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/*
 * librdkafka - Apache Kafka C library
 *
 * Copyright (c) 2012-2015, Magnus Edenhill
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "test.h"

/* Typical include path would be <librdkafka/rdkafka.h>, but this program
 * is built from within the librdkafka source tree and thus differs. */
#include "rdkafka.h" /* for Kafka driver */


/**
 * Various regression tests for hangs on destroy.
 */



/**
 * Request offset for nonexisting partition.
 * Will cause rd_kafka_destroy() to hang.
 */

static int nonexist_part(void) {
        const char *topic = test_mk_topic_name(__FUNCTION__, 1);
        rd_kafka_t *rk;
        rd_kafka_topic_partition_list_t *parts;
        rd_kafka_resp_err_t err;
        test_timing_t t_pos;
        const int msgcnt = 100;
        uint64_t testid;
        int i;
        int it, iterations = 5;

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

        for (it = 0; it < iterations; it++) {
                char group_id[32];

                test_conf_init(NULL, NULL, 15);

                test_str_id_generate(group_id, sizeof(group_id));

                TEST_SAY("Iteration %d/%d, using group.id %s\n", it, iterations,
                         group_id);

                /* Consume messages */
                test_consume_msgs_easy(group_id, topic, testid, -1, msgcnt,
                                       NULL);

                /*
                 * Now start a new consumer and query stored offsets (positions)
                 */

                rk = test_create_consumer(group_id, NULL, NULL, NULL);

                /* Fill in partition set */
                parts = rd_kafka_topic_partition_list_new(2);
                /* existing */
                rd_kafka_topic_partition_list_add(parts, topic, 0);
                /* non-existing */
                rd_kafka_topic_partition_list_add(parts, topic, 123);


                TIMING_START(&t_pos, "COMMITTED");
                err = rd_kafka_committed(rk, parts, tmout_multip(5000));
                TIMING_STOP(&t_pos);
                if (err)
                        TEST_FAIL("Failed to acquire committed offsets: %s\n",
                                  rd_kafka_err2str(err));

                for (i = 0; i < parts->cnt; i++) {
                        TEST_SAY("%s [%" PRId32 "] returned offset %" PRId64
                                 ": %s\n",
                                 parts->elems[i].topic,
                                 parts->elems[i].partition,
                                 parts->elems[i].offset,
                                 rd_kafka_err2str(parts->elems[i].err));
                        if (parts->elems[i].partition == 0 &&
                            parts->elems[i].offset <= 0)
                                TEST_FAIL("Partition %" PRId32
                                          " should have a "
                                          "proper offset, not %" PRId64 "\n",
                                          parts->elems[i].partition,
                                          parts->elems[i].offset);
                        else if (parts->elems[i].partition == 123 &&
                                 parts->elems[i].offset !=
                                     RD_KAFKA_OFFSET_INVALID)
                                TEST_FAIL("Partition %" PRId32
                                          " should have failed\n",
                                          parts->elems[i].partition);
                }

                rd_kafka_topic_partition_list_destroy(parts);

                test_consumer_close(rk);

                /* Hangs if bug isn't fixed */
                rd_kafka_destroy(rk);
        }

        return 0;
}


/**
 * Issue #691: Producer hangs on destroy if group.id is configured.
 */
static int producer_groupid(void) {
        rd_kafka_conf_t *conf;
        rd_kafka_t *rk;

        TEST_SAY("producer_groupid hang test\n");
        test_conf_init(&conf, NULL, 10);

        test_conf_set(conf, "group.id", "dummy");

        rk = test_create_handle(RD_KAFKA_PRODUCER, conf);

        TEST_SAY("Destroying producer\n");
        rd_kafka_destroy(rk);

        return 0;
}

int main_0020_destroy_hang(int argc, char **argv) {
        int fails = 0;

        test_conf_init(NULL, NULL, 30);

        fails += nonexist_part();
        fails += producer_groupid();
        if (fails > 0)
                TEST_FAIL("See %d previous error(s)\n", fails);

        return 0;
}