blob: ec21641c2ef6828860b83504c7361f9e5da19ee8 [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/socket.h"
#include <errno.h>
#include <sys/socket.h>
#include "starboard/log.h"
#include "starboard/shared/posix/socket_internal.h"
namespace sbposix = starboard::shared::posix;
int SbSocketSendTo(SbSocket socket,
const char* data,
int data_size,
const SbSocketAddress* destination) {
#if defined(MSG_NOSIGNAL)
const int kSendFlags = MSG_NOSIGNAL;
#else
const int kSendFlags = 0;
#endif
if (!SbSocketIsValid(socket)) {
errno = EBADF;
return -1;
}
SB_DCHECK(socket->socket_fd >= 0);
if (socket->protocol == kSbSocketProtocolTcp) {
if (destination) {
SB_DLOG(FATAL) << "Destination passed to TCP send.";
socket->error = kSbSocketErrorFailed;
return -1;
}
ssize_t bytes_written =
send(socket->socket_fd, data, data_size, kSendFlags);
if (bytes_written >= 0) {
socket->error = kSbSocketOk;
return static_cast<int>(bytes_written);
}
if (errno != EAGAIN && errno != EWOULDBLOCK) {
SB_DLOG(ERROR) << "send failed, errno = " << errno;
}
socket->error = sbposix::TranslateSocketErrno(errno);
return -1;
} else if (socket->protocol == kSbSocketProtocolUdp) {
if (!destination) {
SB_DLOG(FATAL) << "No destination passed to UDP send.";
socket->error = kSbSocketErrorFailed;
return -1;
}
sbposix::SockAddr sock_addr;
const sockaddr* sockaddr = NULL;
socklen_t sockaddr_length = 0;
if (destination) {
if (!sock_addr.FromSbSocketAddress(destination)) {
SB_DLOG(FATAL) << "Invalid destination passed to UDP send.";
socket->error = kSbSocketErrorFailed;
return -1;
}
sockaddr = sock_addr.sockaddr();
sockaddr_length = sock_addr.length;
}
ssize_t bytes_written = sendto(socket->socket_fd, data, data_size,
kSendFlags, sockaddr, sockaddr_length);
if (bytes_written >= 0) {
socket->error = kSbSocketOk;
return static_cast<int>(bytes_written);
}
if (errno != EAGAIN && errno != EWOULDBLOCK) {
SB_DLOG(ERROR) << "sendto failed, errno = " << errno;
}
socket->error = sbposix::TranslateSocketErrno(errno);
return -1;
}
SB_NOTREACHED() << "Unrecognized protocol: " << socket->protocol;
errno = EPROTONOSUPPORT;
return -1;
}