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