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134 lines
3.7 KiB
134 lines
3.7 KiB
/*
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* $Id$
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*
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* Copyright (C) 2008 iptego GmbH
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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
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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 _DSM_MODULE_H
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#define _DSM_MODULE_H
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#include "DSMStateEngine.h"
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#include "AmSipMsg.h"
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#include "AmArg.h"
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class DSMSession;
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#include <string>
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using std::string;
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// script modules interface
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// factory only: it produces actions and conditions from script statements.
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class DSMModule {
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public:
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DSMModule();
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virtual ~DSMModule();
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virtual DSMAction* getAction(const string& from_str) = 0;
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virtual DSMCondition* getCondition(const string& from_str) = 0;
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virtual int preload() { return 0; }
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virtual bool onInvite(const AmSipRequest& req, DSMSession* sess) { return true; }
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};
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typedef void* (*SCFactoryCreate)();
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#define SCSTR(x) #x
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#define SCXSTR(x) SCSTR(x)
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#define SC_FACTORY_EXPORT sc_factory_create
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#define SC_FACTORY_EXPORT_STR SCXSTR(SC_FACTORY_EXPORT)
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#if __GNUC__ < 3
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#define EXPORT_SC_FACTORY(fctname,class_name,args...) \
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extern "C" void* fctname() \
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{ \
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return new class_name(##args); \
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}
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#else
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#define EXPORT_SC_FACTORY(fctname,class_name,...) \
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extern "C" void* fctname() \
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{ \
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return new class_name(__VA_ARGS__); \
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}
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#endif
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#define SC_EXPORT(class_name) \
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EXPORT_SC_FACTORY(SC_FACTORY_EXPORT,class_name)
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class SCStrArgAction
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: public DSMAction {
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protected:
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string arg;
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public:
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SCStrArgAction(const string& arg)
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: arg(arg) { }
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};
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#define DEF_SCStrArgAction(CL_Name) \
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class CL_Name \
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: public SCStrArgAction { \
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public: \
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CL_Name(const string& arg) : SCStrArgAction(arg) { } \
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bool execute(AmSession* sess, \
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DSMCondition::EventType event, \
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map<string,string>* event_params); \
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}; \
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#define DEF_SCModSEStrArgAction(CL_Name) \
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class CL_Name \
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: public SCStrArgAction { \
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public: \
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CL_Name(const string& arg) : SCStrArgAction(arg) { } \
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bool execute(AmSession* sess, \
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DSMCondition::EventType event, \
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map<string,string>* event_params); \
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SEAction getSEAction(std::string&); \
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}; \
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#define DEF_TwoParAction(CL_Name) \
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class CL_Name \
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: public DSMAction { \
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string par1; \
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string par2; \
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public: \
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CL_Name(const string& arg); \
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bool execute(AmSession* sess, \
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DSMCondition::EventType event, \
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map<string,string>* event_params); \
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}; \
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#define CONST_TwoParAction(CL_name, sep, optional) \
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CL_name::CL_name(const string& arg) { \
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vector<string> args = explode(arg,sep); \
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if (!optional && args.size()!=2) { \
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ERROR("expression '%s' not valid\n", arg.c_str()); \
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return; \
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} \
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par1 = args.size()?trim(args[0], " \t"):""; \
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par2 = args.size()>1?trim(args[1], " \t"):""; \
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}
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#endif
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