refactor(watchdog): remove tcp socket connection and add local unix sock connection

watchdog/connect.go

@@ -6,7 +6,7 @@ import (
 	"time"
 )
 
-func Connect(ipaddr string, port int) bool {
+func Connect() bool {
 	if IsConnected() {
 		return true
 	}
@@ -18,7 +18,7 @@ func Connect(ipaddr string, port int) bool {
 	deadline := time.Now().Add(5 * time.Second)
 	var lastErr error
 	for {
-		if err := tcpConnect(ipaddr, port); err == nil {
+		if err := localSocketConnect(); err == nil {
 			break
 		} else {
 			lastErr = err
@@ -58,6 +58,8 @@ func Disconnect() bool {
 		return false
 	}
 
+	KillWatchdogProcess()
+
 	time.Sleep(100 * time.Millisecond)
 
 	return true