Timeout if UDP port isn't reachable
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.
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72ac83e7f2
commit
9b9dd03096
@ -300,6 +300,7 @@ int
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iperf_udp_connect(struct iperf_test *test)
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iperf_udp_connect(struct iperf_test *test)
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{
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{
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int s, buf, sz;
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int s, buf, sz;
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struct timeval tv;
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/* Create and bind our local socket. */
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/* Create and bind our local socket. */
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if ((s = netdial(test->settings->domain, Pudp, test->bind_address, test->bind_port, test->server_hostname, test->server_port)) < 0) {
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if ((s = netdial(test->settings->domain, Pudp, test->bind_address, test->bind_port, test->server_hostname, test->server_port)) < 0) {
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@ -323,6 +324,11 @@ iperf_udp_connect(struct iperf_test *test)
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}
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}
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}
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}
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/* 30 sec timeout for a case when there is a network problem. */
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tv.tv_sec = 30;
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tv.tv_usec = 0;
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setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (struct timeval *)&tv, sizeof(struct timeval));
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/*
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/*
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* Write a datagram to the UDP stream to let the server know we're here.
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* Write a datagram to the UDP stream to let the server know we're here.
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* The server learns our address by obtaining its peer's address.
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* The server learns our address by obtaining its peer's address.
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