// IPv6 addresses of localhost.
	localIP6 = mustGetLocalIP6()

	// List of all local loopback addresses.
	localLoopbacks = mustGetLocalLoopbacks()
)

// mustSplitHostPort is a wrapper to net.SplitHostPort() where error is assumed to be a fatal.
func mustSplitHostPort(hostPort string) (host, port string) {
	xh, err := xnet.ParseHost(hostPort)
	if err != nil {
		logger.FatalIf(err, "Unable to split host port %s", hostPort)
	}

		{"server:54321", "server", "54321"},
		{":0", "", "0"},
		{"server:https", "server", "443"},
		{"server:http", "server", "80"},
	}

	for _, testCase := range testCases {
		host, port := mustSplitHostPort(testCase.hostPort)
		if testCase.expectedHost != host {
			t.Fatalf("host: expected = %v, got = %v", testCase.expectedHost, host)
		}

		if testCase.expectedPort != port {

	}

	globalMinioHost, globalMinioPort = mustSplitHostPort(addr)
	if globalMinioPort == "0" {
		p, err := xnet.GetFreePort()
		if err != nil {
			logger.FatalIf(err, "Unable to get free port for S3 API on the host")
		}
		globalMinioPort = p.String()
		globalDynamicAPIPort = true
	}

	if globalBrowserEnabled {
		globalMinioConsoleHost, globalMinioConsolePort = mustSplitHostPort(consoleAddr)
	}

	// Remote URL
	url, err := xnet.ParseHTTPURL(tg.Servers[1].URL)
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}
	url.Path = t.TempDir()

	globalMinioHost, globalMinioPort = mustSplitHostPort(url.Host)
	globalNodeAuthToken, _ = authenticateNode(globalActiveCred.AccessKey, globalActiveCred.SecretKey)

	endpoint, err := NewEndpoint(url.String())
	if err != nil {

	for _, ep := range l {
		for _, endpoint := range ep.Endpoints {
			if endpoint.Type() != URLEndpointType {
				continue
			}

			peer := endpoint.Host
			if endpoint.IsLocal {
				if _, port := mustSplitHostPort(peer); port == globalMinioPort {
					if local == "" {
						local = peer
					}
				}
			}

			allSet.Add(peer)
		}
	}

	return allSet.ToSlice(), local
}

	globalInternodeInterfaceOnce.Do(func() {
		if interfaceName != "" {
			globalInternodeInterface = interfaceName
			return
		}
		ip := "127.0.0.1"
		host, _ := mustSplitHostPort(globalLocalNodeName)
		if host != "" {
			if net.ParseIP(host) != nil {
				ip = host
			} else {
				ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
				defer cancel()

	globalObjLayerMutex.Lock()
	globalObjectAPI = objLayer
	globalObjLayerMutex.Unlock()

	// initialize peer rpc
	host, port := mustSplitHostPort(testServer.Server.Listener.Addr().String())
	globalMinioHost = host
	globalMinioPort = port
	globalMinioAddr = getEndpointsLocalAddr(testServer.Disks)

	initAllSubsystems(ctx)

	globalEtcdClient = nil