🔥 Removes prometheus metric exporting

main.go

@@ -4,17 +4,29 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"sync"
 	"time"
 
-	"github.com/labstack/echo-contrib/echoprometheus"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
 	"github.com/labstack/gommon/log"
-	"github.com/prometheus/client_golang/prometheus"
 )
 
 const TimeFormat = "2006-01-02 15:04:05"
 
+// the condition is: distance >= threshold
+var value uint16 = 0
+var valueMutex sync.Mutex
+
+type ReadReq struct {
+	token string `body:"token"`
+}
+
+type WriteReq struct {
+	value uint16 `body:"value"`
+	token string `body:"token"`
+}
+
 func main() {
 	app := echo.New()
 	app.Logger.SetLevel(log.INFO)
@@ -60,22 +72,33 @@ func main() {
 		}
 	}
 
-	registry := prometheus.NewRegistry()
-	counter := prometheus.NewCounter(
-		prometheus.CounterOpts{
-			Name: "custom_requests_total",
-			Help: "How many HTTP requests processed, partitioned by status code and HTTP method.",
-		},
-	)
-	if err := registry.Register(counter); err != nil {
-		log.Fatal(err)
-	}
-
 	app.GET("/", func(c echo.Context) error {
 		return c.JSON(http.StatusOK, "Hello, World!")
 	})
 
-	app.GET("/metrics", echoprometheus.NewHandlerWithConfig(echoprometheus.HandlerConfig{Gatherer: registry}))
+	app.GET("/read", func(c echo.Context) error {
+		var data ReadReq
+		err := c.Bind(&data)
+		if err != nil {
+			return c.NoContent(http.StatusBadRequest)
+		}
+
+		return c.JSON(http.StatusOK, echo.Map{"value": value})
+	})
+
+	app.POST("/write", func(c echo.Context) error {
+		var data WriteReq
+		err := c.Bind(&data)
+		if err != nil {
+			return c.NoContent(http.StatusBadRequest)
+		}
+
+		valueMutex.Lock()
+		value = data.value
+		valueMutex.Unlock()
+
+		return c.NoContent(http.StatusOK)
+	})
 
 	log.Fatal(app.Start(":1323"))
 }