int main_0028_long_topicnames (int argc, char **argv) {
        const int msgcnt = 1000;
        uint64_t testid;
	char topic[256];
	rd_kafka_t *rk_c;

	memset(topic, 'a', sizeof(topic)-1);
	topic[sizeof(topic)-1] = '\0';

	strncpy(topic, test_mk_topic_name(topic, 1), sizeof(topic)-1);

	TEST_SAY("Using topic name of %d bytes: %s\n",
		 (int)strlen(topic), topic);

	/* Create topic */
	test_create_topic(topic, 1, 1);

	/* First try a non-verifying consumer. The consumer has been known
	 * to crash when the broker bug kicks in. */
	rk_c = test_create_consumer(topic, NULL, NULL, NULL, NULL);
	test_consumer_subscribe(rk_c, topic);
	test_consumer_poll_no_msgs("consume.nomsgs", rk_c, 0, 5000);
	test_consumer_close(rk_c);

        /* Produce messages */
        testid = test_produce_msgs_easy(topic, 0,
                                        RD_KAFKA_PARTITION_UA, msgcnt);

	/* Consume messages */
	test_consume_msgs_easy(NULL, topic, testid, msgcnt);

        return 0;
}
Esempio n. 2
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static void do_offset_test (const char *what, int auto_commit, int auto_store,
			    int async) {
	test_timing_t t_all;
	char groupid[64];
	rd_kafka_t *rk;
	rd_kafka_conf_t *conf;
	rd_kafka_topic_conf_t *tconf;
	int cnt = 0;
	const int extra_cnt = 5;
	rd_kafka_resp_err_t err;
	rd_kafka_topic_partition_list_t *parts;
	rd_kafka_topic_partition_t *rktpar;
	int64_t next_offset = -1;

	test_conf_init(&conf, &tconf, 20);
	test_conf_set(conf, "enable.auto.commit", auto_commit ? "true":"false");
	test_conf_set(conf, "enable.auto.offset.store", auto_store ?"true":"false");
	test_conf_set(conf, "auto.commit.interval.ms", "500");
	rd_kafka_conf_set_offset_commit_cb(conf, offset_commit_cb);
	test_topic_conf_set(tconf, "auto.offset.reset", "smallest");
	test_str_id_generate(groupid, sizeof(groupid));
	test_conf_set(conf, "group.id", groupid);
	rd_kafka_conf_set_default_topic_conf(conf, tconf);

	TEST_SAY(_C_MAG "[ do_offset_test: %s with group.id %s ]\n",
		 what, groupid);

	TIMING_START(&t_all, what);

	expected_offset  = 0;
	committed_offset = -1;

	/* MO:
	 *  - Create consumer.
	 *  - Start consuming from beginning
	 *  - Perform store & commits according to settings
	 *  - Stop storing&committing when half of the messages are consumed,
	 *  - but consume 5 more to check against.
	 *  - Query position.
	 *  - Destroy consumer.
	 *  - Create new consumer with same group.id using stored offsets
	 *  - Should consume the expected message.
	 */

	/* Create kafka instance */
	rk = test_create_handle(RD_KAFKA_CONSUMER, rd_kafka_conf_dup(conf));

	rd_kafka_poll_set_consumer(rk);

	test_consumer_subscribe(rk, topic);

	while (cnt - extra_cnt < msgcnt / 2) {
		rd_kafka_message_t *rkm;

		rkm = rd_kafka_consumer_poll(rk, 10*1000);
		if (!rkm)
			continue;

		if (rkm->err == RD_KAFKA_RESP_ERR__TIMED_OUT)
			TEST_FAIL("%s: Timed out waiting for message %d", what,cnt);
		else if (rkm->err == RD_KAFKA_RESP_ERR__PARTITION_EOF) {
			rd_kafka_message_destroy(rkm);
			continue;
		} else if (rkm->err)
			TEST_FAIL("%s: Consumer error: %s",
				  what, rd_kafka_message_errstr(rkm));

		/* Offset of next message. */
		next_offset = rkm->offset + 1;

		if (cnt < msgcnt / 2) {
			if (!auto_store) {
				err = rd_kafka_offset_store(rkm->rkt,rkm->partition,
							    rkm->offset);
				if (err)
					TEST_FAIL("%s: offset_store failed: %s\n",
						  what, rd_kafka_err2str(err));
			}
			expected_offset = rkm->offset+1;
			if (!auto_commit) {
				test_timing_t t_commit;
				TIMING_START(&t_commit,
					     async?"commit.async":"commit.sync");
				err = rd_kafka_commit_message(rk, rkm, async);
				TIMING_STOP(&t_commit);
				if (err)
					TEST_FAIL("%s: commit failed: %s\n",
						  what, rd_kafka_err2str(err));
			}

		} else if (auto_store && auto_commit)
			expected_offset = rkm->offset+1;

		rd_kafka_message_destroy(rkm);
		cnt++;
	}

	TEST_SAY("%s: done consuming after %d messages, at offset %"PRId64"\n",
		 what, cnt, expected_offset);

	if ((err = rd_kafka_assignment(rk, &parts)))
		TEST_FAIL("%s: failed to get assignment(): %s\n",
			  what, rd_kafka_err2str(err));

	/* Verify position */
	if ((err = rd_kafka_position(rk, parts)))
		TEST_FAIL("%s: failed to get position(): %s\n",
			  what, rd_kafka_err2str(err));
	if (!(rktpar = rd_kafka_topic_partition_list_find(parts,
							  topic, partition)))
		TEST_FAIL("%s: position(): topic lost\n", what);
	if (rktpar->offset != next_offset)
		TEST_FAIL("%s: Expected position() offset %"PRId64", got %"PRId64,
			  what, next_offset, rktpar->offset);
	TEST_SAY("%s: Position is at %"PRId64", good!\n",
		 what, rktpar->offset);

	/* Pause messages while waiting so we can serve callbacks
	 * without having more messages received. */
	if ((err = rd_kafka_pause_partitions(rk, parts)))
		TEST_FAIL("%s: failed to pause partitions: %s\n",
			  what, rd_kafka_err2str(err));
	rd_kafka_topic_partition_list_destroy(parts);

	/* Fire off any enqueued offset_commit_cb */
	test_consumer_poll_no_msgs(what, rk, testid, 0);

	TEST_SAY("%s: committed_offset %"PRId64", expected_offset %"PRId64"\n",
		 what, committed_offset, expected_offset);

	if (!auto_commit && !async) {
		/* Sync commits should be up to date at this point. */
		if (committed_offset != expected_offset)
			TEST_FAIL("%s: Sync commit: committed offset %"PRId64
				  " should be same as expected offset "
				  "%"PRId64,
				  what, committed_offset, expected_offset);
	} else {

		/* Wait for offset commits to catch up */
		while (committed_offset < expected_offset) {
			TEST_SAYL(3, "%s: Wait for committed offset %"PRId64
				  " to reach expected offset %"PRId64"\n",
				  what, committed_offset, expected_offset);
			test_consumer_poll_no_msgs(what, rk, testid, 1000);
		}

	}

	TEST_SAY("%s: phase 1 complete, %d messages consumed, "
		 "next expected offset is %"PRId64"\n",
		 what, cnt, expected_offset);

        /* Issue #827: cause committed() to return prematurely by specifying
         *             low timeout. The bug (use after free) will only
         *             be catched by valgrind. */
        do {
                parts = rd_kafka_topic_partition_list_new(1);
                rd_kafka_topic_partition_list_add(parts, topic, partition);
                err = rd_kafka_committed(rk, parts, 1);
                rd_kafka_topic_partition_list_destroy(parts);
                TEST_SAY("Issue #827: committed() returned %s\n",
                         rd_kafka_err2str(err));
        } while (err != RD_KAFKA_RESP_ERR__TIMED_OUT);

	/* Query position */
	parts = rd_kafka_topic_partition_list_new(1);
	rd_kafka_topic_partition_list_add(parts, topic, partition);

	err = rd_kafka_committed(rk, parts, tmout_multip(5*1000));
	if (err)
		TEST_FAIL("%s: committed() failed: %s", what, rd_kafka_err2str(err));
	if (!(rktpar = rd_kafka_topic_partition_list_find(parts,
							  topic, partition)))
		TEST_FAIL("%s: committed(): topic lost\n", what);
	if (rktpar->offset != expected_offset)
		TEST_FAIL("%s: Expected committed() offset %"PRId64", got %"PRId64,
			  what, expected_offset, rktpar->offset);
	TEST_SAY("%s: Committed offset is at %"PRId64", good!\n",
		 what, rktpar->offset);

	rd_kafka_topic_partition_list_destroy(parts);
	test_consumer_close(rk);
	rd_kafka_destroy(rk);



	/* Fire up a new consumer and continue from where we left off. */
	TEST_SAY("%s: phase 2: starting new consumer to resume consumption\n",what);
	rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
	rd_kafka_poll_set_consumer(rk);

	test_consumer_subscribe(rk, topic);

	while (cnt < msgcnt) {
		rd_kafka_message_t *rkm;

		rkm = rd_kafka_consumer_poll(rk, 10*1000);
		if (!rkm)
			continue;

		if (rkm->err == RD_KAFKA_RESP_ERR__TIMED_OUT)
			TEST_FAIL("%s: Timed out waiting for message %d", what,cnt);
		else if (rkm->err == RD_KAFKA_RESP_ERR__PARTITION_EOF) {
			rd_kafka_message_destroy(rkm);
			continue;
		} else if (rkm->err)
			TEST_FAIL("%s: Consumer error: %s",
				  what, rd_kafka_message_errstr(rkm));

		if (rkm->offset != expected_offset)
			TEST_FAIL("%s: Received message offset %"PRId64
				  ", expected %"PRId64" at msgcnt %d/%d\n",
				  what, rkm->offset, expected_offset,
				  cnt, msgcnt);

		rd_kafka_message_destroy(rkm);
		expected_offset++;
		cnt++;
	}


	TEST_SAY("%s: phase 2: complete\n", what);
	test_consumer_close(rk);
	rd_kafka_destroy(rk);
	

	TIMING_STOP(&t_all);
}