Added module that counts calls per user specified cathegory, usually context.
git-svn-id: http://yate.null.ro/svn/yate/trunk@2875 acf43c95-373e-0410-b603-e72c3f656dc1
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[general]
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; Global settings of the per context call counters
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; parameter: string: Name of the call parameter to use for context counting
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; This parameter must exist in the call.cdr messages by adding a line
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; like: context=false to the [parameters] section of cdrbuild.conf
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;parameter=
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; direction: string: Direction of the call legs counted, set empty to count all
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;direction=incoming
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; allcounters: boolean: Add all counters instead of just the current context
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;allcounters=false
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[priorities]
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; Numerical priorities of installed message handlers
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; call.cdr: integer: Priority of CDR message handler used to count calls
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;call.cdr=20
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; call.route: integer: Priority of handler used to add counters to routing message
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;call.route=20
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@ -35,6 +35,7 @@ PROGS := cdrbuild.yate cdrfile.yate regexroute.yate \
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server/pbxassist.yate server/dbpbx.yate server/lateroute.yate \
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server/pbxassist.yate server/dbpbx.yate server/lateroute.yate \
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server/park.yate server/queues.yate server/queuesnotify.yate \
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server/park.yate server/queues.yate server/queuesnotify.yate \
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server/regfile.yate server/accfile.yate server/register.yate \
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server/regfile.yate server/accfile.yate server/register.yate \
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server/callcounters.yate \
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server/dbwave.yate \
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server/dbwave.yate \
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server/yradius.yate \
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server/yradius.yate \
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server/sipfeatures.yate \
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server/sipfeatures.yate \
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@ -0,0 +1,267 @@
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/**
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* callcounters.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Count active call legs per user defined context
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2009 Null Team
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*
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* This program 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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* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatengine.h>
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using namespace TelEngine;
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namespace { // anonymous
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class Context : public String
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{
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public:
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inline Context(const String& name)
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: String(name), m_count(0)
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{ }
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inline int count() const
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{ return m_count; }
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inline bool has(const String& id) const
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{ return 0 != m_calls.find(id); }
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inline void add(const String& id)
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{ m_calls.append(new String(id)); ++m_count; }
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bool remove(const String& id);
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private:
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ObjList m_calls;
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int m_count;
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};
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class CdrHandler : public MessageHandler
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{
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public:
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CdrHandler(int prio)
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: MessageHandler("call.cdr",prio) { }
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virtual bool received(Message& msg);
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};
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class RouteHandler : public MessageHandler
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{
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public:
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RouteHandler(int prio)
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: MessageHandler("call.route",prio) { }
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virtual bool received(Message& msg);
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};
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class StatusHandler : public MessageHandler
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{
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public:
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StatusHandler() : MessageHandler("engine.status") { }
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virtual bool received(Message& msg);
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};
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class CommandHandler : public MessageHandler
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{
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public:
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CommandHandler() : MessageHandler("engine.command") { }
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virtual bool received(Message& msg);
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};
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class CallCountersPlugin : public Plugin, public String
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{
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public:
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CallCountersPlugin();
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virtual ~CallCountersPlugin();
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virtual void initialize();
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};
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static bool s_allCounters = false;
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static String s_paramName;
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static String s_paramPrefix;
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static String s_direction;
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static ObjList s_contexts;
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static Mutex s_mutex(false,"CallCounters");
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INIT_PLUGIN(CallCountersPlugin);
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bool Context::remove(const String& id)
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{
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String* s = static_cast<String*>(m_calls.remove(id,false));
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if (!s)
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return false;
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delete s;
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DDebug(__plugin,DebugAll,"Removing call '%s' from context '%s'",
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id.c_str(),c_str());
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if (--m_count <= 0) {
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DDebug(__plugin,DebugInfo,"Removing empty context '%s'",c_str());
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s_contexts.remove(this);
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}
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return true;
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}
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bool CdrHandler::received(Message& msg)
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{
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const String* chan = msg.getParam("chan");
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if (TelEngine::null(chan))
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return false;
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if (s_direction) {
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const String* dir = msg.getParam("direction");
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if (!dir || (*dir != s_direction))
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return false;
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}
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const String* oper = msg.getParam("operation");
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const String* ctxt = msg.getParam(s_paramName);
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Lock mylock(s_mutex);
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if (oper && (*oper == "finalize")) {
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// finalizing a CDR, remove call from any context
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if (!TelEngine::null(ctxt)) {
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// first try to search in context, usually it will be there
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Context* c = static_cast<Context*>(s_contexts[*ctxt]);
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if (c && c->remove(*chan))
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return false;
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DDebug(__plugin,DebugNote,"Call '%s' not removed from '%s'",chan->c_str(),ctxt->c_str());
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}
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// now we have to look in all contexts
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for (ObjList* l = s_contexts.skipNull(); l; l=l->skipNext()) {
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Context* c = static_cast<Context*>(l->get());
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if (c->remove(*chan))
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return false;
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}
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DDebug(__plugin,DebugAll,"Call '%s' not found in any context",chan->c_str());
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} // finalize operation
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else {
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if (TelEngine::null(ctxt))
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return false;
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// first look up the call in the context it was supposed to be in
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Context* c = static_cast<Context*>(s_contexts[*ctxt]);
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if (c && c->has(*chan))
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return false;
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// call has new context, remove from any old context
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for (ObjList* l = s_contexts.skipNull(); l; l=l->skipNext()) {
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Context* c2 = static_cast<Context*>(l->get());
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if ((c2 != c) && c2->remove(*chan))
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break;
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}
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if (!c) {
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DDebug(__plugin,DebugInfo,"Creating context '%s'",ctxt->c_str());
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c = new Context(*ctxt);
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s_contexts.append(c);
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}
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DDebug(__plugin,DebugAll,"Adding call '%s' to context '%s'",
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chan->c_str(),ctxt->c_str());
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c->add(*chan);
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}
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return false;
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};
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bool RouteHandler::received(Message& msg)
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{
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if (msg.getBoolValue("allcounters",s_allCounters)) {
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Lock mylock(s_mutex);
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for (ObjList* l = s_contexts.skipNull(); l; l=l->skipNext()) {
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Context* c = static_cast<Context*>(l->get());
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msg.setParam(s_paramPrefix + "_" + *c,String(c->count()));
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}
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}
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else {
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const String* ctxt = msg.getParam(s_paramName);
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if (TelEngine::null(ctxt))
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return false;
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Lock mylock(s_mutex);
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Context* c = static_cast<Context*>(s_contexts[*ctxt]);
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if (c)
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msg.setParam(s_paramPrefix,String(c->count()));
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}
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return false;
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};
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bool StatusHandler::received(Message &msg)
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{
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const String* sel = msg.getParam("module");
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if (!TelEngine::null(sel) && (*sel != __plugin))
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return false;
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String st("name=callcounters,type=misc,format=Context|Count");
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s_mutex.lock();
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st << ";counters=" << s_contexts.count();
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if (msg.getBoolValue("details",true)) {
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st << ";";
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bool first = true;
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for (ObjList* l = s_contexts.skipNull(); l; l=l->skipNext()) {
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Context* c = static_cast<Context*>(l->get());
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if (first)
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first = false;
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else
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st << ",";
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st << *c << "=" << c->count();
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}
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}
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s_mutex.unlock();
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msg.retValue() << st << "\r\n";
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return false;
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}
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bool CommandHandler::received(Message &msg)
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{
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if (!msg.getParam("line")) {
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String* tmp = msg.getParam("partline");
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if (tmp && (*tmp == "status")) {
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tmp = msg.getParam("partword");
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if (!tmp || tmp->null() || __plugin.startsWith(*tmp))
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msg.retValue().append(__plugin,"\t");
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}
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}
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return false;
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}
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CallCountersPlugin::CallCountersPlugin()
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: String("callcounters")
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{
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Output("Loaded module CallCounters");
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}
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CallCountersPlugin::~CallCountersPlugin()
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{
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Output("Unloading module CallCounters");
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}
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void CallCountersPlugin::initialize()
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{
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Configuration cfg(Engine::configFile(c_str()));
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s_allCounters = cfg.getBoolValue("general","allcounters",false);
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// tracked parameter, direction and priorities cannot be reloaded
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if (s_paramName.null()) {
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s_paramName = cfg.getValue("general","parameter");
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if (s_paramName) {
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Output("Initializing module CallCounters");
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s_paramPrefix = s_paramName + "_count";
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s_direction = cfg.getValue("general","direction","incoming");
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// pre-hash the strings not protected by mutex
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s_paramName.hash();
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s_direction.hash();
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Engine::install(new CdrHandler(cfg.getIntValue("priorities","call.cdr",20)));
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Engine::install(new RouteHandler(cfg.getIntValue("priorities","call.route",20)));
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Engine::install(new CommandHandler);
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Engine::install(new StatusHandler);
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}
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}
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}
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}; // anonymous namespace
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/* vi: set ts=8 sw=4 sts=4 noet: */
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