remove dmsgpty sock file

cmd/skywire-visor/commands/root.go

@@ -171,6 +171,16 @@ func (cfg *runCfg) runNode() *runCfg {
 		cfg.logger.Fatal("Failed to initialize node: ", err)
 	}
 
+	if cfg.conf.DmsgPty != nil {
+		err = node.UnlinkSocketFiles(cfg.conf.AppServerSockFile, cfg.conf.DmsgPty.CLIAddr)
+	} else {
+		err = node.UnlinkSocketFiles(cfg.conf.AppServerSockFile)
+	}
+
+	if err != nil {
+		cfg.logger.Fatal("failed to unlink socket files: ", err)
+	}
+
 	if cfg.conf.Uptime.Tracker != "" {
 		uptimeTracker, err := utclient.NewHTTP(cfg.conf.Uptime.Tracker, cfg.conf.Node.StaticPubKey, cfg.conf.Node.StaticSecKey)
 		if err != nil {

pkg/visor/visor.go

@@ -361,6 +361,13 @@ func (node *Node) Close() (err error) {
 	} else {
 		node.logger.Info("router stopped successfully")
 	}
+
+	if err := node.UnlinkSocketFiles(node.conf.AppServerSockFile); err != nil {
+		node.logger.WithError(err).Errorf("Failed to unlink socket file %s", node.conf.AppServerSockFile)
+	} else {
+		node.logger.Infof("Socket file %s removed successfully", node.conf.AppServerSockFile)
+	}
+
 	return err
 }
 
@@ -496,3 +503,18 @@ func (node *Node) SetAutoStart(appName string, autoStart bool) error {
 	node.appsConf[appName] = appConf
 	return nil
 }
+
+// UnlinkSocketFiles removes unix socketFiles from file system
+func (node *Node) UnlinkSocketFiles(socketFiles ...string) error {
+	for _, f := range socketFiles {
+		if err := syscall.Unlink(f); err != nil {
+			if strings.Contains(err.Error(), "no such file or directory") {
+				continue
+			} else {
+				return err
+			}
+		}
+	}
+
+	return nil
+}

vendor/modules.txt

@@ -1,4 +1,4 @@
-# github.com/SkycoinProject/dmsg v0.0.0-20191107094546-85c27858fca6
+# github.com/SkycoinProject/dmsg v0.0.0-20191107094546-85c27858fca6 => ../dmsg
 github.com/SkycoinProject/dmsg
 github.com/SkycoinProject/dmsg/cipher
 github.com/SkycoinProject/dmsg/disc