static int net_multicastJoinLeave( lua_State *L, int join)
{
size_t il;
ip_addr_t multicast_addr;
ip_addr_t if_addr;
const char *multicast_ip;
const char *if_ip;
NODE_DBG("net_multicastJoin is called.\n");
if(! lua_isstring(L,1) ) return luaL_error( L, "wrong arg type" );
if_ip = luaL_checklstring( L, 1, &il );
if (if_ip != NULL)
if ( if_ip[0] == '\0' || stricmp(if_ip,"any") == 0)
{
if_ip = "0.0.0.0";
il = 7;
}
if (if_ip == NULL || il > 15 || il < 7) return luaL_error( L, "invalid if ip" );
if_addr.addr = ipaddr_addr(if_ip);
if(! lua_isstring(L,2) ) return luaL_error( L, "wrong arg type" );
multicast_ip = luaL_checklstring( L, 2, &il );
if (multicast_ip == NULL || il > 15 || il < 7) return luaL_error( L, "invalid multicast ip" );
multicast_addr.addr = ipaddr_addr(multicast_ip);
if (join)
{
espconn_igmp_join(&if_addr, &multicast_addr);
}
else
{
espconn_igmp_leave(&if_addr, &multicast_addr);
}
return 0;
}
int ICACHE_FLASH_ATTR JoinGropMDNS()
{
uint32_t ip = GetCurrentIP();
if( ip )
{
struct ip_addr grpip;
grpip.addr = MDNS_BRD;
printf( "IGMP Joining: %08x %08x\n", ip, grpip.addr );
ets_memcpy( igmp_bound, &grpip.addr, 4 );
espconn_igmp_join( (ip_addr_t *)&ip, &grpip);
return 0;
}
return 1;
}
