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https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#ifndef CPPKAFKA_METADATA_H
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#define CPPKAFKA_METADATA_H
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#include <memory>
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#include <string>
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#include <vector>
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#include <cstdint>
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#include <unordered_set>
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#include <librdkafka/rdkafka.h>
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namespace cppkafka {
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class PartitionMetadata {
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public:
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PartitionMetadata(const rd_kafka_metadata_partition& partition);
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uint32_t get_id() const;
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rd_kafka_resp_err_t get_error() const;
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int32_t get_leader() const;
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const std::vector<int32_t>& get_replicas() const;
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const std::vector<int32_t>& get_in_sync_replica_brokers() const;
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private:
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int32_t id_;
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rd_kafka_resp_err_t error_;
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int32_t leader_;
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std::vector<int32_t> replicas_;
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std::vector<int32_t> isrs_;
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};
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class TopicMetadata {
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public:
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TopicMetadata(const rd_kafka_metadata_topic& topic);
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const std::string& get_topic() const;
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rd_kafka_resp_err_t get_error() const;
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const std::vector<PartitionMetadata>& get_partitions() const;
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private:
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std::string topic_;
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rd_kafka_resp_err_t error_;
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std::vector<PartitionMetadata> partitions_;
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};
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class BrokerMetadata {
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public:
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BrokerMetadata(const rd_kafka_metadata_broker_t& broker);
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const std::string& get_host() const;
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int32_t get_id() const;
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uint16_t get_port() const;
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private:
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const std::string host_;
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int32_t id_;
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uint16_t port_;
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};
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class Metadata {
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public:
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Metadata(const rd_kafka_metadata_t* ptr);
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std::vector<BrokerMetadata> get_brokers() const;
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std::vector<TopicMetadata> get_topics() const;
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std::vector<TopicMetadata> get_topics(const std::unordered_set<std::string>& topics) const;
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std::vector<TopicMetadata> get_topics(const std::string& prefix) const;
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private:
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using HandlePtr = std::unique_ptr<const rd_kafka_metadata_t, decltype(&rd_kafka_metadata_destroy)>;
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HandlePtr handle_;
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};
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} // cppkafka
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#endif // CPPKAFKA_METADATA_H
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