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/*
* RequestManager.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_COMMON_REQUESTMANAGER_H_
#define MAD_COMMON_REQUESTMANAGER_H_
#include "RequestHandler.h"
#include <Net/Connection.h>
#include <map>
namespace Mad {
namespace Common {
namespace Request {
class Request;
}
class RequestManager {
private:
class RequestMap : private std::map<unsigned short,RequestHandler*> {
private:
// Prevent shallow copy
RequestMap(const RequestMap &o);
RequestMap& operator=(const RequestMap &o);
public:
RequestMap() {}
~RequestMap() {
for(iterator it = begin(); it != end(); ++it)
delete it->second;
}
bool addRequest(unsigned short id, RequestHandler *info) {
return insert(std::make_pair(id, info)).second;
}
RequestHandler* findRequest(unsigned short id) {
iterator it = find(id);
if(it == end())
return 0;
return it->second;
}
bool deleteRequest(unsigned short id) {
iterator it = find(id);
if(it == end())
return false;
delete it->second;
erase(it);
return true;
}
};
class RequestHandlerFactory {
protected:
RequestHandlerFactory() {}
public:
virtual RequestHandler* createRequestHandler() = 0;
virtual ~RequestHandlerFactory() {}
};
template<class T> class SpecificRequestHandlerFactory : public RequestHandlerFactory {
public:
virtual RequestHandler* createRequestHandler() {
return new T();
}
};
// Prevent shallow copy
RequestManager(const RequestManager &o);
RequestManager& operator=(const RequestManager &o);
std::map<Net::Connection*,RequestMap*> requestMaps;
unsigned short requestId;
std::map<Net::Packet::Type,RequestHandlerFactory*> requestHandlerFactories;
unsigned short getRequestId() {
return requestId+=2;
}
void receiveHandler(Net::Connection *connection, const Net::Packet &packet);
public:
void registerConnection(Net::Connection *connection) {
requestMaps.insert(std::make_pair(connection, new RequestMap()));
connection->signalReceive().connect(sigc::mem_fun(this, &RequestManager::receiveHandler));
}
void unregisterConnection(Net::Connection *connection) {
std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end())
return;
delete it->second;
requestMaps.erase(it);
}
template <class T> void registerPacketType(Net::Packet::Type type) {
requestHandlerFactories.insert(std::make_pair(type, new SpecificRequestHandlerFactory<T>()));
}
void unregisterPacketType(Net::Packet::Type type) {
std::map<Net::Packet::Type,RequestHandlerFactory*>::iterator it = requestHandlerFactories.find(type);
if(it == requestHandlerFactories.end())
return;
delete it->second;
requestHandlerFactories.erase(it);
}
bool sendRequest(Net::Connection *connection, Request::Request *request);
RequestManager(bool core) : requestId(core ? -2 : -1) {}
virtual ~RequestManager() {
for(std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.begin(); it != requestMaps.end(); ++it)
delete it->second;
for(std::map<Net::Packet::Type,RequestHandlerFactory*>::iterator it = requestHandlerFactories.begin(); it != requestHandlerFactories.end(); ++it)
delete it->second;
}
};
}
}
#endif /* MAD_COMMON_REQUESTMANAGER_H_ */
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