// Copyright (c) 2012 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/base/socket_reader.h" #include "base/compiler_specific.h" #include "base/location.h" #include "base/single_thread_task_runner.h" #include "base/thread_task_runner_handle.h" #include "net/base/io_buffer.h" #include "net/base/net_errors.h" #include "net/socket/socket.h" namespace remoting { namespace { int kReadBufferSize = 4096; } // namespace SocketReader::SocketReader() : socket_(NULL), weak_factory_(this) { } SocketReader::~SocketReader() { } void SocketReader::Init(net::Socket* socket, ReadResultCallback read_result_callback) { DCHECK(socket); DCHECK(!socket_); socket_ = socket; read_result_callback_ = read_result_callback; DoRead(); } void SocketReader::DoRead() { while (true) { read_buffer_ = new net::IOBuffer(kReadBufferSize); int result = socket_->Read( read_buffer_.get(), kReadBufferSize, base::Bind(&SocketReader::OnRead, weak_factory_.GetWeakPtr())); HandleReadResult(result); if (result <= 0) break; } } void SocketReader::OnRead(int result) { HandleReadResult(result); if (result > 0) DoRead(); } void SocketReader::HandleReadResult(int result) { if (result != net::ERR_IO_PENDING) { if (result < 0) read_buffer_ = NULL; base::ThreadTaskRunnerHandle::Get()->PostTask( FROM_HERE, base::Bind(&SocketReader::CallCallback, weak_factory_.GetWeakPtr(), read_buffer_, result)); } } void SocketReader::CallCallback(scoped_refptr<net::IOBuffer> data, int result) { read_result_callback_.Run(data, result); } } // namespace remoting