ehsconnection.h

/* $Id: ehsconnection.h 132 2012-04-15 18:25:58Z felfert $
 *
 * EHS is a library for embedding HTTP(S) support into a C++ application
 *
 * Copyright (C) 2004 Zachary J. Hansen
 *
 * Code cleanup, new features and bugfixes: Copyright (C) 2010 Fritz Elfert
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1 as published by the Free Software Foundation;
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *    This can be found in the 'COPYING' file.
 *
 */

#ifndef _EHSCONNECTION_H_
#define _EHSCONNECTION_H_

#include <ehstypes.h>

class EHSServer;
class NetworkAbstraction;

class EHSConnection {

    private:

        EHSConnection ( const EHSConnection & );

        EHSConnection & operator = ( const EHSConnection & );

    private:

        bool m_bRawMode; 

        bool m_bDoneReading; 

        bool m_bDisconnected; 

        bool m_bIdleHandling; 

        HttpRequest * m_poCurrentHttpRequest; 

        EHSServer * m_poEHSServer; 

        time_t m_nLastActivity; 

        int m_nRequests; 

        int m_nResponses; 

        int m_nActiveRequests; 

        NetworkAbstraction * m_poNetworkAbstraction;    

        std::string m_sBuffer;

        ResponseQueue m_oResponseQueue;

        HttpRequestList m_oHttpRequestList;

        std::string m_sRemoteAddress;

        std::string m_sLocalAddress;

        int m_nRemotePort;

        int m_nLocalPort;

        size_t m_nMaxRequestSize;

        pthread_mutex_t m_oMutex; 

    public:

        std::string GetRemoteAddress() const { return m_sRemoteAddress; }

        int GetRemotePort() const { return m_nRemotePort; }

        std::string GetLocalAddress() const { return m_sLocalAddress; }

        int GetLocalPort() const { return m_nLocalPort; }

        DEPRECATED("Use GetRemoteAddress()")
            std::string GetAddress() const { return GetRemoteAddress(); }

        DEPRECATED("Use GetRemotePort()")
            int GetPort() const { return GetRemotePort(); }

        bool Disconnected() const { return m_bDisconnected; }

        bool IsRaw() const { return m_bRawMode; }

        void AddResponse(ehs_autoptr<GenericResponse> ehs_rvref response);

        void EnableIdleTimeout(bool enable = true) { m_bIdleHandling = enable; }

        void EnableKeepAlive(bool enable = true);

    private:

        EHSConnection(NetworkAbstraction * ipoNetworkAbstraction,
                EHSServer * ipoEHSServer);

        ~EHSConnection();

        void UpdateLastActivity() { m_nLastActivity = time(NULL); }

        time_t LastActivity() { return m_bIdleHandling ? m_nLastActivity : time(NULL); }

        bool StillReading() { return !m_bDoneReading; }

        void DoneReading ( bool ibDisconnected );

        HttpRequest *GetNextRequest();

        int CheckDone();

        enum AddBufferResult {
            ADDBUFFER_INVALID = 0,
            ADDBUFFER_OK,
            ADDBUFFER_INVALIDREQUEST,
            ADDBUFFER_TOOBIG,
            ADDBUFFER_NORESOURCE
        };

        AddBufferResult AddBuffer(char * ipsData, int inSize);

        void SendResponse(GenericResponse *response);

        int RequestsPending() { return (0 != m_nActiveRequests) || !m_oHttpRequestList.empty(); }

        NetworkAbstraction * GetNetworkAbstraction();

        void SetMaxRequestSize(size_t n) { m_nMaxRequestSize = n; }

        friend class EHSServer;
};

#endif // _EHSCONNECTION_H_