susyweb

<!doctype html> <html lang="en"> <head> <title>Code coverage report for packages/susyweb-providers-ipc/src/index.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">all files</a> / <a href="index.html">packages/susyweb-providers-ipc/src/</a> index.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 32.14% Statements 36/112 </div> <div class='fl pad1y space-right2'> 7.5% Branches 3/40 </div> <div class='fl pad1y space-right2'> 20.83% Functions 5/24 </div> <div class='fl pad1y space-right2'> 32.14% Lines 36/112 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315</td><td class="line-coverage quiet">                                                2× 2× 2×     2× 26× 26× 26× 26×   26×   26×     26×                                                           26×       26×                     2× 26×   26×     26× 26×     26×                   26×                           2×                                                                                                             2×                         2× 26×                         2×         2×                                 2×   46×     46×   46× 46×                             2×                             2×                                             2×                                 2×                     2×    </td><td class="text"><pre class="prettyprint lang-js">/* This file is part of susyweb.js.   susyweb.js is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.   susyweb.js is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MSRCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public License along with susyweb.js. If not, see <http://www.gnu.org/licenses/>. */ /** @file index.js * @authors: * Fabian Vogelsteller <fabian@ethereum.org> * @date 2015 */   "use strict";   var _ = require('underscore'); var errors = require('susyweb-core-helpers').errors; var oboe = require('oboe');     var IpcProvider = function IpcProvider(path, net) { var _this = this; this.responseCallbacks = {}; this.notificationCallbacks = []; this.path = path;   this.connection = net.connect({path: this.path});   this.addDefaultEvents();   // LISTEN FOR CONNECTION RESPONSES var callback = function(result) { /*jshint maxcomplexity: 6 */   var id = null;   // get the id which matches the returned id if(_.isArray(result)) { result.forEach(function(load){ if(_this.responseCallbacks[load.id]) id = load.id; }); } else { id = result.id; }   // notification if(!id && result.method.indexOf('_subscription') !== -1) { _this.notificationCallbacks.forEach(function(callback){ if(_.isFunction(callback)) callback(null, result); });   // fire the callback } else if(_this.responseCallbacks[id]) { _this.responseCallbacks[id](null, result); delete _this.responseCallbacks[id]; } };   // use oboe.js for Sockets Iif (net.constructor.name === 'Socket') { oboe(this.connection) .done(callback); } else { this.connection.on('data', function(data){ _this._parseResponse(data.toString()).forEach(callback); }); } };   /** Will add the error and end event to timeout existing calls   @method addDefaultEvents */ IpcProvider.prototype.addDefaultEvents = function(){ var _this = this;   this.connection.on('connect', function(){ });   this.connection.on('error', function(){ _this._timeout(); });   this.connection.on('end', function(){ _this._timeout();   // inform notifications _this.notificationCallbacks.forEach(function (callback) { if (_.isFunction(callback)) callback(new Error('IPC socket connection closed')); }); });   this.connection.on('timeout', function(){ _this._timeout(); }); };     /** Will parse the response and make an array out of it.   NOTE, this exists for backwards compatibility reasons.   @method _parseResponse @param {String} data */ IpcProvider.prototype._parseResponse = function(data) { var _this = this, returnValues = [];   // DE-CHUNKER var dechunkedData = data .replace(/\}[\n\r]?\{/g,'}|--|{') // }{ .replace(/\}\][\n\r]?\[\{/g,'}]|--|[{') // }][{ .replace(/\}[\n\r]?\[\{/g,'}|--|[{') // }[{ .replace(/\}\][\n\r]?\{/g,'}]|--|{') // }]{ .split('|--|');   dechunkedData.forEach(function(data){   // prepend the last chunk if(_this.lastChunk) data = _this.lastChunk + data;   var result = null;   try { result = JSON.parse(data);   } catch(e) {   _this.lastChunk = data;   // start timeout to cancel all requests clearTimeout(_this.lastChunkTimeout); _this.lastChunkTimeout = setTimeout(function(){ _this._timeout(); throw errors.InvalidResponse(data); }, 1000 * 15);   return; }   // cancel timeout and set chunk to null clearTimeout(_this.lastChunkTimeout); _this.lastChunk = null;   if(result) returnValues.push(result); });   return returnValues; };     /** Get the adds a callback to the responseCallbacks object, which will be called if a response matching the response Id will arrive.   @method _addResponseCallback */ IpcProvider.prototype._addResponseCallback = function(payload, callback) { var id = payload.id || payload[0].id; var method = payload.method || payload[0].method;   this.responseCallbacks[id] = callback; this.responseCallbacks[id].method = method; };   /** Timeout all requests when the end/error event is fired   @method _timeout */ IpcProvider.prototype._timeout = function() { for(var key in this.responseCallbacks) { if(this.responseCallbacks.hasOwnProperty(key)){ this.responseCallbacks[key](errors.InvalidConnection('on IPC')); delete this.responseCallbacks[key]; } } };   /** Try to reconnect   @method reconnect */ IpcProvider.prototype.reconnect = function() { this.connection.connect({path: this.path}); };     IpcProvider.prototype.send = function (payload, callback) { // try reconnect, when connection is gone if(!this.connection.writable) this.connection.connect({path: this.path});     this.connection.write(JSON.stringify(payload)); this._addResponseCallback(payload, callback); };   /** Subscribes to provider events.provider   @method on @param {String} type 'notification', 'connect', 'error', 'end' or 'data' @param {Function} callback the callback to call */ IpcProvider.prototype.on = function (type, callback) {   Iif(typeof callback !== 'function') throw new Error('The second parameter callback must be a function.');   switch(type){ case 'data': this.notificationCallbacks.push(callback); break;   default: this.connection.on(type, callback); break; } };   /** Subscribes to provider events.provider   @method on @param {String} type 'connect', 'error', 'end' or 'data' @param {Function} callback the callback to call */ IpcProvider.prototype.once = function (type, callback) {   if(typeof callback !== 'function') throw new Error('The second parameter callback must be a function.');   this.connection.once(type, callback); };   /** Removes event listener   @method removeListener @param {String} type 'data', 'connect', 'error', 'end' or 'data' @param {Function} callback the callback to call */ IpcProvider.prototype.removeListener = function (type, callback) { var _this = this;   switch(type){ case 'data': this.notificationCallbacks.forEach(function(cb, index){ if(cb === callback) _this.notificationCallbacks.splice(index, 1); }); break;   default: this.connection.removeListener(type, callback); break; } };   /** Removes all event listeners   @method removeAllListeners @param {String} type 'data', 'connect', 'error', 'end' or 'data' */ IpcProvider.prototype.removeAllListeners = function (type) { switch(type){ case 'data': this.notificationCallbacks = []; break;   default: this.connection.removeAllListeners(type); break; } };   /** Resets the providers, clears all callbacks   @method reset */ IpcProvider.prototype.reset = function () { this._timeout(); this.notificationCallbacks = [];   this.connection.removeAllListeners('error'); this.connection.removeAllListeners('end'); this.connection.removeAllListeners('timeout');   this.addDefaultEvents(); };   module.exports = IpcProvider;    </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Sat Jul 22 2017 12:47:05 GMT+0200 (CEST) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>