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task #10495: Added support for IP_MULTICAST_LOOP at socket- and raw-API level.

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This commit is contained in:
goldsimon
2010-07-12 09:34:11 +00:00
parent 714a43b18c
commit 691410ba18
6 changed files with 60 additions and 4 deletions
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32
src/api/sockets.c
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@@ -1524,6 +1524,14 @@ lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
err = EINVAL;
}
break;
case IP_MULTICAST_LOOP:
if (*optlen < sizeof(u8_t)) {
err = EINVAL;
}
if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
err = EAFNOSUPPORT;
}
break;
#endif /* LWIP_IGMP */
default:
@@ -1738,6 +1746,15 @@ lwip_getsockopt_internal(void *arg)
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"X32_F"\n",
s, *(u32_t *)optval));
break;
case IP_MULTICAST_LOOP:
if ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) {
*(u8_t*)optval = 1;
} else {
*(u8_t*)optval = 0;
}
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n",
s, *(int *)optval));
break;
#endif /* LWIP_IGMP */
default:
LWIP_ASSERT("unhandled optname", 0);
@@ -1906,6 +1923,14 @@ lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t opt
err = EAFNOSUPPORT;
}
break;
case IP_MULTICAST_LOOP:
if (optlen < sizeof(u8_t)) {
err = EINVAL;
}
if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
err = EAFNOSUPPORT;
}
break;
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
if (optlen < sizeof(struct ip_mreq)) {
@@ -2098,6 +2123,13 @@ lwip_setsockopt_internal(void *arg)
case IP_MULTICAST_IF:
inet_addr_to_ipaddr(&sock->conn->pcb.udp->multicast_ip, (struct in_addr*)optval);
break;
case IP_MULTICAST_LOOP:
if (*(u8_t*)optval) {
udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);
} else {
udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);
}
break;
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
{