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Sockets in flight gear - check for error conditions (#1793)

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This commit is contained in:
Michal Podhradsky
2016-07-12 16:42:02 -07:00
committed by GitHub
parent 3365fa9e69
commit cf6af76b05
1 changed files with 12 additions and 4 deletions
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sw/simulator/nps/nps_flightgear.c
+12 -4
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@@ -50,8 +50,16 @@ void nps_flightgear_init(const char *host, unsigned int port, unsigned int port
int so_reuseaddr = 1;
struct protoent *pte = getprotobyname("UDP");
flightgear.socket = socket(PF_INET, SOCK_DGRAM, pte->p_proto);
setsockopt(flightgear.socket, SOL_SOCKET, SO_REUSEADDR,
&so_reuseaddr, sizeof(so_reuseaddr));
if (flightgear.socket < 0){
perror("nps_flightgear_init flightgear.socket socket()");
exit(errno);
}
if ( setsockopt(flightgear.socket, SOL_SOCKET, SO_REUSEADDR,
&so_reuseaddr, sizeof(so_reuseaddr)) == -1) {
perror("nps_flightgear_init flightgear.socket setsockopt()");
exit(errno);
}
flightgear.addr.sin_family = PF_INET;
flightgear.addr.sin_port = htons(port);
flightgear.addr.sin_addr.s_addr = inet_addr(host);
@@ -62,12 +70,12 @@ void nps_flightgear_init(const char *host, unsigned int port, unsigned int port
struct sockaddr_in addr_in;
flightgear.socket_in = socket(PF_INET, SOCK_DGRAM, pte->p_proto);
if (flightgear.socket_in < 0) {
perror("nps_flightgear_init socket()");
perror("nps_flightgear_init flightgear.socket_in socket()");
exit(errno);
}
if ( setsockopt(flightgear.socket_in, SOL_SOCKET, SO_REUSEADDR,
&so_reuseaddr, sizeof(so_reuseaddr)) == -1) {
perror("nps_flightgear_init setsockopt()");
perror("nps_flightgear_init flightgear.socket_in setsockopt()");
exit(errno);
}
addr_in.sin_family = PF_INET;