// Parese network's "addr" message
func (c *OneConnection) ParseAddr(pl []byte) {
b := bytes.NewBuffer(pl)
cnt, _ := btc.ReadVLen(b)
for i := 0; i < int(cnt); i++ {
var buf [30]byte
n, e := b.Read(buf[:])
if n != len(buf) || e != nil {
common.CountSafe("AddrError")
c.DoS("AddrError")
//println("ParseAddr:", n, e)
break
}
a := peersdb.NewPeer(buf[:])
if !sys.ValidIp4(a.Ip4[:]) {
c.Misbehave("AddrLocal", 2)
} else if time.Unix(int64(a.Time), 0).Before(time.Now().Add(time.Minute)) {
if time.Now().Before(time.Unix(int64(a.Time), 0).Add(peersdb.ExpirePeerAfter)) {
k := qdb.KeyType(a.UniqID())
v := peersdb.PeerDB.Get(k)
if v != nil {
a.Banned = peersdb.NewPeer(v[:]).Banned
}
peersdb.PeerDB.Put(k, a.Bytes())
} else {
common.CountSafe("AddrStale")
}
} else {
c.Misbehave("AddrFuture", 5)
}
}
}
func parse_addr(pl []byte) {
b := bytes.NewBuffer(pl)
cnt, _ := btc.ReadVLen(b)
for i := 0; i < int(cnt); i++ {
var buf [30]byte
n, e := b.Read(buf[:])
if n != len(buf) || e != nil {
COUNTER("ADER")
break
}
a := peersdb.NewPeer(buf[:])
if !sys.ValidIp4(a.Ip4[:]) {
COUNTER("ADNO")
} else if time.Unix(int64(a.Time), 0).Before(time.Now().Add(time.Minute)) {
if time.Now().Before(time.Unix(int64(a.Time), 0).Add(peersdb.ExpirePeerAfter)) {
k := qdb.KeyType(a.UniqID())
v := peersdb.PeerDB.Get(k)
if v != nil {
a.Banned = peersdb.NewPeer(v[:]).Banned
}
peersdb.PeerDB.Put(k, a.Bytes())
} else {
COUNTER("ADST")
}
} else {
COUNTER("ADFU")
}
}
}
func show_addresses(par string) {
fmt.Println(peersdb.PeerDB.Count(), "peers in the database")
if par == "list" {
cnt := 0
peersdb.PeerDB.Browse(func(k qdb.KeyType, v []byte) uint32 {
cnt++
fmt.Printf("%4d) %s\n", cnt, peersdb.NewPeer(v).String())
return 0
})
} else if par == "ban" {
cnt := 0
peersdb.PeerDB.Browse(func(k qdb.KeyType, v []byte) uint32 {
pr := peersdb.NewPeer(v)
if pr.Banned != 0 {
cnt++
fmt.Printf("%4d) %s\n", cnt, pr.String())
}
return 0
})
if cnt == 0 {
fmt.Println("No banned peers in the DB")
}
} else if par != "" {
limit, er := strconv.ParseUint(par, 10, 32)
if er != nil {
fmt.Println("Specify number of best peers to display")
return
}
prs := peersdb.GetBestPeers(uint(limit), nil)
for i := range prs {
fmt.Printf("%4d) %s", i+1, prs[i].String())
if network.ConnectionActive(prs[i]) {
fmt.Print(" CONNECTED")
}
fmt.Print("\n")
}
} else {
fmt.Println("Use 'peers list' to list them")
fmt.Println("Use 'peers ban' to list the benned ones")
fmt.Println("Use 'peers <number>' to show the most recent ones")
}
}
// Parese network's "addr" message
func (c *OneConnection) ParseAddr(pl []byte) {
b := bytes.NewBuffer(pl)
cnt, _ := btc.ReadVLen(b)
for i := 0; i < int(cnt); i++ {
var buf [30]byte
n, e := b.Read(buf[:])
if n != len(buf) || e != nil {
common.CountSafe("AddrError")
c.DoS("AddrError")
//println("ParseAddr:", n, e)
break
}
a := peersdb.NewPeer(buf[:])
if !sys.ValidIp4(a.Ip4[:]) {
//common.CountSafe("AddrLocal")
if c.Misbehave("AddrLocal", 1) {
break
}
//print(c.PeerAddr.Ip(), " ", c.Node.Agent, " ", c.Node.Version, " addr local ", a.String(), "\n> ")
} else if time.Unix(int64(a.Time), 0).Before(time.Now().Add(time.Minute)) {
if time.Now().Before(time.Unix(int64(a.Time), 0).Add(peersdb.ExpirePeerAfter)) {
k := qdb.KeyType(a.UniqID())
v := peersdb.PeerDB.Get(k)
if v != nil {
a.Banned = peersdb.NewPeer(v[:]).Banned
}
a.Time = uint32(time.Now().Add(-5 * time.Minute).Unix()) // add new peers as not just alive
peersdb.PeerDB.Put(k, a.Bytes())
} else {
common.CountSafe("AddrStale")
}
} else {
if c.Misbehave("AddrFuture", 50) {
break
}
}
}
}