Merge pull request #30 from vibe-d/improve_cancel_conn
Improve cancelStreamConnection and implement on Win32 merged-on-behalf-of: Sönke Ludwig <s-ludwig@users.noreply.github.com>
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commit
88bfabf557
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@ -128,6 +128,19 @@ interface EventDriverSockets {
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StreamSocketFD connectStream(scope Address peer_address, scope Address bind_address, ConnectCallback on_connect);
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/** Aborts asynchronous connect by closing the socket.
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This function may only invoked if the connection state is
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`ConnectionState.connecting`. It will cancel the connection attempt and
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guarantees that the connection callback will not be invoked in the
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future.
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Note that upon completion, the socket handle will be invalid, regardless
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of the number of calls to `addRef`, and must not be used for further
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operations.
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Params:
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sock = Handle of the socket that is currently establishing a
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connection
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*/
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void cancelConnectStream(StreamSocketFD sock);
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@ -84,7 +84,15 @@ final class WinAPIEventDriverSockets : EventDriverSockets {
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final override void cancelConnectStream(StreamSocketFD sock)
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{
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assert(false, "Not implemented");
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assert(sock != StreamSocketFD.invalid, "Invalid socket descriptor");
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with (m_sockets[sock].streamSocket) {
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assert(state == ConnectionState.connecting,
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"Must be in 'connecting' state when calling cancelConnection.");
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clearSocketSlot(sock);
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() @trusted { closesocket(sock); } ();
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}
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}
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override StreamSocketFD adoptStream(int socket)
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40
tests/0-tcp-cancelconn.d
Normal file
40
tests/0-tcp-cancelconn.d
Normal file
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@ -0,0 +1,40 @@
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/++ dub.sdl:
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name "test"
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dependency "eventcore" path=".."
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+/
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module test;
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import eventcore.core;
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import eventcore.socket;
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import std.socket : parseAddress;
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import core.time : Duration, msecs;
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ubyte[256] s_rbuf;
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bool s_done;
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void main()
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{
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// (hopefully) non-existant host, so that the connection times out
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auto baddr = parseAddress("192.0.2.1", 1);
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auto sock = eventDriver.sockets.connectStream(baddr, null, (sock, status) {
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assert(false, "Connection callback should not have been called.");
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});
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assert(sock != StreamSocketFD.invalid, "Expected connection to be in progress.");
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assert(eventDriver.sockets.getConnectionState(sock) == ConnectionState.connecting);
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auto tm = eventDriver.timers.create();
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eventDriver.timers.set(tm, 100.msecs, 0.msecs);
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eventDriver.timers.wait(tm, (tm) {
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assert(eventDriver.sockets.getConnectionState(sock) == ConnectionState.connecting);
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eventDriver.sockets.cancelConnectStream(sock);
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s_done = true;
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});
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ExitReason er;
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do er = eventDriver.core.processEvents(Duration.max);
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while (er == ExitReason.idle);
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assert(er == ExitReason.outOfWaiters);
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assert(s_done);
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s_done = false;
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}
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