Files
scylladb/exceptions/exceptions.hh
2015-02-12 19:40:58 +01:00

93 lines
2.2 KiB
C++

#ifndef EXCEPTIONS_HH
#define EXCEPTIONS_HH
#include <stdexcept>
#include "core/sstring.hh"
namespace exceptions {
class invalid_request_exception : public std::logic_error {
public:
invalid_request_exception(std::string cause)
: logic_error(cause)
{ }
};
class keyspace_not_defined_exception : public invalid_request_exception {
public:
keyspace_not_defined_exception(std::string cause)
: invalid_request_exception(cause)
{ }
};
class marshal_exception : public std::logic_error {
public:
marshal_exception(std::string cause)
: logic_error(cause)
{ }
};
enum exception_code {
SERVER_ERROR = 0x0000,
PROTOCOL_ERROR = 0x000A,
BAD_CREDENTIALS = 0x0100,
// 1xx: problem during request execution
UNAVAILABLE = 0x1000,
OVERLOADED = 0x1001,
IS_BOOTSTRAPPING= 0x1002,
TRUNCATE_ERROR = 0x1003,
WRITE_TIMEOUT = 0x1100,
READ_TIMEOUT = 0x1200,
// 2xx: problem validating the request
SYNTAX_ERROR = 0x2000,
UNAUTHORIZED = 0x2100,
INVALID = 0x2200,
CONFIG_ERROR = 0x2300,
ALREADY_EXISTS = 0x2400,
UNPREPARED = 0x2500
};
class transport_exception {
public:
virtual exception_code code() const = 0;
virtual sstring get_message() const = 0;
};
class cassandra_exception : public std::exception, public transport_exception {
private:
exception_code _code;
sstring _msg;
public:
cassandra_exception(exception_code code, sstring msg)
: _code(code)
, _msg(std::move(msg))
{ }
virtual const char* what() const noexcept override { return _msg.begin(); }
virtual exception_code code() const override { return _code; }
virtual sstring get_message() const override { return what(); }
};
class request_validation_exception : public cassandra_exception {
public:
using cassandra_exception::cassandra_exception;
};
class syntax_exception : public request_validation_exception {
public:
syntax_exception(sstring msg)
: request_validation_exception(exception_code::SYNTAX_ERROR, std::move(msg))
{ }
};
class recognition_exception : public std::runtime_error {
public:
recognition_exception(const std::string& msg) : std::runtime_error(msg) {};
};
}
#endif