gearman-go/common/error.go

55 lines
1.7 KiB
Go

// Copyright 2011 - 2012 Xing Xing <mikespook@gmail.com>.
// All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package common
import (
"fmt"
"bytes"
"errors"
"syscall"
)
var (
ErrJobTimeOut = errors.New("Do a job time out")
ErrInvalidData = errors.New("Invalid data")
ErrWorkWarning = errors.New("Work warning")
ErrWorkFail = errors.New("Work fail")
ErrWorkException = errors.New("Work exeption")
ErrDataType = errors.New("Invalid data type")
ErrOutOfCap = errors.New("Out of the capability")
ErrNotConn = errors.New("Did not connect to job server")
ErrFuncNotFound = errors.New("The function was not found")
ErrConnection = errors.New("Connection error")
ErrNoActiveAgent = errors.New("No active agent")
ErrTimeOut = errors.New("Executing time out")
ErrUnknown = errors.New("Unknown error")
ErrConnClosed = errors.New("Connection closed")
)
func DisablePanic() {recover()}
// Extract the error message
func GetError(data []byte) (eno syscall.Errno, err error) {
rel := bytes.SplitN(data, []byte{'\x00'}, 2)
if len(rel) != 2 {
err = Errorf("Not a error data: %V", data)
return
}
l := len(rel[0])
eno = syscall.Errno(BytesToUint32([4]byte{rel[0][l-4], rel[0][l-3], rel[0][l-2], rel[0][l-1]}))
err = errors.New(string(rel[1]))
return
}
// Get a formated error
func Errorf(format string, msg ... interface{}) error {
return errors.New(fmt.Sprintf(format, msg ... ))
}
// An error handler
type ErrorHandler func(error)