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node_modules/mongodb/lib/topologies/mongos.js generated vendored Normal file
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'use strict';
const TopologyBase = require('./topology_base').TopologyBase;
const MongoError = require('mongodb-core').MongoError;
const CMongos = require('mongodb-core').Mongos;
const Cursor = require('../cursor');
const Server = require('./server');
const Store = require('./topology_base').Store;
const MAX_JS_INT = require('../utils').MAX_JS_INT;
const translateOptions = require('../utils').translateOptions;
const filterOptions = require('../utils').filterOptions;
const mergeOptions = require('../utils').mergeOptions;
/**
* @fileOverview The **Mongos** class is a class that represents a Mongos Proxy topology and is
* used to construct connections.
*
* **Mongos Should not be used, use MongoClient.connect**
*/
// Allowed parameters
var legalOptionNames = [
'ha',
'haInterval',
'acceptableLatencyMS',
'poolSize',
'ssl',
'checkServerIdentity',
'sslValidate',
'sslCA',
'sslCRL',
'sslCert',
'ciphers',
'ecdhCurve',
'sslKey',
'sslPass',
'socketOptions',
'bufferMaxEntries',
'store',
'auto_reconnect',
'autoReconnect',
'emitError',
'keepAlive',
'keepAliveInitialDelay',
'noDelay',
'connectTimeoutMS',
'socketTimeoutMS',
'loggerLevel',
'logger',
'reconnectTries',
'appname',
'domainsEnabled',
'servername',
'promoteLongs',
'promoteValues',
'promoteBuffers',
'promiseLibrary',
'monitorCommands'
];
/**
* Creates a new Mongos instance
* @class
* @deprecated
* @param {Server[]} servers A seedlist of servers participating in the replicaset.
* @param {object} [options] Optional settings.
* @param {booelan} [options.ha=true] Turn on high availability monitoring.
* @param {number} [options.haInterval=5000] Time between each replicaset status check.
* @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
* @param {number} [options.acceptableLatencyMS=15] Cutoff latency point in MS for MongoS proxy selection
* @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
* @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
* @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {array} [options.sslCA] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {array} [options.sslCRL] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {string} [options.ciphers] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {string} [options.ecdhCurve] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {(Buffer|string)} [options.sslCert] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslKey] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslPass] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {string} [options.servername] String containing the server name requested via TLS SNI.
* @param {object} [options.socketOptions] Socket options
* @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
* @param {boolean} [options.socketOptions.keepAlive=true] TCP Connection keep alive enabled
* @param {number} [options.socketOptions.keepAliveInitialDelay=30000] The number of milliseconds to wait before initiating keepAlive on the TCP socket
* @param {number} [options.socketOptions.connectTimeoutMS=0] TCP Connection timeout setting
* @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
* @param {boolean} [options.domainsEnabled=false] Enable the wrapping of the callback in the current domain, disabled by default to avoid perf hit.
* @param {boolean} [options.monitorCommands=false] Enable command monitoring for this topology
* @fires Mongos#connect
* @fires Mongos#ha
* @fires Mongos#joined
* @fires Mongos#left
* @fires Mongos#fullsetup
* @fires Mongos#open
* @fires Mongos#close
* @fires Mongos#error
* @fires Mongos#timeout
* @fires Mongos#parseError
* @fires Mongos#commandStarted
* @fires Mongos#commandSucceeded
* @fires Mongos#commandFailed
* @property {string} parserType the parser type used (c++ or js).
* @return {Mongos} a Mongos instance.
*/
class Mongos extends TopologyBase {
constructor(servers, options) {
super();
options = options || {};
var self = this;
// Filter the options
options = filterOptions(options, legalOptionNames);
// Ensure all the instances are Server
for (var i = 0; i < servers.length; i++) {
if (!(servers[i] instanceof Server)) {
throw MongoError.create({
message: 'all seed list instances must be of the Server type',
driver: true
});
}
}
// Stored options
var storeOptions = {
force: false,
bufferMaxEntries:
typeof options.bufferMaxEntries === 'number' ? options.bufferMaxEntries : MAX_JS_INT
};
// Shared global store
var store = options.store || new Store(self, storeOptions);
// Build seed list
var seedlist = servers.map(function(x) {
return { host: x.host, port: x.port };
});
// Get the reconnect option
var reconnect = typeof options.auto_reconnect === 'boolean' ? options.auto_reconnect : true;
reconnect = typeof options.autoReconnect === 'boolean' ? options.autoReconnect : reconnect;
// Clone options
var clonedOptions = mergeOptions(
{},
{
disconnectHandler: store,
cursorFactory: Cursor,
reconnect: reconnect,
emitError: typeof options.emitError === 'boolean' ? options.emitError : true,
size: typeof options.poolSize === 'number' ? options.poolSize : 5,
monitorCommands:
typeof options.monitorCommands === 'boolean' ? options.monitorCommands : false
}
);
// Translate any SSL options and other connectivity options
clonedOptions = translateOptions(clonedOptions, options);
// Socket options
var socketOptions =
options.socketOptions && Object.keys(options.socketOptions).length > 0
? options.socketOptions
: options;
// Translate all the options to the mongodb-core ones
clonedOptions = translateOptions(clonedOptions, socketOptions);
// Build default client information
clonedOptions.clientInfo = this.clientInfo;
// Do we have an application specific string
if (options.appname) {
clonedOptions.clientInfo.application = { name: options.appname };
}
// Internal state
this.s = {
// Create the Mongos
coreTopology: new CMongos(seedlist, clonedOptions),
// Server capabilities
sCapabilities: null,
// Debug turned on
debug: clonedOptions.debug,
// Store option defaults
storeOptions: storeOptions,
// Cloned options
clonedOptions: clonedOptions,
// Actual store of callbacks
store: store,
// Options
options: options,
// Server Session Pool
sessionPool: null,
// Active client sessions
sessions: [],
// Promise library
promiseLibrary: options.promiseLibrary || Promise
};
}
// Connect
connect(_options, callback) {
var self = this;
if ('function' === typeof _options) (callback = _options), (_options = {});
if (_options == null) _options = {};
if (!('function' === typeof callback)) callback = null;
_options = Object.assign({}, this.s.clonedOptions, _options);
self.s.options = _options;
// Update bufferMaxEntries
self.s.storeOptions.bufferMaxEntries =
typeof _options.bufferMaxEntries === 'number' ? _options.bufferMaxEntries : -1;
// Error handler
var connectErrorHandler = function() {
return function(err) {
// Remove all event handlers
var events = ['timeout', 'error', 'close'];
events.forEach(function(e) {
self.removeListener(e, connectErrorHandler);
});
self.s.coreTopology.removeListener('connect', connectErrorHandler);
// Force close the topology
self.close(true);
// Try to callback
try {
callback(err);
} catch (err) {
process.nextTick(function() {
throw err;
});
}
};
};
// Actual handler
var errorHandler = function(event) {
return function(err) {
if (event !== 'error') {
self.emit(event, err);
}
};
};
// Error handler
var reconnectHandler = function() {
self.emit('reconnect');
self.s.store.execute();
};
// relay the event
var relay = function(event) {
return function(t, server) {
self.emit(event, t, server);
};
};
// Connect handler
var connectHandler = function() {
// Clear out all the current handlers left over
var events = ['timeout', 'error', 'close', 'fullsetup'];
events.forEach(function(e) {
self.s.coreTopology.removeAllListeners(e);
});
// Set up listeners
self.s.coreTopology.on('timeout', errorHandler('timeout'));
self.s.coreTopology.on('error', errorHandler('error'));
self.s.coreTopology.on('close', errorHandler('close'));
// Set up serverConfig listeners
self.s.coreTopology.on('fullsetup', function() {
self.emit('fullsetup', self);
});
// Emit open event
self.emit('open', null, self);
// Return correctly
try {
callback(null, self);
} catch (err) {
process.nextTick(function() {
throw err;
});
}
};
// Clear out all the current handlers left over
var events = [
'timeout',
'error',
'close',
'serverOpening',
'serverDescriptionChanged',
'serverHeartbeatStarted',
'serverHeartbeatSucceeded',
'serverHeartbeatFailed',
'serverClosed',
'topologyOpening',
'topologyClosed',
'topologyDescriptionChanged',
'commandStarted',
'commandSucceeded',
'commandFailed'
];
events.forEach(function(e) {
self.s.coreTopology.removeAllListeners(e);
});
// Set up SDAM listeners
self.s.coreTopology.on('serverDescriptionChanged', relay('serverDescriptionChanged'));
self.s.coreTopology.on('serverHeartbeatStarted', relay('serverHeartbeatStarted'));
self.s.coreTopology.on('serverHeartbeatSucceeded', relay('serverHeartbeatSucceeded'));
self.s.coreTopology.on('serverHeartbeatFailed', relay('serverHeartbeatFailed'));
self.s.coreTopology.on('serverOpening', relay('serverOpening'));
self.s.coreTopology.on('serverClosed', relay('serverClosed'));
self.s.coreTopology.on('topologyOpening', relay('topologyOpening'));
self.s.coreTopology.on('topologyClosed', relay('topologyClosed'));
self.s.coreTopology.on('topologyDescriptionChanged', relay('topologyDescriptionChanged'));
self.s.coreTopology.on('commandStarted', relay('commandStarted'));
self.s.coreTopology.on('commandSucceeded', relay('commandSucceeded'));
self.s.coreTopology.on('commandFailed', relay('commandFailed'));
// Set up listeners
self.s.coreTopology.once('timeout', connectErrorHandler('timeout'));
self.s.coreTopology.once('error', connectErrorHandler('error'));
self.s.coreTopology.once('close', connectErrorHandler('close'));
self.s.coreTopology.once('connect', connectHandler);
// Join and leave events
self.s.coreTopology.on('joined', relay('joined'));
self.s.coreTopology.on('left', relay('left'));
// Reconnect server
self.s.coreTopology.on('reconnect', reconnectHandler);
// Start connection
self.s.coreTopology.connect(_options);
}
}
Object.defineProperty(Mongos.prototype, 'haInterval', {
enumerable: true,
get: function() {
return this.s.coreTopology.s.haInterval;
}
});
/**
* A mongos connect event, used to verify that the connection is up and running
*
* @event Mongos#connect
* @type {Mongos}
*/
/**
* The mongos high availability event
*
* @event Mongos#ha
* @type {function}
* @param {string} type The stage in the high availability event (start|end)
* @param {boolean} data.norepeat This is a repeating high availability process or a single execution only
* @param {number} data.id The id for this high availability request
* @param {object} data.state An object containing the information about the current replicaset
*/
/**
* A server member left the mongos set
*
* @event Mongos#left
* @type {function}
* @param {string} type The type of member that left (primary|secondary|arbiter)
* @param {Server} server The server object that left
*/
/**
* A server member joined the mongos set
*
* @event Mongos#joined
* @type {function}
* @param {string} type The type of member that joined (primary|secondary|arbiter)
* @param {Server} server The server object that joined
*/
/**
* Mongos fullsetup event, emitted when all proxies in the topology have been connected to.
*
* @event Mongos#fullsetup
* @type {Mongos}
*/
/**
* Mongos open event, emitted when mongos can start processing commands.
*
* @event Mongos#open
* @type {Mongos}
*/
/**
* Mongos close event
*
* @event Mongos#close
* @type {object}
*/
/**
* Mongos error event, emitted if there is an error listener.
*
* @event Mongos#error
* @type {MongoError}
*/
/**
* Mongos timeout event
*
* @event Mongos#timeout
* @type {object}
*/
/**
* Mongos parseError event
*
* @event Mongos#parseError
* @type {object}
*/
/**
* An event emitted indicating a command was started, if command monitoring is enabled
*
* @event Mongos#commandStarted
* @type {object}
*/
/**
* An event emitted indicating a command succeeded, if command monitoring is enabled
*
* @event Mongos#commandSucceeded
* @type {object}
*/
/**
* An event emitted indicating a command failed, if command monitoring is enabled
*
* @event Mongos#commandFailed
* @type {object}
*/
module.exports = Mongos;

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node_modules/mongodb/lib/topologies/replset.js generated vendored Normal file
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'use strict';
const Server = require('./server');
const Cursor = require('../cursor');
const MongoError = require('mongodb-core').MongoError;
const TopologyBase = require('./topology_base').TopologyBase;
const Store = require('./topology_base').Store;
const CReplSet = require('mongodb-core').ReplSet;
const MAX_JS_INT = require('../utils').MAX_JS_INT;
const translateOptions = require('../utils').translateOptions;
const filterOptions = require('../utils').filterOptions;
const mergeOptions = require('../utils').mergeOptions;
/**
* @fileOverview The **ReplSet** class is a class that represents a Replicaset topology and is
* used to construct connections.
*
* **ReplSet Should not be used, use MongoClient.connect**
*/
// Allowed parameters
var legalOptionNames = [
'ha',
'haInterval',
'replicaSet',
'rs_name',
'secondaryAcceptableLatencyMS',
'connectWithNoPrimary',
'poolSize',
'ssl',
'checkServerIdentity',
'sslValidate',
'sslCA',
'sslCert',
'ciphers',
'ecdhCurve',
'sslCRL',
'sslKey',
'sslPass',
'socketOptions',
'bufferMaxEntries',
'store',
'auto_reconnect',
'autoReconnect',
'emitError',
'keepAlive',
'keepAliveInitialDelay',
'noDelay',
'connectTimeoutMS',
'socketTimeoutMS',
'strategy',
'debug',
'family',
'loggerLevel',
'logger',
'reconnectTries',
'appname',
'domainsEnabled',
'servername',
'promoteLongs',
'promoteValues',
'promoteBuffers',
'maxStalenessSeconds',
'promiseLibrary',
'minSize',
'monitorCommands'
];
/**
* Creates a new ReplSet instance
* @class
* @deprecated
* @param {Server[]} servers A seedlist of servers participating in the replicaset.
* @param {object} [options] Optional settings.
* @param {boolean} [options.ha=true] Turn on high availability monitoring.
* @param {number} [options.haInterval=10000] Time between each replicaset status check.
* @param {string} [options.replicaSet] The name of the replicaset to connect to.
* @param {number} [options.secondaryAcceptableLatencyMS=15] Sets the range of servers to pick when using NEAREST (lowest ping ms + the latency fence, ex: range of 1 to (1 + 15) ms)
* @param {boolean} [options.connectWithNoPrimary=false] Sets if the driver should connect even if no primary is available
* @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
* @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
* @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
* @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {array} [options.sslCA] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {array} [options.sslCRL] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslCert] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher.
* @param {string} [options.ciphers] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {string} [options.ecdhCurve] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {(Buffer|string)} [options.sslKey] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslPass] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {string} [options.servername] String containing the server name requested via TLS SNI.
* @param {object} [options.socketOptions] Socket options
* @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
* @param {boolean} [options.socketOptions.keepAlive=true] TCP Connection keep alive enabled
* @param {number} [options.socketOptions.keepAliveInitialDelay=30000] The number of milliseconds to wait before initiating keepAlive on the TCP socket
* @param {number} [options.socketOptions.connectTimeoutMS=10000] TCP Connection timeout setting
* @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
* @param {boolean} [options.domainsEnabled=false] Enable the wrapping of the callback in the current domain, disabled by default to avoid perf hit.
* @param {number} [options.maxStalenessSeconds=undefined] The max staleness to secondary reads (values under 10 seconds cannot be guaranteed);
* @param {boolean} [options.monitorCommands=false] Enable command monitoring for this topology
* @fires ReplSet#connect
* @fires ReplSet#ha
* @fires ReplSet#joined
* @fires ReplSet#left
* @fires ReplSet#fullsetup
* @fires ReplSet#open
* @fires ReplSet#close
* @fires ReplSet#error
* @fires ReplSet#timeout
* @fires ReplSet#parseError
* @fires ReplSet#commandStarted
* @fires ReplSet#commandSucceeded
* @fires ReplSet#commandFailed
* @property {string} parserType the parser type used (c++ or js).
* @return {ReplSet} a ReplSet instance.
*/
class ReplSet extends TopologyBase {
constructor(servers, options) {
super();
options = options || {};
var self = this;
// Filter the options
options = filterOptions(options, legalOptionNames);
// Ensure all the instances are Server
for (var i = 0; i < servers.length; i++) {
if (!(servers[i] instanceof Server)) {
throw MongoError.create({
message: 'all seed list instances must be of the Server type',
driver: true
});
}
}
// Stored options
var storeOptions = {
force: false,
bufferMaxEntries:
typeof options.bufferMaxEntries === 'number' ? options.bufferMaxEntries : MAX_JS_INT
};
// Shared global store
var store = options.store || new Store(self, storeOptions);
// Build seed list
var seedlist = servers.map(function(x) {
return { host: x.host, port: x.port };
});
// Clone options
var clonedOptions = mergeOptions(
{},
{
disconnectHandler: store,
cursorFactory: Cursor,
reconnect: false,
emitError: typeof options.emitError === 'boolean' ? options.emitError : true,
size: typeof options.poolSize === 'number' ? options.poolSize : 5,
monitorCommands:
typeof options.monitorCommands === 'boolean' ? options.monitorCommands : false
}
);
// Translate any SSL options and other connectivity options
clonedOptions = translateOptions(clonedOptions, options);
// Socket options
var socketOptions =
options.socketOptions && Object.keys(options.socketOptions).length > 0
? options.socketOptions
: options;
// Translate all the options to the mongodb-core ones
clonedOptions = translateOptions(clonedOptions, socketOptions);
// Build default client information
clonedOptions.clientInfo = this.clientInfo;
// Do we have an application specific string
if (options.appname) {
clonedOptions.clientInfo.application = { name: options.appname };
}
// Create the ReplSet
var coreTopology = new CReplSet(seedlist, clonedOptions);
// Listen to reconnect event
coreTopology.on('reconnect', function() {
self.emit('reconnect');
store.execute();
});
// Internal state
this.s = {
// Replicaset
coreTopology: coreTopology,
// Server capabilities
sCapabilities: null,
// Debug tag
tag: options.tag,
// Store options
storeOptions: storeOptions,
// Cloned options
clonedOptions: clonedOptions,
// Store
store: store,
// Options
options: options,
// Server Session Pool
sessionPool: null,
// Active client sessions
sessions: [],
// Promise library
promiseLibrary: options.promiseLibrary || Promise
};
// Debug
if (clonedOptions.debug) {
// Last ismaster
Object.defineProperty(this, 'replset', {
enumerable: true,
get: function() {
return coreTopology;
}
});
}
}
// Connect method
connect(_options, callback) {
var self = this;
if ('function' === typeof _options) (callback = _options), (_options = {});
if (_options == null) _options = {};
if (!('function' === typeof callback)) callback = null;
_options = Object.assign({}, this.s.clonedOptions, _options);
self.s.options = _options;
// Update bufferMaxEntries
self.s.storeOptions.bufferMaxEntries =
typeof _options.bufferMaxEntries === 'number' ? _options.bufferMaxEntries : -1;
// Actual handler
var errorHandler = function(event) {
return function(err) {
if (event !== 'error') {
self.emit(event, err);
}
};
};
// Clear out all the current handlers left over
var events = [
'timeout',
'error',
'close',
'serverOpening',
'serverDescriptionChanged',
'serverHeartbeatStarted',
'serverHeartbeatSucceeded',
'serverHeartbeatFailed',
'serverClosed',
'topologyOpening',
'topologyClosed',
'topologyDescriptionChanged',
'commandStarted',
'commandSucceeded',
'commandFailed',
'joined',
'left',
'ping',
'ha'
];
events.forEach(function(e) {
self.s.coreTopology.removeAllListeners(e);
});
// relay the event
var relay = function(event) {
return function(t, server) {
self.emit(event, t, server);
};
};
// Replset events relay
var replsetRelay = function(event) {
return function(t, server) {
self.emit(event, t, server.lastIsMaster(), server);
};
};
// Relay ha
var relayHa = function(t, state) {
self.emit('ha', t, state);
if (t === 'start') {
self.emit('ha_connect', t, state);
} else if (t === 'end') {
self.emit('ha_ismaster', t, state);
}
};
// Set up serverConfig listeners
self.s.coreTopology.on('joined', replsetRelay('joined'));
self.s.coreTopology.on('left', relay('left'));
self.s.coreTopology.on('ping', relay('ping'));
self.s.coreTopology.on('ha', relayHa);
// Set up SDAM listeners
self.s.coreTopology.on('serverDescriptionChanged', relay('serverDescriptionChanged'));
self.s.coreTopology.on('serverHeartbeatStarted', relay('serverHeartbeatStarted'));
self.s.coreTopology.on('serverHeartbeatSucceeded', relay('serverHeartbeatSucceeded'));
self.s.coreTopology.on('serverHeartbeatFailed', relay('serverHeartbeatFailed'));
self.s.coreTopology.on('serverOpening', relay('serverOpening'));
self.s.coreTopology.on('serverClosed', relay('serverClosed'));
self.s.coreTopology.on('topologyOpening', relay('topologyOpening'));
self.s.coreTopology.on('topologyClosed', relay('topologyClosed'));
self.s.coreTopology.on('topologyDescriptionChanged', relay('topologyDescriptionChanged'));
self.s.coreTopology.on('commandStarted', relay('commandStarted'));
self.s.coreTopology.on('commandSucceeded', relay('commandSucceeded'));
self.s.coreTopology.on('commandFailed', relay('commandFailed'));
self.s.coreTopology.on('fullsetup', function() {
self.emit('fullsetup', self, self);
});
self.s.coreTopology.on('all', function() {
self.emit('all', null, self);
});
// Connect handler
var connectHandler = function() {
// Set up listeners
self.s.coreTopology.once('timeout', errorHandler('timeout'));
self.s.coreTopology.once('error', errorHandler('error'));
self.s.coreTopology.once('close', errorHandler('close'));
// Emit open event
self.emit('open', null, self);
// Return correctly
try {
callback(null, self);
} catch (err) {
process.nextTick(function() {
throw err;
});
}
};
// Error handler
var connectErrorHandler = function() {
return function(err) {
['timeout', 'error', 'close'].forEach(function(e) {
self.s.coreTopology.removeListener(e, connectErrorHandler);
});
self.s.coreTopology.removeListener('connect', connectErrorHandler);
// Destroy the replset
self.s.coreTopology.destroy();
// Try to callback
try {
callback(err);
} catch (err) {
if (!self.s.coreTopology.isConnected())
process.nextTick(function() {
throw err;
});
}
};
};
// Set up listeners
self.s.coreTopology.once('timeout', connectErrorHandler('timeout'));
self.s.coreTopology.once('error', connectErrorHandler('error'));
self.s.coreTopology.once('close', connectErrorHandler('close'));
self.s.coreTopology.once('connect', connectHandler);
// Start connection
self.s.coreTopology.connect(_options);
}
close(forceClosed) {
super.close(forceClosed);
['timeout', 'error', 'close', 'joined', 'left'].forEach(e => this.removeAllListeners(e));
}
}
Object.defineProperty(ReplSet.prototype, 'haInterval', {
enumerable: true,
get: function() {
return this.s.coreTopology.s.haInterval;
}
});
/**
* A replset connect event, used to verify that the connection is up and running
*
* @event ReplSet#connect
* @type {ReplSet}
*/
/**
* The replset high availability event
*
* @event ReplSet#ha
* @type {function}
* @param {string} type The stage in the high availability event (start|end)
* @param {boolean} data.norepeat This is a repeating high availability process or a single execution only
* @param {number} data.id The id for this high availability request
* @param {object} data.state An object containing the information about the current replicaset
*/
/**
* A server member left the replicaset
*
* @event ReplSet#left
* @type {function}
* @param {string} type The type of member that left (primary|secondary|arbiter)
* @param {Server} server The server object that left
*/
/**
* A server member joined the replicaset
*
* @event ReplSet#joined
* @type {function}
* @param {string} type The type of member that joined (primary|secondary|arbiter)
* @param {Server} server The server object that joined
*/
/**
* ReplSet open event, emitted when replicaset can start processing commands.
*
* @event ReplSet#open
* @type {Replset}
*/
/**
* ReplSet fullsetup event, emitted when all servers in the topology have been connected to.
*
* @event ReplSet#fullsetup
* @type {Replset}
*/
/**
* ReplSet close event
*
* @event ReplSet#close
* @type {object}
*/
/**
* ReplSet error event, emitted if there is an error listener.
*
* @event ReplSet#error
* @type {MongoError}
*/
/**
* ReplSet timeout event
*
* @event ReplSet#timeout
* @type {object}
*/
/**
* ReplSet parseError event
*
* @event ReplSet#parseError
* @type {object}
*/
/**
* An event emitted indicating a command was started, if command monitoring is enabled
*
* @event ReplSet#commandStarted
* @type {object}
*/
/**
* An event emitted indicating a command succeeded, if command monitoring is enabled
*
* @event ReplSet#commandSucceeded
* @type {object}
*/
/**
* An event emitted indicating a command failed, if command monitoring is enabled
*
* @event ReplSet#commandFailed
* @type {object}
*/
module.exports = ReplSet;

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node_modules/mongodb/lib/topologies/server.js generated vendored Normal file
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'use strict';
const CServer = require('mongodb-core').Server;
const Cursor = require('../cursor');
const TopologyBase = require('./topology_base').TopologyBase;
const Store = require('./topology_base').Store;
const MongoError = require('mongodb-core').MongoError;
const MAX_JS_INT = require('../utils').MAX_JS_INT;
const translateOptions = require('../utils').translateOptions;
const filterOptions = require('../utils').filterOptions;
const mergeOptions = require('../utils').mergeOptions;
/**
* @fileOverview The **Server** class is a class that represents a single server topology and is
* used to construct connections.
*
* **Server Should not be used, use MongoClient.connect**
*/
// Allowed parameters
var legalOptionNames = [
'ha',
'haInterval',
'acceptableLatencyMS',
'poolSize',
'ssl',
'checkServerIdentity',
'sslValidate',
'sslCA',
'sslCRL',
'sslCert',
'ciphers',
'ecdhCurve',
'sslKey',
'sslPass',
'socketOptions',
'bufferMaxEntries',
'store',
'auto_reconnect',
'autoReconnect',
'emitError',
'keepAlive',
'keepAliveInitialDelay',
'noDelay',
'connectTimeoutMS',
'socketTimeoutMS',
'family',
'loggerLevel',
'logger',
'reconnectTries',
'reconnectInterval',
'monitoring',
'appname',
'domainsEnabled',
'servername',
'promoteLongs',
'promoteValues',
'promoteBuffers',
'compression',
'promiseLibrary',
'monitorCommands'
];
/**
* Creates a new Server instance
* @class
* @deprecated
* @param {string} host The host for the server, can be either an IP4, IP6 or domain socket style host.
* @param {number} [port] The server port if IP4.
* @param {object} [options] Optional settings.
* @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
* @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
* @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
* @param {array} [options.sslCA] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {array} [options.sslCRL] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslCert] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {string} [options.ciphers] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {string} [options.ecdhCurve] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
* @param {(Buffer|string)} [options.sslKey] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {(Buffer|string)} [options.sslPass] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
* @param {string} [options.servername] String containing the server name requested via TLS SNI.
* @param {object} [options.socketOptions] Socket options
* @param {boolean} [options.socketOptions.autoReconnect=true] Reconnect on error.
* @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
* @param {boolean} [options.socketOptions.keepAlive=true] TCP Connection keep alive enabled
* @param {number} [options.socketOptions.keepAliveInitialDelay=30000] The number of milliseconds to wait before initiating keepAlive on the TCP socket
* @param {number} [options.socketOptions.connectTimeoutMS=0] TCP Connection timeout setting
* @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
* @param {number} [options.reconnectTries=30] Server attempt to reconnect #times
* @param {number} [options.reconnectInterval=1000] Server will wait # milliseconds between retries
* @param {number} [options.monitoring=true] Triggers the server instance to call ismaster
* @param {number} [options.haInterval=10000] The interval of calling ismaster when monitoring is enabled.
* @param {boolean} [options.domainsEnabled=false] Enable the wrapping of the callback in the current domain, disabled by default to avoid perf hit.
* @param {boolean} [options.monitorCommands=false] Enable command monitoring for this topology
* @fires Server#connect
* @fires Server#close
* @fires Server#error
* @fires Server#timeout
* @fires Server#parseError
* @fires Server#reconnect
* @fires Server#commandStarted
* @fires Server#commandSucceeded
* @fires Server#commandFailed
* @property {string} parserType the parser type used (c++ or js).
* @return {Server} a Server instance.
*/
class Server extends TopologyBase {
constructor(host, port, options) {
super();
var self = this;
// Filter the options
options = filterOptions(options, legalOptionNames);
// Promise library
const promiseLibrary = options.promiseLibrary;
// Stored options
var storeOptions = {
force: false,
bufferMaxEntries:
typeof options.bufferMaxEntries === 'number' ? options.bufferMaxEntries : MAX_JS_INT
};
// Shared global store
var store = options.store || new Store(self, storeOptions);
// Detect if we have a socket connection
if (host.indexOf('/') !== -1) {
if (port != null && typeof port === 'object') {
options = port;
port = null;
}
} else if (port == null) {
throw MongoError.create({ message: 'port must be specified', driver: true });
}
// Get the reconnect option
var reconnect = typeof options.auto_reconnect === 'boolean' ? options.auto_reconnect : true;
reconnect = typeof options.autoReconnect === 'boolean' ? options.autoReconnect : reconnect;
// Clone options
var clonedOptions = mergeOptions(
{},
{
host: host,
port: port,
disconnectHandler: store,
cursorFactory: Cursor,
reconnect: reconnect,
emitError: typeof options.emitError === 'boolean' ? options.emitError : true,
size: typeof options.poolSize === 'number' ? options.poolSize : 5,
monitorCommands:
typeof options.monitorCommands === 'boolean' ? options.monitorCommands : false
}
);
// Translate any SSL options and other connectivity options
clonedOptions = translateOptions(clonedOptions, options);
// Socket options
var socketOptions =
options.socketOptions && Object.keys(options.socketOptions).length > 0
? options.socketOptions
: options;
// Translate all the options to the mongodb-core ones
clonedOptions = translateOptions(clonedOptions, socketOptions);
// Build default client information
clonedOptions.clientInfo = this.clientInfo;
// Do we have an application specific string
if (options.appname) {
clonedOptions.clientInfo.application = { name: options.appname };
}
// Define the internal properties
this.s = {
// Create an instance of a server instance from mongodb-core
coreTopology: new CServer(clonedOptions),
// Server capabilities
sCapabilities: null,
// Cloned options
clonedOptions: clonedOptions,
// Reconnect
reconnect: clonedOptions.reconnect,
// Emit error
emitError: clonedOptions.emitError,
// Pool size
poolSize: clonedOptions.size,
// Store Options
storeOptions: storeOptions,
// Store
store: store,
// Host
host: host,
// Port
port: port,
// Options
options: options,
// Server Session Pool
sessionPool: null,
// Active client sessions
sessions: [],
// Promise library
promiseLibrary: promiseLibrary || Promise
};
}
// Connect
connect(_options, callback) {
var self = this;
if ('function' === typeof _options) (callback = _options), (_options = {});
if (_options == null) _options = this.s.clonedOptions;
if (!('function' === typeof callback)) callback = null;
_options = Object.assign({}, this.s.clonedOptions, _options);
self.s.options = _options;
// Update bufferMaxEntries
self.s.storeOptions.bufferMaxEntries =
typeof _options.bufferMaxEntries === 'number' ? _options.bufferMaxEntries : -1;
// Error handler
var connectErrorHandler = function() {
return function(err) {
// Remove all event handlers
var events = ['timeout', 'error', 'close'];
events.forEach(function(e) {
self.s.coreTopology.removeListener(e, connectHandlers[e]);
});
self.s.coreTopology.removeListener('connect', connectErrorHandler);
// Try to callback
try {
callback(err);
} catch (err) {
process.nextTick(function() {
throw err;
});
}
};
};
// Actual handler
var errorHandler = function(event) {
return function(err) {
if (event !== 'error') {
self.emit(event, err);
}
};
};
// Error handler
var reconnectHandler = function() {
self.emit('reconnect', self);
self.s.store.execute();
};
// Reconnect failed
var reconnectFailedHandler = function(err) {
self.emit('reconnectFailed', err);
self.s.store.flush(err);
};
// Destroy called on topology, perform cleanup
var destroyHandler = function() {
self.s.store.flush();
};
// relay the event
var relay = function(event) {
return function(t, server) {
self.emit(event, t, server);
};
};
// Connect handler
var connectHandler = function() {
// Clear out all the current handlers left over
['timeout', 'error', 'close', 'destroy'].forEach(function(e) {
self.s.coreTopology.removeAllListeners(e);
});
// Set up listeners
self.s.coreTopology.on('timeout', errorHandler('timeout'));
self.s.coreTopology.once('error', errorHandler('error'));
self.s.coreTopology.on('close', errorHandler('close'));
// Only called on destroy
self.s.coreTopology.on('destroy', destroyHandler);
// Emit open event
self.emit('open', null, self);
// Return correctly
try {
callback(null, self);
} catch (err) {
process.nextTick(function() {
throw err;
});
}
};
// Set up listeners
var connectHandlers = {
timeout: connectErrorHandler('timeout'),
error: connectErrorHandler('error'),
close: connectErrorHandler('close')
};
// Clear out all the current handlers left over
[
'timeout',
'error',
'close',
'serverOpening',
'serverDescriptionChanged',
'serverHeartbeatStarted',
'serverHeartbeatSucceeded',
'serverHeartbeatFailed',
'serverClosed',
'topologyOpening',
'topologyClosed',
'topologyDescriptionChanged',
'commandStarted',
'commandSucceeded',
'commandFailed'
].forEach(function(e) {
self.s.coreTopology.removeAllListeners(e);
});
// Add the event handlers
self.s.coreTopology.once('timeout', connectHandlers.timeout);
self.s.coreTopology.once('error', connectHandlers.error);
self.s.coreTopology.once('close', connectHandlers.close);
self.s.coreTopology.once('connect', connectHandler);
// Reconnect server
self.s.coreTopology.on('reconnect', reconnectHandler);
self.s.coreTopology.on('reconnectFailed', reconnectFailedHandler);
// Set up SDAM listeners
self.s.coreTopology.on('serverDescriptionChanged', relay('serverDescriptionChanged'));
self.s.coreTopology.on('serverHeartbeatStarted', relay('serverHeartbeatStarted'));
self.s.coreTopology.on('serverHeartbeatSucceeded', relay('serverHeartbeatSucceeded'));
self.s.coreTopology.on('serverHeartbeatFailed', relay('serverHeartbeatFailed'));
self.s.coreTopology.on('serverOpening', relay('serverOpening'));
self.s.coreTopology.on('serverClosed', relay('serverClosed'));
self.s.coreTopology.on('topologyOpening', relay('topologyOpening'));
self.s.coreTopology.on('topologyClosed', relay('topologyClosed'));
self.s.coreTopology.on('topologyDescriptionChanged', relay('topologyDescriptionChanged'));
self.s.coreTopology.on('commandStarted', relay('commandStarted'));
self.s.coreTopology.on('commandSucceeded', relay('commandSucceeded'));
self.s.coreTopology.on('commandFailed', relay('commandFailed'));
self.s.coreTopology.on('attemptReconnect', relay('attemptReconnect'));
self.s.coreTopology.on('monitoring', relay('monitoring'));
// Start connection
self.s.coreTopology.connect(_options);
}
}
Object.defineProperty(Server.prototype, 'poolSize', {
enumerable: true,
get: function() {
return this.s.coreTopology.connections().length;
}
});
Object.defineProperty(Server.prototype, 'autoReconnect', {
enumerable: true,
get: function() {
return this.s.reconnect;
}
});
Object.defineProperty(Server.prototype, 'host', {
enumerable: true,
get: function() {
return this.s.host;
}
});
Object.defineProperty(Server.prototype, 'port', {
enumerable: true,
get: function() {
return this.s.port;
}
});
/**
* Server connect event
*
* @event Server#connect
* @type {object}
*/
/**
* Server close event
*
* @event Server#close
* @type {object}
*/
/**
* Server reconnect event
*
* @event Server#reconnect
* @type {object}
*/
/**
* Server error event
*
* @event Server#error
* @type {MongoError}
*/
/**
* Server timeout event
*
* @event Server#timeout
* @type {object}
*/
/**
* Server parseError event
*
* @event Server#parseError
* @type {object}
*/
/**
* An event emitted indicating a command was started, if command monitoring is enabled
*
* @event Server#commandStarted
* @type {object}
*/
/**
* An event emitted indicating a command succeeded, if command monitoring is enabled
*
* @event Server#commandSucceeded
* @type {object}
*/
/**
* An event emitted indicating a command failed, if command monitoring is enabled
*
* @event Server#commandFailed
* @type {object}
*/
module.exports = Server;

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node_modules/mongodb/lib/topologies/topology_base.js generated vendored Normal file
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'use strict';
const EventEmitter = require('events'),
MongoError = require('mongodb-core').MongoError,
f = require('util').format,
os = require('os'),
translateReadPreference = require('../utils').translateReadPreference,
ClientSession = require('mongodb-core').Sessions.ClientSession;
// The store of ops
var Store = function(topology, storeOptions) {
var self = this;
var storedOps = [];
storeOptions = storeOptions || { force: false, bufferMaxEntries: -1 };
// Internal state
this.s = {
storedOps: storedOps,
storeOptions: storeOptions,
topology: topology
};
Object.defineProperty(this, 'length', {
enumerable: true,
get: function() {
return self.s.storedOps.length;
}
});
};
Store.prototype.add = function(opType, ns, ops, options, callback) {
if (this.s.storeOptions.force) {
return callback(MongoError.create({ message: 'db closed by application', driver: true }));
}
if (this.s.storeOptions.bufferMaxEntries === 0) {
return callback(
MongoError.create({
message: f(
'no connection available for operation and number of stored operation > %s',
this.s.storeOptions.bufferMaxEntries
),
driver: true
})
);
}
if (
this.s.storeOptions.bufferMaxEntries > 0 &&
this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries
) {
while (this.s.storedOps.length > 0) {
var op = this.s.storedOps.shift();
op.c(
MongoError.create({
message: f(
'no connection available for operation and number of stored operation > %s',
this.s.storeOptions.bufferMaxEntries
),
driver: true
})
);
}
return;
}
this.s.storedOps.push({ t: opType, n: ns, o: ops, op: options, c: callback });
};
Store.prototype.addObjectAndMethod = function(opType, object, method, params, callback) {
if (this.s.storeOptions.force) {
return callback(MongoError.create({ message: 'db closed by application', driver: true }));
}
if (this.s.storeOptions.bufferMaxEntries === 0) {
return callback(
MongoError.create({
message: f(
'no connection available for operation and number of stored operation > %s',
this.s.storeOptions.bufferMaxEntries
),
driver: true
})
);
}
if (
this.s.storeOptions.bufferMaxEntries > 0 &&
this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries
) {
while (this.s.storedOps.length > 0) {
var op = this.s.storedOps.shift();
op.c(
MongoError.create({
message: f(
'no connection available for operation and number of stored operation > %s',
this.s.storeOptions.bufferMaxEntries
),
driver: true
})
);
}
return;
}
this.s.storedOps.push({ t: opType, m: method, o: object, p: params, c: callback });
};
Store.prototype.flush = function(err) {
while (this.s.storedOps.length > 0) {
this.s.storedOps
.shift()
.c(
err ||
MongoError.create({ message: f('no connection available for operation'), driver: true })
);
}
};
var primaryOptions = ['primary', 'primaryPreferred', 'nearest', 'secondaryPreferred'];
var secondaryOptions = ['secondary', 'secondaryPreferred'];
Store.prototype.execute = function(options) {
options = options || {};
// Get current ops
var ops = this.s.storedOps;
// Reset the ops
this.s.storedOps = [];
// Unpack options
var executePrimary = typeof options.executePrimary === 'boolean' ? options.executePrimary : true;
var executeSecondary =
typeof options.executeSecondary === 'boolean' ? options.executeSecondary : true;
// Execute all the stored ops
while (ops.length > 0) {
var op = ops.shift();
if (op.t === 'cursor') {
if (executePrimary && executeSecondary) {
op.o[op.m].apply(op.o, op.p);
} else if (
executePrimary &&
op.o.options &&
op.o.options.readPreference &&
primaryOptions.indexOf(op.o.options.readPreference.mode) !== -1
) {
op.o[op.m].apply(op.o, op.p);
} else if (
!executePrimary &&
executeSecondary &&
op.o.options &&
op.o.options.readPreference &&
secondaryOptions.indexOf(op.o.options.readPreference.mode) !== -1
) {
op.o[op.m].apply(op.o, op.p);
}
} else if (op.t === 'auth') {
this.s.topology[op.t].apply(this.s.topology, op.o);
} else {
if (executePrimary && executeSecondary) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
} else if (
executePrimary &&
op.op &&
op.op.readPreference &&
primaryOptions.indexOf(op.op.readPreference.mode) !== -1
) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
} else if (
!executePrimary &&
executeSecondary &&
op.op &&
op.op.readPreference &&
secondaryOptions.indexOf(op.op.readPreference.mode) !== -1
) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
}
}
}
};
Store.prototype.all = function() {
return this.s.storedOps;
};
// Server capabilities
var ServerCapabilities = function(ismaster) {
var setup_get_property = function(object, name, value) {
Object.defineProperty(object, name, {
enumerable: true,
get: function() {
return value;
}
});
};
// Capabilities
var aggregationCursor = false;
var writeCommands = false;
var textSearch = false;
var authCommands = false;
var listCollections = false;
var listIndexes = false;
var maxNumberOfDocsInBatch = ismaster.maxWriteBatchSize || 1000;
var commandsTakeWriteConcern = false;
var commandsTakeCollation = false;
if (ismaster.minWireVersion >= 0) {
textSearch = true;
}
if (ismaster.maxWireVersion >= 1) {
aggregationCursor = true;
authCommands = true;
}
if (ismaster.maxWireVersion >= 2) {
writeCommands = true;
}
if (ismaster.maxWireVersion >= 3) {
listCollections = true;
listIndexes = true;
}
if (ismaster.maxWireVersion >= 5) {
commandsTakeWriteConcern = true;
commandsTakeCollation = true;
}
// If no min or max wire version set to 0
if (ismaster.minWireVersion == null) {
ismaster.minWireVersion = 0;
}
if (ismaster.maxWireVersion == null) {
ismaster.maxWireVersion = 0;
}
// Map up read only parameters
setup_get_property(this, 'hasAggregationCursor', aggregationCursor);
setup_get_property(this, 'hasWriteCommands', writeCommands);
setup_get_property(this, 'hasTextSearch', textSearch);
setup_get_property(this, 'hasAuthCommands', authCommands);
setup_get_property(this, 'hasListCollectionsCommand', listCollections);
setup_get_property(this, 'hasListIndexesCommand', listIndexes);
setup_get_property(this, 'minWireVersion', ismaster.minWireVersion);
setup_get_property(this, 'maxWireVersion', ismaster.maxWireVersion);
setup_get_property(this, 'maxNumberOfDocsInBatch', maxNumberOfDocsInBatch);
setup_get_property(this, 'commandsTakeWriteConcern', commandsTakeWriteConcern);
setup_get_property(this, 'commandsTakeCollation', commandsTakeCollation);
};
// Get package.json variable
const driverVersion = require('../../package.json').version,
nodejsversion = f('Node.js %s, %s', process.version, os.endianness()),
type = os.type(),
name = process.platform,
architecture = process.arch,
release = os.release();
class TopologyBase extends EventEmitter {
constructor() {
super();
// Build default client information
this.clientInfo = {
driver: {
name: 'nodejs',
version: driverVersion
},
os: {
type: type,
name: name,
architecture: architecture,
version: release
},
platform: nodejsversion
};
this.setMaxListeners(Infinity);
}
// Sessions related methods
hasSessionSupport() {
return this.logicalSessionTimeoutMinutes != null;
}
startSession(options, clientOptions) {
const session = new ClientSession(this, this.s.sessionPool, options, clientOptions);
session.once('ended', () => {
this.s.sessions = this.s.sessions.filter(s => !s.equals(session));
});
this.s.sessions.push(session);
return session;
}
endSessions(sessions, callback) {
return this.s.coreTopology.endSessions(sessions, callback);
}
// Server capabilities
capabilities() {
if (this.s.sCapabilities) return this.s.sCapabilities;
if (this.s.coreTopology.lastIsMaster() == null) return null;
this.s.sCapabilities = new ServerCapabilities(this.s.coreTopology.lastIsMaster());
return this.s.sCapabilities;
}
// Command
command(ns, cmd, options, callback) {
this.s.coreTopology.command(ns, cmd, translateReadPreference(options), callback);
}
// Insert
insert(ns, ops, options, callback) {
this.s.coreTopology.insert(ns, ops, options, callback);
}
// Update
update(ns, ops, options, callback) {
this.s.coreTopology.update(ns, ops, options, callback);
}
// Remove
remove(ns, ops, options, callback) {
this.s.coreTopology.remove(ns, ops, options, callback);
}
// IsConnected
isConnected(options) {
options = options || {};
options = translateReadPreference(options);
return this.s.coreTopology.isConnected(options);
}
// IsDestroyed
isDestroyed() {
return this.s.coreTopology.isDestroyed();
}
// Cursor
cursor(ns, cmd, options) {
options = options || {};
options = translateReadPreference(options);
options.disconnectHandler = this.s.store;
options.topology = this;
return this.s.coreTopology.cursor(ns, cmd, options);
}
lastIsMaster() {
return this.s.coreTopology.lastIsMaster();
}
selectServer(selector, options, callback) {
return this.s.coreTopology.selectServer(selector, options, callback);
}
/**
* Unref all sockets
* @method
*/
unref() {
return this.s.coreTopology.unref();
}
auth() {
var args = Array.prototype.slice.call(arguments, 0);
this.s.coreTopology.auth.apply(this.s.coreTopology, args);
}
logout() {
var args = Array.prototype.slice.call(arguments, 0);
this.s.coreTopology.logout.apply(this.s.coreTopology, args);
}
/**
* All raw connections
* @method
* @return {array}
*/
connections() {
return this.s.coreTopology.connections();
}
close(forceClosed) {
// If we have sessions, we want to individually move them to the session pool,
// and then send a single endSessions call.
if (this.s.sessions.length) {
this.s.sessions.forEach(session => session.endSession());
}
if (this.s.sessionPool) {
this.s.sessionPool.endAllPooledSessions();
}
this.s.coreTopology.destroy({
force: typeof forceClosed === 'boolean' ? forceClosed : false
});
// We need to wash out all stored processes
if (forceClosed === true) {
this.s.storeOptions.force = forceClosed;
this.s.store.flush();
}
}
}
// Properties
Object.defineProperty(TopologyBase.prototype, 'bson', {
enumerable: true,
get: function() {
return this.s.coreTopology.s.bson;
}
});
Object.defineProperty(TopologyBase.prototype, 'parserType', {
enumerable: true,
get: function() {
return this.s.coreTopology.parserType;
}
});
Object.defineProperty(TopologyBase.prototype, 'logicalSessionTimeoutMinutes', {
enumerable: true,
get: function() {
return this.s.coreTopology.logicalSessionTimeoutMinutes;
}
});
Object.defineProperty(TopologyBase.prototype, 'type', {
enumerable: true,
get: function() {
return this.s.coreTopology.type;
}
});
exports.Store = Store;
exports.ServerCapabilities = ServerCapabilities;
exports.TopologyBase = TopologyBase;