source: trunk/vizservers/nanovis/socket/RenderServer.cpp @ 884

/*
 * ----------------------------------------------------------------------
 *  RenderServer.cpp: server with OpenRenderer engine
 *
 * ======================================================================
 *  AUTHOR:  Wei Qiao <qiaow@purdue.edu>
 *           Purdue Rendering and Perceptualization Lab (PURPL)
 *
 *  Copyright (c) 2004-2006  Purdue Research Foundation
 *
 *  See the file "license.terms" for information on usage and
 *  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * ======================================================================
 */
#include "RenderServer.h"


RenderServer::RenderServer(){}

RenderServer::RenderServer(int port_num){

        socket_num = port_num;

        //init socket server
        std::cout << "server up and  running....\n";

        try
        {
          // Create the socket
          server_socket = new ServerSocket(socket_num);
          //server_socket->set_non_blocking(true);

        }
        catch ( SocketException& e )
        {
          std::cout << "Exception was caught:" << e.description() << "\nExiting.\n";
        }
}


bool  RenderServer::listen(std::string& data){

    if(!open_socket.is_connected()){
      if(server_socket->accept(open_socket)){
        fprintf(stderr, "server: connection accepted\n");
        try
        {
           //std::string data;
           open_socket >> data;
           std::cout << "server: msg received - " << data << "\n";

           open_socket << data;
           return false;
         }
         catch ( SocketException& ) { return false;}
      }
    }
    else{
      try
      {
        //std::string data;
        open_socket >> data;
        //std::cout << "server: msg received - " << data << "\n";

        //open_socket << data;
        return true;
       }
       catch ( SocketException& ) { return false;}
    }
}



bool  RenderServer::send(std::string& data){

  if(!open_socket.is_connected())
    return false;

  try
  {
    open_socket << data;
    return true;
  }
  catch ( SocketException& ) { return false;}
}


bool RenderServer::send(char* s, int size){
  if(!open_socket.is_connected())
    return false;

  try
  {
    open_socket.send(s, size);
    return true;
  }
  catch ( SocketException& ) { return false;}
}