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)
}
}
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)
continue
}
}
*/
}
// newServer returns a new dcrd server configured to listen on addr for the
// decred network type specified by chainParams. Use start to begin accepting
// connections from peers.
func newServer(listenAddrs []string,
database database.Db,
tmdb *stake.TicketDB,
chainParams *chaincfg.Params) (*server, error) {
nonce, err := wire.RandomUint64()
if err != nil {
return nil, err
}
amgr := addrmgr.New(cfg.DataDir, dcrdLookup)
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
}
listeners = append(listeners, listener)
if discover {
if na, err := amgr.DeserializeNetAddress(addr); err == nil {
err = amgr.AddLocalAddress(na, addrmgr.BoundPrio)
if err != nil {
amgrLog.Warnf("Skipping bound address: %v", err)
}
}
}
}
for _, addr := range ipv6Addrs {
listener, err := net.Listen("tcp6", addr)
if err != nil {
srvrLog.Warnf("Can't listen on %s: %v", addr,
err)
continue
}
listeners = append(listeners, listener)
if discover {
if na, err := amgr.DeserializeNetAddress(addr); err == nil {
err = amgr.AddLocalAddress(na, addrmgr.BoundPrio)
if err != nil {
amgrLog.Debugf("Skipping bound address: %v", err)
}
}
}
}
if len(listeners) == 0 {
return nil, errors.New("no valid listen address")
}
}
s := server{
nonce: nonce,
listeners: listeners,
chainParams: chainParams,
addrManager: amgr,
newPeers: make(chan *peer, cfg.MaxPeers),
donePeers: make(chan *peer, cfg.MaxPeers),
banPeers: make(chan *peer, cfg.MaxPeers),
wakeup: make(chan struct{}),
query: make(chan interface{}),
relayInv: make(chan relayMsg, cfg.MaxPeers),
broadcast: make(chan broadcastMsg, cfg.MaxPeers),
quit: make(chan struct{}),
modifyRebroadcastInv: make(chan interface{}),
peerHeightsUpdate: make(chan updatePeerHeightsMsg),
nat: nat,
db: database,
tmdb: tmdb,
timeSource: blockchain.NewMedianTime(),
}
bm, err := newBlockManager(&s)
if err != nil {
return nil, err
}
s.blockManager = bm
s.txMemPool = newTxMemPool(&s)
s.cpuMiner = newCPUMiner(&s)
if !cfg.NoAddrIndex {
ai, err := newAddrIndexer(&s)
if err != nil {
return nil, err
}
s.addrIndexer = ai
}
if !cfg.DisableRPC {
s.rpcServer, err = newRPCServer(cfg.RPCListeners, &s)
if err != nil {
return nil, err
}
}
return &s, nil
}