42 lines
978 B
Go
42 lines
978 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strconv"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Msg represents health check message.
|
||
|
|
type Msg string
|
||
|
|
|
||
|
|
// NewRequestMsg constructs new request health message.
|
||
|
|
func NewRequestMsg(counter int) Msg {
|
||
|
|
return Msg(fmt.Sprintf("Health Check Request|%d", counter))
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewResponseMsg constructs new request health message.
|
||
|
|
func NewResponseMsg(counter int) Msg {
|
||
|
|
return Msg(fmt.Sprintf("Health Check Response|%d", counter))
|
||
|
|
}
|
||
|
|
|
||
|
|
// Counter returns counter value from health message.
|
||
|
|
func (m *Msg) Counter() (int, error) {
|
||
|
|
fields := strings.Split(string(*m), "|")
|
||
|
|
if len(fields) != 2 {
|
||
|
|
return 0, fmt.Errorf("wrong length: %s", *m)
|
||
|
|
}
|
||
|
|
c, err := strconv.ParseInt(fields[1], 10, 0)
|
||
|
|
if err != nil {
|
||
|
|
return 0, fmt.Errorf("wrong counter value: %s", err)
|
||
|
|
}
|
||
|
|
return int(c), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Msg) IsRequest() bool {
|
||
|
|
return strings.Contains(string(*m), "Health Check Request")
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Msg) IsResponse() bool {
|
||
|
|
return strings.Contains(string(*m), "Health Check Response")
|
||
|
|
}
|