Ejemplo n.º 1
0
int
osm_db_guid2lid_guids(IN osm_db_domain_t * const p_g2l,
		      OUT cl_qlist_t * p_guid_list)
{
	char *p_key;
	cl_list_t keys;
	osm_db_guid_elem_t *p_guid_elem;

	cl_list_construct(&keys);
	cl_list_init(&keys, 10);

	if (osm_db_keys(p_g2l, &keys))
		return 1;

	while ((p_key = cl_list_remove_head(&keys)) != NULL) {
		p_guid_elem =
		    (osm_db_guid_elem_t *) malloc(sizeof(osm_db_guid_elem_t));
		CL_ASSERT(p_guid_elem != NULL);

		p_guid_elem->guid = __osm_unpack_guid(p_key);
		cl_qlist_insert_head(p_guid_list, &p_guid_elem->item);
	}

	cl_list_destroy(&keys);
	return 0;
}
Ejemplo n.º 2
0
static void shortest_path(lash_t * p_lash, int ir)
{
	switch_t **switches = p_lash->switches, *sw, *swi;
	unsigned int i;
	cl_list_t bfsq;

	cl_list_construct(&bfsq);
	cl_list_init(&bfsq, 20);

	enqueue(&bfsq, switches[ir]);

	while (!cl_is_list_empty(&bfsq)) {
		dequeue(&bfsq, &sw);
		for (i = 0; i < sw->node->num_links; i++) {
			swi = switches[sw->node->links[i]->switch_id];
			if (swi->q_state == UNQUEUED) {
				enqueue(&bfsq, swi);
				sw->dij_channels[sw->used_channels++] = swi->id;
			}
		}
	}

	cl_list_destroy(&bfsq);
}
Ejemplo n.º 3
0
/* this is the callback function of the timer */
void __osm_transaction_mgr_callback(IN void *context)
{
	osm_transaction_mgr_t *trans_mgr_p;
	osm_vendor_t *p_vend = (osm_vendor_t *) context;
	cl_list_item_t *p_list_item;
	cl_list_item_t *p_list_next_item;
	osm_madw_req_t *osm_madw_req_p;
	uint64_t current_time;	/*  [usec] */
	uint32_t new_timeout;	/*  [msec] */
	cl_status_t cl_status;
	ib_mad_t *p_mad;
#ifdef OSM_VENDOR_INTF_MTL
	osm_mtl_bind_info_t *p_bind;
#else
	osm_ts_bind_info_t *p_bind;
#endif
	cl_list_t tmp_madw_p_list;	/*  this list will include all the madw_p that should be removed. */
	cl_list_t retry_madw_p_list;	/*  this list will include all the madw_p that were retried and need to be removed. */
	osm_madw_t *madw_p;

	OSM_LOG_ENTER(p_vend->p_log);

	trans_mgr_p = (osm_transaction_mgr_t *) p_vend->p_transaction_mgr;

	/*  initialize the tmp_madw_p_list */
	cl_list_construct(&tmp_madw_p_list);
	cl_status = cl_list_init(&tmp_madw_p_list, 50);
	if (cl_status != CL_SUCCESS) {
		osm_log(p_vend->p_log, OSM_LOG_ERROR,
			"__osm_transaction_mgr_callback : ERROR 1000: "
			"Failed to create tmp_madw_p_list\n");
	}

	cl_list_construct(&retry_madw_p_list);
	cl_status = cl_list_init(&retry_madw_p_list, 50);
	if (cl_status != CL_SUCCESS) {
		osm_log(p_vend->p_log, OSM_LOG_ERROR,
			"__osm_transaction_mgr_callback : ERROR 1000: "
			"Failed to create retry_madw_p_list\n");
	}

	current_time = cl_get_time_stamp();
	cl_spinlock_acquire(&(trans_mgr_p->transaction_mgr_lock));
	p_list_item = cl_qlist_head(trans_mgr_p->madw_reqs_list_p);
	if (p_list_item == cl_qlist_end(trans_mgr_p->madw_reqs_list_p)) {
		/*  the list is empty - nothing to do */
		cl_spinlock_release(&trans_mgr_p->transaction_mgr_lock);
		osm_log(p_vend->p_log, OSM_LOG_DEBUG,
			"__osm_transaction_mgr_callback : Nothing to do\n");
		goto Exit;
	}

	/*  non empty list: */

	/*  get the osm_madw_req_p  */
	osm_madw_req_p = PARENT_STRUCT(p_list_item, osm_madw_req_t, list_item);

	while (osm_madw_req_p->waking_time <= current_time) {
		/*  this object was supposed to have gotten a response */
		/*  we need to decide if we need to retry or done with it. */
		if (osm_madw_req_p->retry_cnt > 0) {
			/*  add to the list of the retrys : */
			cl_list_insert_tail(&retry_madw_p_list, osm_madw_req_p);

			/*  update wakeup time and retry count */
			osm_madw_req_p->waking_time =
			    p_vend->timeout * 1000 + cl_get_time_stamp();
			osm_madw_req_p->retry_cnt--;

			/*  make sure we will get some timer call if not earlier */
			osm_log(p_vend->p_log, OSM_LOG_DEBUG,
				"__osm_transaction_mgr_callback : Timer restart:%u\n",
				p_vend->timeout);

			cl_status =
			    cl_timer_start(&trans_mgr_p->madw_list_timer,
					   p_vend->timeout);

			/*  go to the next object and check if it also needs to be removed - didn't receive response */
			/*  we need to do it before we move current item to the end of the list */
			p_list_next_item = cl_qlist_next(p_list_item);

			/*  remove from the head */
			cl_qlist_remove_item(trans_mgr_p->madw_reqs_list_p,
					     &(osm_madw_req_p->list_item));

			/*  insert the object to the qlist and the qmap */
			cl_qlist_insert_tail(trans_mgr_p->madw_reqs_list_p,
					     &(osm_madw_req_p->list_item));

		} else {
			/*  go to the next object and check if it also needs to be removed - didn't receive response */
			p_list_next_item = cl_qlist_next(p_list_item);

			/*  remove from the head */
			cl_qlist_remove_item(trans_mgr_p->madw_reqs_list_p,
					     &(osm_madw_req_p->list_item));

			/*  add it to the tmp_madw_p_list to be removed */
			cl_list_insert_tail(&tmp_madw_p_list,
					    osm_madw_req_p->p_madw);
			osm_log(p_vend->p_log, OSM_LOG_DEBUG,
				"__osm_transaction_mgr_callback : Found failed transaction madw: %p\n",
				osm_madw_req_p->p_madw);
		}

		/*  Advance */
		p_list_item = p_list_next_item;
		if (p_list_item == cl_qlist_end(trans_mgr_p->madw_reqs_list_p)) {
			/*  the list is empty - nothing to do */
			break;
		}

		/*  get the osm_madw_req_p  */
		osm_madw_req_p =
		    PARENT_STRUCT(p_list_item, osm_madw_req_t, list_item);
	}

	/*  look at the current p_list_item. If it is not the end item - then we need to  */
	/*  re-start the timer */
	if (p_list_item != cl_qlist_end(trans_mgr_p->madw_reqs_list_p)) {
		/*  get the osm_madw_req_p  */
		osm_madw_req_p =
		    PARENT_STRUCT(p_list_item, osm_madw_req_t, list_item);

		/*  we have the object that still didn't get response - re-start the timer */
		/*  start the timer to the timeout (in miliseconds) */
		new_timeout =
		    (osm_madw_req_p->waking_time - cl_get_time_stamp()) / 1000 +
		    1;
		cl_status =
		    cl_timer_start(&trans_mgr_p->madw_list_timer, new_timeout);
		osm_log(p_vend->p_log, OSM_LOG_DEBUG,
			"__osm_transaction_mgr_callback : Timer restart:%u\n",
			new_timeout);

		if (cl_status != CL_SUCCESS) {
			osm_log(p_vend->p_log, OSM_LOG_ERROR,
				"__osm_transaction_mgr_callback : ERROR 1000: "
				"Failed to start timer\n");
		}
	}
	/* if not empty - retry on retry list: */
	if (!cl_is_list_empty(&retry_madw_p_list)) {

		/*  remove all elements that were retried: */
		osm_madw_req_p =
		    (osm_madw_req_t
		     *) (cl_list_remove_head(&retry_madw_p_list));
		while (osm_madw_req_p != NULL) {

			/*  resend: */
			osm_log(p_vend->p_log, OSM_LOG_DEBUG,
				"__osm_transaction_mgr_callback : "
				"Retry %d of madw %p\n",
				OSM_DEFAULT_RETRY_COUNT -
				osm_madw_req_p->retry_cnt,
				osm_madw_req_p->p_madw);

			/*  actually send it */
#ifdef OSM_VENDOR_INTF_MTL
			osm_mtl_send_mad((osm_mtl_bind_info_t *)
					 osm_madw_req_p->p_bind,
					 osm_madw_req_p->p_madw);
#else
			ib_api_status_t
			    osm_ts_send_mad(osm_ts_bind_info_t * p_bind,
					    osm_madw_t * const p_madw);
			osm_ts_send_mad((osm_ts_bind_info_t *) osm_madw_req_p->
					p_bind, osm_madw_req_p->p_madw);
#endif
			/*  next one */
			osm_madw_req_p =
			    (osm_madw_req_t
			     *) (cl_list_remove_head(&retry_madw_p_list));
		}
	}

	/*  if the tmp_madw_p_list has elements - need to call the send_err_callback */
	madw_p = (osm_madw_t *) (cl_list_remove_head(&tmp_madw_p_list));
	while (madw_p != NULL) {
		/*  need to remove it from pool */

		/* obtain the madw_p stored as the wrid in the send call */
		p_mad = osm_madw_get_mad_ptr(madw_p);
		p_bind = madw_p->h_bind;
		/*
		   Return any wrappers to the pool that may have been
		   pre-emptively allocated to handle a receive.
		 */
		if (madw_p->vend_wrap.p_resp_madw) {
#ifdef OSM_VENDOR_INTF_MTL
			osm_mad_pool_put(p_bind->p_osm_pool,
					 madw_p->vend_wrap.p_resp_madw);
#else
			osm_mad_pool_put(p_bind->p_osm_pool,
					 madw_p->vend_wrap.p_resp_madw);
#endif
			madw_p->vend_wrap.p_resp_madw = NULL;
		}

		/* invoke the CB */
		(*(osm_vend_mad_send_err_callback_t)
		 (p_bind->send_err_callback)) (p_bind->client_context, madw_p);
		madw_p = (osm_madw_t *) (cl_list_remove_head(&tmp_madw_p_list));
	}

Exit:
	OSM_LOG_EXIT(p_vend->p_log);

}
Ejemplo n.º 4
0
int main(int argc, char **argv)
{
	osm_db_t db;
	osm_log_t log;
	osm_db_domain_t *p_dbd;
	cl_list_t keys;
	cl_list_iterator_t kI;
	char *p_key;
	char *p_val;
	int i;

	cl_list_construct(&keys);
	cl_list_init(&keys, 10);

	osm_log_init_v2(&log, TRUE, 0xff, "/var/log/osm_db_test.log", 0, FALSE);

	osm_db_construct(&db);
	if (osm_db_init(&db, &log)) {
		printf("db init failed\n");
		exit(1);
	}

	p_dbd = osm_db_domain_init(&db, "lid_by_guid");

	if (osm_db_restore(p_dbd)) {
		printf("failed to restore\n");
	}

	if (osm_db_keys(p_dbd, &keys)) {
		printf("failed to get keys\n");
	} else {
		kI = cl_list_head(&keys);
		while (kI != cl_list_end(&keys)) {
			p_key = cl_list_obj(kI);
			kI = cl_list_next(kI);

			p_val = osm_db_lookup(p_dbd, p_key);
			printf("key = %s val = %s\n", p_key, p_val);
		}
	}

	cl_list_remove_all(&keys);

	/* randomly add and remove numbers */
	for (i = 0; i < 10; i++) {
		int k;
		float v;
		int is_add;
		char val_buf[16];
		char key_buf[16];

		k = floor(1.0 * rand() / RAND_MAX * 100);
		v = rand();
		sprintf(key_buf, "%u", k);
		sprintf(val_buf, "%u", v);

		is_add = (rand() < RAND_MAX / 2);

		if (is_add) {
			osm_db_update(p_dbd, key_buf, val_buf);
		} else {
			osm_db_delete(p_dbd, key_buf);
		}
	}
	if (osm_db_keys(p_dbd, &keys)) {
		printf("failed to get keys\n");
	} else {
		kI = cl_list_head(&keys);
		while (kI != cl_list_end(&keys)) {
			p_key = cl_list_obj(kI);
			kI = cl_list_next(kI);

			p_val = osm_db_lookup(p_dbd, p_key);
			printf("key = %s val = %s\n", p_key, p_val);
		}
	}
	if (osm_db_store(p_dbd))
		printf("failed to store\n");

	osm_db_destroy(&db);
	cl_list_destroy(&keys);
}
Ejemplo n.º 5
0
void osm_db_construct(IN osm_db_t * const p_db)
{
	memset(p_db, 0, sizeof(osm_db_t));
	cl_list_construct(&p_db->domains);
}