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https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
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77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*
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* Copyright (c) 2016, 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_CONFIGURATION_H
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#define CPPKAFKA_TOPIC_CONFIGURATION_H
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#include <string>
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#include <functional>
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#include <librdkafka/rdkafka.h>
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#include "clonable_ptr.h"
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#include "configuration_base.h"
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namespace cppkafka {
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class Topic;
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class Buffer;
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class TopicConfiguration : public ConfigurationBase<TopicConfiguration> {
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public:
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using PartitionerCallback = std::function<int32_t(const Topic&, const Buffer& key,
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int32_t partition_count)>;
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using ConfigurationBase<TopicConfiguration>::set;
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TopicConfiguration();
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void set(const std::string& name, const std::string& value);
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void set_partitioner_callback(PartitionerCallback callback);
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void set_as_opaque();
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const PartitionerCallback& get_partitioner_callback() const;
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rd_kafka_topic_conf_t* get_handle() const;
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std::string get(const std::string& name) const;
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private:
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using HandlePtr = ClonablePtr<rd_kafka_topic_conf_t,
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decltype(&rd_kafka_topic_conf_destroy),
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decltype(&rd_kafka_topic_conf_dup)>;
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TopicConfiguration(rd_kafka_topic_conf_t* ptr);
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static HandlePtr make_handle(rd_kafka_topic_conf_t* ptr);
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HandlePtr handle_;
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PartitionerCallback partitioner_callback_;
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};
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} // cppkafka
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#endif // CPPKAFKA_TOPIC_CONFIGURATION_H
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