1/*
2 * Copyright (c) 2018, Matias Fontanini
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#include "event.h"
31
32using std::allocator;
33using std::string;
34using std::unique_ptr;
35using std::vector;
36
37namespace cppkafka {
38
39Event::Event(rd_kafka_event_t* handle)
40: handle_(handle, &rd_kafka_event_destroy) {
41
42}
43
44string Event::get_name() const {
45 return rd_kafka_event_name(handle_.get());
46}
47
48rd_kafka_event_type_t Event::get_type() const {
49 return rd_kafka_event_type(handle_.get());
50}
51
52Message Event::get_next_message() const {
53 // Note: the constness in rd_kafka_event_message_next's return value is not needed and it
54 // breaks Message's interface. This is dirty but it looks like it should have no side effects.
55 const auto message =
56 const_cast<rd_kafka_message_t*>(rd_kafka_event_message_next(handle_.get()));
57 return Message::make_non_owning(message);
58}
59
60vector<Message> Event::get_messages() {
61 return get_messages(allocator<Message>());
62}
63
64size_t Event::get_message_count() const {
65 return rd_kafka_event_message_count(handle_.get());
66}
67
68Error Event::get_error() const {
69 return rd_kafka_event_error(handle_.get());
70}
71
72void* Event::get_opaque() const {
73 return rd_kafka_event_opaque(handle_.get());
74}
75
76TopicPartition Event::get_topic_partition() const {
77 using TopparHandle = unique_ptr<rd_kafka_topic_partition_t,
78 decltype(&rd_kafka_topic_partition_destroy)>;
79 TopparHandle toppar_handle{rd_kafka_event_topic_partition(handle_.get()),
80 &rd_kafka_topic_partition_destroy};
81 return TopicPartition(toppar_handle->topic, toppar_handle->partition, toppar_handle->offset);
82}
83
84TopicPartitionList Event::get_topic_partition_list() const {
85 auto toppars_handle = rd_kafka_event_topic_partition_list(handle_.get());
86 return convert(toppars_handle);
87}
88
89Event::operator bool() const {
90 return !!handle_;
91}
92
93} // cppkafka
94