ease asserting, constants wrapped for future robustness
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a2d96f1831
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@ -216,7 +216,7 @@ interface EventDriverSockets {
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void setKeepAlive(StreamSocketFD socket, bool enable);
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/** Enables keepalive for the TCP socket and sets additional parameters.
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Silently ignores unsupported systems.
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Silently ignores unsupported systems (anything but Windows and Linux).
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Params:
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socket = Socket file descriptor to set options on.
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@ -51,11 +51,16 @@ version (linux) {
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// Linux-specific TCP options
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// https://github.com/torvalds/linux/blob/master/include/uapi/linux/tcp.h#L95
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// Some day we should siply import core.sys.linux.netinet.tcp;
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enum SOL_TCP = 6;
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enum TCP_KEEPIDLE = 4;
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enum TCP_KEEPINTVL = 5;
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enum TCP_KEEPCNT = 6;
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enum TCP_USER_TIMEOUT = 18;
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static if (!is(typeof(SOL_TCP)))
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enum SOL_TCP = 6;
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static if (!is(typeof(TCP_KEEPIDLE)))
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enum TCP_KEEPIDLE = 4;
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static if (!is(typeof(TCP_KEEPINTVL)))
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enum TCP_KEEPINTVL = 5;
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static if (!is(typeof(TCP_KEEPCNT)))
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enum TCP_KEEPCNT = 6;
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static if (!is(typeof(TCP_USER_TIMEOUT)))
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enum TCP_USER_TIMEOUT = 18;
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}
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version(OSX) {
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static if (__VERSION__ < 2077) {
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@ -310,36 +315,29 @@ final class PosixEventDriverSockets(Loop : PosixEventLoop) : EventDriverSockets
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int opt = enable;
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int err = setsockopt(cast(sock_t)socket, SOL_SOCKET, SO_KEEPALIVE, &opt, int.sizeof);
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if (err != 0)
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{
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print("sock error %s", getSocketError);
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assert(0, "unable to set SO_KEEPALIVE option");
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}
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print("sock error in setKeepAlive: %s", getSocketError);
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}
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override void setKeepAliveParams(StreamSocketFD socket, Duration idle, Duration interval, int probeCount) @trusted
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{
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// dunnno about BSD\OSX, maybe someone should fix it for them later
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version (linux) {
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setKeepAlive(socket, true);
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int int_opt = cast(int) idle.total!"seconds"();
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int err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPIDLE, &int_opt, int.sizeof);
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if (err != 0)
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{
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print("sock error %s", getSocketError);
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assert(0, "unable to set TCP_KEEPIDLE option");
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if (err != 0) {
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print("sock error on setsockopt TCP_KEEPIDLE: %s", getSocketError);
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return;
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}
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int_opt = cast(int) interval.total!"seconds"();
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err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPINTVL, &int_opt, int.sizeof);
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if (err != 0)
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{
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print("sock error %s", getSocketError);
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assert(0, "unable to set TCP_KEEPINTVL option");
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if (err != 0) {
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print("sock error on setsockopt TCP_KEEPINTVL: %s", getSocketError);
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return;
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}
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err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPCNT, &probeCount, int.sizeof);
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if (err != 0)
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{
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print("sock error %s", getSocketError);
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assert(0, "unable to set TCP_KEEPCNT option");
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}
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print("sock error on setsockopt TCP_KEEPCNT: %s", getSocketError);
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}
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}
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@ -349,10 +347,7 @@ final class PosixEventDriverSockets(Loop : PosixEventLoop) : EventDriverSockets
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uint tmsecs = cast(uint) timeout.total!"msecs";
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int err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_USER_TIMEOUT, &tmsecs, uint.sizeof);
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if (err != 0)
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{
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print("sock error %s", getSocketError);
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assert(0, "unable to set TCP_USER_TIMEOUT option");
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}
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print("sock error on setsockopt TCP_USER_TIMEOUT %s", getSocketError);
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}
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}
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@ -225,15 +225,12 @@ final class WinAPIEventDriverSockets : EventDriverSockets {
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override void setKeepAliveParams(StreamSocketFD socket, Duration idle, Duration interval, int probeCount) @trusted
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{
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tcp_keepalive opts = tcp_keepalive(1, cast(ulong) idle.total!"msecs"(),
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cast(ulong) interval.total!"msecs");
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int result = WSAIoctl(socket, SIO_KEEPALIVE_VALS, &opts, cast(uint) tcp_keepalive.sizeof,
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tcp_keepalive opts = tcp_keepalive(1, cast(c_ulong) idle.total!"msecs"(),
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cast(c_ulong) interval.total!"msecs");
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int result = WSAIoctl(socket, SIO_KEEPALIVE_VALS, &opts, cast(DWORD) tcp_keepalive.sizeof,
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null, 0, null, null, null);
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if (result != 0)
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{
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print("WSAIoctl SIO_KEEPALIVE_VALS returned %d", result);
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assert(0, "unable to set TCP keepAlive parameters");
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}
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print("WSAIoctl error on SIO_KEEPALIVE_VALS: %d", WSAGetLastError());
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}
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override void setUserTimeout(StreamSocketFD socket, Duration timeout) {}
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@ -4,6 +4,7 @@ version(Windows):
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public import core.sys.windows.windows;
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public import core.sys.windows.winsock2;
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public import core.stdc.config: c_ulong;
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extern(System) nothrow:
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@ -106,9 +107,9 @@ struct ADDRINFOW {
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// https://msdn.microsoft.com/en-us/library/windows/desktop/dd877220(v=vs.85).aspx
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struct tcp_keepalive {
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ulong onoff;
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ulong keepalivetime;
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ulong keepaliveinterval;
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c_ulong onoff;
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c_ulong keepalivetime;
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c_ulong keepaliveinterval;
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};
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// https://gist.github.com/piscisaureus/906386#file-winsock2-h-L1099
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@ -2,6 +2,7 @@ module eventcore.socket;
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import eventcore.core : eventDriver;
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import eventcore.driver;
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import core.time: Duration;
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import std.exception : enforce;
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import std.socket : Address;
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@ -49,6 +50,11 @@ struct StreamSocket {
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@property ConnectionState state() { return eventDriver.sockets.getConnectionState(m_fd); }
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@property void tcpNoDelay(bool enable) { eventDriver.sockets.setTCPNoDelay(m_fd, enable); }
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void setKeepAlive(bool enable) { eventDriver.sockets.setKeepAlive(m_fd, enable); }
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void setKeepAliveParams(Duration idle, Duration interval, int probeCount = 5) {
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eventDriver.sockets.setKeepAliveParams(m_fd, idle, interval, probeCount);
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}
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void setUserTimeout(Duration timeout) { eventDriver.sockets.setUserTimeout(m_fd, timeout); }
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}
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void read(alias callback)(ref StreamSocket socket, ubyte[] buffer, IOMode mode)
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@ -19,7 +19,7 @@ void main()
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writeln("This doesn't work on macOS. Skipping this test until it is determined that this special case should stay supported.");
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return;
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} else {
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static ubyte[] pack1 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
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auto baddr = new InternetAddress(0x7F000001, 40002);
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@ -8,7 +8,7 @@ import eventcore.core;
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import eventcore.socket;
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import eventcore.internal.utils : print;
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import std.socket : InternetAddress;
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import core.time : Duration, msecs;
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import core.time : Duration, msecs, seconds;
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ubyte[256] s_rbuf;
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bool s_done;
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@ -69,6 +69,10 @@ void main()
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client = sock;
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assert(status == ConnectStatus.connected);
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assert(sock.state == ConnectionState.connected);
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print("Setting keepalive and timeout options");
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client.setKeepAlive(true);
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client.setKeepAliveParams(10.seconds, 10.seconds, 4);
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client.setUserTimeout(5.seconds);
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print("Initial write");
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client.write!((wstatus, bytes) {
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print("Initial write done");
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