// Bug 960397: UDP multicast options "use strict"; var { Constructor: CC } = Components; const UDPSocket = CC( "@mozilla.org/network/udp-socket;1", "nsIUDPSocket", "init" ); const ADDRESS_TEST1 = "224.0.0.200"; const ADDRESS_TEST2 = "224.0.0.201"; const ADDRESS_TEST3 = "224.0.0.202"; const ADDRESS_TEST4 = "224.0.0.203"; const TIMEOUT = 2000; function createSocketAndJoin(addr) { let socket = new UDPSocket( -1, false, Services.scriptSecurityManager.getSystemPrincipal() ); socket.joinMulticast(addr); return socket; } function sendPing(socket, addr) { let ping = "ping"; let rawPing = new TextEncoder().encode(ping); return new Promise((resolve, reject) => { socket.asyncListen({ onPacketReceived(s, message) { info("Received on port " + socket.port); Assert.equal(message.data, ping); socket.close(); resolve(message.data); }, onStopListening(sock, status) {}, }); info("Multicast send to port " + socket.port); socket.send(addr, socket.port, rawPing, rawPing.length); // Timers are bad, but it seems like the only way to test *not* getting a // packet. let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); timer.initWithCallback( () => { socket.close(); reject(); }, TIMEOUT, Ci.nsITimer.TYPE_ONE_SHOT ); }); } add_test(() => { info("Joining multicast group"); let socket = createSocketAndJoin(ADDRESS_TEST1); sendPing(socket, ADDRESS_TEST1).then(run_next_test, () => do_throw("Joined group, but no packet received") ); }); // Disabled on Windows11 for frequent intermittent failures. // See bug 1760123. add_test({ skip_if: () => mozinfo.win11_2009 }, () => { info("Disabling multicast loopback"); let socket = createSocketAndJoin(ADDRESS_TEST2); socket.multicastLoopback = false; sendPing(socket, ADDRESS_TEST2).then( () => do_throw("Loopback disabled, but still got a packet"), run_next_test ); }); // This fails locally on windows 11. add_test({ skip_if: () => mozinfo.win11_2009 }, () => { info("Changing multicast interface"); let socket = createSocketAndJoin(ADDRESS_TEST3); socket.multicastInterface = "127.0.0.1"; sendPing(socket, ADDRESS_TEST3).then( () => do_throw("Changed interface, but still got a packet"), run_next_test ); }); add_test(() => { info("Leaving multicast group"); let socket = createSocketAndJoin(ADDRESS_TEST4); socket.leaveMulticast(ADDRESS_TEST4); sendPing(socket, ADDRESS_TEST4).then( () => do_throw("Left group, but still got a packet"), run_next_test ); });