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Diffstat (limited to 'fluent-bit/lib/librdkafka-2.1.0/tests/0090-idempotence.c')
| -rw-r--r-- | fluent-bit/lib/librdkafka-2.1.0/tests/0090-idempotence.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/fluent-bit/lib/librdkafka-2.1.0/tests/0090-idempotence.c b/fluent-bit/lib/librdkafka-2.1.0/tests/0090-idempotence.c new file mode 100644 index 00000000..02d16df5 --- /dev/null +++ b/fluent-bit/lib/librdkafka-2.1.0/tests/0090-idempotence.c @@ -0,0 +1,172 @@ +/* + * librdkafka - Apache Kafka C library + * + * Copyright (c) 2018, 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> + +/** + * @name Idempotent Producer tests + * + */ + +static struct { + int batch_cnt; + int initial_fail_batch_cnt; + rd_atomic32_t produce_cnt; +} state; + + + +/** + * @brief This is called prior to parsing the ProduceResponse, + * we use it to inject errors. + * + * @locality an internal rdkafka thread + */ +static rd_kafka_resp_err_t handle_ProduceResponse(rd_kafka_t *rk, + int32_t brokerid, + uint64_t msgseq, + rd_kafka_resp_err_t err) { + rd_kafka_resp_err_t new_err = err; + int n; + + if (err == RD_KAFKA_RESP_ERR__RETRY) + return err; /* Skip internal retries, such as triggered by + * rd_kafka_broker_bufq_purge_by_toppar() */ + + n = rd_atomic32_add(&state.produce_cnt, 1); + + /* Let the first N ProduceRequests fail with request timeout. + * Do allow the first request through. */ + if (n > 1 && n <= state.initial_fail_batch_cnt) { + if (err) + TEST_WARN( + "First %d ProduceRequests should not " + "have failed, this is #%d with error %s for " + "brokerid %" PRId32 " and msgseq %" PRIu64 "\n", + state.initial_fail_batch_cnt, n, + rd_kafka_err2name(err), brokerid, msgseq); + assert(!err && + *"First N ProduceRequests should not have failed"); + new_err = RD_KAFKA_RESP_ERR__TIMED_OUT; + } + + TEST_SAY("handle_ProduceResponse(broker %" PRId32 ", MsgSeq %" PRId64 + ", Error %s) -> new Error %s\n", + brokerid, msgseq, rd_kafka_err2name(err), + rd_kafka_err2name(new_err)); + + return new_err; +} + + +/** + * @brief Test handling of implicit acks. + * + * @param batch_cnt Total number of batches, ProduceRequests, sent. + * @param initial_fail_batch_cnt How many of the initial batches should + * fail with an emulated network timeout. + */ +static void do_test_implicit_ack(const char *what, + int batch_cnt, + int initial_fail_batch_cnt) { + rd_kafka_t *rk; + const char *topic = test_mk_topic_name("0090_idempotence_impl_ack", 1); + const int32_t partition = 0; + uint64_t testid; + int msgcnt = 10 * batch_cnt; + rd_kafka_conf_t *conf; + rd_kafka_topic_t *rkt; + test_msgver_t mv; + + TEST_SAY(_C_MAG "[ Test implicit ack: %s ]\n", what); + + rd_atomic32_init(&state.produce_cnt, 0); + state.batch_cnt = batch_cnt; + state.initial_fail_batch_cnt = initial_fail_batch_cnt; + + testid = test_id_generate(); + + test_conf_init(&conf, NULL, 60); + rd_kafka_conf_set_dr_msg_cb(conf, test_dr_msg_cb); + test_conf_set(conf, "enable.idempotence", "true"); + test_conf_set(conf, "batch.num.messages", "10"); + test_conf_set(conf, "linger.ms", "500"); + test_conf_set(conf, "retry.backoff.ms", "10"); + + /* The ProduceResponse handler will inject timed-out-in-flight + * errors for the first N ProduceRequests, which will trigger retries + * that in turn will result in OutOfSequence errors. */ + test_conf_set(conf, "ut_handle_ProduceResponse", + (char *)handle_ProduceResponse); + + rk = test_create_handle(RD_KAFKA_PRODUCER, conf); + + test_create_topic(rk, topic, 1, 1); + + rkt = test_create_producer_topic(rk, topic, NULL); + + + TEST_SAY("Producing %d messages\n", msgcnt); + test_produce_msgs(rk, rkt, testid, -1, 0, msgcnt, NULL, 0); + + TEST_SAY("Flushing..\n"); + rd_kafka_flush(rk, 10000); + + rd_kafka_topic_destroy(rkt); + rd_kafka_destroy(rk); + + TEST_SAY("Verifying messages with consumer\n"); + test_msgver_init(&mv, testid); + test_consume_msgs_easy_mv(NULL, topic, partition, testid, 1, msgcnt, + NULL, &mv); + test_msgver_verify("verify", &mv, TEST_MSGVER_ALL, 0, msgcnt); + test_msgver_clear(&mv); + + TEST_SAY(_C_GRN "[ Test implicit ack: %s : PASS ]\n", what); +} + + +int main_0090_idempotence(int argc, char **argv) { + /* The broker maintains a window of the N last ProduceRequests + * per partition and producer to allow ProduceRequest retries + * for previously successful requests to return a non-error response. + * This limit is currently (AK 2.0) hard coded at 5. */ + const int broker_req_window = 5; + + do_test_implicit_ack("within broker request window", + broker_req_window * 2, broker_req_window); + + do_test_implicit_ack("outside broker request window", + broker_req_window + 3, broker_req_window + 3); + + return 0; +} |