source: trunk/IPs/systemC/Environment/TTY/src/TTY.cpp

#include "../include/TTY.h"
#include <stdlib.h>
#include <stdio.h>

namespace environment {
namespace tty {

  TTY::TTY (std::string  name,
            Parameters * param)
  {
    this->name  = name;
    this->param = param;

    xtty = new xTTY [param->nb_tty];

    
    for (uint32_t i=0; i<param->nb_tty; i++)
      {
        // ***** Create a log_file *****
        xtty [i].log_file = fopen(param->name_tty[i].c_str(),"w");

        if (xtty [i].log_file == NULL)
          {
            // Error
            std::cerr << "<Tty> Can't open the file : \"" << param->name_tty[i] << "\"" << std::endl;
            exit(1);
          }

        if (param->with_xtty == true)
          {
            // ***** TTY and pipe init *****
            canal canal_output;
            
            if (pipe (canal_output.CanalPipe) != 0)
              {
                std::cerr << "<Tty> Error in pipe creation" << std::endl;
                exit(1);
              }
              
            if ((xtty[i].pid = fork()) == 0)
              {
                // Childen -> transform in a xtty
                close(0); // s
                if (dup (canal_output.CanalPipe [0]) == -1)
                  {
                    std::cerr << "<Tty> Error in dupplicate file descriptor." << std::endl;
                    exit (1);
                  };
                close(1);
                execlp("xtty","xtty", param->name_tty [i].c_str() ,NULL); // devient un tty
                
                std::cerr << "<Tty> Error in the creation of tty" << std::endl
                          << "Test if environment's variable $PATH is set with ${MORPHEO_TOPLEVEL}/IPs/systemC/Environment/TTY/xtty" << std::endl;
                exit (1);
              }
            else
              {
                // father
                xtty[i].pipe_output = canal_output.CanalPipe [1];
              }
          }
      }//end for
  }

  TTY::~TTY (void)
  {
    // Kill all tty
    for (unsigned int i=0; i<param->nb_tty; i++)
      {
        if (param->with_xtty == true)
          if (xtty[i].pid)
            kill(xtty[i].pid,SIGTERM);
        fclose(xtty[i].log_file);
      }

    delete [] xtty;
  }

};
};