/*
 * ConnectionManager.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_CORE_CONNECTIONMANAGER_H_
#define MAD_CORE_CONNECTIONMANAGER_H_

#include <list>
#include <vector>
#include <map>

#include <Common/Configurable.h>
#include <Common/Exception.h>
#include <Common/HostInfo.h>
#include <Common/Initializable.h>
#include <Common/RequestManager.h>

#include <Net/IPAddress.h>

namespace Mad {

namespace Net {
class Listener;
class Connection;
class ServerConnection;
class Packet;
}

namespace Core {

class ConnectionManager : public Common::Configurable, public Common::Initializable {
  private:
    static ConnectionManager connectionManager;

    std::string x509TrustFile, x509CrlFile, x509CertFile, x509KeyFile;

    std::vector<Net::IPAddress> listenerAddresses;
    std::list<Net::Listener*> listeners;

    std::list<Net::ServerConnection*> daemonConnections;
    std::list<Net::ServerConnection*> clientConnections;

    std::map<std::string,Common::HostInfo> daemonInfo;
    std::map<std::string,Net::ServerConnection*> identifiedDaemonConnections;

    // Prevent shallow copy
    ConnectionManager(const ConnectionManager &o);
    ConnectionManager& operator=(const ConnectionManager &o);

    void handleConnections(std::list<Net::ServerConnection*> &connections);

    void updateState(const std::string &name, Common::HostInfo::State state);

    ConnectionManager() {}

  protected:
    virtual bool handleConfigEntry(const Common::ConfigEntry &entry, bool handled);
    virtual void configFinished();

    virtual void doInit();
    virtual void doDeinit();

  public:
    static ConnectionManager* get() {
      return &connectionManager;
    }

    void run();

    Net::Connection* getDaemonConnection(const std::string &name) const throw (Common::Exception&);
    std::string getDaemonName(const Net::Connection *con) const throw (Common::Exception&);

    void identifyDaemonConnection(Net::Connection *connection, const std::string &name) throw (Common::Exception&);
    std::vector<Common::HostInfo> getDaemonList() const;
};

}
}

#endif /*MAD_CORE_CONNECTIONMANAGER_H_*/