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// Copyright (c) 2010 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/message_reader.h"
#include "base/message_loop.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/socket/socket.h"
#include "remoting/base/multiple_array_input_stream.h"
#include "remoting/proto/internal.pb.h"
#include "remoting/protocol/chromotocol_connection.h"
namespace remoting {
static const int kReadBufferSize = 4096;
MessageReader::MessageReader()
: socket_(NULL),
closed_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(
read_callback_(this, &MessageReader::OnRead)) {
}
MessageReader::~MessageReader() {
// Destroy MessageReaderPrivate if it was created.
if (destruction_callback_.get())
destruction_callback_->Run();
}
void MessageReader::Close() {
closed_ = true;
}
void MessageReader::Init(net::Socket* socket) {
DCHECK(socket);
socket_ = socket;
DoRead();
}
void MessageReader::DoRead() {
while (true) {
read_buffer_ = new net::IOBuffer(kReadBufferSize);
int result = socket_->Read(
read_buffer_, kReadBufferSize, &read_callback_);
HandleReadResult(result);
if (result < 0)
break;
}
}
void MessageReader::OnRead(int result) {
if (!closed_) {
HandleReadResult(result);
DoRead();
}
}
void MessageReader::HandleReadResult(int result) {
if (result > 0) {
data_received_callback_->Run(read_buffer_, result);
} else {
if (result != net::ERR_IO_PENDING)
LOG(ERROR) << "Read() returned error " << result;
}
}
} // namespace remoting
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