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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// net/tools/testserver/testserver.py is picky about the format of what it
// calls its "echo" messages. One might go so far as to mutter to oneself that
// it isn't an echo server at all.
//
// The response is based on the request but obfuscated using a random key.
const request = "0100000005320000005hello";
var expectedResponsePattern = /0100000005320000005.{11}/;
const socket = chrome.experimental.socket;
var address;
var bytesWritten = 0;
var dataAsString;
var dataRead = [];
var port = -1;
var protocol = "none";
var socketId = 0;
var succeeded = false;
var waitCount = 0;
// Many thanks to Dennis for his StackOverflow answer: http://goo.gl/UDanx
function string2ArrayBuffer(string, callback) {
var bb = new WebKitBlobBuilder();
bb.append(string);
var f = new FileReader();
f.onload = function(e) {
callback(e.target.result);
};
f.readAsArrayBuffer(bb.getBlob());
}
function arrayBuffer2String(buf, callback) {
var bb = new WebKitBlobBuilder();
bb.append(buf);
var f = new FileReader();
f.onload = function(e) {
callback(e.target.result);
};
f.readAsText(bb.getBlob());
}
function arrayBufferToArrayOfLongs(arrayBuffer) {
var longs = [];
var arrayBufferView = new Uint8Array(arrayBuffer);
for (var i = 0; i < arrayBufferView.length; ++i) {
longs[i] = arrayBufferView[i];
}
return longs;
}
function arrayOfLongsToArrayBuffer(longs) {
var arrayBuffer = new ArrayBuffer(longs.length);
var arrayBufferView = new Uint8Array(arrayBuffer);
for (var i = 0; i < longs.length; ++i) {
arrayBufferView[i] = longs[i];
}
return arrayBuffer;
}
var testSocketCreation = function() {
function onCreate(socketInfo) {
chrome.test.assertTrue(socketInfo.socketId > 0);
// TODO(miket): this doesn't work yet. It's possible this will become
// automatic, but either way we can't forget to clean up.
//
//socket.destroy(socketInfo.socketId);
chrome.test.succeed();
}
socket.create(protocol, {onEvent: function(e) {}}, onCreate);
};
function onDataRead(readInfo) {
if (readInfo.resultCode > 0 || readInfo.data.length > 0) {
chrome.test.assertEq(readInfo.resultCode, readInfo.data.length);
}
// TODO(miket): this isn't correct for multiple calls of onDataRead.
arrayBuffer2String(arrayOfLongsToArrayBuffer(readInfo.data), function(s) {
dataAsString = s; // save this for error reporting
if (s.match(expectedResponsePattern)) {
succeeded = true;
chrome.test.succeed();
}
});
// Blocked. Wait for onEvent.
}
function onWriteOrSendToComplete(writeInfo) {
bytesWritten += writeInfo.bytesWritten;
if (bytesWritten == request.length) {
if (protocol == "tcp")
socket.read(socketId, onDataRead);
else
socket.recvFrom(socketId, onDataRead);
}
// Blocked. Wait for onEvent.
}
function onConnectOrBindComplete(connectResult) {
if (connectResult == 0) {
string2ArrayBuffer(request, function(arrayBuffer) {
var longs = arrayBufferToArrayOfLongs(arrayBuffer);
if (protocol == "tcp")
socket.write(socketId, longs, onWriteOrSendToComplete);
else
socket.sendTo(socketId, longs, address, port,
onWriteOrSendToComplete);
});
}
// Blocked. Wait for onEvent.
}
function onCreate(socketInfo) {
socketId = socketInfo.socketId;
chrome.test.assertTrue(socketId > 0, "failed to create socket");
if (protocol == "tcp")
socket.connect(socketId, address, port, onConnectOrBindComplete);
else
socket.bind(socketId, "0.0.0.0", 0, onConnectOrBindComplete);
}
function onEvent(socketEvent) {
if (socketEvent.type == "connectComplete") {
onConnectOrBindComplete(socketEvent.resultCode);
} else if (socketEvent.type == "dataRead") {
onDataRead({resultCode: socketEvent.resultCode, data: socketEvent.data});
} else if (socketEvent.type == "writeComplete") {
onWriteOnSendToComplete(socketEvent.resultCode);
} else {
console.log("Received unhandled socketEvent of type " + socketEvent.type);
}
};
function waitForBlockingOperation() {
if (++waitCount < 10) {
setTimeout(waitForBlockingOperation, 1000);
} else {
// We weren't able to succeed in the given time.
chrome.test.fail("Operations didn't complete after " + waitCount + " " +
"seconds. Response so far was <" + dataAsString + ">.");
}
}
var testSending = function() {
dataRead = "";
succeeded = false;
waitCount = 0;
setTimeout(waitForBlockingOperation, 1000);
socket.create(protocol, {onEvent: onEvent}, onCreate);
};
var onMessageReply = function(message) {
var parts = message.split(":");
protocol = parts[0];
address = parts[1];
port = parseInt(parts[2]);
console.log("Running tests, protocol " + protocol + ", echo server " +
address + ":" + port);
chrome.test.runTests([ testSocketCreation, testSending ]);
};
// Find out which protocol we're supposed to test, and which echo server we
// should be using, then kick off the tests.
chrome.test.sendMessage("info_please", onMessageReply);
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