prueba.c

来自「rtlinux-3.2源码」· C语言 代码 · 共 38 行

/******************************************************************************/
/* This file has been written by Sergio Perez Alca駃z <[e-mail]> */
/*            Departamento de Inform醫ica de Sistemas y Computadores          */
/*            Universidad Polit閏nica de Valencia                             */
/*            Valencia (Spain)                                                */
/*                                                                            */
/* The RTL-lwIP project has been supported by the Spanish Government Research */
/* Office (CICYT) under grant TIC2002-04123-C03-03                            */
/******************************************************************************/

#include <stdlib.h>
#include <unistd.h>
#include <time.h>

int main(int argc, char *argv[]) {
  int i;
  int max_iterations = 1000;
  struct timespec time;
  char tcporder[]="./tcpClient 158.42.58.141 Hello_baby";
  char udporder[]="./udpClient 158.42.58.141 Hello_baby";
  char command[60];

  time.tv_sec = 0;
  time.tv_nsec = 50000;

  if(argc == 2)
    max_iterations = atoi(argv[1]);

  for(i=0; i< max_iterations; i++){
    sprintf( &command[0],"%s%d %s", tcporder, i, "> /dev/null");
    if(system(&command[0])==-1) break;
    sprintf( &command[0],"%s%d %s", udporder, i, "> /dev/null");
    if(system(&command[0])==-1) break;
  }

  return 0;
}