module.exports = /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) /******/ return installedModules[moduleId].exports; /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ exports: {}, /******/ id: moduleId, /******/ loaded: false /******/ }; /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); /******/ // Flag the module as loaded /******/ module.loaded = true; /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ // expose the modules object (__webpack_modules__) /******/ __webpack_require__.m = modules; /******/ // expose the module cache /******/ __webpack_require__.c = installedModules; /******/ // __webpack_public_path__ /******/ __webpack_require__.p = ""; /******/ // Load entry module and return exports /******/ return __webpack_require__(0); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ function(module, exports, __webpack_require__) { var EventData = __webpack_require__(1); var results = __webpack_require__(3); const expectedVersion = { any: -2, noStream: -1, emptyStream: -1 }; const positions = { start: new results.Position(0, 0), end: new results.Position(-1, -1) }; /** * @param {string} eventId * @param {object} data * @param {object} [metadata] * @param {string} [type] * @returns {EventData} */ function jsonEventDataFactory(eventId, data, metadata, type) { if (!data || typeof data !== 'object') throw new TypeError("data must be an object."); var d = new Buffer(JSON.stringify(data)); var m = metadata ? new Buffer(JSON.stringify(metadata)) : null; return new EventData(eventId, type || data.constructor.name, true, d, m); } /** * @param {string} eventId * @param {string} type * @param {boolean} isJson * @param {Buffer} data * @param {Buffer} [metadata] * @returns {EventData} */ function eventDataFactory(eventId, type, isJson, data, metadata) { return new EventData(eventId, type, isJson, data, metadata); } // Exporting classes module.exports.EventStoreConnection = __webpack_require__(6); module.exports.UserCredentials = __webpack_require__(65); module.exports.EventData = EventData; module.exports.PersistentSubscriptionSettings = __webpack_require__(66); module.exports.SystemConsumerStrategies = __webpack_require__(52); // Exporting errors module.exports.WrongExpectedVersionError = __webpack_require__(34); module.exports.StreamDeletedError = __webpack_require__(35); module.exports.AccessDeniedError = __webpack_require__(36); // Exporting enums/constants module.exports.expectedVersion = expectedVersion; module.exports.positions = positions; module.exports.systemMetadata = __webpack_require__(67); module.exports.eventReadStatus = results.EventReadStatus; // Helper functions module.exports.createConnection = module.exports.EventStoreConnection.create; module.exports.createEventData = eventDataFactory; module.exports.createJsonEventData = jsonEventDataFactory; /***/ }, /* 1 */ /***/ function(module, exports, __webpack_require__) { var uuid = __webpack_require__(2); function isValidId(id) { if (typeof id !== 'string') return false; var buf = uuid.parse(id); var valid = false; for(var i=0;i other.commitPosition || (this.commitPosition === other.commitPosition && this.preparePosition > other.preparePosition)) return 1; return 0; }; Position.prototype.toString = function() { return util.format("%d/%d", this.commitPosition, this.preparePosition); }; const EventReadStatus = { Success: 'success', NotFound: 'notFound', NoStream: 'noStream', StreamDeleted: 'streamDeleted' }; /** * @param {object} ev * @constructor * @property {string} eventStreamId * @property {string} eventId * @property {number} eventNumber * @property {string} eventType * @property {number} createdEpoch * @property {?Buffer} data * @property {?Buffer} metadata * @property {boolean} isJson */ function RecordedEvent(ev) { Object.defineProperties(this, { eventStreamId: {enumerable: true, value: ev.event_stream_id}, eventId: {enumerable: true, value: uuid.unparse(ev.event_id.buffer, ev.event_id.offset)}, eventNumber: {enumerable: true, value: ev.event_number}, eventType: {enumerable: true, value: ev.event_type}, //Javascript doesn't have .Net precision for time, so we use created_epoch for created created: {enumerable: true, value: new Date(ev.created_epoch || 0)}, createdEpoch: {enumerable: true, value: ev.created_epoch ? toNumber(ev.created_epoch) : 0}, data: {enumerable: true, value: ev.data ? ev.data.toBuffer() : new Buffer(0)}, metadata: {enumerable: true, value: ev.metadata ? ev.metadata.toBuffer() : new Buffer(0)}, isJson: {enumerable: true, value: ev.data_content_type == 1} }); } /** * @param {object} ev * @constructor * @property {?RecordedEvent} event * @property {?RecordedEvent} link * @property {?RecordedEvent} originalEvent * @property {boolean} isResolved * @property {?Position} originalPosition * @property {string} originalStreamId * @property {number} originalEventNumber */ function ResolvedEvent(ev) { Object.defineProperties(this, { event: { enumerable: true, value: ev.event === null ? null : new RecordedEvent(ev.event) }, link: { enumerable: true, value: ev.link === null ? null : new RecordedEvent(ev.link) }, originalEvent: { enumerable: true, get: function() { return this.link || this.event; } }, isResolved: { enumerable: true, get: function() { return this.link !== null && this.event !== null; } }, originalPosition: { enumerable: true, value: (ev.commit_position && ev.prepare_position) ? new Position(ev.commit_position, ev.prepare_position) : null }, originalStreamId: { enumerable: true, get: function() { return this.originalEvent.eventStreamId; } }, originalEventNumber: { enumerable: true, get: function() { return this.originalEvent.eventNumber; } } }); } /** * * @param {string} status * @param {string} stream * @param {number} eventNumber * @param {object} event * @constructor * @property {string} status * @property {string} stream * @property {number} eventNumber * @property {ResolvedEvent} event */ function EventReadResult(status, stream, eventNumber, event) { Object.defineProperties(this, { status: {enumerable: true, value: status}, stream: {enumerable: true, value: stream}, eventNumber: {enumerable: true, value: eventNumber}, event: { enumerable: true, value: status === EventReadStatus.Success ? new ResolvedEvent(event) : null } }); } /** * @param {number} nextExpectedVersion * @param {Position} logPosition * @constructor * @property {number} nextExpectedVersion * @property {Position} logPosition */ function WriteResult(nextExpectedVersion, logPosition) { Object.defineProperties(this, { nextExpectedVersion: { enumerable: true, value: nextExpectedVersion }, logPosition: { enumerable: true, value: logPosition } }); } /** * @param {string} status * @param {string} stream * @param {number} fromEventNumber * @param {string} readDirection * @param {object[]} events * @param {number} nextEventNumber * @param {number} lastEventNumber * @param {boolean} isEndOfStream * @constructor * @property {string} status * @property {string} stream * @property {number} fromEventNumber * @property {string} readDirection * @property {ResolvedEvent[]} events * @property {number} nextEventNumber * @property {number} lastEventNumber * @property {boolean} isEndOfStream */ function StreamEventsSlice( status, stream, fromEventNumber, readDirection, events, nextEventNumber, lastEventNumber, isEndOfStream ) { Object.defineProperties(this, { status: { enumerable: true, value: status }, stream: { enumerable: true, value: stream }, fromEventNumber: { enumerable: true, value: fromEventNumber }, readDirection: { enumerable: true, value: readDirection }, events: { enumerable: true, value: events ? events.map(function(ev) { return new ResolvedEvent(ev); }) : [] }, nextEventNumber: { enumerable: true, value: nextEventNumber }, lastEventNumber: { enumerable: true, value: lastEventNumber }, isEndOfStream: { enumerable: true, value: isEndOfStream } }) } /** * @param {string} readDirection * @param {Position} fromPosition * @param {Position} nextPosition * @param {ResolvedEvent[]} events * @constructor * @property {string} readDirection * @property {Position} fromPosition * @property {Position} nextPosition * @property {ResolvedEvent[]} events */ function AllEventsSlice(readDirection, fromPosition, nextPosition, events) { Object.defineProperties(this, { readDirection: { enumerable: true, value: readDirection }, fromPosition: { enumerable: true, value: fromPosition }, nextPosition: { enumerable: true, value: nextPosition }, events: { enumerable: true, value: events ? events.map(function(ev){ return new ResolvedEvent(ev); }) : [] }, isEndOfStream: { enumerable: true, value: events === null || events.length === 0 } }); } /** * @param {Position} logPosition * @constructor * @property {Position} logPosition */ function DeleteResult(logPosition) { Object.defineProperties(this, { logPosition: { enumerable: true, value: logPosition } }); } /** * @param {string} stream * @param {boolean} isStreamDeleted * @param {number} metastreamVersion * @param {object} streamMetadata * @constructor * @property {string} stream * @property {boolean} isStreamDeleted * @property {number} metastreamVersion * @property {object} streamMetadata */ function RawStreamMetadataResult(stream, isStreamDeleted, metastreamVersion, streamMetadata) { ensure.notNullOrEmpty(stream); Object.defineProperties(this, { stream: {enumerable: true, value: stream}, isStreamDeleted: {enumerable: true, value: isStreamDeleted}, metastreamVersion: {enumerable: true, value: metastreamVersion}, streamMetadata: {enumerable: true, value: streamMetadata} }); } const PersistentSubscriptionCreateStatus = { Success: 'success', NotFound: 'notFound', Failure: 'failure' }; /** * @param {string} status * @constructor * @property {string} status */ function PersistentSubscriptionCreateResult(status) { Object.defineProperties(this, { status: {enumerable: true, value: status} }); } const PersistentSubscriptionUpdateStatus = { Success: 'success', NotFound: 'notFound', Failure: 'failure', AccessDenied: 'accessDenied' }; /** * @param {string} status * @constructor * @property {string} status */ function PersistentSubscriptionUpdateResult(status) { Object.defineProperties(this, { status: {enumerable: true, value: status} }); } const PersistentSubscriptionDeleteStatus = { Success: 'success', Failure: 'failure' }; /** * @param {string} status * @constructor * @property {string} status */ function PersistentSubscriptionDeleteResult(status) { Object.defineProperties(this, { status: {enumerable: true, value: status} }); } // Exports Constructors module.exports.Position = Position; module.exports.toNumber = toNumber; module.exports.ResolvedEvent = ResolvedEvent; module.exports.EventReadStatus = EventReadStatus; module.exports.EventReadResult = EventReadResult; module.exports.WriteResult = WriteResult; module.exports.StreamEventsSlice = StreamEventsSlice; module.exports.AllEventsSlice = AllEventsSlice; module.exports.DeleteResult = DeleteResult; module.exports.RawStreamMetadataResult = RawStreamMetadataResult; module.exports.PersistentSubscriptionCreateResult = PersistentSubscriptionCreateResult; module.exports.PersistentSubscriptionCreateStatus = PersistentSubscriptionCreateStatus; module.exports.PersistentSubscriptionUpdateResult = PersistentSubscriptionUpdateResult; module.exports.PersistentSubscriptionUpdateStatus = PersistentSubscriptionUpdateStatus; module.exports.PersistentSubscriptionDeleteResult = PersistentSubscriptionDeleteResult; module.exports.PersistentSubscriptionDeleteStatus = PersistentSubscriptionDeleteStatus; /***/ }, /* 4 */ /***/ function(module, exports) { module.exports = require("util"); /***/ }, /* 5 */ /***/ function(module, exports) { module.exports.notNullOrEmpty = function(value, name) { if (value === null) throw new Error(name + " is null."); if (value === '') throw new Error(name + " is empty."); }; module.exports.notNull = function(value, name) { if (value === null) throw new Error(name + " is null."); }; module.exports.isInteger = function(value, name) { if (typeof value !== 'number' || value % 1 !== 0) throw new TypeError(name + " is not an integer."); }; module.exports.isArrayOf = function(expectedType, value, name) { if (!Array.isArray(value)) throw new TypeError(name + " is not an array."); if (!value.every(function(x) { return x instanceof expectedType; })) throw new TypeError([name, " is not an array of ", expectedType, "."].join("")); }; /***/ }, /* 6 */ /***/ function(module, exports, __webpack_require__) { var EventStoreNodeConnection = __webpack_require__(7); var StaticEndpointDiscoverer = __webpack_require__(63); var NoopLogger = __webpack_require__(64); var defaultConnectionSettings = { log: new NoopLogger(), verboseLogging: false, maxQueueSize: 5000, maxConcurrentItems: 5000, maxRetries: 10, maxReconnections: 10, requireMaster: true, reconnectionDelay: 100, operationTimeout: 7*1000, operationTimeoutCheckPeriod: 1000, defaultUserCredentials: null, useSslConnection: false, targetHost: null, validateServer: false, failOnNoServerResponse: false, heartbeatInterval: 750, heartbeatTimeout: 1500, clientConnectionTimeout: 1000 }; function merge(a,b) { var c = {}; Object.getOwnPropertyNames(a).forEach(function(k) { c[k] = a[k]; }); Object.getOwnPropertyNames(b).forEach(function(k) { c[k] = b[k]; }); return c; } /** * Create an EventStore connection * @param {object} settings * @param {object} tcpEndPoint * @param {string} [connectionName] * @returns {EventStoreNodeConnection} */ module.exports.create = function(settings, tcpEndPoint, connectionName) { //TODO: cluster connection var mergedSettings = merge(defaultConnectionSettings, settings || {}); var endpointDiscoverer = new StaticEndpointDiscoverer(tcpEndPoint, settings.useSslConnection); return new EventStoreNodeConnection(mergedSettings, endpointDiscoverer, connectionName || null); }; /***/ }, /* 7 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var EventEmitter = __webpack_require__(8).EventEmitter; var ensure = __webpack_require__(5); var messages = __webpack_require__(9); var EventStoreConnectionLogicHandler = __webpack_require__(10); var DeleteStreamOperation = __webpack_require__(33); var AppendToStreamOperation = __webpack_require__(38); var StartTransactionOperation = __webpack_require__(39); var TransactionalWriteOperation = __webpack_require__(41); var CommitTransactionOperation = __webpack_require__(42); var ReadEventOperation = __webpack_require__(43); var ReadStreamEventsForwardOperation = __webpack_require__(44); var ReadStreamEventsBackwardOperation = __webpack_require__(48); var ReadAllEventsForwardOperation = __webpack_require__(49); var ReadAllEventsBackwardOperation = __webpack_require__(50); var CreatePersistentSubscriptionOperation = __webpack_require__(51); var UpdatePersistentSubscriptionOperation = __webpack_require__(53); var DeletePersistentSubscriptionOperation = __webpack_require__(54); var EventStoreTransaction = __webpack_require__(40); var EventStoreStreamCatchUpSubscription = __webpack_require__(55); var EventStoreAllCatchUpSubscription = __webpack_require__(57); var EventStorePersistentSubscription = __webpack_require__(58); var results = __webpack_require__(3); var systemStreams = __webpack_require__(61); var systemEventTypes = __webpack_require__(62); var EventData = __webpack_require__(1); /** * @param settings * @param endpointDiscoverer * @param connectionName * @constructor * @property {string} connectionName */ function EventStoreNodeConnection(settings, endpointDiscoverer, connectionName) { this._connectionName = connectionName || ['ES-', uuid.v4()].join(''); this._settings = settings; this._endpointDiscoverer = endpointDiscoverer; this._handler = new EventStoreConnectionLogicHandler(this, settings); var self = this; this._handler.on('connected', function(e) { self.emit('connected', e); }); this._handler.on('disconnected', function(e) { self.emit('disconnected', e); }); this._handler.on('reconnecting', function(e) { self.emit('reconnecting', e); }); this._handler.on('closed', function(e) { self.emit('closed', e); }); this._handler.on('error', function(e) { self.emit('error', e); }); } util.inherits(EventStoreNodeConnection, EventEmitter); Object.defineProperty(EventStoreNodeConnection.prototype, 'connectionName', { get: function() { return this._connectionName; } }); /** * @returns {Promise} */ EventStoreNodeConnection.prototype.connect = function() { var self = this; return new Promise(function(resolve, reject) { function cb(err) { if (err) return reject(err); resolve(); } var startConnectionMessage = new messages.StartConnectionMessage(cb, self._endpointDiscoverer); self._handler.enqueueMessage(startConnectionMessage); }); }; EventStoreNodeConnection.prototype.close = function() { this._handler.enqueueMessage(new messages.CloseConnectionMessage("Connection close requested by client.", null)); }; /** * Delete a stream (async) * @param {string} stream * @param {number} expectedVersion * @param {boolean} [hardDelete] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.deleteStream = function(stream, expectedVersion, hardDelete, userCredentials) { ensure.notNullOrEmpty(stream, "stream"); ensure.isInteger(expectedVersion, "expectedVersion"); hardDelete = !!hardDelete; userCredentials = userCredentials || null; var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var deleteStreamOperation = new DeleteStreamOperation( self._settings.log, cb, self._settings.requireMaster, stream, expectedVersion, hardDelete, userCredentials); self._enqueueOperation(deleteStreamOperation); }); }; /** * Append events to a stream (async) * @param {string} stream The name of the stream to which to append. * @param {number} expectedVersion The version at which we currently expect the stream to be in order that an optimistic concurrency check can be performed. * @param {EventData[]|EventData} events The event(s) to append. * @param {UserCredentials} [userCredentials] User credentials * @returns {Promise.} */ EventStoreNodeConnection.prototype.appendToStream = function(stream, expectedVersion, events, userCredentials) { ensure.notNullOrEmpty(stream, "stream"); ensure.isInteger(expectedVersion, "expectedVersion"); if (!Array.isArray(events)) events = [events]; ensure.isArrayOf(EventData, events, "events"); userCredentials = userCredentials || null; var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new AppendToStreamOperation(self._settings.log, cb, self._settings.requireMaster, stream, expectedVersion, events, userCredentials); self._enqueueOperation(operation); }); }; /** * Start a transaction (async) * @param {string} stream * @param {number} expectedVersion * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.startTransaction = function(stream, expectedVersion, userCredentials) { //TODO validations var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new StartTransactionOperation(self._settings.log, cb, self._settings.requireMaster, stream, expectedVersion, self, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Continue a transaction * @param {number} transactionId * @param {UserCredentials} userCredentials * @returns {EventStoreTransaction} */ EventStoreNodeConnection.prototype.continueTransaction = function(transactionId, userCredentials) { //TODO validations return new EventStoreTransaction(transactionId, userCredentials, this); }; EventStoreNodeConnection.prototype.transactionalWrite = function(transaction, events, userCredentials) { var self = this; return new Promise(function(resolve, reject) { function cb(err) { if (err) return reject(err); resolve(); } var operation = new TransactionalWriteOperation(self._settings.log, cb, self._settings.requireMaster, transaction.transactionId, events, userCredentials); self._enqueueOperation(operation); }); }; EventStoreNodeConnection.prototype.commitTransaction = function(transaction, userCredentials) { var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new CommitTransactionOperation(self._settings.log, cb, self._settings.requireMaster, transaction.transactionId, userCredentials); self._enqueueOperation(operation); }); }; /** * Read a single event (async) * @param {string} stream * @param {number} eventNumber * @param {boolean} [resolveLinkTos] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.readEvent = function(stream, eventNumber, resolveLinkTos, userCredentials) { if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be an non-empty string."); if (typeof eventNumber !== 'number' || eventNumber % 1 !== 0) throw new TypeError("eventNumber must be an integer."); if (eventNumber < -1) throw new Error("eventNumber out of range."); if (resolveLinkTos && typeof resolveLinkTos !== 'boolean') throw new TypeError("resolveLinkTos must be a boolean."); var self = this; return new Promise(function(resolve, reject){ function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new ReadEventOperation(self._settings.log, cb, stream, eventNumber, resolveLinkTos || false, self._settings.requireMaster, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Reading a specific stream forwards (async) * @param {string} stream * @param {number} start * @param {number} count * @param {boolean} [resolveLinkTos] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.readStreamEventsForward = function( stream, start, count, resolveLinkTos, userCredentials ) { if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be an non-empty string."); if (typeof start !== 'number' || start % 1 !== 0) throw new TypeError("start must be an integer."); if (typeof count !== 'number' || count % 1 !== 0) throw new TypeError("count must be an integer."); if (resolveLinkTos && typeof resolveLinkTos !== 'boolean') throw new TypeError("resolveLinkTos must be a boolean."); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new ReadStreamEventsForwardOperation(self._settings.log, cb, stream, start, count, resolveLinkTos || false, self._settings.requireMaster, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Reading a specific stream backwards (async) * @param {string} stream * @param {number} start * @param {number} count * @param {boolean} [resolveLinkTos] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.readStreamEventsBackward = function( stream, start, count, resolveLinkTos, userCredentials ) { if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be an non-empty string."); if (typeof start !== 'number' || start % 1 !== 0) throw new TypeError("start must be an integer."); if (typeof count !== 'number' || count % 1 !== 0) throw new TypeError("count must be an integer."); if (resolveLinkTos && typeof resolveLinkTos !== 'boolean') throw new TypeError("resolveLinkTos must be a boolean."); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new ReadStreamEventsBackwardOperation(self._settings.log, cb, stream, start, count, resolveLinkTos || false, self._settings.requireMaster, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Reading all events forwards (async) * @param {Position} position * @param {number} maxCount * @param {boolean} [resolveLinkTos] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.readAllEventsForward = function( position, maxCount, resolveLinkTos, userCredentials ) { //TODO validations var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new ReadAllEventsForwardOperation(self._settings.log, cb, position, maxCount, resolveLinkTos || false, self._settings.requireMaster, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Reading all events backwards (async) * @param {Position} position * @param {number} maxCount * @param {boolean} [resolveLinkTos] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.readAllEventsBackward = function( position, maxCount, resolveLinkTos, userCredentials ) { //TODO validations var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var operation = new ReadAllEventsBackwardOperation(self._settings.log, cb, position, maxCount, resolveLinkTos || false, self._settings.requireMaster, userCredentials || null); self._enqueueOperation(operation); }); }; /** * Subscribe to a stream (async) * @param {!string} stream * @param {!boolean} resolveLinkTos * @param {function} eventAppeared * @param {function} [subscriptionDropped] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.subscribeToStream = function( stream, resolveLinkTos, eventAppeared, subscriptionDropped, userCredentials ) { if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be a non-empty string."); if (typeof eventAppeared !== 'function') throw new TypeError("eventAppeared must be a function."); var self = this; return new Promise(function(resolve,reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } self._handler.enqueueMessage( new messages.StartSubscriptionMessage( cb, stream, !!resolveLinkTos, userCredentials || null, eventAppeared, subscriptionDropped || null, self._settings.maxRetries, self._settings.operationTimeout)); }); }; /** * @param {!string} stream * @param {?number} lastCheckpoint * @param {!boolean} resolveLinkTos * @param {!function} eventAppeared * @param {function} [liveProcessingStarted] * @param {function} [subscriptionDropped] * @param {UserCredentials} [userCredentials] * @param {!number} [readBatchSize] * @returns {EventStoreStreamCatchUpSubscription} */ EventStoreNodeConnection.prototype.subscribeToStreamFrom = function( stream, lastCheckpoint, resolveLinkTos, eventAppeared, liveProcessingStarted, subscriptionDropped, userCredentials, readBatchSize ) { if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be a non-empty string."); if (typeof eventAppeared !== 'function') throw new TypeError("eventAppeared must be a function."); var catchUpSubscription = new EventStoreStreamCatchUpSubscription(this, this._settings.log, stream, lastCheckpoint, resolveLinkTos, userCredentials || null, eventAppeared, liveProcessingStarted || null, subscriptionDropped || null, this._settings.verboseLogging, readBatchSize); catchUpSubscription.start(); return catchUpSubscription; }; /** * Subscribe to all (async) * @param {!boolean} resolveLinkTos * @param {!function} eventAppeared * @param {function} [subscriptionDropped] * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.subscribeToAll = function( resolveLinkTos, eventAppeared, subscriptionDropped, userCredentials ) { if (typeof eventAppeared !== 'function') throw new TypeError("eventAppeared must be a function."); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } self._handler.enqueueMessage( new messages.StartSubscriptionMessage( cb, '', resolveLinkTos, userCredentials || null, eventAppeared, subscriptionDropped || null, self._settings.maxRetries, self._settings.operationTimeout)); }); }; /** * Subscribe to all from * @param {?Position} lastCheckpoint * @param {!boolean} resolveLinkTos * @param {!function} eventAppeared * @param {function} [liveProcessingStarted] * @param {function} [subscriptionDropped] * @param {UserCredentials} [userCredentials] * @param {!number} [readBatchSize] * @returns {EventStoreAllCatchUpSubscription} */ EventStoreNodeConnection.prototype.subscribeToAllFrom = function( lastCheckpoint, resolveLinkTos, eventAppeared, liveProcessingStarted, subscriptionDropped, userCredentials, readBatchSize ) { if (typeof eventAppeared !== 'function') throw new TypeError("eventAppeared must be a function."); var catchUpSubscription = new EventStoreAllCatchUpSubscription(this, this._settings.log, lastCheckpoint, resolveLinkTos, userCredentials || null, eventAppeared, liveProcessingStarted || null, subscriptionDropped || null, this._settings.verboseLogging, readBatchSize || 500); catchUpSubscription.start(); return catchUpSubscription; }; /** * Subscribe to a persistent subscription * @param {string} stream * @param {string} groupName * @param {function} eventAppeared * @param {function} [subscriptionDropped] * @param {UserCredentials} [userCredentials] * @param {number} [bufferSize] * @param {boolean} [autoAck] */ EventStoreNodeConnection.prototype.connectToPersistentSubscription = function( stream, groupName, eventAppeared, subscriptionDropped, userCredentials, bufferSize, autoAck ) { ensure.notNullOrEmpty(groupName, "groupName"); ensure.notNullOrEmpty(stream, "stream"); ensure.notNull(eventAppeared, "eventAppeared"); subscriptionDropped = subscriptionDropped || null; userCredentials = userCredentials || null; bufferSize = bufferSize === undefined ? 10 : bufferSize; autoAck = autoAck === undefined ? true : !!autoAck; var subscription = new EventStorePersistentSubscription( groupName, stream, eventAppeared, subscriptionDropped, userCredentials, this._settings.log, this._settings.verboseLogging, this._settings, this._handler, bufferSize, autoAck); subscription.start(); return subscription; }; /** * @param {string} stream * @param {string} groupName * @param {PersistentSubscriptionSettings} settings * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.createPersistentSubscription = function(stream, groupName, settings, userCredentials) { ensure.notNullOrEmpty(stream, "stream"); ensure.notNullOrEmpty(groupName, "groupName"); ensure.notNull(settings, "settings"); var self = this; return new Promise(function(resolve, reject){ function cb(err, result) { if (err) return reject(err); resolve(result); } self._enqueueOperation( new CreatePersistentSubscriptionOperation(self._settings.log, cb, stream, groupName, settings, userCredentials || null)); }); }; /** * @param {string} stream * @param {string} groupName * @param {string} settings * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.updatePersistentSubscription = function(stream, groupName, settings, userCredentials) { ensure.notNullOrEmpty(stream, "stream"); ensure.notNullOrEmpty(groupName, "groupName"); ensure.notNull(settings, "settings"); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } self._enqueueOperation( new UpdatePersistentSubscriptionOperation(self._settings.log, cb, stream, groupName, settings, userCredentials || null)); }); }; /** * @param {string} stream * @param {string} groupName * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.deletePersistentSubscription = function(stream, groupName, userCredentials) { ensure.notNullOrEmpty(stream, "stream"); ensure.notNullOrEmpty(groupName, "groupName"); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } self._enqueueOperation( new DeletePersistentSubscriptionOperation(self._settings.log, cb, stream, groupName, userCredentials || null)); }); }; EventStoreNodeConnection.prototype.setStreamMetadata = function() { //TODO: set stream metadata (non-raw) throw new Error("Not implemented."); }; /** * Set stream metadata with raw object (async) * @param {string} stream * @param {number} expectedMetastreamVersion * @param {object} metadata * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.setStreamMetadataRaw = function( stream, expectedMetastreamVersion, metadata, userCredentials ) { ensure.notNullOrEmpty(stream, "stream"); if (systemStreams.isMetastream(stream)) throw new Error(util.format("Setting metadata for metastream '%s' is not supported.", stream)); var self = this; return new Promise(function(resolve, reject) { function cb(err, result) { if (err) return reject(err); resolve(result); } var data = metadata ? new Buffer(JSON.stringify(metadata)) : null; var metaevent = new EventData(uuid.v4(), systemEventTypes.StreamMetadata, true, data, null); self._enqueueOperation( new AppendToStreamOperation(self._settings.log, cb, self._settings.requireMaster, systemStreams.metastreamOf(stream), expectedMetastreamVersion, [metaevent], userCredentials)); }); }; EventStoreNodeConnection.prototype.getStreamMetadata = function(stream, userCredentials) { //TODO: get stream metadata (non-raw) throw new Error("Not implemented."); }; /** * Get stream metadata as raw object (async) * @param {string} stream * @param {UserCredentials} [userCredentials] * @returns {Promise.} */ EventStoreNodeConnection.prototype.getStreamMetadataRaw = function(stream, userCredentials) { return this.readEvent(systemStreams.metastreamOf(stream), -1, false, userCredentials) .then(function(res) { switch(res.status) { case results.EventReadStatus.Success: if (res.event === null) throw new Error("Event is null while operation result is Success."); var evnt = res.event.originalEvent; var version = evnt ? evnt.eventNumber : -1; var data = evnt ? JSON.parse(evnt.data.toString()) : null; return new results.RawStreamMetadataResult(stream, false, version, data); case results.EventReadStatus.NotFound: case results.EventReadStatus.NoStream: return new results.RawStreamMetadataResult(stream, false, -1, null); case results.EventReadStatus.StreamDeleted: return new results.RawStreamMetadataResult(stream, true, 0x7fffffff, null); default: throw new Error(util.format("Unexpected ReadEventResult: %s.", res.status)); } }); }; EventStoreNodeConnection.prototype.setSystemSettings = function() { //TODO: set system settings throw new Error("Not implemented."); }; EventStoreNodeConnection.prototype._enqueueOperation = function(operation) { var self = this; var message = new messages.StartOperationMessage(operation, self._settings.maxRetries, self._settings.operationTimeout); function tryEnqueue() { if (self._handler.totalOperationCount >= self._settings.maxQueueSize) { setImmediate(tryEnqueue); return; } self._handler.enqueueMessage(message); } setImmediate(tryEnqueue) }; module.exports = EventStoreNodeConnection; /***/ }, /* 8 */ /***/ function(module, exports) { module.exports = require("events"); /***/ }, /* 9 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var ensure = __webpack_require__(5); function Message() { } Message.prototype.toString = function() { return this.constructor.name; }; function StartConnectionMessage(cb, endpointDiscoverer) { this.cb = cb; this.endpointDiscoverer = endpointDiscoverer; } util.inherits(StartConnectionMessage, Message); function CloseConnectionMessage(reason, error) { this.reason = reason; this.error = error; } util.inherits(CloseConnectionMessage, Message); function StartOperationMessage(operation, maxRetries, timeout) { this.operation = operation; this.maxRetries = maxRetries; this.timeout = timeout; } util.inherits(StartOperationMessage, Message); function StartSubscriptionMessage( cb, streamId, resolveLinkTos, userCredentials, eventAppeared, subscriptionDropped, maxRetries, timeout ) { this.cb = cb; this.streamId = streamId; this.resolveLinkTos = resolveLinkTos; this.userCredentials = userCredentials; this.eventAppeared = eventAppeared; this.subscriptionDropped = subscriptionDropped; this.maxRetries = maxRetries; this.timeout = timeout; } util.inherits(StartSubscriptionMessage, Message); /** * @constructor * @property {object} endPoints * @property {object} endPoints.secureTcpEndPoint * @property {object} endPoints.tcpEndPoint */ function EstablishTcpConnectionMessage(endPoints) { this.endPoints = endPoints; } util.inherits(EstablishTcpConnectionMessage, Message); function HandleTcpPackageMessage(connection, pkg) { this.connection = connection; this.package = pkg; } util.inherits(HandleTcpPackageMessage, Message); function TcpConnectionErrorMessage(connection, error) { this.connection = connection; this.error = error; } util.inherits(TcpConnectionErrorMessage, Message); function TcpConnectionEstablishedMessage(connection) { this.connection = connection; } util.inherits(TcpConnectionEstablishedMessage, Message); function TcpConnectionClosedMessage(connection, error) { this.connection = connection; this.error = error; } util.inherits(TcpConnectionClosedMessage, Message); function TimerTickMessage() {} util.inherits(TimerTickMessage, Message); function StartPersistentSubscriptionMessage( cb, subscriptionId, streamId, bufferSize, userCredentials, eventAppeared, subscriptionDropped, maxRetries, operationTimeout ) { this.cb = cb; this.subscriptionId = subscriptionId; this.streamId = streamId; this.bufferSize = bufferSize; this.userCredentials = userCredentials; this.eventAppeared = eventAppeared; this.subscriptionDropped = subscriptionDropped; this.maxRetries = maxRetries; this.timeout = operationTimeout; } util.inherits(StartPersistentSubscriptionMessage, Message); module.exports = { StartConnectionMessage: StartConnectionMessage, CloseConnectionMessage: CloseConnectionMessage, StartOperationMessage: StartOperationMessage, StartSubscriptionMessage: StartSubscriptionMessage, EstablishTcpConnectionMessage: EstablishTcpConnectionMessage, HandleTcpPackageMessage: HandleTcpPackageMessage, TcpConnectionErrorMessage: TcpConnectionErrorMessage, TcpConnectionEstablishedMessage: TcpConnectionEstablishedMessage, TcpConnectionClosedMessage: TcpConnectionClosedMessage, TimerTickMessage: TimerTickMessage, StartPersistentSubscriptionMessage: StartPersistentSubscriptionMessage }; /***/ }, /* 10 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var EventEmitter = __webpack_require__(8).EventEmitter; var SimpleQueuedHandler = __webpack_require__(11); var TcpPackageConnection = __webpack_require__(12); var OperationsManager = __webpack_require__(20); var SubscriptionsManager = __webpack_require__(22); var VolatileSubscriptionOperation = __webpack_require__(24); var ConnectToPersistentSubscriptionOperation = __webpack_require__(31); var messages = __webpack_require__(9); var TcpPackage = __webpack_require__(17); var TcpCommand = __webpack_require__(19); var TcpFlags = __webpack_require__(18); var InspectionDecision = __webpack_require__(26); const ConnectionState = { Init: 'init', Connecting: 'connecting', Connected: 'connected', Closed: 'closed' }; const ConnectingPhase = { Invalid: 'invalid', Reconnecting: 'reconnecting', EndPointDiscovery: 'endpointDiscovery', ConnectionEstablishing: 'connectionEstablishing', Authentication: 'authentication', Connected: 'connected' }; const TimerPeriod = 200; const TimerTickMessage = new messages.TimerTickMessage(); const EmptyGuid = '00000000-0000-0000-0000-000000000000'; /** * @param {EventStoreNodeConnection} esConnection * @param {Object} settings * @constructor * @property {Number} totalOperationCount */ function EventStoreConnectionLogicHandler(esConnection, settings) { this._esConnection = esConnection; this._settings = settings; this._queue = new SimpleQueuedHandler(); this._state = ConnectionState.Init; this._connectingPhase = ConnectingPhase.Invalid; this._endpointDiscoverer = null; this._connection = null; this._wasConnected = false; this._packageNumber = 0; this._authInfo = null; this._lastTimeoutsTimeStamp = 0; this._operations = new OperationsManager(esConnection.connectionName, settings); this._subscriptions = new SubscriptionsManager(esConnection.connectionName, settings); var self = this; this._queue.registerHandler(messages.StartConnectionMessage, function(msg) { self._startConnection(msg.cb, msg.endpointDiscoverer); }); this._queue.registerHandler(messages.CloseConnectionMessage, function(msg) { self._closeConnection(msg.reason, msg.error); }); this._queue.registerHandler(messages.StartOperationMessage, function(msg) { self._startOperation(msg.operation, msg.maxRetries, msg.timeout); }); this._queue.registerHandler(messages.StartSubscriptionMessage, function(msg) { self._startSubscription(msg); }); this._queue.registerHandler(messages.StartPersistentSubscriptionMessage, function(msg) { self._startPersistentSubscription(msg); }); this._queue.registerHandler(messages.EstablishTcpConnectionMessage, function(msg) { self._establishTcpConnection(msg.endPoints); }); this._queue.registerHandler(messages.TcpConnectionEstablishedMessage, function(msg) { self._tcpConnectionEstablished(msg.connection); }); this._queue.registerHandler(messages.TcpConnectionErrorMessage, function(msg) { self._tcpConnectionError(msg.connection, msg.error); }); this._queue.registerHandler(messages.TcpConnectionClosedMessage, function(msg) { self._tcpConnectionClosed(msg.connection, msg.error); }); this._queue.registerHandler(messages.HandleTcpPackageMessage, function(msg) { self._handleTcpPackage(msg.connection, msg.package); }); this._queue.registerHandler(messages.TimerTickMessage, function(msg) { self._timerTick(); }); this._timer = setInterval(function() { self.enqueueMessage(TimerTickMessage); }, TimerPeriod); } util.inherits(EventStoreConnectionLogicHandler, EventEmitter); Object.defineProperty(EventStoreConnectionLogicHandler.prototype, 'totalOperationCount', { get: function() { return this._operations.totalOperationCount; } }); EventStoreConnectionLogicHandler.prototype.enqueueMessage = function(msg) { if (this._settings.verboseLogging && msg !== TimerTickMessage) this._logDebug("enqueuing message %s.", msg); this._queue.enqueueMessage(msg); }; EventStoreConnectionLogicHandler.prototype._discoverEndpoint = function(cb) { this._logDebug('DiscoverEndpoint'); if (this._state !== ConnectionState.Connecting) return; if (this._connectingPhase !== ConnectingPhase.Reconnecting) return; this._connectingPhase = ConnectingPhase.EndPointDiscovery; cb = cb || function() {}; var self = this; this._endpointDiscoverer.discover(this._connection !== null ? this._connection.remoteEndPoint : null) .then(function(nodeEndpoints){ self.enqueueMessage(new messages.EstablishTcpConnectionMessage(nodeEndpoints)); cb(); }) .catch(function(err) { self.enqueueMessage(new messages.CloseConnectionMessage("Failed to resolve TCP end point to which to connect.", err)); cb(new Error("Couldn't resolve target end point: " + err.message)); }); }; /** * @param {Function} cb * @param {StaticEndpointDiscoverer} endpointDiscoverer * @private */ EventStoreConnectionLogicHandler.prototype._startConnection = function(cb, endpointDiscoverer) { this._logDebug('StartConnection'); switch(this._state) { case ConnectionState.Init: this._endpointDiscoverer = endpointDiscoverer; this._state = ConnectionState.Connecting; this._connectingPhase = ConnectingPhase.Reconnecting; this._discoverEndpoint(cb); break; case ConnectionState.Connecting: case ConnectionState.Connected: return cb(new Error(['EventStoreConnection', this._esConnection.connectionName, 'is already active.'].join(' '))); case ConnectionState.Closed: return cb(new Error(['EventStoreConnection', this._esConnection.connectionName, 'is closed.'].join(' '))); default: return cb(new Error(['Unknown state:', this._state].join(' '))); } }; /** * @param {string} reason * @param {Error} [error] * @private */ EventStoreConnectionLogicHandler.prototype._closeConnection = function(reason, error) { if (this._state == ConnectionState.Closed) { this._logDebug("CloseConnection IGNORED because is ESConnection is CLOSED, reason %s, error %s.", reason, error ? error.stack : ''); return; } this._logDebug("CloseConnection, reason %s, error %s.", reason, error ? error.stack : ''); this._state = ConnectionState.Closed; clearInterval(this._timer); this._operations.cleanUp(); this._subscriptions.cleanUp(); this._closeTcpConnection(reason); this._logInfo("Closed. Reason: %s", reason); if (error) this.emit('error', error); this.emit('closed', reason); }; EventStoreConnectionLogicHandler.prototype._closeTcpConnection = function(reason) { if (!this._connection) { this._logDebug("CloseTcpConnection IGNORED because _connection == null"); return; } this._logDebug("CloseTcpConnection"); this._connection.close(reason); this._tcpConnectionClosed(this._connection); this._connection = null; }; var _nextSeqNo = -1; function createOperationItem(operation, maxRetries, timeout) { var operationItem = { seqNo: _nextSeqNo++, operation: operation, maxRetries: maxRetries, timeout: timeout, createdTime: Date.now(), correlationId: uuid.v4(), retryCount: 0, lastUpdated: Date.now() }; operationItem.toString = (function() { return util.format("Operation %s (%s): %s, retry count: %d, created: %s, last updated: %s", this.operation.constructor.name, this.correlationId, this.operation, this.retryCount, new Date(this.createdTime).toISOString().substr(11,12), new Date(this.lastUpdated).toISOString().substr(11,12)); }).bind(operationItem); return operationItem; } EventStoreConnectionLogicHandler.prototype._startOperation = function(operation, maxRetries, timeout) { switch(this._state) { case ConnectionState.Init: operation.fail(new Error("EventStoreConnection '" + this._esConnection.connectionName + "' is not active.")); break; case ConnectionState.Connecting: this._logDebug("StartOperation enqueue %s, %s, %d, %d.", operation.constructor.name, operation, maxRetries, timeout); this._operations.enqueueOperation(createOperationItem(operation, maxRetries, timeout)); break; case ConnectionState.Connected: this._logDebug("StartOperation schedule %s, %s, %d, %d.", operation.constructor.name, operation, maxRetries, timeout); this._operations.scheduleOperation(createOperationItem(operation, maxRetries, timeout), this._connection); break; case ConnectionState.Closed: operation.fail(new Error("EventStoreConnection '" + this._esConnection.connectionName + "' is closed.")); break; default: throw new Error("Unknown state: " + this._state + '.'); } }; function createSubscriptionItem(operation, maxRetries, timeout) { var subscriptionItem = { operation: operation, maxRetries: maxRetries, timeout: timeout, createdTime: Date.now(), correlationId: uuid.v4(), retryCount: 0, lastUpdated: Date.now(), isSubscribed: false }; subscriptionItem.toString = (function(){ return util.format("Subscription %s (%s): %s, is subscribed: %s, retry count: %d, created: %s, last updated: %s", this.operation.constructor.name, this.correlationId, this.operation, this.isSubscribed, this.retryCount, new Date(this.createdTime).toISOString().substr(11,12), new Date(this.lastUpdated).toISOString().substr(11,12)); }).bind(subscriptionItem); return subscriptionItem; } EventStoreConnectionLogicHandler.prototype._startSubscription = function(msg) { switch (this._state) { case ConnectionState.Init: msg.cb(new Error(util.format("EventStoreConnection '%s' is not active.", this._esConnection.connectionName))); break; case ConnectionState.Connecting: case ConnectionState.Connected: var self = this; var operation = new VolatileSubscriptionOperation(this._settings.log, msg.cb, msg.streamId, msg.resolveLinkTos, msg.userCredentials, msg.eventAppeared, msg.subscriptionDropped, this._settings.verboseLogging, function() { return self._connection }); this._logDebug("StartSubscription %s %s, %s, %d, %d.", this._state === ConnectionState.Connected ? "fire" : "enqueue", operation.constructor.name, operation, msg.maxRetries, msg.timeout); var subscription = createSubscriptionItem(operation, msg.maxRetries, msg.timeout); if (this._state === ConnectionState.Connecting) this._subscriptions.enqueueSubscription(subscription); else this._subscriptions.startSubscription(subscription, this._connection); break; case ConnectionState.Closed: msg.cb(new Error("Connection closed. Connection: " + this._esConnection.connectionName)); break; default: throw new Error(util.format("Unknown state: %s.", this._state)); } }; EventStoreConnectionLogicHandler.prototype._startPersistentSubscription = function(msg) { var self = this; switch (this._state) { case ConnectionState.Init: msg.cb(new Error(util.format("EventStoreConnection '%s' is not active.", this._esConnection.connectionName))); break; case ConnectionState.Connecting: case ConnectionState.Connected: var operation = new ConnectToPersistentSubscriptionOperation(this._settings.log, msg.cb, msg.subscriptionId, msg.bufferSize, msg.streamId, msg.userCredentials, msg.eventAppeared, msg.subscriptionDropped, this._settings.verboseLogging, function() { return self._connection }); this._logDebug("StartSubscription %s %s, %s, %d, %d.", this._state === ConnectionState.Connected ? "fire" : "enqueue", operation.constructor.name, operation, msg.maxRetries, msg.timeout); var subscription = createSubscriptionItem(operation, msg.maxRetries, msg.timeout); if (this._state === ConnectionState.Connecting) this._subscriptions.enqueueSubscription(subscription); else this._subscriptions.startSubscription(subscription, this._connection); break; case ConnectionState.Closed: msg.cb(new Error("Connection closed. " + this._esConnection.connectionName)); break; default: throw new Error(util.format("Unknown state: %s.", this._state)); } }; EventStoreConnectionLogicHandler.prototype._establishTcpConnection = function(endPoints) { var endPoint = this._settings.useSslConnection ? endPoints.secureTcpEndPoint : endPoints.tcpEndPoint; if (endPoint == null) { this._closeConnection("No end point to node specified."); return; } this._logDebug("EstablishTcpConnection to [%j]", endPoint); if (this._state != ConnectionState.Connecting) return; if (this._connectingPhase != ConnectingPhase.EndPointDiscovery) return; var self = this; this._connectingPhase = ConnectingPhase.ConnectionEstablishing; this._connection = new TcpPackageConnection( this._settings.log, endPoint, uuid.v4(), this._settings.useSslConnection, this._settings.targetHost, this._settings.validateServer, this._settings.clientConnectionTimeout, function(connection, pkg) { self.enqueueMessage(new messages.HandleTcpPackageMessage(connection, pkg)); }, function(connection, error) { self.enqueueMessage(new messages.TcpConnectionErrorMessage(connection, error)); }, function(connection) { connection.startReceiving(); self.enqueueMessage(new messages.TcpConnectionEstablishedMessage(connection)); }, function(connection, error) { self.enqueueMessage(new messages.TcpConnectionClosedMessage(connection, error)); } ); }; EventStoreConnectionLogicHandler.prototype._tcpConnectionEstablished = function(connection) { if (this._state != ConnectionState.Connecting || !this._connection.equals(connection) || connection.isClosed) { this._logDebug("IGNORED (_state %s, _conn.Id %s, conn.Id %s, conn.closed %s): TCP connection to [%j, L%j] established.", this._state, this._connection == null ? EmptyGuid : this._connection.connectionId, connection.connectionId, connection.isClosed, connection.remoteEndPoint, connection.localEndPoint); return; } this._logDebug("TCP connection to [%j, L%j, %s] established.", connection.remoteEndPoint, connection.localEndPoint, connection.connectionId); this._heartbeatInfo = { lastPackageNumber: this._packageNumber, isIntervalStage: true, timeStamp: Date.now() }; if (this._settings.defaultUserCredentials != null) { this._connectingPhase = ConnectingPhase.Authentication; this._authInfo = { correlationId: uuid.v4(), timeStamp: Date.now() }; this._connection.enqueueSend(new TcpPackage( TcpCommand.Authenticate, TcpFlags.Authenticated, this._authInfo.correlationId, this._settings.defaultUserCredentials.username, this._settings.defaultUserCredentials.password)); } else { this._goToConnectedState(); } }; EventStoreConnectionLogicHandler.prototype._goToConnectedState = function() { this._state = ConnectionState.Connected; this._connectingPhase = ConnectingPhase.Connected; this._wasConnected = true; this.emit('connected', this._connection.remoteEndPoint); if (Date.now() - this._lastTimeoutsTimeStamp >= this._settings.operationTimeoutCheckPeriod) { this._operations.checkTimeoutsAndRetry(this._connection); this._subscriptions.checkTimeoutsAndRetry(this._connection); this._lastTimeoutsTimeStamp = Date.now(); } }; EventStoreConnectionLogicHandler.prototype._tcpConnectionError = function(connection, error) { if (this._connection != connection) return; if (this._state == ConnectionState.Closed) return; this._logDebug("TcpConnectionError connId %s, exc %s.", connection.connectionId, error); this._closeConnection("TCP connection error occurred.", error); }; EventStoreConnectionLogicHandler.prototype._tcpConnectionClosed = function(connection, error) { if (this._state == ConnectionState.Init) throw new Error(); if (this._state == ConnectionState.Closed || !this._connection.equals(connection)) { this._logDebug("IGNORED (_state: %s, _conn.ID: %s, conn.ID: %s): TCP connection to [%j, L%j] closed.", this._state, this._connection == null ? EmptyGuid : this._connection.connectionId, connection.connectionId, connection.remoteEndPoint, connection.localEndPoint); return; } this._state = ConnectionState.Connecting; this._connectingPhase = ConnectingPhase.Reconnecting; this._logDebug("TCP connection to [%j, L%j, %s] closed. %s", connection.remoteEndPoint, connection.localEndPoint, connection.connectionId, error); this._subscriptions.purgeSubscribedAndDroppedSubscriptions(this._connection.connectionId); this._reconnInfo = { reconnectionAttempt: this._reconnInfo ? this._reconnInfo.reconnectionAttempt : 0, timeStamp: Date.now() }; if (this._wasConnected) { this._wasConnected = false; this.emit('disconnected', connection.remoteEndPoint); } }; EventStoreConnectionLogicHandler.prototype._handleTcpPackage = function(connection, pkg) { if (!connection.equals(this._connection) || this._state == ConnectionState.Closed || this._state == ConnectionState.Init) { this._logDebug("IGNORED: HandleTcpPackage connId %s, package %s, %s.", connection.connectionId, TcpCommand.getName(pkg.command), pkg.correlationId); return; } this._logDebug("HandleTcpPackage connId %s, package %s, %s.", this._connection.connectionId, TcpCommand.getName(pkg.command), pkg.correlationId); this._packageNumber += 1; if (pkg.command == TcpCommand.HeartbeatResponseCommand) return; if (pkg.command == TcpCommand.HeartbeatRequestCommand) { this._connection.enqueueSend(new TcpPackage( TcpCommand.HeartbeatResponseCommand, TcpFlags.None, pkg.correlationId)); return; } if (pkg.command == TcpCommand.Authenticated || pkg.command == TcpCommand.NotAuthenticated) { if (this._state == ConnectionState.Connecting && this._connectingPhase == ConnectingPhase.Authentication && this._authInfo.correlationId == pkg.correlationId) { if (pkg.command == TcpCommand.NotAuthenticated) this.emit('authenticationFailed', "Not authenticated"); this._goToConnectedState(); return; } } if (pkg.command == TcpCommand.BadRequest && pkg.correlationId == EmptyGuid) { var message = ""; try { message = pkg.data.toString(); } catch(e) {} var err = new Error("Bad request received from server. Error: " + message); this._closeConnection("Connection-wide BadRequest received. Too dangerous to continue.", err); return; } var operation = this._operations.getActiveOperation(pkg.correlationId); if (operation) { var result = operation.operation.inspectPackage(pkg); this._logDebug("HandleTcpPackage OPERATION DECISION %s (%s), %s", result.decision, result.description, operation.operation); switch (result.decision) { case InspectionDecision.DoNothing: break; case InspectionDecision.EndOperation: this._operations.removeOperation(operation); break; case InspectionDecision.Retry: this._operations.scheduleOperationRetry(operation); break; case InspectionDecision.Reconnect: this._reconnectTo({tcpEndPoint: result.tcpEndPoint, secureTcpEndPoint: result.secureTcpEndPoint}); this._operations.scheduleOperationRetry(operation); break; default: throw new Error("Unknown InspectionDecision: " + result.decision); } if (this._state == ConnectionState.Connected) this._operations.scheduleWaitingOperations(connection); return; } var subscription = this._subscriptions.getActiveSubscription(pkg.correlationId); if (subscription) { var result = subscription.operation.inspectPackage(pkg); this._logDebug("HandleTcpPackage SUBSCRIPTION DECISION %s (%s), %s", result.decision, result.description, subscription); switch (result.decision) { case InspectionDecision.DoNothing: break; case InspectionDecision.EndOperation: this._subscriptions.removeSubscription(subscription); break; case InspectionDecision.Retry: this._subscriptions.scheduleSubscriptionRetry(subscription); break; case InspectionDecision.Reconnect: this._reconnectTo({tcpEndPoint: result.tcpEndPoint, secureTcpEndPoint: result.secureTcpEndPoint}); this._subscriptions.scheduleSubscriptionRetry(subscription); break; case InspectionDecision.Subscribed: subscription.isSubscribed = true; break; default: throw new Error("Unknown InspectionDecision: " + result.decision); } return; } this._logDebug("HandleTcpPackage UNMAPPED PACKAGE with CorrelationId %s, Command: %s", pkg.correlationId, TcpCommand.getName(pkg.command)); }; EventStoreConnectionLogicHandler.prototype._reconnectTo = function(endPoints) { var endPoint = this._settings.useSslConnection ? endPoints.secureTcpEndPoint : endPoints.tcpEndPoint; if (endPoint == null) { this._closeConnection("No end point is specified while trying to reconnect."); return; } if (this._state != ConnectionState.Connected || this._connection.remoteEndPoint == endPoint) return; var msg = util.format("EventStoreConnection '%s': going to reconnect to [%j]. Current endpoint: [%j, L%j].", this._esConnection.connectionName, endPoint, this._connection.remoteEndPoint, this._connection.localEndPoint); if (this._settings.verboseLogging) this._settings.log.info(msg); this._closeTcpConnection(msg); this._state = ConnectionState.Connecting; this._connectingPhase = ConnectingPhase.EndPointDiscovery; this._establishTcpConnection(endPoints); }; EventStoreConnectionLogicHandler.prototype._timerTick = function() { switch (this._state) { case ConnectionState.Init: break; case ConnectionState.Connecting: if (this._connectingPhase == ConnectingPhase.Reconnecting && Date.now() - this._reconnInfo.timeStamp >= this._settings.reconnectionDelay) { this._logDebug("TimerTick checking reconnection..."); this._reconnInfo = {reconnectionAttempt: this._reconnInfo.reconnectionAttempt + 1, timeStamp: Date.now()}; if (this._settings.maxReconnections >= 0 && this._reconnInfo.reconnectionAttempt > this._settings.maxReconnections) this._closeConnection("Reconnection limit reached."); else { this.emit('reconnecting', {}); this._discoverEndpoint(null); } } else if (this._connectingPhase == ConnectingPhase.Authentication && Date.now() - this._authInfo.timeStamp >= this._settings.operationTimeout) { this.emit('authenticationFailed', "Authentication timed out."); this._goToConnectedState(); } else if (this._connectingPhase > ConnectingPhase.ConnectionEstablishing) this._manageHeartbeats(); break; case ConnectionState.Connected: // operations timeouts are checked only if connection is established and check period time passed if (Date.now() - this._lastTimeoutsTimeStamp >= this._settings.operationTimeoutCheckPeriod) { // On mono even impossible connection first says that it is established // so clearing of reconnection count on ConnectionEstablished event causes infinite reconnections. // So we reset reconnection count to zero on each timeout check period when connection is established this._reconnInfo = {reconnectionAttempt: 0, timeStamp: Date.now()}; this._operations.checkTimeoutsAndRetry(this._connection); this._subscriptions.checkTimeoutsAndRetry(this._connection); this._lastTimeoutsTimeStamp = Date.now(); } this._manageHeartbeats(); break; case ConnectionState.Closed: break; default: throw new Error("Unknown state: " + this._state + "."); } }; EventStoreConnectionLogicHandler.prototype._manageHeartbeats = function() { if (this._connection == null) throw new Error(); var timeout = this._heartbeatInfo.isIntervalStage ? this._settings.heartbeatInterval : this._settings.heartbeatTimeout; if (Date.now() - this._heartbeatInfo.timeStamp < timeout) return; var packageNumber = this._packageNumber; if (this._heartbeatInfo.lastPackageNumber != packageNumber) { this._heartbeatInfo = {lastPackageNumber: packageNumber, isIntervalStage: true, timeStamp: Date.now()}; return; } if (this._heartbeatInfo.isIntervalStage) { // TcpMessage.Heartbeat analog this._connection.enqueueSend(new TcpPackage( TcpCommand.HeartbeatRequestCommand, TcpFlags.None, uuid.v4())); this._heartbeatInfo = {lastPackageNumber: this._heartbeatInfo.lastPackageNumber, isIntervalStage: false, timeStamp: Date.now()}; } else { // TcpMessage.HeartbeatTimeout analog var msg = util.format("EventStoreConnection '%s': closing TCP connection [%j, L%j, %s] due to HEARTBEAT TIMEOUT at pkgNum %d.", this._esConnection.connectionName, this._connection.remoteEndPoint, this._connection.localEndPoint, this._connection.connectionId, packageNumber); this._settings.log.info(msg); this._closeTcpConnection(msg); } }; EventStoreConnectionLogicHandler.prototype._logDebug = function(message) { if (!this._settings.verboseLogging) return; if (arguments.length > 1) message = util.format.apply(util, Array.prototype.slice.call(arguments)); this._settings.log.debug("EventStoreConnection '%s': %s", this._esConnection.connectionName, message); }; EventStoreConnectionLogicHandler.prototype._logInfo = function(message){ if (arguments.length > 1) message = util.format.apply(util, Array.prototype.slice.call(arguments)); this._settings.log.info("EventStoreConnection '%s': %s", this._esConnection.connectionName, message); }; module.exports = EventStoreConnectionLogicHandler; /***/ }, /* 11 */ /***/ function(module, exports) { function typeName(t) { if (typeof t === 'function') return t.name; if (typeof t === 'object') return t.constructor.name; throw new TypeError('type must be a function or object, not ' + typeof t); } function SimpleQueuedHandler() { this._handlers = {}; this._messages = []; this._isProcessing = false; } SimpleQueuedHandler.prototype.registerHandler = function(type, handler) { type = typeName(type); this._handlers[type] = handler; }; SimpleQueuedHandler.prototype.enqueueMessage = function(msg) { this._messages.push(msg); if (!this._isProcessing) { this._isProcessing = true; setImmediate(this._processQueue.bind(this)); } }; SimpleQueuedHandler.prototype._processQueue = function() { var message = this._messages.shift(); while(message) { var type = typeName(message); var handler = this._handlers[type]; if (!handler) throw new Error("No handler registered for message " + type); setImmediate(handler, message); message = this._messages.shift(); } this._isProcessing = false; }; module.exports = SimpleQueuedHandler; /***/ }, /* 12 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var LengthPrefixMessageFramer = __webpack_require__(13); var TcpConnection = __webpack_require__(15); var TcpPackage = __webpack_require__(17); var TcpCommand = __webpack_require__(19); /** * @param log * @param remoteEndPoint * @param connectionId * @param ssl * @param targetHost * @param validateServer * @param timeout * @param handlePackage * @param onError * @param connectionEstablished * @param connectionClosed * @constructor * @property {string} connectionId * @property {boolean} isClosed * @property {object} remoteEndPoint * @property {object} localEndPoint */ function TcpPackageConnection( log, remoteEndPoint, connectionId, ssl, targetHost, validateServer, timeout, handlePackage, onError, connectionEstablished, connectionClosed) { this._connectionId = connectionId; this._log = log; this._handlePackage = handlePackage; this._onError = onError; //Setup callback for incoming messages this._framer = new LengthPrefixMessageFramer(); this._framer.registerMessageArrivedCallback(this._incomingMessageArrived.bind(this)); //TODO ssl var self = this; this._connection = TcpConnection.createConnectingConnection( log, connectionId, remoteEndPoint, //ssl, //targetHost, //validateServer, timeout, function(tcpConnection) { log.debug("TcpPackageConnection: connected to [%j, L%j, %s].", tcpConnection.remoteEndPoint, tcpConnection.localEndPoint, connectionId); connectionEstablished(self); }, function(conn, error) { log.debug("TcpPackageConnection: connection to [%j, L%j, %s] failed. Error: %s.", conn.remoteEndPoint, conn.localEndPoint, connectionId, error); connectionClosed(self, error); }, function (conn, had_error) { var error; if (had_error) error = new Error('transmission error.'); log.debug("TcpPackageConnection: connection [%j, L%j, %s] was closed %s", conn.remoteEndPoint, conn.localEndPoint, connectionId, had_error ? "with error: " + error + "." : "cleanly."); connectionClosed(self, error); }); } Object.defineProperty(TcpPackageConnection.prototype, 'connectionId', { enumerable: true, get: function() { return this._connectionId; } }); Object.defineProperty(TcpPackageConnection.prototype, 'isClosed', { enumerable: true, get: function() { return this._connection.isClosed; } }); Object.defineProperty(TcpPackageConnection.prototype, 'remoteEndPoint', { enumerable: true, get: function() { return this._connection.remoteEndPoint; } }); Object.defineProperty(TcpPackageConnection.prototype, 'localEndPoint', { enumerable: true, get: function() { return this._connection.localEndPoint; } }); TcpPackageConnection.prototype._onRawDataReceived = function(connection, data) { try { this._framer.unframeData(data); } catch(e) { this._log.error(e, "TcpPackageConnection: [%j, L%j, %s]. Invalid TCP frame received.", this.remoteEndPoint, this.localEndPoint, this._connectionId); this.close("Invalid TCP frame received"); return; } connection.receive(this._onRawDataReceived.bind(this)); }; TcpPackageConnection.prototype._incomingMessageArrived = function(data) { var valid = false; var pkg; try { pkg = TcpPackage.fromBufferSegment(data); valid = true; this._handlePackage(this, pkg); } catch (e) { this._connection.close(util.format("Error when processing TcpPackage %s: %s", valid ? TcpCommand.getName(pkg.command) : "", e.message)); var message = util.format("TcpPackageConnection: [%j, L%j, %s] ERROR for %s. Connection will be closed.", this.remoteEndPoint, this.localEndPoint, this._connectionId, valid ? TcpCommand.getName(pkg.command) : ""); if (this._onError != null) this._onError(this, e); this._log.debug(e, message); } }; TcpPackageConnection.prototype.startReceiving = function() { if (this._connection == null) throw new Error("Failed connection."); this._connection.receive(this._onRawDataReceived.bind(this)); }; TcpPackageConnection.prototype.enqueueSend = function(pkg) { if (this._connection == null) throw new Error("Failed connection."); this._connection.enqueueSend(this._framer.frameData(pkg.asBufferSegment())); }; TcpPackageConnection.prototype.close = function(reason) { if (this._connection == null) throw new Error("Failed connection."); this._connection.close(reason); }; TcpPackageConnection.prototype.equals = function(other) { if (other === null) return false; return this._connectionId === other._connectionId; }; module.exports = TcpPackageConnection; /***/ }, /* 13 */ /***/ function(module, exports, __webpack_require__) { var createBufferSegment = __webpack_require__(14); const HeaderLength = 4; function LengthPrefixMessageFramer(maxPackageSize) { this._maxPackageSize = maxPackageSize || 64*1024*1024; this._receivedHandler = null; this.reset(); } LengthPrefixMessageFramer.prototype.reset = function() { this._messageBuffer = null; this._headerBytes = 0; this._packageLength = 0; this._bufferIndex = 0; }; LengthPrefixMessageFramer.prototype.unframeData = function(bufferSegments) { for(var i = 0; i < bufferSegments.length; i++) { this._parse(bufferSegments[i]); } }; LengthPrefixMessageFramer.prototype._parse = function(bytes) { var buffer = bytes.buffer; for (var i = bytes.offset; i < bytes.offset + bytes.count; i++) { if (this._headerBytes < HeaderLength) { this._packageLength |= (buffer[i] << (this._headerBytes * 8)); // little-endian order ++this._headerBytes; if (this._headerBytes == HeaderLength) { if (this._packageLength <= 0 || this._packageLength > this._maxPackageSize) throw new Error(["Package size is out of bounds: ", this._packageLength, "(max: ", this._maxPackageSize, "."].join('')); this._messageBuffer = new Buffer(this._packageLength); } } else { var copyCnt = Math.min(bytes.count + bytes.offset - i, this._packageLength - this._bufferIndex); bytes.buffer.copy(this._messageBuffer, this._bufferIndex, i, i + copyCnt); this._bufferIndex += copyCnt; i += copyCnt - 1; if (this._bufferIndex == this._packageLength) { if (this._receivedHandler != null) this._receivedHandler(createBufferSegment(this._messageBuffer, 0, this._bufferIndex)); this.reset(); } } } }; LengthPrefixMessageFramer.prototype.frameData = function(data) { var length = data.count; var lengthBuffer = new Buffer(HeaderLength); lengthBuffer.writeInt32LE(length, 0); return [ createBufferSegment(lengthBuffer, 0, HeaderLength), data ]; }; LengthPrefixMessageFramer.prototype.registerMessageArrivedCallback = function(handler) { this._receivedHandler = handler; }; module.exports = LengthPrefixMessageFramer; /***/ }, /* 14 */ /***/ function(module, exports) { /** * Create a buffer segment * @param {Buffer} buf * @param {number} [offset] * @param {number} [count] * @constructor */ function BufferSegment(buf, offset, count) { if (!Buffer.isBuffer(buf)) throw new TypeError('buf must be a buffer'); this.buffer = buf; this.offset = offset || 0; this.count = count || buf.length; } BufferSegment.prototype.toString = function() { return this.buffer.toString('utf8', this.offset, this.offset + this.count); }; BufferSegment.prototype.toBuffer = function() { if (this.offset === 0 && this.count === this.buffer.length) return this.buffer; return this.buffer.slice(this.offset, this.offset + this.count); }; BufferSegment.prototype.copyTo = function(dst, offset) { this.buffer.copy(dst, offset, this.offset, this.offset + this.count); }; module.exports = function(buf, offset, count) { return new BufferSegment(buf, offset, count); }; /***/ }, /* 15 */ /***/ function(module, exports, __webpack_require__) { var net = __webpack_require__(16); var createBufferSegment = __webpack_require__(14); const MaxSendPacketSize = 64 * 1000; function TcpConnection(log, connectionId, remoteEndPoint, onConnectionClosed) { this._socket = null; this._log = log; this._connectionId = connectionId; this._remoteEndPoint = remoteEndPoint; this._localEndPoint = null; this._onConnectionClosed = onConnectionClosed; this._receiveCallback = null; this._closed = false; this._sendQueue = []; this._receiveQueue = []; Object.defineProperty(this, 'remoteEndPoint', { enumerable: true, get: function() { return this._remoteEndPoint; } }); Object.defineProperty(this, 'localEndPoint', { enumerable: true, get: function() { return this._localEndPoint; } }); } TcpConnection.prototype._initSocket = function(socket) { this._socket = socket; this._localEndPoint = {host: socket.localAddress, port: socket.localPort}; this._socket.on('error', this._processError.bind(this)); this._socket.on('data', this._processReceive.bind(this)); }; TcpConnection.prototype.enqueueSend = function(bufSegmentArray) { //console.log(bufSegmentArray); for(var i = 0; i < bufSegmentArray.length; i++) { var bufSegment = bufSegmentArray[i]; this._sendQueue.push(bufSegment.toBuffer()); } this._trySend(); }; TcpConnection.prototype._trySend = function() { if (this._sendQueue.length === 0 || this._socket === null) return; var buffers = []; var bytes = 0; var sendPiece = this._sendQueue.shift(); while(sendPiece) { if (bytes + sendPiece.length > MaxSendPacketSize) break; buffers.push(sendPiece); bytes += sendPiece.length; sendPiece = this._sendQueue.shift(); } var joinedBuffers = Buffer.concat(buffers, bytes); this._socket.write(joinedBuffers); }; TcpConnection.prototype._processError = function(err) { this._closeInternal(err, "Socket error"); }; TcpConnection.prototype._processReceive = function(buf) { if (buf.length === 0) { //NotifyReceiveCompleted(0); this._closeInternal(null, "Socket closed"); return; } //NotifyReceiveCompleted(buf.length) this._receiveQueue.push(buf); this._tryDequeueReceivedData(); }; TcpConnection.prototype.receive = function(cb) { this._receiveCallback = cb; this._tryDequeueReceivedData(); }; TcpConnection.prototype._tryDequeueReceivedData = function() { if (this._receiveCallback === null || this._receiveQueue.length === 0) return; var res = []; while(this._receiveQueue.length > 0) { var buf = this._receiveQueue.shift(); var bufferSegment = createBufferSegment(buf); res.push(bufferSegment); } var callback = this._receiveCallback; this._receiveCallback = null; callback(this, res); var bytes = 0; for(var i=0;i= data.count) throw new Error("Login length is too big, it doesn't fit into TcpPackage."); login = data.buffer.toString('utf8', data.offset + AuthOffset + 1, data.offset + AuthOffset + 1 + loginLen); var passLen = data.buffer[data.offset + AuthOffset + 1 + loginLen]; if (AuthOffset + 1 + loginLen + 1 + passLen > data.count) throw new Error("Password length is too big, it doesn't fit into TcpPackage."); headerSize += 1 + loginLen + 1 + passLen; pass = data.buffer.toString('utf8', data.offset + AuthOffset + 1 + loginLen + 1, data.offset + headerSize); } return new TcpPackage( command, flags, correlationId, login, pass, createBufferSegment(data.buffer, data.offset + headerSize, data.count - headerSize)); }; TcpPackage.prototype.asBuffer = function() { if ((this.flags & TcpFlags.Authenticated) != 0) { var loginBytes = new Buffer(this.login); if (loginBytes.length > 255) throw new Error("Login serialized length should be less than 256 bytes."); var passwordBytes = new Buffer(this.password); if (passwordBytes.length > 255) throw new Error("Password serialized length should be less than 256 bytes."); var res = new Buffer(MandatorySize + 2 + loginBytes.length + passwordBytes.length + (this.data ? this.data.count : 0)); res[CommandOffset] = this.command; res[FlagsOffset] = this.flags; uuid.parse(this.correlationId, res, CorrelationOffset); res[AuthOffset] = loginBytes.length; loginBytes.copy(res, AuthOffset + 1); res[AuthOffset + 1 + loginBytes.length] = passwordBytes.length; passwordBytes.copy(res, AuthOffset + 2 + loginBytes.length); if (this.data) this.data.copyTo(res, res.length - this.data.count); return res; } else { var res = new Buffer(MandatorySize + (this.data ? this.data.count : 0)); res[CommandOffset] = this.command; res[FlagsOffset] = this.flags; uuid.parse(this.correlationId, res, CorrelationOffset); if (this.data) this.data.copyTo(res, AuthOffset); return res; } }; TcpPackage.prototype.asBufferSegment = function() { return createBufferSegment(this.asBuffer()); }; module.exports = TcpPackage; /***/ }, /* 18 */ /***/ function(module, exports) { const TcpFlags = { None: 0x0, Authenticated: 0x01 }; module.exports = TcpFlags; /***/ }, /* 19 */ /***/ function(module, exports) { const TcpCommand = { HeartbeatRequestCommand: 0x01, HeartbeatResponseCommand: 0x02, Ping: 0x03, Pong: 0x04, PrepareAck: 0x05, CommitAck: 0x06, SlaveAssignment: 0x07, CloneAssignment: 0x08, SubscribeReplica: 0x10, ReplicaLogPositionAck: 0x11, CreateChunk: 0x12, RawChunkBulk: 0x13, DataChunkBulk: 0x14, ReplicaSubscriptionRetry: 0x15, ReplicaSubscribed: 0x16, // CLIENT COMMANDS // CreateStream: 0x80, // CreateStreamCompleted: 0x81, WriteEvents: 0x82, WriteEventsCompleted: 0x83, TransactionStart: 0x84, TransactionStartCompleted: 0x85, TransactionWrite: 0x86, TransactionWriteCompleted: 0x87, TransactionCommit: 0x88, TransactionCommitCompleted: 0x89, DeleteStream: 0x8A, DeleteStreamCompleted: 0x8B, ReadEvent: 0xB0, ReadEventCompleted: 0xB1, ReadStreamEventsForward: 0xB2, ReadStreamEventsForwardCompleted: 0xB3, ReadStreamEventsBackward: 0xB4, ReadStreamEventsBackwardCompleted: 0xB5, ReadAllEventsForward: 0xB6, ReadAllEventsForwardCompleted: 0xB7, ReadAllEventsBackward: 0xB8, ReadAllEventsBackwardCompleted: 0xB9, SubscribeToStream: 0xC0, SubscriptionConfirmation: 0xC1, StreamEventAppeared: 0xC2, UnsubscribeFromStream: 0xC3, SubscriptionDropped: 0xC4, ConnectToPersistentSubscription: 0xC5, PersistentSubscriptionConfirmation: 0xC6, PersistentSubscriptionStreamEventAppeared: 0xC7, CreatePersistentSubscription: 0xC8, CreatePersistentSubscriptionCompleted: 0xC9, DeletePersistentSubscription: 0xCA, DeletePersistentSubscriptionCompleted: 0xCB, PersistentSubscriptionAckEvents: 0xCC, PersistentSubscriptionNakEvents: 0xCD, UpdatePersistentSubscription: 0xCE, UpdatePersistentSubscriptionCompleted: 0xCF, ScavengeDatabase: 0xD0, ScavengeDatabaseCompleted: 0xD1, BadRequest: 0xF0, NotHandled: 0xF1, Authenticate: 0xF2, Authenticated: 0xF3, NotAuthenticated: 0xF4 }; var _reverseLookup = {}; for(var n in TcpCommand) { var v = TcpCommand[n]; _reverseLookup[v] = n; } module.exports = TcpCommand; module.exports.getName = function(v) { return _reverseLookup[v]; }; /***/ }, /* 20 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var Hash = __webpack_require__(21); var TcpCommand = __webpack_require__(19); /** * @param {string} connectionName * @param {object} settings * @constructor * @property {number} totalOperationCount */ function OperationsManager(connectionName, settings) { this._connectionName = connectionName; this._settings = settings; this._totalOperationCount = 0; this._activeOperations = new Hash(); this._waitingOperations = []; this._retryPendingOperations = []; } Object.defineProperty(OperationsManager.prototype, 'totalOperationCount', { get: function() { return this._totalOperationCount; } }); OperationsManager.prototype.getActiveOperation = function(correlationId) { return this._activeOperations.get(correlationId); }; OperationsManager.prototype.cleanUp = function() { var connectionClosedError = new Error(util.format("Connection '%s' was closed.", this._connectionName)); this._activeOperations.forEach(function(correlationId, operation){ operation.operation.fail(connectionClosedError); }); this._waitingOperations.forEach(function(operation) { operation.operation.fail(connectionClosedError); }); this._retryPendingOperations.forEach(function(operation) { operation.operation.fail(connectionClosedError); }); this._activeOperations.clear(); this._waitingOperations = []; this._retryPendingOperations = []; this._totalOperationCount = 0; }; OperationsManager.prototype.checkTimeoutsAndRetry = function(connection) { if (!connection) throw new TypeError("Connection is null."); var retryOperations = []; var removeOperations = []; var self = this; this._activeOperations.forEach(function(correlationId, operation) { if (operation.connectionId != connection.connectionId) { retryOperations.push(operation); } else if (operation.timeout > 0 && Date.now() - operation.lastUpdated > self._settings.operationTimeout) { var err = util.format("EventStoreConnection '%s': operation never got response from server.\n" + "UTC now: %s, operation: %s.", self._connectionName, new Date(), operation); self._settings.log.error(err); if (self._settings.failOnNoServerResponse) { operation.operation.fail(new Error(err)); removeOperations.push(operation); } else { retryOperations.push(operation); } } }); retryOperations.forEach(function(operation) { self.scheduleOperationRetry(operation); }); removeOperations.forEach(function(operation) { self.removeOperation(operation); }); if (this._retryPendingOperations.length > 0) { this._retryPendingOperations.sort(function(x,y) { if (x.seqNo < y.seqNo) return -1; if (x.seqNo > y.seqNo) return 1; return 0; }); this._retryPendingOperations.forEach(function(operation) { var oldCorrId = operation.correlationId; operation.correlationId = uuid.v4(); operation.retryCount += 1; self._logDebug("retrying, old corrId %s, operation %s.", oldCorrId, operation); self.scheduleOperation(operation, connection); }); this._retryPendingOperations = []; } this.scheduleWaitingOperations(connection); }; OperationsManager.prototype.scheduleOperationRetry = function(operation) { if (!this.removeOperation(operation)) return; this._logDebug("ScheduleOperationRetry for %s.", operation); if (operation.maxRetries >= 0 && operation.retryCount >= operation.maxRetries) { var err = util.format("Retry limit reached. Operation: %s, RetryCount: %d", operation, operation.retryCount); operation.operation.fail(new Error(err)); return; } this._retryPendingOperations.push(operation); }; OperationsManager.prototype.removeOperation = function(operation) { this._activeOperations.remove(operation.connectionId); this._logDebug("RemoveOperation SUCCEEDED for %s.", operation); this._totalOperationCount = this._activeOperations.length + this._waitingOperations.length; return true; }; OperationsManager.prototype.scheduleWaitingOperations = function(connection) { if (!connection) throw new TypeError("connection is null."); while (this._waitingOperations.length > 0 && this._activeOperations.length < this._settings.maxConcurrentItems) { this.scheduleOperation(this._waitingOperations.shift(), connection); } this._totalOperationCount = this._activeOperations.length + this._waitingOperations.length; }; OperationsManager.prototype.enqueueOperation = function(operation) { this._logDebug("EnqueueOperation WAITING for %s.", operation); this._waitingOperations.push(operation); }; OperationsManager.prototype.scheduleOperation = function(operation, connection) { if (this._activeOperations.length >= this._settings.maxConcurrentItems) { this._logDebug("ScheduleOperation WAITING for %s.", operation); this._waitingOperations.push(operation); } else { operation.connectionId = connection.connectionId; operation.lastUpdated = Date.now(); this._activeOperations.add(operation.correlationId, operation); var pkg = operation.operation.createNetworkPackage(operation.correlationId); this._logDebug("ScheduleOperation package %s, %s, %s.", TcpCommand.getName(pkg.command), pkg.correlationId, operation); connection.enqueueSend(pkg); } this._totalOperationCount = this._activeOperations.length + this._waitingOperations.length; }; OperationsManager.prototype._logDebug = function(message) { if (!this._settings.verboseLogging) return; if (arguments.length > 1) message = util.format.apply(util, Array.prototype.slice.call(arguments)); this._settings.log.debug("EventStoreConnection '%s': %s.", this._connectionName, message); }; module.exports = OperationsManager; /***/ }, /* 21 */ /***/ function(module, exports) { /** * @constructor * @property {number} length */ function Hash() { this._ = {}; this._length = 0; } Object.defineProperty(Hash.prototype, 'length', { get: function() { return this._length; } }); Hash.prototype.add = function(key,value) { this._[key] = value; this._length++; }; Hash.prototype.clear = function() { this._ = {}; this._length = 0; }; Hash.prototype.forEach = function(cb) { for(var k in this._) { cb(k, this._[k]); } }; Hash.prototype.get = function(key) { return this._[key]; }; Hash.prototype.remove = function(key) { delete this._[key]; this._length--; }; module.exports = Hash; /***/ }, /* 22 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var Hash = __webpack_require__(21); var SubscriptionDropReason = __webpack_require__(23); function SubscriptionsManager(connectionName, settings) { //Ensure.NotNull(connectionName, "connectionName"); //Ensure.NotNull(settings, "settings"); this._connectionName = connectionName; this._settings = settings; this._activeSubscriptions = new Hash(); this._waitingSubscriptions = []; this._retryPendingSubscriptions = []; } SubscriptionsManager.prototype.getActiveSubscription = function(correlationId) { return this._activeSubscriptions.get(correlationId); }; SubscriptionsManager.prototype.cleanUp = function() { var connectionClosedError = new Error(util.format("Connection '%s' was closed.", this._connectionName)); var self = this; this._activeSubscriptions.forEach(function(correlationId, subscription){ subscription.operation.dropSubscription(SubscriptionDropReason.ConnectionClosed, connectionClosedError); }); this._waitingSubscriptions.forEach(function(subscription){ subscription.operation.dropSubscription(SubscriptionDropReason.ConnectionClosed, connectionClosedError); }); this._retryPendingSubscriptions.forEach(function(subscription){ subscription.operation.dropSubscription(SubscriptionDropReason.ConnectionClosed, connectionClosedError); }); this._activeSubscriptions.clear(); this._waitingSubscriptions = []; this._retryPendingSubscriptions = []; }; SubscriptionsManager.prototype.purgeSubscribedAndDroppedSubscriptions = function() { var self = this; var subscriptionsToRemove = []; this._activeSubscriptions.forEach(function(_, subscription) { if (subscription.isSubscribed && subscription.connectionId == connectionId) { subscription.operation.connectionClosed(); subscriptionsToRemove.push(subscription); } }); subscriptionsToRemove.forEach(function(subscription) { self._activeSubscriptions.remove(subscription.correlationId); }); }; SubscriptionsManager.prototype.checkTimeoutsAndRetry = function(connection) { //Ensure.NotNull(connection, "connection"); var self = this; var retrySubscriptions = []; var removeSubscriptions = []; this._activeSubscriptions.forEach(function(_, subscription) { if (subscription.isSubscribed) return; if (subscription.connectionId != connection.connectionId) { retrySubscriptions.push(subscription); } else if (subscription.timeout > 0 && Date.now() - subscription.lastUpdated > self._settings.operationTimeout) { var err = util.format("EventStoreConnection '%s': subscription never got confirmation from server.\n" + "UTC now: %s, operation: %s.", self._connectionName, new Date(), subscription); self._settings.log.error(err); if (self._settings.failOnNoServerResponse) { subscription.operation.dropSubscription(SubscriptionDropReason.SubscribingError, new Error(err)); removeSubscriptions.push(subscription); } else { retrySubscriptions.push(subscription); } } }); retrySubscriptions.forEach(function(subscription) { self.scheduleSubscriptionRetry(subscription); }); removeSubscriptions.forEach(function(subscription) { self.removeSubscription(subscription); }); if (this._retryPendingSubscriptions.length > 0) { this._retryPendingSubscriptions.forEach(function(subscription) { subscription.retryCount += 1; self.startSubscription(subscription, connection); }); this._retryPendingSubscriptions = []; } while (this._waitingSubscriptions.length > 0) { this.startSubscription(this._waitingSubscriptions.shift(), connection); } }; SubscriptionsManager.prototype.removeSubscription = function(subscription) { this._activeSubscriptions.remove(subscription.correlationId); this._logDebug("RemoveSubscription %s.", subscription); return true; }; SubscriptionsManager.prototype.scheduleSubscriptionRetry = function(subscription) { if (!this.removeSubscription(subscription)) { this._logDebug("RemoveSubscription failed when trying to retry %s.", subscription); return; } if (subscription.maxRetries >= 0 && subscription.retryCount >= subscription.maxRetries) { this._logDebug("RETRIES LIMIT REACHED when trying to retry %s.", subscription); var err = util.format("Retries limit reached. Subscription: %s RetryCount: %d.", subscription, subscription.retryCount); subscription.operation.dropSubscription(SubscriptionDropReason.SubscribingError, new Error(err)); return; } this._logDebug("retrying subscription %s.", subscription); this._retryPendingSubscriptions.push(subscription); }; SubscriptionsManager.prototype.enqueueSubscription = function(subscriptionItem) { this._waitingSubscriptions.push(subscriptionItem); }; SubscriptionsManager.prototype.startSubscription = function(subscription, connection) { //Ensure.NotNull(connection, "connection"); if (subscription.isSubscribed) { this._logDebug("StartSubscription REMOVING due to already subscribed %s.", subscription); this.removeSubscription(subscription); return; } subscription.correlationId = uuid.v4(); subscription.connectionId = connection.connectionId; subscription.lastUpdated = Date.now(); this._activeSubscriptions.add(subscription.correlationId, subscription); if (!subscription.operation.subscribe(subscription.correlationId, connection)) { this._logDebug("StartSubscription REMOVING AS COULDN'T SUBSCRIBE %s.", subscription); this.removeSubscription(subscription); } else { this._logDebug("StartSubscription SUBSCRIBING %s.", subscription); } }; SubscriptionsManager.prototype._logDebug = function(message) { if (!this._settings.verboseLogging) return; var parameters = Array.prototype.slice.call(arguments, 1); this._settings.log.debug("EventStoreConnection '%s': %s.", this._connectionName, parameters.length == 0 ? message : util.format(message, parameters)); }; module.exports = SubscriptionsManager; /***/ }, /* 23 */ /***/ function(module, exports) { const SubscriptionDropReason = { AccessDenied: 'accessDenied', CatchUpError: 'catchUpError', ConnectionClosed: 'connectionClosed', EventHandlerException: 'eventHandlerException', MaxSubscribersReached: 'maxSubscribersReached', NotFound: 'notFound', PersistentSubscriptionDeleted: 'persistentSubscriptionDeleted', ProcessingQueueOverflow: 'processingQueueOverflow', ServerError: 'serverError', SubscribingError: 'subscribingError', UserInitiated: 'userInitiated', Unknown: 'unknown' }; module.exports = SubscriptionDropReason; /***/ }, /* 24 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var SubscriptionOperation = __webpack_require__(25); var ClientMessage = __webpack_require__(28); var TcpPackage = __webpack_require__(17); var TcpCommand = __webpack_require__(19); var TcpFlags = __webpack_require__(18); var BufferSegment = __webpack_require__(14); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var results = __webpack_require__(3); var VolatileEventStoreSubscription = __webpack_require__(29); function VolatileSubscriptionOperation( log, cb, streamId, resolveLinkTos, userCredentials, eventAppeared, subscriptionDropped, verboseLogging, getConnection ) { SubscriptionOperation.call(this, log, cb, streamId, resolveLinkTos, userCredentials, eventAppeared, subscriptionDropped, verboseLogging, getConnection); } util.inherits(VolatileSubscriptionOperation, SubscriptionOperation); VolatileSubscriptionOperation.prototype._createSubscriptionPackage = function() { var dto = new ClientMessage.SubscribeToStream(this._streamId, this._resolveLinkTos); return new TcpPackage(TcpCommand.SubscribeToStream, this._userCredentials != null ? TcpFlags.Authenticated : TcpFlags.None, this._correlationId, this._userCredentials != null ? this._userCredentials.username : null, this._userCredentials != null ? this._userCredentials.password : null, new BufferSegment(dto.toBuffer())); }; VolatileSubscriptionOperation.prototype._inspectPackage = function(pkg) { try { if (pkg.command == TcpCommand.SubscriptionConfirmation) { var dto = ClientMessage.SubscriptionConfirmation.decode(pkg.data.toBuffer()); this._confirmSubscription(dto.last_commit_position, dto.last_event_number); return new InspectionResult(InspectionDecision.Subscribed, "SubscriptionConfirmation"); } if (pkg.command == TcpCommand.StreamEventAppeared) { var dto = ClientMessage.StreamEventAppeared.decode(pkg.data.toBuffer()); this._onEventAppeared(new results.ResolvedEvent(dto.event)); return new InspectionResult(InspectionDecision.DoNothing, "StreamEventAppeared"); } return null; } catch(e) { console.log(e.stack); return null; } }; VolatileSubscriptionOperation.prototype._createSubscriptionObject = function(lastCommitPosition, lastEventNumber) { return new VolatileEventStoreSubscription(this, this._streamId, lastCommitPosition, lastEventNumber); }; module.exports = VolatileSubscriptionOperation; /***/ }, /* 25 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var TcpFlags = __webpack_require__(18); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var TcpPackage = __webpack_require__(17); var BufferSegment = __webpack_require__(14); var results = __webpack_require__(3); var SubscriptionDropReason = __webpack_require__(23); //TODO: nodify eventAppeared and subscriptionDropped, should be emit on subscription function SubscriptionOperation( log, cb, streamId, resolveLinkTos, userCredentials, eventAppeared, subscriptionDropped, verboseLogging, getConnection ) { //TODO: validations //Ensure.NotNull(log, "log"); //Ensure.NotNull(source, "source"); //Ensure.NotNull(eventAppeared, "eventAppeared"); //Ensure.NotNull(getConnection, "getConnection"); this._log = log; this._cb = cb; this._streamId = streamId || ''; this._resolveLinkTos = resolveLinkTos; this._userCredentials = userCredentials; this._eventAppeared = eventAppeared; this._subscriptionDropped = subscriptionDropped || function() {}; this._verboseLogging = verboseLogging; this._getConnection = getConnection; this._correlationId = null; this._unsubscribed = false; this._subscription = null; this._actionExecuting = false; this._actionQueue = []; } SubscriptionOperation.prototype._enqueueSend = function(pkg) { this._getConnection().enqueueSend(pkg); }; SubscriptionOperation.prototype.subscribe = function(correlationId, connection) { if (connection === null) throw new TypeError("connection is null."); if (this._subscription != null || this._unsubscribed != 0) return false; this._correlationId = correlationId; connection.enqueueSend(this._createSubscriptionPackage()); return true; }; SubscriptionOperation.prototype._createSubscriptionPackage = function() { throw new Error("SubscriptionOperation._createSubscriptionPackage abstract method called. " + this.constructor.name); }; SubscriptionOperation.prototype.unsubscribe = function() { this.dropSubscription(SubscriptionDropReason.UserInitiated, null, this._getConnection()); }; SubscriptionOperation.prototype._createUnsubscriptionPackage = function() { var msg = new ClientMessage.UnsubscribeFromStream(); var data = new BufferSegment(msg.toBuffer()); return new TcpPackage(TcpCommand.UnsubscribeFromStream, TcpFlags.None, this._correlationId, null, null, data); }; SubscriptionOperation.prototype._inspectPackage = function(pkg) { throw new Error("SubscriptionOperation._inspectPackage abstract method called." + this.constructor.name); }; SubscriptionOperation.prototype.inspectPackage = function(pkg) { try { var result = this._inspectPackage(pkg); if (result !== null) { return result; } switch (pkg.command) { case TcpCommand.StreamEventAppeared: { var dto = ClientMessage.StreamEventAppeared.decode(pkg.data.toBuffer()); this._onEventAppeared(new results.ResolvedEvent(dto.event)); return new InspectionResult(InspectionDecision.DoNothing, "StreamEventAppeared"); } case TcpCommand.SubscriptionDropped: { var dto = ClientMessage.SubscriptionDropped.decode(pkg.data.toBuffer()); switch (dto.reason) { case ClientMessage.SubscriptionDropped.SubscriptionDropReason.Unsubscribed: this.dropSubscription(SubscriptionDropReason.UserInitiated, null); break; case ClientMessage.SubscriptionDropped.SubscriptionDropReason.AccessDenied: this.dropSubscription(SubscriptionDropReason.AccessDenied, new Error(util.format("Subscription to '%s' failed due to access denied.", this._streamId || ""))); break; default: if (this._verboseLogging) this._log.debug("Subscription dropped by server. Reason: %s.", dto.reason); this.dropSubscription(SubscriptionDropReason.Unknown, new Error(util.format("Unsubscribe reason: '%s'.", dto.reason))); break; } return new InspectionResult(InspectionDecision.EndOperation, util.format("SubscriptionDropped: %s", dto.reason)); } case TcpCommand.NotAuthenticated: { var message = pkg.data.toString(); this.dropSubscription(SubscriptionDropReason.NotAuthenticated, new Error(message || "Authentication error")); return new InspectionResult(InspectionDecision.EndOperation, "NotAuthenticated"); } case TcpCommand.BadRequest: { var message = pkg.data.toString(); this.dropSubscription(SubscriptionDropReason.ServerError, new Error("Server error: " + (message || ""))); return new InspectionResult(InspectionDecision.EndOperation, util.format("BadRequest: %s", message)); } case TcpCommand.NotHandled: { if (this._subscription != null) throw new Error("NotHandled command appeared while we already subscribed."); var message = ClientMessage.NotHandled.decode(pkg.data.toBuffer()); switch (message.reason) { case ClientMessage.NotHandled.NotHandledReason.NotReady: return new InspectionResult(InspectionDecision.Retry, "NotHandled - NotReady"); case ClientMessage.NotHandled.NotHandledReason.TooBusy: return new InspectionResult(InspectionDecision.Retry, "NotHandled - TooBusy"); case ClientMessage.NotHandled.NotHandledReason.NotMaster: var masterInfo = ClientMessage.NotHandled.MasterInfo.decode(message.additional_info); return new InspectionResult(InspectionDecision.Reconnect, "NotHandled - NotMaster", {host: masterInfo.external_tcp_address, port: masterInfo.external_tcp_port}, {host: masterInfo.external_secure_tcp_address, port: masterInfo.external_secure_tcp_port}); default: this._log.error("Unknown NotHandledReason: %s.", message.reason); return new InspectionResult(InspectionDecision.Retry, "NotHandled - "); } } default: { this.dropSubscription(SubscriptionDropReason.ServerError, new Error("Command not expected: " + TcpCommand.getName(pkg.command))); return new InspectionResult(InspectionDecision.EndOperation, pkg.command); } } } catch (e) { this.dropSubscription(SubscriptionDropReason.Unknown, e); return new InspectionResult(InspectionDecision.EndOperation, util.format("Exception - %s", e.Message)); } }; SubscriptionOperation.prototype.connectionClosed = function() { this.dropSubscription(SubscriptionDropReason.ConnectionClosed, new Error("Connection was closed.")); }; SubscriptionOperation.prototype.timeOutSubscription = function() { if (this._subscription !== null) return false; this.dropSubscription(SubscriptionDropReason.SubscribingError, null); return true; }; SubscriptionOperation.prototype.dropSubscription = function(reason, err, connection) { if (!this._unsubscribed) { this._unsubscribed = true; if (this._verboseLogging) this._log.debug("Subscription %s to %s: closing subscription, reason: %s, exception: %s...", this._correlationId, this._streamId || "", reason, err); if (reason !== SubscriptionDropReason.UserInitiated && this._subscription === null) { if (err === null) throw new Error(util.format("No exception provided for subscription drop reason '%s", reason)); //TODO: this should be last thing to execute this._cb(err); return; } if (reason === SubscriptionDropReason.UserInitiated && this._subscription !== null && connection !== null) connection.enqueueSend(this._createUnsubscriptionPackage()); var self = this; if (this._subscription !== null) this._executeAction(function() { self._subscriptionDropped(self._subscription, reason, err); }); } }; SubscriptionOperation.prototype._confirmSubscription = function(lastCommitPosition, lastEventNumber) { if (lastCommitPosition < -1) throw new Error(util.format("Invalid lastCommitPosition %s on subscription confirmation.", lastCommitPosition)); if (this._subscription !== null) throw new Error("Double confirmation of subscription."); if (this._verboseLogging) this._log.debug("Subscription %s to %s: subscribed at CommitPosition: %d, EventNumber: %d.", this._correlationId, this._streamId || "", lastCommitPosition, lastEventNumber); this._subscription = this._createSubscriptionObject(lastCommitPosition, lastEventNumber); this._cb(null, this._subscription); }; SubscriptionOperation.prototype._createSubscriptionObject = function(lastCommitPosition, lastEventNumber) { throw new Error("SubscriptionOperation._createSubscriptionObject abstract method called. " + this.constructor.name); }; SubscriptionOperation.prototype._onEventAppeared = function(e) { if (this._unsubscribed) return; if (this._subscription === null) throw new Error("Subscription not confirmed, but event appeared!"); if (this._verboseLogging) this._log.debug("Subscription %s to %s: event appeared (%s, %d, %s @ %s).", this._correlationId, this._streamId || "", e.originalStreamId, e.originalEventNumber, e.originalEvent.eventType, e.originalPosition); var self = this; this._executeAction(function() { self._eventAppeared(self._subscription, e); }); }; SubscriptionOperation.prototype._executeAction = function(action) { this._actionQueue.push(action); if (!this._actionExecuting) { this._actionExecuting = true; setImmediate(this._executeActions.bind(this)); } }; SubscriptionOperation.prototype._executeActions = function() { //TODO: possible blocking loop for node.js var action = this._actionQueue.shift(); while (action) { try { action(); } catch (err) { this._log.error(err, "Exception during executing user callback: %s.", err.message); } action = this._actionQueue.shift(); } this._actionExecuting = false; }; SubscriptionOperation.prototype.toString = function() { return this.constructor.name; }; module.exports = SubscriptionOperation; /***/ }, /* 26 */ /***/ function(module, exports) { var InspectionDecision = { DoNothing: 'doNothing', EndOperation: 'endOperation', Retry: 'retry', Reconnect: 'reconnect', Subscribed: 'subscribed' }; module.exports = InspectionDecision; /***/ }, /* 27 */ /***/ function(module, exports) { function InspectionResult(decision, description, tcpEndPoint, secureTcpEndPoint) { this.decision = decision; this.description = description; this.tcpEndPoint = tcpEndPoint || null; this.secureTcpEndPoint = secureTcpEndPoint || null; } module.exports = InspectionResult; /***/ }, /* 28 */ /***/ function(module, exports) { module.exports = require("../src/messages/clientMessage"); /***/ }, /* 29 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var EventStoreSubsription = __webpack_require__(30); /** * @param {SubscriptionOperation} subscriptionOperation * @param {string} streamId * @param {Position} lastCommitPosition * @param {number} lastEventNumber * @constructor * @augments {EventStoreSubscription} */ function VolatileEventStoreConnection(subscriptionOperation, streamId, lastCommitPosition, lastEventNumber) { EventStoreSubsription.call(this, streamId, lastCommitPosition, lastEventNumber); this._subscriptionOperation = subscriptionOperation; } util.inherits(VolatileEventStoreConnection, EventStoreSubsription); VolatileEventStoreConnection.prototype.unsubscribe = function() { this._subscriptionOperation.unsubscribe(); }; module.exports = VolatileEventStoreConnection; /***/ }, /* 30 */ /***/ function(module, exports) { /*** * EventStoreSubscription * @param {string} streamId * @param {number} lastCommitPosition * @param {?number} lastEventNumber * @constructor * @property {boolean} isSubscribedToAll * @property {string} streamId * @property {number} lastCommitPosition * @property {?number} lastEventNumber */ function EventStoreSubscription(streamId, lastCommitPosition, lastEventNumber) { Object.defineProperties(this, { isSubscribedToAll: { value: streamId === '' }, streamId: { value: streamId }, lastCommitPosition: { value: lastCommitPosition }, lastEventNumber: { value: lastEventNumber } }); } /** * Unsubscribes from the stream */ EventStoreSubscription.prototype.close = function() { this.unsubscribe(); }; /** * Unsubscribes from the stream * @abstract */ EventStoreSubscription.prototype.unsubscribe = function() { throw new Error("EventStoreSubscription.unsubscribe abstract method called." + this.constructor.name); }; module.exports = EventStoreSubscription; /***/ }, /* 31 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var SubscriptionOperation = __webpack_require__(25); var ClientMessage = __webpack_require__(28); var TcpCommand = __webpack_require__(19); var TcpFlags = __webpack_require__(18); var TcpPackage = __webpack_require__(17); var createBufferSegment = __webpack_require__(14); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var SubscriptionDropReason = __webpack_require__(23); var PersistentEventStoreSubscription = __webpack_require__(32); var ensure = __webpack_require__(5); function ConnectToPersistentSubscriptionOperation( log, cb, groupName, bufferSize, streamId, userCredentials, eventAppeared, subscriptionDropped, verboseLogging, getConnection ) { SubscriptionOperation.call(this, log, cb, streamId, false, userCredentials, eventAppeared, subscriptionDropped, verboseLogging, getConnection); this._groupName = groupName; this._bufferSize = bufferSize; this._subscriptionId = null; } util.inherits(ConnectToPersistentSubscriptionOperation, SubscriptionOperation); ConnectToPersistentSubscriptionOperation.prototype._createSubscriptionPackage = function() { var dto = new ClientMessage.ConnectToPersistentSubscription(this._groupName, this._streamId, this._bufferSize); return new TcpPackage(TcpCommand.ConnectToPersistentSubscription, this._userCredentials !== null ? TcpFlags.Authenticated : TcpFlags.None, this._correlationId, this._userCredentials !== null ? this._userCredentials.username : null, this._userCredentials !== null ? this._userCredentials.password : null, createBufferSegment(dto.toBuffer())); }; ConnectToPersistentSubscriptionOperation.prototype._inspectPackage = function(pkg) { if (pkg.command == TcpCommand.PersistentSubscriptionConfirmation) { var dto = ClientMessage.PersistentSubscriptionConfirmation.decode(pkg.data.toBuffer()); this._confirmSubscription(dto.last_commit_position, dto.last_event_number); this._subscriptionId = dto.subscription_id; return new InspectionResult(InspectionDecision.Subscribed, "SubscriptionConfirmation"); } if (pkg.command == TcpCommand.PersistentSubscriptionStreamEventAppeared) { var dto = ClientMessage.PersistentSubscriptionStreamEventAppeared.decode(pkg.data.toBuffer()); this._onEventAppeared(new results.ResolvedEvent(dto.event)); return new InspectionResult(InspectionDecision.DoNothing, "StreamEventAppeared"); } if (pkg.command == TcpCommand.SubscriptionDropped) { var dto = ClientMessage.SubscriptionDropped.decode(pkg.data.toBuffer()); if (dto.reason == ClientMessage.SubscriptionDropped.SubscriptionDropReason.AccessDenied) { this.dropSubscription(SubscriptionDropReason.AccessDenied, new Error("You do not have access to the stream.")); return new InspectionResult(InspectionDecision.EndOperation, "SubscriptionDropped"); } if (dto.reason == ClientMessage.SubscriptionDropped.SubscriptionDropReason.NotFound) { this.dropSubscription(SubscriptionDropReason.NotFound, new Error("Subscription not found")); return new InspectionResult(InspectionDecision.EndOperation, "SubscriptionDropped"); } if (dto.reason == ClientMessage.SubscriptionDropped.SubscriptionDropReason.PersistentSubscriptionDeleted) { this.dropSubscription(SubscriptionDropReason.PersistentSubscriptionDeleted, new Error("Persistent subscription deleted.")); return new InspectionResult(InspectionDecision.EndOperation, "SubscriptionDropped"); } if (dto.reason == ClientMessage.SubscriptionDropped.SubscriptionDropReason.SubscriberMaxCountReached) { this.dropSubscription(SubscriptionDropReason.MaxSubscribersReached, new Error("Maximum subscribers reached.")); return new InspectionResult(InspectionDecision.EndOperation, "SubscriptionDropped"); } this.dropSubscription(SubscriptionDropReason.UserInitiated, null, this._getConnection()); return new InspectionResult(InspectionDecision.EndOperation, "SubscriptionDropped"); } return null; }; ConnectToPersistentSubscriptionOperation.prototype._createSubscriptionObject = function(lastCommitPosition, lastEventNumber) { return new PersistentEventStoreSubscription(this, this._streamId, lastCommitPosition, lastEventNumber); }; ConnectToPersistentSubscriptionOperation.prototype.notifyEventsProcessed = function(processedEvents) { ensure.notNull(processedEvents, "processedEvents"); var dto = new ClientMessage.PersistentSubscriptionAckEvents({ subscription_id: this._subscriptionId, processed_event_ids: processedEvents.map(function (x) { return new Buffer(uuid.parse(x)); }) }); var pkg = new TcpPackage(TcpCommand.PersistentSubscriptionAckEvents, this._userCredentials !== null ? TcpFlags.Authenticated : TcpFlags.None, this._correlationId, this._userCredentials !== null ? this._userCredentials.username : null, this._userCredentials !== null ? this._userCredentials.password : null, createBufferSegment(dto.encode().toBuffer())); this._enqueueSend(pkg); }; ConnectToPersistentSubscriptionOperation.prototype.notifyEventsFailed = function(processedEvents, action, reason) { ensure.notNull(processedEvents, "processedEvents"); ensure.notNull(reason, "reason"); var dto = new ClientMessage.PersistentSubscriptionNakEvents( this._subscriptionId, processedEvents.map(function(x) { return new Buffer(uuid.parse(x)); }), reason, action); var pkg = new TcpPackage(TcpCommand.PersistentSubscriptionNakEvents, this._userCredentials != null ? TcpFlags.Authenticated : TcpFlags.None, this._correlationId, this._userCredentials != null ? this._userCredentials.username : null, this._userCredentials != null ? this._userCredentials.password : null, createBufferSegment(dto.toBuffer())); this._enqueueSend(pkg); }; module.exports = ConnectToPersistentSubscriptionOperation; /***/ }, /* 32 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var EventStoreSubscription = __webpack_require__(30); function PersistentEventStoreSubscription(subscriptionOperation, streamId, lastCommitPosition, lastEventNumber) { EventStoreSubscription.call(this, streamId, lastCommitPosition, lastEventNumber); this._subscriptionOperation = subscriptionOperation; } util.inherits(PersistentEventStoreSubscription, EventStoreSubscription); PersistentEventStoreSubscription.prototype.unsubscribe = function() { this._subscriptionOperation.unsubscribe(); }; PersistentEventStoreSubscription.prototype.notifyEventsProcessed = function(processedEvents) { this._subscriptionOperation.notifyEventsProcessed(processedEvents); }; PersistentEventStoreSubscription.prototype.notifyEventsFailed = function(processedEvents, action, reason) { this._subscriptionOperation.notifyEventsFailed(processedEvents, action, reason); }; module.exports = PersistentEventStoreSubscription; /***/ }, /* 33 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var results = __webpack_require__(3); var WrongExpectedVersionError = __webpack_require__(34); var StreamDeletedError = __webpack_require__(35); var AccessDeniedError = __webpack_require__(36); var OperationBase = __webpack_require__(37); function DeleteStreamOperation(log, cb, requireMaster, stream, expectedVersion, hardDelete, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.DeleteStream, TcpCommand.DeleteStreamCompleted, userCredentials); this._responseType = ClientMessage.DeleteStreamCompleted; this._requireMaster = requireMaster; this._stream = stream; this._expectedVersion = expectedVersion; this._hardDelete = hardDelete; } util.inherits(DeleteStreamOperation, OperationBase); DeleteStreamOperation.prototype._createRequestDto = function() { return new ClientMessage.DeleteStream(this._stream, this._expectedVersion, this._requireMaster, this._hardDelete); }; DeleteStreamOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.OperationResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.OperationResult.PrepareTimeout: return new InspectionResult(InspectionDecision.Retry, "PrepareTimeout"); case ClientMessage.OperationResult.CommitTimeout: return new InspectionResult(InspectionDecision.Retry, "CommitTimeout"); case ClientMessage.OperationResult.ForwardTimeout: return new InspectionResult(InspectionDecision.Retry, "ForwardTimeout"); case ClientMessage.OperationResult.WrongExpectedVersion: this.fail(new WrongExpectedVersionError("Delete", this._stream, this._expectedVersion)); return new InspectionResult(InspectionDecision.EndOperation, "WrongExpectedVersion"); case ClientMessage.OperationResult.StreamDeleted: this.fail(new StreamDeletedError(this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.OperationResult.InvalidTransaction: this.fail(new Error("Invalid transaction.")); return new InspectionResult(InspectionDecision.EndOperation, "InvalidTransaction"); case ClientMessage.OperationResult.AccessDenied: this.fail(new AccessDeniedError("Delete", this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected OperationResult: %d.", response.result)); } }; DeleteStreamOperation.prototype._transformResponse = function(response) { return new results.DeleteResult(new results.Position(response.prepare_position || -1, response.commit_position || -1)); }; DeleteStreamOperation.prototype.toString = function() { return util.format("Stream: %s, ExpectedVersion: %s.", this._stream, this._expectedVersion); }; module.exports = DeleteStreamOperation; /***/ }, /* 34 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); function WrongExpectedVersionError(action, stream, expectedVersion) { Error.captureStackTrace(this, this.constructor); this.name = this.constructor.name; this.message = util.format("%s failed due to WrongExpectedVersion. Stream: %s Expected version: %d.", action, stream, expectedVersion); this.action = action; this.stream = stream; this.expectedVersion = expectedVersion; } util.inherits(WrongExpectedVersionError, Error); module.exports = WrongExpectedVersionError; /***/ }, /* 35 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); function StreamDeletedError(stream) { Error.captureStackTrace(this, this.constructor); this.name = this.constructor.name; this.message = util.format("Event stream '%s' is deleted.", stream); this.stream = stream; } util.inherits(StreamDeletedError, Error); module.exports = StreamDeletedError; /***/ }, /* 36 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); function AccessDeniedError(action, stream) { Error.captureStackTrace(this, this.constructor); this.name = this.constructor.name; this.message = util.format("%s access denied for stream '%s'.", action, stream); this.action = action; this.stream = stream; } util.inherits(AccessDeniedError, Error); module.exports = AccessDeniedError; /***/ }, /* 37 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var TcpPackage = __webpack_require__(17); var TcpCommand = __webpack_require__(19); var TcpFlags = __webpack_require__(18); var InspectionDecision = __webpack_require__(26); var ClientMessage = __webpack_require__(28); var InspectionResult = __webpack_require__(27); var createBufferSegment = __webpack_require__(14); function OperationBase(log, cb, requestCommand, responseCommand, userCredentials) { this.log = log; this._cb = cb; this._requestCommand = requestCommand; this._responseCommand = responseCommand; this.userCredentials = userCredentials; this._completed = false; this._response = null; this._responseType = null; } OperationBase.prototype._createRequestDto = function() { throw new Error('_createRequestDto not implemented.'); }; OperationBase.prototype._inspectResponse = function() { throw new Error('_inspectResponse not implemented.'); }; OperationBase.prototype._transformResponse = function() { throw new Error('_transformResponse not implemented.'); }; OperationBase.prototype.fail = function(error) { this._completed = true; this._cb(error); }; OperationBase.prototype._succeed = function() { if (!this._completed) { this._completed = true; if (this._response != null) this._cb(null, this._transformResponse(this._response)); else this._cb(new Error("No result.")) } }; OperationBase.prototype.createNetworkPackage = function(correlationId) { var dto = this._createRequestDto(); var buf = dto.toBuffer(); return new TcpPackage( this._requestCommand, this.userCredentials ? TcpFlags.Authenticated : TcpFlags.None, correlationId, this.userCredentials ? this.userCredentials.username : null, this.userCredentials ? this.userCredentials.password : null, createBufferSegment(buf)); }; OperationBase.prototype.inspectPackage = function(pkg) { try { if (pkg.command === this._responseCommand) { this._response = this._responseType.decode(pkg.data.toBuffer()); return this._inspectResponse(this._response); } switch (pkg.command) { case TcpCommand.NotAuthenticated: return this._inspectNotAuthenticated(pkg); case TcpCommand.BadRequest: return this._inspectBadRequest(pkg); case TcpCommand.NotHandled: return this._inspectNotHandled(pkg); default: return this._inspectUnexpectedCommand(package, this._responseCommand); } } catch(e) { this.fail(e); return new InspectionResult(InspectionDecision.EndOperation, "Error - " + e.message); } }; OperationBase.prototype._inspectNotAuthenticated = function(pkg) { var message = ''; try { message = pkg.data.toString(); } catch(e) {} //TODO typed error this.fail(new Error("Authentication error: " + message)); return new InspectionResult(InspectionDecision.EndOperation, "NotAuthenticated"); }; OperationBase.prototype._inspectBadRequest = function(pkg) { var message = ''; try { message = pkg.data.toString(); } catch(e) {} //TODO typed error this.fail(new Error("Bad request: " + message)); return new InspectionResult(InspectionDecision.EndOperation, "BadRequest - " + message); }; OperationBase.prototype._inspectNotHandled = function(pkg) { var message = ClientMessage.NotHandled.decode(pkg.data.toBuffer()); switch (message.reason) { case ClientMessage.NotHandled.NotHandledReason.NotReady: return new InspectionResult(InspectionDecision.Retry, "NotHandled - NotReady"); case ClientMessage.NotHandled.NotHandledReason.TooBusy: return new InspectionResult(InspectionDecision.Retry, "NotHandled - TooBusy"); case ClientMessage.NotHandled.NotHandledReason.NotMaster: var masterInfo = ClientMessage.NotHandled.MasterInfo.decode(message.additional_info); return new new InspectionResult(InspectionDecision.Reconnect, "NotHandled - NotMaster", {host: masterInfo.external_tcp_address, port: masterInfo.external_tcp_port}, {host: masterInfo.external_secure_tcp_address, port: masterInfo.external_secure_tcp_port}); default: this.log.error("Unknown NotHandledReason: %s.", message.reason); return new InspectionResult(InspectionDecision.Retry, "NotHandled - "); } }; OperationBase.prototype._inspectUnexpectedCommand = function(pkg, expectedCommand) { if (pkg.command == expectedCommand) throw new Error("Command shouldn't be " + TcpCommand.getName(pkg.command)); this.log.error("Unexpected TcpCommand received.\n" + "Expected: %s, Actual: %s, Flags: %s, CorrelationId: %s\n" + "Operation (%s): %s\n" +"TcpPackage Data Dump:\n%j", expectedCommand, TcpCommand.getName(pkg.command), pkg.flags, pkg.correlationId, this.constructor.name, this, pkg.data); this.fail(new Error(util.format("Unexpected command. Expecting %s got %s.", TcpCommand.getName(expectedCommand), TcpCommand.getName(pkg.command)))); return new InspectionResult(InspectionDecision.EndOperation, "Unexpected command - " + TcpCommand.getName(pkg.command)); }; module.exports = OperationBase; /***/ }, /* 38 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var WriteResult = __webpack_require__(3).WriteResult; var Position = __webpack_require__(3).Position; var WrongExpectedVersionError = __webpack_require__(34); var StreamDeletedError = __webpack_require__(35); var AccessDeniedError = __webpack_require__(36); var OperationBase = __webpack_require__(37); function AppendToStreamOperation(log, cb, requireMaster, stream, expectedVersion, events, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.WriteEvents, TcpCommand.WriteEventsCompleted, userCredentials); this._responseType = ClientMessage.WriteEventsCompleted; this._requireMaster = requireMaster; this._stream = stream; this._expectedVersion = expectedVersion; this._events = events; } util.inherits(AppendToStreamOperation, OperationBase); AppendToStreamOperation.prototype._createRequestDto = function() { var dtos = this._events.map(function(ev) { var eventId = new Buffer(uuid.parse(ev.eventId)); return new ClientMessage.NewEvent({ event_id: eventId, event_type: ev.type, data_content_type: ev.isJson ? 1 : 0, metadata_content_type: 0, data: ev.data, metadata: ev.metadata}); }); return new ClientMessage.WriteEvents({ event_stream_id: this._stream, expected_version: this._expectedVersion, events: dtos, require_master: this._requireMaster}); }; AppendToStreamOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.OperationResult.Success: if (this._wasCommitTimeout) this.log.debug("IDEMPOTENT WRITE SUCCEEDED FOR %s.", this); this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.OperationResult.PrepareTimeout: return new InspectionResult(InspectionDecision.Retry, "PrepareTimeout"); case ClientMessage.OperationResult.ForwardTimeout: return new InspectionResult(InspectionDecision.Retry, "ForwardTimeout"); case ClientMessage.OperationResult.CommitTimeout: this._wasCommitTimeout = true; return new InspectionResult(InspectionDecision.Retry, "CommitTimeout"); case ClientMessage.OperationResult.WrongExpectedVersion: this.fail(new WrongExpectedVersionError("Append", this._stream, this._expectedVersion)); return new InspectionResult(InspectionDecision.EndOperation, "WrongExpectedVersion"); case ClientMessage.OperationResult.StreamDeleted: this.fail(new StreamDeletedError(this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.OperationResult.InvalidTransaction: this.fail(new Error("Invalid transaction.")); return new InspectionResult(InspectionDecision.EndOperation, "InvalidTransaction"); case ClientMessage.OperationResult.AccessDenied: this.fail(new AccessDeniedError("Write", this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error("Unexpected OperationResult: " + response.result); } }; AppendToStreamOperation.prototype._transformResponse = function(response) { return new WriteResult(response.last_event_number, new Position(response.prepare_position || -1, response.commit_position || -1)); }; AppendToStreamOperation.prototype.toString = function() { return util.format("Stream: %s, ExpectedVersion: %d", this._stream, this._expectedVersion); }; module.exports = AppendToStreamOperation; /***/ }, /* 39 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var EventStoreTransaction = __webpack_require__(40); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function StartTransactionOperation(log, cb, requireMaster, stream, expectedVersion, parentConnection, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.TransactionStart, TcpCommand.TransactionStartCompleted, userCredentials); this._responseType = ClientMessage.TransactionStartCompleted; this._requireMaster = requireMaster; this._stream = stream; this._expectedVersion = expectedVersion; this._parentConnection = parentConnection; } util.inherits(StartTransactionOperation, OperationBase); StartTransactionOperation.prototype._createRequestDto = function() { return new ClientMessage.TransactionStart(this._stream, this._expectedVersion, this._requireMaster); }; StartTransactionOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.OperationResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.OperationResult.PrepareTimeout: return new InspectionResult(InspectionDecision.Retry, "PrepareTimeout"); case ClientMessage.OperationResult.CommitTimeout: return new InspectionResult(InspectionDecision.Retry, "CommitTimeout"); case ClientMessage.OperationResult.ForwardTimeout: return new InspectionResult(InspectionDecision.Retry, "ForwardTimeout"); case ClientMessage.OperationResult.WrongExpectedVersion: var err = util.format("Start transaction failed due to WrongExpectedVersion. Stream: %s, Expected version: %d.", this._stream, this._expectedVersion); this.fail(new Error(err)); return new InspectionResult(InspectionDecision.EndOperation, "WrongExpectedVersion"); case ClientMessage.OperationResult.StreamDeleted: this.fail(new Error("Stream deleted: " + this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.OperationResult.InvalidTransaction: this.fail(new Error("Invalid transaction.")); return new InspectionResult(InspectionDecision.EndOperation, "InvalidTransaction"); case ClientMessage.OperationResult.AccessDenied: this.fail(new Error(util.format("Write access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; StartTransactionOperation.prototype._transformResponse = function(response) { return new EventStoreTransaction(results.toNumber(response.transaction_id), this.userCredentials, this._parentConnection); }; StartTransactionOperation.prototype.toString = function() { return util.format("Stream: %s, ExpectedVersion: %d", this._stream, this._expectedVersion); }; module.exports = StartTransactionOperation; /***/ }, /* 40 */ /***/ function(module, exports) { /** * @param {number} transactionId * @param {UserCredentials} userCredentials * @param {EventStoreNodeConnection} connection * @constructor * @property {number} transactionId */ function EventStoreTransaction(transactionId, userCredentials, connection) { this._transactionId = transactionId; this._userCredentials = userCredentials; this._connection = connection; this._isCommitted = false; this._isRolledBack = false; } Object.defineProperty(EventStoreTransaction.prototype, 'transactionId', { get: function() { return this._transactionId; } }); /** * Commit (async) * @returns {Promise.} */ EventStoreTransaction.prototype.commit = function() { if (this._isRolledBack) throw new Error("Can't commit a rolledback transaction."); if (this._isCommitted) throw new Error("Transaction is already committed."); this._isCommitted = true; return this._connection.commitTransaction(this, this._userCredentials); }; /** * Write events (async) * @param {Array.} events * @returns {Promise} */ EventStoreTransaction.prototype.write = function(events) { if (this._isRolledBack) throw new Error("can't write to a rolledback transaction"); if (this._isCommitted) throw new Error("Transaction is already committed"); if (!Array.isArray(events)) throw new Error("events must be an array."); return this._connection.transactionalWrite(this, events); }; /** * Rollback */ EventStoreTransaction.prototype.rollback = function() { if (this._isCommitted) throw new Error("Transaction is already committed"); this._isRolledBack = true; }; module.exports = EventStoreTransaction; /***/ }, /* 41 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var OperationBase = __webpack_require__(37); function TransactionalWriteOperation(log, cb, requireMaster, transactionId, events, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.TransactionWrite, TcpCommand.TransactionWriteCompleted, userCredentials); this._responseType = ClientMessage.TransactionWriteCompleted; this._requireMaster = requireMaster; this._transactionId = transactionId; this._events = events; } util.inherits(TransactionalWriteOperation, OperationBase); TransactionalWriteOperation.prototype._createRequestDto = function() { var dtos = this._events.map(function(ev) { var eventId = new Buffer(uuid.parse(ev.eventId)); return new ClientMessage.NewEvent({ event_id: eventId, event_type: ev.type, data_content_type: ev.isJson ? 1 : 0, metadata_content_type: 0, data: ev.data, metadata: ev.metadata}); }); return new ClientMessage.TransactionWrite(this._transactionId, dtos, this._requireMaster); }; TransactionalWriteOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.OperationResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.OperationResult.PrepareTimeout: return new InspectionResult(InspectionDecision.Retry, "PrepareTimeout"); case ClientMessage.OperationResult.CommitTimeout: return new InspectionResult(InspectionDecision.Retry, "CommitTimeout"); case ClientMessage.OperationResult.ForwardTimeout: return new InspectionResult(InspectionDecision.Retry, "ForwardTimeout"); case ClientMessage.OperationResult.AccessDenied: this.fail(new Error("Write access denied.")); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; TransactionalWriteOperation.prototype._transformResponse = function(response) { return null; }; TransactionalWriteOperation.prototype.toString = function() { return util.format("TransactionId: %s", this._transactionId); }; module.exports = TransactionalWriteOperation; /***/ }, /* 42 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var ClientMessage = __webpack_require__(28); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function CommitTransactionOperation(log, cb, requireMaster, transactionId, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.TransactionCommit, TcpCommand.TransactionCommitCompleted, userCredentials); this._responseType = ClientMessage.TransactionCommitCompleted; this._requireMaster = requireMaster; this._transactionId = transactionId; } util.inherits(CommitTransactionOperation, OperationBase); CommitTransactionOperation.prototype._createRequestDto = function() { return new ClientMessage.TransactionCommit(this._transactionId, this._requireMaster); }; CommitTransactionOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.OperationResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.OperationResult.PrepareTimeout: return new InspectionResult(InspectionDecision.Retry, "PrepareTimeout"); case ClientMessage.OperationResult.CommitTimeout: return new InspectionResult(InspectionDecision.Retry, "CommitTimeout"); case ClientMessage.OperationResult.ForwardTimeout: return new InspectionResult(InspectionDecision.Retry, "ForwardTimeout"); case ClientMessage.OperationResult.WrongExpectedVersion: var err = util.format("Commit transaction failed due to WrongExpectedVersion. TransactionID: %d.", this._transactionId); this.fail(new Error(err)); return new InspectionResult(InspectionDecision.EndOperation, "WrongExpectedVersion"); case ClientMessage.OperationResult.StreamDeleted: this.fail(new Error("Stream deleted.")); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.OperationResult.InvalidTransaction: this.fail(new Error("Invalid transaction.")); return new InspectionResult(InspectionDecision.EndOperation, "InvalidTransaction"); case ClientMessage.OperationResult.AccessDenied: this.fail(new Error("Write access denied.")); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; CommitTransactionOperation.prototype._transformResponse = function(response) { var logPosition = new results.Position(response.prepare_position || -1, response.commit_position || -1); return new results.WriteResult(response.last_event_number, logPosition); }; CommitTransactionOperation.prototype.toString = function() { return util.format("TransactionId: %s", this._transactionId); }; module.exports = CommitTransactionOperation; /***/ }, /* 43 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var AccessDeniedError = __webpack_require__(36); var OperationBase = __webpack_require__(37); function ReadEventOperation(log, cb, stream, eventNumber, resolveLinkTos, requireMaster, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.ReadEvent, TcpCommand.ReadEventCompleted, userCredentials); this._responseType = ClientMessage.ReadEventCompleted; this._stream = stream; this._eventNumber = eventNumber; this._resolveLinkTos = resolveLinkTos; this._requireMaster = requireMaster; } util.inherits(ReadEventOperation, OperationBase); ReadEventOperation.prototype._createRequestDto = function() { return new ClientMessage.ReadEvent(this._stream, this._eventNumber, this._resolveLinkTos, this._requireMaster); }; ReadEventOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.ReadEventCompleted.ReadEventResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.ReadEventCompleted.ReadEventResult.NotFound: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "NotFound"); case ClientMessage.ReadEventCompleted.ReadEventResult.NoStream: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "NoStream"); case ClientMessage.ReadEventCompleted.ReadEventResult.StreamDeleted: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.ReadEventCompleted.ReadEventResult.Error: this.fail(new Error("Server error: " + response.error)); return new InspectionResult(InspectionDecision.EndOperation, "Error"); case ClientMessage.ReadEventCompleted.ReadEventResult.AccessDenied: this.fail(new AccessDeniedError("Read", this._stream)); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected ReadEventResult: %s.", response.result)); } }; ReadEventOperation.prototype._transformResponse = function(response) { return new results.EventReadResult(convert(response.result), this._stream, this._eventNumber, response.event); }; function convert(result) { switch (result) { case ClientMessage.ReadEventCompleted.ReadEventResult.Success: return results.EventReadStatus.Success; case ClientMessage.ReadEventCompleted.ReadEventResult.NotFound: return results.EventReadStatus.NotFound; case ClientMessage.ReadEventCompleted.ReadEventResult.NoStream: return results.EventReadStatus.NoStream; case ClientMessage.ReadEventCompleted.ReadEventResult.StreamDeleted: return results.EventReadStatus.StreamDeleted; default: throw new Error(util.format("Unexpected ReadEventResult: %s.", result)); } } ReadEventOperation.prototype.toString = function() { return util.format("Stream: %s, EventNumber: %s, ResolveLinkTo: %s, RequireMaster: %s", this._stream, this._eventNumber, this._resolveLinkTos, this._requireMaster); }; module.exports = ReadEventOperation; /***/ }, /* 44 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var ReadDirection = __webpack_require__(45); var StatusCode = __webpack_require__(46); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function ReadStreamEventsForwardOperation( log, cb, stream, fromEventNumber, maxCount, resolveLinkTos, requireMaster, userCredentials ) { OperationBase.call(this, log, cb, TcpCommand.ReadStreamEventsForward, TcpCommand.ReadStreamEventsForwardCompleted, userCredentials); this._responseType = ClientMessage.ReadStreamEventsCompleted; this._stream = stream; this._fromEventNumber = fromEventNumber; this._maxCount = maxCount; this._resolveLinkTos = resolveLinkTos; this._requireMaster = requireMaster; } util.inherits(ReadStreamEventsForwardOperation, OperationBase); ReadStreamEventsForwardOperation.prototype._createRequestDto = function() { return new ClientMessage.ReadStreamEvents(this._stream, this._fromEventNumber, this._maxCount, this._resolveLinkTos, this._requireMaster); }; ReadStreamEventsForwardOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.StreamDeleted: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.NoStream: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "NoStream"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.Error: this.fail(new Error("Server error: " + response.error)); return new InspectionResult(InspectionDecision.EndOperation, "Error"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.AccessDenied: this.fail(new Error(util.format("Read access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected ReadStreamResult: %s.", response.result)); } }; ReadStreamEventsForwardOperation.prototype._transformResponse = function(response) { return new results.StreamEventsSlice( StatusCode.convert(response.result), this._stream, this._fromEventNumber, ReadDirection.Forward, response.events, response.next_event_number, response.last_event_number, response.is_end_of_stream ) }; ReadStreamEventsForwardOperation.prototype.toString = function() { return util.format("Stream: %s, FromEventNumber: %d, MaxCount: %d, ResolveLinkTos: %s, RequireMaster: %s", this._stream, this._fromEventNumber, this._maxCount, this._resolveLinkTos, this._requireMaster); }; module.exports = ReadStreamEventsForwardOperation; /***/ }, /* 45 */ /***/ function(module, exports) { const ReadDirection = { Forward: 'forward', Backward: 'backward' }; module.exports = ReadDirection; /***/ }, /* 46 */ /***/ function(module, exports, __webpack_require__) { var ClientMessage = __webpack_require__(28); var SliceReadStatus = __webpack_require__(47); module.exports = {}; module.exports.convert = function(code) { switch(code) { case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.Success: return SliceReadStatus.Success; case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.NoStream: return SliceReadStatus.StreamNotFound; case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.StreamDeleted: return SliceReadStatus.StreamDeleted; default: throw new Error('Invalid code: ' + code) } }; /***/ }, /* 47 */ /***/ function(module, exports) { const SliceReadStatus = { Success: 'success', StreamNotFound: 'streamNotFound', StreamDeleted: 'streamDeleted' }; module.exports = SliceReadStatus; /***/ }, /* 48 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var ReadDirection = __webpack_require__(45); var StatusCode = __webpack_require__(46); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function ReadStreamEventsBackwardOperation( log, cb, stream, fromEventNumber, maxCount, resolveLinkTos, requireMaster, userCredentials ) { OperationBase.call(this, log, cb, TcpCommand.ReadStreamEventsBackward, TcpCommand.ReadStreamEventsBackwardCompleted, userCredentials); this._responseType = ClientMessage.ReadStreamEventsCompleted; this._stream = stream; this._fromEventNumber = fromEventNumber; this._maxCount = maxCount; this._resolveLinkTos = resolveLinkTos; this._requireMaster = requireMaster; } util.inherits(ReadStreamEventsBackwardOperation, OperationBase); ReadStreamEventsBackwardOperation.prototype._createRequestDto = function() { return new ClientMessage.ReadStreamEvents(this._stream, this._fromEventNumber, this._maxCount, this._resolveLinkTos, this._requireMaster); }; ReadStreamEventsBackwardOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.StreamDeleted: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "StreamDeleted"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.NoStream: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "NoStream"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.Error: this.fail(new Error("Server error: " + response.error)); return new InspectionResult(InspectionDecision.EndOperation, "Error"); case ClientMessage.ReadStreamEventsCompleted.ReadStreamResult.AccessDenied: this.fail(new Error(util.format("Read access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected ReadStreamResult: %s.", response.result)); } }; ReadStreamEventsBackwardOperation.prototype._transformResponse = function(response) { return new results.StreamEventsSlice( StatusCode.convert(response.result), this._stream, this._fromEventNumber, ReadDirection.Backward, response.events, response.next_event_number, response.last_event_number, response.is_end_of_stream ) }; ReadStreamEventsBackwardOperation.prototype.toString = function() { return util.format("Stream: %s, FromEventNumber: %d, MaxCount: %d, ResolveLinkTos: %s, RequireMaster: %s", this._stream, this._fromEventNumber, this._maxCount, this._resolveLinkTos, this._requireMaster); }; module.exports = ReadStreamEventsBackwardOperation; /***/ }, /* 49 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var ReadDirection = __webpack_require__(45); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function ReadAllEventsForwardOperation( log, cb, position, maxCount, resolveLinkTos, requireMaster, userCredentials ) { OperationBase.call(this, log, cb, TcpCommand.ReadAllEventsForward, TcpCommand.ReadAllEventsForwardCompleted, userCredentials); this._responseType = ClientMessage.ReadAllEventsCompleted; this._position = position; this._maxCount = maxCount; this._resolveLinkTos = resolveLinkTos; this._requireMaster = requireMaster; } util.inherits(ReadAllEventsForwardOperation, OperationBase); ReadAllEventsForwardOperation.prototype._createRequestDto = function() { return new ClientMessage.ReadAllEvents(this._position.commitPosition, this._position.preparePosition, this._maxCount, this._resolveLinkTos, this._requireMaster); }; ReadAllEventsForwardOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.ReadAllEventsCompleted.ReadAllResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.ReadAllEventsCompleted.ReadAllResult.Error: this.fail(new Error("Server error: " + response.error)); return new InspectionResult(InspectionDecision.EndOperation, "Error"); case ClientMessage.ReadAllEventsCompleted.ReadAllResult.AccessDenied: this.fail(new Error("Read access denied for $all.")); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected ReadStreamResult: %s.", response.result)); } }; ReadAllEventsForwardOperation.prototype._transformResponse = function(response) { return new results.AllEventsSlice( ReadDirection.Forward, new results.Position(response.commit_position, response.prepare_position), new results.Position(response.next_commit_position, response.next_prepare_position), response.events ) }; ReadAllEventsForwardOperation.prototype.toString = function() { return util.format("Position: %j, MaxCount: %d, ResolveLinkTos: %s, RequireMaster: %s", this._position, this._maxCount, this._resolveLinkTos, this._requireMaster); }; module.exports = ReadAllEventsForwardOperation; /***/ }, /* 50 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var ReadDirection = __webpack_require__(45); var InspectionResult = __webpack_require__(27); var InspectionDecision = __webpack_require__(26); var results = __webpack_require__(3); var OperationBase = __webpack_require__(37); function ReadAllEventsBackwardOperation( log, cb, position, maxCount, resolveLinkTos, requireMaster, userCredentials ) { OperationBase.call(this, log, cb, TcpCommand.ReadAllEventsBackward, TcpCommand.ReadAllEventsBackwardCompleted, userCredentials); this._responseType = ClientMessage.ReadAllEventsCompleted; this._position = position; this._maxCount = maxCount; this._resolveLinkTos = resolveLinkTos; this._requireMaster = requireMaster; } util.inherits(ReadAllEventsBackwardOperation, OperationBase); ReadAllEventsBackwardOperation.prototype._createRequestDto = function() { return new ClientMessage.ReadAllEvents(this._position.commitPosition, this._position.preparePosition, this._maxCount, this._resolveLinkTos, this._requireMaster); }; ReadAllEventsBackwardOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.ReadAllEventsCompleted.ReadAllResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.ReadAllEventsCompleted.ReadAllResult.Error: this.fail(new Error("Server error: " + response.error)); return new InspectionResult(InspectionDecision.EndOperation, "Error"); case ClientMessage.ReadAllEventsCompleted.ReadAllResult.AccessDenied: this.fail(new Error("Read access denied for $all.")); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); default: throw new Error(util.format("Unexpected ReadStreamResult: %s.", response.result)); } }; ReadAllEventsBackwardOperation.prototype._transformResponse = function(response) { return new results.AllEventsSlice( ReadDirection.Backward, new results.Position(response.commit_position, response.prepare_position), new results.Position(response.next_commit_position, response.next_prepare_position), response.events ) }; ReadAllEventsBackwardOperation.prototype.toString = function() { return util.format("Position: %j, MaxCount: %d, ResolveLinkTos: %s, RequireMaster: %s", this._position, this._maxCount, this._resolveLinkTos, this._requireMaster); }; module.exports = ReadAllEventsBackwardOperation; /***/ }, /* 51 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var ensure = __webpack_require__(5); var OperationBase = __webpack_require__(37); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var SystemConsumerStrategies = __webpack_require__(52); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var results = __webpack_require__(3); function CreatePersistentSubscriptionOperation(log, cb, stream, groupName, settings, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.CreatePersistentSubscription, TcpCommand.CreatePersistentSubscriptionCompleted, userCredentials); ensure.notNull(settings, "settings"); this._resolveLinkTos = settings.resolveLinkTos; this._stream = stream; this._groupName = groupName; this._startFromBeginning = settings.startFrom; this._maxRetryCount = settings.maxRetryCount; this._liveBufferSize = settings.liveBufferSize; this._readBatchSize = settings.readBatchSize; this._bufferSize = settings.historyBufferSize; this._recordStatistics = settings.extraStatistics; this._messageTimeoutMilliseconds = settings.messageTimeout; this._checkPointAfter = settings.checkPointAfter; this._minCheckPointCount = settings.minCheckPointCount; this._maxCheckPointCount = settings.maxCheckPointCount; this._maxSubscriberCount = settings.maxSubscriberCount; this._namedConsumerStrategy = settings.namedConsumerStrategy; this._responseType = ClientMessage.CreatePersistentSubscriptionCompleted; } util.inherits(CreatePersistentSubscriptionOperation, OperationBase); CreatePersistentSubscriptionOperation.prototype._createRequestDto = function() { return new ClientMessage.CreatePersistentSubscription(this._groupName, this._stream, this._resolveLinkTos, this._startFromBeginning, this._messageTimeoutMilliseconds, this._recordStatistics, this._liveBufferSize, this._readBatchSize, this._bufferSize, this._maxRetryCount, this._namedConsumerStrategy == SystemConsumerStrategies.RoundRobin, this._checkPointAfter, this._maxCheckPointCount, this._minCheckPointCount, this._maxSubscriberCount, this._namedConsumerStrategy); }; CreatePersistentSubscriptionOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.CreatePersistentSubscriptionCompleted.CreatePersistentSubscriptionResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.CreatePersistentSubscriptionCompleted.CreatePersistentSubscriptionResult.Fail: this.fail(new Error(util.format("Subscription group %s on stream %s failed '%s'", this._groupName, this._stream, response.reason))); return new InspectionResult(InspectionDecision.EndOperation, "Fail"); case ClientMessage.CreatePersistentSubscriptionCompleted.CreatePersistentSubscriptionResult.AccessDenied: this.fail(new Error(util.format("Write access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); case ClientMessage.CreatePersistentSubscriptionCompleted.CreatePersistentSubscriptionResult.AlreadyExists: this.fail(new Error(util.format("Subscription group %s on stream %s already exists", this._groupName, this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AlreadyExists"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; CreatePersistentSubscriptionOperation.prototype._transformResponse = function(response) { return new results.PersistentSubscriptionCreateResult(results.PersistentSubscriptionCreateStatus.Success); }; CreatePersistentSubscriptionOperation.prototype.toString = function() { return util.format("Stream: %s, Group Name: %s", this._stream, this._groupName); }; module.exports = CreatePersistentSubscriptionOperation; /***/ }, /* 52 */ /***/ function(module, exports) { const SystemConsumerStrategies = { DispatchToSingle: 'DispatchToSingle', RoundRobin: 'RoundRobin', Pinned: 'Pinned' }; module.exports = SystemConsumerStrategies; /***/ }, /* 53 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var ensure = __webpack_require__(5); var OperationBase = __webpack_require__(37); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var SystemConsumerStrategies = __webpack_require__(52); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var results = __webpack_require__(3); function UpdatePersistentSubscriptionOperation(log, cb, stream, groupName, settings, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.UpdatePersistentSubscription, TcpCommand.UpdatePersistentSubscriptionCompleted, userCredentials); ensure.notNull(settings, "settings"); this._resolveLinkTos = settings.resolveLinkTos; this._stream = stream; this._groupName = groupName; this._startFromBeginning = settings.startFrom; this._maxRetryCount = settings.maxRetryCount; this._liveBufferSize = settings.liveBufferSize; this._readBatchSize = settings.readBatchSize; this._bufferSize = settings.historyBufferSize; this._recordStatistics = settings.extraStatistics; this._messageTimeoutMilliseconds = settings.messageTimeout; this._checkPointAfter = settings.checkPointAfter; this._minCheckPointCount = settings.minCheckPointCount; this._maxCheckPointCount = settings.maxCheckPointCount; this._maxSubscriberCount = settings.maxSubscriberCount; this._namedConsumerStrategy = settings.namedConsumerStrategy; this._responseType = ClientMessage.UpdatePersistentSubscriptionCompleted; } util.inherits(UpdatePersistentSubscriptionOperation, OperationBase); UpdatePersistentSubscriptionOperation.prototype._createRequestDto = function() { return new ClientMessage.UpdatePersistentSubscription(this._groupName, this._stream, this._resolveLinkTos, this._startFromBeginning, this._messageTimeoutMilliseconds, this._recordStatistics, this._liveBufferSize, this._readBatchSize, this._bufferSize, this._maxRetryCount, this._namedConsumerStrategy == SystemConsumerStrategies.RoundRobin, this._checkPointAfter, this._maxCheckPointCount, this._minCheckPointCount, this._maxSubscriberCount, this._namedConsumerStrategy); }; UpdatePersistentSubscriptionOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.UpdatePersistentSubscriptionCompleted.UpdatePersistentSubscriptionResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.UpdatePersistentSubscriptionCompleted.UpdatePersistentSubscriptionResult.Fail: this.fail(new Error(util.format("Subscription group %s on stream %s failed '%s'", this._groupName, this._stream, response.reason))); return new InspectionResult(InspectionDecision.EndOperation, "Fail"); case ClientMessage.UpdatePersistentSubscriptionCompleted.UpdatePersistentSubscriptionResult.AccessDenied: this.fail(new Error(util.format("Write access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); case ClientMessage.UpdatePersistentSubscriptionCompleted.UpdatePersistentSubscriptionResult.DoesNotExist: this.fail(new Error(util.format("Subscription group %s on stream %s does not exist", this._groupName, this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "DoesNotExist"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; UpdatePersistentSubscriptionOperation.prototype._transformResponse = function(response) { return new results.PersistentSubscriptionUpdateResult(results.PersistentSubscriptionUpdateStatus.Success); }; UpdatePersistentSubscriptionOperation.prototype.toString = function() { return util.format("Stream: %s, Group Name: %s", this._stream, this._groupName); }; module.exports = UpdatePersistentSubscriptionOperation; /***/ }, /* 54 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var uuid = __webpack_require__(2); var ensure = __webpack_require__(5); var OperationBase = __webpack_require__(37); var TcpCommand = __webpack_require__(19); var ClientMessage = __webpack_require__(28); var InspectionDecision = __webpack_require__(26); var InspectionResult = __webpack_require__(27); var results = __webpack_require__(3); function DeletePersistentSubscriptionOperation(log, cb, stream, groupName, userCredentials) { OperationBase.call(this, log, cb, TcpCommand.DeletePersistentSubscription, TcpCommand.DeletePersistentSubscriptionCompleted, userCredentials); this._stream = stream; this._groupName = groupName; this._responseType = ClientMessage.DeletePersistentSubscriptionCompleted; } util.inherits(DeletePersistentSubscriptionOperation, OperationBase); DeletePersistentSubscriptionOperation.prototype._createRequestDto = function() { return new ClientMessage.DeletePersistentSubscription(this._groupName, this._stream); }; DeletePersistentSubscriptionOperation.prototype._inspectResponse = function(response) { switch (response.result) { case ClientMessage.DeletePersistentSubscriptionCompleted.DeletePersistentSubscriptionResult.Success: this._succeed(); return new InspectionResult(InspectionDecision.EndOperation, "Success"); case ClientMessage.DeletePersistentSubscriptionCompleted.DeletePersistentSubscriptionResult.Fail: this.fail(new Error(util.format("Subscription group %s on stream %s failed '%s'", this._groupName, this._stream, response.reason))); return new InspectionResult(InspectionDecision.EndOperation, "Fail"); case ClientMessage.DeletePersistentSubscriptionCompleted.DeletePersistentSubscriptionResult.AccessDenied: this.fail(new Error(util.format("Write access denied for stream '%s'.", this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "AccessDenied"); case ClientMessage.DeletePersistentSubscriptionCompleted.DeletePersistentSubscriptionResult.DoesNotExist: this.fail(new Error(util.format("Subscription group %s on stream %s does not exist", this._groupName, this._stream))); return new InspectionResult(InspectionDecision.EndOperation, "DoesNotExist"); default: throw new Error(util.format("Unexpected OperationResult: %s.", response.result)); } }; DeletePersistentSubscriptionOperation.prototype._transformResponse = function(response) { return new results.PersistentSubscriptionDeleteResult(results.PersistentSubscriptionDeleteStatus.Success); }; DeletePersistentSubscriptionOperation.prototype.toString = function() { return util.format("Stream: %s, Group Name: %s", this._stream, this._groupName); }; module.exports = DeletePersistentSubscriptionOperation; /***/ }, /* 55 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var EventStoreCatchUpSubscription = __webpack_require__(56); var SliceReadStatus = __webpack_require__(47); function EventStoreStreamCatchUpSubscription( connection, log, streamId, fromEventNumberExclusive, resolveLinkTos, userCredentials, eventAppeared, liveProcessingStarted, subscriptionDropped, verboseLogging, readBatchSize ){ EventStoreCatchUpSubscription.call(this, connection, log, streamId, resolveLinkTos, userCredentials, eventAppeared, liveProcessingStarted, subscriptionDropped, verboseLogging, readBatchSize); //Ensure.NotNullOrEmpty(streamId, "streamId"); this._lastProcessedEventNumber = fromEventNumberExclusive || -1; this._nextReadEventNumber = fromEventNumberExclusive || 0; } util.inherits(EventStoreStreamCatchUpSubscription, EventStoreCatchUpSubscription); EventStoreStreamCatchUpSubscription.prototype._readEventsTill = function( connection, resolveLinkTos, userCredentials, lastCommitPosition, lastEventNumber ) { var self = this; function processEvents(events, index) { index = index || 0; if (index >= events.length) return Promise.resolve(); return new Promise(function(resolve, reject) { self._tryProcess(events[index]); resolve(); }) .then(function() { return processEvents(events, index + 1); }); } function readNext() { return connection.readStreamEventsForward(self.streamId, self._nextReadEventNumber, self.readBatchSize, resolveLinkTos, userCredentials) .then(function(slice) { switch(slice.status) { case SliceReadStatus.Success: return processEvents(slice.events) .then(function() { self._nextReadEventNumber = slice.nextEventNumber; var done = Promise.resolve(lastEventNumber === null ? slice.isEndOfStream : slice.nextEventNumber > lastEventNumber); if (!done && slice.isEndOfStream) return done.delay(10); return done; }); break; case SliceReadStatus.StreamNotFound: if (lastEventNumber && lastEventNumber !== -1) throw new Error(util.format("Impossible: stream %s disappeared in the middle of catching up subscription.", self.streamId)); return true; case SliceReadStatus.StreamDeleted: throw new Error("Stream deleted: " + self.streamId); default: throw new Error("Unexpected StreamEventsSlice.Status: %s.", slice.status); } }) .then(function(done) { if (done || self._shouldStop) return; return readNext(); }) } return readNext() .then(function() { if (self._verbose) self._log.debug("Catch-up Subscription to %s: finished reading events, nextReadEventNumber = %d.", self.isSubscribedToAll ? '' : self.streamId, self._nextReadEventNumber); }); }; EventStoreStreamCatchUpSubscription.prototype._tryProcess = function(e) { var processed = false; if (e.originalEventNumber > this._lastProcessedEventNumber) { this._eventAppeared(this, e); this._lastProcessedEventNumber = e.originalEventNumber; processed = true; } if (this._verbose) this._log.debug("Catch-up Subscription to %s: %s event (%s, %d, %s @ %d).", this.isSubscribedToAll ? '' : this.streamId, processed ? "processed" : "skipping", e.originalEvent.eventStreamId, e.originalEvent.eventNumber, e.originalEvent.eventType, e.originalEventNumber) }; module.exports = EventStoreStreamCatchUpSubscription; /***/ }, /* 56 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var SubscriptionDropReason = __webpack_require__(23); var results = __webpack_require__(3); const DefaultReadBatchSize = 500; const DefaultMaxPushQueueSize = 10000; const MaxReadSize = 4096; function DropSubscriptionEvent() {} /** * @param connection * @param log * @param streamId * @param resolveLinkTos * @param userCredentials * @param eventAppeared * @param liveProcessingStarted * @param subscriptionDropped * @param verboseLogging * @param readBatchSize * @param maxPushQueueSize * @constructor * @property {boolean} isSubscribedToAll * @property {string} streamId * @property {number} readBatchSize * @property {number} maxPushQueueSize */ function EventStoreCatchUpSubscription( connection, log, streamId, resolveLinkTos, userCredentials, eventAppeared, liveProcessingStarted, subscriptionDropped, verboseLogging, readBatchSize, maxPushQueueSize ) { readBatchSize = readBatchSize || DefaultReadBatchSize; maxPushQueueSize = maxPushQueueSize || DefaultMaxPushQueueSize; //Ensure.NotNull(connection, "connection"); //Ensure.NotNull(log, "log"); //Ensure.NotNull(eventAppeared, "eventAppeared"); //Ensure.Positive(readBatchSize, "readBatchSize"); //Ensure.Positive(maxPushQueueSize, "maxPushQueueSize"); if (readBatchSize > MaxReadSize) throw new Error(util.format("Read batch size should be less than %d. For larger reads you should page.", MaxReadSize)); this._connection = connection; this._log = log; this._streamId = streamId || ''; this._resolveLinkTos = resolveLinkTos; this._userCredentials = userCredentials; this._shouldStop = false; this._stopped = false; this._isDropped = false; this._subscription = null; this._liveQueue = []; this._dropData = null; this._isProcessing = false; Object.defineProperties(this, { isSubscribedToAll: { value: this._streamId === '' }, streamId: { value: this._streamId }, readBatchSize: { value: readBatchSize }, maxPushQueueSize: { value: maxPushQueueSize } }); this._eventAppeared = eventAppeared; this._liveProcessingStarted = liveProcessingStarted; this._subscriptionDropped = subscriptionDropped; this._verbose = verboseLogging; var self = this; this._onReconnect = function() { if (self._verbose) self._log.debug("Catch-up Subscription to %s: recovering after reconnection.", self._streamId || ''); if (self._verbose) self._log.debug("Catch-up Subscription to %s: unhooking from connection.Connected.", self._streamId || ''); self._connection.removeListener('connected', self._onReconnect); self._runSubscription(); } } /** * @param {EventStoreNodeConnection} connection * @param {boolean} resolveLinkTos * @param {UserCredentials} userCredentials * @param {?number} lastCommitPosition * @param {?number} lastEventNumber * @private * @abstract */ EventStoreCatchUpSubscription.prototype._readEventsTill = function( connection, resolveLinkTos, userCredentials, lastCommitPosition, lastEventNumber ) { throw new Error("EventStoreCatchUpSubscription._readEventsTill abstract method called. " + this.constructor.name); }; /** * @param {ResolvedEvent} e * @private * @abstract */ EventStoreCatchUpSubscription.prototype._tryProcess = function(e) { throw new Error("EventStoreCatchUpSubscription._tryProcess abstract method called. " + this.constructor.name); }; EventStoreCatchUpSubscription.prototype.start = function() { if (this._verbose) this._log.debug("Catch-up Subscription to %s: starting...", this._streamId || ''); this._runSubscription(); }; EventStoreCatchUpSubscription.prototype.stop = function() { if (this._verbose) this._log.debug("Catch-up Subscription to %s: requesting stop...", this._streamId || ''); if (this._verbose) this._log.debug("Catch-up Subscription to %s: unhooking from connection.Connected.", this._streamId || ''); this._connection.removeListener('connected', this._onReconnect); this._shouldStop = true; this._enqueueSubscriptionDropNotification(SubscriptionDropReason.UserInitiated, null); /* if (timeout) { if (this._verbose) this._log.debug("Waiting on subscription to stop"); if (!this._stopped.Wait(timeout)) throw new TimeoutException(string.Format("Could not stop {0} in time.", GetType().Name)); } */ }; EventStoreCatchUpSubscription.prototype._runSubscription = function() { var logStreamName = this._streamId || ''; if (this._verbose) this._log.debug("Catch-up Subscription to %s: running...", logStreamName); var self = this; this._stopped = false; if (this._verbose) this._log.debug("Catch-up Subscription to %s: pulling events...", logStreamName); this._readEventsTill(this._connection, this._resolveLinkTos, this._userCredentials, null, null) .then(function() { if (self._shouldStop) return; if (self._verbose) self._log.debug("Catch-up Subscription to %s: subscribing...", logStreamName); if (self._streamId === '') return self._connection.subscribeToAll(self._resolveLinkTos, self._enqueuePushedEvent.bind(self), self._serverSubscriptionDropped.bind(self), self._userCredentials); else return self._connection.subscribeToStream(self._streamId, self._resolveLinkTos, self._enqueuePushedEvent.bind(self), self._serverSubscriptionDropped.bind(self), self._userCredentials); }) .then(function(subscription) { if (subscription === undefined) return; if (self._verbose) self._log.debug("Catch-up Subscription to %s: pulling events (if left)...", logStreamName); self._subscription = subscription; return self._readEventsTill(self._connection, self._resolveLinkTos, self._userCredentials, subscription.lastCommitPosition, subscription.lastEventNumber) }) .catch(function(err) { self._dropSubscription(SubscriptionDropReason.CatchUpError, err); return true; }) .then(function(faulted) { if (faulted) return; if (self._shouldStop) { self._dropSubscription(SubscriptionDropReason.UserInitiated, null); return; } if (self._verbose) self._log.debug("Catch-up Subscription to %s: processing live events...", logStreamName); if (self._liveProcessingStarted) try { self._liveProcessingStarted(self); } catch(e) { self._log.error(e, "Catch-up Subscription to %s: liveProcessingStarted callback failed.", logStreamName); } if (self._verbose) self._log.debug("Catch-up Subscription to %s: hooking to connection.Connected", logStreamName); self._connection.on('connected', self._onReconnect); self._allowProcessing = true; self._ensureProcessingPushQueue(); }); }; EventStoreCatchUpSubscription.prototype._enqueuePushedEvent = function(subscription, e) { if (this._verbose) this._log.debug("Catch-up Subscription to %s: event appeared (%s, %d, %s @ %s).", this._streamId || '', e.originalStreamId, e.originalEventNumber, e.originalEvent.eventType, e.originalPosition); if (this._liveQueue.length >= this.maxPushQueueSize) { this._enqueueSubscriptionDropNotification(SubscriptionDropReason.ProcessingQueueOverflow, null); subscription.unsubscribe(); return; } this._liveQueue.push(e); if (this._allowProcessing) this._ensureProcessingPushQueue(); }; EventStoreCatchUpSubscription.prototype._serverSubscriptionDropped = function(subscription, reason, err) { this._enqueueSubscriptionDropNotification(reason, err); }; EventStoreCatchUpSubscription.prototype._enqueueSubscriptionDropNotification = function(reason, error) { // if drop data was already set -- no need to enqueue drop again, somebody did that already if (this._dropData) return; this._dropData = {reason: reason, error: error}; this._liveQueue.push(new DropSubscriptionEvent()); if (this._allowProcessing) this._ensureProcessingPushQueue(); }; EventStoreCatchUpSubscription.prototype._ensureProcessingPushQueue = function() { if (this._isProcessing) return; this._isProcessing = true; setImmediate(this._processLiveQueue.bind(this)); }; EventStoreCatchUpSubscription.prototype._processLiveQueue = function() { var ev = this._liveQueue.shift(); //TODO: possible blocking while, use when while(ev) { if (ev instanceof DropSubscriptionEvent) { if (!this._dropData) this._dropData = {reason: SubscriptionDropReason.Unknown, error: new Error("Drop reason not specified.")}; this._dropSubscription(this._dropData.reason, this._dropData.error); this._isProcessing = false; return; } try { this._tryProcess(ev); } catch(err) { this._dropSubscription(SubscriptionDropReason.EventHandlerException, err); return; } ev = this._liveQueue.shift(); } this._isProcessing = false; }; EventStoreCatchUpSubscription.prototype._dropSubscription = function(reason, error) { if (this._isDropped) return; this._isDropped = true; if (this._verbose) this._log.debug("Catch-up Subscription to %s: dropping subscription, reason: %s %s.", this._streamId || '', reason, error); if (this._subscription) this._subscription.unsubscribe(); if (this._subscriptionDropped) try { this._subscriptionDropped(this, reason, error); } catch(e) { this._log.error(e, "Catch-up Subscription to %s: subscriptionDropped callback failed.", this._streamId || ''); } this._stopped = true; }; module.exports = EventStoreCatchUpSubscription; /***/ }, /* 57 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var EventStoreCatchUpSubscription = __webpack_require__(56); var results = __webpack_require__(3); function EventStoreAllCatchUpSubscription( connection, log, fromPositionExclusive, resolveLinkTos, userCredentials, eventAppeared, liveProcessingStarted, subscriptionDropped, verboseLogging, readBatchSize ) { EventStoreCatchUpSubscription.call(this, connection, log, '', resolveLinkTos, userCredentials, eventAppeared, liveProcessingStarted, subscriptionDropped, verboseLogging, readBatchSize); this._lastProcessedPosition = fromPositionExclusive || new results.Position(-1,-1); this._nextReadPosition = fromPositionExclusive || new results.Position(0,0); } util.inherits(EventStoreAllCatchUpSubscription, EventStoreCatchUpSubscription); EventStoreAllCatchUpSubscription.prototype._readEventsTill = function( connection, resolveLinkTos, userCredentials, lastCommitPosition, lastEventNumber ) { var self = this; function processEvents(events, index) { index = index || 0; if (index >= events.length) return Promise.resolve(); if (events[index].originalPosition === null) throw new Error("Subscription event came up with no OriginalPosition."); return new Promise(function(resolve, reject) { self._tryProcess(events[index]); resolve(); }) .then(function() { return processEvents(events, index + 1); }); } function readNext() { return connection.readAllEventsForward(self._nextReadPosition, self.readBatchSize, resolveLinkTos, userCredentials) .then(function(slice) { return processEvents(slice.events) .then(function() { self._nextReadPosition = slice.nextPosition; var done = lastCommitPosition === null ? slice.isEndOfStream : slice.nextPosition.compareTo(new results.Position(lastCommitPosition, lastCommitPosition)) >= 0; if (!done && slice.isEndOfStream) return Promise.resolve(done).delay(10); return Promise.resolve(done); }); }) .then(function(done) { if (done || self._shouldStop) return; return readNext(); }); } return readNext() .then(function() { if (self._verbose) self._log.debug("Catch-up Subscription to %s: finished reading events, nextReadPosition = %s.", self.isSubscribedToAll ? "" : self.streamId, self._nextReadPosition); }); }; EventStoreAllCatchUpSubscription.prototype._tryProcess = function(e) { var processed = false; if (e.originalPosition.compareTo(this._lastProcessedPosition) > 0) { this._eventAppeared(this, e); this._lastProcessedPosition = e.originalPosition; processed = true; } if (this._verbose) this._log.debug("Catch-up Subscription to %s: %s event (%s, %d, %s @ %s).", this.streamId || '', processed ? "processed" : "skipping", e.originalEvent.eventStreamId, e.originalEvent.eventNumber, e.originalEvent.eventType, e.originalPosition); }; module.exports = EventStoreAllCatchUpSubscription; /***/ }, /* 58 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var EventStorePersistentSubscriptionBase = __webpack_require__(59); var messages = __webpack_require__(9); function EventStorePersistentSubscription( subscriptionId, streamId, eventAppeared, subscriptionDropped, userCredentials, log, verboseLogging, settings, handler, bufferSize, autoAck ) { bufferSize = bufferSize === undefined ? 10 : bufferSize; autoAck = autoAck === undefined ? true : !!autoAck; EventStorePersistentSubscriptionBase.call(this, subscriptionId, streamId, eventAppeared, subscriptionDropped, userCredentials, log, verboseLogging, settings, bufferSize, autoAck); this._handler = handler; } util.inherits(EventStorePersistentSubscription, EventStorePersistentSubscriptionBase); EventStorePersistentSubscription.prototype._startSubscription = function( subscriptionId, streamId, bufferSize, userCredentials, onEventAppeared, onSubscriptionDropped, settings ) { var self = this; return new Promise(function(resolve, reject){ function cb(err, result) { if (err) return reject(err); resolve(result); } self._handler.enqueueMessage(new messages.StartPersistentSubscriptionMessage(cb, subscriptionId, streamId, bufferSize, userCredentials, onEventAppeared, onSubscriptionDropped, settings.maxRetries, settings.operationTimeout)); }); }; module.exports = EventStorePersistentSubscription; /***/ }, /* 59 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(4); var ensure = __webpack_require__(5); var PersistentSubscriptionNakEventAction = __webpack_require__(60); var SubscriptionDropReason = __webpack_require__(23); function DropSubscriptionEvent() {} function EventStorePersistentSubscriptionBase( subscriptionId, streamId, eventAppeared, subscriptionDropped, userCredentials, log, verboseLogging, settings, bufferSize, autoAck ) { bufferSize = bufferSize === undefined ? 10 : bufferSize; autoAck = autoAck === undefined ? true : autoAck; this._subscriptionId = subscriptionId; this._streamId = streamId; this._eventAppeared = eventAppeared; this._subscriptionDropped = subscriptionDropped; this._userCredentials = userCredentials; this._log = log; this._verbose = verboseLogging; this._settings = settings; this._bufferSize = bufferSize; this._autoAck = autoAck; this._subscription = null; this._dropData = null; this._queue = []; this._isProcessing = false; this._isDropped = false; } EventStorePersistentSubscriptionBase.prototype.start = function() { this._stopped = false; var self = this; this._startSubscription(this._subscriptionId, this._streamId, this._bufferSize, this._userCredentials, this._onEventAppeared.bind(this), this._onSubscriptionDropped.bind(this), this._settings) .then(function(subscription) { self._subscription = subscription; }); }; EventStorePersistentSubscriptionBase.prototype._startSubscription = function() { throw new Error("EventStorePersistentSubscriptionBase._startSubscription abstract method called." + this.constructor.name); }; /** * @param {ResolvedEvent[]|ResolvedEvent} events */ EventStorePersistentSubscriptionBase.prototype.acknowledge = function(events) { ensure.notNull(events, "events"); if (this._subscription === null) throw new Error("Invalid operation. Subscription is not active yet."); if (!Array.isArray(events)) events = [events]; var ids = events.map(function(x) { return x.originalEvent.eventId; }); this._subscription.notifyEventsProcessed(ids); }; /** * @param {ResolvedEvent[]|ResolvedEvent} events * @param {number} action One of PersistentSubscriptionNakEventAction * @param {string} reason */ EventStorePersistentSubscriptionBase.prototype.fail = function(events, action, reason) { ensure.notNull(events, "events"); PersistentSubscriptionNakEventAction.isValid(action); ensure.notNull(reason, "reason"); if (this._subscription === null) throw new Error("Invalid operation. Subscription is not active yet."); if (!Array.isArray(events)) events = [events]; var ids = events.map(function(x) { return x.originalEvent.eventId; }); this._subscription.notifyEventsFailed(ids, action, reason); }; EventStorePersistentSubscriptionBase.prototype.stop = function() { if (this._verbose) this._log.debug("Persistent Subscription to %s: requesting stop...", this._streamId); this._enqueueSubscriptionDropNotification(SubscriptionDropReason.UserInitiated, null); //TODO figure out timeout with Promise still running //if (!_stopped.Wait(timeout)) //throw new TimeoutException(string.Format("Could not stop {0} in time.", GetType().Name)); }; EventStorePersistentSubscriptionBase.prototype._enqueueSubscriptionDropNotification = function(reason, error) { // if drop data was already set -- no need to enqueue drop again, somebody did that already if (!this._dropData) { this._dropData = {reason: reason, error: error}; this._enqueue(new DropSubscriptionEvent()); } }; EventStorePersistentSubscriptionBase.prototype._onSubscriptionDropped = function(subscription, reason, exception) { this._enqueueSubscriptionDropNotification(reason, exception); }; EventStorePersistentSubscriptionBase.prototype._onEventAppeared = function(subscription, resolvedEvent) { this._enqueue(resolvedEvent); }; EventStorePersistentSubscriptionBase.prototype._enqueue = function(resolvedEvent) { this._queue.push(resolvedEvent); if (!this._isProcessing) { this._isProcessing = true; setImmediate(this._processQueue.bind(this)); } }; EventStorePersistentSubscriptionBase.prototype._processQueue = function() { //do //{ var e = this._queue.shift(); while (e) { if (e instanceof DropSubscriptionEvent) // drop subscription artificial ResolvedEvent { if (this._dropData === null) throw new Error("Drop reason not specified."); this._dropSubscription(this._dropData.reason, this._dropData.error); return; } if (this._dropData !== null) { this._dropSubscription(this._dropData.reason, this._dropData.error); return; } try { this._eventAppeared(this, e); if(this._autoAck) this._subscription.notifyEventsProcessed([e.originalEvent.eventId]); if (this._verbose) this._log.debug("Persistent Subscription to %s: processed event (%s, %d, %s @ %d).", this._streamId, e.originalEvent.eventStreamId, e.originalEvent.eventNumber, e.originalEvent.eventType, e.originalEventNumber); } catch (err) { //TODO GFY should we autonak here? this._dropSubscription(SubscriptionDropReason.EventHandlerException, err); return; } e = this._queue.shift(); } this._isProcessing = false; //} while (_queue.Count > 0 && Interlocked.CompareExchange(ref _isProcessing, 1, 0) == 0); }; EventStorePersistentSubscriptionBase.prototype._dropSubscription = function(reason, error) { if (!this._isDropped) { this._isDropped = true; if (this._verbose) this._log.debug("Persistent Subscription to %s: dropping subscription, reason: %s %s.", this._streamId, reason, error); if (this._subscription !== null) this._subscription.unsubscribe(); if (this._subscriptionDropped !== null) this._subscriptionDropped(this, reason, error); this._stopped = true; } }; module.exports = EventStorePersistentSubscriptionBase; /***/ }, /* 60 */ /***/ function(module, exports) { const PersistentSubscriptionNakEventAction = { Unknown: 0, Park: 1, Retry: 2, Skip: 3, Stop: 4 }; module.exports = PersistentSubscriptionNakEventAction; module.exports.isValid = function(value) { for(var k in PersistentSubscriptionNakEventAction) if (PersistentSubscriptionNakEventAction[k] === value) return true; return false; }; /***/ }, /* 61 */ /***/ function(module, exports) { module.exports.metastreamOf = function(stream) { return '$$' + stream; }; module.exports.isMetastream = function(stream) { return stream.indexOf('$$') === 0; }; /***/ }, /* 62 */ /***/ function(module, exports) { const SystemEventTypes = { StreamMetadata: '$metadata' }; module.exports = SystemEventTypes; /***/ }, /* 63 */ /***/ function(module, exports) { function StaticEndpointDiscoverer(tcpEndPoint, useSsl) { this._nodeEndpoints = { tcpEndPoint: useSsl ? null : tcpEndPoint, secureTcpEndPoint: useSsl ? tcpEndPoint : null } } StaticEndpointDiscoverer.prototype.discover = function(failedTcpEndpoint) { return Promise.resolve(this._nodeEndpoints); }; module.exports = StaticEndpointDiscoverer; /***/ }, /* 64 */ /***/ function(module, exports) { function NoopLogger() { } NoopLogger.prototype.error = function() {}; NoopLogger.prototype.debug = function() {}; NoopLogger.prototype.info = function() {}; module.exports = NoopLogger; /***/ }, /* 65 */ /***/ function(module, exports, __webpack_require__) { var ensure = __webpack_require__(5); /** * @param {string} username * @param {string} password * @constructor * @property {string} username * @property {string} password */ function UserCredentials(username, password) { ensure.notNullOrEmpty(username, 'username'); ensure.notNullOrEmpty(password, 'password'); Object.defineProperties(this, { username: {enumerable: true, value: username}, password: {enumerable: true, value: password} }); } module.exports = UserCredentials; /***/ }, /* 66 */ /***/ function(module, exports, __webpack_require__) { var SystemConsumerStrategies = __webpack_require__(52); function PersistentSubscriptionSettings( resolveLinkTos, startFrom, extraStatistics, messageTimeout, maxRetryCount, liveBufferSize, readBatchSize, historyBufferSize, checkPointAfter, minCheckPointCount, maxCheckPointCount, maxSubscriberCount, namedConsumerStrategy ) { this.resolveLinkTos = resolveLinkTos; this.startFrom = startFrom; this.extraStatistics = extraStatistics; this.messageTimeout = messageTimeout; this.maxRetryCount = maxRetryCount; this.liveBufferSize = liveBufferSize; this.readBatchSize = readBatchSize; this.historyBufferSize = historyBufferSize; this.checkPointAfter = checkPointAfter; this.minCheckPointCount = minCheckPointCount; this.maxCheckPointCount = maxCheckPointCount; this.maxSubscriberCount = maxSubscriberCount; this.namedConsumerStrategy = namedConsumerStrategy; } module.exports.create = function() { return new PersistentSubscriptionSettings(false, -1, false, 30000, 500, 500, 10, 20, 2000, 10, 1000, 0, SystemConsumerStrategies.RoundRobin); }; /***/ }, /* 67 */ /***/ function(module, exports) { const SystemMetadata = { maxAge: '$maxAge', maxCount: '$maxCount', truncateBefore: '$tb', cacheControl: '$cacheControl', acl: '$acl', aclRead: '$r', aclWrite: '$w', aclDelete: '$d', aclMetaRead: '$mr', aclMetaWrite: '$mw', userStreamAcl: '$userStreamAcl', systemStreamAcl: '$systemStreamAcl' }; module.exports = SystemMetadata; /***/ } /******/ ]);