mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
111 lines
2.5 KiB
Go
111 lines
2.5 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package errs
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
)
|
|
|
|
/*
|
|
Errors implements an error handler providing standardised errors for a package.
|
|
Fields:
|
|
|
|
Errors:
|
|
a map from error codes to description
|
|
|
|
Package:
|
|
name of the package/component
|
|
|
|
Level:
|
|
a function mapping error code to logger.LogLevel (severity)
|
|
if not given, errors default to logger.InfoLevel
|
|
*/
|
|
type Errors struct {
|
|
Errors map[int]string
|
|
Package string
|
|
Level func(code int) logger.LogLevel
|
|
}
|
|
|
|
/*
|
|
Error implements the standard go error interface.
|
|
|
|
errors.New(code, format, params ...interface{})
|
|
|
|
Prints as:
|
|
|
|
[package] description: details
|
|
|
|
where details is fmt.Sprintf(self.format, self.params...)
|
|
*/
|
|
type Error struct {
|
|
Code int
|
|
Name string
|
|
Package string
|
|
level logger.LogLevel
|
|
message string
|
|
format string
|
|
params []interface{}
|
|
}
|
|
|
|
func (self *Errors) New(code int, format string, params ...interface{}) *Error {
|
|
name, ok := self.Errors[code]
|
|
if !ok {
|
|
panic("invalid error code")
|
|
}
|
|
level := logger.InfoLevel
|
|
if self.Level != nil {
|
|
level = self.Level(code)
|
|
}
|
|
return &Error{
|
|
Code: code,
|
|
Name: name,
|
|
Package: self.Package,
|
|
level: level,
|
|
format: format,
|
|
params: params,
|
|
}
|
|
}
|
|
|
|
func (self Error) Error() (message string) {
|
|
if len(message) == 0 {
|
|
self.message = fmt.Sprintf("[%s] ERROR: %s", self.Package, self.Name)
|
|
if self.format != "" {
|
|
self.message += ": " + fmt.Sprintf(self.format, self.params...)
|
|
}
|
|
}
|
|
return self.message
|
|
}
|
|
|
|
func (self Error) Log(v glog.Verbose) {
|
|
if v {
|
|
v.Infoln(self)
|
|
}
|
|
}
|
|
|
|
/*
|
|
err.Fatal() is true if err's severity level is 0 or 1 (logger.ErrorLevel or logger.Silence)
|
|
*/
|
|
func (self *Error) Fatal() (fatal bool) {
|
|
if self.level < logger.WarnLevel {
|
|
fatal = true
|
|
}
|
|
return
|
|
}
|