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TCP_USER_TIMEOUT

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This commit is contained in:
Boris-Barboris 2018-04-02 14:02:09 +00:00
parent cdb141ba4a
commit 322438697c
3 changed files with 52 additions and 13 deletions
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3
source/eventcore/driver.d
View file

@ -228,6 +228,9 @@ interface EventDriverSockets {
*/
void setKeepAliveParams(StreamSocketFD socket, Duration idle, Duration interval, int probeCount = 5);
/// Sets `TCP_USER_TIMEOUT` socket option (linux only). https://tools.ietf.org/html/rfc5482
void setUserTimeout(StreamSocketFD socket, Duration timeout);
/** Reads data from a stream socket.
Note that only a single read operation is allowed at once. The caller

50
source/eventcore/drivers/posix/sockets.d
View file

@ -50,10 +50,12 @@ version (linux) {
// Linux-specific TCP options
// https://github.com/torvalds/linux/blob/master/include/uapi/linux/tcp.h#L95
// Some day we should siply import core.sys.linux.netinet.tcp;
enum SOL_TCP = 6;
enum TCP_KEEPIDLE = 4;
enum TCP_KEEPINTVL = 5;
enum TCP_KEEPCNT = 6;
enum TCP_USER_TIMEOUT = 18;
}
version(OSX) {
static if (__VERSION__ < 2077) {
@ -303,22 +305,54 @@ final class PosixEventDriverSockets(Loop : PosixEventLoop) : EventDriverSockets
() @trusted { setsockopt(cast(sock_t)socket, IPPROTO_TCP, TCP_NODELAY, cast(char*)&opt, opt.sizeof); } ();
}
final override void setKeepAlive(StreamSocketFD socket, bool enable)
override void setKeepAlive(StreamSocketFD socket, bool enable) @trusted
{
ubyte opt = enable;
() @trusted { setsockopt(cast(sock_t)socket, SOL_SOCKET, SO_KEEPALIVE, cast(char*)&opt, opt.sizeof); } ();
int opt = enable;
int err = setsockopt(cast(sock_t)socket, SOL_SOCKET, SO_KEEPALIVE, &opt, int.sizeof);
if (err != 0)
{
print("sock error %s", getSocketError);
assert(0, "unable to set SO_KEEPALIVE option");
}
}
override void setKeepAliveParams(StreamSocketFD socket, Duration idle, Duration interval, int probeCount) @trusted
{
version (linux) {
ubyte opt = 1;
setsockopt(cast(sock_t)socket, SOL_SOCKET, SO_KEEPALIVE, cast(char*)&opt, opt.sizeof);
setKeepAlive(socket, true);
int int_opt = cast(int) idle.total!"seconds"();
setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPIDLE, &int_opt, int.sizeof);
int err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPIDLE, &int_opt, int.sizeof);
if (err != 0)
{
print("sock error %s", getSocketError);
assert(0, "unable to set TCP_KEEPIDLE option");
}
int_opt = cast(int) interval.total!"seconds"();
setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPINTVL, &int_opt, int.sizeof);
setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPCNT, &probeCount, int.sizeof);
err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPINTVL, &int_opt, int.sizeof);
if (err != 0)
{
print("sock error %s", getSocketError);
assert(0, "unable to set TCP_KEEPINTVL option");
}
err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_KEEPCNT, &probeCount, int.sizeof);
if (err != 0)
{
print("sock error %s", getSocketError);
assert(0, "unable to set TCP_KEEPCNT option");
}
}
}
override void setUserTimeout(StreamSocketFD socket, Duration timeout) @trusted
{
version (linux) {
uint tmsecs = cast(uint) timeout.total!"msecs";
int err = setsockopt(cast(sock_t)socket, SOL_TCP, TCP_USER_TIMEOUT, &tmsecs, uint.sizeof);
if (err != 0)
{
print("sock error %s", getSocketError);
assert(0, "unable to set TCP_USER_TIMEOUT option");
}
}
}

12
source/eventcore/drivers/winapi/sockets.d
View file

@ -223,15 +223,17 @@ final class WinAPIEventDriverSockets : EventDriverSockets {
override void setKeepAliveParams(StreamSocketFD socket, Duration idle, Duration interval, int probeCount) @trusted
{
if (idle < Duration.zero)
assert(0, "negative idle duration");
if (interval < Duration.zero)
assert(0, "negative interval duration");
tcp_keepalive opts = tcp_keepalive(1, cast(ulong) idle.total!"msecs"(),
cast(ulong) interval.total!"msecs");
int result = WSAIoctl(socket, SIO_KEEPALIVE_VALS, &opts, tcp_keepalive.sizeof, null, 0, null, null);
assert(result == 0);
if (result != 0)
{
print("WSAIoctl SIO_KEEPALIVE_VALS returned %d", result);
assert(0, "unable to set TCP keepAlive parameters");
}
}
override void setUserTimeout(StreamSocketFD socket, Duration timeout) {}
override void read(StreamSocketFD socket, ubyte[] buffer, IOMode mode, IOCallback on_read_finish)
{