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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/stream_message_pipe_adapter.h"
#include <utility>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/memory/ptr_util.h"
#include "net/base/net_errors.h"
#include "remoting/base/buffered_socket_writer.h"
#include "remoting/base/compound_buffer.h"
#include "remoting/protocol/message_serialization.h"
#include "remoting/protocol/p2p_stream_socket.h"
#include "remoting/protocol/stream_channel_factory.h"
namespace remoting {
namespace protocol {
StreamMessagePipeAdapter::StreamMessagePipeAdapter(
std::unique_ptr<P2PStreamSocket> socket,
const ErrorCallback& error_callback)
: socket_(std::move(socket)),
error_callback_(error_callback),
writer_(new BufferedSocketWriter()) {
DCHECK(socket_);
DCHECK(!error_callback_.is_null());
writer_->Start(
base::Bind(&P2PStreamSocket::Write, base::Unretained(socket_.get())),
base::Bind(&StreamMessagePipeAdapter::CloseOnError,
base::Unretained(this)));
}
StreamMessagePipeAdapter::~StreamMessagePipeAdapter() {}
void StreamMessagePipeAdapter::Start(EventHandler* event_handler) {
reader_.StartReading(socket_.get(),
base::Bind(&EventHandler::OnMessageReceived,
base::Unretained(event_handler)),
base::Bind(&StreamMessagePipeAdapter::CloseOnError,
base::Unretained(this)));
event_handler->OnMessagePipeOpen();
}
void StreamMessagePipeAdapter::Send(google::protobuf::MessageLite* message,
const base::Closure& done) {
if (writer_)
writer_->Write(SerializeAndFrameMessage(*message), done);
}
void StreamMessagePipeAdapter::CloseOnError(int error) {
// Stop writing on error.
writer_.reset();
if (!error_callback_.is_null())
base::ResetAndReturn(&error_callback_).Run(error);
}
StreamMessageChannelFactoryAdapter::StreamMessageChannelFactoryAdapter(
StreamChannelFactory* stream_channel_factory,
const ErrorCallback& error_callback)
: stream_channel_factory_(stream_channel_factory),
error_callback_(error_callback) {}
StreamMessageChannelFactoryAdapter::~StreamMessageChannelFactoryAdapter() {}
void StreamMessageChannelFactoryAdapter::CreateChannel(
const std::string& name,
const ChannelCreatedCallback& callback) {
stream_channel_factory_->CreateChannel(
name, base::Bind(&StreamMessageChannelFactoryAdapter::OnChannelCreated,
base::Unretained(this), callback));
}
void StreamMessageChannelFactoryAdapter::CancelChannelCreation(
const std::string& name) {
stream_channel_factory_->CancelChannelCreation(name);
}
void StreamMessageChannelFactoryAdapter::OnChannelCreated(
const ChannelCreatedCallback& callback,
std::unique_ptr<P2PStreamSocket> socket) {
if (!socket) {
error_callback_.Run(net::ERR_FAILED);
return;
}
callback.Run(base::MakeUnique<StreamMessagePipeAdapter>(std::move(socket),
error_callback_));
}
} // namespace protocol
} // namespace remoting
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