| /* |
| * librdkafka - The Apache Kafka C/C++ library |
| * |
| * Copyright (c) 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. |
| */ |
| #pragma once |
| |
| |
| |
| |
| |
| typedef struct rd_kafka_group_member_s { |
| rd_kafka_topic_partition_list_t *rkgm_subscription; |
| rd_kafka_topic_partition_list_t *rkgm_assignment; |
| rd_list_t rkgm_eligible; |
| rd_kafkap_str_t *rkgm_member_id; |
| rd_kafkap_bytes_t *rkgm_userdata; |
| rd_kafkap_bytes_t *rkgm_member_metadata; |
| } rd_kafka_group_member_t; |
| |
| |
| int rd_kafka_group_member_cmp (const void *_a, const void *_b); |
| |
| int |
| rd_kafka_group_member_find_subscription (rd_kafka_t *rk, |
| const rd_kafka_group_member_t *rkgm, |
| const char *topic); |
| |
| |
| /** |
| * Structure to hold metadata for a single topic and all its |
| * subscribing members. |
| */ |
| typedef struct rd_kafka_assignor_topic_s { |
| const rd_kafka_metadata_topic_t *metadata; |
| rd_list_t members; /* rd_kafka_group_member_t * */ |
| } rd_kafka_assignor_topic_t; |
| |
| |
| int rd_kafka_assignor_topic_cmp (const void *_a, const void *_b); |
| |
| |
| typedef struct rd_kafka_assignor_s { |
| rd_kafkap_str_t *rkas_protocol_type; |
| rd_kafkap_str_t *rkas_protocol_name; |
| |
| const void *rkas_userdata; |
| size_t rkas_userdata_size; |
| |
| int rkas_enabled; |
| |
| rd_kafka_resp_err_t (*rkas_assign_cb) ( |
| rd_kafka_t *rk, |
| const char *member_id, |
| const char *protocol_name, |
| const rd_kafka_metadata_t *metadata, |
| rd_kafka_group_member_t *members, |
| size_t member_cnt, |
| rd_kafka_assignor_topic_t **eligible_topics, |
| size_t eligible_topic_cnt, |
| char *errstr, |
| size_t errstr_size, |
| void *opaque); |
| |
| rd_kafkap_bytes_t *(*rkas_get_metadata_cb) ( |
| struct rd_kafka_assignor_s *rkpas, |
| const rd_list_t *topics); |
| |
| |
| void (*rkas_on_assignment_cb) (const char *member_id, |
| rd_kafka_group_member_t |
| *assignment, void *opaque); |
| |
| void *rkas_opaque; |
| } rd_kafka_assignor_t; |
| |
| |
| rd_kafkap_bytes_t * |
| rd_kafka_assignor_get_metadata (rd_kafka_assignor_t *rkpas, |
| const rd_list_t *topics); |
| |
| |
| void rd_kafka_assignor_update_subscription (rd_kafka_assignor_t *rkpas, |
| const rd_kafka_topic_partition_list_t |
| *subscription); |
| |
| |
| rd_kafka_resp_err_t |
| rd_kafka_assignor_run (struct rd_kafka_cgrp_s *rkcg, |
| const char *protocol_name, |
| rd_kafka_metadata_t *metadata, |
| rd_kafka_group_member_t *members, int member_cnt, |
| char *errstr, size_t errstr_size); |
| |
| rd_kafka_assignor_t * |
| rd_kafka_assignor_find (rd_kafka_t *rk, const char *protocol); |
| |
| int rd_kafka_assignors_init (rd_kafka_t *rk, char *errstr, size_t errstr_size); |
| void rd_kafka_assignors_term (rd_kafka_t *rk); |
| |
| |
| |
| void rd_kafka_group_member_clear (rd_kafka_group_member_t *rkgm); |
| |
| |
| /** |
| * rd_kafka_range_assignor.c |
| */ |
| rd_kafka_resp_err_t |
| rd_kafka_range_assignor_assign_cb (rd_kafka_t *rk, |
| const char *member_id, |
| const char *protocol_name, |
| const rd_kafka_metadata_t *metadata, |
| rd_kafka_group_member_t *members, |
| size_t member_cnt, |
| rd_kafka_assignor_topic_t **eligible_topics, |
| size_t eligible_topic_cnt, |
| char *errstr, size_t errstr_size, |
| void *opaque); |
| |
| |
| /** |
| * rd_kafka_roundrobin_assignor.c |
| */ |
| rd_kafka_resp_err_t |
| rd_kafka_roundrobin_assignor_assign_cb (rd_kafka_t *rk, |
| const char *member_id, |
| const char *protocol_name, |
| const rd_kafka_metadata_t *metadata, |
| rd_kafka_group_member_t *members, |
| size_t member_cnt, |
| rd_kafka_assignor_topic_t |
| **eligible_topics, |
| size_t eligible_topic_cnt, |
| char *errstr, size_t errstr_size, |
| void *opaque); |
| |