Start cleaning up linter errors. (#358)

* Start cleaning up linter errors. For #357

* Fix unmarshalling NullTime values

* More linter fixes

* Remove commented code

* Move defer up

* Consolidate error check lines

* Move error check to make sure row iteration was successful

* Cleaner error check + do not recreate pipe if it exists

* Consolidate hashing to generate client id

core/rtmp/rtmp.go

@@ -90,7 +90,12 @@ func HandleConn(c *rtmp.Conn, nc net.Conn) {
 	log.Infoln("Incoming RTMP connected.")
 
 	pipePath := utils.GetTemporaryPipePath()
-	syscall.Mkfifo(pipePath, 0666)
+	if !utils.DoesFileExists(pipePath) {
+		err := syscall.Mkfifo(pipePath, 0666)
+		if err != nil {
+			log.Fatalln(err)
+		}
+	}
 
 	_hasInboundRTMPConnection = true
 	_setStreamAsConnected()
@@ -119,7 +124,6 @@ func HandleConn(c *rtmp.Conn, nc net.Conn) {
 			panic(err)
 		}
 	}
-
 }
 
 func handleDisconnect(conn net.Conn) {