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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/stream_reader.h"
#include "base/message_loop.h"
#include "net/base/net_errors.h"
#include "net/socket/socket.h"
#include "remoting/protocol/chromoting_connection.h"
namespace remoting {
namespace {
int kReadBufferSize = 4096;
} // namespace
StreamReaderBase::StreamReaderBase()
: socket_(NULL),
closed_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(
read_callback_(this, &StreamReaderBase::OnRead)) {
}
StreamReaderBase::~StreamReaderBase() { }
void StreamReaderBase::Close() {
closed_ = true;
}
void StreamReaderBase::Init(net::Socket* socket) {
DCHECK(socket);
socket_ = socket;
DoRead();
}
void StreamReaderBase::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 StreamReaderBase::OnRead(int result) {
if (!closed_) {
HandleReadResult(result);
DoRead();
}
}
void StreamReaderBase::HandleReadResult(int result) {
if (result > 0) {
OnDataReceived(read_buffer_, result);
} else {
if (result != net::ERR_IO_PENDING)
LOG(ERROR) << "Read() returned error " << result;
}
}
// EventsStreamReader class.
EventsStreamReader::EventsStreamReader() { }
EventsStreamReader::~EventsStreamReader() { }
void EventsStreamReader::Init(net::Socket* socket,
OnMessageCallback* on_message_callback) {
on_message_callback_.reset(on_message_callback);
StreamReaderBase::Init(socket);
}
void EventsStreamReader::OnDataReceived(net::IOBuffer* buffer, int data_size) {
ClientMessageList messages_list;
messages_decoder_.ParseClientMessages(buffer, data_size, &messages_list);
for (ClientMessageList::iterator it = messages_list.begin();
it != messages_list.end(); ++it) {
on_message_callback_->Run(*it);
}
}
// VideoStreamReader class.
VideoStreamReader::VideoStreamReader() { }
VideoStreamReader::~VideoStreamReader() { }
void VideoStreamReader::Init(net::Socket* socket,
OnMessageCallback* on_message_callback) {
on_message_callback_.reset(on_message_callback);
StreamReaderBase::Init(socket);
}
void VideoStreamReader::OnDataReceived(net::IOBuffer* buffer, int data_size) {
HostMessageList messages_list;
messages_decoder_.ParseHostMessages(buffer, data_size, &messages_list);
for (HostMessageList::iterator it = messages_list.begin();
it != messages_list.end(); ++it) {
on_message_callback_->Run(*it);
}
}
} // namespace remoting
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