feat: break main into feature files

gecho.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+// handler generates the echo server response
+func handler(l int) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		defer C.Add()
+		if !serve(l) {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if r.Header.Get("Content-Type") == "application/json" {
+			v := make(map[string]interface{})
+			err := json.NewDecoder(r.Body).Decode(&v)
+			if err != nil {
+				http.Error(w, "why did you do that?", http.StatusInternalServerError)
+				return
+			}
+			fmt.Fprintf(w, "%s", v)
+			return
+		}
+		v, err := io.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, "Error reading body", http.StatusBadRequest)
+		}
+		if r.Header.Get("Reverse") == "true" {
+			v = reverse(v)
+		}
+		fmt.Fprintf(w, "%s", v)
+	}
+}
+
+// httpHealth is a bad implementation of a health check
+func httpHealth(l int) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if !serve(l) {
+			http.Error(w, fmt.Sprintf(`{"status":"FAIL","requests":"%v"}`, C.Get()), http.StatusInternalServerError)
+			return
+		}
+		fmt.Fprintf(w, `{"status":"ok","requests":"%v"}`, C.Get())
+	}
+}
+
+// reset resets the request counter
+func reset(rt string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		r.ParseForm()
+		t := r.FormValue("TOKEN")
+		if len(t) == 0 || t != rt {
+			http.Error(w, "Bad request, invalid token", http.StatusBadRequest)
+			return
+		}
+		C.Reset()
+		fmt.Fprintf(w, `{"status":"ok","requests":"%v"}`, C.Get())
+	}
+}