LBRYCommunity/lbcd
1
0
Fork 0
Code Issues 17 Pull requests 4 Packages Projects Releases 28 Wiki Activity

Move address manager to its own package.

Browse source 
This commit does just enough to move the address manager into its own
package.  Since it was not originally written as a package, it will
require a bit of refactoring and cleanup to turn it into a robust
package with a friendly API.
This commit is contained in:
Dave Collins 2014-07-06 01:04:24 -05:00
parent ebc5db2710
commit 62f21d3600
5 changed files with 227 additions and 203 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

333
addrmanager.go → addrmgr/addrmanager.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package main
package addrmgr
import (
"container/list"
@ -94,84 +94,27 @@ const (
serialisationVersion = 1
)
// updateAddress is a helper function to either update an address already known
// to the address manager, or to add the address if not already known.
func (a *AddrManager) updateAddress(netAddr, srcAddr *btcwire.NetAddress) {
// Filter out non-routable addresses. Note that non-routable
// also includes invalid and local addresses.
if !Routable(netAddr) {
return
}
// knownAddress tracks information about a known network address that is used
// to determine how viable an address is.
type knownAddress struct {
na *btcwire.NetAddress
srcAddr *btcwire.NetAddress
attempts int
lastattempt time.Time
lastsuccess time.Time
tried bool
refs int // reference count of new buckets
}
// Protect concurrent access.
a.mtx.Lock()
defer a.mtx.Unlock()
// NetAddress returns the underlying btcwire.NetAddress associated with the
// known address.
func (ka *knownAddress) NetAddress() *btcwire.NetAddress {
return ka.na
}
addr := NetAddressKey(netAddr)
ka := a.find(netAddr)
if ka != nil {
// TODO(oga) only update adresses periodically.
// Update the last seen time and services.
// note that to prevent causing excess garbage on getaddr
// messages the netaddresses in addrmaanger are *immutable*,
// if we need to change them then we replace the pointer with a
// new copy so that we don't have to copy every na for getaddr.
if netAddr.Timestamp.After(ka.na.Timestamp) ||
(ka.na.Services&netAddr.Services) !=
netAddr.Services {
naCopy := *ka.na
naCopy.Timestamp = netAddr.Timestamp
naCopy.AddService(netAddr.Services)
ka.na = &naCopy
}
// If already in tried, we have nothing to do here.
if ka.tried {
return
}
// Already at our max?
if ka.refs == newBucketsPerAddress {
return
}
// The more entries we have, the less likely we are to add more.
// likelyhood is 2N.
factor := int32(2 * ka.refs)
if a.rand.Int31n(factor) != 0 {
return
}
} else {
// Make a copy of the net address to avoid races since it is
// updated elsewhere in the addrmanager code and would otherwise
// change the actual netaddress on the peer.
netAddrCopy := *netAddr
ka = &knownAddress{na: &netAddrCopy, srcAddr: srcAddr}
a.addrIndex[addr] = ka
a.nNew++
// XXX time penalty?
}
bucket := a.getNewBucket(netAddr, srcAddr)
// Already exists?
if _, ok := a.addrNew[bucket][addr]; ok {
return
}
// Enforce max addresses.
if len(a.addrNew[bucket]) > newBucketSize {
amgrLog.Tracef("new bucket is full, expiring old ")
a.expireNew(bucket)
}
// Add to new bucket.
ka.refs++
a.addrNew[bucket][addr] = ka
amgrLog.Tracef("Added new address %s for a total of %d addresses",
addr, a.nTried+a.nNew)
// LastAttempt returns the last time the known address was attempted.
func (ka *knownAddress) LastAttempt() time.Time {
return ka.lastattempt
}
// bad returns true if the address in question has not been tried in the last
@ -257,6 +200,107 @@ func chance(ka *knownAddress) float64 {
return c
}
// AddrManager provides a concurrency safe address manager for caching potential
// peers on the bitcoin network.
type AddrManager struct {
mtx sync.Mutex
dataDir string
lookupFunc func(string) ([]net.IP, error)
rand *rand.Rand
key [32]byte
addrIndex map[string]*knownAddress // address key to ka for all addrs.
addrNew [newBucketCount]map[string]*knownAddress
addrTried [triedBucketCount]*list.List
started int32
shutdown int32
wg sync.WaitGroup
quit chan struct{}
nTried int
nNew int
lamtx sync.Mutex
localAddresses map[string]*localAddress
}
// updateAddress is a helper function to either update an address already known
// to the address manager, or to add the address if not already known.
func (a *AddrManager) updateAddress(netAddr, srcAddr *btcwire.NetAddress) {
// Filter out non-routable addresses. Note that non-routable
// also includes invalid and local addresses.
if !Routable(netAddr) {
return
}
// Protect concurrent access.
a.mtx.Lock()
defer a.mtx.Unlock()
addr := NetAddressKey(netAddr)
ka := a.find(netAddr)
if ka != nil {
// TODO(oga) only update adresses periodically.
// Update the last seen time and services.
// note that to prevent causing excess garbage on getaddr
// messages the netaddresses in addrmaanger are *immutable*,
// if we need to change them then we replace the pointer with a
// new copy so that we don't have to copy every na for getaddr.
if netAddr.Timestamp.After(ka.na.Timestamp) ||
(ka.na.Services&netAddr.Services) !=
netAddr.Services {
naCopy := *ka.na
naCopy.Timestamp = netAddr.Timestamp
naCopy.AddService(netAddr.Services)
ka.na = &naCopy
}
// If already in tried, we have nothing to do here.
if ka.tried {
return
}
// Already at our max?
if ka.refs == newBucketsPerAddress {
return
}
// The more entries we have, the less likely we are to add more.
// likelyhood is 2N.
factor := int32(2 * ka.refs)
if a.rand.Int31n(factor) != 0 {
return
}
} else {
// Make a copy of the net address to avoid races since it is
// updated elsewhere in the addrmanager code and would otherwise
// change the actual netaddress on the peer.
netAddrCopy := *netAddr
ka = &knownAddress{na: &netAddrCopy, srcAddr: srcAddr}
a.addrIndex[addr] = ka
a.nNew++
// XXX time penalty?
}
bucket := a.getNewBucket(netAddr, srcAddr)
// Already exists?
if _, ok := a.addrNew[bucket][addr]; ok {
return
}
// Enforce max addresses.
if len(a.addrNew[bucket]) > newBucketSize {
log.Tracef("new bucket is full, expiring old ")
a.expireNew(bucket)
}
// Add to new bucket.
ka.refs++
a.addrNew[bucket][addr] = ka
log.Tracef("Added new address %s for a total of %d addresses", addr,
a.nTried+a.nNew)
}
// expireNew makes space in the new buckets by expiring the really bad entries.
// If no bad entries are available we look at a few and remove the oldest.
func (a *AddrManager) expireNew(bucket int) {
@ -268,7 +312,7 @@ func (a *AddrManager) expireNew(bucket int) {
var oldest *knownAddress
for k, v := range a.addrNew[bucket] {
if bad(v) {
amgrLog.Tracef("expiring bad address %v", k)
log.Tracef("expiring bad address %v", k)
delete(a.addrNew[bucket], k)
v.refs--
if v.refs == 0 {
@ -286,7 +330,7 @@ func (a *AddrManager) expireNew(bucket int) {
if oldest != nil {
key := NetAddressKey(oldest.na)
amgrLog.Tracef("expiring oldest address %v", key)
log.Tracef("expiring oldest address %v", key)
delete(a.addrNew[bucket], key)
oldest.refs--
@ -314,37 +358,6 @@ func (a *AddrManager) pickTried(bucket int) *list.Element {
return oldestElem
}
// knownAddress tracks information about a known network address that is used
// to determine how viable an address is.
type knownAddress struct {
na *btcwire.NetAddress
srcAddr *btcwire.NetAddress
attempts int
lastattempt time.Time
lastsuccess time.Time
tried bool
refs int // reference count of new buckets
}
// AddrManager provides a concurrency safe address manager for caching potential
// peers on the bitcoin network.
type AddrManager struct {
mtx sync.Mutex
rand *rand.Rand
key [32]byte
addrIndex map[string]*knownAddress // address key to ka for all addrs.
addrNew [newBucketCount]map[string]*knownAddress
addrTried [triedBucketCount]*list.List
started int32
shutdown int32
wg sync.WaitGroup
quit chan struct{}
nTried int
nNew int
lamtx sync.Mutex
localAddresses map[string]*localAddress
}
func (a *AddrManager) getNewBucket(netAddr, srcAddr *btcwire.NetAddress) int {
// bitcoind:
// doublesha256(key + sourcegroup + int64(doublesha256(key + group + sourcegroup))%bucket_per_source_group) % num_new_buckes
@ -404,7 +417,7 @@ out:
dumpAddressTicker.Stop()
a.savePeers()
a.wg.Done()
amgrLog.Trace("Address handler done")
log.Trace("Address handler done")
}
type serialisedKnownAddress struct {
@ -472,17 +485,17 @@ func (a *AddrManager) savePeers() {
// May give some way to specify this later.
filename := "peers.json"
filePath := filepath.Join(cfg.DataDir, filename)
filePath := filepath.Join(a.dataDir, filename)
w, err := os.Create(filePath)
if err != nil {
amgrLog.Error("Error opening file: ", filePath, err)
log.Error("Error opening file: ", filePath, err)
return
}
enc := json.NewEncoder(w)
defer w.Close()
if err := enc.Encode(&sam); err != nil {
amgrLog.Errorf("Failed to encode %s: %v", filePath, err)
log.Errorf("Failed to encode %s: %v", filePath, err)
return
}
}
@ -495,21 +508,20 @@ func (a *AddrManager) loadPeers() {
// May give some way to specify this later.
filename := "peers.json"
filePath := filepath.Join(cfg.DataDir, filename)
filePath := filepath.Join(a.dataDir, filename)
err := a.deserialisePeers(filePath)
if err != nil {
amgrLog.Errorf("Failed to parse %s: %v", filePath, err)
log.Errorf("Failed to parse %s: %v", filePath, err)
// if it is invalid we nuke the old one unconditionally.
err = os.Remove(filePath)
if err != nil {
amgrLog.Warn("Failed to remove corrupt peers "+
"file: ", err)
log.Warn("Failed to remove corrupt peers file: ", err)
}
a.reset()
return
}
amgrLog.Infof("Loaded %d addresses from '%s'", a.nNew+a.nTried, filePath)
log.Infof("Loaded %d addresses from '%s'", a.nNew+a.nTried, filePath)
}
func (a *AddrManager) deserialisePeers(filePath string) error {
@ -539,12 +551,12 @@ func (a *AddrManager) deserialisePeers(filePath string) error {
for _, v := range sam.Addresses {
ka := new(knownAddress)
ka.na, err = deserialiseNetAddress(v.Addr)
ka.na, err = a.DeserialiseNetAddress(v.Addr)
if err != nil {
return fmt.Errorf("failed to deserialise netaddress "+
"%s: %v", v.Addr, err)
}
ka.srcAddr, err = deserialiseNetAddress(v.Src)
ka.srcAddr, err = a.DeserialiseNetAddress(v.Src)
if err != nil {
return fmt.Errorf("failed to deserialise netaddress "+
"%s: %v", v.Src, err)
@ -600,7 +612,7 @@ func (a *AddrManager) deserialisePeers(filePath string) error {
return nil
}
func deserialiseNetAddress(addr string) (*btcwire.NetAddress, error) {
func (a *AddrManager) DeserialiseNetAddress(addr string) (*btcwire.NetAddress, error) {
host, portStr, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
@ -610,7 +622,7 @@ func deserialiseNetAddress(addr string) (*btcwire.NetAddress, error) {
return nil, err
}
return hostToNetAddress(host, uint16(port), btcwire.SFNodeNetwork)
return a.HostToNetAddress(host, uint16(port), btcwire.SFNodeNetwork)
}
// Start begins the core address handler which manages a pool of known
@ -621,7 +633,7 @@ func (a *AddrManager) Start() {
return
}
amgrLog.Trace("Starting address manager")
log.Trace("Starting address manager")
a.wg.Add(1)
@ -635,12 +647,12 @@ func (a *AddrManager) Start() {
// Stop gracefully shuts down the address manager by stopping the main handler.
func (a *AddrManager) Stop() error {
if atomic.AddInt32(&a.shutdown, 1) != 1 {
amgrLog.Warnf("Address manager is already in the process of " +
log.Warnf("Address manager is already in the process of " +
"shutting down")
return nil
}
amgrLog.Infof("Address manager shutting down")
log.Infof("Address manager shutting down")
close(a.quit)
a.wg.Wait()
return nil
@ -649,8 +661,7 @@ func (a *AddrManager) Stop() error {
// AddAddresses adds new addresses to the address manager. It enforces a max
// number of addresses and silently ignores duplicate addresses. It is
// safe for concurrent access.
func (a *AddrManager) AddAddresses(addrs []*btcwire.NetAddress,
srcAddr *btcwire.NetAddress) {
func (a *AddrManager) AddAddresses(addrs []*btcwire.NetAddress, srcAddr *btcwire.NetAddress) {
for _, na := range addrs {
a.updateAddress(na, srcAddr)
}
@ -670,8 +681,8 @@ func (a *AddrManager) AddAddressByIP(addrIP string) {
// Split IP and port
addr, portStr, err := net.SplitHostPort(addrIP)
if err != nil {
amgrLog.Warnf("AddADddressByIP given bullshit adddress"+
"(%s): %v", err)
log.Warnf("AddADddressByIP given bullshit adddress (%s): %v",
err)
return
}
// Put it in btcwire.Netaddress
@ -679,12 +690,12 @@ func (a *AddrManager) AddAddressByIP(addrIP string) {
na.Timestamp = time.Now()
na.IP = net.ParseIP(addr)
if na.IP == nil {
amgrLog.Error("Invalid ip address:", addr)
log.Error("Invalid ip address:", addr)
return
}
port, err := strconv.ParseUint(portStr, 10, 0)
if err != nil {
amgrLog.Error("Invalid port: ", portStr, err)
log.Error("Invalid port: ", portStr, err)
return
}
na.Port = uint16(port)
@ -757,22 +768,10 @@ func (a *AddrManager) reset() {
}
}
// NewAddrManager returns a new bitcoin address manager.
// Use Start to begin processing asynchronous address updates.
func NewAddrManager() *AddrManager {
am := AddrManager{
rand: rand.New(rand.NewSource(time.Now().UnixNano())),
quit: make(chan struct{}),
localAddresses: make(map[string]*localAddress),
}
am.reset()
return &am
}
// hostToNetAddress returns a netaddress given a host address. If the address is
// HostToNetAddress returns a netaddress given a host address. If the address is
// a tor .onion address this will be taken care of. else if the host is not an
// IP address it will be resolved (via tor if required).
func hostToNetAddress(host string, port uint16, services btcwire.ServiceFlag) (*btcwire.NetAddress, error) {
func (a *AddrManager) HostToNetAddress(host string, port uint16, services btcwire.ServiceFlag) (*btcwire.NetAddress, error) {
// tor address is 16 char base32 + ".onion"
var ip net.IP
if len(host) == 22 && host[16:] == ".onion" {
@ -787,7 +786,7 @@ func hostToNetAddress(host string, port uint16, services btcwire.ServiceFlag) (*
prefix := []byte{0xfd, 0x87, 0xd8, 0x7e, 0xeb, 0x43}
ip = net.IP(append(prefix, data...))
} else if ip = net.ParseIP(host); ip == nil {
ips, err := btcdLookup(host)
ips, err := a.lookupFunc(host)
if err != nil {
return nil, err
}
@ -866,7 +865,7 @@ func (a *AddrManager) GetAddress(class string, newBias int) *knownAddress {
ka := e.Value.(*knownAddress)
randval := a.rand.Intn(large)
if float64(randval) < (factor * chance(ka) * float64(large)) {
amgrLog.Tracef("Selected %v from tried bucket",
log.Tracef("Selected %v from tried bucket",
NetAddressKey(ka.na))
return ka
}
@ -894,7 +893,7 @@ func (a *AddrManager) GetAddress(class string, newBias int) *knownAddress {
}
randval := a.rand.Intn(large)
if float64(randval) < (factor * chance(ka) * float64(large)) {
amgrLog.Tracef("Selected %v from new bucket",
log.Tracef("Selected %v from new bucket",
NetAddressKey(ka.na))
return ka
}
@ -1034,7 +1033,7 @@ func (a *AddrManager) Good(addr *btcwire.NetAddress) {
a.nNew++
rmkey := NetAddressKey(rmka.na)
amgrLog.Tracef("Replacing %s with %s in tried", rmkey, addrKey)
log.Tracef("Replacing %s with %s in tried", rmkey, addrKey)
// We made sure there is space here just above.
a.addrNew[newBucket][rmkey] = rmka
@ -1240,18 +1239,17 @@ type localAddress struct {
score addressPrio
}
// addLocalAddress adds na to the list of known local addresses to advertise
// AddLocalAddress adds na to the list of known local addresses to advertise
// with the given priority.
func (a *AddrManager) addLocalAddress(na *btcwire.NetAddress,
func (a *AddrManager) AddLocalAddress(na *btcwire.NetAddress,
priority addressPrio) {
// sanity check.
if !Routable(na) {
amgrLog.Debugf("rejecting address %s:%d due to routability",
log.Debugf("rejecting address %s:%d due to routability",
na.IP, na.Port)
return
}
amgrLog.Debugf("adding address %s:%d",
na.IP, na.Port)
log.Debugf("adding address %s:%d", na.IP, na.Port)
a.lamtx.Lock()
defer a.lamtx.Unlock()
@ -1349,8 +1347,8 @@ func getReachabilityFrom(na, fromna *btcwire.NetAddress) int {
}
// getBestLocalAddress returns the most appropriate local address that we know
// of to be contacted by rna
func (a *AddrManager) getBestLocalAddress(rna *btcwire.NetAddress) *btcwire.NetAddress {
// of to be contacted by rna.
func (a *AddrManager) GetBestLocalAddress(rna *btcwire.NetAddress) *btcwire.NetAddress {
a.lamtx.Lock()
defer a.lamtx.Unlock()
@ -1367,11 +1365,10 @@ func (a *AddrManager) getBestLocalAddress(rna *btcwire.NetAddress) *btcwire.NetA
}
}
if bestna != nil {
amgrLog.Debugf("Suggesting address %s:%d for %s:%d",
bestna.IP, bestna.Port, rna.IP, rna.Port)
log.Debugf("Suggesting address %s:%d for %s:%d", bestna.IP,
bestna.Port, rna.IP, rna.Port)
} else {
amgrLog.Debugf("No worthy address for %s:%d",
rna.IP, rna.Port)
log.Debugf("No worthy address for %s:%d", rna.IP, rna.Port)
// Send something unroutable if nothing suitable.
bestna = &btcwire.NetAddress{
Timestamp: time.Now(),
@ -1383,3 +1380,17 @@ func (a *AddrManager) getBestLocalAddress(rna *btcwire.NetAddress) *btcwire.NetA
return bestna
}
// New returns a new bitcoin address manager.
// Use Start to begin processing asynchronous address updates.
func New(dataDir string, lookupFunc func(string) ([]net.IP, error)) *AddrManager {
am := AddrManager{
dataDir: dataDir,
lookupFunc: lookupFunc,
rand: rand.New(rand.NewSource(time.Now().UnixNano())),
quit: make(chan struct{}),
localAddresses: make(map[string]*localAddress),
}
am.reset()
return &am
}

38
addrmanager_test.go → addrmgr/addrmanager_test.go
View file

@ -2,13 +2,15 @@
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package main
package addrmgr_test
import (
"errors"
"net"
"testing"
"time"
"github.com/conformal/btcd/addrmgr"
"github.com/conformal/btcwire"
)
@ -163,8 +165,12 @@ func addNaTests() {
addNaTest("fef3::4:4", 8336, "[fef3::4:4]:8336")
}
func lookupFunc(host string) ([]net.IP, error) {
return nil, errors.New("not implemented")
}
func TestGetAddress(t *testing.T) {
n := NewAddrManager()
n := addrmgr.New("testdir", lookupFunc)
if rv := n.GetAddress("any", 10); rv != nil {
t.Errorf("GetAddress failed: got: %v want: %v\n", rv, nil)
}
@ -175,91 +181,91 @@ func TestIPTypes(t *testing.T) {
t.Logf("Running %d tests", len(ipTests))
for _, test := range ipTests {
rv := RFC1918(&test.in)
rv := addrmgr.RFC1918(&test.in)
if rv != test.rfc1918 {
t.Errorf("RFC1918 %s\n got: %v want: %v", test.in.IP, rv, test.rfc1918)
continue
}
}
for _, test := range ipTests {
rv := RFC3849(&test.in)
rv := addrmgr.RFC3849(&test.in)
if rv != test.rfc3849 {
t.Errorf("RFC3849 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3849)
continue
}
}
for _, test := range ipTests {
rv := RFC3927(&test.in)
rv := addrmgr.RFC3927(&test.in)
if rv != test.rfc3927 {
t.Errorf("RFC3927 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3927)
continue
}
}
for _, test := range ipTests {
rv := RFC3964(&test.in)
rv := addrmgr.RFC3964(&test.in)
if rv != test.rfc3964 {
t.Errorf("RFC3964 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3964)
continue
}
}
for _, test := range ipTests {
rv := RFC4193(&test.in)
rv := addrmgr.RFC4193(&test.in)
if rv != test.rfc4193 {
t.Errorf("RFC4193 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4193)
continue
}
}
for _, test := range ipTests {
rv := RFC4380(&test.in)
rv := addrmgr.RFC4380(&test.in)
if rv != test.rfc4380 {
t.Errorf("RFC4380 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4380)
continue
}
}
for _, test := range ipTests {
rv := RFC4843(&test.in)
rv := addrmgr.RFC4843(&test.in)
if rv != test.rfc4843 {
t.Errorf("RFC4843 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4843)
continue
}
}
for _, test := range ipTests {
rv := RFC4862(&test.in)
rv := addrmgr.RFC4862(&test.in)
if rv != test.rfc4862 {
t.Errorf("RFC4862 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4862)
continue
}
}
for _, test := range ipTests {
rv := RFC6052(&test.in)
rv := addrmgr.RFC6052(&test.in)
if rv != test.rfc6052 {
t.Errorf("RFC6052 %s\n got: %v want: %v", test.in.IP, rv, test.rfc6052)
continue
}
}
for _, test := range ipTests {
rv := RFC6145(&test.in)
rv := addrmgr.RFC6145(&test.in)
if rv != test.rfc6145 {
t.Errorf("RFC1918 %s\n got: %v want: %v", test.in.IP, rv, test.rfc6145)
continue
}
}
for _, test := range ipTests {
rv := Local(&test.in)
rv := addrmgr.Local(&test.in)
if rv != test.local {
t.Errorf("Local %s\n got: %v want: %v", test.in.IP, rv, test.local)
continue
}
}
for _, test := range ipTests {
rv := Valid(&test.in)
rv := addrmgr.Valid(&test.in)
if rv != test.valid {
t.Errorf("Valid %s\n got: %v want: %v", test.in.IP, rv, test.valid)
continue
}
}
for _, test := range ipTests {
rv := Routable(&test.in)
rv := addrmgr.Routable(&test.in)
if rv != test.routable {
t.Errorf("Routable %s\n got: %v want: %v", test.in.IP, rv, test.routable)
continue
@ -272,7 +278,7 @@ func TestNetAddressKey(t *testing.T) {
t.Logf("Running %d tests", len(naTests))
for i, test := range naTests {
key := NetAddressKey(&test.in)
key := addrmgr.NetAddressKey(&test.in)
if key != test.want {
t.Errorf("NetAddressKey #%d\n got: %s want: %s", i, key, test.want)
continue

3
log.go
View file

@ -9,6 +9,8 @@ import (
"os"
"time"
"github.com/conformal/btcd/addrmgr"
"github.com/conformal/btcchain"
"github.com/conformal/btcdb"
"github.com/conformal/btclog"
@ -89,6 +91,7 @@ func useLogger(subsystemID string, logger btclog.Logger) {
switch subsystemID {
case "AMGR":
amgrLog = logger
addrmgr.UseLogger(logger)
case "BCDB":
bcdbLog = logger

15
peer.go
View file

@ -15,6 +15,7 @@ import (
"time"
"github.com/conformal/btcchain"
"github.com/conformal/btcd/addrmgr"
"github.com/conformal/btcdb"
"github.com/conformal/btcutil"
"github.com/conformal/btcwire"
@ -253,7 +254,7 @@ func (p *peer) pushVersionMsg() error {
// Version message.
msg := btcwire.NewMsgVersion(
p.server.addrManager.getBestLocalAddress(p.na), theirNa,
p.server.addrManager.GetBestLocalAddress(p.na), theirNa,
p.server.nonce, int32(blockNum))
msg.AddUserAgent(userAgentName, userAgentVersion)
@ -296,8 +297,8 @@ func (p *peer) updateAddresses(msg *btcwire.MsgVersion) {
// download and the local address is routable.
if !cfg.DisableListen /* && isCurrent? */ {
// Get address that best matches.
lna := p.server.addrManager.getBestLocalAddress(p.na)
if Routable(lna) {
lna := p.server.addrManager.GetBestLocalAddress(p.na)
if addrmgr.Routable(lna) {
addresses := []*btcwire.NetAddress{lna}
p.pushAddrMsg(addresses)
}
@ -319,7 +320,7 @@ func (p *peer) updateAddresses(msg *btcwire.MsgVersion) {
// actually connected from. One example of why this can happen
// is with NAT. Only add the address to the address manager if
// the addresses agree.
if NetAddressKey(&msg.AddrMe) == NetAddressKey(p.na) {
if addrmgr.NetAddressKey(&msg.AddrMe) == addrmgr.NetAddressKey(p.na) {
p.server.addrManager.AddAddress(p.na, p.na)
p.server.addrManager.Good(p.na)
}
@ -925,7 +926,7 @@ func (p *peer) pushAddrMsg(addresses []*btcwire.NetAddress) error {
msg := btcwire.NewMsgAddr()
for _, na := range addresses {
// Filter addresses the peer already knows about.
if _, ok := p.knownAddresses[NetAddressKey(na)]; ok {
if _, ok := p.knownAddresses[addrmgr.NetAddressKey(na)]; ok {
continue
}
@ -993,7 +994,7 @@ func (p *peer) handleAddrMsg(msg *btcwire.MsgAddr) {
}
// Add address to known addresses for this peer.
p.knownAddresses[NetAddressKey(na)] = struct{}{}
p.knownAddresses[addrmgr.NetAddressKey(na)] = struct{}{}
}
// Add addresses to server address manager. The address manager handles
@ -1687,7 +1688,7 @@ func newOutboundPeer(s *server, addr string, persistent bool) *peer {
return nil
}
p.na, err = hostToNetAddress(host, uint16(port), 0)
p.na, err = s.addrManager.HostToNetAddress(host, uint16(port), 0)
if err != nil {
p.logError("Can not turn host %s into netaddress: %v",
host, err)

41
server.go
View file

@ -11,6 +11,7 @@ import (
"errors"
"fmt"
"math"
mrand "math/rand"
"net"
"runtime"
"strconv"
@ -18,6 +19,7 @@ import (
"sync/atomic"
"time"
"github.com/conformal/btcd/addrmgr"
"github.com/conformal/btcdb"
"github.com/conformal/btcjson"
"github.com/conformal/btcnet"
@ -71,7 +73,7 @@ type server struct {
bytesMutex sync.Mutex // For the following two fields.
bytesReceived uint64 // Total bytes received from all peers since start.
bytesSent uint64 // Total bytes sent by all peers since start.
addrManager *AddrManager
addrManager *addrmgr.AddrManager
rpcServer *rpcServer
blockManager *blockManager
txMemPool *txMemPool
@ -224,7 +226,7 @@ func (s *server) handleAddPeerMsg(state *peerState, p *peer) bool {
state.peers.PushBack(p)
p.Start()
} else {
state.outboundGroups[GroupKey(p.na)]++
state.outboundGroups[addrmgr.GroupKey(p.na)]++
if p.persistent {
state.persistentPeers.PushBack(p)
} else {
@ -256,7 +258,7 @@ func (s *server) handleDonePeerMsg(state *peerState, p *peer) {
return
}
if !p.inbound {
state.outboundGroups[GroupKey(p.na)]--
state.outboundGroups[addrmgr.GroupKey(p.na)]--
}
list.Remove(e)
srvrLog.Debugf("Removed peer %s", p)
@ -418,7 +420,7 @@ func (s *server) handleQuery(querymsg interface{}, state *peerState) {
if peer.addr == msg.addr {
// Keep group counts ok since we remove from
// the list now.
state.outboundGroups[GroupKey(peer.na)]--
state.outboundGroups[addrmgr.GroupKey(peer.na)]--
// This is ok because we are not continuing
// to iterate so won't corrupt the loop.
state.persistentPeers.Remove(e)
@ -473,6 +475,7 @@ func (s *server) seedFromDNS() {
return
}
randSource := mrand.New(mrand.NewSource(time.Now().UnixNano()))
for _, seeder := range activeNetParams.dnsSeeds {
go func(seeder string) {
seedpeers, err := dnsDiscover(seeder)
@ -498,7 +501,7 @@ func (s *server) seedFromDNS() {
// and 7 days ago.
addresses[i].Timestamp = time.Now().Add(-1 *
time.Second * time.Duration(secondsIn3Days+
s.addrManager.rand.Int31n(secondsIn4Days)))
randSource.Int31n(secondsIn4Days)))
}
// Bitcoind uses a lookup of the dns seeder here. This
@ -619,7 +622,7 @@ out:
if addr == nil {
break
}
key := GroupKey(addr.na)
key := addrmgr.GroupKey(addr.NetAddress())
// Address will not be invalid, local or unroutable
// because addrmanager rejects those on addition.
// Just check that we don't already have an address
@ -641,18 +644,18 @@ out:
// only allow recent nodes (10mins) after we failed 30
// times
if time.Now().After(addr.lastattempt.Add(10*time.Minute)) &&
if time.Now().After(addr.LastAttempt().Add(10*time.Minute)) &&
tries < 30 {
continue
}
// allow nondefault ports after 50 failed tries.
if fmt.Sprintf("%d", addr.na.Port) !=
if fmt.Sprintf("%d", addr.NetAddress().Port) !=
activeNetParams.DefaultPort && tries < 50 {
continue
}
addrStr := NetAddressKey(addr.na)
addrStr := addrmgr.NetAddressKey(addr.NetAddress())
tries = 0
// any failure will be due to banned peers etc. we have
@ -1027,8 +1030,8 @@ out:
}
na := btcwire.NewNetAddressIPPort(externalip, uint16(listenPort),
btcwire.SFNodeNetwork)
s.addrManager.addLocalAddress(na, UpnpPrio)
srvrLog.Warnf("Successfully bound via UPnP to %s", NetAddressKey(na))
s.addrManager.AddLocalAddress(na, addrmgr.UpnpPrio)
srvrLog.Warnf("Successfully bound via UPnP to %s", addrmgr.NetAddressKey(na))
first = false
}
timer.Reset(time.Minute * 15)
@ -1057,7 +1060,7 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
return nil, err
}
amgr := NewAddrManager()
amgr := addrmgr.New(cfg.DataDir, btcdLookup)
var listeners []net.Listener
var nat NAT
@ -1093,7 +1096,7 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
}
eport = uint16(port)
}
na, err := hostToNetAddress(host, eport,
na, err := amgr.HostToNetAddress(host, eport,
btcwire.SFNodeNetwork)
if err != nil {
srvrLog.Warnf("Not adding %s as "+
@ -1101,7 +1104,7 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
continue
}
amgr.addLocalAddress(na, ManualPrio)
amgr.AddLocalAddress(na, addrmgr.ManualPrio)
}
} else if discover && cfg.Upnp {
nat, err = Discover()
@ -1129,7 +1132,7 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
na := btcwire.NewNetAddressIPPort(ip,
uint16(port), btcwire.SFNodeNetwork)
if discover {
amgr.addLocalAddress(na, InterfacePrio)
amgr.AddLocalAddress(na, addrmgr.InterfacePrio)
}
}
}
@ -1145,8 +1148,8 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
listeners = append(listeners, listener)
if discover {
if na, err := deserialiseNetAddress(addr); err == nil {
amgr.addLocalAddress(na, BoundPrio)
if na, err := amgr.DeserialiseNetAddress(addr); err == nil {
amgr.AddLocalAddress(na, addrmgr.BoundPrio)
}
}
}
@ -1160,8 +1163,8 @@ func newServer(listenAddrs []string, db btcdb.Db, netParams *btcnet.Params) (*se
}
listeners = append(listeners, listener)
if discover {
if na, err := deserialiseNetAddress(addr); err == nil {
amgr.addLocalAddress(na, BoundPrio)
if na, err := amgr.DeserialiseNetAddress(addr); err == nil {
amgr.AddLocalAddress(na, addrmgr.BoundPrio)
}
}
}