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How to use maybeReconnect method in redwood

Best JavaScript code snippet using redwood

socket.js

Source:socket.js

1/**2 * socket.io3 * Copyright(c) 2011 LearnBoost <dev@learnboost.com>4 * MIT Licensed5 */6(function (exports, io, global) {7  /**8   * Expose constructor.9   */10  exports.Socket = Socket;11  /**12   * Create a new `Socket.IO client` which can establish a persistent13   * connection with a Socket.IO enabled server.14   *15   * @api public16   */17  function Socket (options) {18    this.options = {19        port: 8020      , secure: false21      , document: 'document' in global ? document : false22      , resource: 'socket.io'23      , transports: io.transports24      , 'connect timeout': 1000025      , 'try multiple transports': true26      , 'reconnect': true27      , 'reconnection delay': 50028      , 'reconnection limit': Infinity29      , 'reopen delay': 300030      , 'max reconnection attempts': 1031      , 'sync disconnect on unload': false32      , 'auto connect': true33      , 'flash policy port': 1084334      , 'manualFlush': false35    };36    io.util.merge(this.options, options);37    this.connected = false;38    this.open = false;39    this.connecting = false;40    this.reconnecting = false;41    this.namespaces = {};42    this.buffer = [];43    this.doBuffer = false;44    if (this.options['sync disconnect on unload'] &&45        (!this.isXDomain() || io.util.ua.hasCORS)) {46      var self = this;47      io.util.on(global, 'beforeunload', function () {48        self.disconnectSync();49      }, false);50    }51    if (this.options['auto connect']) {52      this.connect();53    }54};55  /**56   * Apply EventEmitter mixin.57   */58  io.util.mixin(Socket, io.EventEmitter);59  /**60   * Returns a namespace listener/emitter for this socket61   *62   * @api public63   */64  Socket.prototype.of = function (name) {65    if (!this.namespaces[name]) {66      this.namespaces[name] = new io.SocketNamespace(this, name);67      if (name !== '') {68        this.namespaces[name].packet({ type: 'connect' });69      }70    }71    return this.namespaces[name];72  };73  /**74   * Emits the given event to the Socket and all namespaces75   *76   * @api private77   */78  Socket.prototype.publish = function () {79    this.emit.apply(this, arguments);80    var nsp;81    for (var i in this.namespaces) {82      if (this.namespaces.hasOwnProperty(i)) {83        nsp = this.of(i);84        nsp.$emit.apply(nsp, arguments);85      }86    }87  };88  /**89   * Performs the handshake90   *91   * @api private92   */93  function empty () { };94  Socket.prototype.handshake = function (fn) {95    var self = this96      , options = this.options;97    function complete (data) {98      if (data instanceof Error) {99        self.connecting = false;100        self.onError(data.message);101      } else {102        fn.apply(null, data.split(':'));103      }104    };105    var url = [106          'http' + (options.secure ? 's' : '') + ':/'107        , options.host + ':' + options.port108        , options.resource109        , io.protocol110        , io.util.query(this.options.query, 't=' + +new Date)111      ].join('/');112    if (this.isXDomain() && !io.util.ua.hasCORS) {113      var insertAt = document.getElementsByTagName('script')[0]114        , script = document.createElement('script');115      script.src = url + '&jsonp=' + io.j.length;116      insertAt.parentNode.insertBefore(script, insertAt);117      io.j.push(function (data) {118        complete(data);119        script.parentNode.removeChild(script);120      });121    } else {122      var xhr = io.util.request();123      xhr.open('GET', url, true);124      if (this.isXDomain()) {125        xhr.withCredentials = true;126      }127      xhr.onreadystatechange = function () {128        if (xhr.readyState == 4) {129          xhr.onreadystatechange = empty;130          if (xhr.status == 200) {131            complete(xhr.responseText);132          } else if (xhr.status == 403) {133            self.onError(xhr.responseText);134          } else {135            self.connecting = false;            136            !self.reconnecting && self.onError(xhr.responseText);137          }138        }139      };140      xhr.send(null);141    }142  };143  /**144   * Find an available transport based on the options supplied in the constructor.145   *146   * @api private147   */148  Socket.prototype.getTransport = function (override) {149    var transports = override || this.transports, match;150    for (var i = 0, transport; transport = transports[i]; i++) {151      if (io.Transport[transport]152        && io.Transport[transport].check(this)153        && (!this.isXDomain() || io.Transport[transport].xdomainCheck(this))) {154        return new io.Transport[transport](this, this.sessionid);155      }156    }157    return null;158  };159  /**160   * Connects to the server.161   *162   * @param {Function} [fn] Callback.163   * @returns {io.Socket}164   * @api public165   */166  Socket.prototype.connect = function (fn) {167    if (this.connecting) {168      return this;169    }170    var self = this;171    self.connecting = true;172    173    this.handshake(function (sid, heartbeat, close, transports) {174      self.sessionid = sid;175      self.closeTimeout = close * 1000;176      self.heartbeatTimeout = heartbeat * 1000;177      if(!self.transports)178          self.transports = self.origTransports = (transports ? io.util.intersect(179              transports.split(',')180            , self.options.transports181          ) : self.options.transports);182      self.setHeartbeatTimeout();183      function connect (transports){184        if (self.transport) self.transport.clearTimeouts();185        self.transport = self.getTransport(transports);186        if (!self.transport) return self.publish('connect_failed');187        // once the transport is ready188        self.transport.ready(self, function () {189          self.connecting = true;190          self.publish('connecting', self.transport.name);191          self.transport.open();192          if (self.options['connect timeout']) {193            self.connectTimeoutTimer = setTimeout(function () {194              if (!self.connected) {195                self.connecting = false;196                if (self.options['try multiple transports']) {197                  var remaining = self.transports;198                  while (remaining.length > 0 && remaining.splice(0,1)[0] !=199                         self.transport.name) {}200                    if (remaining.length){201                      connect(remaining);202                    } else {203                      self.publish('connect_failed');204                    }205                }206              }207            }, self.options['connect timeout']);208          }209        });210      }211      connect(self.transports);212      self.once('connect', function (){213        clearTimeout(self.connectTimeoutTimer);214        fn && typeof fn == 'function' && fn();215      });216    });217    return this;218  };219  /**220   * Clears and sets a new heartbeat timeout using the value given by the221   * server during the handshake.222   *223   * @api private224   */225  Socket.prototype.setHeartbeatTimeout = function () {226    clearTimeout(this.heartbeatTimeoutTimer);227    if(this.transport && !this.transport.heartbeats()) return;228    var self = this;229    this.heartbeatTimeoutTimer = setTimeout(function () {230      self.transport.onClose();231    }, this.heartbeatTimeout);232  };233  /**234   * Sends a message.235   *236   * @param {Object} data packet.237   * @returns {io.Socket}238   * @api public239   */240  Socket.prototype.packet = function (data) {241    if (this.connected && !this.doBuffer) {242      this.transport.packet(data);243    } else {244      this.buffer.push(data);245    }246    return this;247  };248  /**249   * Sets buffer state250   *251   * @api private252   */253  Socket.prototype.setBuffer = function (v) {254    this.doBuffer = v;255    if (!v && this.connected && this.buffer.length) {256      if (!this.options['manualFlush']) {257        this.flushBuffer();258      }259    }260  };261  /**262   * Flushes the buffer data over the wire.263   * To be invoked manually when 'manualFlush' is set to true.264   *265   * @api public266   */267  Socket.prototype.flushBuffer = function() {268    this.transport.payload(this.buffer);269    this.buffer = [];270  };271  272  /**273   * Disconnect the established connect.274   *275   * @returns {io.Socket}276   * @api public277   */278  Socket.prototype.disconnect = function () {279    if (this.connected || this.connecting) {280      if (this.open) {281        this.of('').packet({ type: 'disconnect' });282      }283      // handle disconnection immediately284      this.onDisconnect('booted');285    }286    return this;287  };288  /**289   * Disconnects the socket with a sync XHR.290   *291   * @api private292   */293  Socket.prototype.disconnectSync = function () {294    // ensure disconnection295    var xhr = io.util.request();296    var uri = [297        'http' + (this.options.secure ? 's' : '') + ':/'298      , this.options.host + ':' + this.options.port299      , this.options.resource300      , io.protocol301      , ''302      , this.sessionid303    ].join('/') + '/?disconnect=1';304    xhr.open('GET', uri, false);305    xhr.send(null);306    // handle disconnection immediately307    this.onDisconnect('booted');308  };309  /**310   * Check if we need to use cross domain enabled transports. Cross domain would311   * be a different port or different domain name.312   *313   * @returns {Boolean}314   * @api private315   */316  Socket.prototype.isXDomain = function () {317    // if node318    return false;319    // end node320    var port = global.location.port ||321      ('https:' == global.location.protocol ? 443 : 80);322    return this.options.host !== global.location.hostname 323      || this.options.port != port;324  };325  /**326   * Called upon handshake.327   *328   * @api private329   */330  Socket.prototype.onConnect = function () {331    if (!this.connected) {332      this.connected = true;333      this.connecting = false;334      if (!this.doBuffer) {335        // make sure to flush the buffer336        this.setBuffer(false);337      }338      this.emit('connect');339    }340  };341  /**342   * Called when the transport opens343   *344   * @api private345   */346  Socket.prototype.onOpen = function () {347    this.open = true;348  };349  /**350   * Called when the transport closes.351   *352   * @api private353   */354  Socket.prototype.onClose = function () {355    this.open = false;356    clearTimeout(this.heartbeatTimeoutTimer);357  };358  /**359   * Called when the transport first opens a connection360   *361   * @param text362   */363  Socket.prototype.onPacket = function (packet) {364    this.of(packet.endpoint).onPacket(packet);365  };366  /**367   * Handles an error.368   *369   * @api private370   */371  Socket.prototype.onError = function (err) {372    if (err && err.advice) {373      if (err.advice === 'reconnect' && (this.connected || this.connecting)) {374        this.disconnect();375        if (this.options.reconnect) {376          this.reconnect();377        }378      }379    }380    this.publish('error', err && err.reason ? err.reason : err);381  };382  /**383   * Called when the transport disconnects.384   *385   * @api private386   */387  Socket.prototype.onDisconnect = function (reason) {388    var wasConnected = this.connected389      , wasConnecting = this.connecting;390    this.connected = false;391    this.connecting = false;392    this.open = false;393    if (wasConnected || wasConnecting) {394      this.transport.close();395      this.transport.clearTimeouts();396      if (wasConnected) {397        this.publish('disconnect', reason);398        if ('booted' != reason && this.options.reconnect && !this.reconnecting) {399          this.reconnect();400        }401      }402    }403  };404  /**405   * Called upon reconnection.406   *407   * @api private408   */409  Socket.prototype.reconnect = function () {410    this.reconnecting = true;411    this.reconnectionAttempts = 0;412    this.reconnectionDelay = this.options['reconnection delay'];413    var self = this414      , maxAttempts = this.options['max reconnection attempts']415      , tryMultiple = this.options['try multiple transports']416      , limit = this.options['reconnection limit'];417    function reset () {418      if (self.connected) {419        for (var i in self.namespaces) {420          if (self.namespaces.hasOwnProperty(i) && '' !== i) {421              self.namespaces[i].packet({ type: 'connect' });422          }423        }424        self.publish('reconnect', self.transport.name, self.reconnectionAttempts);425      }426      clearTimeout(self.reconnectionTimer);427      self.removeListener('connect_failed', maybeReconnect);428      self.removeListener('connect', maybeReconnect);429      self.reconnecting = false;430      delete self.reconnectionAttempts;431      delete self.reconnectionDelay;432      delete self.reconnectionTimer;433      delete self.redoTransports;434      self.options['try multiple transports'] = tryMultiple;435    };436    function maybeReconnect () {437      if (!self.reconnecting) {438        return;439      }440      if (self.connected) {441        return reset();442      };443      if (self.connecting && self.reconnecting) {444        return self.reconnectionTimer = setTimeout(maybeReconnect, 1000);445      }446      if (self.reconnectionAttempts++ >= maxAttempts) {447        if (!self.redoTransports) {448          self.on('connect_failed', maybeReconnect);449          self.options['try multiple transports'] = true;450          self.transports = self.origTransports;451          self.transport = self.getTransport();452          self.redoTransports = true;453          self.connect();454        } else {455          self.publish('reconnect_failed');456          reset();457        }458      } else {459        if (self.reconnectionDelay < limit) {460          self.reconnectionDelay *= 2; // exponential back off461        }462        self.connect();463        self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts);464        self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay);465      }466    };467    this.options['try multiple transports'] = false;468    this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay);469    this.on('connect', maybeReconnect);470  };471})(472    'undefined' != typeof io ? io : module.exports473  , 'undefined' != typeof io ? io : module.parent.exports474  , this...

Using AI Code Generation

1var redwood = require('redwood-client');2var client = redwood.createClient();3client.maybeReconnect();4var redwood = require('redwood-client');5var client = redwood.createClient();6client.maybeReconnect();7var redwood = require('redwood-client');8var client = redwood.createClient();9client.maybeReconnect();10var redwood = require('redwood-client');11var client = redwood.createClient();12client.maybeReconnect();13var redwood = require('redwood-client');14var client = redwood.createClient();15client.maybeReconnect();16var redwood = require('redwood-client');17var client = redwood.createClient();18client.maybeReconnect();19var redwood = require('redwood-client');20var client = redwood.createClient();21client.maybeReconnect();22var redwood = require('redwood-client');23var client = redwood.createClient();24client.maybeReconnect();25var redwood = require('redwood-client');26var client = redwood.createClient();27client.maybeReconnect();28var redwood = require('redwood-client');29var client = redwood.createClient();30client.maybeReconnect();31var redwood = require('redwood-client');32var client = redwood.createClient();33client.maybeReconnect();34var redwood = require('redwood-client');35var client = redwood.createClient();36client.maybeReconnect();

Using AI Code Generation

1var redwoodClient = require('./redwoodClient');2redwoodClient.maybeReconnect();3var redwoodClient = {4    maybeReconnect: function(){5    }6};7module.exports = redwoodClient;8var redwoodClient = require('./redwoodClient');9redwoodClient.maybeReconnect();10var redwoodClient = {11    maybeReconnect: function(){12    }13};14module.exports = redwoodClient;15var redwoodClient = require('./redwoodClient');16redwoodClient.maybeReconnect();17var redwoodClient = {18    maybeReconnect: function(){19    }20};21module.exports = redwoodClient;

Using AI Code Generation

1var redwood = require('redwood');2var redwoodClient = redwood.createClient({3});4var redwoodClient2 = redwood.createClient({5});6redwoodClient.maybeReconnect(function (err, data) {7  if (err) {8    console.log(err);9  } else {10    console.log(data);11  }12});13redwoodClient2.maybeReconnect(function (err, data) {14  if (err) {15    console.log(err);16  } else {17    console.log(data);18  }19});

Using AI Code Generation

1var redwood = require('./redwood.js');2var rw = new redwood.Redwood();3rw.maybeReconnect();4var Redwood = function() {5    this.maybeReconnect = function() {6        console.log("maybeReconnect");7    }8}9exports.Redwood = Redwood;

Using AI Code Generation

1var redwood = require('redwood');2var config = {3};4var db = redwood.createClient(config);5db.on('connect', function () {6  console.log('connected');7});8db.on('reconnecting', function () {9  console.log('reconnecting');10});11db.on('ready', function () {12  console.log('ready');13});14db.on('error', function (err) {15  console.log('error', err);16});17db.maybeReconnect();18var db = redwood.createClient(config);19db.on('connect', function () {20  console.log('connected');21});22db.on('reconnecting', function () {23  console.log('reconnecting');24});25db.on('ready', function () {26  console.log('ready');27});28db.on('error', function (err) {29  console.log('error', err);30});31db.maybeReconnect();32var redwood = require('redwood');33var config = {34};35var db = redwood.createClient(config);36db.on('connect', function () {37  console.log('connected');38});39db.on('reconnecting', function () {40  console.log('reconnecting');41});42db.on('ready', function () {43  console.log('ready');44});45db.on('error', function (err) {46  console.log('error', err);47});48db.reconnect();

Using AI Code Generation

1var redwood = require('redwoodjs');2var db = new redwood.Db();3  if (err) throw err;4  console.log("connected!");5});6setTimeout(function() {7  console.log("killing db server");8  db.connection.close();9}, 10000);10setTimeout(function() {11  console.log("trying to reconnect");12  db.maybeReconnect(function(err) {13    if (err) throw err;14    console.log("reconnected!");15  });16}, 20000);

Using AI Code Generation

1const redwood = require('redwood-client');2const client = new redwood.Client();3  if (err) {4    console.error('could not connect');5    console.error(err);6    return;7  }8  console.log('connected');9  client.maybeReconnect();10});11  client.maybeReconnect();12    at Object.<anonymous> (C:\Users\myusername\Documents\redwood-client\test.js:13:9)13    at Module._compile (module.js:652:30)14    at Object.Module._extensions..js (module.js:663:10)15    at Module.load (module.js:565:32)16    at tryModuleLoad (module.js:505:12)17    at Function.Module._load (module.js:497:3)18    at Function.Module.runMain (module.js:693:10)19    at startup (bootstrap_node.js:188:16)20const redwood = require('redwood-client');21const client = new redwood.Client();22  if (err) {23    console.error('could not connect');24    console.error(err);25    return;26  }27  console.log('connected');28  client.maybeReconnect();29});30  client.maybeReconnect();

Using AI Code Generation

1var redwood = require('redwood');2var redis = require('redis');3var redisClient = redis.createClient();4redwood.setRedisClient(redisClient);5var redwoodClient = redwood.createClient();6var obj = {7};8redwoodClient.save(obj, function(err, obj) {9  if (err) {10    console.log('Error saving object: ' + err);11  } else {12    console.log('Object saved: ' + obj);13  }14});15redisClient.quit();16setTimeout(function() {17  var redisServer = require('redis-server');18  var server = redisServer(6379);19  server.open(function() {20    console.log('Redis server started');21  });22}, 5000);23setTimeout(function() {24  redwood.maybeReconnect(function(err) {25    if (err) {26      console.log('Error reconnecting to redis server: ' + err);27    } else {28      console.log('Reconnected to redis server');29    }30  });31}, 10000);32setTimeout(function() {33  server.close(function() {34    console.log('Redis server stopped');35  });36}, 15000);37setTimeout(function() {38  redwood.maybeReconnect(function(err) {39    if (err) {40      console.log('Error reconnecting to redis server: ' + err);41    } else {42      console.log('Reconnected to redis server');43    }44  });45}, 20000);46setTimeout(function() {47  server.open(function() {48    console.log('Redis server started');49  });50}, 25000);51setTimeout(function() {52  redwood.maybeReconnect(function(err) {53    if (err) {54      console.log('Error reconnecting to redis server: ' + err);55    } else {56      console.log('Reconnected to redis server');57    }58  });59}, 30000);60setTimeout(function() {61  server.close(function() {

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