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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 "Request.h"
#include <map>
#include <memory>
#include <string>
#include <boost/thread/locks.hpp>
#include <boost/thread/shared_mutex.hpp>
namespace Mad {
namespace Net {
class Packet;
}
namespace Common {
class RequestManager : boost::noncopyable {
private:
friend class RequestHandler;
class RequestMap : private boost::noncopyable {
private:
typedef std::map<boost::uint16_t, boost::shared_ptr<RequestHandler> > IdMap;
typedef std::map<const RequestHandler*, std::pair<Connection*, boost::uint16_t> > HandlerMap;
std::map<Connection*, IdMap> connectionMap;
HandlerMap handlerMap;
public:
void registerConnection(Connection *connection) {
connectionMap.insert(std::make_pair(connection, IdMap()));
}
void unregisterConnection(Connection *connection);
bool isConnectionRegistered(Connection *connection) const {
return connectionMap.count(connection);
}
bool addRequest(Connection *con, boost::uint16_t id, boost::shared_ptr<RequestHandler> info);
boost::shared_ptr<RequestHandler> findRequest(Connection *con, boost::uint16_t id);
void deleteRequest(Connection *con, boost::uint16_t id);
std::pair<Connection*, boost::uint16_t> getRequestInfo(const RequestHandler *requestHandler);
};
class RequestHandlerFactory {
protected:
RequestHandlerFactory() {}
public:
virtual boost::shared_ptr<RequestHandler> createRequestHandler() = 0;
virtual ~RequestHandlerFactory() {}
};
template<class T> class SpecificRequestHandlerFactory : public RequestHandlerFactory {
public:
virtual boost::shared_ptr<RequestHandler> createRequestHandler() {
return boost::shared_ptr<RequestHandler>(new T());
}
};
static RequestManager requestManager;
boost::shared_mutex mutex;
RequestMap requestMap;
bool server;
boost::uint16_t lastRequestId;
std::map<std::string, boost::shared_ptr<RequestHandlerFactory> > requestHandlerFactories;
boost::uint16_t _getRequestId() {
return lastRequestId+=2;
}
void receiveHandler(Connection *connection, boost::shared_ptr<const XmlPacket> packet, boost::uint16_t requestId);
void handleRequestFinished(Connection *con, boost::uint16_t requestId) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
requestMap.deleteRequest(con, requestId);
}
boost::uint16_t _getUnusedRequestId(Connection *connection);
bool send(Request *request);
RequestManager();
public:
static RequestManager* get() {
return &requestManager;
}
bool isServer() {
boost::shared_lock<boost::shared_mutex> lock(mutex);
return server;
}
void setServer(bool newServer) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
server = newServer;
if(server)
lastRequestId &= ~0x01;
else
lastRequestId |= 0x01;
}
void registerConnection(Connection *connection);
void unregisterConnection(Connection *connection) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
requestMap.unregisterConnection(connection);
}
template <class T> void registerPacketType(const std::string &type) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
requestHandlerFactories.insert(std::make_pair(type, boost::shared_ptr<SpecificRequestHandlerFactory<T> >(new SpecificRequestHandlerFactory<T>())));
}
void unregisterPacketType(const std::string &type) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
requestHandlerFactories.erase(type);
}
bool sendRequest(Connection *connection, boost::shared_ptr<Request> request);
};
}
}
#endif /* MAD_COMMON_REQUESTMANAGER_H_ */
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