gecho/gecho.go

63 lines
1.5 KiB
Go

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())
}
}