inital commit

Overlord-Client/cmd/agent/wire/writer.go

@@ -0,0 +1,20 @@
+package wire
+
+import (
+	"context"
+
+	"github.com/vmihailenco/msgpack/v5"
+	"nhooyr.io/websocket"
+)
+
+type Writer interface {
+	Write(ctx context.Context, messageType websocket.MessageType, p []byte) error
+}
+
+func WriteMsg(ctx context.Context, w Writer, v interface{}) error {
+	payload, err := msgpack.Marshal(v)
+	if err != nil {
+		return err
+	}
+	return w.Write(ctx, websocket.MessageBinary, payload)
+}