Esempio n. 1
0
func TitanicRequest(chRequest chan<- string) {
	worker, _ := mdapi.NewMdwrk("tcp://localhost:5555", "titanic.request", false)

	reply := []string{}
	for {
		//  Send reply if it's not null
		//  And then get next request from broker
		request, err := worker.Recv(reply)
		if err != nil {
			break //  Interrupted, exit
		}

		//  Ensure message directory exists
		os.MkdirAll(TITANIC_DIR, 0700)

		//  Generate UUID and save message to disk
		uuid := uuid.New()
		file, err := os.Create(RequestFilename(uuid))
		fmt.Fprint(file, strings.Join(request, "\n"))
		file.Close()

		//  Send UUID through to message queue
		chRequest <- uuid

		//  Now send UUID back to client
		//  Done by the mdwrk_recv() at the top of the loop
		reply = []string{"200", uuid}
	}
}
Esempio n. 2
0
func TitanicReply() {
	worker, _ := mdapi.NewMdwrk("tcp://localhost:5555", "titanic.reply", false)

	pending := []string{"300"}
	unknown := []string{"400"}
	reply := []string{}
	for {
		request, err := worker.Recv(reply)
		if err != nil {
			break //  Interrupted, exit
		}

		uuid := request[0]
		req_filename := RequestFilename(uuid)
		rep_filename := ReplyFilename(uuid)
		data, err := ioutil.ReadFile(rep_filename)
		if err == nil {
			reply = strings.Split("200\n"+string(data), "\n")
		} else {
			_, err := os.Stat(req_filename)
			if err == nil {
				reply = pending
			} else {
				reply = unknown
			}
		}
	}
}
Esempio n. 3
0
func main() {
	var verbose bool
	if len(os.Args) > 1 && os.Args[1] == "-v" {
		verbose = true
	}
	session, _ := mdapi.NewMdwrk("tcp://localhost:5555", "echo", verbose)

	var err error
	var request, reply []string
	for {
		request, err = session.Recv(reply)
		if err != nil {
			break //  Worker was interrupted
		}
		reply = request //  Echo is complex... :-)
	}
	log.Println(err)
}
Esempio n. 4
0
func TitanicClose() {
	worker, _ := mdapi.NewMdwrk("tcp://localhost:5555", "titanic.close", false)

	ok := []string{"200"}
	reply := []string{}
	for {
		request, err := worker.Recv(reply)
		if err != nil {
			break //  Interrupted, exit
		}

		uuid := request[0]
		os.Remove(RequestFilename(uuid))
		os.Remove(ReplyFilename(uuid))

		reply = ok
	}

}