GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /lib/node_modules/npm/node_modules/agentkeepalive/lib/_http_agent.js
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// patch from https://github.com/nodejs/node/blob/v7.2.1/lib/_http_agent.js

'use strict';

const net = require('net');
const util = require('util');
const EventEmitter = require('events');
const debug = util.debuglog('http');

// New Agent code.

// The largest departure from the previous implementation is that
// an Agent instance holds connections for a variable number of host:ports.
// Surprisingly, this is still API compatible as far as third parties are
// concerned. The only code that really notices the difference is the
// request object.

// Another departure is that all code related to HTTP parsing is in
// ClientRequest.onSocket(). The Agent is now *strictly*
// concerned with managing a connection pool.

function Agent(options) {
  if (!(this instanceof Agent))
    return new Agent(options);

  EventEmitter.call(this);

  var self = this;

  self.defaultPort = 80;
  self.protocol = 'http:';

  self.options = util._extend({}, options);

  // don't confuse net and make it think that we're connecting to a pipe
  self.options.path = null;
  self.requests = {};
  self.sockets = {};
  self.freeSockets = {};
  self.keepAliveMsecs = self.options.keepAliveMsecs || 1000;
  self.keepAlive = self.options.keepAlive || false;
  self.maxSockets = self.options.maxSockets || Agent.defaultMaxSockets;
  self.maxFreeSockets = self.options.maxFreeSockets || 256;

  // [patch start]
  // free keep-alive socket timeout. By default free socket do not have a timeout.
  self.freeSocketKeepAliveTimeout = self.options.freeSocketKeepAliveTimeout || 0;
  // working socket timeout. By default working socket do not have a timeout.
  self.timeout = self.options.timeout || 0;
  // the socket active time to live, even if it's in use
  this.socketActiveTTL = this.options.socketActiveTTL || null;
  // [patch end]

  self.on('free', function(socket, options) {
    var name = self.getName(options);
    debug('agent.on(free)', name);

    if (socket.writable &&
        self.requests[name] && self.requests[name].length) {
      // [patch start]
      debug('continue handle next request');
      // [patch end]
      self.requests[name].shift().onSocket(socket);
      if (self.requests[name].length === 0) {
        // don't leak
        delete self.requests[name];
      }
    } else {
      // If there are no pending requests, then put it in
      // the freeSockets pool, but only if we're allowed to do so.
      var req = socket._httpMessage;
      if (req &&
          req.shouldKeepAlive &&
          socket.writable &&
          self.keepAlive) {
        var freeSockets = self.freeSockets[name];
        var freeLen = freeSockets ? freeSockets.length : 0;
        var count = freeLen;
        if (self.sockets[name])
          count += self.sockets[name].length;

        if (count > self.maxSockets || freeLen >= self.maxFreeSockets) {
          socket.destroy();
        } else {
          freeSockets = freeSockets || [];
          self.freeSockets[name] = freeSockets;
          socket.setKeepAlive(true, self.keepAliveMsecs);
          socket.unref();
          socket._httpMessage = null;
          self.removeSocket(socket, options);
          freeSockets.push(socket);

          // [patch start]
          // Add a default error handler to avoid Unhandled 'error' event throw on idle socket
          // https://github.com/node-modules/agentkeepalive/issues/25
          // https://github.com/nodejs/node/pull/4482 (fixed in >= 4.4.0 and >= 5.4.0)
          if (socket.listeners('error').length === 0) {
            socket.once('error', freeSocketErrorListener);
          }
          // set free keepalive timer
          // try to use socket custom freeSocketKeepAliveTimeout first
          const freeSocketKeepAliveTimeout = socket.freeSocketKeepAliveTimeout || self.freeSocketKeepAliveTimeout;
          socket.setTimeout(freeSocketKeepAliveTimeout);
          debug(`push to free socket queue and wait for ${freeSocketKeepAliveTimeout}ms`);
          // [patch end]
        }
      } else {
        socket.destroy();
      }
    }
  });
}

util.inherits(Agent, EventEmitter);
exports.Agent = Agent;

// [patch start]
function freeSocketErrorListener(err) {
  var socket = this;
  debug('SOCKET ERROR on FREE socket:', err.message, err.stack);
  socket.destroy();
  socket.emit('agentRemove');
}
// [patch end]

Agent.defaultMaxSockets = Infinity;

Agent.prototype.createConnection = net.createConnection;

// Get the key for a given set of request options
Agent.prototype.getName = function getName(options) {
  var name = options.host || 'localhost';

  name += ':';
  if (options.port)
    name += options.port;

  name += ':';
  if (options.localAddress)
    name += options.localAddress;

  // Pacify parallel/test-http-agent-getname by only appending
  // the ':' when options.family is set.
  if (options.family === 4 || options.family === 6)
    name += ':' + options.family;

  return name;
};

// [patch start]
function handleSocketCreation(req) {
  return function(err, newSocket) {
    if (err) {
      process.nextTick(function() {
        req.emit('error', err);
      });
      return;
    }
    req.onSocket(newSocket);
  }
}
// [patch end]

Agent.prototype.addRequest = function addRequest(req, options, port/*legacy*/,
                                                 localAddress/*legacy*/) {
  // Legacy API: addRequest(req, host, port, localAddress)
  if (typeof options === 'string') {
    options = {
      host: options,
      port,
      localAddress
    };
  }

  options = util._extend({}, options);
  options = util._extend(options, this.options);

  if (!options.servername)
    options.servername = calculateServerName(options, req);

  var name = this.getName(options);
  if (!this.sockets[name]) {
    this.sockets[name] = [];
  }

  var freeLen = this.freeSockets[name] ? this.freeSockets[name].length : 0;
  var sockLen = freeLen + this.sockets[name].length;

  if (freeLen) {
    // we have a free socket, so use that.
    var socket = this.freeSockets[name].shift();
    debug('have free socket');

    // [patch start]
    // remove free socket error event handler
    socket.removeListener('error', freeSocketErrorListener);
    // restart the default timer
    socket.setTimeout(this.timeout);

    if (this.socketActiveTTL && Date.now() - socket.createdTime > this.socketActiveTTL) {
      debug(`socket ${socket.createdTime} expired`);
      socket.destroy();
      return this.createSocket(req, options, handleSocketCreation(req));
    }
    // [patch end]

    // don't leak
    if (!this.freeSockets[name].length)
      delete this.freeSockets[name];

    socket.ref();
    req.onSocket(socket);
    this.sockets[name].push(socket);
  } else if (sockLen < this.maxSockets) {
    debug('call onSocket', sockLen, freeLen);
    // If we are under maxSockets create a new one.
    // [patch start]
    this.createSocket(req, options, handleSocketCreation(req));
    // [patch end]
  } else {
    debug('wait for socket');
    // We are over limit so we'll add it to the queue.
    if (!this.requests[name]) {
      this.requests[name] = [];
    }
    this.requests[name].push(req);
  }
};

Agent.prototype.createSocket = function createSocket(req, options, cb) {
  var self = this;
  options = util._extend({}, options);
  options = util._extend(options, self.options);

  if (!options.servername)
    options.servername = calculateServerName(options, req);

  var name = self.getName(options);
  options._agentKey = name;

  debug('createConnection', name, options);
  options.encoding = null;
  var called = false;
  const newSocket = self.createConnection(options, oncreate);
  // [patch start]
  if (newSocket) {
    oncreate(null, Object.assign(newSocket, { createdTime: Date.now() }));
  }
  // [patch end]
  function oncreate(err, s) {
    if (called)
      return;
    called = true;
    if (err)
      return cb(err);
    if (!self.sockets[name]) {
      self.sockets[name] = [];
    }
    self.sockets[name].push(s);
    debug('sockets', name, self.sockets[name].length);

    function onFree() {
      self.emit('free', s, options);
    }
    s.on('free', onFree);

    function onClose(err) {
      debug('CLIENT socket onClose');
      // This is the only place where sockets get removed from the Agent.
      // If you want to remove a socket from the pool, just close it.
      // All socket errors end in a close event anyway.
      self.removeSocket(s, options);

      // [patch start]
      self.emit('close');
      // [patch end]
    }
    s.on('close', onClose);

    // [patch start]
    // start socket timeout handler
    function onTimeout() {
      debug('CLIENT socket onTimeout');
      s.destroy();
      // Remove it from freeSockets immediately to prevent new requests from being sent through this socket.
      self.removeSocket(s, options);
      self.emit('timeout');
    }
    s.on('timeout', onTimeout);
    // set the default timer
    s.setTimeout(self.timeout);
    // [patch end]

    function onRemove() {
      // We need this function for cases like HTTP 'upgrade'
      // (defined by WebSockets) where we need to remove a socket from the
      // pool because it'll be locked up indefinitely
      debug('CLIENT socket onRemove');
      self.removeSocket(s, options);
      s.removeListener('close', onClose);
      s.removeListener('free', onFree);
      s.removeListener('agentRemove', onRemove);

      // [patch start]
      // remove socket timeout handler
      s.setTimeout(0, onTimeout);
      // [patch end]
    }
    s.on('agentRemove', onRemove);
    cb(null, s);
  }
};

function calculateServerName(options, req) {
  let servername = options.host;
  const hostHeader = req.getHeader('host');
  if (hostHeader) {
    // abc => abc
    // abc:123 => abc
    // [::1] => ::1
    // [::1]:123 => ::1
    if (hostHeader.startsWith('[')) {
      const index = hostHeader.indexOf(']');
      if (index === -1) {
        // Leading '[', but no ']'. Need to do something...
        servername = hostHeader;
      } else {
        servername = hostHeader.substr(1, index - 1);
      }
    } else {
      servername = hostHeader.split(':', 1)[0];
    }
  }
  return servername;
}

Agent.prototype.removeSocket = function removeSocket(s, options) {
  var name = this.getName(options);
  debug('removeSocket', name, 'writable:', s.writable);
  var sets = [this.sockets];

  // If the socket was destroyed, remove it from the free buffers too.
  if (!s.writable)
    sets.push(this.freeSockets);

  for (var sk = 0; sk < sets.length; sk++) {
    var sockets = sets[sk];

    if (sockets[name]) {
      var index = sockets[name].indexOf(s);
      if (index !== -1) {
        sockets[name].splice(index, 1);
        // Don't leak
        if (sockets[name].length === 0)
          delete sockets[name];
      }
    }
  }

  // [patch start]
  var freeLen = this.freeSockets[name] ? this.freeSockets[name].length : 0;
  var sockLen = freeLen + (this.sockets[name] ? this.sockets[name].length : 0);
  // [patch end]

  if (this.requests[name] && this.requests[name].length && sockLen < this.maxSockets) {
    debug('removeSocket, have a request, make a socket');
    var req = this.requests[name][0];
    // If we have pending requests and a socket gets closed make a new one
    this.createSocket(req, options, function(err, newSocket) {
      if (err) {
        process.nextTick(function() {
          req.emit('error', err);
        });
        return;
      }
      newSocket.emit('free');
    });
  }
};

Agent.prototype.destroy = function destroy() {
  var sets = [this.freeSockets, this.sockets];
  for (var s = 0; s < sets.length; s++) {
    var set = sets[s];
    var keys = Object.keys(set);
    for (var v = 0; v < keys.length; v++) {
      var setName = set[keys[v]];
      for (var n = 0; n < setName.length; n++) {
        setName[n].destroy();
      }
    }
  }
};

exports.globalAgent = new Agent();

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