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100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2023, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#pragma once
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#include <cassandra.h>
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#include <string>
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namespace Backend::Cassandra {
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/**
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* @brief A simple container for both error message and error code
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*/
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class CassandraError
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{
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std::string message_;
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uint32_t code_;
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public:
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CassandraError() = default; // default constructible required by Expected
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CassandraError(std::string message, uint32_t code) : message_{message}, code_{code}
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{
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}
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template <typename T>
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friend std::string
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operator+(T const& lhs, CassandraError const& rhs) requires std::is_convertible_v<T, std::string>
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{
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return lhs + rhs.message();
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}
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template <typename T>
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friend bool
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operator==(T const& lhs, CassandraError const& rhs) requires std::is_convertible_v<T, std::string>
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{
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return lhs == rhs.message();
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}
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template <std::integral T>
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friend bool
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operator==(T const& lhs, CassandraError const& rhs)
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{
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return lhs == rhs.code();
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}
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friend std::ostream&
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operator<<(std::ostream& os, CassandraError const& err)
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{
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os << err.message();
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return os;
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}
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std::string
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message() const
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{
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return message_;
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}
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uint32_t
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code() const
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{
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return code_;
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}
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bool
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isTimeout() const
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{
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if (code_ == CASS_ERROR_LIB_NO_HOSTS_AVAILABLE or code_ == CASS_ERROR_LIB_REQUEST_TIMED_OUT or
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code_ == CASS_ERROR_SERVER_UNAVAILABLE or code_ == CASS_ERROR_SERVER_OVERLOADED or
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code_ == CASS_ERROR_SERVER_READ_TIMEOUT)
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return true;
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return false;
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}
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bool
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isInvalidQuery() const
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{
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return code_ == CASS_ERROR_SERVER_INVALID_QUERY;
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}
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};
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} // namespace Backend::Cassandra
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