128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
/*
|
|
* Copyright 2010 The WebRTC Project Authors. All rights reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "rtc_base/socket_stream.h"
|
|
|
|
#include "rtc_base/checks.h"
|
|
#include "rtc_base/socket.h"
|
|
|
|
namespace rtc {
|
|
|
|
SocketStream::SocketStream(AsyncSocket* socket) : socket_(nullptr) {
|
|
Attach(socket);
|
|
}
|
|
|
|
SocketStream::~SocketStream() {
|
|
delete socket_;
|
|
}
|
|
|
|
void SocketStream::Attach(AsyncSocket* socket) {
|
|
if (socket_)
|
|
delete socket_;
|
|
socket_ = socket;
|
|
if (socket_) {
|
|
socket_->SignalConnectEvent.connect(this, &SocketStream::OnConnectEvent);
|
|
socket_->SignalReadEvent.connect(this, &SocketStream::OnReadEvent);
|
|
socket_->SignalWriteEvent.connect(this, &SocketStream::OnWriteEvent);
|
|
socket_->SignalCloseEvent.connect(this, &SocketStream::OnCloseEvent);
|
|
}
|
|
}
|
|
|
|
AsyncSocket* SocketStream::Detach() {
|
|
AsyncSocket* socket = socket_;
|
|
if (socket_) {
|
|
socket_->SignalConnectEvent.disconnect(this);
|
|
socket_->SignalReadEvent.disconnect(this);
|
|
socket_->SignalWriteEvent.disconnect(this);
|
|
socket_->SignalCloseEvent.disconnect(this);
|
|
socket_ = nullptr;
|
|
}
|
|
return socket;
|
|
}
|
|
|
|
StreamState SocketStream::GetState() const {
|
|
RTC_DCHECK(socket_ != nullptr);
|
|
switch (socket_->GetState()) {
|
|
case Socket::CS_CONNECTED:
|
|
return SS_OPEN;
|
|
case Socket::CS_CONNECTING:
|
|
return SS_OPENING;
|
|
case Socket::CS_CLOSED:
|
|
default:
|
|
return SS_CLOSED;
|
|
}
|
|
}
|
|
|
|
StreamResult SocketStream::Read(void* buffer,
|
|
size_t buffer_len,
|
|
size_t* read,
|
|
int* error) {
|
|
RTC_DCHECK(socket_ != nullptr);
|
|
int result = socket_->Recv(buffer, buffer_len, nullptr);
|
|
if (result < 0) {
|
|
if (socket_->IsBlocking())
|
|
return SR_BLOCK;
|
|
if (error)
|
|
*error = socket_->GetError();
|
|
return SR_ERROR;
|
|
}
|
|
if ((result > 0) || (buffer_len == 0)) {
|
|
if (read)
|
|
*read = result;
|
|
return SR_SUCCESS;
|
|
}
|
|
return SR_EOS;
|
|
}
|
|
|
|
StreamResult SocketStream::Write(const void* data,
|
|
size_t data_len,
|
|
size_t* written,
|
|
int* error) {
|
|
RTC_DCHECK(socket_ != nullptr);
|
|
int result = socket_->Send(data, data_len);
|
|
if (result < 0) {
|
|
if (socket_->IsBlocking())
|
|
return SR_BLOCK;
|
|
if (error)
|
|
*error = socket_->GetError();
|
|
return SR_ERROR;
|
|
}
|
|
if (written)
|
|
*written = result;
|
|
return SR_SUCCESS;
|
|
}
|
|
|
|
void SocketStream::Close() {
|
|
RTC_DCHECK(socket_ != nullptr);
|
|
socket_->Close();
|
|
}
|
|
|
|
void SocketStream::OnConnectEvent(AsyncSocket* socket) {
|
|
RTC_DCHECK(socket == socket_);
|
|
SignalEvent(this, SE_OPEN | SE_READ | SE_WRITE, 0);
|
|
}
|
|
|
|
void SocketStream::OnReadEvent(AsyncSocket* socket) {
|
|
RTC_DCHECK(socket == socket_);
|
|
SignalEvent(this, SE_READ, 0);
|
|
}
|
|
|
|
void SocketStream::OnWriteEvent(AsyncSocket* socket) {
|
|
RTC_DCHECK(socket == socket_);
|
|
SignalEvent(this, SE_WRITE, 0);
|
|
}
|
|
|
|
void SocketStream::OnCloseEvent(AsyncSocket* socket, int err) {
|
|
RTC_DCHECK(socket == socket_);
|
|
SignalEvent(this, SE_CLOSE, err);
|
|
}
|
|
|
|
} // namespace rtc
|