js/topology/main.js

   1 // Copyright (c) 2018 Maen Artimy\r
   2 // \r
   3 // Licensed under the Apache License, Version 2.0 (the "License");\r
   4 // you may not use this file except in compliance with the License.\r
   5 // You may obtain a copy of the License at\r
   6 // \r
   7 //   http://www.apache.org/licenses/LICENSE-2.0\r
   8 //\r
   9 // Unless required by applicable law or agreed to in writing, software\r
  10 // distributed under the License is distributed on an "AS IS" BASIS,\r
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 // See the License for the specific language governing permissions and\r
  13 // limitations under the License.\r
  14 \r
  15 /**\r
  16  * All global objects are here.\r
  17  *\r
  18  **/\r
  19 var myGlobalObject = (function () {\r
  20         console.log("myGlobalObject");\r
  21         var dpid = 1; //current datapath (switch) ID\r
  22         var myMasterURL = ""; //"http://localhost:8080";\r
  23 \r
  24         // returns full url for the command sent to the SDN controller\r
  25         var url = function(command) {\r
  26                 var cmd = command.replace("<dpid>",dpid); //dpidStr(dpid));\r
  27                 return myMasterURL + cmd;\r
  28         };\r
  29 \r
  30         // sends asynchronous request to the SDN controller\r
  31         function httpGetAsync(command, callback, element) {\r
  32                 //console.log("httpGetAsync");\r
  33                 var COMPLETE = 4;\r
  34                 var OK = 200;\r
  35                 var NOTFOUND = 404;\r
  36                 var UNAVAILABLE = 503;\r
  37                 // this script is for sending a GET request to a server\r
  38                 var xmlHttp = new XMLHttpRequest();\r
  39                 xmlHttp.onreadystatechange = function() {\r
  40                         if (xmlHttp.readyState == COMPLETE) {\r
  41                                 if(xmlHttp.status == OK) {\r
  42                                         callback(xmlHttp.responseText, element);\r
  43                                 } else {\r
  44                                         console.log(xmlHttp.status);\r
  45                                 }\r
  46                         }\r
  47                 }\r
  48                 xmlHttp.open("GET", url(command), true); // true for asynchronous\r
  49                 xmlHttp.send(null);\r
  50         }\r
  51 \r
  52         function httpPostAsync(command, parm, callback, element) {\r
  53                 //console.log("httpPostAsync");\r
  54                 var COMPLETE = 4;\r
  55                 var OK = 200;\r
  56                 var NOTFOUND = 404;\r
  57                 var UNAVAILABLE = 503;\r
  58                 // this script is for sending a GET request to a server\r
  59                 var xmlHttp = new XMLHttpRequest();\r
  60                 xmlHttp.onreadystatechange = function() {\r
  61                         if (xmlHttp.readyState == COMPLETE) {\r
  62                                 if(xmlHttp.status == OK) {\r
  63                                         callback(xmlHttp.responseText, element);\r
  64                                 } else {\r
  65                                         console.log(xmlHttp.status);\r
  66                                 }\r
  67                         }\r
  68                 }\r
  69                 xmlHttp.open("POST", url(command), true); // true for asynchronous\r
  70                 //xmlHttp.setRequestHeader("Content-Type", "application/json");\r
  71                 xmlHttp.setRequestHeader("Content-Type", "plain/text");\r
  72                 xmlHttp.send(parm);\r
  73         }\r
  74 \r
  75         function dpidStr(dpid) {\r
  76                 return ("000000000000000" + dpid.toString(16)).substr(-16);\r
  77         }\r
  78 \r
  79         function setDPID(str) {\r
  80                 dpid = parseInt(str);\r
  81         }\r
  82 \r
  83         function getDPID() {\r
  84                 return dpid;\r
  85         }\r
  86 \r
  87         // these are the public objects\r
  88         return {\r
  89                 dpid: getDPID,\r
  90                 setDPID: setDPID,\r
  91                 httpGetAsync: httpGetAsync,\r
  92                 httpPostAsync: httpPostAsync,\r
  93         }\r
  94 })();\r