netsockets.h

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//       _________ __                 __
//      /   _____//  |_____________ _/  |______     ____  __ __  ______
//      \_____  \\   __\_  __ \__  \\   __\__  \   / ___\|  |  \/  ___/
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//  ______________________                           ______________________
//                        T H E   W A R   B E G I N S
//         Stratagus - A free fantasy real time strategy game engine
//
//
//      (c) Copyright 2013 by Joris Dauphin and cybermind
//
//      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; only version 2 of the License.
//
//      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., 59 Temple Place - Suite 330, Boston, MA
//      02111-1307, USA.
 
#ifndef NETSOCKETS_H
#define NETSOCKETS_H
 
#include <string>
 
 
class CHost
{
public:
        CHost() : ip(0), port(0) {}
        CHost(const char *name, int port);
        CHost(unsigned long ip, int port) : ip(ip), port(port) {}
        unsigned long getIp() const { return ip; }
        int getPort() const { return port; }
        std::string toString() const;
        bool isValid() const;
 
        bool operator == (const CHost &rhs) const { return ip == rhs.ip && port == rhs.port; }
        bool operator != (const CHost &rhs) const { return !(*this == rhs); }
private:
        unsigned long ip;
        int port;
};
 
class CUDPSocket_Impl;
class CTCPSocket_Impl;
 
class CUDPSocket
{
public:
        CUDPSocket();
        ~CUDPSocket();
        bool Open(const CHost &host);
        void Close();
        void Send(const CHost &host, const void *buf, unsigned int len);
        int Recv(void *buf, int len, CHost *hostFrom);
        void SetNonBlocking();
        //
        int HasDataToRead(int timeout);
        bool IsValid() const;
        int GetSocketAddresses(unsigned long *ips, int maxAddr);
 
#ifdef DEBUG
 
        class CStatistic
        {
                friend class CUDPSocket;
        public:
                CStatistic();
                void clear();
        public:
                unsigned int sentPacketsCount;
                unsigned int receivedPacketsCount;
                unsigned int sentBytesCount;
                unsigned int receivedBytesCount;
                unsigned int receivedErrorCount;
                unsigned int receivedBytesExpectedCount;
                unsigned int biggestSentPacketSize;
                unsigned int biggestReceivedPacketSize;
        };
 
        void clearStatistic() { m_statistic.clear(); }
        const CStatistic &getStatistic() const { return m_statistic; }
private:
        CStatistic m_statistic;
#endif
 
private:
        CUDPSocket_Impl *m_impl;
};
 
// Class representing TCP socket used in communication
class CTCPSocket
{
public:
        CTCPSocket();
        ~CTCPSocket();
        bool Open(const CHost &host);
        void Close();
        bool Connect(const CHost &host);
        int Send(const void *buf, unsigned int len);
        int Recv(void *buf, int len);
        void SetNonBlocking();
        //
        int HasDataToRead(int timeout);
        bool IsValid() const;
private:
        CTCPSocket_Impl *m_impl;
};
 
 
#endif // !NETSOCKETS_H