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124 lines
3.7 KiB
124 lines
3.7 KiB
/*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* SEMS is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version. This program is released under
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* the GPL with the additional exemption that compiling, linking,
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* and/or using OpenSSL is allowed.
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*
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* For a license to use the SEMS software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* SEMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _AmSessionEventHandler_h
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#define _AmSessionEventHandler_h
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#include "AmArg.h"
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#include "AmSipMsg.h"
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#include "AmSipEvent.h"
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#include "AmSipDialog.h"
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#include <string>
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using std::string;
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class AmConfigReader;
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/**
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* \brief Interface for SIP signaling plugins that
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* change requests or replies using hooks (ex: session timer).
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*
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* From this type of plugins, an AmSessionEventHandler
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* can be added to an AmSession. AmSessionEventHandler functions
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* are called as hooks by the Session's event handler function.
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*
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* Signaling plugins must inherit from this class.
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*/
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class AmSessionEventHandler
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: public AmObject
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{
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public:
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bool destroy;
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AmSessionEventHandler()
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: destroy(true) {}
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virtual ~AmSessionEventHandler() {}
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/** Returns -1 on error, 0 else. */
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virtual int configure(AmConfigReader& conf)
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{ return 0; }
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/*
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* All the methods return true if the event processing
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* shall be stopped after them.
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*/
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virtual bool process(AmEvent*)
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{ return false; }
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virtual bool onSipRequest(const AmSipRequest& req)
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{ return false; }
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virtual bool onSipReply(const AmSipRequest& req,
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const AmSipReply& reply,
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AmBasicSipDialog::Status old_dlg_status)
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{ return false; }
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virtual bool onSendRequest(AmSipRequest& req, int& flags)
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{ return false; }
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virtual bool onSendReply(const AmSipRequest& req, AmSipReply& reply, int& flags)
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{ return false; }
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virtual void onRequestSent(const AmSipRequest& req) {}
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virtual void onReplySent(const AmSipRequest& req, const AmSipReply& reply) {}
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virtual void onRemoteDisappeared(const AmSipReply& reply) {}
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virtual void onLocalTerminate(const AmSipReply& reply) {}
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virtual void onFailure() {}
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};
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#if __GNUC__ < 3
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#define CALL_EVENT_H(method,args...) \
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do{\
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vector<AmSessionEventHandler*>::iterator evh = ev_handlers.begin(); \
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bool stop = false; \
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while((evh != ev_handlers.end()) && !stop){ \
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stop = (*evh)->method( ##args ); \
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evh++; \
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} \
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if(stop) \
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return; \
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}while(0)
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#else
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#define CALL_EVENT_H(method,...) \
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do{\
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vector<AmSessionEventHandler*>::iterator evh = ev_handlers.begin(); \
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bool stop = false; \
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while((evh != ev_handlers.end()) && !stop){ \
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stop = (*evh)->method( __VA_ARGS__ ); \
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evh++; \
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} \
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if(stop) \
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return; \
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}while(0)
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#endif
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#endif
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