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PCMNetClient.cpp

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//
// This source file is a part of ParCompMark
// Parallel Compositing Benchmark Framework
//
// for latest info see http://parcompmark.sourceforge.net

//
// Copyright (C) 2006 IT2 ParCompMark Dev. Team
// 
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

//
// Inner includes
//

#include "../include/PCMNetClient.h"

namespace ParCompMark
{

  //
  // Constructors & destructor
  //

  NetClient::NetClient(const std::string & name):
        // Parent initializer 
  Client(name                   /* Name of the class */
        )
  {
        getIP();
        mOwnIP = mIfConfs->get("eth0")->IP.c_str();
        initialize();
  }

 /*----------------------------------------------------------------------*/

  NetClient::~NetClient()
  {
        if(mInitialized)
        {
         finalize();
        }
  }

 /*----------------------------------------------------------------------*/

  //

  //

  void NetClient::initialize()
  {

        Assert(!mInitialized, INVALID_OPERATION_ERROR, "NetClient::initialize()");

        //broadcast recieve initialize

        struct sockaddr_in addr;

        if((mBroadcastSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
        {
         Except(INTERNAL_ERROR, "Network::initBroadcastRecieve", "Unable to create socket");
        }

        addr.sin_family = AF_INET;
        addr.sin_addr.s_addr = htonl(INADDR_ANY);
        addr.sin_port = htons(mBroadcastPort);
        memset(&(addr.sin_zero), '\0', 8);

        if(bind(mBroadcastSocket, (struct sockaddr *) &addr, sizeof(struct sockaddr)) < 0)
        {
         Except(INTERNAL_ERROR, "NetClient::initialize()", "Unable to bind socket");
        }

        initThread(0, 0, true);

        mInitialized = true;

        Logger::getInstance()->log(Logger::NOTICE, "NetClient initialized.");
  }

 /*----------------------------------------------------------------------*/

  void NetClient::finalize()
  {
        Assert(mInitialized, INVALID_OPERATION_ERROR, "NetClient::finalize()");

        if(mBroadcastSocket != -1)
        {
         close(mBroadcastSocket);
         mBroadcastSocket = -1;
        }

        if(mStreamSocket != -1)
        {
         close(mStreamSocket);
         mStreamSocket = -1;
        }

        mInitialized = false;

  }

 /*----------------------------------------------------------------------*/

  void NetClient::task()
  {

        //recieve broadcast messages

        struct sockaddr_in addr;

        unsigned int addrLen = sizeof(struct sockaddr);

        int max = 100;

        char recvString[max + 1];

        int recvStringLen = -1;

        if((recvStringLen = recvfrom(mBroadcastSocket, recvString, max, 0, (struct sockaddr *) &addr, &addrLen)) < 0)
        {
         Except(INTERNAL_ERROR, "NetClient::task()", "Unable to recieve broadcast message");
        }
        //server IP, we have to answer for this IP address

        mServerIP = inet_ntoa(addr.sin_addr);

        recvString[recvStringLen] = '\0';

        std::string message = recvString;

        int index = message.find("|");

        std::string type = message.substr(0, index);

        std::string m = message.substr(index + 1);
        m = m.substr(0, m.length());

        mType = type;
        mMessage = m;

        handleMessage();

  }

 /*----------------------------------------------------------------------*/

}

© Copyright - 2006 (IT)² ParCompMark Dev. Team