func (c *Cache) Build(runtime *garnish.Runtime) error {
runtime.Cache = garnish.NewCache()
runtime.Cache.Saint = c.saint
runtime.Cache.GraceTTL = c.grace
runtime.Cache.Storage = cache.New(c.maxSize)
if c.purgeHandler != nil {
runtime.Cache.PurgeHandler = c.purgeHandler
runtime.Router.AddNamed("_gc_purge_all", "PURGE", "/*", nil)
runtime.Routes["_gc_purge_all"] = &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 500),
Cache: garnish.NewRouteCache(-1, c.lookup),
}
}
for _, route := range runtime.Routes {
if route.Cache != nil && route.Cache.KeyLookup == nil {
route.Cache.KeyLookup = c.lookup
}
}
return nil
}
func helper() *RuntimeHelper {
garnish.Log = garnish.NewFakeLogger()
r := router.New(router.Configure())
r.AddNamed("cache", "GET", "/cache", nil)
r.AddNamed("cache", "PURGE", "/cache", nil)
r.AddNamed("hcache", "GET", "/hcache", nil)
r.AddNamed("nocache", "GET", "/nocache", nil)
r.AddNamed("control", "GET", "/control", nil)
r.AddNamed("dispatch", "GET", "/dispatch", nil)
hydr := &middlewares.Hydrate{Header: "X-Hydrate"}
e := garnish.WrapMiddleware("upst", middlewares.Upstream, nil)
e = garnish.WrapMiddleware("dspt", middlewares.Dispatch, e)
e = garnish.WrapMiddleware("hydr", hydr.Handle, e)
e = garnish.WrapMiddleware("cach", middlewares.Cache, e)
e = garnish.WrapMiddleware("stat", middlewares.Stats, e)
runtime := &garnish.Runtime{
Router: r,
Executor: e,
FatalResponse: garnish.Empty(500),
NotFoundResponse: garnish.Empty(404),
Routes: map[string]*garnish.Route{
"cache": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Minute, garnish.DefaultCacheKeyLookup),
},
"hcache": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Minute, garnish.DefaultCacheKeyLookup),
},
"noauth": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Duration(-1), nil),
},
"control": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Duration(-1), nil),
},
"nocache": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Duration(-1), nil),
},
"dispatch": &garnish.Route{
Stats: garnish.NewRouteStats(time.Millisecond * 100),
Cache: garnish.NewRouteCache(time.Duration(-1), nil),
FlowHandler: func(req *garnish.Request, next garnish.Handler) garnish.Response {
res := next(req)
res.Header().Set("Dispatch", "out")
return res
},
},
},
}
runtime.Cache = garnish.NewCache()
runtime.Cache.Storage = cache.New(10)
runtime.Cache.PurgeHandler = func(req *garnish.Request, lookup garnish.CacheKeyLookup, cache garnish.CacheStorage) garnish.Response {
if cache.Delete(lookup(req)) == false {
return garnish.PurgeMissResponse
}
return garnish.PurgeHitResponse
}
runtime.HydrateLoader = func(reference garnish.ReferenceFragment) []byte {
return []byte(fmt.Sprintf(`{"i": %q, "p": %q}`, reference.String("id"), reference.String("type")))
}
return &RuntimeHelper{
runtime: runtime,
}
}