Golang addrmgr.New函数代码示例

func TestStartStop(t *testing.T) {
	n := addrmgr.New("teststartstop", lookupFunc)
	n.Start()
	err := n.Stop()
	if err != nil {
		t.Fatalf("Address Manager failed to stop: %v", err)
	}
}

func TestAddLocalAddress(t *testing.T) {
	var tests = []struct {
		address  wire.NetAddress
		priority addrmgr.AddressPriority
		valid    bool
	}{
		{
			wire.NetAddress{IP: net.ParseIP("192.168.0.100")},
			addrmgr.InterfacePrio,
			false,
		},
		{
			wire.NetAddress{IP: net.ParseIP("204.124.1.1")},
			addrmgr.InterfacePrio,
			true,
		},
		{
			wire.NetAddress{IP: net.ParseIP("204.124.1.1")},
			addrmgr.BoundPrio,
			true,
		},
		{
			wire.NetAddress{IP: net.ParseIP("::1")},
			addrmgr.InterfacePrio,
			false,
		},
		{
			wire.NetAddress{IP: net.ParseIP("fe80::1")},
			addrmgr.InterfacePrio,
			false,
		},
		{
			wire.NetAddress{IP: net.ParseIP("2620:100::1")},
			addrmgr.InterfacePrio,
			true,
		},
	}
	amgr := addrmgr.New("testaddlocaladdress", nil)
	for x, test := range tests {
		result := amgr.AddLocalAddress(&test.address, test.priority)
		if result == nil && !test.valid {
			t.Errorf("TestAddLocalAddress test #%d failed: %s should have "+
				"been accepted", x, test.address.IP)
			continue
		}
		if result != nil && test.valid {
			t.Errorf("TestAddLocalAddress test #%d failed: %s should not have "+
				"been accepted", x, test.address.IP)
			continue
		}
	}
}

func TestConnected(t *testing.T) {
	n := addrmgr.New("testconnected", lookupFunc)

	// Add a new address and get it
	err := n.AddAddressByIP(someIP + ":8333")
	if err != nil {
		t.Fatalf("Adding address failed: %v", err)
	}
	ka := n.GetAddress("any")
	na := ka.NetAddress()
	na.Timestamp = time.Now().Add(time.Hour * -1) // make it an hour ago

	n.Connected(na)

	if !ka.NetAddress().Timestamp.After(na.Timestamp) {
		t.Errorf("Address should have a new timestamp, but does not")
	}
}

func TestAddAddressByIP(t *testing.T) {
	fmtErr := fmt.Errorf("")
	addrErr := &net.AddrError{}
	var tests = []struct {
		addrIP string
		err    error
	}{
		{
			someIP + ":8333",
			nil,
		},
		{
			someIP,
			addrErr,
		},
		{
			someIP[:12] + ":8333",
			fmtErr,
		},
		{
			someIP + ":abcd",
			fmtErr,
		},
	}

	amgr := addrmgr.New("testaddressbyip", nil)
	for i, test := range tests {
		err := amgr.AddAddressByIP(test.addrIP)
		if test.err != nil && err == nil {
			t.Errorf("TestGood test %d failed expected an error and got none", i)
			continue
		}
		if test.err == nil && err != nil {
			t.Errorf("TestGood test %d failed expected no error and got one", i)
			continue
		}
		if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
			t.Errorf("TestGood test %d failed got %v, want %v", i,
				reflect.TypeOf(err), reflect.TypeOf(test.err))
			continue
		}
	}
}

func TestAttempt(t *testing.T) {
	n := addrmgr.New("testattempt", lookupFunc)

	// Add a new address and get it
	err := n.AddAddressByIP(someIP + ":8333")
	if err != nil {
		t.Fatalf("Adding address failed: %v", err)
	}
	ka := n.GetAddress("any")

	if !ka.LastAttempt().IsZero() {
		t.Errorf("Address should not have attempts, but does")
	}

	na := ka.NetAddress()
	n.Attempt(na)

	if ka.LastAttempt().IsZero() {
		t.Errorf("Address should have an attempt, but does not")
	}
}

func TestGood(t *testing.T) {
	n := addrmgr.New("testgood", lookupFunc)
	addrsToAdd := 64 * 64
	addrs := make([]*wire.NetAddress, addrsToAdd)
	now := time.Now()

	var err error
	for i := 0; i < addrsToAdd; i++ {
		s := fmt.Sprintf("%d.173.147.%d:8333", i/64+60, i%64+60)
		addrs[i], err = n.DeserializeNetAddress(s)
		if err != nil {
			t.Errorf("Failed to turn %s into an address: %v", s, err)
		}
	}

	srcAddr := &wire.NetAddress{
		Timestamp: now,
		Services:  0,
		IP:        net.IPv4(173, 144, 173, 111),
		Port:      8333,
	}

	n.AddAddresses(addrs, srcAddr)
	for _, addr := range addrs {
		n.Good(addr)
	}

	numAddrs := n.NumAddresses()
	if numAddrs >= addrsToAdd {
		t.Errorf("Number of addresses is too many: %d vs %d", numAddrs, addrsToAdd)
	}

	numCache := len(n.AddressCache())
	if numCache >= numAddrs/4 {
		t.Errorf("Number of addresses in cache: got %d, want %d", numCache, numAddrs/4)
	}
}

func TestNeedMoreAddresses(t *testing.T) {
	n := addrmgr.New("testneedmoreaddresses", lookupFunc)
	addrsToAdd := 1500
	b := n.NeedMoreAddresses()
	if b == false {
		t.Errorf("Expected that we need more addresses")
	}
	addrs := make([]*wire.NetAddress, addrsToAdd)
	now := time.Now()

	var err error
	for i := 0; i < addrsToAdd; i++ {
		s := fmt.Sprintf("%d.%d.173.147:8333", i/128+60, i%128+60)
		addrs[i], err = n.DeserializeNetAddress(s)
		if err != nil {
			t.Errorf("Failed to turn %s into an address: %v", s, err)
		}
	}

	srcAddr := &wire.NetAddress{
		Timestamp: now,
		Services:  0,
		IP:        net.IPv4(173, 144, 173, 111),
		Port:      8333,
	}

	n.AddAddresses(addrs, srcAddr)
	numAddrs := n.NumAddresses()
	if numAddrs > addrsToAdd {
		t.Errorf("Number of addresses is too many %d vs %d", numAddrs, addrsToAdd)
	}

	b = n.NeedMoreAddresses()
	if b == true {
		t.Errorf("Expected that we don't need more addresses")
	}
}

func TestGetAddress(t *testing.T) {
	n := addrmgr.New("testgetaddress", lookupFunc)

	// Get an address from an empty set (should error)
	if rv := n.GetAddress("any"); rv != nil {
		t.Errorf("GetAddress failed: got: %v want: %v\n", rv, nil)
	}

	// Add a new address and get it
	err := n.AddAddressByIP(someIP + ":8333")
	if err != nil {
		t.Fatalf("Adding address failed: %v", err)
	}
	ka := n.GetAddress("any")
	if ka == nil {
		t.Fatalf("Did not get an address where there is one in the pool")
	}
	if ka.NetAddress().IP.String() != someIP {
		t.Errorf("Wrong IP: got %v, want %v", ka.NetAddress().IP.String(), someIP)
	}

	// Mark this as a good address and get it
	n.Good(ka.NetAddress())
	ka = n.GetAddress("any")
	if ka == nil {
		t.Fatalf("Did not get an address where there is one in the pool")
	}
	if ka.NetAddress().IP.String() != someIP {
		t.Errorf("Wrong IP: got %v, want %v", ka.NetAddress().IP.String(), someIP)
	}

	numAddrs := n.NumAddresses()
	if numAddrs != 1 {
		t.Errorf("Wrong number of addresses: got %d, want %d", numAddrs, 1)
	}
}

// newServer returns a new btcd server configured to listen on addr for the
// bitcoin network type specified by chainParams.  Use start to begin accepting
// connections from peers.
func newServer(listenAddrs []string, db database.Db, chainParams *chaincfg.Params) (*server, error) {
	nonce, err := wire.RandomUint64()
	if err != nil {
		return nil, err
	}

	amgr := addrmgr.New(cfg.DataDir, btcdLookup)

	var listeners []net.Listener
	var nat NAT
	if !cfg.DisableListen {
		ipv4Addrs, ipv6Addrs, wildcard, err :=
			parseListeners(listenAddrs)
		if err != nil {
			return nil, err
		}
		listeners = make([]net.Listener, 0, len(ipv4Addrs)+len(ipv6Addrs))
		discover := true
		if len(cfg.ExternalIPs) != 0 {
			discover = false
			// if this fails we have real issues.
			port, _ := strconv.ParseUint(
				activeNetParams.DefaultPort, 10, 16)

			for _, sip := range cfg.ExternalIPs {
				eport := uint16(port)
				host, portstr, err := net.SplitHostPort(sip)
				if err != nil {
					// no port, use default.
					host = sip
				} else {
					port, err := strconv.ParseUint(
						portstr, 10, 16)
					if err != nil {
						srvrLog.Warnf("Can not parse "+
							"port from %s for "+
							"externalip: %v", sip,
							err)
						continue
					}
					eport = uint16(port)
				}
				na, err := amgr.HostToNetAddress(host, eport,
					wire.SFNodeNetwork)
				if err != nil {
					srvrLog.Warnf("Not adding %s as "+
						"externalip: %v", sip, err)
					continue
				}

				err = amgr.AddLocalAddress(na, addrmgr.ManualPrio)
				if err != nil {
					amgrLog.Warnf("Skipping specified external IP: %v", err)
				}
			}
		} else if discover && cfg.Upnp {
			nat, err = Discover()
			if err != nil {
				srvrLog.Warnf("Can't discover upnp: %v", err)
			}
			// nil nat here is fine, just means no upnp on network.
		}

		// TODO(oga) nonstandard port...
		if wildcard {
			port, err :=
				strconv.ParseUint(activeNetParams.DefaultPort,
					10, 16)
			if err != nil {
				// I can't think of a cleaner way to do this...
				goto nowc
			}
			addrs, err := net.InterfaceAddrs()
			for _, a := range addrs {
				ip, _, err := net.ParseCIDR(a.String())
				if err != nil {
					continue
				}
				na := wire.NewNetAddressIPPort(ip,
					uint16(port), wire.SFNodeNetwork)
				if discover {
					err = amgr.AddLocalAddress(na, addrmgr.InterfacePrio)
					if err != nil {
						amgrLog.Debugf("Skipping local address: %v", err)
					}
				}
			}
		}
	nowc:

		for _, addr := range ipv4Addrs {
			listener, err := net.Listen("tcp4", addr)
			if err != nil {
				srvrLog.Warnf("Can't listen on %s: %v", addr,
					err)
				continue
			}
//.........这里部分代码省略.........

func TestGetBestLocalAddress(t *testing.T) {
	localAddrs := []wire.NetAddress{
		{IP: net.ParseIP("192.168.0.100")},
		{IP: net.ParseIP("::1")},
		{IP: net.ParseIP("fe80::1")},
		{IP: net.ParseIP("2001:470::1")},
	}

	var tests = []struct {
		remoteAddr wire.NetAddress
		want0      wire.NetAddress
		want1      wire.NetAddress
		want2      wire.NetAddress
		want3      wire.NetAddress
	}{
		{
			// Remote connection from public IPv4
			wire.NetAddress{IP: net.ParseIP("204.124.8.1")},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.ParseIP("204.124.8.100")},
			wire.NetAddress{IP: net.ParseIP("fd87:d87e:eb43:25::1")},
		},
		{
			// Remote connection from private IPv4
			wire.NetAddress{IP: net.ParseIP("172.16.0.254")},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.IPv4zero},
		},
		{
			// Remote connection from public IPv6
			wire.NetAddress{IP: net.ParseIP("2602:100:abcd::102")},
			wire.NetAddress{IP: net.IPv6zero},
			wire.NetAddress{IP: net.ParseIP("2001:470::1")},
			wire.NetAddress{IP: net.ParseIP("2001:470::1")},
			wire.NetAddress{IP: net.ParseIP("2001:470::1")},
		},
		/* XXX
		{
			// Remote connection from Tor
			wire.NetAddress{IP: net.ParseIP("fd87:d87e:eb43::100")},
			wire.NetAddress{IP: net.IPv4zero},
			wire.NetAddress{IP: net.ParseIP("204.124.8.100")},
			wire.NetAddress{IP: net.ParseIP("fd87:d87e:eb43:25::1")},
		},
		*/
	}

	amgr := addrmgr.New("testgetbestlocaladdress", nil)

	// Test against default when there's no address
	for x, test := range tests {
		got := amgr.GetBestLocalAddress(&test.remoteAddr)
		if !test.want0.IP.Equal(got.IP) {
			t.Errorf("TestGetBestLocalAddress test1 #%d failed for remote address %s: want %s got %s",
				x, test.remoteAddr.IP, test.want1.IP, got.IP)
			continue
		}
	}

	for _, localAddr := range localAddrs {
		amgr.AddLocalAddress(&localAddr, addrmgr.InterfacePrio)
	}

	// Test against want1
	for x, test := range tests {
		got := amgr.GetBestLocalAddress(&test.remoteAddr)
		if !test.want1.IP.Equal(got.IP) {
			t.Errorf("TestGetBestLocalAddress test1 #%d failed for remote address %s: want %s got %s",
				x, test.remoteAddr.IP, test.want1.IP, got.IP)
			continue
		}
	}

	// Add a public IP to the list of local addresses.
	localAddr := wire.NetAddress{IP: net.ParseIP("204.124.8.100")}
	amgr.AddLocalAddress(&localAddr, addrmgr.InterfacePrio)

	// Test against want2
	for x, test := range tests {
		got := amgr.GetBestLocalAddress(&test.remoteAddr)
		if !test.want2.IP.Equal(got.IP) {
			t.Errorf("TestGetBestLocalAddress test2 #%d failed for remote address %s: want %s got %s",
				x, test.remoteAddr.IP, test.want2.IP, got.IP)
			continue
		}
	}
	/*
		// Add a tor generated IP address
		localAddr = wire.NetAddress{IP: net.ParseIP("fd87:d87e:eb43:25::1")}
		amgr.AddLocalAddress(&localAddr, addrmgr.ManualPrio)

		// Test against want3
		for x, test := range tests {
			got := amgr.GetBestLocalAddress(&test.remoteAddr)
			if !test.want3.IP.Equal(got.IP) {
				t.Errorf("TestGetBestLocalAddress test3 #%d failed for remote address %s: want %s got %s",
					x, test.remoteAddr.IP, test.want3.IP, got.IP)
//.........这里部分代码省略.........