mirror of https://gerrit.osmocom.org/libosmocore
160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/it_q.h>
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struct it_q_test1 {
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struct llist_head list;
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int *foo;
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};
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struct it_q_test2 {
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int foo;
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struct llist_head list;
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};
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#define ENTER_TC printf("\n== Entering test case %s\n", __func__)
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static void tc_alloc(void)
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{
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struct osmo_it_q *q1, *q2;
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ENTER_TC;
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printf("allocating q1\n");
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q1 = osmo_it_q_alloc(OTC_GLOBAL, "q1", 3, NULL, NULL);
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OSMO_ASSERT(q1);
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/* ensure that no duplicate allocation for the */
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printf("attempting duplicate allocation of qa\n");
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q2 = osmo_it_q_alloc(OTC_GLOBAL, "q1", 3, NULL, NULL);
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OSMO_ASSERT(!q2);
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/* ensure that same name can be re-created after destroying old one */
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osmo_it_q_destroy(q1);
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printf("re-allocating q1\n");
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q1 = osmo_it_q_alloc(OTC_GLOBAL, "q1", 3, NULL, NULL);
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OSMO_ASSERT(q1);
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osmo_it_q_destroy(q1);
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}
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static void tc_queue_length(void)
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{
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struct osmo_it_q *q1;
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unsigned int qlen = 3;
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struct it_q_test1 *item;
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int i, rc;
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ENTER_TC;
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printf("allocating q1\n");
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q1 = osmo_it_q_alloc(OTC_GLOBAL, "q1", qlen, NULL, NULL);
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OSMO_ASSERT(q1);
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printf("adding queue entries up to the limit\n");
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for (i = 0; i < qlen; i++) {
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item = talloc_zero(OTC_GLOBAL, struct it_q_test1);
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rc = osmo_it_q_enqueue(q1, item, list);
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OSMO_ASSERT(rc == 0);
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}
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printf("attempting to add more than the limit\n");
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item = talloc_zero(OTC_GLOBAL, struct it_q_test1);
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rc = osmo_it_q_enqueue(q1, item, list);
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OSMO_ASSERT(rc == -ENOSPC);
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osmo_it_q_destroy(q1);
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}
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static void tc_enqueue_dequeue(void)
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{
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const unsigned int qlen = 12;
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struct it_q_test1 *item;
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struct osmo_it_q *q1;
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int rc;
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ENTER_TC;
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printf("allocating q1\n");
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q1 = osmo_it_q_alloc(OTC_GLOBAL, "q1", 12, NULL, NULL);
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OSMO_ASSERT(q1);
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printf("try dequeueing from an empty queue\n");
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osmo_it_q_dequeue(q1, &item, list);
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OSMO_ASSERT(item == NULL);
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printf("adding queue entries up to the limit\n");
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for (unsigned int i = 0; i < qlen; i++) {
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item = talloc_zero(OTC_GLOBAL, struct it_q_test1);
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rc = osmo_it_q_enqueue(q1, item, list);
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OSMO_ASSERT(rc == 0);
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}
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printf("removing queue entries up to the limit\n");
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for (unsigned int i = 0; i < qlen; i++) {
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osmo_it_q_dequeue(q1, &item, list);
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OSMO_ASSERT(item != NULL);
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talloc_free(item);
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}
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printf("try dequeueing from an empty queue\n");
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osmo_it_q_dequeue(q1, &item, list);
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OSMO_ASSERT(item == NULL);
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osmo_it_q_destroy(q1);
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}
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static int g_read_cb_count;
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static void q_read_cb(struct osmo_it_q *q, struct llist_head *item)
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{
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struct it_q_test1 *it = container_of(item, struct it_q_test1, list);
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*it->foo += 1;
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talloc_free(item);
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}
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static void tc_eventfd(void)
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{
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struct osmo_it_q *q1;
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unsigned int qlen = 30;
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struct it_q_test1 *item;
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int i, rc;
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ENTER_TC;
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printf("allocating q1\n");
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q1 = osmo_it_q_alloc(OTC_GLOBAL, "q1", qlen, q_read_cb, NULL);
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OSMO_ASSERT(q1);
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osmo_fd_register(&q1->event_ofd);
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/* ensure read-cb isn't called unless we enqueue something */
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osmo_select_main(1);
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OSMO_ASSERT(g_read_cb_count == 0);
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/* ensure read-cb is called for each enqueued msg once */
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printf("adding %u queue entries up to the limit\n", qlen);
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for (i = 0; i < qlen; i++) {
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item = talloc_zero(OTC_GLOBAL, struct it_q_test1);
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item->foo = &g_read_cb_count;
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rc = osmo_it_q_enqueue(q1, item, list);
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OSMO_ASSERT(rc == 0);
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}
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osmo_select_main(1);
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printf("%u entries were dequeued\n", qlen);
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OSMO_ASSERT(g_read_cb_count == qlen);
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osmo_it_q_destroy(q1);
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}
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int main(int argc, char **argv)
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{
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tc_alloc();
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tc_queue_length();
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tc_enqueue_dequeue();
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tc_eventfd();
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return 0;
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}
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