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Merge pull request #206 from ncopa/create-socket-on-first-sendto

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Create socket on first sendto if family agnostic udp() was used
This commit is contained in:
Diego Nehab 2017-01-25 13:15:51 -02:00 committed by GitHub
commit 843fe9b65f
1 changed files with 21 additions and 0 deletions
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21
src/udp.c
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@ -189,6 +189,27 @@ static int meth_sendto(lua_State *L) {
lua_pushstring(L, gai_strerror(err)); lua_pushstring(L, gai_strerror(err));
return 2; return 2;
} }
/* create socket if on first sendto if AF_UNSPEC was set */
if (udp->family == AF_UNSPEC && udp->sock == SOCKET_INVALID) {
struct addrinfo *ap;
const char *errstr = NULL;
for (ap = ai; ap != NULL; ap = ap->ai_next) {
errstr = inet_trycreate(&udp->sock, ap->ai_family, SOCK_DGRAM, 0);
if (errstr == NULL) {
socket_setnonblocking(&udp->sock);
udp->family = ap->ai_family;
break;
}
}
if (errstr != NULL) {
lua_pushnil(L);
lua_pushstring(L, errstr);
freeaddrinfo(ai);
return 2;
}
}
timeout_markstart(tm); timeout_markstart(tm);
err = socket_sendto(&udp->sock, data, count, &sent, ai->ai_addr, err = socket_sendto(&udp->sock, data, count, &sent, ai->ai_addr,
(socklen_t) ai->ai_addrlen, tm); (socklen_t) ai->ai_addrlen, tm);