initial commit

message.go

@@ -0,0 +1,48 @@
+package main
+
+import "github.com/gorilla/websocket"
+//import "encoding/json"
+
+// Backend message object
+type Message struct {
+	// Type of message
+	mtype string
+
+	// Arguments of the message
+	arguments map[string]interface{}
+}
+
+// Get the display back to its idle state
+func encodeMessage(msg Message) []byte {
+	// TODO
+	return nil
+}
+
+// Get the display back to its idle state
+func decodeMessage(data []byte) Message {
+	// TODO
+	return Message{}
+}
+
+// Encode a message and send it over a WebSocket
+func sendMessage(sock *websocket.Conn, msg Message) {
+	// Encode and send the message
+	sock.WriteMessage(websocket.TextMessage, encodeMessage(msg))
+}
+
+// Receive a message from a WebSocket and decode it
+func recvMessage(sock *websocket.Conn, timeoutMS int) Message {
+	// TODO
+	return Message{}
+}
+
+// Encode an error message and send it over a WebSocket
+func sendErrorMessage(sock *websocket.Conn, err string) {
+	// Send the error message
+	sock.WriteMessage(websocket.TextMessage, encodeMessage(Message{
+		mtype: "error",
+		arguments: map[string]interface{}{
+			"error": err,
+		},
+	}))
+}