C++ (Cpp) unixmessage_sender_isempty Examples

Example #1

File: bevt_relayd.c Project: debosvi/bozEvent

int main (int argc, char const *const *argv) {
    tain_t deadline ;
    int sfd ;
    PROG = "bevt_relayd" ;

    if (argc < 2) strerr_dieusage(100, USAGE) ;
    if (ndelay_on(0) < 0) strerr_diefu2sys(111, "ndelay_on ", "0") ;
    if (ndelay_on(1) < 0) strerr_diefu2sys(111, "ndelay_on ", "1") ;
    if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;

    sfd = selfpipe_init() ;
    if (sfd < 0) strerr_diefu1sys(111, "selfpipe_init") ;
    {
        sigset_t set ;
        sigemptyset(&set) ;
        sigaddset(&set, SIGCHLD) ;
        sigaddset(&set, SIGTERM) ;
        sigaddset(&set, SIGQUIT) ;
        sigaddset(&set, SIGHUP) ;
        sigaddset(&set, SIGABRT) ;
        sigaddset(&set, SIGINT) ;
        if (selfpipe_trapset(&set) < 0)
            strerr_diefu1sys(111, "trap signals") ;
    }

    if(bevt_relay_db_init(argv[1])<0)
        strerr_diefu1sys(111, "db init failed") ;

    tain_now_g() ;
    tain_addsec_g(&deadline, 2) ;

    if (!skaclient_server_01x_init_g(BEVT_RELAY_BANNER1, BEVT_RELAY_BANNER1_LEN, BEVT_RELAY_BANNER2, BEVT_RELAY_BANNER2_LEN, &deadline))
        strerr_diefu1sys(111, "sync with client") ;

    for (;;) {
        register unsigned int n = 0 ;
        iopause_fd x[6 + n] ;
        int r ;

        if(mfd<0) handle_connect_central();

        tain_add_g(&deadline, &tain_infinite_relative) ;
        x[0].fd = 0 ; x[0].events = IOPAUSE_EXCEPT | IOPAUSE_READ ;
        x[1].fd = 1 ; x[1].events = IOPAUSE_EXCEPT | (unixmessage_sender_isempty(unixmessage_sender_1) ? 0 : IOPAUSE_WRITE ) ;
        x[2].fd = sfd ; x[2].events = IOPAUSE_READ ;
        x[3].fd = bozclient_sfd(&central_client_g); x[3].events = IOPAUSE_READ ;
        x[4].fd = bozclient_sfd(&central_client_g); x[4].events = (bozclient_siswritable(&central_client_g) ? IOPAUSE_WRITE : 0) ;
        x[5].fd = unixmessage_sender_fd(unixmessage_sender_x) ; x[5].events = (unixmessage_sender_isempty(unixmessage_sender_x) ? 0 : IOPAUSE_WRITE)  ;

        r = iopause_g(x, 5 + n, &deadline) ;
        if (r < 0) {
            cleanup() ;
            strerr_diefu1sys(111, "iopause") ;
        }

        /* client closed */
        if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT) break ;

        /* client is sync reading */
        if (x[1].revents & IOPAUSE_WRITE) {
            if (!unixmessage_sender_flush(unixmessage_sender_1) && !error_isagain(errno)) {
                cleanup() ;
                strerr_diefu1sys(111, "flush sync out") ;
            }
        }

        /* client is async rzading */
        if (x[5].revents & IOPAUSE_WRITE) {
            if (!unixmessage_sender_flush(unixmessage_sender_x) && !error_isagain(errno)) {
                cleanup() ;
                strerr_diefu1sys(111, "flush async out") ;
            }
        }

        /* signals arrived */
        if (x[2].revents & (IOPAUSE_READ | IOPAUSE_EXCEPT)) handle_signals() ;

        /* main socket read or close */
        if (x[3].revents & IOPAUSE_READ) {
            handle_close_central();
            continue;
        }

        /* main socket close */
        if (x[4].revents & IOPAUSE_WRITE) {
            bozclient_flush(&central_client_g);
        }

        /* main socket close */
        if (x[5].revents & IOPAUSE_WRITE) {
            if (!unixmessage_sender_flush(unixmessage_sender_x) && !error_isagain(errno)) {
                cleanup() ;
                strerr_diefu1sys(111, "flush stdout") ;
            }
        }

        /* client is sync writing */
        if (!unixmessage_receiver_isempty(unixmessage_receiver_0) || x[0].revents & IOPAUSE_READ)
        {
            if (unixmessage_handle(unixmessage_receiver_0, &bevt_relay_parse_prot_cmd, 0) < 0)
            {
                if (errno == EPIPE) break ; /* normal exit */
                cleanup() ;
                strerr_diefu1sys(111, "handle messages from client") ;
            }
        }
    }
    cleanup() ;
    return 0 ;
}

Example #2

File: unixmessage_sender_timed_flush.c Project: fvigotti/skalibs

static int unixmessage_sender_isnonempty (unixmessage_sender_t *b)
{
  return !unixmessage_sender_isempty(b) ;
}

Example #3

File: s6-ftrigrd.c Project: bukzor/s6

int main (void)
{
  PROG = "s6-ftrigrd" ;

  if (ndelay_on(0) < 0) strerr_diefu2sys(111, "ndelay_on ", "0") ;
  if (ndelay_on(1) < 0) strerr_diefu2sys(111, "ndelay_on ", "1") ;
  if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;

  {
    tain_t deadline ;
    tain_now_g() ;
    tain_addsec_g(&deadline, 2) ;
    if (!skaclient_server_01x_init_g(FTRIGR_BANNER1, FTRIGR_BANNER1_LEN, FTRIGR_BANNER2, FTRIGR_BANNER2_LEN, &deadline))
      strerr_diefu1sys(111, "sync with client") ;
  }

  for (;;)
  {
    iopause_fd x[3 + n] ;
    unsigned int i = 0 ;

    x[0].fd = 0 ; x[0].events = IOPAUSE_EXCEPT | IOPAUSE_READ ;
    x[1].fd = 1 ; x[1].events = IOPAUSE_EXCEPT | (unixmessage_sender_isempty(unixmessage_sender_1) ? 0 : IOPAUSE_WRITE) ;
    x[2].fd = unixmessage_sender_fd(unixmessage_sender_x) ;
    x[2].events = IOPAUSE_EXCEPT | (unixmessage_sender_isempty(unixmessage_sender_x) ? 0 : IOPAUSE_WRITE) ;
    for (; i < n ; i++)
    {
      a[i].xindex = 3 + i ;
      x[3+i].fd = a[i].trig.fd ;
      x[3+i].events = IOPAUSE_READ ;
    }

    if (iopause(x, 3 + n, 0, 0) < 0)
    {
      cleanup() ;
      strerr_diefu1sys(111, "iopause") ;
    }

   /* client closed */
    if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT) break ;

   /* client is reading */
    if (x[1].revents & IOPAUSE_WRITE)
      if (!unixmessage_sender_flush(unixmessage_sender_1) && !error_isagain(errno))
      {
        cleanup() ;
        strerr_diefu1sys(111, "flush stdout") ;
      }
    if (x[2].revents & IOPAUSE_WRITE)
      if (!unixmessage_sender_flush(unixmessage_sender_x) && !error_isagain(errno))
      {
        cleanup() ;
        strerr_diefu1sys(111, "flush asyncout") ;
      }

   /* scan listening ftrigs */
    for (i = 0 ; i < n ; i++)
    {
      if (x[a[i].xindex].revents & IOPAUSE_READ)
        if (!ftrigio_read(a+i)) remove(i--) ;
    }

   /* client is writing */
    if (!unixmessage_receiver_isempty(unixmessage_receiver_0) || x[0].revents & IOPAUSE_READ)
    {
      if (unixmessage_handle(unixmessage_receiver_0, &parse_protocol, 0) < 0)
      {
        if (errno == EPIPE) break ; /* normal exit */
        cleanup() ;
        strerr_diefu1sys(111, "handle messages from client") ;
      }
    }
  }
  cleanup() ;
  return 0 ;
}