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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NETNETWORKTHREAD_H
#define NETNETWORKTHREAD_H
#include <tqthread.h>
#include <util/constants.h>
#include <util/ptrmap.h>
using bt::Uint32;
namespace net
{
class SocketMonitor;
class SocketGroup;
class BufferedSocket;
/**
@author Joris Guisson <joris.guisson@gmail.com>
Base class for the 2 networking threads. Handles the socket groups.
*/
class NetworkThread : public TQThread
{
protected:
SocketMonitor* sm;
bool running;
bt::PtrMap<Uint32,SocketGroup> groups;
bt::TimeStamp prev_run_time;
public:
NetworkThread(SocketMonitor* sm);
virtual ~NetworkThread();
/**
* Add a new group with a given limit
* @param gid The group ID (cannot be 0, 0 is the default group)
* @param limit The limit in bytes per sec
*/
void addGroup(Uint32 gid,Uint32 limit);
/**
* Remove a group
* @param gid The group ID
*/
void removeGroup(Uint32 gid);
/**
* Set the limit for a group
* @param gid The group ID
* @param limit The limit
*/
void setGroupLimit(Uint32 gid,Uint32 limit);
/**
* The main function of the thread
*/
void run();
/**
* Subclasses must implement this function
*/
virtual void update() = 0;
/**
* Do one SocketGroup
* @param g The group
* @param allowance The groups allowance
* @param now The current time
* @return true if the group can go again
*/
virtual bool doGroup(SocketGroup* g,Uint32 & allowance,bt::TimeStamp now) = 0;
/// Stop before the next update
void stop() {running = false;}
/// Is the thread running
bool isRunning() const {return running;}
protected:
/**
* Go over all groups and do them
* @param num_ready The number of ready sockets
* @param now The current time
* @param limit The global limit in bytes per sec
*/
void doGroups(Uint32 num_ready,bt::TimeStamp now,bt::Uint32 limit);
private:
Uint32 doGroupsLimited(Uint32 num_ready,bt::TimeStamp now,Uint32 & allowance);
};
}
#endif
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