Ejemplo n.º 1
0
func main() {
	if len(os.Args) != 3 {
		println("Usage:", os.Args[0], "AnchorPath Service")
		os.Exit(1)
	}
	file, err := anchorfs.OpenFile(os.Args[1])
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem opening (%s)", err)
		os.Exit(1)
	}
	x, err := circuit.TryDial(file.Owner(), "acid")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem dialing 'acid' service (%s)", err)
		os.Exit(1)
	}

	defer func() {
		if p := recover(); p != nil {
			fmt.Fprintf(os.Stderr, "Worker disappeared during call (%#v)", p)
			os.Exit(1)
		}
	}()

	r := x.Call("OnBehalfCallStringer", os.Args[2], "Stat")
	fmt.Println(r[0].(string))
}
Ejemplo n.º 2
0
func tailViaCircuit(addr circuit.Addr, jailpath string) {

	x, err := circuit.TryDial(addr, "acid")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem dialing 'acid' service (%s)", err)
		os.Exit(1)
	}

	defer func() {
		if p := recover(); p != nil {
			fmt.Fprintf(os.Stderr, "Worker disappeared during call (%#v)", p)
			os.Exit(1)
		}
	}()

	r := x.Call("JailTail", jailpath)
	if r[1] != nil {
		fmt.Fprintf(os.Stderr, "Open problem: %s\n", r[1].(error))
		os.Exit(1)
	}

	io.Copy(os.Stdout, teleio.NewClient(r[0].(circuit.X)))

	/*
		tailr := teleio.NewClient(r[0].(circuit.X))
		for {
			p := make([]byte, 1e3)
			n, err := tailr.Read(p)
			if err != nil {
				println(err.Error(),"+++")
				break
			}
			println("n=", n)
		}*/
}
Ejemplo n.º 3
0
func main() {
	if len(os.Args) != 2 {
		println("Usage:", os.Args[0], "AnchorPath")
		os.Exit(1)
	}
	file, err := anchorfs.OpenFile(os.Args[1])
	if err != nil {
		log.Printf("Problem opening (%s)", err)
		os.Exit(1)
	}
	x, err := circuit.TryDial(file.Owner(), "acid")
	if err != nil {
		log.Printf("Problem dialing acid service (%s)", err)
		os.Exit(1)
	}

	defer func() {
		if p := recover(); p != nil {
			log.Printf("Worker disappeared during call (%#v)", p)
			os.Exit(1)
		}
	}()

	retrn := x.Call("RuntimeProfile", "goroutine", 1)
	if err, ok := retrn[1].(error); ok && err != nil {
		log.Printf("Problem obtaining runtime profile (%s)", err)
		os.Exit(1)
	}
	fmt.Println(string(retrn[0].([]byte)))
}
Ejemplo n.º 4
0
func topFile(anchor string, id circuit.WorkerID, addr circuit.Addr) {
	x, err := circuit.TryDial(addr, "acid")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem dialing acid service (%s)", err)
		os.Exit(1)
	}

	defer func() {
		if p := recover(); p != nil {
			fmt.Fprintf(os.Stderr, "%40s: Worker disappeared during call (%#v)\n", anchor, p)
			os.Exit(1)
		}
	}()

	r := x.Call("Stat")[0].(*acid.Stat)
	fmt.Printf("%40s: user=%s sys=%s #malloc=%d #free=%d\n",
		anchor, FormatBytes(r.MemStats.Alloc), FormatBytes(r.MemStats.Sys),
		r.MemStats.Mallocs, r.MemStats.Frees,
	)
}
Ejemplo n.º 5
0
func main() {
	if len(os.Args) != 3 {
		println("Usage:", os.Args[0], "AnchorPath DurationSeconds")
		os.Exit(1)
	}

	// Parse duration
	dursec, err := strconv.Atoi(os.Args[2])
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem parsing duration (%s)\n", err)
		os.Exit(1)
	}
	dur := time.Duration(int64(dursec) * 1e9)

	// Find anchor file
	file, err := anchorfs.OpenFile(os.Args[1])
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem opening (%s)\n", err)
		os.Exit(1)
	}
	x, err := circuit.TryDial(file.Owner(), "acid")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Problem dialing acid service (%s)\n", err)
		os.Exit(1)
	}

	defer func() {
		if p := recover(); p != nil {
			fmt.Fprintf(os.Stderr, "Worker disappeared during call (%#v)\n", p)
			os.Exit(1)
		}
	}()

	// Connect to worker
	retrn := x.Call("CPUProfile", dur)
	if err, ok := retrn[1].(error); ok && err != nil {
		fmt.Fprintf(os.Stderr, "Problem obtaining CPU profile (%s)\n", err)
		os.Exit(1)
	}
	fmt.Println(string(retrn[0].([]byte)))
}
Ejemplo n.º 6
0
func getReducerTop(addr circuit.Addr, lk *sync.Mutex, top *SortablePosts) {
	// Obtain cross-runtime pointer to reducer service on the worker owning file f
	x, err := circuit.TryDial(addr, "reducer-service")
	if err != nil {
		println("dial", addr.String(), "error", err.Error())
		// Skip reducers that seem to be dead
		return
	}
	// Catch panics due to dead worker and return empty list of top ten posts in this case
	defer func() {
		if p := recover(); p != nil {
			fmt.Fprintf(os.Stderr, "%s.Top panic: %#v\n", x.String(), p)
		}
	}()
	// Fetch top ten posts
	rtop := x.Call("Top")[0].([]*Post)
	lk.Lock()
	defer lk.Unlock()
	println("Reducer", addr.String(), "contributed", len(rtop), "posts")
	(*top) = append(*top, rtop...)
}