Created
March 24, 2018 15:10
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middleware deadlock go
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package main | |
import ( | |
"log" | |
"net/http" | |
"github.com/gin-gonic/gin" | |
"github.com/go-redis/redis" | |
"github.com/ulule/limiter" | |
mgin "github.com/ulule/limiter/drivers/middleware/gin" | |
sredis "github.com/ulule/limiter/drivers/store/redis" | |
) | |
func main() { | |
// Define a limit rate to 4 requests per hour. | |
rate, err := limiter.NewRateFromFormatted("4-H") | |
if err != nil { | |
log.Fatal(err) | |
return | |
} | |
// Create a redis client. | |
option, err := redis.ParseURL("redis://localhost:6379/0") | |
if err != nil { | |
log.Fatal(err) | |
return | |
} | |
client := redis.NewClient(option) | |
// Create a store with the redis client. | |
store, err := sredis.NewStoreWithOptions(client, limiter.StoreOptions{ | |
Prefix: "limiter_gin_example", | |
MaxRetry: 3, | |
}) | |
if err != nil { | |
log.Fatal(err) | |
return | |
} | |
// Create a new middleware with the limiter instance. | |
middleware := mgin.NewMiddleware(limiter.New(store, rate)) | |
// Launch a simple server. | |
router := gin.Default() | |
router.ForwardedByClientIP = true | |
router.Use(middleware) | |
router.GET("/", index) | |
log.Fatal(router.Run(":7777")) | |
} | |
func index(c *gin.Context) { | |
type message struct { | |
Message string `json:"message"` | |
} | |
resp := message{Message: "ok"} | |
c.JSON(http.StatusOK, resp) | |
} |
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