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|
"use strict";
var CC = Components.Constructor;
const ServerSocket = CC(
"@mozilla.org/network/server-socket;1",
"nsIServerSocket",
"init"
);
/**
* TestServer: A single instance of this is created as |serv|. When created,
* it starts listening on the loopback address on port |serv.port|. Tests will
* connect to it after setting |serv.acceptCallback|, which is invoked after it
* accepts a connection.
*
* Within |serv.acceptCallback|, various properties of |serv| can be used to
* run checks. After the callback, the connection is closed, but the server
* remains listening until |serv.stop|
*
* Note: TestServer can only handle a single connection at a time. Tests
* should use run_next_test at the end of |serv.acceptCallback| to start the
* following test which creates a connection.
*/
function TestServer() {
this.reset();
// start server.
// any port (-1), loopback only (true), default backlog (-1)
this.listener = ServerSocket(-1, true, -1);
this.port = this.listener.port;
info("server: listening on " + this.port);
this.listener.asyncListen(this);
}
TestServer.prototype = {
onSocketAccepted(socket, trans) {
info("server: got client connection");
// one connection at a time.
if (this.input !== null) {
try {
socket.close();
} catch (ignore) {}
do_throw("Test written to handle one connection at a time.");
}
try {
this.input = trans.openInputStream(0, 0, 0);
this.output = trans.openOutputStream(0, 0, 0);
this.selfAddr = trans.getScriptableSelfAddr();
this.peerAddr = trans.getScriptablePeerAddr();
this.acceptCallback();
} catch (e) {
/* In a native callback such as onSocketAccepted, exceptions might not
* get output correctly or logged to test output. Send them through
* do_throw, which fails the test immediately. */
do_report_unexpected_exception(e, "in TestServer.onSocketAccepted");
}
this.reset();
},
onStopListening(socket) {},
/**
* Called to close a connection and clean up properties.
*/
reset() {
if (this.input) {
try {
this.input.close();
} catch (ignore) {}
}
if (this.output) {
try {
this.output.close();
} catch (ignore) {}
}
this.input = null;
this.output = null;
this.acceptCallback = null;
this.selfAddr = null;
this.peerAddr = null;
},
/**
* Cleanup for TestServer and this test case.
*/
stop() {
this.reset();
try {
this.listener.close();
} catch (ignore) {}
},
};
/**
* Helper function.
* Compares two nsINetAddr objects and ensures they are logically equivalent.
*/
function checkAddrEqual(lhs, rhs) {
Assert.equal(lhs.family, rhs.family);
if (lhs.family === Ci.nsINetAddr.FAMILY_INET) {
Assert.equal(lhs.address, rhs.address);
Assert.equal(lhs.port, rhs.port);
}
/* TODO: fully support ipv6 and local */
}
/**
* An instance of SocketTransportService, used to create connections.
*/
var sts;
/**
* Single instance of TestServer
*/
var serv;
/**
* A place for individual tests to place Objects of importance for access
* throughout asynchronous testing. Particularly important for any output or
* input streams opened, as cleanup of those objects (by the garbage collector)
* causes the stream to close and may have other side effects.
*/
var testDataStore = null;
/**
* IPv4 test.
*/
function testIpv4() {
testDataStore = {
transport: null,
ouput: null,
};
serv.acceptCallback = function () {
// disable the timeoutCallback
serv.timeoutCallback = function () {};
var selfAddr = testDataStore.transport.getScriptableSelfAddr();
var peerAddr = testDataStore.transport.getScriptablePeerAddr();
// check peerAddr against expected values
Assert.equal(peerAddr.family, Ci.nsINetAddr.FAMILY_INET);
Assert.equal(peerAddr.port, testDataStore.transport.port);
Assert.equal(peerAddr.port, serv.port);
Assert.equal(peerAddr.address, "127.0.0.1");
// check selfAddr against expected values
Assert.equal(selfAddr.family, Ci.nsINetAddr.FAMILY_INET);
Assert.equal(selfAddr.address, "127.0.0.1");
// check that selfAddr = server.peerAddr and vice versa.
checkAddrEqual(selfAddr, serv.peerAddr);
checkAddrEqual(peerAddr, serv.selfAddr);
testDataStore = null;
executeSoon(run_next_test);
};
// Useful timeout for debugging test hangs
/*serv.timeoutCallback = function(tname) {
if (tname === 'testIpv4')
do_throw('testIpv4 never completed a connection to TestServ');
};
do_timeout(connectTimeout, function(){ serv.timeoutCallback('testIpv4'); });*/
testDataStore.transport = sts.createTransport(
[],
"127.0.0.1",
serv.port,
null,
null
);
/*
* Need to hold |output| so that the output stream doesn't close itself and
* the associated connection.
*/
testDataStore.output = testDataStore.transport.openOutputStream(
Ci.nsITransport.OPEN_BLOCKING,
0,
0
);
/* NEXT:
* openOutputStream -> onSocketAccepted -> acceptedCallback -> run_next_test
* OR (if the above timeout is uncommented)
* <connectTimeout lapses> -> timeoutCallback -> do_throw
*/
}
/**
* Running the tests.
*/
function run_test() {
sts = Cc["@mozilla.org/network/socket-transport-service;1"].getService(
Ci.nsISocketTransportService
);
serv = new TestServer();
registerCleanupFunction(function () {
serv.stop();
});
add_test(testIpv4);
/* TODO: testIpv6 */
/* TODO: testLocal */
run_next_test();
}
|
