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// Copyright 2020 Marc-Antoine Ruel. All rights reserved.
// Use of this source code is governed under the Apache License, Version 2.0
// that can be found in the LICENSE file.
// Package internal implements the handlers for panicweb so they are in a
// separate package than "main".
package internal
import (
"io/ioutil"
"log"
"net/http"
)
// Unblock unblocks one http server handler.
var Unblock = make(chan struct{})
// GetAsync does an HTTP GET to the URL but leaves the actual fetching to a
// goroutine.
func GetAsync(url string) {
/* #nosec G107 */
resp, err := http.Get(url)
if err != nil {
log.Fatalf("get %s: %v", url, err)
}
go func() {
_, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatalf("failed to read: %v", err)
}
_ = resp.Body.Close()
log.Fatal("the goal is to not complete this request")
}()
}
// URL1Handler is a http.HandlerFunc that hangs.
func URL1Handler(w http.ResponseWriter, req *http.Request) {
// Respond the HTTP header to unblock the http.Get() function.
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.Header().Set("Content-Length", "100000")
w.WriteHeader(200)
b := [4096]byte{}
_, _ = w.Write(b[:])
<-Unblock
}
// URL2Handler is a http.HandlerFunc that hangs.
func URL2Handler(w http.ResponseWriter, req *http.Request) {
// Respond the HTTP header to unblock the http.Get() function.
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.Header().Set("Content-Length", "100000")
w.WriteHeader(200)
b := [4096]byte{}
_, _ = w.Write(b[:])
<-Unblock
}
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