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From atk...@apache.org
Subject ambari git commit: AMBARI-20694 Add Stomp client adapter. (atkach)
Date Tue, 11 Apr 2017 15:02:15 GMT
Repository: ambari
Updated Branches:
  refs/heads/branch-3.0-perf 2f20b2ed2 -> c093c5f8a


AMBARI-20694 Add Stomp client adapter. (atkach)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/c093c5f8
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/c093c5f8
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/c093c5f8

Branch: refs/heads/branch-3.0-perf
Commit: c093c5f8a2de76ac9b448ae282da8648b297b2ed
Parents: 2f20b2e
Author: Andrii Tkach <atkach@apache.org>
Authored: Tue Apr 11 18:01:50 2017 +0300
Committer: Andrii Tkach <atkach@apache.org>
Committed: Tue Apr 11 18:01:50 2017 +0300

----------------------------------------------------------------------
 ambari-web/app/app.js                      |   2 +
 ambari-web/app/assets/test/tests.js        |   1 +
 ambari-web/app/utils/stomp_client.js       | 172 +++++++++++++++++++++
 ambari-web/brunch-config.js                |   2 +
 ambari-web/test/utils/stomp_client_test.js | 197 ++++++++++++++++++++++++
 ambari-web/vendor/scripts/sockjs.min.js    |   4 +
 ambari-web/vendor/scripts/stomp.min.js     |   8 +
 7 files changed, 386 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/app/app.js
----------------------------------------------------------------------
diff --git a/ambari-web/app/app.js b/ambari-web/app/app.js
index e32084c..c667992 100644
--- a/ambari-web/app/app.js
+++ b/ambari-web/app/app.js
@@ -25,6 +25,7 @@ require('utils/bootstrap_reopen');
 require('utils/ember_reopen');
 require('utils/ember_computed');
 var stringUtils = require('utils/string_utils');
+var stompClientClass = require('utils/stomp_client');
 
 module.exports = Em.Application.create({
   name: 'Ambari Web',
@@ -38,6 +39,7 @@ module.exports = Em.Application.create({
     typeMaps: {},
     recordCache: []
   }),
+  StompClient: stompClientClass.create(),
   isAdmin: false,
   isOperator: false,
   isClusterUser: false,

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/app/assets/test/tests.js
----------------------------------------------------------------------
diff --git a/ambari-web/app/assets/test/tests.js b/ambari-web/app/assets/test/tests.js
index 432479d..4e4133d 100644
--- a/ambari-web/app/assets/test/tests.js
+++ b/ambari-web/app/assets/test/tests.js
@@ -226,6 +226,7 @@ var files = [
   'test/utils/number_utils_test',
   'test/utils/polling_test',
   'test/utils/validator_test',
+  'test/utils/stomp_client_test',
   'test/utils/config_test',
   'test/utils/string_utils_test',
   'test/utils/helper_test',

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/app/utils/stomp_client.js
----------------------------------------------------------------------
diff --git a/ambari-web/app/utils/stomp_client.js b/ambari-web/app/utils/stomp_client.js
new file mode 100644
index 0000000..53fb2ce
--- /dev/null
+++ b/ambari-web/app/utils/stomp_client.js
@@ -0,0 +1,172 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var App = require('app');
+
+module.exports = Em.Object.extend({
+  /**
+   * @type {Stomp}
+   */
+  client: null,
+
+  /**
+   * TODO set actual url
+   * @type string
+   */
+  webSocketUrl: 'ws://localhost:11080/stomp',
+
+  //TODO set actual url
+  sockJsUrl: 'http://localhost:11080/stomp',
+
+  /**
+   * @type {boolean}
+   */
+  isConnected: false,
+
+  /**
+   * @type {boolean}
+   */
+  isWebSocketSupported: true,
+
+  RECONNECT_TIMEOUT: 6000,
+
+  /**
+   * @type {object}
+   */
+  subscriptions: {},
+
+  /**
+   * default headers
+   * @type {object}
+   */
+  headers: {
+    "Authorization": "Basic " + btoa("admin:admin"),
+    "correlationId": 1,
+    "content-type": "text/plain"
+  },
+
+  connect: function(useSockJS) {
+    const dfd = $.Deferred();
+    const socket = this.getSocket(useSockJS);
+    const client = Stomp.over(socket);
+    const headers = this.get('headers');
+
+    client.connect(headers, () => {
+      this.onConnectionSuccess();
+      dfd.resolve();
+    }, () => {
+      this.onConnectionError();
+      dfd.reject();
+    });
+    client.debug = Em.K;
+    this.set('client', client);
+    return dfd.promise();
+  },
+
+  /**
+   *
+   * @param {boolean} useSockJS
+   * @returns {*}
+   */
+  getSocket: function(useSockJS) {
+    if (!WebSocket || useSockJS) {
+      this.set('isWebSocketSupported', false);
+      return new SockJS(this.get('sockJsUrl'));
+    } else {
+      return new WebSocket(this.get('webSocketUrl'));
+    }
+  },
+
+  onConnectionSuccess: function() {
+    this.set('isConnected', true);
+  },
+
+  onConnectionError: function() {
+    if (this.get('isConnected')) {
+      this.reconnect();
+    } else {
+      //if webSocket failed on initial connect then switch to SockJS
+      //TODO enable when SockJS API provided
+      //this.connect(true);
+    }
+  },
+
+  reconnect: function() {
+    const subscriptions = this.get('subscriptions');
+    setTimeout(() => {
+      console.debug('Reconnecting to WebSocket...');
+      this.connect().done(() => {
+        for (var i in subscriptions) {
+          subscriptions[i].unsubscribe();
+          this.subscribe(subscriptions[i].destination, subscriptions[i].callback);
+        }
+      });
+    }, this.RECONNECT_TIMEOUT);
+  },
+
+  disconnect: function () {
+    this.get('client').disconnect();
+  },
+
+  /**
+   *
+   * @param {string} destination
+   * @param {string} body
+   * @param {object} headers
+   */
+  send: function(destination, body, headers = {}) {
+    if (this.get('client.connected')) {
+      this.get('client').send(destination, headers, body);
+      return true;
+    }
+    return false;
+  },
+
+  /**
+   *
+   * @param destination
+   * @param callback
+   * @returns {*}
+   */
+  subscribe: function(destination, callback = Em.K) {
+    if (!this.get('client.connected')) {
+      return null;
+    }
+    const subscription = this.get('client').subscribe(destination, (message) => {
+      callback(JSON.parse(message.body));
+    });
+    subscription.destination = destination;
+    subscription.callback = callback;
+    this.get('subscriptions')[destination] = subscription;
+    return subscription;
+  },
+
+  /**
+   *
+   * @param {string} destination
+   * @returns {boolean}
+   */
+  unsubscribe: function(destination) {
+    if (this.get('subscriptions')[destination]) {
+      this.get('subscriptions')[destination].unsubscribe();
+      delete this.get('subscriptions')[destination];
+      return true;
+    }
+    return false;
+  }
+});

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/brunch-config.js
----------------------------------------------------------------------
diff --git a/ambari-web/brunch-config.js b/ambari-web/brunch-config.js
index 31eb1cb..e27b183 100644
--- a/ambari-web/brunch-config.js
+++ b/ambari-web/brunch-config.js
@@ -82,6 +82,8 @@ module.exports.config = {
           'vendor/scripts/FileSaver.js',
           'vendor/scripts/Blob.js',
           'vendor/scripts/pluralize.js',
+          'vendor/scripts/sockjs.min.js',
+          'vendor/scripts/stomp.min.js',
           'vendor/scripts/theme/bootstrap-ambari.js'
         ]
       }

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/test/utils/stomp_client_test.js
----------------------------------------------------------------------
diff --git a/ambari-web/test/utils/stomp_client_test.js b/ambari-web/test/utils/stomp_client_test.js
new file mode 100644
index 0000000..450ab70
--- /dev/null
+++ b/ambari-web/test/utils/stomp_client_test.js
@@ -0,0 +1,197 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var App = require('app');
+var stompClientClass = require('utils/stomp_client');
+
+describe('App.StompClient', function () {
+  var stomp;
+
+  beforeEach(function() {
+    stomp = stompClientClass.create();
+  });
+
+  describe('#connect', function() {
+    beforeEach(function() {
+      sinon.stub(stomp, 'onConnectionSuccess');
+      sinon.stub(stomp, 'onConnectionError');
+      sinon.stub(stomp, 'getSocket');
+      this.mockStomp = sinon.stub(Stomp, 'over');
+    });
+    afterEach(function() {
+      stomp.onConnectionSuccess.restore();
+      stomp.onConnectionError.restore();
+      stomp.getSocket.restore();
+      this.mockStomp.restore();
+    });
+
+    it('onConnectionSuccess should be called', function() {
+      this.mockStomp.returns({connect: function(headers, success, error) {
+        success();
+      }});
+      stomp.connect();
+      expect(stomp.onConnectionSuccess.calledOnce).to.be.true;
+    });
+    it('onConnectionError should be called', function() {
+      this.mockStomp.returns({connect: function(headers, success, error) {
+        error();
+      }});
+      stomp.connect();
+      expect(stomp.onConnectionError.calledOnce).to.be.true;
+    });
+    it('should set client', function() {
+      this.mockStomp.returns({connect: Em.K});
+      stomp.connect();
+      expect(stomp.get('client')).to.be.eql({
+        connect: Em.K,
+        debug: Em.K
+      });
+    });
+  });
+
+  describe('#getSocket', function() {
+    it('should return WebSocket instance', function() {
+      expect(stomp.getSocket().URL).to.be.equal('ws://localhost:11080/stomp');
+    });
+    it('should return SockJS instance', function() {
+      expect(stomp.getSocket(true).url).to.be.equal('http://localhost:11080/stomp');
+    });
+  });
+
+  describe('#onConnectionSuccess', function() {
+    it('isConnected should be true', function() {
+      stomp.onConnectionSuccess();
+      expect(stomp.get('isConnected')).to.be.true;
+    });
+  });
+
+  describe('#onConnectionError', function() {
+    beforeEach(function() {
+      sinon.stub(stomp, 'reconnect');
+    });
+    afterEach(function() {
+      stomp.reconnect.restore();
+    });
+
+    it('reconnect should be called when isConnected true', function() {
+      stomp.set('isConnected', true);
+      stomp.onConnectionError();
+      expect(stomp.reconnect.calledOnce).to.be.true;
+    });
+  });
+
+  describe('#reconnect', function() {
+    beforeEach(function() {
+      sinon.stub(stomp, 'connect').returns({done: Em.clb});
+      sinon.stub(stomp, 'unsubscribe');
+      sinon.stub(stomp, 'subscribe');
+      this.clock = sinon.useFakeTimers();
+    });
+    afterEach(function() {
+      stomp.connect.restore();
+      stomp.unsubscribe.restore();
+      stomp.subscribe.restore();
+      this.clock.restore();
+    });
+
+    it('should connect and restore subscriptions', function() {
+      var subscriptions = {
+        'foo': {
+          destination: 'foo',
+          callback: Em.K,
+          unsubscribe: sinon.spy()
+        }
+      };
+      stomp.set('subscriptions', subscriptions);
+      stomp.reconnect();
+      this.clock.tick(stomp.RECONNECT_TIMEOUT);
+      expect(subscriptions['foo'].unsubscribe.calledOnce).to.be.true;
+      expect(stomp.subscribe.calledWith('foo', Em.K)).to.be.true;
+    });
+  });
+
+  describe('#disconnect', function() {
+    var client = {
+      disconnect: sinon.spy()
+    };
+
+    it('disconnect should be called', function() {
+      stomp.set('client', client);
+      stomp.disconnect();
+      expect(client.disconnect.calledOnce).to.be.true;
+    });
+  });
+
+  describe('#send', function() {
+    it('send should not be called', function() {
+      var client = {connected: false, send: sinon.spy()};
+      stomp.set('client', client);
+      expect(stomp.send()).to.be.false;
+      expect(client.send.called).to.be.false;
+    });
+    it('send should be called', function() {
+      var client = {connected: true, send: sinon.spy()};
+      stomp.set('client', client);
+      expect(stomp.send('test', 'body', {})).to.be.true;
+      expect(client.send.calledWith('test', {}, 'body')).to.be.true;
+    });
+  });
+
+  describe('#subscribe', function() {
+    it('should not subscribe when client disconnected', function() {
+      var client = {connected: false};
+      stomp.set('client', client);
+      expect(stomp.subscribe('foo')).to.be.null;
+      expect(stomp.get('subscriptions')).to.be.empty;
+    });
+    it('should subscribe when client connected', function() {
+      var client = {
+        connected: true,
+        subscribe: sinon.stub().returns({id: 1})
+      };
+      stomp.set('client', client);
+      expect(stomp.subscribe('foo')).to.be.eql({
+        callback: Em.K,
+        destination: 'foo',
+        id: 1
+      });
+      expect(stomp.get('subscriptions')['foo']).to.be.eql({
+        callback: Em.K,
+        destination: 'foo',
+        id: 1
+      });
+    });
+  });
+
+  describe('#unsubscribe', function() {
+    it('should not unsubscribe when no subscription found', function() {
+      stomp.set('subscriptions', {});
+      expect(stomp.unsubscribe('foo')).to.be.false;
+    });
+    it('should unsubscribe when subscription found', function() {
+      var subscriptions = {
+        'foo': {
+          unsubscribe: sinon.spy()
+        }
+      };
+      stomp.set('subscriptions', subscriptions);
+      expect(stomp.unsubscribe('foo')).to.be.true;
+      expect(stomp.get('subscriptions')).to.be.empty;
+    });
+  });
+});

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/vendor/scripts/sockjs.min.js
----------------------------------------------------------------------
diff --git a/ambari-web/vendor/scripts/sockjs.min.js b/ambari-web/vendor/scripts/sockjs.min.js
new file mode 100644
index 0000000..d67fb1d
--- /dev/null
+++ b/ambari-web/vendor/scripts/sockjs.min.js
@@ -0,0 +1,4 @@
+/* sockjs-client v1.1.2 | http://sockjs.org | MIT license */
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,e.SockJS=t()}}(function(){var t;return function t(e,n,r){function i(s,a){if(!n[s]){if(!e[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var c=n[s]={exports:{}};e[s][0].call(c.exports,function(t){var n=e[s][1][t];return i(n?n:t)},c,c.exports,t,e,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(t,e,n){(function(n){"use strict";var r=t("./transport-list");e.exports=t("./main")(r),"_sockjs_onload"in n&&setTimeout(n._sockjs_onload,1)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?win
 dow:{})},{"./main":14,"./transport-list":16}],2:[function(t,e,n){"use strict";function r(){o.call(this),this.initEvent("close",!1,!1),this.wasClean=!1,this.code=0,this.reason=""}var i=t("inherits"),o=t("./event");i(r,o),e.exports=r},{"./event":4,inherits:54}],3:[function(t,e,n){"use strict";function r(){o.call(this)}var i=t("inherits"),o=t("./eventtarget");i(r,o),r.prototype.removeAllListeners=function(t){t?delete this._listeners[t]:this._listeners={}},r.prototype.once=function(t,e){function n(){r.removeListener(t,n),i||(i=!0,e.apply(this,arguments))}var r=this,i=!1;this.on(t,n)},r.prototype.emit=function(){var t=arguments[0],e=this._listeners[t];if(e){for(var n=arguments.length,r=new Array(n-1),i=1;i<n;i++)r[i-1]=arguments[i];for(var o=0;o<e.length;o++)e[o].apply(this,r)}},r.prototype.on=r.prototype.addListener=o.prototype.addEventListener,r.prototype.removeListener=o.prototype.removeEventListener,e.exports.EventEmitter=r},{"./eventtarget":5,inherits:54}],4:[function(t,e,n){"use st
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 );return n.length?e+n.join("&"):""}var o=Object.prototype.hasOwnProperty;n.stringify=i,n.parse=r},{}],57:[function(t,e,n){"use strict";e.exports=function(t,e){if(e=e.split(":")[0],t=+t,!t)return!1;switch(e){case"http":case"ws":return 80!==t;case"https":case"wss":return 443!==t;case"ftp":return 21!==t;case"gopher":return 70!==t;case"file":return!1}return 0!==t}},{}],58:[function(t,e,n){"use strict";function r(t){var e=u.exec(t);return{protocol:e[1]?e[1].toLowerCase():"",slashes:!!e[2],rest:e[3]}}function i(t,e){for(var n=(e||"/").split("/").slice(0,-1).concat(t.split("/")),r=n.length,i=n[r-1],o=!1,s=0;r--;)"."===n[r]?n.splice(r,1):".."===n[r]?(n.splice(r,1),s++):s&&(0===r&&(o=!0),n.splice(r,1),s--);return o&&n.unshift(""),"."!==i&&".."!==i||n.push(""),n.join("/")}function o(t,e,n){if(!(this instanceof o))return new o(t,e,n);var u,f,h,d,p,v,m=c.slice(),b=typeof e,y=this,g=0;for("object"!==b&&"string"!==b&&(n=e,e=null),n&&"function"!=typeof n&&(n=l.parse),e=a(e),f=r(t||""),u=!f.protoco
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 ",void 0,1,1],[/:(\d+)$/,"port",void 0,1],[NaN,"hostname",void 0,1,1]];o.prototype.set=function(t,e,n){var r=this;switch(t){case"query":"string"==typeof e&&e.length&&(e=(n||l.parse)(e)),r[t]=e;break;case"port":r[t]=e,s(e,r.protocol)?e&&(r.host=r.hostname+":"+e):(r.host=r.hostname,r[t]="");break;case"hostname":r[t]=e,r.port&&(e+=":"+r.port),r.host=e;break;case"host":r[t]=e,/:\d+$/.test(e)?(e=e.split(":"),r.port=e.pop(),r.hostname=e.join(":")):(r.hostname=e,r.port="");break;case"protocol":r.protocol=e.toLowerCase(),r.slashes=!n;break;case"pathname":r.pathname=e.length&&"/"!==e.charAt(0)?"/"+e:e;break;default:r[t]=e}for(var i=0;i<c.length;i++){var o=c[i];o[4]&&(r[o[1]]=r[o[1]].toLowerCase())}return r.origin=r.protocol&&r.host&&"file:"!==r.protocol?r.protocol+"//"+r.host:"null",r.href=r.toString(),r},o.prototype.toString=function(t){t&&"function"==typeof t||(t=l.stringify);var e,n=this,r=n.protocol;r&&":"!==r.charAt(r.length-1)&&(r+=":");var i=r+(n.slashes?"//":"");return n.username&&(i
 +=n.username,n.password&&(i+=":"+n.password),i+="@"),i+=n.host+n.pathname,e="object"==typeof n.query?t(n.query):n.query,e&&(i+="?"!==e.charAt(0)?"?"+e:e),n.hash&&(i+=n.hash),i},o.extractProtocol=r,o.location=a,o.qs=l,e.exports=o},{"./lolcation":59,querystringify:56,"requires-port":57}],59:[function(t,e,n){(function(n){"use strict";var r,i=/^[A-Za-z][A-Za-z0-9+-.]*:\/\//,o={hash:1,query:1};e.exports=function(e){e=e||n.location||{},r=r||t("./");var s,a={},l=typeof e;if("blob:"===e.protocol)a=new r(unescape(e.pathname),{});else if("string"===l){a=new r(e,{});for(s in o)delete a[s]}else if("object"===l){for(s in e)s in o||(a[s]=e[s]);void 0===a.slashes&&(a.slashes=i.test(e.href))}return a}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./":58}]},{},[1])(1)});
+//# sourceMappingURL=sockjs.min.js.map

http://git-wip-us.apache.org/repos/asf/ambari/blob/c093c5f8/ambari-web/vendor/scripts/stomp.min.js
----------------------------------------------------------------------
diff --git a/ambari-web/vendor/scripts/stomp.min.js b/ambari-web/vendor/scripts/stomp.min.js
new file mode 100644
index 0000000..21a429f
--- /dev/null
+++ b/ambari-web/vendor/scripts/stomp.min.js
@@ -0,0 +1,8 @@
+// Generated by CoffeeScript 1.7.1
+/*
+   Stomp Over WebSocket http://www.jmesnil.net/stomp-websocket/doc/ | Apache License V2.0
+
+   Copyright (C) 2010-2013 [Jeff Mesnil](http://jmesnil.net/)
+   Copyright (C) 2012 [FuseSource, Inc.](http://fusesource.com)
+ */
+(function(){var t,e,n,i,r={}.hasOwnProperty,o=[].slice;t={LF:"\n",NULL:"\x00"};n=function(){var e;function n(t,e,n){this.command=t;this.headers=e!=null?e:{};this.body=n!=null?n:""}n.prototype.toString=function(){var e,i,o,s,u;e=[this.command];o=this.headers["content-length"]===false?true:false;if(o){delete this.headers["content-length"]}u=this.headers;for(i in u){if(!r.call(u,i))continue;s=u[i];e.push(""+i+":"+s)}if(this.body&&!o){e.push("content-length:"+n.sizeOfUTF8(this.body))}e.push(t.LF+this.body);return e.join(t.LF)};n.sizeOfUTF8=function(t){if(t){return encodeURI(t).match(/%..|./g).length}else{return 0}};e=function(e){var i,r,o,s,u,a,c,f,h,l,p,d,g,b,m,v,y;s=e.search(RegExp(""+t.LF+t.LF));u=e.substring(0,s).split(t.LF);o=u.shift();a={};d=function(t){return t.replace(/^\s+|\s+$/g,"")};v=u.reverse();for(g=0,m=v.length;g<m;g++){l=v[g];f=l.indexOf(":");a[d(l.substring(0,f))]=d(l.substring(f+1))}i="";p=s+2;if(a["content-length"]){h=parseInt(a["content-length"]);i=(""+e).substring(p
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 ;n=e()-t.serverActivity;if(n>s*2){if(typeof t.debug==="function"){t.debug("did not receive server activity for the last "+n+"ms")}return t.ws.close()}}}(this))}};r.prototype._parseConnect=function(){var t,e,n,i;t=1<=arguments.length?o.call(arguments,0):[];i={};switch(t.length){case 2:i=t[0],e=t[1];break;case 3:if(t[1]instanceof Function){i=t[0],e=t[1],n=t[2]}else{i.login=t[0],i.passcode=t[1],e=t[2]}break;case 4:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3];break;default:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3],i.host=t[4]}return[i,e,n]};r.prototype.connect=function(){var r,s,u,a;r=1<=arguments.length?o.call(arguments,0):[];a=this._parseConnect.apply(this,r);u=a[0],this.connectCallback=a[1],s=a[2];if(typeof this.debug==="function"){this.debug("Opening Web Socket...")}this.ws.onmessage=function(i){return function(r){var o,u,a,c,f,h,l,p,d,g,b,m;c=typeof ArrayBuffer!=="undefined"&&r.data instanceof ArrayBuffer?(o=new Uint8Array(r.data),typeof i.debug==="function"?i.debug("--- got data le
 ngth: "+o.length):void 0,function(){var t,e,n;n=[];for(t=0,e=o.length;t<e;t++){u=o[t];n.push(String.fromCharCode(u))}return n}().join("")):r.data;i.serverActivity=e();if(c===t.LF){if(typeof i.debug==="function"){i.debug("<<< PONG")}return}if(typeof i.debug==="function"){i.debug("<<< "+c)}b=n.unmarshall(c);m=[];for(d=0,g=b.length;d<g;d++){f=b[d];switch(f.command){case"CONNECTED":if(typeof i.debug==="function"){i.debug("connected to server "+f.headers.server)}i.connected=true;i._setupHeartbeat(f.headers);m.push(typeof i.connectCallback==="function"?i.connectCallback(f):void 0);break;case"MESSAGE":p=f.headers.subscription;l=i.subscriptions[p]||i.onreceive;if(l){a=i;h=f.headers["message-id"];f.ack=function(t){if(t==null){t={}}return a.ack(h,p,t)};f.nack=function(t){if(t==null){t={}}return a.nack(h,p,t)};m.push(l(f))}else{m.push(typeof i.debug==="function"?i.debug("Unhandled received MESSAGE: "+f):void 0)}break;case"RECEIPT":m.push(typeof i.onreceipt==="function"?i.onreceipt(f):void 0);b
 reak;case"ERROR":m.push(typeof s==="function"?s(f):void 0);break;default:m.push(typeof i.debug==="function"?i.debug("Unhandled frame: "+f):void 0)}}return m}}(this);this.ws.onclose=function(t){return function(){var e;e="Whoops! Lost connection to "+t.ws.url;if(typeof t.debug==="function"){t.debug(e)}t._cleanUp();return typeof s==="function"?s(e):void 0}}(this);return this.ws.onopen=function(t){return function(){if(typeof t.debug==="function"){t.debug("Web Socket Opened...")}u["accept-version"]=i.VERSIONS.supportedVersions();u["heart-beat"]=[t.heartbeat.outgoing,t.heartbeat.incoming].join(",");return t._transmit("CONNECT",u)}}(this)};r.prototype.disconnect=function(t,e){if(e==null){e={}}this._transmit("DISCONNECT",e);this.ws.onclose=null;this.ws.close();this._cleanUp();return typeof t==="function"?t():void 0};r.prototype._cleanUp=function(){this.connected=false;if(this.pinger){i.clearInterval(this.pinger)}if(this.ponger){return i.clearInterval(this.ponger)}};r.prototype.send=function
 (t,e,n){if(e==null){e={}}if(n==null){n=""}e.destination=t;return this._transmit("SEND",e,n)};r.prototype.subscribe=function(t,e,n){var i;if(n==null){n={}}if(!n.id){n.id="sub-"+this.counter++}n.destination=t;this.subscriptions[n.id]=e;this._transmit("SUBSCRIBE",n);i=this;return{id:n.id,unsubscribe:function(){return i.unsubscribe(n.id)}}};r.prototype.unsubscribe=function(t){delete this.subscriptions[t];return this._transmit("UNSUBSCRIBE",{id:t})};r.prototype.begin=function(t){var e,n;n=t||"tx-"+this.counter++;this._transmit("BEGIN",{transaction:n});e=this;return{id:n,commit:function(){return e.commit(n)},abort:function(){return e.abort(n)}}};r.prototype.commit=function(t){return this._transmit("COMMIT",{transaction:t})};r.prototype.abort=function(t){return this._transmit("ABORT",{transaction:t})};r.prototype.ack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subscription=e;return this._transmit("ACK",n)};r.prototype.nack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subsc
 ription=e;return this._transmit("NACK",n)};return r}();i={VERSIONS:{V1_0:"1.0",V1_1:"1.1",V1_2:"1.2",supportedVersions:function(){return"1.1,1.0"}},client:function(t,n){var r,o;if(n==null){n=["v10.stomp","v11.stomp"]}r=i.WebSocketClass||WebSocket;o=new r(t,n);return new e(o)},over:function(t){return new e(t)},Frame:n};if(typeof exports!=="undefined"&&exports!==null){exports.Stomp=i}if(typeof window!=="undefined"&&window!==null){i.setInterval=function(t,e){return window.setInterval(e,t)};i.clearInterval=function(t){return window.clearInterval(t)};window.Stomp=i}else if(!exports){self.Stomp=i}}).call(this);
\ No newline at end of file


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