Example #1
0
static int ed_main_loop(int tcpfd) {
  fd_set rfds_in;
  /* We need to have a copy of the fd set as it's not safe to reuse FD sets
   * after select(). */
  fd_set rfds_out;
  int rc;
  char clientip[46];
  int clientport;
  int clientfd;
  pid_t pid;

  FD_ZERO(&rfds_in);

  FD_SET(tcpfd, &rfds_in);

  for (;;) {
    if (quit == 1) {
      break;
    }

    memcpy(&rfds_out, &rfds_in, sizeof(fd_set));

    rc = select(tcpfd + 1, &rfds_out, NULL, NULL, NULL);
    if (rc > 0) {
      if (FD_ISSET(tcpfd, &rfds_out)) {
        clientfd = ed_net_tcp_socket_accept(tcpfd, clientip, sizeof(clientip), &clientport);
	if (clientfd == ED_NET_ERR) {
	  return -1;
	}

	ed_log_info("Accepted connection from %s:%d", clientip, clientport);

        ++connected_clients;
        print_stats();

        pid = fork();
        switch (pid) {
        case -1:
          close(clientfd);
          --connected_clients;
          print_stats();
          break;

        case 0:
          ed_log_info("Child process forked with pid %d.", pid);
          close(tcpfd);
          echo_stream(clientfd);
          break;

        default:
          close(clientfd); /* we are the parent so look for another connection. */
          ed_log_info("pid: %d", pid);
        }
      }
    }
  }

  return 0;
}
Example #2
0
int main(int argc, char *argv[])
{
	getConfig(argc, argv);

	say ("\n%s (%s): started\n", TITLE, VERSION);

	echo_stream();

	return 0;
}
Example #3
0
int main(int argc, char *argv[])
{
	getConfig(argc, argv);

	say ("\n%s (%s): started\n", TITLE, VERSION);

	// if configured, fork off a process to handle datagram connections
	if (dgram)
		echo_dgram();

	// if configured, fork off processes as needed to handle stream connections
	if (stream)
		echo_stream();

	return 0;
}