Initial distributor implementation

appengine/cmd/dm/distributor/handlers.go

+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package distributor
+
+import (
+        "net/http"
+
+        "github.com/julienschmidt/httprouter"
+        "github.com/luci/luci-go/appengine/gaemiddleware"
+        "github.com/luci/luci-go/server/middleware"
+        "golang.org/x/net/context"
+)
+
+// InstallHandlers installs the taskqueue callback handler.
+//
+// The `base` middleware must have a registry installed with WithRegistry.
+func InstallHandlers(reg Registry, r *httprouter.Router, base middleware.Base) {
+        r.POST(handlerPattern, base(
+                gaemiddleware.RequireTaskQueue("", func(c context.Context, rw http.ResponseWriter, r *http.Request, p httprouter.Params) {
+                        TaskQueueHandler(WithRegistry(c, reg), rw, r, p)
+                })))
+
+        r.POST("/_ah/push-handlers/"+notifyTopicSuffix, base(
+                func(c context.Context, rw http.ResponseWriter, r *http.Request, p httprouter.Params) {
+                        PubsubReciever(WithRegistry(c, reg), rw, r, p)
+                }))
+}