1/*
2 * librdkafka - Apache Kafka C library
3 *
4 * Copyright (c) 2019 Magnus Edenhill
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 * PRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef _RDKAFKA_MSGBATCH_H_
28#define _RDKAFKA_MSGBATCH_H_
29
30typedef struct rd_kafka_msgbatch_s {
31 shptr_rd_kafka_toppar_t *s_rktp; /**< Reference to partition */
32
33 rd_kafka_msgq_t msgq; /**< Messages in batch */
34
35 /* Following fields are for Idempotent Producer use */
36 rd_kafka_pid_t pid; /**< Producer Id and Epoch */
37 int32_t first_seq; /**< Base sequence */
38 int64_t first_msgid; /**< Base msgid */
39 uint64_t last_msgid; /**< Last message to add to batch.
40 * This is used when reconstructing
41 * batches for resends with
42 * the idempotent producer which
43 * require retries to have the
44 * exact same messages in them. */
45
46} rd_kafka_msgbatch_t;
47
48
49
50/* defined in rdkafka_msg.c */
51void rd_kafka_msgbatch_destroy (rd_kafka_msgbatch_t *rkmb);
52void rd_kafka_msgbatch_init (rd_kafka_msgbatch_t *rkmb,
53 rd_kafka_toppar_t *rktp,
54 rd_kafka_pid_t pid);
55void rd_kafka_msgbatch_set_first_msg (rd_kafka_msgbatch_t *rkmb,
56 rd_kafka_msg_t *rkm);
57void rd_kafka_msgbatch_ready_produce (rd_kafka_msgbatch_t *rkmb);
58
59#endif /* _RDKAFKA_MSGBATCH_H_ */
60