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apply tcp keepalive to serving sockets

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This commit is contained in:
James F. Carter
2018-01-10 13:49:22 +00:00
parent 24f1e62a73
commit 1d5b315f17
4 changed files with 49 additions and 0 deletions
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28
src/common/sockutil.c
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@@ -68,6 +68,34 @@ int sock_set_reuseaddr( int fd, int optval )
return setsockopt( fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval) );
}
int sock_set_keepalive_params( int fd, int time, int intvl, int probes)
{
return sock_set_keepalive(fd, 1) ||
sock_set_tcp_keepidle(fd, time) ||
sock_set_tcp_keepintvl(fd, intvl) ||
sock_set_tcp_keepcnt(fd, probes);
}
int sock_set_keepalive( int fd, int optval )
{
return setsockopt( fd, SOL_SOCKET, SO_KEEPALIVE, &optval, sizeof(optval) );
}
int sock_set_tcp_keepidle( int fd, int optval )
{
return setsockopt( fd, IPPROTO_TCP, TCP_KEEPIDLE, &optval, sizeof(optval) );
}
int sock_set_tcp_keepintvl( int fd, int optval )
{
return setsockopt( fd, IPPROTO_TCP, TCP_KEEPINTVL, &optval, sizeof(optval) );
}
int sock_set_tcp_keepcnt( int fd, int optval )
{
return setsockopt( fd, IPPROTO_TCP, TCP_KEEPCNT, &optval, sizeof(optval) );
}
/* Set the tcp_nodelay option */
int sock_set_tcp_nodelay( int fd, int optval )
{