Stabilize TeamSpeak connection: implement command compression, fragmentation, and fix MAC/flags

pkg/protocol/commands.go

@@ -57,3 +57,34 @@ func Escape(s string) string {
 	)
 	return r.Replace(s)
 }
+
+// Command represents a TeamSpeak 3 command for building/encoding
+type Command struct {
+	Name   string
+	Params map[string]string
+}
+
+func NewCommand(name string) *Command {
+	return &Command{
+		Name:   name,
+		Params: make(map[string]string),
+	}
+}
+
+func (c *Command) AddParam(key, value string) {
+	c.Params[key] = value
+}
+
+func (c *Command) Encode() string {
+	var sb strings.Builder
+	sb.WriteString(c.Name)
+	for k, v := range c.Params {
+		sb.WriteString(" ")
+		sb.WriteString(k)
+		if v != "" {
+			sb.WriteString("=")
+			sb.WriteString(Escape(v))
+		}
+	}
+	return sb.String()
+}