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Commit 99cf3edc authored by Juan Batiz-Benet's avatar Juan Batiz-Benet
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separated into subrepo

parent 1e156256
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multiaddr/multiaddr.go deleted 100644 → 0
View file @ 1e156256
package main
import (
"encoding/hex"
"flag"
"fmt"
"os"
ma "github.com/jbenet/go-multiaddr"
manet "github.com/jbenet/go-multiaddr/net"
)
// flags
var formats = []string{"string", "bytes", "hex", "slice"}
var format string
var hideLoopback bool
func init() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s [<multiaddr>]\n\nFlags:\n", os.Args[0])
flag.PrintDefaults()
}
usage := fmt.Sprintf("output format, one of: %v", formats)
flag.StringVar(&format, "format", "string", usage)
flag.StringVar(&format, "f", "string", usage+" (shorthand)")
flag.BoolVar(&hideLoopback, "hide-loopback", false, "do not display loopback addresses")
}
func main() {
flag.Parse()
args := flag.Args()
if len(args) == 0 {
output(localAddresses()...)
} else {
output(address(args[0]))
}
}
func localAddresses() []ma.Multiaddr {
maddrs, err := manet.InterfaceMultiaddrs()
if err != nil {
die(err)
}
if !hideLoopback {
return maddrs
}
var maddrs2 []ma.Multiaddr
for _, a := range maddrs {
if !manet.IsIPLoopback(a) {
maddrs2 = append(maddrs2, a)
}
}
return maddrs2
}
func address(addr string) ma.Multiaddr {
m, err := ma.NewMultiaddr(addr)
if err != nil {
die(err)
}
return m
}
func output(ms ...ma.Multiaddr) {
for _, m := range ms {
fmt.Println(outfmt(m))
}
}
func outfmt(m ma.Multiaddr) string {
switch format {
case "string":
return m.String()
case "slice":
return fmt.Sprintf("%v", m.Bytes())
case "bytes":
return string(m.Bytes())
case "hex":
return "0x" + hex.EncodeToString(m.Bytes())
}
die("error: invalid format", format)
return ""
}
func die(v ...interface{}) {
fmt.Fprint(os.Stderr, v...)
fmt.Fprint(os.Stderr, "\n")
flag.Usage()
os.Exit(-1)
}
net/README.md deleted 100644 → 0
View file @ 1e156256
# multiaddr/net - Multiaddr friendly net
Package multiaddr/net provides Multiaddr specific versions of common
functions in stdlib's net package. This means wrappers of
standard net symbols like net.Dial and net.Listen, as well
as conversion to/from net.Addr.
Docs:
- `multiaddr/net`: https://godoc.org/github.com/jbenet/go-multiaddr/net
- `multiaddr`: https://godoc.org/github.com/jbenet/go-multiaddr
net/convert.go deleted 100644 → 0
View file @ 1e156256
package manet
import (
"fmt"
"net"
"strings"
utp "github.com/h2so5/utp"
ma "github.com/jbenet/go-multiaddr"
)
var errIncorrectNetAddr = fmt.Errorf("incorrect network addr conversion")
// FromNetAddr converts a net.Addr type to a Multiaddr.
func FromNetAddr(a net.Addr) (ma.Multiaddr, error) {
switch a.Network() {
case "tcp", "tcp4", "tcp6":
ac, ok := a.(*net.TCPAddr)
if !ok {
return nil, errIncorrectNetAddr
}
// Get IP Addr
ipm, err := FromIP(ac.IP)
if err != nil {
return nil, errIncorrectNetAddr
}
// Get TCP Addr
tcpm, err := ma.NewMultiaddr(fmt.Sprintf("/tcp/%d", ac.Port))
if err != nil {
return nil, errIncorrectNetAddr
}
// Encapsulate
return ipm.Encapsulate(tcpm), nil
case "udp", "upd4", "udp6":
ac, ok := a.(*net.UDPAddr)
if !ok {
return nil, errIncorrectNetAddr
}
// Get IP Addr
ipm, err := FromIP(ac.IP)
if err != nil {
return nil, errIncorrectNetAddr
}
// Get UDP Addr
udpm, err := ma.NewMultiaddr(fmt.Sprintf("/udp/%d", ac.Port))
if err != nil {
return nil, errIncorrectNetAddr
}
// Encapsulate
return ipm.Encapsulate(udpm), nil
case "utp", "utp4", "utp6":
acc, ok := a.(*utp.UTPAddr)
if !ok {
return nil, errIncorrectNetAddr
}
// Get UDP Addr
ac, ok := acc.Addr.(*net.UDPAddr)
if !ok {
return nil, errIncorrectNetAddr
}
// Get IP Addr
ipm, err := FromIP(ac.IP)
if err != nil {
return nil, errIncorrectNetAddr
}
// Get UDP Addr
utpm, err := ma.NewMultiaddr(fmt.Sprintf("/udp/%d/utp", ac.Port))
if err != nil {
return nil, errIncorrectNetAddr
}
// Encapsulate
return ipm.Encapsulate(utpm), nil
case "ip", "ip4", "ip6":
ac, ok := a.(*net.IPAddr)
if !ok {
return nil, errIncorrectNetAddr
}
return FromIP(ac.IP)
case "ip+net":
ac, ok := a.(*net.IPNet)
if !ok {
return nil, errIncorrectNetAddr
}
return FromIP(ac.IP)
default:
return nil, fmt.Errorf("unknown network %v", a.Network())
}
}
// ToNetAddr converts a Multiaddr to a net.Addr
// Must be ThinWaist. acceptable protocol stacks are:
// /ip{4,6}/{tcp, udp}
func ToNetAddr(maddr ma.Multiaddr) (net.Addr, error) {
network, host, err := DialArgs(maddr)
if err != nil {
return nil, err
}
switch network {
case "tcp":
return net.ResolveTCPAddr(network, host)
case "udp":
return net.ResolveUDPAddr(network, host)
case "utp":
return utp.ResolveUTPAddr(network, host)
case "ip":
return net.ResolveIPAddr(network, host)
}
return nil, fmt.Errorf("network not supported: %s", network)
}
// FromIP converts a net.IP type to a Multiaddr.
func FromIP(ip net.IP) (ma.Multiaddr, error) {
switch {
case ip.To4() != nil:
return ma.NewMultiaddr("/ip4/" + ip.String())
case ip.To16() != nil:
return ma.NewMultiaddr("/ip6/" + ip.String())
default:
return nil, errIncorrectNetAddr
}
}
// DialArgs is a convenience function returning arguments for use in net.Dial
func DialArgs(m ma.Multiaddr) (string, string, error) {
if !IsThinWaist(m) {
return "", "", fmt.Errorf("%s is not a 'thin waist' address", m)
}
str := m.String()
parts := strings.Split(str, "/")[1:]
if len(parts) == 2 { // only IP
return parts[0], parts[1], nil
}
network := parts[2]
if parts[2] == "udp" && len(parts) > 4 && parts[4] == "utp" {
network = parts[4]
}
var host string
switch parts[0] {
case "ip4":
host = strings.Join([]string{parts[1], parts[3]}, ":")
case "ip6":
host = fmt.Sprintf("[%s]:%s", parts[1], parts[3])
}
return network, host, nil
}
net/convert_test.go deleted 100644 → 0
View file @ 1e156256
package manet
import (
"net"
"testing"
utp "github.com/h2so5/utp"
ma "github.com/jbenet/go-multiaddr"
)
type GenFunc func() (ma.Multiaddr, error)
func testConvert(t *testing.T, s string, gen GenFunc) {
m, err := gen()
if err != nil {
t.Fatal("failed to generate.")
}
if s2 := m.String(); err != nil || s2 != s {
t.Fatal("failed to convert: " + s + " != " + s2)
}
}
func testToNetAddr(t *testing.T, maddr, ntwk, addr string) {
m, err := ma.NewMultiaddr(maddr)
if err != nil {
t.Fatal("failed to generate.")
}
naddr, err := ToNetAddr(m)
if addr == "" { // should fail
if err == nil {
t.Fatalf("failed to error: %s", m)
}
return
}
// shouldn't fail
if err != nil {
t.Fatalf("failed to convert to net addr: %s", m)
}
if naddr.String() != addr {
t.Fatalf("naddr.Address() == %s != %s", naddr, addr)
}
if naddr.Network() != ntwk {
t.Fatalf("naddr.Network() == %s != %s", naddr.Network(), ntwk)
}
// should convert properly
switch ntwk {
case "tcp":
_ = naddr.(*net.TCPAddr)
case "udp":
_ = naddr.(*net.UDPAddr)
case "ip":
_ = naddr.(*net.IPAddr)
}
}
func TestFromIP4(t *testing.T) {
testConvert(t, "/ip4/10.20.30.40", func() (ma.Multiaddr, error) {
return FromIP(net.ParseIP("10.20.30.40"))
})
}
func TestFromIP6(t *testing.T) {
testConvert(t, "/ip6/2001:4860:0:2001::68", func() (ma.Multiaddr, error) {
return FromIP(net.ParseIP("2001:4860:0:2001::68"))
})
}
func TestFromTCP(t *testing.T) {
testConvert(t, "/ip4/10.20.30.40/tcp/1234", func() (ma.Multiaddr, error) {
return FromNetAddr(&net.TCPAddr{
IP: net.ParseIP("10.20.30.40"),
Port: 1234,
})
})
}
func TestFromUDP(t *testing.T) {
testConvert(t, "/ip4/10.20.30.40/udp/1234", func() (ma.Multiaddr, error) {
return FromNetAddr(&net.UDPAddr{
IP: net.ParseIP("10.20.30.40"),
Port: 1234,
})
})
}
func TestFromUTP(t *testing.T) {
testConvert(t, "/ip4/10.20.30.40/udp/1234/utp", func() (ma.Multiaddr, error) {
return FromNetAddr(&utp.UTPAddr{
Addr: &net.UDPAddr{
IP: net.ParseIP("10.20.30.40"),
Port: 1234,
},
})
})
}
func TestThinWaist(t *testing.T) {
addrs := map[string]bool{
"/ip4/127.0.0.1/udp/1234": true,
"/ip4/127.0.0.1/tcp/1234": true,
"/ip4/127.0.0.1/udp/1234/utp": true,
"/ip4/127.0.0.1/udp/1234/tcp/1234": true,
"/ip4/127.0.0.1/tcp/12345/ip4/1.2.3.4": true,
"/ip6/::1/tcp/80": true,
"/ip6/::1/udp/80": true,
"/ip6/::1": true,
"/ip6/::1/utp": false,
"/tcp/1234/ip4/1.2.3.4": false,
"/tcp/1234": false,
"/tcp/1234/utp": false,
"/tcp/1234/udp/1234": false,
"/ip4/1.2.3.4/ip4/2.3.4.5": true,
"/ip6/::1/ip4/2.3.4.5": true,
}
for a, res := range addrs {
m, err := ma.NewMultiaddr(a)
if err != nil {
t.Fatalf("failed to construct Multiaddr: %s", a)
}
if IsThinWaist(m) != res {
t.Fatalf("IsThinWaist(%s) != %v", a, res)
}
}
}
func TestDialArgs(t *testing.T) {
test := func(e_maddr, e_nw, e_host string) {
m, err := ma.NewMultiaddr(e_maddr)
if err != nil {
t.Fatal("failed to construct", "/ip4/127.0.0.1/udp/1234", e_maddr)
}
nw, host, err := DialArgs(m)
if err != nil {
t.Fatal("failed to get dial args", e_maddr, m, err)
}
if nw != e_nw {
t.Error("failed to get udp network Dial Arg", e_nw, nw)
}
if host != e_host {
t.Error("failed to get host:port Dial Arg", e_host, host)
}
}
test("/ip4/127.0.0.1/udp/1234", "udp", "127.0.0.1:1234")
test("/ip4/127.0.0.1/tcp/4321", "tcp", "127.0.0.1:4321")
test("/ip4/127.0.0.1/udp/1234/utp", "utp", "127.0.0.1:1234")
}
net/doc.go deleted 100644 → 0
View file @ 1e156256
// Package manet provides Multiaddr specific versions of common
// functions in stdlib's net package. This means wrappers of
// standard net symbols like net.Dial and net.Listen, as well
// as conversion to/from net.Addr.
package manet
net/ip.go deleted 100644 → 0
View file @ 1e156256
package manet
import (
"bytes"
ma "github.com/jbenet/go-multiaddr"
)
// Loopback Addresses
var (
// IP4Loopback is the ip4 loopback multiaddr
IP4Loopback = ma.StringCast("/ip4/127.0.0.1")
// IP6Loopback is the ip6 loopback multiaddr
IP6Loopback = ma.StringCast("/ip6/::1")
// IP6LinkLocalLoopback is the ip6 link-local loopback multiaddr
IP6LinkLocalLoopback = ma.StringCast("/ip6/fe80::1")
)
// Unspecified Addresses (used for )
var (
IP4Unspecified = ma.StringCast("/ip4/0.0.0.0")
IP6Unspecified = ma.StringCast("/ip6/::")
)
// IsThinWaist returns whether a Multiaddr starts with "Thin Waist" Protocols.
// This means: /{IP4, IP6}[/{TCP, UDP}]
func IsThinWaist(m ma.Multiaddr) bool {
p := m.Protocols()
// nothing? not even a waist.
if len(p) == 0 {
return false
}
if p[0].Code != ma.P_IP4 && p[0].Code != ma.P_IP6 {
return false
}
// only IP? still counts.
if len(p) == 1 {
return true
}
switch p[1].Code {
case ma.P_TCP, ma.P_UDP, ma.P_IP4, ma.P_IP6:
return true
default:
return false
}
}
// IsIPLoopback returns whether a Multiaddr is a "Loopback" IP address
// This means either /ip4/127.0.0.1 or /ip6/::1
func IsIPLoopback(m ma.Multiaddr) bool {
b := m.Bytes()
// /ip4/127 prefix (_entire_ /8 is loopback...)
if bytes.HasPrefix(b, []byte{4, 127}) {
return true
}
// /ip6/::1
if IP6Loopback.Equal(m) || IP6LinkLocalLoopback.Equal(m) {
return true
}
return false
}
// IsIPUnspecified returns whether a Multiaddr is am Unspecified IP address
// This means either /ip4/0.0.0.0 or /ip6/::
func IsIPUnspecified(m ma.Multiaddr) bool {
return IP4Unspecified.Equal(m) || IP6Unspecified.Equal(m)
}
net/net.go deleted 100644 → 0
View file @ 1e156256
package manet
import (
"fmt"
"net"
ma "github.com/jbenet/go-multiaddr"
)
// Conn is the equivalent of a net.Conn object. It is the
// result of calling the Dial or Listen functions in this
// package, with associated local and remote Multiaddrs.
type Conn interface {
net.Conn
// LocalMultiaddr returns the local Multiaddr associated
// with this connection
LocalMultiaddr() ma.Multiaddr
// RemoteMultiaddr returns the remote Multiaddr associated
// with this connection
RemoteMultiaddr() ma.Multiaddr
}
// WrapNetConn wraps a net.Conn object with a Multiaddr
// friendly Conn.
func WrapNetConn(nconn net.Conn) (Conn, error) {
laddr, err := FromNetAddr(nconn.LocalAddr())
if err != nil {
return nil, fmt.Errorf("failed to convert nconn.LocalAddr: %s", err)
}
raddr, err := FromNetAddr(nconn.RemoteAddr())
if err != nil {
return nil, fmt.Errorf("failed to convert nconn.RemoteAddr: %s", err)
}
return &maConn{
Conn: nconn,
laddr: laddr,
raddr: raddr,
}, nil
}
// maConn implements the Conn interface. It's a thin wrapper
// around a net.Conn
type maConn struct {
net.Conn
laddr ma.Multiaddr
raddr ma.Multiaddr
}
// LocalMultiaddr returns the local address associated with
// this connection
func (c *maConn) LocalMultiaddr() ma.Multiaddr {
return c.laddr
}
// RemoteMultiaddr returns the remote address associated with
// this connection
func (c *maConn) RemoteMultiaddr() ma.Multiaddr {
return c.raddr
}
// Dialer contains options for connecting to an address. It
// is effectively the same as net.Dialer, but its LocalAddr
// and RemoteAddr options are Multiaddrs, instead of net.Addrs.
type Dialer struct {
// Dialer is just an embed net.Dialer, with all its options.
net.Dialer
// LocalAddr is the local address to use when dialing an
// address. The address must be of a compatible type for the
// network being dialed.
// If nil, a local address is automatically chosen.
LocalAddr ma.Multiaddr
}
// Dial connects to a remote address, using the options of the
// Dialer. Dialer uses an underlying net.Dialer to Dial a
// net.Conn, then wraps that in a Conn object (with local and
// remote Multiaddrs).
func (d *Dialer) Dial(remote ma.Multiaddr) (Conn, error) {
// if a LocalAddr is specified, use it on the embedded dialer.
if d.LocalAddr != nil {
// convert our multiaddr to net.Addr friendly
naddr, err := ToNetAddr(d.LocalAddr)
if err != nil {
return nil, err
}
// set the dialer's LocalAddr as naddr
d.Dialer.LocalAddr = naddr
}
// get the net.Dial friendly arguments from the remote addr
rnet, rnaddr, err := DialArgs(remote)
if err != nil {
return nil, err
}
// ok, Dial!
nconn, err := d.Dialer.Dial(rnet, rnaddr)
if err != nil {
return nil, err
}
// get local address (pre-specified or assigned within net.Conn)
local := d.LocalAddr
if local == nil {
local, err = FromNetAddr(nconn.LocalAddr())
if err != nil {
return nil, err
}
}
return &maConn{
Conn: nconn,
laddr: local,
raddr: remote,
}, nil
}
// Dial connects to a remote address. It uses an underlying net.Conn,
// then wraps it in a Conn object (with local and remote Multiaddrs).
func Dial(remote ma.Multiaddr) (Conn, error) {
return (&Dialer{}).Dial(remote)
}
// A Listener is a generic network listener for stream-oriented protocols.
// it uses an embedded net.Listener, overriding net.Listener.Accept to
// return a Conn and providing Multiaddr.
type Listener interface {
// NetListener returns the embedded net.Listener. Use with caution.
NetListener() net.Listener
// Accept waits for and returns the next connection to the listener.
// Returns a Multiaddr friendly Conn
Accept() (Conn, error)
// Close closes the listener.
// Any blocked Accept operations will be unblocked and return errors.
Close() error
// Multiaddr returns the listener's (local) Multiaddr.
Multiaddr() ma.Multiaddr
// Addr returns the net.Listener's network address.
Addr() net.Addr
}
// maListener implements Listener
type maListener struct {
net.Listener
laddr ma.Multiaddr
}
// NetListener returns the embedded net.Listener. Use with caution.
func (l *maListener) NetListener() net.Listener {
return l.Listener
}
// Accept waits for and returns the next connection to the listener.
// Returns a Multiaddr friendly Conn
func (l *maListener) Accept() (Conn, error) {
nconn, err := l.Listener.Accept()
if err != nil {
return nil, err
}
raddr, err := FromNetAddr(nconn.RemoteAddr())
if err != nil {
return nil, fmt.Errorf("failed to convert connn.RemoteAddr: %s", err)
}
return &maConn{
Conn: nconn,
laddr: l.laddr,
raddr: raddr,
}, nil
}
// Multiaddr returns the listener's (local) Multiaddr.
func (l *maListener) Multiaddr() ma.Multiaddr {
return l.laddr
}
// Addr returns the listener's network address.
func (l *maListener) Addr() net.Addr {
return l.Listener.Addr()
}
// Listen announces on the local network address laddr.
// The Multiaddr must be a "ThinWaist" stream-oriented network:
// ip4/tcp, ip6/tcp, (TODO: unix, unixpacket)
// See Dial for the syntax of laddr.
func Listen(laddr ma.Multiaddr) (Listener, error) {
// get the net.Listen friendly arguments from the remote addr
lnet, lnaddr, err := DialArgs(laddr)
if err != nil {
return nil, err
}
nl, err := net.Listen(lnet, lnaddr)
if err != nil {
return nil, err
}
return &maListener{
Listener: nl,
laddr: laddr,
}, nil
}
// InterfaceMultiaddrs will return the addresses matching net.InterfaceAddrs
func InterfaceMultiaddrs() ([]ma.Multiaddr, error) {
addrs, err := net.InterfaceAddrs()
if err != nil {
return nil, err
}
maddrs := make([]ma.Multiaddr, len(addrs))
for i, a := range addrs {
maddrs[i], err = FromNetAddr(a)
if err != nil {
return nil, err
}
}
return maddrs, nil
}
net/net_test.go deleted 100644 → 0
View file @ 1e156256
package manet
import (
"bytes"
"net"
"sync"
"testing"
ma "github.com/jbenet/go-multiaddr"
)
func newMultiaddr(t *testing.T, m string) ma.Multiaddr {
maddr, err := ma.NewMultiaddr(m)
if err != nil {
t.Fatalf("failed to construct multiaddr: %s", m)
}
return maddr
}
func TestDial(t *testing.T) {
listener, err := net.Listen("tcp", "127.0.0.1:4321")
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4321")
cA, err := Dial(maddr)
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2 := cA.RemoteMultiaddr()
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestListen(t *testing.T) {
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4322")
listener, err := Listen(maddr)
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
if !cB.LocalMultiaddr().Equal(maddr) {
t.Fatal("local multiaddr not equal:", maddr, cB.LocalMultiaddr())
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
cA, err := net.Dial("tcp", "127.0.0.1:4322")
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2, err := FromNetAddr(cA.RemoteAddr())
if err != nil {
t.Fatal("failed to convert", err)
}
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestListenAndDial(t *testing.T) {
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4323")
listener, err := Listen(maddr)
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
if !cB.LocalMultiaddr().Equal(maddr) {
t.Fatal("local multiaddr not equal:", maddr, cB.LocalMultiaddr())
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
cA, err := Dial(newMultiaddr(t, "/ip4/127.0.0.1/tcp/4323"))
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2 := cA.RemoteMultiaddr()
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestIPLoopback(t *testing.T) {
if IP4Loopback.String() != "/ip4/127.0.0.1" {
t.Error("IP4Loopback incorrect:", IP4Loopback)
}
if IP6Loopback.String() != "/ip6/::1" {
t.Error("IP6Loopback incorrect:", IP6Loopback)
}
if IP6LinkLocalLoopback.String() != "/ip6/fe80::1" {
t.Error("IP6LinkLocalLoopback incorrect:", IP6Loopback)
}
if !IsIPLoopback(IP4Loopback) {
t.Error("IsIPLoopback failed (IP4Loopback)")
}
if !IsIPLoopback(IP6Loopback) {
t.Error("IsIPLoopback failed (IP6Loopback)")
}
if !IsIPLoopback(IP6LinkLocalLoopback) {
t.Error("IsIPLoopback failed (IP6LinkLocalLoopback)")
}
}
func TestIPUnspecified(t *testing.T) {
if IP4Unspecified.String() != "/ip4/0.0.0.0" {
t.Error("IP4Unspecified incorrect:", IP4Unspecified)
}
if IP6Unspecified.String() != "/ip6/::" {
t.Error("IP6Unspecified incorrect:", IP6Unspecified)
}
if !IsIPUnspecified(IP4Unspecified) {
t.Error("IsIPUnspecified failed (IP4Unspecified)")
}
if !IsIPUnspecified(IP6Unspecified) {
t.Error("IsIPUnspecified failed (IP6Unspecified)")
}
}
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