lbcd/addrmgr/addrmanager_test.go

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// Copyright (c) 2013-2014 The btcsuite developers
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// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package addrmgr_test
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import (
"errors"
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"fmt"
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"net"
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"reflect"
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"testing"
"time"
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"github.com/btcsuite/btcd/addrmgr"
"github.com/btcsuite/btcd/wire"
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)
// naTest is used to describe a test to be performed against the NetAddressKey
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// method.
type naTest struct {
in wire.NetAddress
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want string
}
// naTests houses all of the tests to be performed against the NetAddressKey
// method.
var naTests = make([]naTest, 0)
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// Put some IP in here for convenience. Points to google.
var someIP = "173.194.115.66"
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// addNaTests
func addNaTests() {
// IPv4
// Localhost
addNaTest("127.0.0.1", 8333, "127.0.0.1:8333")
addNaTest("127.0.0.1", 8334, "127.0.0.1:8334")
// Class A
addNaTest("1.0.0.1", 8333, "1.0.0.1:8333")
addNaTest("2.2.2.2", 8334, "2.2.2.2:8334")
addNaTest("27.253.252.251", 8335, "27.253.252.251:8335")
addNaTest("123.3.2.1", 8336, "123.3.2.1:8336")
// Private Class A
addNaTest("10.0.0.1", 8333, "10.0.0.1:8333")
addNaTest("10.1.1.1", 8334, "10.1.1.1:8334")
addNaTest("10.2.2.2", 8335, "10.2.2.2:8335")
addNaTest("10.10.10.10", 8336, "10.10.10.10:8336")
// Class B
addNaTest("128.0.0.1", 8333, "128.0.0.1:8333")
addNaTest("129.1.1.1", 8334, "129.1.1.1:8334")
addNaTest("180.2.2.2", 8335, "180.2.2.2:8335")
addNaTest("191.10.10.10", 8336, "191.10.10.10:8336")
// Private Class B
addNaTest("172.16.0.1", 8333, "172.16.0.1:8333")
addNaTest("172.16.1.1", 8334, "172.16.1.1:8334")
addNaTest("172.16.2.2", 8335, "172.16.2.2:8335")
addNaTest("172.16.172.172", 8336, "172.16.172.172:8336")
// Class C
addNaTest("193.0.0.1", 8333, "193.0.0.1:8333")
addNaTest("200.1.1.1", 8334, "200.1.1.1:8334")
addNaTest("205.2.2.2", 8335, "205.2.2.2:8335")
addNaTest("223.10.10.10", 8336, "223.10.10.10:8336")
// Private Class C
addNaTest("192.168.0.1", 8333, "192.168.0.1:8333")
addNaTest("192.168.1.1", 8334, "192.168.1.1:8334")
addNaTest("192.168.2.2", 8335, "192.168.2.2:8335")
addNaTest("192.168.192.192", 8336, "192.168.192.192:8336")
// IPv6
// Localhost
addNaTest("::1", 8333, "[::1]:8333")
addNaTest("fe80::1", 8334, "[fe80::1]:8334")
// Link-local
addNaTest("fe80::1:1", 8333, "[fe80::1:1]:8333")
addNaTest("fe91::2:2", 8334, "[fe91::2:2]:8334")
addNaTest("fea2::3:3", 8335, "[fea2::3:3]:8335")
addNaTest("feb3::4:4", 8336, "[feb3::4:4]:8336")
// Site-local
addNaTest("fec0::1:1", 8333, "[fec0::1:1]:8333")
addNaTest("fed1::2:2", 8334, "[fed1::2:2]:8334")
addNaTest("fee2::3:3", 8335, "[fee2::3:3]:8335")
addNaTest("fef3::4:4", 8336, "[fef3::4:4]:8336")
}
func addNaTest(ip string, port uint16, want string) {
nip := net.ParseIP(ip)
na := wire.NetAddress{
Timestamp: time.Now(),
Services: wire.SFNodeNetwork,
IP: nip,
Port: port,
}
test := naTest{na, want}
naTests = append(naTests, test)
}
func lookupFunc(host string) ([]net.IP, error) {
return nil, errors.New("not implemented")
}
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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 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 TestAddLocalAddress(t *testing.T) {
var tests = []struct {
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address wire.NetAddress
priority addrmgr.AddressPriority
valid bool
}{
{
wire.NetAddress{IP: net.ParseIP("192.168.0.100")},
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addrmgr.InterfacePrio,
false,
},
{
wire.NetAddress{IP: net.ParseIP("204.124.1.1")},
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addrmgr.InterfacePrio,
true,
},
{
wire.NetAddress{IP: net.ParseIP("204.124.1.1")},
addrmgr.BoundPrio,
true,
},
{
wire.NetAddress{IP: net.ParseIP("::1")},
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addrmgr.InterfacePrio,
false,
},
{
wire.NetAddress{IP: net.ParseIP("fe80::1")},
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addrmgr.InterfacePrio,
false,
},
{
wire.NetAddress{IP: net.ParseIP("2620:100::1")},
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addrmgr.InterfacePrio,
true,
},
}
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amgr := addrmgr.New("testaddlocaladdress", nil)
for x, test := range tests {
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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
}
}
}
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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")
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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 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")
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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 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 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 TestGetAddress(t *testing.T) {
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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)
}
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// 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")
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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")
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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)
}
}
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
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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},
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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},
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wire.NetAddress{IP: net.IPv4zero},
},
{
// Remote connection from public IPv6
wire.NetAddress{IP: net.ParseIP("2602:100:abcd::102")},
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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")},
},
*/
}
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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)
continue
}
}
*/
}
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func TestNetAddressKey(t *testing.T) {
addNaTests()
t.Logf("Running %d tests", len(naTests))
for i, test := range naTests {
key := addrmgr.NetAddressKey(&test.in)
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if key != test.want {
t.Errorf("NetAddressKey #%d\n got: %s want: %s", i, key, test.want)
continue
}
}
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}