daemon: use per-interface features

Signed-off-by: Steffen Vogel <post@steffenvogel.de>

pkg/daemon/feature/hooks/hooks.go

@@ -0,0 +1,67 @@
+package hooks
+
+import (
+	"github.com/stv0g/cunicu/pkg/config"
+	"github.com/stv0g/cunicu/pkg/core"
+	"github.com/stv0g/cunicu/pkg/daemon"
+	"github.com/stv0g/cunicu/pkg/daemon/feature/epdisc"
+	"go.uber.org/zap"
+)
+
+func init() {
+	daemon.Features["hooks"] = &daemon.FeaturePlugin{
+		New:         New,
+		Description: "Hooks",
+		Order:       70,
+	}
+}
+
+type Hook interface {
+	core.AllHandler
+	epdisc.OnConnectionStateHandler
+}
+
+type Interface struct {
+	*daemon.Interface
+
+	logger *zap.Logger
+}
+
+func New(i *daemon.Interface) (daemon.Feature, error) {
+	if len(i.Settings.Hooks) == 0 {
+		return nil, nil
+	}
+
+	h := &Interface{
+		Interface: i,
+		logger:    zap.L().Named("hooks").With(zap.String("intf", i.Name())),
+	}
+
+	for _, hk := range i.Settings.Hooks {
+		switch hk := hk.(type) {
+		case *config.ExecHookSetting:
+			h.NewExecHook(hk)
+		case *config.WebHookSetting:
+			h.NewWebHook(hk)
+		}
+	}
+
+	return h, nil
+}
+
+func (h *Interface) registerHook(j Hook) {
+	h.Daemon.Watcher.OnAll(j)
+
+	ep := h.Features["epdisc"].(*epdisc.Interface)
+	ep.OnConnectionStateChange(j)
+}
+
+func (h *Interface) Start() error {
+	h.logger.Info("Started hooks")
+
+	return nil
+}
+
+func (h *Interface) Close() error {
+	return nil
+}