/*

 * 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"

#include "rdkafka.h"

#include <stdarg.h>

/**

 * Verify that quick assignment additions work.

 *  * Create topics T1,T2,T3

 *  * Create consumer

 *  * Assign T1

 *  * Assign T1,T2

 *  * Assign T1,T2,T3

 *  * Verify that all messages from all three topics are consumed

 *  * Assign T1,T3

 *  * Verify that there were no duplicate messages.

 */

int main_0051_assign_adds (int argc, char **argv) {

        rd_kafka_t *rk;

        #define TOPIC_CNT 3

        char *topic[TOPIC_CNT] = {

                rd_strdup(test_mk_topic_name("0051_assign_adds_1", 1)),

                rd_strdup(test_mk_topic_name("0051_assign_adds_2", 1)),

                rd_strdup(test_mk_topic_name("0051_assign_adds_3", 1)),

        };

        uint64_t testid;

        int msgcnt = 1000;

        test_msgver_t mv;

        rd_kafka_conf_t *conf;

        rd_kafka_topic_conf_t *tconf;

        int i;

        rd_kafka_topic_partition_list_t *tlist;

        rd_kafka_resp_err_t err;

        msgcnt = (msgcnt / TOPIC_CNT) * TOPIC_CNT;

        testid = test_id_generate();

        rk = test_create_producer();

        for (i = 0 ; i < TOPIC_CNT ; i++) {

                rd_kafka_topic_t *rkt;

                rkt = test_create_producer_topic(rk, topic[i], NULL);

                test_produce_msgs(rk, rkt, testid, 0,

                                  (msgcnt / TOPIC_CNT) * i,

                                  (msgcnt / TOPIC_CNT), NULL, 100);

                rd_kafka_topic_destroy(rkt);

        }

        rd_kafka_destroy(rk);

        test_conf_init(&conf, &tconf, 60);

        test_topic_conf_set(tconf, "auto.offset.reset", "smallest");

        rk = test_create_consumer(topic[0], NULL, conf, tconf);

        tlist = rd_kafka_topic_partition_list_new(TOPIC_CNT);

        for (i = 0 ; i < TOPIC_CNT ; i++) {

                rd_kafka_topic_partition_list_add(tlist, topic[i], 0);

                TEST_SAY("Assign %d topic(s):\n", tlist->cnt);

                test_print_partition_list(tlist);

                err = rd_kafka_assign(rk, tlist);

                TEST_ASSERT(!err, "assign() failed: %s",

                            rd_kafka_err2str(err));

        }

        test_msgver_init(&mv, testid);

        TEST_SAY("Expecting to consume all %d messages from %d topics\n",

                 msgcnt, TOPIC_CNT);

        test_consumer_poll("consume", rk, testid, -1, 0, msgcnt, &mv;;

        /* Now remove T2 */

        rd_kafka_topic_partition_list_del(tlist, topic[1], 0);

        err = rd_kafka_assign(rk, tlist);

        TEST_ASSERT(!err, "assign() failed: %s",

                    rd_kafka_err2str(err));

        TEST_SAY("Should not see any messages for session.timeout.ms+some more\n");

        test_consumer_poll_no_msgs("consume", rk, testid, (int)(6000*1.5));

        test_msgver_verify("consume", &mv, TEST_MSGVER_ORDER|TEST_MSGVER_DUP,

                           0, msgcnt);

        test_msgver_clear(&mv;;

        rd_kafka_topic_partition_list_destroy(tlist);

        test_consumer_close(rk);

        rd_kafka_destroy(rk);

        for (i = 0 ; i < TOPIC_CNT ; i++)

                rd_free(topic[i]);

        return 0;

}