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httputils.go
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httputils.go
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// Copyright 2015 The rkt Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package testutils
import (
"fmt"
"io/ioutil"
"net"
"net/http"
"os"
"time"
"github.com/coreos/rkt/tests/testutils/logger"
"github.com/hydrogen18/stoppableListener"
)
func HTTPServe(addr string, timeout int) error {
hostname, err := os.Hostname()
if err != nil {
panic(err)
}
originalListener, err := net.Listen("tcp4", addr)
if err != nil {
panic(err)
}
sl, err := stoppableListener.New(originalListener)
if err != nil {
panic(err)
}
c := make(chan string)
go func() {
logger.Logf("%v: serving on %v\n", hostname, addr)
// Wait for either timeout or connect from client
select {
case <-time.After(time.Duration(timeout) * time.Second):
{
logger.Logf("%v: Serve timed out after %v seconds\n", hostname, timeout)
}
case client := (<-c):
{
logger.Logf("%v: Serve got a connection from %v\n", hostname, client)
}
}
sl.Stop()
}()
serveMux := http.NewServeMux()
serveMux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
logger.Logf("%v: Serve got a connection from %v\n", hostname, r.RemoteAddr)
fmt.Fprintf(w, "%v", hostname)
c <- r.RemoteAddr
})
err = http.Serve(sl, serveMux)
if err != nil && err.Error() == "Listener stopped" {
err = nil
}
return err
}
func HTTPGet(addr string) (string, error) {
logger.Logf("Connecting to %v", addr)
res, err := http.Get(fmt.Sprintf("%v", addr))
if err != nil {
return "", err
}
text, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
return "", err
}
return string(text), nil
}