jsonrpc2/rpc/errors.go

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//Package rpc provides abstract rpc server
//
//Copyright (C) 2022 Alexander Kiryukhin <i@neonxp.dev>
//
//This file is part of go.neonxp.ru/jsonrpc2 project.
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//
//This program is free software: you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
//This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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package rpc
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import "fmt"
const (
ErrCodeParseError = -32700
ErrCodeInvalidRequest = -32600
ErrCodeMethodNotFound = -32601
ErrCodeInvalidParams = -32602
ErrCodeInternalError = -32603
ErrUser = -32000
)
var errorMap = map[int]string{
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ErrCodeParseError: "Parse error", // Invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
ErrCodeInvalidRequest: "Invalid Request", // The JSON sent is not a valid Request object.
ErrCodeMethodNotFound: "Method not found", // The method does not exist / is not available.
ErrCodeInvalidParams: "Invalid params", // Invalid method parameter(s).
ErrCodeInternalError: "Internal error", // Internal JSON-RPC error.
ErrUser: "Other error",
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}
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//-32000 to -32099 RpcServer error Reserved for implementation-defined server-errors.
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type Error struct {
Code int `json:"code"`
Message string `json:"message"`
}
func (e Error) Error() string {
return fmt.Sprintf("jsonrpc2 error: code: %d message: %s", e.Code, e.Message)
}
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func ErrorFromCode(code int) Error {
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if _, ok := errorMap[code]; ok {
return Error{
Code: code,
Message: errorMap[code],
}
}
return Error{Code: code}
}
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func NewError(message string, code int) Error {
if code == 0 {
code = ErrUser
}
return Error{
Code: code,
Message: message,
}
}