/*! \file connection.h
  This is the generic Connection class definition.

  \author Jon A. Lambert
  \date 05/02/2003
  \version 0.30
 */
#ifndef	CONNECTION_H
#define	CONNECTION_H

/*!
  The Connection class contains the information required to maintain a
  socket connection with a client.

  \todo
  The bottomless buffer may not be a grand idea as it can be a DOS attack.
  So perhaps we assign a quota and/or input rate fetched from the driver's
  User record.
 */
class Socket;
class Server;

class Connection {
public:
  Connection(SOCKET sock, Server* server);
  virtual ~Connection();
  Connection(const Connection& r_conn);
  bool operator==(const Connection& r_conn) const;

  virtual void HandleInput();
  virtual void HandleOutput();
  virtual bool CanBeDisconnected();
  virtual bool HasOutput();
  virtual void Disconnect();
  virtual void SendMsg(const string& r_msg);
  virtual string* ReadMsg();
  virtual SOCKET GetSocket() const;
protected:
  Connection& operator=(const Connection& r_conn);
  Server * mServer;         //!< Server serving this connection.
  Socket * mSock;           //!< Network Socket stream.
  bool mDisconnectable;     //!< Indicates connection is to be disconnected.
  list<string> mInBuffer;   //!< Buffered input waiting to be processed.
  list<string> mOutBuffer;  //!< Buffered output waiting to be sent.
  string mPendingInput;     //!< Partially processed or formed input.
};

#endif // CONNECTION_H