Exemplo n.º 1
0
func waitReplies(readers []*bufio.Reader, leader int, n int, done chan bool) {
	e := false

	reply := new(genericsmrproto.ProposeReply)
	for i := 0; i < n; i++ {
		/*if *noLeader {
		    leader = rarray[i]
		}*/
		if err := reply.Unmarshal(readers[leader]); err != nil {
			fmt.Println("Error when reading:", err)
			e = true
			//continue
			break
		}
		if *check {
			if rsp[reply.Instance] {
				fmt.Println("Duplicate reply", reply.Instance)
			}
			rsp[reply.Instance] = true
		}
		if reply.OK != 0 {
			successful[leader]++
			succLock.Lock()
			succ++
			succLock.Unlock()
		}
	}
	done <- e
}
Exemplo n.º 2
0
func waitForReplies(reader *bufio.Reader, repliesChan chan int32) {
	var reply genericsmrproto.ProposeReply
	for true {
		if err := reply.Unmarshal(reader); err != nil || reply.OK == 0 {
			return
			//fmt.Println("Error when reading from replica:", err)
			//continue
		}
		repliesChan <- reply.Instance
	}
}
Exemplo n.º 3
0
func simulatedClient(rlReply *masterproto.GetReplicaListReply, leader int, readings chan float64, done chan bool) {
	N := len(rlReply.ReplicaList)
	servers := make([]net.Conn, N)
	readers := make([]*bufio.Reader, N)
	writers := make([]*bufio.Writer, N)

	rarray := make([]int, *reqsNb)
	karray := make([]int64, *reqsNb)
	perReplicaCount := make([]int, N)
	M := N
	if *barOne {
		M = N - 1
	}
	randObj := rand.New(rand.NewSource(42))
	zipf := rand.NewZipf(randObj, *s, *v, uint64(*reqsNb))
	for i := 0; i < len(rarray); i++ {
		r := rand.Intn(M)

		rarray[i] = r
		perReplicaCount[r]++

		if *conflicts >= 0 {
			r = rand.Intn(100)
			if r < *conflicts {
				karray[i] = 42
			} else {
				karray[i] = int64(*startRange + 43 + i)
			}
		} else {
			karray[i] = int64(zipf.Uint64())
		}
	}

	for i := 0; i < N; i++ {
		var err error
		servers[i], err = net.Dial("tcp", rlReply.ReplicaList[i])
		if err != nil {
			log.Printf("Error connecting to replica %d\n", i)
		}
		readers[i] = bufio.NewReader(servers[i])
		writers[i] = bufio.NewWriter(servers[i])
	}

	var id int32 = 0
	args := genericsmrproto.Propose{id, state.Command{state.PUT, 0, 0}}
	var reply genericsmrproto.ProposeReply

	n := *reqsNb

	for i := 0; i < n; i++ {
		if *noLeader {
			leader = rarray[i]
		}
		args.ClientId = id
		args.Command.K = state.Key(karray[i])
		writers[leader].WriteByte(genericsmrproto.PROPOSE)

		before := time.Now()

		args.Marshal(writers[leader])
		writers[leader].Flush()
		if err := reply.Unmarshal(readers[leader]); err != nil || reply.OK == 0 {
			fmt.Println("Error when reading:", err)
			continue
		}

		after := time.Now()

		id++

		readings <- (after.Sub(before)).Seconds() * 1000

		if *sleep > 0 {
			time.Sleep(100 * 1000 * 1000)
		}
	}

	for _, client := range servers {
		if client != nil {
			client.Close()
		}
	}
	done <- true
}