exception.hpp

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#pragma once
 
/// @file userver/storages/redis/exception.hpp
/// @brief redis-specific exceptions
 
#include <stdexcept>
#include <string_view>
 
#include <userver/storages/redis/reply_status.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace redis {
 
/// Generic redis-related exception
class Exception : public std::runtime_error {
public:
    using std::runtime_error::runtime_error;
};
 
/// Invalid redis command argument
class InvalidArgumentException : public Exception {
public:
    using Exception::Exception;
};
 
/// Request execution failed
class RequestFailedException : public Exception {
public:
    RequestFailedException(const std::string& request_description, ReplyStatus status);
 
    ReplyStatus GetStatus() const;
    std::string_view GetStatusString() const;
 
    bool IsTimeout() const;
 
private:
    ReplyStatus status_;
};
 
/// Request was cancelled
class RequestCancelledException : public Exception {
public:
    using Exception::Exception;
};
 
/// Invalid reply data format
class ParseReplyException : public Exception {
public:
    using Exception::Exception;
};
 
/// Invalid config format
class ParseConfigException : public Exception {
public:
    using Exception::Exception;
};
 
/// Cannot connect to some redis server shard
class ClientNotConnectedException : public Exception {
public:
    using Exception::Exception;
};
 
}  // namespace redis
 
USERVER_NAMESPACE_END