You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.2 KiB
56 lines
1.2 KiB
/* This module keeps all struct used as singleton */
|
|
|
|
package utils
|
|
|
|
import (
|
|
"sync"
|
|
"sync/atomic"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
)
|
|
|
|
// Global Port and IP for logging.
|
|
var (
|
|
Port string
|
|
IP string
|
|
)
|
|
|
|
// SetPortAndIP used to print out loggings of node with Port and IP.
|
|
// Every instance (node, txgen, etc..) needs to set this for logging.
|
|
func SetPortAndIP(port, ip string) {
|
|
Port = port
|
|
IP = ip
|
|
}
|
|
|
|
// UniqueValidatorID defines the structure of unique validator ID
|
|
type UniqueValidatorID struct {
|
|
uniqueID uint32
|
|
}
|
|
|
|
var validatorIDInstance *UniqueValidatorID
|
|
var logInstance log.Logger
|
|
var onceForUniqueValidatorID sync.Once
|
|
var onceForLog sync.Once
|
|
|
|
// GetUniqueValidatorIDInstance returns a singleton instance
|
|
func GetUniqueValidatorIDInstance() *UniqueValidatorID {
|
|
onceForUniqueValidatorID.Do(func() {
|
|
validatorIDInstance = &UniqueValidatorID{
|
|
uniqueID: 0,
|
|
}
|
|
})
|
|
return validatorIDInstance
|
|
}
|
|
|
|
// GetUniqueID returns a unique ID and increment the internal variable
|
|
func (s *UniqueValidatorID) GetUniqueID() uint32 {
|
|
return atomic.AddUint32(&s.uniqueID, 1)
|
|
}
|
|
|
|
// GetLogInstance returns logging singleton.
|
|
func GetLogInstance() log.Logger {
|
|
onceForLog.Do(func() {
|
|
logInstance = log.New("port", Port, "ip", IP)
|
|
})
|
|
return logInstance
|
|
}
|
|
|