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Set SO_KEEPALIVE on the socket so that we don't hang forever

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This commit is contained in:
Frank Denis
2015-11-16 09:52:05 +01:00
parent 4944e76f97
commit dae5d4a800
1 changed files with 9 additions and 0 deletions
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9
src/main.c
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@@ -93,6 +93,14 @@ static void sk_set_reuseaddr (int fd)
perror("setsockopt SO_REUSEADDR"); perror("setsockopt SO_REUSEADDR");
} }
static void sk_set_keepalive (int fd)
{
int val = 1;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(val))==-1)
perror("setsockopt SO_KEEPALIVE");
}
#ifdef TCP_CONGESTION #ifdef TCP_CONGESTION
static void sk_set_congestion (int fd, const char *name) static void sk_set_congestion (int fd, const char *name)
{ {
@@ -733,6 +741,7 @@ int main (int argc, char **argv)
sk_set_nodelay(sock.fd); sk_set_nodelay(sock.fd);
fd_set_nonblock(sock.fd); fd_set_nonblock(sock.fd);
sk_set_keepalive(sock.fd);
sk_set_congestion(sock.fd, congestion); sk_set_congestion(sock.fd, congestion);
switch (gt_setup_crypto(&ctx, sock.fd, listener)) { switch (gt_setup_crypto(&ctx, sock.fd, listener)) {