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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 (function () { |
| 6 var retainedJsSide; |
| 7 var sampleData; |
| 8 var sampleMessage; |
| 9 var BAD_VALUE = 13; |
| 10 var DATA_PIPE_PARAMS = { |
| 11 elementNumBytes: 1, |
| 12 capacityNumBytes: 64 |
| 13 }; |
| 14 |
| 15 function JsSideConnection() { |
| 16 this.binding = new mojo.Binding(jsToCpp.JsSide, this); |
| 17 } |
| 18 |
| 19 JsSideConnection.prototype.setCppSide = function(cppSide) { |
| 20 this.cppSide_ = cppSide; |
| 21 this.cppSide_.startTest(); |
| 22 }; |
| 23 |
| 24 JsSideConnection.prototype.ping = function (arg) { |
| 25 this.cppSide_.pingResponse(); |
| 26 }; |
| 27 |
| 28 JsSideConnection.prototype.echo = function (numIterations, arg) { |
| 29 var dataPipe1; |
| 30 var dataPipe2; |
| 31 var i; |
| 32 var messagePipe1; |
| 33 var messagePipe2; |
| 34 var specialArg; |
| 35 |
| 36 // Ensure expected negative values are negative. |
| 37 if (arg.si64 > 0) |
| 38 arg.si64 = BAD_VALUE; |
| 39 |
| 40 if (arg.si32 > 0) |
| 41 arg.si32 = BAD_VALUE; |
| 42 |
| 43 if (arg.si16 > 0) |
| 44 arg.si16 = BAD_VALUE; |
| 45 |
| 46 if (arg.si8 > 0) |
| 47 arg.si8 = BAD_VALUE; |
| 48 |
| 49 for (i = 0; i < numIterations; ++i) { |
| 50 dataPipe1 = Mojo.createDataPipe(DATA_PIPE_PARAMS); |
| 51 dataPipe2 = Mojo.createDataPipe(DATA_PIPE_PARAMS); |
| 52 messagePipe1 = Mojo.createMessagePipe(); |
| 53 messagePipe2 = Mojo.createMessagePipe(); |
| 54 |
| 55 arg.dataHandle = dataPipe1.consumer; |
| 56 arg.messageHandle = messagePipe1.handle1; |
| 57 |
| 58 specialArg = new jsToCpp.EchoArgs(); |
| 59 specialArg.si64 = -1; |
| 60 specialArg.si32 = -1; |
| 61 specialArg.si16 = -1; |
| 62 specialArg.si8 = -1; |
| 63 specialArg.name = 'going'; |
| 64 specialArg.dataHandle = dataPipe2.consumer; |
| 65 specialArg.messageHandle = messagePipe2.handle1; |
| 66 |
| 67 writeDataPipe(dataPipe1, sampleData); |
| 68 writeDataPipe(dataPipe2, sampleData); |
| 69 writeMessagePipe(messagePipe1, sampleMessage); |
| 70 writeMessagePipe(messagePipe2, sampleMessage); |
| 71 this.cppSide_.echoResponse(createEchoArgsList(specialArg, arg)); |
| 72 |
| 73 dataPipe1.producer.close(); |
| 74 dataPipe2.producer.close(); |
| 75 messagePipe1.handle0.close(); |
| 76 messagePipe2.handle0.close(); |
| 77 } |
| 78 this.cppSide_.testFinished(); |
| 79 }; |
| 80 |
| 81 JsSideConnection.prototype.bitFlip = function (arg) { |
| 82 var iteration = 0; |
| 83 var dataPipe; |
| 84 var messagePipe; |
| 85 var proto = mojo.internal.Connector.prototype; |
| 86 var stopSignalled = false; |
| 87 |
| 88 proto.realAccept = proto.accept; |
| 89 proto.accept = function (message) { |
| 90 var offset = iteration / 8; |
| 91 var mask; |
| 92 var value; |
| 93 if (offset < message.buffer.arrayBuffer.byteLength) { |
| 94 mask = 1 << (iteration % 8); |
| 95 value = message.buffer.getUint8(offset) ^ mask; |
| 96 message.buffer.setUint8(offset, value); |
| 97 return this.realAccept(message); |
| 98 } |
| 99 stopSignalled = true; |
| 100 return false; |
| 101 }; |
| 102 |
| 103 while (!stopSignalled) { |
| 104 messagePipe = Mojo.createMessagePipe(); |
| 105 writeMessagePipe(messagePipe, sampleMessage); |
| 106 arg.messageHandle = messagePipe.handle1; |
| 107 |
| 108 this.cppSide_.bitFlipResponse(createEchoArgsList(arg), null); |
| 109 |
| 110 messagePipe.handle0.close(); |
| 111 iteration += 1; |
| 112 } |
| 113 |
| 114 proto.accept = proto.realAccept; |
| 115 proto.realAccept = null; |
| 116 this.cppSide_.testFinished(); |
| 117 }; |
| 118 |
| 119 JsSideConnection.prototype.backPointer = function (arg) { |
| 120 var iteration = 0; |
| 121 var dataPipe; |
| 122 var messagePipe; |
| 123 var proto = mojo.internal.Connector.prototype; |
| 124 var stopSignalled = false; |
| 125 |
| 126 proto.realAccept = proto.accept; |
| 127 proto.accept = function (message) { |
| 128 var delta = 8 * (1 + iteration % 32); |
| 129 var offset = 8 * ((iteration / 32) | 0); |
| 130 if (offset < message.buffer.arrayBuffer.byteLength - 4) { |
| 131 message.buffer.dataView.setUint32(offset, 0x100000000 - delta, true); |
| 132 message.buffer.dataView.setUint32(offset + 4, 0xffffffff, true); |
| 133 return this.realAccept(message); |
| 134 } |
| 135 stopSignalled = true; |
| 136 return false; |
| 137 }; |
| 138 |
| 139 while (!stopSignalled) { |
| 140 messagePipe = Mojo.createMessagePipe(); |
| 141 writeMessagePipe(messagePipe, sampleMessage); |
| 142 arg.messageHandle = messagePipe.handle1; |
| 143 |
| 144 this.cppSide_.backPointerResponse(createEchoArgsList(arg)); |
| 145 |
| 146 messagePipe.handle0.close(); |
| 147 iteration += 1; |
| 148 } |
| 149 |
| 150 proto.accept = proto.realAccept; |
| 151 proto.realAccept = null; |
| 152 this.cppSide_.testFinished(); |
| 153 }; |
| 154 |
| 155 function writeDataPipe(pipe, data) { |
| 156 var writeResult = pipe.producer.writeData(data); |
| 157 |
| 158 if (writeResult.result != Mojo.RESULT_OK) { |
| 159 console.log('ERROR: Data pipe write result was ' + writeResult.result); |
| 160 return false; |
| 161 } |
| 162 if (writeResult.numBytes != data.length) { |
| 163 console.log('ERROR: Data pipe write length was ' + writeResult.numBytes); |
| 164 return false; |
| 165 } |
| 166 return true; |
| 167 } |
| 168 |
| 169 function writeMessagePipe(pipe, arrayBuffer) { |
| 170 var result = pipe.handle0.writeMessage(arrayBuffer, []); |
| 171 if (result != Mojo.RESULT_OK) { |
| 172 console.log('ERROR: Message pipe write result was ' + result); |
| 173 return false; |
| 174 } |
| 175 return true; |
| 176 } |
| 177 |
| 178 function createEchoArgsListElement(item, next) { |
| 179 var list = new jsToCpp.EchoArgsList(); |
| 180 list.item = item; |
| 181 list.next = next; |
| 182 return list; |
| 183 } |
| 184 |
| 185 function createEchoArgsList() { |
| 186 var genuineArray = Array.prototype.slice.call(arguments); |
| 187 return genuineArray.reduceRight(function (previous, current) { |
| 188 return createEchoArgsListElement(current, previous); |
| 189 }, null); |
| 190 } |
| 191 |
| 192 return function(jsSideRequestHandle) { |
| 193 var i; |
| 194 sampleData = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes); |
| 195 for (i = 0; i < sampleData.length; ++i) { |
| 196 sampleData[i] = i; |
| 197 } |
| 198 sampleMessage = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes); |
| 199 for (i = 0; i < sampleMessage.length; ++i) { |
| 200 sampleMessage[i] = 255 - i; |
| 201 } |
| 202 retainedJsSide = new JsSideConnection; |
| 203 retainedJsSide.binding.bind(jsSideRequestHandle); |
| 204 }; |
| 205 })(); |
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