40 lines
1011 B
C
40 lines
1011 B
C
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#pragma once
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#ifndef RPC_CLIENT_ERROR_H
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#define RPC_CLIENT_ERROR_H
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#include <stdexcept>
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#include <cstdint>
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namespace rpc {
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namespace detail {
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//! \brief Describes an error that is the result of a connected client
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//! doing something unexpected (e.g. calling a function that does not exist,
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//! wrong number of arguments, etc.)
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class client_error : public std::exception {
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public:
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//! \brief Error codes used for signaling back to clients. These are used
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//! to produce google-able error messages (since the msgpack-rpc protocol
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//! does not define error handling in any more detail than sending an
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//! object).
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//! \note Care must be taken to keep these codes stable even between major
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//! versions.
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enum class code : uint16_t {
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no_such_function = 1,
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wrong_arity = 2,
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protocol_error = 4
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};
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client_error(code c, const std::string &msg);
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const char *what() const noexcept;
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private:
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std::string what_;
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};
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}
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}
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#endif // RPC_CLIENT_ERROR_H
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