Exemplo n.º 1
0
func communicator(prot common.Prot, conn net.Conn, tasks <-chan *common.Task, metrics chan<- metric, comms *sync.WaitGroup) {
	r := rand.New(rand.NewSource(common.RandSeed()))
	rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))

	for item := range tasks {
		var err error
		start := timer.Now()

		switch item.Cmd {
		case common.Set:
			err = prot.Set(rw, item.Key, item.Value)
		case common.Add:
			err = prot.Add(rw, item.Key, item.Value)
		case common.Replace:
			err = prot.Replace(rw, item.Key, item.Value)
		case common.Append:
			err = prot.Append(rw, item.Key, item.Value)
		case common.Prepend:
			err = prot.Prepend(rw, item.Key, item.Value)
		case common.Get:
			_, err = prot.Get(rw, item.Key)
		case common.Gat:
			_, err = prot.GAT(rw, item.Key)
		case common.Bget:
			bk := batchkeys(r, item.Key)
			_, err = prot.BatchGet(rw, bk)
			bkpool.Put(bk)
		case common.Delete:
			err = prot.Delete(rw, item.Key)
		case common.Touch:
			err = prot.Touch(rw, item.Key)
		}

		if err != nil {
			// don't print get misses, adds not stored, and replaces not stored
			if !isMiss(err) {
				fmt.Printf("Error performing operation %s on key %s: %s\n", item.Cmd, item.Key, err.Error())
			}
			// if the socket was closed, stop. Otherwise keep on hammering.
			if err == io.EOF {
				break
			}
		}

		m := metricPool.Get().(metric)
		m.d = timer.Since(start)
		m.op = item.Cmd
		m.miss = isMiss(err)
		metrics <- m

		taskPool.Put(item)
	}

	conn.Close()
	comms.Done()
}
Exemplo n.º 2
0
func cmdGenerator(tasks chan<- *common.Task, taskGens *sync.WaitGroup, numTasks int, cmd common.Op) {
	r := rand.New(rand.NewSource(common.RandSeed()))

	for i := 0; i < numTasks; i++ {
		task := taskPool.Get().(*common.Task)
		task.Cmd = cmd
		task.Key = common.RandData(r, f.KeyLength, false)
		task.Value = taskValue(r, cmd)
		tasks <- task
	}

	taskGens.Done()
}
Exemplo n.º 3
0
func cmdGenerator(tasks chan<- *common.Task, taskGens *sync.WaitGroup, numTasks int, cmd common.Op) {
	r := rand.New(rand.NewSource(common.RandSeed()))

	for i := 0; i < numTasks; i++ {
		tasks <- &common.Task{
			Cmd:   cmd,
			Key:   common.RandData(r, f.KeyLength, false),
			Value: taskValue(r, cmd),
		}
	}

	taskGens.Done()
}
Exemplo n.º 4
0
func communicator(prot common.Prot, conn net.Conn, tasks <-chan *common.Task, metrics chan<- metric, comms *sync.WaitGroup) {
	r := rand.New(rand.NewSource(common.RandSeed()))
	rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))

	for item := range tasks {
		var err error
		start := time.Now()

		switch item.Cmd {
		case common.Set:
			err = prot.Set(rw, item.Key, item.Value)
		case common.Get:
			err = prot.Get(rw, item.Key)
		case common.Gat:
			err = prot.GAT(rw, item.Key)
		case common.Bget:
			err = prot.BatchGet(rw, batchkeys(r, item.Key))
		case common.Delete:
			err = prot.Delete(rw, item.Key)
		case common.Touch:
			err = prot.Touch(rw, item.Key)
		}

		if err != nil {
			if err != binprot.ErrKeyNotFound {
				fmt.Printf("Error performing operation %s on key %s: %s\n", item.Cmd, item.Key, err.Error())
			}
			// if the socket was closed, stop. Otherwise keep on hammering.
			if err == io.EOF {
				break
			}
		}

		metrics <- metric{
			d:  time.Since(start),
			op: item.Cmd,
		}
	}

	conn.Close()
	comms.Done()
}
Exemplo n.º 5
0
func main() {
	var prot common.Prot
	if f.Binary {
		var b binprot.BinProt
		prot = b
	} else {
		var t textprot.TextProt
		prot = t
	}

	wg := &sync.WaitGroup{}
	wg.Add(f.NumWorkers)

	for i := 0; i < f.NumWorkers; i++ {
		go func(prot common.Prot, wg *sync.WaitGroup) {
			conn, err := common.Connect("localhost", f.Port)
			if err != nil {
				panic("Couldn't connect")
			}

			r := rand.New(rand.NewSource(common.RandSeed()))
			rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))

			// 0 to 100k data
			for i := 0; i < 102400; i++ {
				key := common.RandData(r, f.KeyLength, false)
				value := common.RandData(nil, i, true)

				prot.Set(rw, key, value)
				prot.Get(rw, key)
			}

			fmt.Println("Done.")
			wg.Done()
		}(prot, wg)
	}

	wg.Wait()
}