blob: 0dde43f0289762d62a91b224a1b45a84dde0fbe6 [file] [log] [blame]
// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/common/socket.h"
#include <arpa/inet.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/types.h>
#include "starboard/common/log.h"
#include "starboard/shared/posix/socket_internal.h"
namespace sbposix = starboard::shared::posix;
bool SbSocketJoinMulticastGroup(SbSocket socket,
const SbSocketAddress* address) {
if (!SbSocketIsValid(socket)) {
errno = EBADF;
return false;
}
if (!address) {
errno = EINVAL;
return false;
}
SB_DCHECK(socket->socket_fd >= 0);
struct ip_mreq imreq = {0};
in_addr_t in_addr = *reinterpret_cast<const in_addr_t*>(address->address);
imreq.imr_multiaddr.s_addr = in_addr;
imreq.imr_interface.s_addr = INADDR_ANY;
int result = setsockopt(socket->socket_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
&imreq, sizeof(imreq));
if (result != 0) {
SB_LOG(ERROR) << "Failed to IP_ADD_MEMBERSHIP on socket "
<< socket->socket_fd << ", errno = " << errno;
socket->error = sbposix::TranslateSocketErrno(errno);
return false;
}
socket->error = kSbSocketOk;
return true;
}