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https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
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76 lines
3.2 KiB
C++
76 lines
3.2 KiB
C++
/*
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* Copyright (c) 2017, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef CPPKAFKA_TOPIC_PARTITION_LIST_H
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#define CPPKAFKA_TOPIC_PARTITION_LIST_H
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#include <memory>
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#include <iosfwd>
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#include <algorithm>
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#include <vector>
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#include <set>
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#include <librdkafka/rdkafka.h>
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#include "macros.h"
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namespace cppkafka {
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class TopicPartition;
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class PartitionMetadata;
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using TopicPartitionsListPtr = std::unique_ptr<rd_kafka_topic_partition_list_t,
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decltype(&rd_kafka_topic_partition_list_destroy)>;
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/**
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* A topic partition list
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*/
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using TopicPartitionList = std::vector<TopicPartition>;
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// Conversions between rdkafka handles and TopicPartitionList
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CPPKAFKA_API TopicPartitionsListPtr convert(const TopicPartitionList& topic_partitions);
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CPPKAFKA_API TopicPartitionList convert(const TopicPartitionsListPtr& topic_partitions);
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CPPKAFKA_API TopicPartitionList convert(rd_kafka_topic_partition_list_t* topic_partitions);
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CPPKAFKA_API TopicPartitionList convert(const std::string& topic,
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const std::vector<PartitionMetadata>& partition_metadata);
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CPPKAFKA_API TopicPartitionsListPtr make_handle(rd_kafka_topic_partition_list_t* handle);
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// Extracts a partition list subset belonging to the provided topics (case-insensitive)
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CPPKAFKA_API TopicPartitionList find_matches(const TopicPartitionList& partitions,
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const std::set<std::string>& topics);
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// Extracts a partition list subset belonging to the provided partition ids
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// Note: this assumes that all topic partitions in the original list belong to the same topic
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// otherwise the partition ids may not be unique
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CPPKAFKA_API TopicPartitionList find_matches(const TopicPartitionList& partitions,
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const std::set<int>& ids);
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CPPKAFKA_API std::ostream& operator<<(std::ostream& output, const TopicPartitionList& rhs);
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} // cppkafka
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#endif // CPPKAFKA_TOPIC_PARTITION_LIST_H
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