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added qse_set_sck_keepalive()

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hyung-hwan
2022-01-31 12:50:52 +00:00
parent 81c1e4b315
commit 74e9bc3826
2 changed files with 27 additions and 0 deletions
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8
qse/include/qse/si/sck.h
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@ -121,6 +121,14 @@ QSE_EXPORT int qse_fini_sck_conn (
qse_sck_hnd_t handle
);
QSE_EXPORT int qse_set_sck_keepalive (
qse_sck_hnd_t handle,
int enabled,
int tcp_keepidle,
int tcp_keepintvl,
int tcp_keepcnt
);
#if defined(__cplusplus)
}
#endif

19
qse/lib/si/sck.c
View File

@ -343,6 +343,25 @@ int qse_fini_sck_conn (qse_sck_hnd_t handle)
return 1; /* connected */
}
int qse_set_sck_keepalive (qse_sck_hnd_t handle, int enabled, int tcp_keepidle, int tcp_keepintvl, int tcp_keepcnt)
{
if (setsockopt(handle, SOL_SOCKET, SO_KEEPALIVE, (char*)&enabled, QSE_SIZEOF(enabled)) <= -1) return -1;
// the following values are just hints.
// i don't care about success and failure
#if defined(TCP_KEEPIDLE) && defined(SOL_TCP)
if (tcp_keepidle > 0) setsockopt (handle, SOL_TCP, TCP_KEEPIDLE, (char*)&tcp_keepidle, QSE_SIZEOF(tcp_keepidle));
#endif
#if defined(TCP_KEEPINTVL) && defined(SOL_TCP)
if (tcp_keepintvl > 0) setsockopt (handle, SOL_TCP, TCP_KEEPINTVL, (char*)&tcp_keepintvl, QSE_SIZEOF(tcp_keepintvl));
#endif
#if defined(TCP_KEEPCNT) && defined(SOL_TCP)
if (tcp_keepcnt > 0) setsockopt (handle, SOL_TCP, TCP_KEEPCNT, (char*)&tcp_keepcnt, QSE_SIZEOF(tcp_keepcnt));
#endif
return 0;
}
#if 0
qse_sck_hnd_t