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/* Copyright 2008,2009,2010 Edwin Eefting (edwin@datux.nl)
This file is part of Synapse.
Synapse is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Synapse 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Synapse. If not, see <http://www.gnu.org/licenses/>. */
#ifndef CMESSAGEMAN_H
#define CMESSAGEMAN_H
#include <string>
#include <map>
#include "cevent.h"
#include "common.h"
//#include <hash_map.h>
#include "cuserman.h"
//#include "cmodule.h"
#include "cmsg.h"
#include "ccallman.h"
#include <boost/thread/thread.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/thread/recursive_mutex.hpp>
namespace synapse
{
/*
This is the main object.
Event marshhalling happens in two places:
first to get the global Cevent object to verify the permissions:
CmessageMan::CeventHashMap["eventname"] -- shared_ptr --> Cevent object
secondly to get a pointer to the actual handler, per module:
Cmodule::ChandlerHashMap["eventname"] -- pointer --> soHandler() function
*/
using namespace std;
using namespace boost;
/**
@author
*/
class CmessageMan{
public:
CmessageMan();
~CmessageMan();
//these 2 are 'the' threads, and do their own locking:
void operator()();
int run(string coreName,string moduleName);
//the rest is not thread safe, so callers are responsible for locking:
void sendMappedMessage(const CmodulePtr & modulePtr, const CmsgPtr & msg,int cookie);
void sendMessage(const CmodulePtr & modulePtr, const CmsgPtr & msg, int cookie=0);
void checkThread();
CeventPtr getEvent(const string & name, const CuserPtr & user);
void getEvents(Cvar & var);
void doShutdown(int exit);
CsessionPtr loadModule(string path, string userName);
CmodulePtr getModule(string path);
mutex threadMutex;
CuserMan userMan;
CcallMan callMan;
bool logSends;
bool logReceives;
//initial module that user want to start, after the coremodule is started:
string firstModuleName;
//for administrator/debugging
void getStatus(Cvar & var);
void setModuleThreads(CmodulePtr module, int maxThreads);
void setSessionThreads(CsessionPtr session, int maxThreads);
string addMapping(string mapFrom, string mapTo);
string delMapping(string mapFrom, string mapTo);
void getMapping(string mapFrom, Cvar & var);
private:
condition_variable threadCond;
//TODO: we COULD do this with a hash map, but stl doesnt has a good one and boost only has Unordered from 1.36 or higher. but its fast enough for now. (tested with 10000)
typedef map<string, CeventPtr> CeventHashMap;
CeventHashMap events;
//event mapping: send another event as well. Usefull for key-bindings or lirc-bindings.
typedef map<string, list<string> > CeventMapperMap;
CeventMapperMap eventMappers;
map<thread::id,CthreadPtr> threadMap;
int currentThreads; //number of threads in memory
int wantCurrentThreads; //number of threads we want. threads will be added/deleted accordingly.
int maxThreads; //max number of threads. system will never create more then this many
int activeThreads; //threads that are actually executing actively
int maxActiveThreads; //max number of active threads seen (reset every X seconds by reaper)
int statMaxThreads; //maximum number of threads ever reached, just for statistics
bool shutdown; //program shutdown: end all threads
int exit; //shutdown exit code
bool idleThread();
void activeThread();
CgroupPtr defaultRecvGroup;
CgroupPtr defaultSendGroup;
CgroupPtr defaultModifyGroup;
int statSends;
};
}
#endif
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