Preparations for service infrastructure

service.go

@@ -0,0 +1,46 @@
+// vim:ts=4:sts=4:sw=4:noet:tw=72
+
+package ircd
+
+import (
+	"time"
+
+	"code.dnix.de/an/irc"
+)
+
+type Service struct {
+	recvq    chan *irc.Message
+	handlers map[string]func(*irc.Message)
+}
+
+func NewService() *Service {
+	recvq := make(chan *irc.Message, 1024)
+	handlers := make(map[string]func(*irc.Message))
+	return &Service{recvq: recvq, handlers: handlers}
+}
+
+func (svc *Service) Run() {
+	go svc.dispatcher()
+}
+
+func (svc *Service) Dispatch(msg *irc.Message) {
+	svc.recvq <- msg
+}
+
+func (svc *Service) Handler(cmd string, fn func(*irc.Message)) {
+	svc.handlers[cmd] = fn
+}
+
+func (svc *Service) dispatcher() {
+	for {
+		select {
+		case msg := <-svc.recvq:
+			if fn, exists := sv.handlers[msg.Pre]; exists {
+				fn(msg)
+			}
+		default:
+			time.Sleep(100 * time.Microsecond)
+		}
+	}
+	return
+}