예제 #1
0
func handler(p *httputil.ReverseProxy, redisClient *redis.Client) func(http.ResponseWriter, *http.Request) {
	return func(w http.ResponseWriter, r *http.Request) {

		hash := hashKey(r)

		serializableResponse := SerializableResponse{make(map[string][]string), nil}

		s, err := redisClient.Get(hash)
		if err != nil { // The request is not cached
			rec := httptest.NewRecorder()
			log.Println("Non cached: " + hash)

			// Perform the real request and cache it
			p.ServeHTTP(rec, r)

			for k, v := range rec.Header() {
				serializableResponse.Header[k] = v
			}
			serializableResponse.Body = rec.Body.Bytes()

			jsonResponse, err := json.Marshal(serializableResponse)
			if err != nil {
				panic(err)
			}
			redisClient.Set(hash, jsonResponse)
			w.Header().Set("X-Eidetic", "Live request")

		} else { // The request is cached
			log.Println("Cached!: " + hash)

			// Load the cached request
			err = json.Unmarshal([]byte(s), &serializableResponse)
			if err != nil {
				panic(err)
			}

			w.Header().Set("X-Eidetic", "Cached request")

		}

		//Copy the data to the actual ResponseWriter
		// log.Println("\n\n\nResponse Headers:")
		for k, v := range serializableResponse.Header {
			w.Header()[k] = v
			// log.Println(k + ": ")
			// for _, str := range v {
			// 	log.Println("  " + str)
			// }
		}
		w.Write([]byte(serializableResponse.Body))
		// log.Println("\nResponse body:\n" + string(serializableResponse.Body))

	}
}
예제 #2
0
파일: redis.go 프로젝트: panjianbo/gosrc
func main() {
	var client *redis.Client

	client = redis.New()
	client.Connect("localhost", 6379)

	s, _ := client.Ping()
	fmt.Println(s)
	client.Incr("hello")
	s, _ = client.Get("hello")
	fmt.Println(s)
	client.Quit()
}