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path: root/lib/cpp/src/thrift/qt/TQTcpServer.h
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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef _THRIFT_TASYNC_QTCP_SERVER_H_
#define _THRIFT_TASYNC_QTCP_SERVER_H_

#include <QObject>
#include <QTcpServer>

#include <boost/shared_ptr.hpp>

namespace apache {
namespace thrift {
namespace protocol {
class TProtocolFactory;
}
}
} // apache::thrift::protocol

namespace apache {
namespace thrift {
namespace async {

class TAsyncProcessor;

/**
 *  Server that uses Qt to listen for connections.
 *  Simply give it a QTcpServer that is listening, along with an async
 *  processor and a protocol factory, and then run the Qt event loop.
 */
class TQTcpServer : public QObject {
  Q_OBJECT
public:
  TQTcpServer(boost::shared_ptr<QTcpServer> server,
              boost::shared_ptr<TAsyncProcessor> processor,
              boost::shared_ptr<apache::thrift::protocol::TProtocolFactory> protocolFactory,
              QObject* parent = NULL);
  virtual ~TQTcpServer();

private Q_SLOTS:
  void processIncoming();
  void beginDecode();
  void socketClosed();
  void deleteConnectionContext(QTcpSocket* connection);

private:
  Q_DISABLE_COPY(TQTcpServer)

  struct ConnectionContext;

  void scheduleDeleteConnectionContext(QTcpSocket* connection);
  void finish(boost::shared_ptr<ConnectionContext> ctx, bool healthy);

  boost::shared_ptr<QTcpServer> server_;
  boost::shared_ptr<TAsyncProcessor> processor_;
  boost::shared_ptr<apache::thrift::protocol::TProtocolFactory> pfact_;

  typedef std::map<QTcpSocket*, boost::shared_ptr<ConnectionContext> > ConnectionContextMap;
  ConnectionContextMap ctxMap_;
};
}
}
} // apache::thrift::async

#endif // #ifndef _THRIFT_TASYNC_QTCP_SERVER_H_