int main(int argc, char* argv[])
{
pid_t pid;
int status, i;
int ans;
int init_host, quantity;
char *pch;
int total_response = 0;
struct str_addr addr;
if(argc != 3){
printf("error arguments\n");
printf("./a.out <network> \n");
printf("%s 192.168.0.10 \n", argv[0]);
exit(1);
}
pch=strrchr(argv[1],'.'); //Busca el ultimo punto y
*pch = '\0'; //lo reemplaza por el caracter nulo
init_host = atoi(pch+1);
strcpy(addr.network, argv[1]);
quantity = atoi(argv[2]);
printf("network %s\n", addr.network);
printf("host %d\n\n", init_host);
for(i=0; i<quantity; i++){
pid =fork();
if (pid==0){
printf("Child running %d\n", init_host+i);
addr.host = init_host+i;
ans = exec_ping(&addr);
exit(ans);
}
}
while(wait(&status)>0){
//if(WEXITSTATUS(status))
// printf("Host %s.%d no response\n",addr.network, WEXITSTATUS(status));
if(WEXITSTATUS(status) == 0)
total_response++;
};
printf("\nTotal response =%d%%\n", (int)(total_response*100/quantity));
printf("Total no response =%d%%\n", (int)((quantity-total_response)*100/quantity));
printf("End Parent\n");
}
int main(int argc, char* argv[])
{
//pid_t pid;
int status, i,j, responden=0, porcentaje=0;
int ans;
int init_host, quantity;
char *pch;
struct str_addr addr;
if(argc != 3){
printf("error arguments\n");
printf("./a.out <network> <quantity> \n");
printf("%s 192.168.0.10 5\n", argv[0]);
exit(1);
}
pch=strrchr(argv[1],'.'); //Busca el ultimo punto y
*pch = '\0'; //lo reemplaza por el caracter nulo
init_host = atoi(pch+1);
strcpy(addr.network, argv[1]);
quantity = atoi(argv[2]);
printf("network %s\n", addr.network);
printf("host %d\n\n", init_host);
for(i=0; i<quantity; i++){
if(fork()==0){
printf("running host %d\n", init_host+i);
addr.host = init_host+i;
ans = exec_ping(&addr);
exit(ans);
}
}
for(j=0; j<quantity; j++){
wait(&status);
if(status==0){
responden++;
}
}
porcentaje=(responden*100)/quantity;
printf("Responden: %d Porcentaje: %d %c\n", responden,porcentaje, '%' );
printf("No responden: %d Porcentaje: %d %c\n", quantity-responden, 100-porcentaje, '%');
}
void func(int host,struct str_addr addr){
printf("running host %d\n",host);
addr.host = host;
ans = exec_ping(&addr);
}
