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#pragma once
#ifndef RPC_CLIENT_ERROR_H
#define RPC_CLIENT_ERROR_H
#include <stdexcept>
#include <cstdint>
namespace rpc {
namespace detail {
//! \brief Describes an error that is the result of a connected client
//! doing something unexpected (e.g. calling a function that does not exist,
//! wrong number of arguments, etc.)
class client_error : public std::exception {
public:
//! \brief Error codes used for signaling back to clients. These are used
//! to produce google-able error messages (since the msgpack-rpc protocol
//! does not define error handling in any more detail than sending an
//! object).
//! \note Care must be taken to keep these codes stable even between major
//! versions.
enum class code : uint16_t {
no_such_function = 1,
wrong_arity = 2,
protocol_error = 4
};
client_error(code c, const std::string &msg);
const char *what() const noexcept;
private:
std::string what_;
};
}
}
#endif // RPC_CLIENT_ERROR_H
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