Example #1
0
static void memstore_pub_debug_start() {
  #ifdef PUB_FAKE_WORKER
  memstore_fakeprocess_push(PUB_FAKE_WORKER);
  #else
  memstore_fakeprocess_push_random();
  #endif
}
Example #2
0
static void memstore_sub_debug_start() {
#if FAKESHARD  
  #ifdef SUB_FAKE_WORKER
  memstore_fakeprocess_push(SUB_FAKE_WORKER);
  #else
  memstore_fakeprocess_push_random();
  #endif
#endif   
}
Example #3
0
static void sudden_abort_handler(subscriber_t *sub) {
#if FAKESHARD
  full_subscriber_t  *fsub = (full_subscriber_t  *)sub;
  memstore_fakeprocess_push(fsub->data.owner);
#endif
  sub->fn->dequeue(sub);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #4
0
void nchan_subscriber_timeout_ev_handler(ngx_event_t *ev) {
  subscriber_t *sub = (subscriber_t *)ev->data;
#if FAKESHARD
  memstore_fakeprocess_push(sub->owner);
#endif
  sub->dequeue_after_response = 1;
  sub->fn->respond_status(sub, NGX_HTTP_REQUEST_TIMEOUT, &NCHAN_HTTP_STATUS_408);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #5
0
static void timeout_ev_handler(ngx_event_t *ev) {
  full_subscriber_t *fsub = (full_subscriber_t *)ev->data;
#if FAKESHARD
  memstore_fakeprocess_push(fsub->data.owner);
#endif
  fsub->data.timeout_handler(&fsub->sub, fsub->data.timeout_handler_data);
  fsub->sub.dequeue_after_response = 1;
  fsub->sub.fn->respond_status(&fsub->sub, NGX_HTTP_NOT_MODIFIED, NULL);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #6
0
static void sudden_abort_handler(subscriber_t *sub) {
  full_subscriber_t  *fsub = (full_subscriber_t  *)sub;
#if FAKESHARD
  memstore_fakeprocess_push(fsub->sub.owner);
#endif
  fsub->connected = 0;
  sub->status = DEAD;
  sub->fn->dequeue(sub);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #7
0
static void timeout_ev_handler(ngx_event_t *ev) {
  sub_data_t *d = (sub_data_t *)ev->data;
#if FAKESHARD
  memstore_fakeprocess_push(d->owner);
#endif
  DBG("%p timeout event. Ping originator to see if still needed.", d->sub);
  d->sub->reserve(d->sub);
  memstore_ipc_send_memstore_subscriber_keepalive(d->originator, d->chid, d->sub, d->foreign_chanhead, keepalive_reply_handler, d);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #8
0
static void timeout_ev_handler(ngx_event_t *ev) {
  internal_subscriber_t *fsub = (internal_subscriber_t *)ev->data;
#if FAKESHARD
  memstore_fakeprocess_push(fsub->owner);
#endif
  DBG("%p (%s) timeout", fsub, fsub->sub.name);
  fsub->timeout_handler(&fsub->sub, fsub->timeout_handler_data);
  fsub->sub.dequeue_after_response = 1;
  fsub->sub.respond_status(&fsub->sub, NGX_HTTP_NOT_MODIFIED, NULL);
#if FAKESHARD
  memstore_fakeprocess_pop();
#endif
}
Example #9
0
ngx_int_t ipc_alert(ipc_t *ipc, ngx_int_t slot, ngx_uint_t code, void *data, size_t data_size) {
  DBG("IPC send alert code %i to slot %i", code, slot);
  
  if(data_size > IPC_DATA_SIZE) {
    ERR("IPC_DATA_SIZE too small. wanted %i, have %i", data_size, IPC_DATA_SIZE);
    assert(0);
  }
  nchan_update_stub_status(ipc_total_alerts_sent, 1);
#if (FAKESHARD)
  
  ipc_alert_t         alert = {0};
  
  alert.src_slot = memstore_slot();
  alert.time_sent = ngx_time();
  alert.worker_generation = memstore_worker_generation;
  alert.code = code;
  ngx_memcpy(alert.data, data, data_size);
  
  //switch to destination
  memstore_fakeprocess_push(slot);
  ipc->handler(alert.src_slot, alert.code, alert.data);
  memstore_fakeprocess_pop();
  //switch back  
  
#else
  
  ipc_process_t      *proc = &ipc->process[slot];
  ipc_writebuf_t     *wb = &proc->wbuf;
  ipc_alert_t        *alert;
  
  assert(proc->active);
  
  nchan_update_stub_status(ipc_queue_size, 1);
  
  if(wb->n < IPC_WRITEBUF_SIZE) {
    alert = &wb->alerts[(wb->first + wb->n++) % IPC_WRITEBUF_SIZE];
  }
  else { //overflow
    ipc_writebuf_overflow_t  *overflow;
    DBG("writebuf overflow, allocating memory");
    if((overflow = ngx_alloc(sizeof(*overflow), ngx_cycle->log)) == NULL) {
      ERR("can't allocate memory for IPC write buffer overflow");
      return NGX_ERROR;
    }
    overflow->next = NULL;
    alert= &overflow->alert;
    
    if(wb->overflow_first == NULL) {
      wb->overflow_first = overflow;
    }
    if(wb->overflow_last) {
      wb->overflow_last->next = overflow;
    }
    wb->overflow_last = overflow;
  
    wb->overflow_n++;
  }
  
  alert->src_slot = ngx_process_slot;
  alert->time_sent = ngx_time();
  alert->code = code;
  alert->worker_generation = memstore_worker_generation;
  ngx_memcpy(&alert->data, data, data_size);
  
  ipc_write_handler(proc->c->write);
  
  //ngx_handle_write_event(ipc->c[slot]->write, 0);
  //ngx_add_event(ipc->c[slot]->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT);
  
#endif

  return NGX_OK;
}