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Timeout if UDP port isn't reachable

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Add timeout to the UDP socket. Without it client would block infinitely
if creating a control connection succeeds, but UDP packets are dropped
by firewall.
This commit is contained in:
Hasso Tepper 2014-11-24 10:02:37 +02:00
parent 72ac83e7f2
commit 9b9dd03096
1 changed files with 6 additions and 0 deletions
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6
src/iperf_udp.c
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@ -300,6 +300,7 @@ int
iperf_udp_connect(struct iperf_test *test)
{
int s, buf, sz;
struct timeval tv;
/* Create and bind our local socket. */
if ((s = netdial(test->settings->domain, Pudp, test->bind_address, test->bind_port, test->server_hostname, test->server_port)) < 0) {
@ -323,6 +324,11 @@ iperf_udp_connect(struct iperf_test *test)
}
}
/* 30 sec timeout for a case when there is a network problem. */
tv.tv_sec = 30;
tv.tv_usec = 0;
setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (struct timeval *)&tv, sizeof(struct timeval));
/*
* Write a datagram to the UDP stream to let the server know we're here.
* The server learns our address by obtaining its peer's address.