Exemplo n.º 1
0
Arquivo: proxy.go Projeto: wptad/dvara
// Start the proxy.
func (p *Proxy) Start() error {
	if p.ReplicaSet.MaxConnections == 0 {
		return errZeroMaxConnections
	}
	if p.ReplicaSet.MaxPerClientConnections == 0 {
		return errZeroMaxPerClientConnections
	}

	p.closed = make(chan struct{})
	p.maxPerClientConnections = newMaxPerClientConnections(p.ReplicaSet.MaxPerClientConnections)
	p.serverPool = rpool.Pool{
		New:               p.newServerConn,
		CloseErrorHandler: p.serverCloseErrorHandler,
		Max:               p.ReplicaSet.MaxConnections,
		MinIdle:           p.ReplicaSet.MinIdleConnections,
		IdleTimeout:       p.ReplicaSet.ServerIdleTimeout,
		ClosePoolSize:     p.ReplicaSet.ServerClosePoolSize,
	}

	// plug stats if we can
	if p.ReplicaSet.Stats != nil {
		// Drop the default port suffix to make them pretty in production.
		dbName := strings.TrimSuffix(p.MongoAddr, ":27017")

		// We want 2 sets of keys, one specific to the proxy, and another shared
		// with others.
		p.serverPool.Stats = stats.PrefixClient(
			[]string{
				"mongoproxy.server.pool.",
				fmt.Sprintf("mongoproxy.%s.server.pool.", dbName),
			},
			p.ReplicaSet.Stats,
		)
		p.stats = stats.PrefixClient(
			[]string{
				"mongoproxy.",
				fmt.Sprintf("mongoproxy.%s.", dbName),
			},
			p.ReplicaSet.Stats,
		)
	}

	go p.clientAcceptLoop()

	return nil
}
Exemplo n.º 2
0
func TestPrefixClient(t *testing.T) {
	const (
		prefix1      = "prefix1"
		prefix2      = "prefix2"
		avgKey       = "avg"
		avgVal       = float64(1)
		sumKey       = "sum"
		sumVal       = float64(2)
		histogramKey = "histogram"
		histogramVal = float64(3)
		timeKey      = "time"
	)

	var keys []string
	hc := &stats.HookClient{
		BumpAvgHook: func(key string, val float64) {
			keys = append(keys, key)
			ensure.DeepEqual(t, val, avgVal)
		},
		BumpSumHook: func(key string, val float64) {
			keys = append(keys, key)
			ensure.DeepEqual(t, val, sumVal)
		},
		BumpHistogramHook: func(key string, val float64) {
			keys = append(keys, key)
			ensure.DeepEqual(t, val, histogramVal)
		},
		BumpTimeHook: func(key string) interface {
			End()
		} {
			return multiEnderTest{
				EndHook: func() {
					keys = append(keys, key)
				},
			}
		},
	}

	pc := stats.PrefixClient([]string{prefix1, prefix2}, hc)
	pc.BumpAvg(avgKey, avgVal)
	pc.BumpSum(sumKey, sumVal)
	pc.BumpHistogram(histogramKey, histogramVal)
	pc.BumpTime(timeKey).End()

	ensure.SameElements(t, keys, []string{
		prefix1 + avgKey,
		prefix1 + sumKey,
		prefix1 + histogramKey,
		prefix1 + timeKey,
		prefix2 + avgKey,
		prefix2 + sumKey,
		prefix2 + histogramKey,
		prefix2 + timeKey,
	})
}
Exemplo n.º 3
0
func TestPrefixClient() {
	const (
		prefix1      = "prefix1-"
		prefix2      = "prefix2-"
		avgKey       = "avg-john"
		avgVal       = float64(1)
		sumKey       = "sum-john"
		sumVal       = float64(2)
		histogramKey = "histogram-john"
		histogramVal = float64(3)
		timeKey      = "time-john"
	)

	var keys []string
	hc := &stats.Client{
		BumpAvg: func(key string, val float64) {
			keys = append(keys, key)
			fmt.Printf("BumpAvg:key = %v, val = %v, avgVal = %v\n", key, val, avgVal)
			//ensure.DeepEqual(t, val, avgVal)
		},
		BumpSum: func(key string, val float64) {
			keys = append(keys, key)
			//ensure.DeepEqual(t, val, sumVal)
			fmt.Printf("BumpSum:key = %v, val = %v, sumVal = %v\n", key, val, sumVal)
		},
		BumpHistogram: func(key string, val float64) {
			keys = append(keys, key)
			//ensure.DeepEqual(t, val, histogramVal)
			fmt.Printf("BumpHistogram:key = %v, val = %v, histogramVal = %v\n", key, val, histogramVal)
		},

		BumpTime: func(key string) interface {
			End()
		} {
			return multiEnderTest{
				EndHook: func() {
					keys = append(keys, key)
					fmt.Printf("EndHook:key = %v\n", key)
				},
			}
		},
	}

	pc := stats.PrefixClient([]string{prefix1, prefix2}, hc)
	pc.BumpAvg(avgKey, avgVal)
	pc.BumpSum(sumKey, sumVal)
	pc.BumpHistogram(histogramKey, histogramVal)
	pc.BumpTime(timeKey).End()

	fmt.Printf("%#v\n", keys)
}
Exemplo n.º 4
0
Arquivo: api.go Projeto: csigo/metric
// NewClient creates an instance of facebookgo/stats implementation with
// the given pkg name and preifx.
func NewClient(pkg, prefix string) stats.Client {
	pkgClisLock.Lock()
	defer pkgClisLock.Unlock()

	pc, ok := pkgClis[pkg]
	if !ok {
		pc = newClient(pkg)
		pkgClis[pkg] = pc
	}
	if prefix == "" {
		return pc
	}
	if !strings.HasSuffix(prefix, ".") {
		prefix += "."
	}
	return stats.PrefixClient([]string{prefix}, pc)
}