inital commit

Overlord-Client/cmd/agent/handlers/dispatcher.go

@@ -0,0 +1,70 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"overlord-client/cmd/agent/runtime"
+)
+
+type Dispatcher struct {
+	Env *runtime.Env
+}
+
+func NewDispatcher(env *runtime.Env) *Dispatcher {
+	return &Dispatcher{Env: env}
+}
+
+func (d *Dispatcher) Dispatch(ctx context.Context, envelope map[string]interface{}) (err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Printf("dispatcher: panic: %v", r)
+			err = fmt.Errorf("dispatcher panic: %v", r)
+		}
+	}()
+
+	msgTypeRaw := envelope["type"]
+	msgType, _ := msgTypeRaw.(string)
+	if msgType == "" {
+		log.Printf("dispatcher: missing type (keys=%v)", envelopeKeys(envelope))
+		return nil
+	}
+	switch msgType {
+	case "hello_ack":
+		return HandleHelloAck(ctx, d.Env, envelope)
+	case "ping":
+		log.Printf("dispatcher: received ping")
+		return HandlePing(ctx, d.Env, envelope)
+	case "pong":
+		return HandlePong(ctx, d.Env, envelope)
+	case "command":
+		log.Printf("dispatcher: handling command type=%s", envelope["commandType"])
+		return HandleCommand(ctx, d.Env, envelope)
+	case "plugin_event":
+		return HandlePluginEvent(ctx, d.Env, envelope)
+	case "notification_config":
+		return HandleNotificationConfig(ctx, d.Env, envelope)
+	case "command_abort":
+		cmdID, _ := envelope["commandId"].(string)
+		if cmdID != "" {
+			if cancelCommand(cmdID) {
+				log.Printf("dispatcher: cancelled command %s", cmdID)
+			} else {
+				log.Printf("dispatcher: command %s not found or already completed", cmdID)
+			}
+		}
+		return nil
+	default:
+		log.Printf("dispatcher: unknown message type=%v", msgType)
+		return nil
+	}
+}
+
+func envelopeKeys(envelope map[string]interface{}) []string {
+	keys := make([]string, 0, len(envelope))
+	for key := range envelope {
+		keys = append(keys, key)
+	}
+	return keys
+}