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Add nsock_setdevice function.

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This function allows setting the device that will be used in
SO_BINDTODEVICE setsockopt calls for all new sockets.
This commit is contained in:
david
2012-10-03 15:43:16 +00:00
parent b0c3b7b1f4
commit 3e9f862ce3
4 changed files with 23 additions and 0 deletions
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9
nsock/src/nsock_connect.c
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@@ -95,6 +95,15 @@ static int nsock_make_socket(mspool *ms, msiod *iod, int family, int proto) {
nsock_trace(ms, "Setting of IP options failed (IOD #%li)", iod->id);
}
}
if (ms->device) {
#ifdef SO_BINDTODEVICE
errno = 0;
if (setsockopt(iod->sd, SOL_SOCKET, SO_BINDTODEVICE, ms->device, strlen(ms->device) + 1) == -1) {
if ((errno != EPERM && ms->tracelevel > 0) || ms->tracelevel > 5)
nsock_trace(ms, "Setting of SO_BROADCAST failed (IOD #%li)", iod->id);
}
#endif
}
if (ms->broadcast) {
if (setsockopt(iod->sd, SOL_SOCKET, SO_BROADCAST, (const char *)&(ms->broadcast), sizeof(int)) == -1) {
if (ms->tracelevel > 0)