Files
scylladb/redis/exceptions.hh
2021-10-27 17:02:00 +03:00

64 lines
2.2 KiB
C++

/*
* Copyright (C) 2019 pengjian.uestc @ gmail.com
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdexcept>
#include <seastar/core/print.hh>
#include "bytes.hh"
#include "seastarx.hh"
class redis_exception : public std::exception {
sstring _message;
public:
redis_exception(sstring message) : _message(std::move(message)) {}
virtual const char* what() const noexcept override { return _message.c_str(); }
const sstring& what_message() const noexcept { return _message; }
};
class wrong_arguments_exception : public redis_exception {
public:
wrong_arguments_exception(size_t expected, size_t given, const bytes& command)
: redis_exception(fmt::format("wrong number of arguments (given {}, expected {}) for '{}' command", given, expected, sstring(reinterpret_cast<const char*>(command.data()), command.size())))
{
}
};
class wrong_number_of_arguments_exception : public redis_exception {
public:
wrong_number_of_arguments_exception(const bytes& command)
: redis_exception(fmt::format("wrong number of arguments for '{}' command", sstring(reinterpret_cast<const char*>(command.data()), command.size())))
{
}
};
class invalid_arguments_exception : public redis_exception {
public:
invalid_arguments_exception(const bytes& command) : redis_exception(fmt::format("invalid argument for '{}' command", sstring(reinterpret_cast<const char*>(command.data()), command.size()))) {}
};
class invalid_db_index_exception : public redis_exception {
public:
invalid_db_index_exception() : redis_exception("DB index is out of range") {}
};