Example #1
0
func handleCommand(w http.ResponseWriter, r *http.Request) {

	idAndNumber := r.URL.Path[config.LenCommandPath:]
	var cmd, serialNumber int
	fmt.Sscanf(idAndNumber, "%d/%d", &cmd, &serialNumber)

	if !state.AmILeader() {
		if state.GetLeader() != nil {
			str := fmt.Sprintf("http://%s:%d%s%d/%d",
				state.GetLeader().Ip, state.GetLeader().Port, config.CommandPath, cmd, serialNumber)
			log.Print(str)
			http.Redirect(w, r, str, http.StatusSeeOther)
		} else {
			http.NotFound(w, r)
		}
		return
	}
	resp, err := processCommand(cmd, serialNumber)

	if err != nil {
		http.NotFound(w, r)
	} else {
		fmt.Fprintf(w, "Response: %d\n", resp)
	}
}
Example #2
0
func handleHeartBeat(w http.ResponseWriter, r *http.Request) {
	sender := r.URL.Path[config.LenHeartbeatPath:]
	log.Print("received heartbeat from ", sender)
	if state.AmILeader() && config.UniqueId != sender {
		panic("Got heartbeat from " + sender + ", but I am the leader")
	}
	state.HeartbeatChan <- sender
}