| 1 | /* |
| 2 | * librdkafka - Apache Kafka C library |
| 3 | * |
| 4 | * Copyright (c) 2012,2013 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 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _RDKAFKA_OFFSET_H_ |
| 30 | #define _RDKAFKA_OFFSET_H_ |
| 31 | |
| 32 | #include "rdkafka_partition.h" |
| 33 | |
| 34 | |
| 35 | const char *rd_kafka_offset2str (int64_t offset); |
| 36 | |
| 37 | |
| 38 | /** |
| 39 | * Stores the offset for the toppar 'rktp'. |
| 40 | * The actual commit of the offset to backing store is usually |
| 41 | * performed at a later time (time or threshold based). |
| 42 | * |
| 43 | * See head of rdkafka_offset.c for more information. |
| 44 | */ |
| 45 | static RD_INLINE RD_UNUSED |
| 46 | void rd_kafka_offset_store0 (rd_kafka_toppar_t *rktp, int64_t offset, |
| 47 | int lock) { |
| 48 | if (lock) |
| 49 | rd_kafka_toppar_lock(rktp); |
| 50 | rktp->rktp_stored_offset = offset; |
| 51 | if (lock) |
| 52 | rd_kafka_toppar_unlock(rktp); |
| 53 | } |
| 54 | |
| 55 | rd_kafka_resp_err_t rd_kafka_offset_store (rd_kafka_topic_t *rkt, |
| 56 | int32_t partition, int64_t offset); |
| 57 | |
| 58 | rd_kafka_resp_err_t rd_kafka_offset_sync (rd_kafka_toppar_t *rktp); |
| 59 | |
| 60 | void rd_kafka_offset_store_term (rd_kafka_toppar_t *rktp, |
| 61 | rd_kafka_resp_err_t err); |
| 62 | rd_kafka_resp_err_t rd_kafka_offset_store_stop (rd_kafka_toppar_t *rktp); |
| 63 | void rd_kafka_offset_store_init (rd_kafka_toppar_t *rktp); |
| 64 | |
| 65 | void rd_kafka_offset_reset (rd_kafka_toppar_t *rktp, int64_t err_offset, |
| 66 | rd_kafka_resp_err_t err, const char *reason); |
| 67 | |
| 68 | void rd_kafka_offset_query_tmr_cb (rd_kafka_timers_t *rkts, void *arg); |
| 69 | |
| 70 | void rd_kafka_offset_commit_cb_op (rd_kafka_t *rk, |
| 71 | rd_kafka_resp_err_t err, |
| 72 | const rd_kafka_topic_partition_list_t *offsets); |
| 73 | |
| 74 | #endif /* _RDKAFKA_OFFSET_H_ */ |
| 75 | |