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https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
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90 lines
2.6 KiB
C++
90 lines
2.6 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_ERROR_H
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#define CPPKAFKA_ERROR_H
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#include <string>
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#include <iosfwd>
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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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/**
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* Abstraction for an rdkafka error
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*/
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class CPPKAFKA_API Error {
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public:
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/**
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* @brief Constructs an error object with RD_KAFKA_RESP_ERR_NO_ERROR
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*/
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Error() = default;
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/**
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* Constructs an error object
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*/
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Error(rd_kafka_resp_err_t error);
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/**
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* Gets the error value
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*/
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rd_kafka_resp_err_t get_error() const;
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/**
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* Gets the error string
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*/
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std::string to_string() const;
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/**
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* Checks whether this error contains an actual error (and not RD_KAFKA_RESP_ERR_NO_ERROR)
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*/
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explicit operator bool() const;
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/**
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* Compares this error for equality
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*/
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bool operator==(const Error& rhs) const;
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/**
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* Compares this error for inequality
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*/
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bool operator!=(const Error& rhs) const;
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/**
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* Writes this error's string representation into a stream
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*/
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CPPKAFKA_API friend std::ostream& operator<<(std::ostream& output, const Error& rhs);
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private:
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rd_kafka_resp_err_t error_{RD_KAFKA_RESP_ERR_NO_ERROR};
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};
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} // cppkafka
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#endif // CPPKAFKA_ERROR_H
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