func ImageHandler(w traffic.ResponseWriter, r *traffic.Request) {
// output the image with the correct content-type
w.Header().Set("Content-Type", "image/jpeg")
// at this point we can safely assume that the image file already exists
if image_data, err := ioutil.ReadFile(w.GetVar("filename").(string)); err != nil {
panic(err)
} else {
w.Write(image_data)
}
}
// traffic
func trafficHandler(w traffic.ResponseWriter, r *traffic.Request) {
if sleepTime > 0 {
time.Sleep(sleepTimeDuration)
}
w.Write(message)
}
func sendJpeg(w traffic.ResponseWriter, data []byte) {
w.Header().Set("Content-Type", "image/jpeg")
w.Header().Set("Content-Length", strconv.Itoa(len(data)))
w.Write(data)
}
