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move some deps out as gx packages

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This commit is contained in:
Jeromy
2016-04-11 23:24:32 -07:00
parent bd4f4b5bcf
commit 4f82ae5e62
84 changed files with 119 additions and 4176 deletions
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69
loggables/loggables.go
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@@ -1,69 +0,0 @@
// Package loggables includes a bunch of transaltor functions for commonplace/stdlib
// objects. This is boilerplate code that shouldn't change much, and not sprinkled
// all over the place (i.e. gather it here).
//
// Note: it may make sense to put all stdlib Loggable functions in the eventlog
// package. Putting it here for now in case we don't want to polute it.
package loggables
import (
"net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
// NetConn returns an eventlog.Metadata with the conn addresses
func NetConn(c net.Conn) logging.Loggable {
return logging.Metadata{
"localAddr": c.LocalAddr(),
"remoteAddr": c.RemoteAddr(),
}
}
// Error returns an eventlog.Metadata with an error
func Error(e error) logging.Loggable {
return logging.Metadata{
"error": e.Error(),
}
}
// Dial metadata is metadata for dial events
func Dial(sys string, lid, rid peer.ID, laddr, raddr ma.Multiaddr) DeferredMap {
m := DeferredMap{}
m["subsystem"] = sys
if lid != "" {
m["localPeer"] = func() interface{} { return lid.Pretty() }
}
if laddr != nil {
m["localAddr"] = func() interface{} { return laddr.String() }
}
if rid != "" {
m["remotePeer"] = func() interface{} { return rid.Pretty() }
}
if raddr != nil {
m["remoteAddr"] = func() interface{} { return raddr.String() }
}
return m
}
// DeferredMap is a Loggable which may contained deffered values.
type DeferredMap map[string]interface{}
// Loggable describes objects that can be marshalled into Metadata for logging
func (m DeferredMap) Loggable() map[string]interface{} {
m2 := map[string]interface{}{}
for k, v := range m {
if vf, ok := v.(func() interface{}); ok {
// if it's a DeferredVal, call it.
m2[k] = vf()
} else {
// else use the value as is.
m2[k] = v
}
}
return m2
}

54
p2p/crypto/bench_test.go
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@@ -1,54 +0,0 @@
package crypto
import "testing"
func BenchmarkSign1B(b *testing.B) { RunBenchmarkSign(b, 1) }
func BenchmarkSign10B(b *testing.B) { RunBenchmarkSign(b, 10) }
func BenchmarkSign100B(b *testing.B) { RunBenchmarkSign(b, 100) }
func BenchmarkSign1000B(b *testing.B) { RunBenchmarkSign(b, 1000) }
func BenchmarkSign10000B(b *testing.B) { RunBenchmarkSign(b, 10000) }
func BenchmarkSign100000B(b *testing.B) { RunBenchmarkSign(b, 100000) }
func BenchmarkVerify1B(b *testing.B) { RunBenchmarkVerify(b, 1) }
func BenchmarkVerify10B(b *testing.B) { RunBenchmarkVerify(b, 10) }
func BenchmarkVerify100B(b *testing.B) { RunBenchmarkVerify(b, 100) }
func BenchmarkVerify1000B(b *testing.B) { RunBenchmarkVerify(b, 1000) }
func BenchmarkVerify10000B(b *testing.B) { RunBenchmarkVerify(b, 10000) }
func BenchmarkVerify100000B(b *testing.B) { RunBenchmarkVerify(b, 100000) }
func RunBenchmarkSign(b *testing.B, numBytes int) {
secret, _, err := GenerateKeyPair(RSA, 1024)
if err != nil {
b.Fatal(err)
}
someData := make([]byte, numBytes)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := secret.Sign(someData)
if err != nil {
b.Fatal(err)
}
}
}
func RunBenchmarkVerify(b *testing.B, numBytes int) {
secret, public, err := GenerateKeyPair(RSA, 1024)
if err != nil {
b.Fatal(err)
}
someData := make([]byte, numBytes)
signature, err := secret.Sign(someData)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
valid, err := public.Verify(someData, signature)
if err != nil {
b.Fatal(err)
}
if !valid {
b.Fatal("signature should be valid")
}
}
}

316
p2p/crypto/key.go
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@@ -1,316 +0,0 @@
// package crypto implements various cryptographic utilities used by ipfs.
// This includes a Public and Private key interface and an RSA key implementation
// that satisfies it.
package crypto
import (
"bytes"
"encoding/base64"
"errors"
"fmt"
"io"
"crypto/elliptic"
"crypto/hmac"
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"hash"
pb "github.com/ipfs/go-libp2p/p2p/crypto/pb"
proto "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/proto"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
)
var log = logging.Logger("crypto")
var ErrBadKeyType = errors.New("invalid or unsupported key type")
const (
RSA = iota
)
// Key represents a crypto key that can be compared to another key
type Key interface {
// Bytes returns a serialized, storeable representation of this key
Bytes() ([]byte, error)
// Hash returns the hash of this key
Hash() ([]byte, error)
// Equals checks whether two PubKeys are the same
Equals(Key) bool
}
// PrivKey represents a private key that can be used to generate a public key,
// sign data, and decrypt data that was encrypted with a public key
type PrivKey interface {
Key
// Cryptographically sign the given bytes
Sign([]byte) ([]byte, error)
// Return a public key paired with this private key
GetPublic() PubKey
// Generate a secret string of bytes
GenSecret() []byte
Decrypt(b []byte) ([]byte, error)
}
type PubKey interface {
Key
// Verify that 'sig' is the signed hash of 'data'
Verify(data []byte, sig []byte) (bool, error)
// Encrypt data in a way that can be decrypted by a paired private key
Encrypt(data []byte) ([]byte, error)
}
// Given a public key, generates the shared key.
type GenSharedKey func([]byte) ([]byte, error)
func GenerateKeyPair(typ, bits int) (PrivKey, PubKey, error) {
return GenerateKeyPairWithReader(typ, bits, rand.Reader)
}
// Generates a keypair of the given type and bitsize
func GenerateKeyPairWithReader(typ, bits int, src io.Reader) (PrivKey, PubKey, error) {
switch typ {
case RSA:
priv, err := rsa.GenerateKey(src, bits)
if err != nil {
return nil, nil, err
}
pk := &priv.PublicKey
return &RsaPrivateKey{sk: priv}, &RsaPublicKey{pk}, nil
default:
return nil, nil, ErrBadKeyType
}
}
// Generates an ephemeral public key and returns a function that will compute
// the shared secret key. Used in the identify module.
//
// Focuses only on ECDH now, but can be made more general in the future.
func GenerateEKeyPair(curveName string) ([]byte, GenSharedKey, error) {
var curve elliptic.Curve
switch curveName {
case "P-256":
curve = elliptic.P256()
case "P-384":
curve = elliptic.P384()
case "P-521":
curve = elliptic.P521()
}
priv, x, y, err := elliptic.GenerateKey(curve, rand.Reader)
if err != nil {
return nil, nil, err
}
pubKey := elliptic.Marshal(curve, x, y)
// log.Debug("GenerateEKeyPair %d", len(pubKey))
done := func(theirPub []byte) ([]byte, error) {
// Verify and unpack node's public key.
x, y := elliptic.Unmarshal(curve, theirPub)
if x == nil {
return nil, fmt.Errorf("Malformed public key: %d %v", len(theirPub), theirPub)
}
if !curve.IsOnCurve(x, y) {
return nil, errors.New("Invalid public key.")
}
// Generate shared secret.
secret, _ := curve.ScalarMult(x, y, priv)
return secret.Bytes(), nil
}
return pubKey, done, nil
}
type StretchedKeys struct {
IV []byte
MacKey []byte
CipherKey []byte
}
// Generates a set of keys for each party by stretching the shared key.
// (myIV, theirIV, myCipherKey, theirCipherKey, myMACKey, theirMACKey)
func KeyStretcher(cipherType string, hashType string, secret []byte) (StretchedKeys, StretchedKeys) {
var cipherKeySize int
var ivSize int
switch cipherType {
case "AES-128":
ivSize = 16
cipherKeySize = 16
case "AES-256":
ivSize = 16
cipherKeySize = 32
case "Blowfish":
ivSize = 8
// Note: 24 arbitrarily selected, needs more thought
cipherKeySize = 32
}
hmacKeySize := 20
seed := []byte("key expansion")
result := make([]byte, 2*(ivSize+cipherKeySize+hmacKeySize))
var h func() hash.Hash
switch hashType {
case "SHA1":
h = sha1.New
case "SHA256":
h = sha256.New
case "SHA512":
h = sha512.New
default:
panic("Unrecognized hash function, programmer error?")
}
m := hmac.New(h, secret)
m.Write(seed)
a := m.Sum(nil)
j := 0
for j < len(result) {
m.Reset()
m.Write(a)
m.Write(seed)
b := m.Sum(nil)
todo := len(b)
if j+todo > len(result) {
todo = len(result) - j
}
copy(result[j:j+todo], b)
j += todo
m.Reset()
m.Write(a)
a = m.Sum(nil)
}
half := len(result) / 2
r1 := result[:half]
r2 := result[half:]
var k1 StretchedKeys
var k2 StretchedKeys
k1.IV = r1[0:ivSize]
k1.CipherKey = r1[ivSize : ivSize+cipherKeySize]
k1.MacKey = r1[ivSize+cipherKeySize:]
k2.IV = r2[0:ivSize]
k2.CipherKey = r2[ivSize : ivSize+cipherKeySize]
k2.MacKey = r2[ivSize+cipherKeySize:]
return k1, k2
}
// UnmarshalPublicKey converts a protobuf serialized public key into its
// representative object
func UnmarshalPublicKey(data []byte) (PubKey, error) {
pmes := new(pb.PublicKey)
err := proto.Unmarshal(data, pmes)
if err != nil {
return nil, err
}
switch pmes.GetType() {
case pb.KeyType_RSA:
return UnmarshalRsaPublicKey(pmes.GetData())
default:
return nil, ErrBadKeyType
}
}
// MarshalPublicKey converts a public key object into a protobuf serialized
// public key
func MarshalPublicKey(k PubKey) ([]byte, error) {
b, err := MarshalRsaPublicKey(k.(*RsaPublicKey))
if err != nil {
return nil, err
}
pmes := new(pb.PublicKey)
typ := pb.KeyType_RSA // for now only type.
pmes.Type = &typ
pmes.Data = b
return proto.Marshal(pmes)
}
// UnmarshalPrivateKey converts a protobuf serialized private key into its
// representative object
func UnmarshalPrivateKey(data []byte) (PrivKey, error) {
pmes := new(pb.PrivateKey)
err := proto.Unmarshal(data, pmes)
if err != nil {
return nil, err
}
switch pmes.GetType() {
case pb.KeyType_RSA:
return UnmarshalRsaPrivateKey(pmes.GetData())
default:
return nil, ErrBadKeyType
}
}
// MarshalPrivateKey converts a key object into its protobuf serialized form.
func MarshalPrivateKey(k PrivKey) ([]byte, error) {
b := MarshalRsaPrivateKey(k.(*RsaPrivateKey))
pmes := new(pb.PrivateKey)
typ := pb.KeyType_RSA // for now only type.
pmes.Type = &typ
pmes.Data = b
return proto.Marshal(pmes)
}
// ConfigDecodeKey decodes from b64 (for config file), and unmarshals.
func ConfigDecodeKey(b string) ([]byte, error) {
return base64.StdEncoding.DecodeString(b)
}
// ConfigEncodeKey encodes to b64 (for config file), and marshals.
func ConfigEncodeKey(b []byte) string {
return base64.StdEncoding.EncodeToString(b)
}
// KeyEqual checks whether two
func KeyEqual(k1, k2 Key) bool {
if k1 == k2 {
return true
}
b1, err1 := k1.Bytes()
b2, err2 := k2.Bytes()
return bytes.Equal(b1, b2) && err1 == err2
}
// KeyHash hashes a key.
func KeyHash(k Key) ([]byte, error) {
kb, err := k.Bytes()
if err != nil {
return nil, err
}
return u.Hash(kb), nil
}

122
p2p/crypto/key_test.go
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@@ -1,122 +0,0 @@
package crypto_test
import (
. "github.com/ipfs/go-libp2p/p2p/crypto"
"bytes"
tu "github.com/ipfs/go-libp2p/testutil"
"testing"
)
func TestRsaKeys(t *testing.T) {
sk, pk, err := tu.RandTestKeyPair(512)
if err != nil {
t.Fatal(err)
}
testKeySignature(t, sk)
testKeyEncoding(t, sk)
testKeyEquals(t, sk)
testKeyEquals(t, pk)
}
func testKeySignature(t *testing.T, sk PrivKey) {
pk := sk.GetPublic()
text := sk.GenSecret()
sig, err := sk.Sign(text)
if err != nil {
t.Fatal(err)
}
valid, err := pk.Verify(text, sig)
if err != nil {
t.Fatal(err)
}
if !valid {
t.Fatal("Invalid signature.")
}
}
func testKeyEncoding(t *testing.T, sk PrivKey) {
skbm, err := MarshalPrivateKey(sk)
if err != nil {
t.Fatal(err)
}
sk2, err := UnmarshalPrivateKey(skbm)
if err != nil {
t.Fatal(err)
}
skbm2, err := MarshalPrivateKey(sk2)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(skbm, skbm2) {
t.Error("skb -> marshal -> unmarshal -> skb failed.\n", skbm, "\n", skbm2)
}
pk := sk.GetPublic()
pkbm, err := MarshalPublicKey(pk)
if err != nil {
t.Fatal(err)
}
_, err = UnmarshalPublicKey(pkbm)
if err != nil {
t.Fatal(err)
}
pkbm2, err := MarshalPublicKey(pk)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(pkbm, pkbm2) {
t.Error("skb -> marshal -> unmarshal -> skb failed.\n", pkbm, "\n", pkbm2)
}
}
func testKeyEquals(t *testing.T, k Key) {
kb, err := k.Bytes()
if err != nil {
t.Fatal(err)
}
if !KeyEqual(k, k) {
t.Fatal("Key not equal to itself.")
}
if !KeyEqual(k, testkey(kb)) {
t.Fatal("Key not equal to key with same bytes.")
}
sk, pk, err := tu.RandTestKeyPair(512)
if err != nil {
t.Fatal(err)
}
if KeyEqual(k, sk) {
t.Fatal("Keys should not equal.")
}
if KeyEqual(k, pk) {
t.Fatal("Keys should not equal.")
}
}
type testkey []byte
func (pk testkey) Bytes() ([]byte, error) {
return pk, nil
}
func (pk testkey) Equals(k Key) bool {
return KeyEqual(pk, k)
}
func (pk testkey) Hash() ([]byte, error) {
return KeyHash(pk)
}

10
p2p/crypto/pb/Makefile
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@@ -1,10 +0,0 @@
PB = $(wildcard *.proto)
GO = $(PB:.proto=.pb.go)
all: $(GO)
%.pb.go: %.proto
protoc --gogo_out=. $<
clean:
rm *.pb.go

104
p2p/crypto/pb/crypto.pb.go
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@@ -1,104 +0,0 @@
// Code generated by protoc-gen-gogo.
// source: crypto.proto
// DO NOT EDIT!
/*
Package crypto_pb is a generated protocol buffer package.
It is generated from these files:
crypto.proto
It has these top-level messages:
PublicKey
PrivateKey
*/
package crypto_pb
import proto "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/proto"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = math.Inf
type KeyType int32
const (
KeyType_RSA KeyType = 0
)
var KeyType_name = map[int32]string{
0: "RSA",
}
var KeyType_value = map[string]int32{
"RSA": 0,
}
func (x KeyType) Enum() *KeyType {
p := new(KeyType)
*p = x
return p
}
func (x KeyType) String() string {
return proto.EnumName(KeyType_name, int32(x))
}
func (x *KeyType) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(KeyType_value, data, "KeyType")
if err != nil {
return err
}
*x = KeyType(value)
return nil
}
type PublicKey struct {
Type *KeyType `protobuf:"varint,1,req,enum=crypto.pb.KeyType" json:"Type,omitempty"`
Data []byte `protobuf:"bytes,2,req" json:"Data,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *PublicKey) Reset() { *m = PublicKey{} }
func (m *PublicKey) String() string { return proto.CompactTextString(m) }
func (*PublicKey) ProtoMessage() {}
func (m *PublicKey) GetType() KeyType {
if m != nil && m.Type != nil {
return *m.Type
}
return KeyType_RSA
}
func (m *PublicKey) GetData() []byte {
if m != nil {
return m.Data
}
return nil
}
type PrivateKey struct {
Type *KeyType `protobuf:"varint,1,req,enum=crypto.pb.KeyType" json:"Type,omitempty"`
Data []byte `protobuf:"bytes,2,req" json:"Data,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *PrivateKey) Reset() { *m = PrivateKey{} }
func (m *PrivateKey) String() string { return proto.CompactTextString(m) }
func (*PrivateKey) ProtoMessage() {}
func (m *PrivateKey) GetType() KeyType {
if m != nil && m.Type != nil {
return *m.Type
}
return KeyType_RSA
}
func (m *PrivateKey) GetData() []byte {
if m != nil {
return m.Data
}
return nil
}
func init() {
proto.RegisterEnum("crypto.pb.KeyType", KeyType_name, KeyType_value)
}

15
p2p/crypto/pb/crypto.proto
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@@ -1,15 +0,0 @@
package crypto.pb;
enum KeyType {
RSA = 0;
}
message PublicKey {
required KeyType Type = 1;
required bytes Data = 2;
}
message PrivateKey {
required KeyType Type = 1;
required bytes Data = 2;
}

125
p2p/crypto/rsa.go
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@@ -1,125 +0,0 @@
package crypto
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"errors"
pb "github.com/ipfs/go-libp2p/p2p/crypto/pb"
proto "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/proto"
)
type RsaPrivateKey struct {
sk *rsa.PrivateKey
pk *rsa.PublicKey
}
type RsaPublicKey struct {
k *rsa.PublicKey
}
func (pk *RsaPublicKey) Verify(data, sig []byte) (bool, error) {
hashed := sha256.Sum256(data)
err := rsa.VerifyPKCS1v15(pk.k, crypto.SHA256, hashed[:], sig)
if err != nil {
return false, err
}
return true, nil
}
func (pk *RsaPublicKey) Bytes() ([]byte, error) {
b, err := x509.MarshalPKIXPublicKey(pk.k)
if err != nil {
return nil, err
}
pbmes := new(pb.PublicKey)
typ := pb.KeyType_RSA
pbmes.Type = &typ
pbmes.Data = b
return proto.Marshal(pbmes)
}
func (pk *RsaPublicKey) Encrypt(b []byte) ([]byte, error) {
return rsa.EncryptPKCS1v15(rand.Reader, pk.k, b)
}
// Equals checks whether this key is equal to another
func (pk *RsaPublicKey) Equals(k Key) bool {
return KeyEqual(pk, k)
}
func (pk *RsaPublicKey) Hash() ([]byte, error) {
return KeyHash(pk)
}
func (sk *RsaPrivateKey) GenSecret() []byte {
buf := make([]byte, 16)
rand.Read(buf)
return buf
}
func (sk *RsaPrivateKey) Sign(message []byte) ([]byte, error) {
hashed := sha256.Sum256(message)
return rsa.SignPKCS1v15(rand.Reader, sk.sk, crypto.SHA256, hashed[:])
}
func (sk *RsaPrivateKey) GetPublic() PubKey {
if sk.pk == nil {
sk.pk = &sk.sk.PublicKey
}
return &RsaPublicKey{sk.pk}
}
func (sk *RsaPrivateKey) Decrypt(b []byte) ([]byte, error) {
return rsa.DecryptPKCS1v15(rand.Reader, sk.sk, b)
}
func (sk *RsaPrivateKey) Bytes() ([]byte, error) {
b := x509.MarshalPKCS1PrivateKey(sk.sk)
pbmes := new(pb.PrivateKey)
typ := pb.KeyType_RSA
pbmes.Type = &typ
pbmes.Data = b
return proto.Marshal(pbmes)
}
// Equals checks whether this key is equal to another
func (sk *RsaPrivateKey) Equals(k Key) bool {
return KeyEqual(sk, k)
}
func (sk *RsaPrivateKey) Hash() ([]byte, error) {
return KeyHash(sk)
}
func UnmarshalRsaPrivateKey(b []byte) (*RsaPrivateKey, error) {
sk, err := x509.ParsePKCS1PrivateKey(b)
if err != nil {
return nil, err
}
return &RsaPrivateKey{sk: sk}, nil
}
func MarshalRsaPrivateKey(k *RsaPrivateKey) []byte {
return x509.MarshalPKCS1PrivateKey(k.sk)
}
func UnmarshalRsaPublicKey(b []byte) (*RsaPublicKey, error) {
pub, err := x509.ParsePKIXPublicKey(b)
if err != nil {
return nil, err
}
pk, ok := pub.(*rsa.PublicKey)
if !ok {
return nil, errors.New("Not actually an rsa public key.")
}
return &RsaPublicKey{pk}, nil
}
func MarshalRsaPublicKey(k *RsaPublicKey) ([]byte, error) {
return x509.MarshalPKIXPublicKey(k.k)
}

115
p2p/crypto/secio/al.go
View File

@@ -1,115 +0,0 @@
package secio
import (
"errors"
"fmt"
"strings"
"crypto/aes"
"crypto/cipher"
"crypto/hmac"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"hash"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
bfish "gx/ipfs/Qme1boxspcQWR8FBzMxeppqug2fYgYc15diNWmqgDVnvn2/go-crypto/blowfish"
)
// List of supported ECDH curves
var SupportedExchanges = "P-256,P-384,P-521"
// List of supported Ciphers
var SupportedCiphers = "AES-256,AES-128,Blowfish"
// List of supported Hashes
var SupportedHashes = "SHA256,SHA512"
type HMAC struct {
hash.Hash
size int
}
// encParams represent encryption parameters
type encParams struct {
// keys
permanentPubKey ci.PubKey
ephemeralPubKey []byte
keys ci.StretchedKeys
// selections
curveT string
cipherT string
hashT string
// cipher + mac
cipher cipher.Stream
mac HMAC
}
func (e *encParams) makeMacAndCipher() error {
m, err := newMac(e.hashT, e.keys.MacKey)
if err != nil {
return err
}
bc, err := newBlockCipher(e.cipherT, e.keys.CipherKey)
if err != nil {
return err
}
e.cipher = cipher.NewCTR(bc, e.keys.IV)
e.mac = m
return nil
}
func newMac(hashType string, key []byte) (HMAC, error) {
switch hashType {
case "SHA1":
return HMAC{hmac.New(sha1.New, key), sha1.Size}, nil
case "SHA512":
return HMAC{hmac.New(sha512.New, key), sha512.Size}, nil
case "SHA256":
return HMAC{hmac.New(sha256.New, key), sha256.Size}, nil
default:
return HMAC{}, fmt.Errorf("Unrecognized hash type: %s", hashType)
}
}
func newBlockCipher(cipherT string, key []byte) (cipher.Block, error) {
switch cipherT {
case "AES-128", "AES-256":
return aes.NewCipher(key)
case "Blowfish":
return bfish.NewCipher(key)
default:
return nil, fmt.Errorf("Unrecognized cipher type: %s", cipherT)
}
}
// Determines which algorithm to use. Note: f(a, b) = f(b, a)
func selectBest(order int, p1, p2 string) (string, error) {
var f, s []string
switch {
case order < 0:
f = strings.Split(p2, ",")
s = strings.Split(p1, ",")
case order > 0:
f = strings.Split(p1, ",")
s = strings.Split(p2, ",")
default: // Exact same preferences.
p := strings.Split(p1, ",")
return p[0], nil
}
for _, fc := range f {
for _, sc := range s {
if fc == sc {
return fc, nil
}
}
}
return "", errors.New("No algorithms in common!")
}

126
p2p/crypto/secio/interface.go
View File

@@ -1,126 +0,0 @@
// package secio handles establishing secure communication between two peers.
package secio
import (
"io"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
peer "github.com/ipfs/go-libp2p/p2p/peer"
msgio "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)
// SessionGenerator constructs secure communication sessions for a peer.
type SessionGenerator struct {
LocalID peer.ID
PrivateKey ci.PrivKey
}
// NewSession takes an insecure io.ReadWriter, sets up a TLS-like
// handshake with the other side, and returns a secure session.
// The handshake isn't run until the connection is read or written to.
// See the source for the protocol details and security implementation.
// The provided Context is only needed for the duration of this function.
func (sg *SessionGenerator) NewSession(ctx context.Context, insecure io.ReadWriteCloser) (Session, error) {
return newSecureSession(ctx, sg.LocalID, sg.PrivateKey, insecure)
}
type Session interface {
// ReadWriter returns the encrypted communication channel
ReadWriter() msgio.ReadWriteCloser
// LocalPeer retrieves the local peer.
LocalPeer() peer.ID
// LocalPrivateKey retrieves the local private key
LocalPrivateKey() ci.PrivKey
// RemotePeer retrieves the remote peer.
RemotePeer() peer.ID
// RemotePublicKey retrieves the remote's public key
// which was received during the handshake.
RemotePublicKey() ci.PubKey
// Close closes the secure session
Close() error
}
// SecureReadWriter returns the encrypted communication channel
func (s *secureSession) ReadWriter() msgio.ReadWriteCloser {
if err := s.Handshake(); err != nil {
return &closedRW{err}
}
return s.secure
}
// LocalPeer retrieves the local peer.
func (s *secureSession) LocalPeer() peer.ID {
return s.localPeer
}
// LocalPrivateKey retrieves the local peer's PrivateKey
func (s *secureSession) LocalPrivateKey() ci.PrivKey {
return s.localKey
}
// RemotePeer retrieves the remote peer.
func (s *secureSession) RemotePeer() peer.ID {
if err := s.Handshake(); err != nil {
return ""
}
return s.remotePeer
}
// RemotePeer retrieves the remote peer.
func (s *secureSession) RemotePublicKey() ci.PubKey {
if err := s.Handshake(); err != nil {
return nil
}
return s.remote.permanentPubKey
}
// Close closes the secure session
func (s *secureSession) Close() error {
s.cancel()
s.handshakeMu.Lock()
defer s.handshakeMu.Unlock()
if s.secure == nil {
return s.insecure.Close() // hadn't secured yet.
}
return s.secure.Close()
}
// closedRW implements a stub msgio interface that's already
// closed and errored.
type closedRW struct {
err error
}
func (c *closedRW) Read(buf []byte) (int, error) {
return 0, c.err
}
func (c *closedRW) Write(buf []byte) (int, error) {
return 0, c.err
}
func (c *closedRW) NextMsgLen() (int, error) {
return 0, c.err
}
func (c *closedRW) ReadMsg() ([]byte, error) {
return nil, c.err
}
func (c *closedRW) WriteMsg(buf []byte) error {
return c.err
}
func (c *closedRW) Close() error {
return c.err
}
func (c *closedRW) ReleaseMsg(m []byte) {
}

1
p2p/crypto/secio/io_test.go
View File

@@ -1 +0,0 @@
package secio

10
p2p/crypto/secio/pb/Makefile
View File

@@ -1,10 +0,0 @@
PB = $(wildcard *.proto)
GO = $(PB:.proto=.pb.go)
all: $(GO)
%.pb.go: %.proto
protoc --gogo_out=. --proto_path=../../../../../../:/usr/local/opt/protobuf/include:. $<
clean:
rm *.pb.go

97
p2p/crypto/secio/pb/spipe.pb.go
View File

@@ -1,97 +0,0 @@
// Code generated by protoc-gen-gogo.
// source: spipe.proto
// DO NOT EDIT!
/*
Package spipe_pb is a generated protocol buffer package.
It is generated from these files:
spipe.proto
It has these top-level messages:
Propose
Exchange
*/
package spipe_pb
import proto "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/proto"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = math.Inf
type Propose struct {
Rand []byte `protobuf:"bytes,1,opt,name=rand" json:"rand,omitempty"`
Pubkey []byte `protobuf:"bytes,2,opt,name=pubkey" json:"pubkey,omitempty"`
Exchanges *string `protobuf:"bytes,3,opt,name=exchanges" json:"exchanges,omitempty"`
Ciphers *string `protobuf:"bytes,4,opt,name=ciphers" json:"ciphers,omitempty"`
Hashes *string `protobuf:"bytes,5,opt,name=hashes" json:"hashes,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Propose) Reset() { *m = Propose{} }
func (m *Propose) String() string { return proto.CompactTextString(m) }
func (*Propose) ProtoMessage() {}
func (m *Propose) GetRand() []byte {
if m != nil {
return m.Rand
}
return nil
}
func (m *Propose) GetPubkey() []byte {
if m != nil {
return m.Pubkey
}
return nil
}
func (m *Propose) GetExchanges() string {
if m != nil && m.Exchanges != nil {
return *m.Exchanges
}
return ""
}
func (m *Propose) GetCiphers() string {
if m != nil && m.Ciphers != nil {
return *m.Ciphers
}
return ""
}
func (m *Propose) GetHashes() string {
if m != nil && m.Hashes != nil {
return *m.Hashes
}
return ""
}
type Exchange struct {
Epubkey []byte `protobuf:"bytes,1,opt,name=epubkey" json:"epubkey,omitempty"`
Signature []byte `protobuf:"bytes,2,opt,name=signature" json:"signature,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Exchange) Reset() { *m = Exchange{} }
func (m *Exchange) String() string { return proto.CompactTextString(m) }
func (*Exchange) ProtoMessage() {}
func (m *Exchange) GetEpubkey() []byte {
if m != nil {
return m.Epubkey
}
return nil
}
func (m *Exchange) GetSignature() []byte {
if m != nil {
return m.Signature
}
return nil
}
func init() {
}

14
p2p/crypto/secio/pb/spipe.proto
View File

@@ -1,14 +0,0 @@
package spipe.pb;
message Propose {
optional bytes rand = 1;
optional bytes pubkey = 2;
optional string exchanges = 3;
optional string ciphers = 4;
optional string hashes = 5;
}
message Exchange {
optional bytes epubkey = 1;
optional bytes signature = 2;
}

341
p2p/crypto/secio/protocol.go
View File

@@ -1,341 +0,0 @@
package secio
import (
"bytes"
"crypto/rand"
"errors"
"fmt"
"io"
"sync"
"time"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
pb "github.com/ipfs/go-libp2p/p2p/crypto/secio/pb"
peer "github.com/ipfs/go-libp2p/p2p/peer"
msgio "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
)
var log = logging.Logger("secio")
// ErrUnsupportedKeyType is returned when a private key cast/type switch fails.
var ErrUnsupportedKeyType = errors.New("unsupported key type")
// ErrClosed signals the closing of a connection.
var ErrClosed = errors.New("connection closed")
// ErrEcho is returned when we're attempting to handshake with the same keys and nonces.
var ErrEcho = errors.New("same keys and nonces. one side talking to self.")
// HandshakeTimeout governs how long the handshake will be allowed to take place for.
// Making this number large means there could be many bogus connections waiting to
// timeout in flight. Typical handshakes take ~3RTTs, so it should be completed within
// seconds across a typical planet in the solar system.
var HandshakeTimeout = time.Second * 30
// nonceSize is the size of our nonces (in bytes)
const nonceSize = 16
// secureSession encapsulates all the parameters needed for encrypting
// and decrypting traffic from an insecure channel.
type secureSession struct {
ctx context.Context
cancel context.CancelFunc
secure msgio.ReadWriteCloser
insecure io.ReadWriteCloser
insecureM msgio.ReadWriter
localKey ci.PrivKey
localPeer peer.ID
remotePeer peer.ID
local encParams
remote encParams
sharedSecret []byte
handshakeMu sync.Mutex // guards handshakeDone + handshakeErr
handshakeDone bool
handshakeErr error
}
func (s *secureSession) Loggable() map[string]interface{} {
m := make(map[string]interface{})
m["localPeer"] = s.localPeer.Pretty()
m["remotePeer"] = s.remotePeer.Pretty()
m["established"] = (s.secure != nil)
return m
}
func newSecureSession(ctx context.Context, local peer.ID, key ci.PrivKey, insecure io.ReadWriteCloser) (*secureSession, error) {
s := &secureSession{localPeer: local, localKey: key}
s.ctx, s.cancel = context.WithCancel(ctx)
switch {
case s.localPeer == "":
return nil, errors.New("no local id provided")
case s.localKey == nil:
return nil, errors.New("no local private key provided")
case !s.localPeer.MatchesPrivateKey(s.localKey):
return nil, fmt.Errorf("peer.ID does not match PrivateKey")
case insecure == nil:
return nil, fmt.Errorf("insecure ReadWriter is nil")
}
s.ctx = ctx
s.insecure = insecure
s.insecureM = msgio.NewReadWriter(insecure)
return s, nil
}
func (s *secureSession) Handshake() error {
s.handshakeMu.Lock()
defer s.handshakeMu.Unlock()
if s.handshakeErr != nil {
return s.handshakeErr
}
if !s.handshakeDone {
s.handshakeErr = s.runHandshake()
s.handshakeDone = true
}
return s.handshakeErr
}
// runHandshake performs initial communication over insecure channel to share
// keys, IDs, and initiate communication, assigning all necessary params.
// requires the duplex channel to be a msgio.ReadWriter (for framed messaging)
func (s *secureSession) runHandshake() error {
ctx, cancel := context.WithTimeout(s.ctx, HandshakeTimeout) // remove
defer cancel()
// =============================================================================
// step 1. Propose -- propose cipher suite + send pubkeys + nonce
// Generate and send Hello packet.
// Hello = (rand, PublicKey, Supported)
nonceOut := make([]byte, nonceSize)
_, err := rand.Read(nonceOut)
if err != nil {
return err
}
defer log.EventBegin(ctx, "secureHandshake", s).Done()
s.local.permanentPubKey = s.localKey.GetPublic()
myPubKeyBytes, err := s.local.permanentPubKey.Bytes()
if err != nil {
return err
}
proposeOut := new(pb.Propose)
proposeOut.Rand = nonceOut
proposeOut.Pubkey = myPubKeyBytes
proposeOut.Exchanges = &SupportedExchanges
proposeOut.Ciphers = &SupportedCiphers
proposeOut.Hashes = &SupportedHashes
// log.Debugf("1.0 Propose: nonce:%s exchanges:%s ciphers:%s hashes:%s",
// nonceOut, SupportedExchanges, SupportedCiphers, SupportedHashes)
// Send Propose packet (respects ctx)
proposeOutBytes, err := writeMsgCtx(ctx, s.insecureM, proposeOut)
if err != nil {
return err
}
// Receive + Parse their Propose packet and generate an Exchange packet.
proposeIn := new(pb.Propose)
proposeInBytes, err := readMsgCtx(ctx, s.insecureM, proposeIn)
if err != nil {
return err
}
// log.Debugf("1.0.1 Propose recv: nonce:%s exchanges:%s ciphers:%s hashes:%s",
// proposeIn.GetRand(), proposeIn.GetExchanges(), proposeIn.GetCiphers(), proposeIn.GetHashes())
// =============================================================================
// step 1.1 Identify -- get identity from their key
// get remote identity
s.remote.permanentPubKey, err = ci.UnmarshalPublicKey(proposeIn.GetPubkey())
if err != nil {
return err
}
// get peer id
s.remotePeer, err = peer.IDFromPublicKey(s.remote.permanentPubKey)
if err != nil {
return err
}
log.Debugf("1.1 Identify: %s Remote Peer Identified as %s", s.localPeer, s.remotePeer)
// =============================================================================
// step 1.2 Selection -- select/agree on best encryption parameters
// to determine order, use cmp(H(remote_pubkey||local_rand), H(local_pubkey||remote_rand)).
oh1 := u.Hash(append(proposeIn.GetPubkey(), nonceOut...))
oh2 := u.Hash(append(myPubKeyBytes, proposeIn.GetRand()...))
order := bytes.Compare(oh1, oh2)
if order == 0 {
return ErrEcho // talking to self (same socket. must be reuseport + dialing self)
}
s.local.curveT, err = selectBest(order, SupportedExchanges, proposeIn.GetExchanges())
if err != nil {
return err
}
s.local.cipherT, err = selectBest(order, SupportedCiphers, proposeIn.GetCiphers())
if err != nil {
return err
}
s.local.hashT, err = selectBest(order, SupportedHashes, proposeIn.GetHashes())
if err != nil {
return err
}
// we use the same params for both directions (must choose same curve)
// WARNING: if they dont SelectBest the same way, this won't work...
s.remote.curveT = s.local.curveT
s.remote.cipherT = s.local.cipherT
s.remote.hashT = s.local.hashT
// log.Debugf("1.2 selection: exchange:%s cipher:%s hash:%s",
// s.local.curveT, s.local.cipherT, s.local.hashT)
// =============================================================================
// step 2. Exchange -- exchange (signed) ephemeral keys. verify signatures.
// Generate EphemeralPubKey
var genSharedKey ci.GenSharedKey
s.local.ephemeralPubKey, genSharedKey, err = ci.GenerateEKeyPair(s.local.curveT)
// Gather corpus to sign.
selectionOut := new(bytes.Buffer)
selectionOut.Write(proposeOutBytes)
selectionOut.Write(proposeInBytes)
selectionOut.Write(s.local.ephemeralPubKey)
selectionOutBytes := selectionOut.Bytes()
// log.Debugf("2.0 exchange: %v", selectionOutBytes)
exchangeOut := new(pb.Exchange)
exchangeOut.Epubkey = s.local.ephemeralPubKey
exchangeOut.Signature, err = s.localKey.Sign(selectionOutBytes)
if err != nil {
return err
}
// Send Propose packet (respects ctx)
if _, err := writeMsgCtx(ctx, s.insecureM, exchangeOut); err != nil {
return err
}
// Receive + Parse their Exchange packet.
exchangeIn := new(pb.Exchange)
if _, err := readMsgCtx(ctx, s.insecureM, exchangeIn); err != nil {
return err
}
// =============================================================================
// step 2.1. Verify -- verify their exchange packet is good.
// get their ephemeral pub key
s.remote.ephemeralPubKey = exchangeIn.GetEpubkey()
selectionIn := new(bytes.Buffer)
selectionIn.Write(proposeInBytes)
selectionIn.Write(proposeOutBytes)
selectionIn.Write(s.remote.ephemeralPubKey)
selectionInBytes := selectionIn.Bytes()
// log.Debugf("2.0.1 exchange recv: %v", selectionInBytes)
// u.POut("Remote Peer Identified as %s\n", s.remote)
sigOK, err := s.remote.permanentPubKey.Verify(selectionInBytes, exchangeIn.GetSignature())
if err != nil {
// log.Error("2.1 Verify: failed: %s", err)
return err
}
if !sigOK {
err := errors.New("Bad signature!")
// log.Error("2.1 Verify: failed: %s", err)
return err
}
// log.Debugf("2.1 Verify: signature verified.")
// =============================================================================
// step 2.2. Keys -- generate keys for mac + encryption
// OK! seems like we're good to go.
s.sharedSecret, err = genSharedKey(exchangeIn.GetEpubkey())
if err != nil {
return err
}
// generate two sets of keys (stretching)
k1, k2 := ci.KeyStretcher(s.local.cipherT, s.local.hashT, s.sharedSecret)
// use random nonces to decide order.
switch {
case order > 0:
// just break
case order < 0:
k1, k2 = k2, k1 // swap
default:
// we should've bailed before this. but if not, bail here.
return ErrEcho
}
s.local.keys = k1
s.remote.keys = k2
// log.Debug("2.2 keys:\n\tshared: %v\n\tk1: %v\n\tk2: %v",
// s.sharedSecret, s.local.keys, s.remote.keys)
// =============================================================================
// step 2.3. MAC + Cipher -- prepare MAC + cipher
if err := s.local.makeMacAndCipher(); err != nil {
return err
}
if err := s.remote.makeMacAndCipher(); err != nil {
return err
}
// log.Debug("2.3 mac + cipher.")
// =============================================================================
// step 3. Finish -- send expected message to verify encryption works (send local nonce)
// setup ETM ReadWriter
w := NewETMWriter(s.insecure, s.local.cipher, s.local.mac)
r := NewETMReader(s.insecure, s.remote.cipher, s.remote.mac)
s.secure = msgio.Combine(w, r).(msgio.ReadWriteCloser)
// log.Debug("3.0 finish. sending: %v", proposeIn.GetRand())
// send their Nonce.
if _, err := s.secure.Write(proposeIn.GetRand()); err != nil {
return fmt.Errorf("Failed to write Finish nonce: %s", err)
}
// read our Nonce
nonceOut2 := make([]byte, len(nonceOut))
if _, err := io.ReadFull(s.secure, nonceOut2); err != nil {
return fmt.Errorf("Failed to read Finish nonce: %s", err)
}
// log.Debug("3.0 finish.\n\texpect: %v\n\tactual: %v", nonceOut, nonceOut2)
if !bytes.Equal(nonceOut, nonceOut2) {
return fmt.Errorf("Failed to read our encrypted nonce: %s != %s", nonceOut2, nonceOut)
}
// Whew! ok, that's all folks.
return nil
}

297
p2p/crypto/secio/rw.go
View File

@@ -1,297 +0,0 @@
package secio
import (
"crypto/cipher"
"errors"
"fmt"
"io"
"sync"
"crypto/hmac"
msgio "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio"
mpool "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio/mpool"
proto "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/proto"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)
// ErrMACInvalid signals that a MAC verification failed
var ErrMACInvalid = errors.New("MAC verification failed")
// bufPool is a ByteSlicePool for messages. we need buffers because (sadly)
// we cannot encrypt in place-- the user needs their buffer back.
var bufPool = mpool.ByteSlicePool
type etmWriter struct {
// params
pool mpool.Pool // for the buffers with encrypted data
msg msgio.WriteCloser // msgio for knowing where boundaries lie
str cipher.Stream // the stream cipher to encrypt with
mac HMAC // the mac to authenticate data with
sync.Mutex
}
// NewETMWriter Encrypt-Then-MAC
func NewETMWriter(w io.Writer, s cipher.Stream, mac HMAC) msgio.WriteCloser {
return &etmWriter{msg: msgio.NewWriter(w), str: s, mac: mac, pool: bufPool}
}
// Write writes passed in buffer as a single message.
func (w *etmWriter) Write(b []byte) (int, error) {
if err := w.WriteMsg(b); err != nil {
return 0, err
}
return len(b), nil
}
// WriteMsg writes the msg in the passed in buffer.
func (w *etmWriter) WriteMsg(b []byte) error {
w.Lock()
defer w.Unlock()
// encrypt.
data := w.pool.Get(uint32(len(b))).([]byte)
data = data[:len(b)] // the pool's buffer may be larger
w.str.XORKeyStream(data, b)
// log.Debugf("ENC plaintext (%d): %s %v", len(b), b, b)
// log.Debugf("ENC ciphertext (%d): %s %v", len(data), data, data)
// then, mac.
if _, err := w.mac.Write(data); err != nil {
return err
}
// Sum appends.
data = w.mac.Sum(data)
w.mac.Reset()
// it's sad to append here. our buffers are -- hopefully -- coming from
// a shared buffer pool, so the append may not actually cause allocation
// one can only hope. i guess we'll see.
return w.msg.WriteMsg(data)
}
func (w *etmWriter) Close() error {
return w.msg.Close()
}
type etmReader struct {
msgio.Reader
io.Closer
// internal buffer returned from the msgio
buf []byte
// low and high watermark for the buffered data
lowat int
hiwat int
// params
msg msgio.ReadCloser // msgio for knowing where boundaries lie
str cipher.Stream // the stream cipher to encrypt with
mac HMAC // the mac to authenticate data with
sync.Mutex
}
// NewETMReader Encrypt-Then-MAC
func NewETMReader(r io.Reader, s cipher.Stream, mac HMAC) msgio.ReadCloser {
return &etmReader{msg: msgio.NewReader(r), str: s, mac: mac}
}
func (r *etmReader) NextMsgLen() (int, error) {
return r.msg.NextMsgLen()
}
func (r *etmReader) drain(buf []byte) int {
// Return zero if there is no data remaining in the internal buffer.
if r.lowat == r.hiwat {
return 0
}
// Copy data to the output buffer.
n := copy(buf, r.buf[r.lowat:r.hiwat])
// Update the low watermark.
r.lowat += n
// Release the buffer and reset the watermarks if it has been fully read.
if r.lowat == r.hiwat {
r.msg.ReleaseMsg(r.buf)
r.buf = nil
r.lowat = 0
r.hiwat = 0
}
return n
}
func (r *etmReader) fill() error {
// Read a message from the underlying msgio.
msg, err := r.msg.ReadMsg()
if err != nil {
return err
}
// Check the MAC.
n, err := r.macCheckThenDecrypt(msg)
if err != nil {
r.msg.ReleaseMsg(msg)
return err
}
// Retain the buffer so it can be drained from and later released.
r.buf = msg
r.lowat = 0
r.hiwat = n
return nil
}
func (r *etmReader) Read(buf []byte) (int, error) {
r.Lock()
defer r.Unlock()
// Return buffered data without reading more, if possible.
copied := r.drain(buf)
if copied > 0 {
return copied, nil
}
// Check the length of the next message.
fullLen, err := r.msg.NextMsgLen()
if err != nil {
return 0, err
}
// If the destination buffer is too short, fill an internal buffer and then
// drain as much of that into the output buffer as will fit.
if cap(buf) < fullLen {
err := r.fill()
if err != nil {
return 0, err
}
copied := r.drain(buf)
return copied, nil
}
// Otherwise, read directly into the destination buffer.
n, err := io.ReadFull(r.msg, buf[:fullLen])
if err != nil {
return 0, err
}
m, err := r.macCheckThenDecrypt(buf[:n])
if err != nil {
return 0, err
}
return m, nil
}
func (r *etmReader) ReadMsg() ([]byte, error) {
r.Lock()
defer r.Unlock()
msg, err := r.msg.ReadMsg()
if err != nil {
return nil, err
}
n, err := r.macCheckThenDecrypt(msg)
if err != nil {
return nil, err
}
return msg[:n], nil
}
func (r *etmReader) macCheckThenDecrypt(m []byte) (int, error) {
l := len(m)
if l < r.mac.size {
return 0, fmt.Errorf("buffer (%d) shorter than MAC size (%d)", l, r.mac.size)
}
mark := l - r.mac.size
data := m[:mark]
macd := m[mark:]
r.mac.Write(data)
expected := r.mac.Sum(nil)
r.mac.Reset()
// check mac. if failed, return error.
if !hmac.Equal(macd, expected) {
log.Debug("MAC Invalid:", expected, "!=", macd)
return 0, ErrMACInvalid
}
// ok seems good. decrypt. (can decrypt in place, yay!)
// log.Debugf("DEC ciphertext (%d): %s %v", len(data), data, data)
r.str.XORKeyStream(data, data)
// log.Debugf("DEC plaintext (%d): %s %v", len(data), data, data)
return mark, nil
}
func (w *etmReader) Close() error {
return w.msg.Close()
}
// ReleaseMsg signals a buffer can be reused.
func (r *etmReader) ReleaseMsg(b []byte) {
r.msg.ReleaseMsg(b)
}
// writeMsgCtx is used by the
func writeMsgCtx(ctx context.Context, w msgio.Writer, msg proto.Message) ([]byte, error) {
enc, err := proto.Marshal(msg)
if err != nil {
return nil, err
}
// write in a goroutine so we can exit when our context is cancelled.
done := make(chan error)
go func(m []byte) {
err := w.WriteMsg(m)
select {
case done <- err:
case <-ctx.Done():
}
}(enc)
select {
case <-ctx.Done():
return nil, ctx.Err()
case e := <-done:
return enc, e
}
}
func readMsgCtx(ctx context.Context, r msgio.Reader, p proto.Message) ([]byte, error) {
var msg []byte
// read in a goroutine so we can exit when our context is cancelled.
done := make(chan error)
go func() {
var err error
msg, err = r.ReadMsg()
select {
case done <- err:
case <-ctx.Done():
}
}()
select {
case <-ctx.Done():
return nil, ctx.Err()
case e := <-done:
if e != nil {
return nil, e
}
}
return msg, proto.Unmarshal(msg, p)
}

2
p2p/discovery/mdns.go
View File

@@ -10,8 +10,8 @@ import (
"time"
"github.com/ipfs/go-libp2p/p2p/host"
"github.com/ipfs/go-libp2p/p2p/peer"
"gx/ipfs/QmSscYPCcE1H3UQr2tnsJ2a9dK9LsHTBGgP71VW6fz67e5/mdns"
"gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

2
p2p/host/basic/basic_host.go
View File

@@ -6,11 +6,11 @@ import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
mstream "github.com/ipfs/go-libp2p/p2p/metrics/stream"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
identify "github.com/ipfs/go-libp2p/p2p/protocol/identify"
relay "github.com/ipfs/go-libp2p/p2p/protocol/relay"
goprocess "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

2
p2p/host/basic/natmgr.go
View File

@@ -3,10 +3,10 @@ package basichost
import (
"sync"
lgbl "github.com/ipfs/go-libp2p/loggables"
inat "github.com/ipfs/go-libp2p/p2p/nat"
inet "github.com/ipfs/go-libp2p/p2p/net"
goprocess "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/host/host.go
View File

@@ -3,9 +3,9 @@ package host
import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
msmux "gx/ipfs/QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB/go-multistream"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

4
p2p/host/routed/routed.go
View File

@@ -4,12 +4,12 @@ import (
"fmt"
"time"
lgbl "github.com/ipfs/go-libp2p/loggables"
host "github.com/ipfs/go-libp2p/p2p/host"
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

2
p2p/metrics/bw_stats.go
View File

@@ -4,8 +4,8 @@ import (
gm "gx/ipfs/QmeYJHEk8UjVVZ4XCRTZe6dFQrb8pGWD81LYCgeLp8CvMB/go-metrics"
"sync"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
)
type Stats struct {

2
p2p/metrics/conn/conn.go
View File

@@ -2,7 +2,7 @@ package meterconn
import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
)
type MeteredConn struct {

2
p2p/metrics/interface.go
View File

@@ -1,8 +1,8 @@
package metrics
import (
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
)
type StreamMeterCallback func(int64, protocol.ID, peer.ID)

2
p2p/metrics/stream/metered.go
View File

@@ -3,8 +3,8 @@ package meterstream
import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
)
type meteredStream struct {

2
p2p/metrics/stream/metered_test.go
View File

@@ -6,8 +6,8 @@ import (
"testing"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
randbo "gx/ipfs/QmYvsG72GsfLgUeSojXArjnU6L4Wmwk7wuAxtNLuyXcc1T/randbo"
)

6
p2p/net/conn/conn.go
View File

@@ -6,13 +6,13 @@ import (
"net"
"time"
lgbl "github.com/ipfs/go-libp2p/loggables"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
peer "github.com/ipfs/go-libp2p/p2p/peer"
mpool "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio/mpool"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

8
p2p/net/conn/dial.go
View File

@@ -5,14 +5,14 @@ import (
"math/rand"
"strings"
lgbl "github.com/ipfs/go-libp2p/loggables"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
peer "github.com/ipfs/go-libp2p/p2p/peer"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
msmux "gx/ipfs/QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB/go-multistream"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ci "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

6
p2p/net/conn/dial_test.go
View File

@@ -11,10 +11,10 @@ import (
"testing"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
peer "github.com/ipfs/go-libp2p/p2p/peer"
tu "github.com/ipfs/go-libp2p/testutil"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
grc "gx/ipfs/QmTd4Jgb4nbJq5uR55KJgGLyHWmM3dovS21D1HcwRneSLu/gorocheck"
msmux "gx/ipfs/QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB/go-multistream"

7
p2p/net/conn/interface.go
View File

@@ -5,11 +5,10 @@ import (
"net"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
filter "github.com/ipfs/go-libp2p/p2p/net/filter"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
peer "github.com/ipfs/go-libp2p/p2p/peer"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

6
p2p/net/conn/listen.go
View File

@@ -7,15 +7,15 @@ import (
"sync"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
filter "github.com/ipfs/go-libp2p/p2p/net/filter"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
peer "github.com/ipfs/go-libp2p/p2p/peer"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
goprocessctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
msmux "gx/ipfs/QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB/go-multistream"
tec "gx/ipfs/QmWHgLqrghM9zw77nF6gdvT9ExQ2RB9pLxkd8sDHZf1rWb/go-temp-err-catcher"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

6
p2p/net/conn/secure_conn.go
View File

@@ -5,11 +5,11 @@ import (
"net"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
secio "github.com/ipfs/go-libp2p/p2p/crypto/secio"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
secio "gx/ipfs/QmeBhrdD3K5aMCubZMwhAbcCuHbWjTvVbhQX73kFx2qQfs/go-libp2p-secio"
)
// secureConn wraps another Conn object with an encrypted channel.

2
p2p/net/conn/secure_conn_test.go
View File

@@ -7,8 +7,8 @@ import (
"testing"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
travis "github.com/ipfs/go-libp2p/testutil/ci/travis"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)

3
p2p/net/interface.go
View File

@@ -4,9 +4,8 @@ import (
"io"
conn "github.com/ipfs/go-libp2p/p2p/net/conn"
peer "github.com/ipfs/go-libp2p/p2p/peer"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

4
p2p/net/mock/interface.go
View File

@@ -7,10 +7,10 @@
package mocknet
import (
ic "github.com/ipfs/go-libp2p/p2p/crypto"
host "github.com/ipfs/go-libp2p/p2p/host"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
"io"
"time"

5
p2p/net/mock/mock_conn.go
View File

@@ -4,11 +4,10 @@ import (
"container/list"
"sync"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
process "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/net/mock/mock_link.go
View File

@@ -7,7 +7,7 @@ import (
"time"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
)
// link implements mocknet.Link

4
p2p/net/mock/mock_net.go
View File

@@ -5,13 +5,13 @@ import (
"sort"
"sync"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
host "github.com/ipfs/go-libp2p/p2p/host"
bhost "github.com/ipfs/go-libp2p/p2p/host/basic"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
p2putil "github.com/ipfs/go-libp2p/p2p/test/util"
testutil "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
goprocessctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context"

2
p2p/net/mock/mock_notif_test.go
View File

@@ -5,7 +5,7 @@ import (
"time"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

3
p2p/net/mock/mock_peernet.go
View File

@@ -6,10 +6,9 @@ import (
"sync"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
goprocessctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/net/mock/mock_printer.go
View File

@@ -5,7 +5,7 @@ import (
"io"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
)
// separate object so our interfaces are separate :)

2
p2p/net/mock/mock_test.go
View File

@@ -10,9 +10,9 @@ import (
"time"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
testutil "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
detectrace "gx/ipfs/QmQHGMVmrsgmqUG8ih3puNXUJneSpi13dkcZpzLKkskUkH/go-detect-race"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"

3
p2p/net/swarm/dial_test.go
View File

@@ -8,10 +8,9 @@ import (
"time"
addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
peer "github.com/ipfs/go-libp2p/p2p/peer"
testutil "github.com/ipfs/go-libp2p/testutil"
ci "github.com/ipfs/go-libp2p/testutil/ci"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"

3
p2p/net/swarm/peers_test.go
View File

@@ -3,8 +3,7 @@ package swarm
import (
"testing"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/net/swarm/simul_test.go
View File

@@ -6,8 +6,8 @@ import (
"testing"
"time"
peer "github.com/ipfs/go-libp2p/p2p/peer"
ci "github.com/ipfs/go-libp2p/testutil/ci"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

5
p2p/net/swarm/swarm.go
View File

@@ -14,16 +14,15 @@ import (
conn "github.com/ipfs/go-libp2p/p2p/net/conn"
filter "github.com/ipfs/go-libp2p/p2p/net/filter"
addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
peer "github.com/ipfs/go-libp2p/p2p/peer"
mafilter "gx/ipfs/QmPwfFAHUmvWDucLHRS9Xz2Kb1TNX2cY4LJ7pQjg9kVcae/multiaddr-filter"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
goprocessctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
pst "gx/ipfs/QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn/go-stream-muxer"
psmss "gx/ipfs/QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn/go-stream-muxer/multistream"
spdy "gx/ipfs/QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn/go-stream-muxer/spdystream"
yamux "gx/ipfs/QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn/go-stream-muxer/yamux"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ps "gx/ipfs/QmZK81vcgMhpb2t7GNbozk7qzt6Rj4zFqitpvsWT9mduW8/go-peerstream"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"

2
p2p/net/swarm/swarm_addr_test.go
View File

@@ -5,8 +5,8 @@ import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
peer "github.com/ipfs/go-libp2p/p2p/peer"
testutil "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

4
p2p/net/swarm/swarm_conn.go
View File

@@ -3,13 +3,13 @@ package swarm
import (
"fmt"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
inet "github.com/ipfs/go-libp2p/p2p/net"
conn "github.com/ipfs/go-libp2p/p2p/net/conn"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ps "gx/ipfs/QmZK81vcgMhpb2t7GNbozk7qzt6Rj4zFqitpvsWT9mduW8/go-peerstream"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

4
p2p/net/swarm/swarm_dial.go
View File

@@ -8,10 +8,10 @@ import (
"sync"
"time"
lgbl "github.com/ipfs/go-libp2p/loggables"
conn "github.com/ipfs/go-libp2p/p2p/net/conn"
addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
peer "github.com/ipfs/go-libp2p/p2p/peer"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
"gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

5
p2p/net/swarm/swarm_listen.go
View File

@@ -3,12 +3,11 @@ package swarm
import (
"fmt"
lgbl "github.com/ipfs/go-libp2p/loggables"
mconn "github.com/ipfs/go-libp2p/p2p/metrics/conn"
inet "github.com/ipfs/go-libp2p/p2p/net"
conn "github.com/ipfs/go-libp2p/p2p/net/conn"
transport "github.com/ipfs/go-libp2p/p2p/net/transport"
transport "gx/ipfs/QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg/go-libp2p-transport"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
ps "gx/ipfs/QmZK81vcgMhpb2t7GNbozk7qzt6Rj4zFqitpvsWT9mduW8/go-peerstream"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

3
p2p/net/swarm/swarm_net.go
View File

@@ -3,10 +3,9 @@ package swarm
import (
"fmt"
peer "github.com/ipfs/go-libp2p/p2p/peer"
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
"gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"

2
p2p/net/swarm/swarm_notif_test.go
View File

@@ -5,7 +5,7 @@ import (
"time"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/net/swarm/swarm_test.go
View File

@@ -11,8 +11,8 @@ import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
testutil "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

64
p2p/net/transport/fallback.go
View File

@@ -1,64 +0,0 @@
package transport
import (
"fmt"
mafmt "gx/ipfs/QmWLfU4tstw2aNcTykDm44xbSTCYJ9pUJwfhQCKGwckcHx/mafmt"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
mautp "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net/utp"
utp "gx/ipfs/QmadkZhaLw1AhXKyBiPmydRuTexhj6WkiZPpo5Uks6WUVq/utp"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
type FallbackDialer struct {
madialer manet.Dialer
}
func (fbd *FallbackDialer) Matches(a ma.Multiaddr) bool {
return mafmt.TCP.Matches(a) || mafmt.UTP.Matches(a)
}
func (fbd *FallbackDialer) Dial(a ma.Multiaddr) (Conn, error) {
if mafmt.TCP.Matches(a) {
return fbd.tcpDial(a)
}
if mafmt.UTP.Matches(a) {
return fbd.tcpDial(a)
}
return nil, fmt.Errorf("cannot dial %s with fallback dialer", a)
}
func (fbd *FallbackDialer) tcpDial(raddr ma.Multiaddr) (Conn, error) {
var c manet.Conn
var err error
c, err = fbd.madialer.Dial(raddr)
if err != nil {
return nil, err
}
return &connWrap{
Conn: c,
}, nil
}
func (fbd *FallbackDialer) utpDial(raddr ma.Multiaddr) (Conn, error) {
_, addr, err := manet.DialArgs(raddr)
if err != nil {
return nil, err
}
con, err := utp.Dial(addr)
if err != nil {
return nil, err
}
mnc, err := manet.WrapNetConn(&mautp.Conn{Conn: con})
if err != nil {
return nil, err
}
return &connWrap{
Conn: mnc,
}, nil
}

65
p2p/net/transport/reuseport.go
View File

@@ -1,65 +0,0 @@
package transport
import (
"net"
"os"
"strings"
"syscall"
reuseport "gx/ipfs/QmaaC9QMYTQHCbMq3Ebr3uMaAR2ev4AVqMmsJpgQijAZbJ/go-reuseport"
)
// envReuseport is the env variable name used to turn off reuse port.
// It default to true.
const envReuseport = "IPFS_REUSEPORT"
// envReuseportVal stores the value of envReuseport. defaults to true.
var envReuseportVal = true
func init() {
v := strings.ToLower(os.Getenv(envReuseport))
if v == "false" || v == "f" || v == "0" {
envReuseportVal = false
log.Infof("REUSEPORT disabled (IPFS_REUSEPORT=%s)", v)
}
}
// reuseportIsAvailable returns whether reuseport is available to be used. This
// is here because we want to be able to turn reuseport on and off selectively.
// For now we use an ENV variable, as this handles our pressing need:
//
// IPFS_REUSEPORT=false ipfs daemon
//
// If this becomes a sought after feature, we could add this to the config.
// In the end, reuseport is a stop-gap.
func ReuseportIsAvailable() bool {
return envReuseportVal && reuseport.Available()
}
// ReuseErrShouldRetry diagnoses whether to retry after a reuse error.
// if we failed to bind, we should retry. if bind worked and this is a
// real dial error (remote end didnt answer) then we should not retry.
func ReuseErrShouldRetry(err error) bool {
if err == nil {
return false // hey, it worked! no need to retry.
}
// if it's a network timeout error, it's a legitimate failure.
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
return false
}
errno, ok := err.(syscall.Errno)
if !ok { // not an errno? who knows what this is. retry.
return true
}
switch errno {
case syscall.EADDRINUSE, syscall.EADDRNOTAVAIL:
return true // failure to bind. retry.
case syscall.ECONNREFUSED:
return false // real dial error
default:
return true // optimistically default to retry.
}
}

237
p2p/net/transport/tcp.go
View File

@@ -1,237 +0,0 @@
package transport
import (
"fmt"
"net"
"sync"
"time"
lgbl "github.com/ipfs/go-libp2p/loggables"
mafmt "gx/ipfs/QmWLfU4tstw2aNcTykDm44xbSTCYJ9pUJwfhQCKGwckcHx/mafmt"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
reuseport "gx/ipfs/QmaaC9QMYTQHCbMq3Ebr3uMaAR2ev4AVqMmsJpgQijAZbJ/go-reuseport"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
type TcpTransport struct {
dlock sync.Mutex
dialers map[string]Dialer
llock sync.Mutex
listeners map[string]Listener
}
func NewTCPTransport() *TcpTransport {
return &TcpTransport{
dialers: make(map[string]Dialer),
listeners: make(map[string]Listener),
}
}
func (t *TcpTransport) Dialer(laddr ma.Multiaddr, opts ...DialOpt) (Dialer, error) {
t.dlock.Lock()
defer t.dlock.Unlock()
s := laddr.String()
d, found := t.dialers[s]
if found {
return d, nil
}
var base manet.Dialer
var doReuse bool
for _, o := range opts {
switch o := o.(type) {
case TimeoutOpt:
base.Timeout = time.Duration(o)
case ReuseportOpt:
doReuse = bool(o)
default:
return nil, fmt.Errorf("unrecognized option: %#v", o)
}
}
tcpd, err := t.newTcpDialer(base, laddr, doReuse)
if err != nil {
return nil, err
}
t.dialers[s] = tcpd
return tcpd, nil
}
func (t *TcpTransport) Listen(laddr ma.Multiaddr) (Listener, error) {
t.llock.Lock()
defer t.llock.Unlock()
s := laddr.String()
l, found := t.listeners[s]
if found {
return l, nil
}
list, err := manetListen(laddr)
if err != nil {
return nil, err
}
tlist := &tcpListener{
list: list,
transport: t,
}
t.listeners[s] = tlist
return tlist, nil
}
func manetListen(addr ma.Multiaddr) (manet.Listener, error) {
network, naddr, err := manet.DialArgs(addr)
if err != nil {
return nil, err
}
if ReuseportIsAvailable() {
nl, err := reuseport.Listen(network, naddr)
if err == nil {
// hey, it worked!
return manet.WrapNetListener(nl)
}
// reuseport is available, but we failed to listen. log debug, and retry normally.
log.Debugf("reuseport available, but failed to listen: %s %s, %s", network, naddr, err)
}
// either reuseport not available, or it failed. try normally.
return manet.Listen(addr)
}
func (t *TcpTransport) Matches(a ma.Multiaddr) bool {
return mafmt.TCP.Matches(a)
}
type tcpDialer struct {
laddr ma.Multiaddr
doReuse bool
rd reuseport.Dialer
madialer manet.Dialer
transport Transport
}
func (t *TcpTransport) newTcpDialer(base manet.Dialer, laddr ma.Multiaddr, doReuse bool) (*tcpDialer, error) {
// get the local net.Addr manually
la, err := manet.ToNetAddr(laddr)
if err != nil {
return nil, err // something wrong with laddr.
}
if doReuse && ReuseportIsAvailable() {
rd := reuseport.Dialer{
D: net.Dialer{
LocalAddr: la,
Timeout: base.Timeout,
},
}
return &tcpDialer{
doReuse: true,
laddr: laddr,
rd: rd,
madialer: base,
transport: t,
}, nil
}
return &tcpDialer{
doReuse: false,
laddr: laddr,
madialer: base,
transport: t,
}, nil
}
func (d *tcpDialer) Dial(raddr ma.Multiaddr) (Conn, error) {
var c manet.Conn
var err error
if d.doReuse {
c, err = d.reuseDial(raddr)
} else {
c, err = d.madialer.Dial(raddr)
}
if err != nil {
return nil, err
}
return &connWrap{
Conn: c,
transport: d.transport,
}, nil
}
func (d *tcpDialer) reuseDial(raddr ma.Multiaddr) (manet.Conn, error) {
logdial := lgbl.Dial("conn", "", "", d.laddr, raddr)
rpev := log.EventBegin(context.TODO(), "tptDialReusePort", logdial)
network, netraddr, err := manet.DialArgs(raddr)
if err != nil {
return nil, err
}
con, err := d.rd.Dial(network, netraddr)
if err == nil {
logdial["reuseport"] = "success"
rpev.Done()
return manet.WrapNetConn(con)
}
if !ReuseErrShouldRetry(err) {
logdial["reuseport"] = "failure"
logdial["error"] = err
rpev.Done()
return nil, err
}
logdial["reuseport"] = "retry"
logdial["error"] = err
rpev.Done()
return d.madialer.Dial(raddr)
}
func (d *tcpDialer) Matches(a ma.Multiaddr) bool {
return mafmt.TCP.Matches(a)
}
type tcpListener struct {
list manet.Listener
transport Transport
}
func (d *tcpListener) Accept() (Conn, error) {
c, err := d.list.Accept()
if err != nil {
return nil, err
}
return &connWrap{
Conn: c,
transport: d.transport,
}, nil
}
func (d *tcpListener) Addr() net.Addr {
return d.list.Addr()
}
func (t *tcpListener) Multiaddr() ma.Multiaddr {
return t.list.Multiaddr()
}
func (t *tcpListener) NetListener() net.Listener {
return t.list.NetListener()
}
func (d *tcpListener) Close() error {
return d.list.Close()
}

51
p2p/net/transport/transport.go
View File

@@ -1,51 +0,0 @@
package transport
import (
"net"
"time"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
var log = logging.Logger("transport")
type Conn interface {
manet.Conn
Transport() Transport
}
type Transport interface {
Dialer(laddr ma.Multiaddr, opts ...DialOpt) (Dialer, error)
Listen(laddr ma.Multiaddr) (Listener, error)
Matches(ma.Multiaddr) bool
}
type Dialer interface {
Dial(raddr ma.Multiaddr) (Conn, error)
Matches(ma.Multiaddr) bool
}
type Listener interface {
Accept() (Conn, error)
Close() error
Addr() net.Addr
Multiaddr() ma.Multiaddr
}
type connWrap struct {
manet.Conn
transport Transport
}
func (cw *connWrap) Transport() Transport {
return cw.transport
}
type DialOpt interface{}
type TimeoutOpt time.Duration
type ReuseportOpt bool
var ReusePorts ReuseportOpt = true

135
p2p/net/transport/transport_test.go
View File

@@ -1,135 +0,0 @@
package transport
import (
"fmt"
"io"
"testing"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
func TestTcpTransport(t *testing.T) {
ta := NewTCPTransport()
tb := NewTCPTransport()
zero := "/ip4/127.0.0.1/tcp/0"
subtestTransport(t, ta, tb, zero)
}
func TestUtpTransport(t *testing.T) {
ta := NewUtpTransport()
tb := NewUtpTransport()
zero := "/ip4/127.0.0.1/udp/0/utp"
subtestTransport(t, ta, tb, zero)
}
func subtestTransport(t *testing.T, ta, tb Transport, addr string) {
maddr, err := ma.NewMultiaddr(addr)
if err != nil {
t.Fatal(err)
}
list, err := ta.Listen(maddr)
if err != nil {
t.Fatal(err)
}
dialer, err := tb.Dialer(maddr)
if err != nil {
t.Fatal(err)
}
accepted := make(chan Conn, 1)
errs := make(chan error, 1)
go func() {
b, err := list.Accept()
if err != nil {
errs <- err
return
}
accepted <- b
}()
a, err := dialer.Dial(list.Multiaddr())
if err != nil {
t.Fatal(err)
}
var b Conn
select {
case b = <-accepted:
case err := <-errs:
t.Fatal(err)
}
defer a.Close()
defer b.Close()
err = checkDataTransfer(a, b)
if err != nil {
t.Fatal(err)
}
}
func checkDataTransfer(a, b io.ReadWriter) error {
errs := make(chan error, 2)
data := []byte("this is some test data")
go func() {
n, err := a.Write(data)
if err != nil {
errs <- err
return
}
if n != len(data) {
errs <- fmt.Errorf("failed to write enough data (a->b)")
return
}
buf := make([]byte, len(data))
_, err = io.ReadFull(a, buf)
if err != nil {
errs <- err
return
}
errs <- nil
}()
go func() {
buf := make([]byte, len(data))
_, err := io.ReadFull(b, buf)
if err != nil {
errs <- err
return
}
n, err := b.Write(data)
if err != nil {
errs <- err
return
}
if n != len(data) {
errs <- fmt.Errorf("failed to write enough data (b->a)")
return
}
errs <- nil
}()
err := <-errs
if err != nil {
return err
}
err = <-errs
if err != nil {
return err
}
return nil
}

147
p2p/net/transport/utp.go
View File

@@ -1,147 +0,0 @@
package transport
import (
"net"
"sync"
mafmt "gx/ipfs/QmWLfU4tstw2aNcTykDm44xbSTCYJ9pUJwfhQCKGwckcHx/mafmt"
manet "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net"
mautp "gx/ipfs/QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp/go-multiaddr-net/utp"
utp "gx/ipfs/QmadkZhaLw1AhXKyBiPmydRuTexhj6WkiZPpo5Uks6WUVq/utp"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
type UtpTransport struct {
sockLock sync.Mutex
sockets map[string]*UtpSocket
}
func NewUtpTransport() *UtpTransport {
return &UtpTransport{
sockets: make(map[string]*UtpSocket),
}
}
func (d *UtpTransport) Matches(a ma.Multiaddr) bool {
return mafmt.UTP.Matches(a)
}
type UtpSocket struct {
s *utp.Socket
laddr ma.Multiaddr
transport Transport
}
func (t *UtpTransport) Listen(laddr ma.Multiaddr) (Listener, error) {
t.sockLock.Lock()
defer t.sockLock.Unlock()
s, ok := t.sockets[laddr.String()]
if ok {
return s, nil
}
ns, err := t.newConn(laddr)
if err != nil {
return nil, err
}
t.sockets[laddr.String()] = ns
return ns, nil
}
func (t *UtpTransport) Dialer(laddr ma.Multiaddr, opts ...DialOpt) (Dialer, error) {
t.sockLock.Lock()
defer t.sockLock.Unlock()
s, ok := t.sockets[laddr.String()]
if ok {
return s, nil
}
ns, err := t.newConn(laddr, opts...)
if err != nil {
return nil, err
}
t.sockets[laddr.String()] = ns
return ns, nil
}
func (t *UtpTransport) newConn(addr ma.Multiaddr, opts ...DialOpt) (*UtpSocket, error) {
network, netaddr, err := manet.DialArgs(addr)
if err != nil {
return nil, err
}
s, err := utp.NewSocket("udp"+network[3:], netaddr)
if err != nil {
return nil, err
}
laddr, err := manet.FromNetAddr(mautp.MakeAddr(s.LocalAddr()))
if err != nil {
return nil, err
}
return &UtpSocket{
s: s,
laddr: laddr,
transport: t,
}, nil
}
func (s *UtpSocket) Dial(raddr ma.Multiaddr) (Conn, error) {
_, addr, err := manet.DialArgs(raddr)
if err != nil {
return nil, err
}
con, err := s.s.Dial(addr)
if err != nil {
return nil, err
}
mnc, err := manet.WrapNetConn(&mautp.Conn{Conn: con})
if err != nil {
return nil, err
}
return &connWrap{
Conn: mnc,
transport: s.transport,
}, nil
}
func (s *UtpSocket) Accept() (Conn, error) {
c, err := s.s.Accept()
if err != nil {
return nil, err
}
mnc, err := manet.WrapNetConn(&mautp.Conn{Conn: c})
if err != nil {
return nil, err
}
return &connWrap{
Conn: mnc,
transport: s.transport,
}, nil
}
func (s *UtpSocket) Matches(a ma.Multiaddr) bool {
return mafmt.UTP.Matches(a)
}
func (t *UtpSocket) Close() error {
return t.s.Close()
}
func (t *UtpSocket) Addr() net.Addr {
return t.s.Addr()
}
func (t *UtpSocket) Multiaddr() ma.Multiaddr {
return t.laddr
}
var _ Transport = (*UtpTransport)(nil)

70
p2p/peer/addr/addrsrcs.go
View File

@@ -1,70 +0,0 @@
// Package addr provides utility functions to handle peer addresses.
package addr
import (
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
// AddrSource is a source of addresses. It allows clients to retrieve
// a set of addresses at a last possible moment in time. It is used
// to query a set of addresses that may change over time, as a result
// of the network changing interfaces or mappings.
type Source interface {
Addrs() []ma.Multiaddr
}
// CombineSources returns a new AddrSource which is the
// concatenation of all input AddrSources:
//
// combined := CombinedSources(a, b)
// combined.Addrs() // append(a.Addrs(), b.Addrs()...)
//
func CombineSources(srcs ...Source) Source {
return combinedAS(srcs)
}
type combinedAS []Source
func (cas combinedAS) Addrs() []ma.Multiaddr {
var addrs []ma.Multiaddr
for _, s := range cas {
addrs = append(addrs, s.Addrs()...)
}
return addrs
}
// UniqueSource returns a new AddrSource which omits duplicate
// addresses from the inputs:
//
// unique := UniqueSource(a, b)
// unique.Addrs() // append(a.Addrs(), b.Addrs()...)
// // but only adds each addr once.
//
func UniqueSource(srcs ...Source) Source {
return uniqueAS(srcs)
}
type uniqueAS []Source
func (uas uniqueAS) Addrs() []ma.Multiaddr {
seen := make(map[string]struct{})
var addrs []ma.Multiaddr
for _, s := range uas {
for _, a := range s.Addrs() {
s := a.String()
if _, found := seen[s]; !found {
addrs = append(addrs, a)
seen[s] = struct{}{}
}
}
}
return addrs
}
// Slice is a simple slice of addresses that implements
// the AddrSource interface.
type Slice []ma.Multiaddr
func (as Slice) Addrs() []ma.Multiaddr {
return as
}

78
p2p/peer/addr/addrsrcs_test.go
View File

@@ -1,78 +0,0 @@
package addr
import (
"fmt"
"testing"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
func newAddrOrFatal(t *testing.T, s string) ma.Multiaddr {
a, err := ma.NewMultiaddr(s)
if err != nil {
t.Fatal("error parsing multiaddr", err)
}
return a
}
func newAddrs(t *testing.T, n int) []ma.Multiaddr {
addrs := make([]ma.Multiaddr, n)
for i := 0; i < n; i++ {
s := fmt.Sprintf("/ip4/1.2.3.4/tcp/%d", i)
addrs[i] = newAddrOrFatal(t, s)
}
return addrs
}
func addrSetsSame(a, b []ma.Multiaddr) bool {
if len(a) != len(b) {
return false
}
for i, aa := range a {
bb := b[i]
if !aa.Equal(bb) {
return false
}
}
return true
}
func addrSourcesSame(a, b Source) bool {
return addrSetsSame(a.Addrs(), b.Addrs())
}
func TestAddrCombine(t *testing.T) {
addrs := newAddrs(t, 30)
a := Slice(addrs[0:10])
b := Slice(addrs[10:20])
c := Slice(addrs[20:30])
d := CombineSources(a, b, c)
if !addrSetsSame(addrs, d.Addrs()) {
t.Error("addrs differ")
}
if !addrSourcesSame(Slice(addrs), d) {
t.Error("addrs differ")
}
}
func TestAddrUnique(t *testing.T) {
addrs := newAddrs(t, 40)
a := Slice(addrs[0:20])
b := Slice(addrs[10:30])
c := Slice(addrs[20:40])
d := CombineSources(a, b, c)
e := UniqueSource(a, b, c)
if addrSetsSame(addrs, d.Addrs()) {
t.Error("addrs same")
}
if addrSourcesSame(Slice(addrs), d) {
t.Error("addrs same")
}
if !addrSetsSame(addrs, e.Addrs()) {
t.Error("addrs differ", addrs, "\n\n", e.Addrs(), "\n\n")
}
if !addrSourcesSame(Slice(addrs), e) {
t.Error("addrs differ", addrs, "\n\n", e.Addrs(), "\n\n")
}
}

188
p2p/peer/addr_manager.go
View File

@@ -1,188 +0,0 @@
package peer
import (
"sync"
"time"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
const (
// TempAddrTTL is the ttl used for a short lived address
TempAddrTTL = time.Second * 10
// ProviderAddrTTL is the TTL of an address we've received from a provider.
// This is also a temporary address, but lasts longer. After this expires,
// the records we return will require an extra lookup.
ProviderAddrTTL = time.Minute * 10
// RecentlyConnectedAddrTTL is used when we recently connected to a peer.
// It means that we are reasonably certain of the peer's address.
RecentlyConnectedAddrTTL = time.Minute * 10
// OwnObservedAddrTTL is used for our own external addresses observed by peers.
OwnObservedAddrTTL = time.Minute * 10
// PermanentAddrTTL is the ttl for a "permanent address" (e.g. bootstrap nodes)
// if we haven't shipped you an update to ipfs in 356 days
// we probably arent running the same bootstrap nodes...
PermanentAddrTTL = time.Hour * 24 * 356
// ConnectedAddrTTL is the ttl used for the addresses of a peer to whom
// we're connected directly. This is basically permanent, as we will
// clear them + re-add under a TempAddrTTL after disconnecting.
ConnectedAddrTTL = PermanentAddrTTL
)
type expiringAddr struct {
Addr ma.Multiaddr
TTL time.Time
}
func (e *expiringAddr) ExpiredBy(t time.Time) bool {
return t.After(e.TTL)
}
type addrSet map[string]expiringAddr
// AddrManager manages addresses.
// The zero-value is ready to be used.
type AddrManager struct {
addrmu sync.Mutex // guards addrs
addrs map[ID]addrSet
}
// ensures the AddrManager is initialized.
// So we can use the zero value.
func (mgr *AddrManager) init() {
if mgr.addrs == nil {
mgr.addrs = make(map[ID]addrSet)
}
}
func (mgr *AddrManager) Peers() []ID {
mgr.addrmu.Lock()
defer mgr.addrmu.Unlock()
if mgr.addrs == nil {
return nil
}
pids := make([]ID, 0, len(mgr.addrs))
for pid := range mgr.addrs {
pids = append(pids, pid)
}
return pids
}
// AddAddr calls AddAddrs(p, []ma.Multiaddr{addr}, ttl)
func (mgr *AddrManager) AddAddr(p ID, addr ma.Multiaddr, ttl time.Duration) {
mgr.AddAddrs(p, []ma.Multiaddr{addr}, ttl)
}
// AddAddrs gives AddrManager addresses to use, with a given ttl
// (time-to-live), after which the address is no longer valid.
// If the manager has a longer TTL, the operation is a no-op for that address
func (mgr *AddrManager) AddAddrs(p ID, addrs []ma.Multiaddr, ttl time.Duration) {
mgr.addrmu.Lock()
defer mgr.addrmu.Unlock()
// if ttl is zero, exit. nothing to do.
if ttl <= 0 {
return
}
// so zero value can be used
mgr.init()
amap, found := mgr.addrs[p]
if !found {
amap = make(addrSet)
mgr.addrs[p] = amap
}
// only expand ttls
exp := time.Now().Add(ttl)
for _, addr := range addrs {
addrstr := addr.String()
a, found := amap[addrstr]
if !found || exp.After(a.TTL) {
amap[addrstr] = expiringAddr{Addr: addr, TTL: exp}
}
}
}
// SetAddr calls mgr.SetAddrs(p, addr, ttl)
func (mgr *AddrManager) SetAddr(p ID, addr ma.Multiaddr, ttl time.Duration) {
mgr.SetAddrs(p, []ma.Multiaddr{addr}, ttl)
}
// SetAddrs sets the ttl on addresses. This clears any TTL there previously.
// This is used when we receive the best estimate of the validity of an address.
func (mgr *AddrManager) SetAddrs(p ID, addrs []ma.Multiaddr, ttl time.Duration) {
mgr.addrmu.Lock()
defer mgr.addrmu.Unlock()
// so zero value can be used
mgr.init()
amap, found := mgr.addrs[p]
if !found {
amap = make(addrSet)
mgr.addrs[p] = amap
}
exp := time.Now().Add(ttl)
for _, addr := range addrs {
// re-set all of them for new ttl.
addrs := addr.String()
if ttl > 0 {
amap[addrs] = expiringAddr{Addr: addr, TTL: exp}
} else {
delete(amap, addrs)
}
}
}
// Addresses returns all known (and valid) addresses for a given
func (mgr *AddrManager) Addrs(p ID) []ma.Multiaddr {
mgr.addrmu.Lock()
defer mgr.addrmu.Unlock()
// not initialized? nothing to give.
if mgr.addrs == nil {
return nil
}
maddrs, found := mgr.addrs[p]
if !found {
return nil
}
now := time.Now()
good := make([]ma.Multiaddr, 0, len(maddrs))
var expired []string
for s, m := range maddrs {
if m.ExpiredBy(now) {
expired = append(expired, s)
} else {
good = append(good, m.Addr)
}
}
// clean up the expired ones.
for _, s := range expired {
delete(maddrs, s)
}
return good
}
// ClearAddresses removes all previously stored addresses
func (mgr *AddrManager) ClearAddrs(p ID) {
mgr.addrmu.Lock()
defer mgr.addrmu.Unlock()
mgr.init()
mgr.addrs[p] = make(addrSet) // clear what was there before
}

180
p2p/peer/addr_manager_test.go
View File

@@ -1,180 +0,0 @@
package peer
import (
"testing"
"time"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
func IDS(t *testing.T, ids string) ID {
id, err := IDB58Decode(ids)
if err != nil {
t.Fatalf("id %q is bad: %s", ids, err)
}
return id
}
func MA(t *testing.T, m string) ma.Multiaddr {
maddr, err := ma.NewMultiaddr(m)
if err != nil {
t.Fatal(err)
}
return maddr
}
func testHas(t *testing.T, exp, act []ma.Multiaddr) {
if len(exp) != len(act) {
t.Fatal("lengths not the same")
}
for _, a := range exp {
found := false
for _, b := range act {
if a.Equal(b) {
found = true
break
}
}
if !found {
t.Fatal("expected address %s not found", a)
}
}
}
func TestAddresses(t *testing.T) {
id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
id2 := IDS(t, "QmRmPL3FDZKE3Qiwv1RosLdwdvbvg17b2hB39QPScgWKKZ")
id3 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ6Kn")
id4 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ5Kn")
id5 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ5Km")
ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
ma21 := MA(t, "/ip4/2.2.3.2/tcp/1111")
ma22 := MA(t, "/ip4/2.2.3.2/tcp/2222")
ma31 := MA(t, "/ip4/3.2.3.3/tcp/1111")
ma32 := MA(t, "/ip4/3.2.3.3/tcp/2222")
ma33 := MA(t, "/ip4/3.2.3.3/tcp/3333")
ma41 := MA(t, "/ip4/4.2.3.3/tcp/1111")
ma42 := MA(t, "/ip4/4.2.3.3/tcp/2222")
ma43 := MA(t, "/ip4/4.2.3.3/tcp/3333")
ma44 := MA(t, "/ip4/4.2.3.3/tcp/4444")
ma51 := MA(t, "/ip4/5.2.3.3/tcp/1111")
ma52 := MA(t, "/ip4/5.2.3.3/tcp/2222")
ma53 := MA(t, "/ip4/5.2.3.3/tcp/3333")
ma54 := MA(t, "/ip4/5.2.3.3/tcp/4444")
ma55 := MA(t, "/ip4/5.2.3.3/tcp/5555")
ttl := time.Hour
m := AddrManager{}
m.AddAddr(id1, ma11, ttl)
m.AddAddrs(id2, []ma.Multiaddr{ma21, ma22}, ttl)
m.AddAddrs(id2, []ma.Multiaddr{ma21, ma22}, ttl) // idempotency
m.AddAddr(id3, ma31, ttl)
m.AddAddr(id3, ma32, ttl)
m.AddAddr(id3, ma33, ttl)
m.AddAddr(id3, ma33, ttl) // idempotency
m.AddAddr(id3, ma33, ttl)
m.AddAddrs(id4, []ma.Multiaddr{ma41, ma42, ma43, ma44}, ttl) // multiple
m.AddAddrs(id5, []ma.Multiaddr{ma21, ma22}, ttl) // clearing
m.AddAddrs(id5, []ma.Multiaddr{ma41, ma42, ma43, ma44}, ttl) // clearing
m.ClearAddrs(id5)
m.AddAddrs(id5, []ma.Multiaddr{ma51, ma52, ma53, ma54, ma55}, ttl) // clearing
// test the Addresses return value
testHas(t, []ma.Multiaddr{ma11}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
testHas(t, []ma.Multiaddr{ma31, ma32, ma33}, m.Addrs(id3))
testHas(t, []ma.Multiaddr{ma41, ma42, ma43, ma44}, m.Addrs(id4))
testHas(t, []ma.Multiaddr{ma51, ma52, ma53, ma54, ma55}, m.Addrs(id5))
}
func TestAddressesExpire(t *testing.T) {
id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
id2 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQM")
ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
ma12 := MA(t, "/ip4/2.2.3.2/tcp/2222")
ma13 := MA(t, "/ip4/3.2.3.3/tcp/3333")
ma24 := MA(t, "/ip4/4.2.3.3/tcp/4444")
ma25 := MA(t, "/ip4/5.2.3.3/tcp/5555")
m := AddrManager{}
m.AddAddr(id1, ma11, time.Hour)
m.AddAddr(id1, ma12, time.Hour)
m.AddAddr(id1, ma13, time.Hour)
m.AddAddr(id2, ma24, time.Hour)
m.AddAddr(id2, ma25, time.Hour)
testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
m.SetAddr(id1, ma11, 2*time.Hour)
m.SetAddr(id1, ma12, 2*time.Hour)
m.SetAddr(id1, ma13, 2*time.Hour)
m.SetAddr(id2, ma24, 2*time.Hour)
m.SetAddr(id2, ma25, 2*time.Hour)
testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
m.SetAddr(id1, ma11, time.Millisecond)
<-time.After(time.Millisecond)
testHas(t, []ma.Multiaddr{ma12, ma13}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
m.SetAddr(id1, ma13, time.Millisecond)
<-time.After(time.Millisecond)
testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
m.SetAddr(id2, ma24, time.Millisecond)
<-time.After(time.Millisecond)
testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma25}, m.Addrs(id2))
m.SetAddr(id2, ma25, time.Millisecond)
<-time.After(time.Millisecond)
testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
testHas(t, nil, m.Addrs(id2))
m.SetAddr(id1, ma12, time.Millisecond)
<-time.After(time.Millisecond)
testHas(t, nil, m.Addrs(id1))
testHas(t, nil, m.Addrs(id2))
}
func TestClearWorks(t *testing.T) {
id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
id2 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQM")
ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
ma12 := MA(t, "/ip4/2.2.3.2/tcp/2222")
ma13 := MA(t, "/ip4/3.2.3.3/tcp/3333")
ma24 := MA(t, "/ip4/4.2.3.3/tcp/4444")
ma25 := MA(t, "/ip4/5.2.3.3/tcp/5555")
m := AddrManager{}
m.AddAddr(id1, ma11, time.Hour)
m.AddAddr(id1, ma12, time.Hour)
m.AddAddr(id1, ma13, time.Hour)
m.AddAddr(id2, ma24, time.Hour)
m.AddAddr(id2, ma25, time.Hour)
testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
m.ClearAddrs(id1)
m.ClearAddrs(id2)
testHas(t, nil, m.Addrs(id1))
testHas(t, nil, m.Addrs(id2))
}

63
p2p/peer/metrics.go
View File

@@ -1,63 +0,0 @@
package peer
import (
"sync"
"time"
)
// LatencyEWMASmooting governs the decay of the EWMA (the speed
// at which it changes). This must be a normalized (0-1) value.
// 1 is 100% change, 0 is no change.
var LatencyEWMASmoothing = 0.1
// Metrics is just an object that tracks metrics
// across a set of peers.
type Metrics interface {
// RecordLatency records a new latency measurement
RecordLatency(ID, time.Duration)
// LatencyEWMA returns an exponentially-weighted moving avg.
// of all measurements of a peer's latency.
LatencyEWMA(ID) time.Duration
}
type metrics struct {
latmap map[ID]time.Duration
latmu sync.RWMutex
}
func NewMetrics() Metrics {
return &metrics{
latmap: make(map[ID]time.Duration),
}
}
// RecordLatency records a new latency measurement
func (m *metrics) RecordLatency(p ID, next time.Duration) {
nextf := float64(next)
s := LatencyEWMASmoothing
if s > 1 || s < 0 {
s = 0.1 // ignore the knob. it's broken. look, it jiggles.
}
m.latmu.Lock()
ewma, found := m.latmap[p]
ewmaf := float64(ewma)
if !found {
m.latmap[p] = next // when no data, just take it as the mean.
} else {
nextf = ((1.0 - s) * ewmaf) + (s * nextf)
m.latmap[p] = time.Duration(nextf)
}
m.latmu.Unlock()
}
// LatencyEWMA returns an exponentially-weighted moving avg.
// of all measurements of a peer's latency.
func (m *metrics) LatencyEWMA(p ID) time.Duration {
m.latmu.RLock()
lat := m.latmap[p]
m.latmu.RUnlock()
return time.Duration(lat)
}

40
p2p/peer/metrics_test.go
View File

@@ -1,40 +0,0 @@
package peer_test
import (
"fmt"
"math/rand"
"testing"
"time"
peer "github.com/ipfs/go-libp2p/p2p/peer"
testutil "github.com/ipfs/go-libp2p/testutil"
)
func TestLatencyEWMAFun(t *testing.T) {
t.Skip("run it for fun")
m := peer.NewMetrics()
id, err := testutil.RandPeerID()
if err != nil {
t.Fatal(err)
}
mu := 100.0
sig := 10.0
next := func() time.Duration {
mu = (rand.NormFloat64() * sig) + mu
return time.Duration(mu)
}
print := func() {
fmt.Printf("%3.f %3.f --> %d\n", sig, mu, m.LatencyEWMA(id))
}
for {
select {
case <-time.After(200 * time.Millisecond):
m.RecordLatency(id, next())
print()
}
}
}

185
p2p/peer/peer.go
View File

@@ -1,185 +0,0 @@
// package peer implements an object used to represent peers in the ipfs network.
package peer
import (
"encoding/hex"
"encoding/json"
"fmt"
"strings"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
b58 "gx/ipfs/QmT8rehPR3F6bmwL6zjUN8XpiDBFFpMP2myPdC6ApsWfJf/go-base58"
mh "gx/ipfs/QmYf7ng2hG5XBtJA3tN34DQ2GUN5HNksEw1rLDkmr6vGku/go-multihash"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log" // ID represents the identity of a peer.
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
var log = logging.Logger("peer")
type ID string
// Pretty returns a b58-encoded string of the ID
func (id ID) Pretty() string {
return IDB58Encode(id)
}
func (id ID) Loggable() map[string]interface{} {
return map[string]interface{}{
"peerID": id.Pretty(),
}
}
// String prints out the peer.
//
// TODO(brian): ensure correctness at ID generation and
// enforce this by only exposing functions that generate
// IDs safely. Then any peer.ID type found in the
// codebase is known to be correct.
func (id ID) String() string {
pid := id.Pretty()
//All sha256 nodes start with Qm
//We can skip the Qm to make the peer.ID more useful
if strings.HasPrefix(pid, "Qm") {
pid = pid[2:]
}
maxRunes := 6
if len(pid) < maxRunes {
maxRunes = len(pid)
}
return fmt.Sprintf("<peer.ID %s>", pid[:maxRunes])
}
// MatchesPrivateKey tests whether this ID was derived from sk
func (id ID) MatchesPrivateKey(sk ic.PrivKey) bool {
return id.MatchesPublicKey(sk.GetPublic())
}
// MatchesPublicKey tests whether this ID was derived from pk
func (id ID) MatchesPublicKey(pk ic.PubKey) bool {
oid, err := IDFromPublicKey(pk)
if err != nil {
return false
}
return oid == id
}
// IDFromString cast a string to ID type, and validate
// the id to make sure it is a multihash.
func IDFromString(s string) (ID, error) {
if _, err := mh.Cast([]byte(s)); err != nil {
return ID(""), err
}
return ID(s), nil
}
// IDFromBytes cast a string to ID type, and validate
// the id to make sure it is a multihash.
func IDFromBytes(b []byte) (ID, error) {
if _, err := mh.Cast(b); err != nil {
return ID(""), err
}
return ID(b), nil
}
// IDB58Decode returns a b58-decoded Peer
func IDB58Decode(s string) (ID, error) {
m, err := mh.FromB58String(s)
if err != nil {
return "", err
}
return ID(m), err
}
// IDB58Encode returns b58-encoded string
func IDB58Encode(id ID) string {
return b58.Encode([]byte(id))
}
// IDHexDecode returns a b58-decoded Peer
func IDHexDecode(s string) (ID, error) {
m, err := mh.FromHexString(s)
if err != nil {
return "", err
}
return ID(m), err
}
// IDHexEncode returns b58-encoded string
func IDHexEncode(id ID) string {
return hex.EncodeToString([]byte(id))
}
// IDFromPublicKey returns the Peer ID corresponding to pk
func IDFromPublicKey(pk ic.PubKey) (ID, error) {
b, err := pk.Bytes()
if err != nil {
return "", err
}
hash := u.Hash(b)
return ID(hash), nil
}
// IDFromPrivateKey returns the Peer ID corresponding to sk
func IDFromPrivateKey(sk ic.PrivKey) (ID, error) {
return IDFromPublicKey(sk.GetPublic())
}
// Map maps a Peer ID to a struct.
type Set map[ID]struct{}
// PeerInfo is a small struct used to pass around a peer with
// a set of addresses (and later, keys?). This is not meant to be
// a complete view of the system, but rather to model updates to
// the peerstore. It is used by things like the routing system.
type PeerInfo struct {
ID ID
Addrs []ma.Multiaddr
}
func (pi *PeerInfo) Loggable() map[string]interface{} {
return map[string]interface{}{
"peerID": pi.ID.Pretty(),
"addrs": pi.Addrs,
}
}
func (pi *PeerInfo) MarshalJSON() ([]byte, error) {
out := make(map[string]interface{})
out["ID"] = IDB58Encode(pi.ID)
var addrs []string
for _, a := range pi.Addrs {
addrs = append(addrs, a.String())
}
out["Addrs"] = addrs
return json.Marshal(out)
}
func (pi *PeerInfo) UnmarshalJSON(b []byte) error {
var data map[string]interface{}
err := json.Unmarshal(b, &data)
if err != nil {
return err
}
pid, err := IDB58Decode(data["ID"].(string))
if err != nil {
return err
}
pi.ID = pid
addrs, ok := data["Addrs"].([]interface{})
if ok {
for _, a := range addrs {
pi.Addrs = append(pi.Addrs, ma.StringCast(a.(string)))
}
}
return nil
}
// IDSlice for sorting peers
type IDSlice []ID
func (es IDSlice) Len() int { return len(es) }
func (es IDSlice) Swap(i, j int) { es[i], es[j] = es[j], es[i] }
func (es IDSlice) Less(i, j int) bool { return string(es[i]) < string(es[j]) }

163
p2p/peer/peer_test.go
View File

@@ -1,163 +0,0 @@
package peer_test
import (
"encoding/base64"
"fmt"
"strings"
"testing"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
. "github.com/ipfs/go-libp2p/p2p/peer"
tu "github.com/ipfs/go-libp2p/testutil"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
b58 "gx/ipfs/QmT8rehPR3F6bmwL6zjUN8XpiDBFFpMP2myPdC6ApsWfJf/go-base58"
)
var gen1 keyset // generated
var gen2 keyset // generated
var man keyset // manual
func init() {
if err := gen1.generate(); err != nil {
panic(err)
}
if err := gen2.generate(); err != nil {
panic(err)
}
skManBytes = strings.Replace(skManBytes, "\n", "", -1)
if err := man.load(hpkpMan, skManBytes); err != nil {
panic(err)
}
}
type keyset struct {
sk ic.PrivKey
pk ic.PubKey
hpk string
hpkp string
}
func (ks *keyset) generate() error {
var err error
ks.sk, ks.pk, err = tu.RandTestKeyPair(512)
if err != nil {
return err
}
bpk, err := ks.pk.Bytes()
if err != nil {
return err
}
ks.hpk = string(u.Hash(bpk))
ks.hpkp = b58.Encode([]byte(ks.hpk))
return nil
}
func (ks *keyset) load(hpkp, skBytesStr string) error {
skBytes, err := base64.StdEncoding.DecodeString(skBytesStr)
if err != nil {
return err
}
ks.sk, err = ic.UnmarshalPrivateKey(skBytes)
if err != nil {
return err
}
ks.pk = ks.sk.GetPublic()
bpk, err := ks.pk.Bytes()
if err != nil {
return err
}
ks.hpk = string(u.Hash(bpk))
ks.hpkp = b58.Encode([]byte(ks.hpk))
if ks.hpkp != hpkp {
return fmt.Errorf("hpkp doesn't match key. %s", hpkp)
}
return nil
}
func TestIDMatchesPublicKey(t *testing.T) {
test := func(ks keyset) {
p1, err := IDB58Decode(ks.hpkp)
if err != nil {
t.Fatal(err)
}
if ks.hpk != string(p1) {
t.Error("p1 and hpk differ")
}
if !p1.MatchesPublicKey(ks.pk) {
t.Fatal("p1 does not match pk")
}
p2, err := IDFromPublicKey(ks.pk)
if err != nil {
t.Fatal(err)
}
if p1 != p2 {
t.Error("p1 and p2 differ", p1.Pretty(), p2.Pretty())
}
if p2.Pretty() != ks.hpkp {
t.Error("hpkp and p2.Pretty differ", ks.hpkp, p2.Pretty())
}
}
test(gen1)
test(gen2)
test(man)
}
func TestIDMatchesPrivateKey(t *testing.T) {
test := func(ks keyset) {
p1, err := IDB58Decode(ks.hpkp)
if err != nil {
t.Fatal(err)
}
if ks.hpk != string(p1) {
t.Error("p1 and hpk differ")
}
if !p1.MatchesPrivateKey(ks.sk) {
t.Fatal("p1 does not match sk")
}
p2, err := IDFromPrivateKey(ks.sk)
if err != nil {
t.Fatal(err)
}
if p1 != p2 {
t.Error("p1 and p2 differ", p1.Pretty(), p2.Pretty())
}
}
test(gen1)
test(gen2)
test(man)
}
var hpkpMan = `QmRK3JgmVEGiewxWbhpXLJyjWuGuLeSTMTndA1coMHEy5o`
var skManBytes = `
CAAS4AQwggJcAgEAAoGBAL7w+Wc4VhZhCdM/+Hccg5Nrf4q9NXWwJylbSrXz/unFS24wyk6pEk0zi3W
7li+vSNVO+NtJQw9qGNAMtQKjVTP+3Vt/jfQRnQM3s6awojtjueEWuLYVt62z7mofOhCtj+VwIdZNBo
/EkLZ0ETfcvN5LVtLYa8JkXybnOPsLvK+PAgMBAAECgYBdk09HDM7zzL657uHfzfOVrdslrTCj6p5mo
DzvCxLkkjIzYGnlPuqfNyGjozkpSWgSUc+X+EGLLl3WqEOVdWJtbM61fewEHlRTM5JzScvwrJ39t7o6
CCAjKA0cBWBd6UWgbN/t53RoWvh9HrA2AW5YrT0ZiAgKe9y7EMUaENVJ8QJBAPhpdmb4ZL4Fkm4OKia
NEcjzn6mGTlZtef7K/0oRC9+2JkQnCuf6HBpaRhJoCJYg7DW8ZY+AV6xClKrgjBOfERMCQQDExhnzu2
dsQ9k8QChBlpHO0TRbZBiQfC70oU31kM1AeLseZRmrxv9Yxzdl8D693NNWS2JbKOXl0kMHHcuGQLMVA
kBZ7WvkmPV3aPL6jnwp2pXepntdVnaTiSxJ1dkXShZ/VSSDNZMYKY306EtHrIu3NZHtXhdyHKcggDXr
qkBrdgErAkAlpGPojUwemOggr4FD8sLX1ot2hDJyyV7OK2FXfajWEYJyMRL1Gm9Uk1+Un53RAkJneqp
JGAzKpyttXBTIDO51AkEA98KTiROMnnU8Y6Mgcvr68/SMIsvCYMt9/mtwSBGgl80VaTQ5Hpaktl6Xbh
VUt5Wv0tRxlXZiViCGCD1EtrrwTw==
`

232
p2p/peer/peerstore.go
View File

@@ -1,232 +0,0 @@
package peer
import (
"errors"
"sync"
"time"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
//ds "github.com/jbenet/go-datastore"
//dssync "github.com/jbenet/go-datastore/sync"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)
const (
// AddressTTL is the expiration time of addresses.
AddressTTL = time.Hour
)
// Peerstore provides a threadsafe store of Peer related
// information.
type Peerstore interface {
AddrBook
KeyBook
Metrics
// Peers returns a list of all peer.IDs in this Peerstore
Peers() []ID
// PeerInfo returns a peer.PeerInfo struct for given peer.ID.
// This is a small slice of the information Peerstore has on
// that peer, useful to other services.
PeerInfo(ID) PeerInfo
// Get/Put is a simple registry for other peer-related key/value pairs.
// if we find something we use often, it should become its own set of
// methods. this is a last resort.
Get(id ID, key string) (interface{}, error)
Put(id ID, key string, val interface{}) error
}
// AddrBook is an interface that fits the new AddrManager. I'm patching
// it up in here to avoid changing a ton of the codebase.
type AddrBook interface {
// AddAddr calls AddAddrs(p, []ma.Multiaddr{addr}, ttl)
AddAddr(p ID, addr ma.Multiaddr, ttl time.Duration)
// AddAddrs gives AddrManager addresses to use, with a given ttl
// (time-to-live), after which the address is no longer valid.
// If the manager has a longer TTL, the operation is a no-op for that address
AddAddrs(p ID, addrs []ma.Multiaddr, ttl time.Duration)
// SetAddr calls mgr.SetAddrs(p, addr, ttl)
SetAddr(p ID, addr ma.Multiaddr, ttl time.Duration)
// SetAddrs sets the ttl on addresses. This clears any TTL there previously.
// This is used when we receive the best estimate of the validity of an address.
SetAddrs(p ID, addrs []ma.Multiaddr, ttl time.Duration)
// Addresses returns all known (and valid) addresses for a given
Addrs(p ID) []ma.Multiaddr
// ClearAddresses removes all previously stored addresses
ClearAddrs(p ID)
}
// KeyBook tracks the Public keys of Peers.
type KeyBook interface {
PubKey(ID) ic.PubKey
AddPubKey(ID, ic.PubKey) error
PrivKey(ID) ic.PrivKey
AddPrivKey(ID, ic.PrivKey) error
}
type keybook struct {
pks map[ID]ic.PubKey
sks map[ID]ic.PrivKey
sync.RWMutex // same lock. wont happen a ton.
}
func newKeybook() *keybook {
return &keybook{
pks: map[ID]ic.PubKey{},
sks: map[ID]ic.PrivKey{},
}
}
func (kb *keybook) Peers() []ID {
kb.RLock()
ps := make([]ID, 0, len(kb.pks)+len(kb.sks))
for p := range kb.pks {
ps = append(ps, p)
}
for p := range kb.sks {
if _, found := kb.pks[p]; !found {
ps = append(ps, p)
}
}
kb.RUnlock()
return ps
}
func (kb *keybook) PubKey(p ID) ic.PubKey {
kb.RLock()
pk := kb.pks[p]
kb.RUnlock()
return pk
}
func (kb *keybook) AddPubKey(p ID, pk ic.PubKey) error {
// check it's correct first
if !p.MatchesPublicKey(pk) {
return errors.New("ID does not match PublicKey")
}
kb.Lock()
kb.pks[p] = pk
kb.Unlock()
return nil
}
func (kb *keybook) PrivKey(p ID) ic.PrivKey {
kb.RLock()
sk := kb.sks[p]
kb.RUnlock()
return sk
}
func (kb *keybook) AddPrivKey(p ID, sk ic.PrivKey) error {
if sk == nil {
return errors.New("sk is nil (PrivKey)")
}
// check it's correct first
if !p.MatchesPrivateKey(sk) {
return errors.New("ID does not match PrivateKey")
}
kb.Lock()
kb.sks[p] = sk
kb.Unlock()
return nil
}
type peerstore struct {
keybook
metrics
AddrManager
// store other data, like versions
//ds ds.ThreadSafeDatastore
// TODO: use a datastore for this
ds map[string]interface{}
dslock sync.Mutex
}
// NewPeerstore creates a threadsafe collection of peers.
func NewPeerstore() Peerstore {
return &peerstore{
keybook: *newKeybook(),
metrics: *(NewMetrics()).(*metrics),
AddrManager: AddrManager{},
//ds: dssync.MutexWrap(ds.NewMapDatastore()),
ds: make(map[string]interface{}),
}
}
func (ps *peerstore) Put(p ID, key string, val interface{}) error {
//dsk := ds.NewKey(string(p) + "/" + key)
//return ps.ds.Put(dsk, val)
ps.dslock.Lock()
defer ps.dslock.Unlock()
ps.ds[string(p)+"/"+key] = val
return nil
}
func (ps *peerstore) Get(p ID, key string) (interface{}, error) {
//dsk := ds.NewKey(string(p) + "/" + key)
//return ps.ds.Get(dsk)
ps.dslock.Lock()
defer ps.dslock.Unlock()
i, ok := ps.ds[string(p)+"/"+key]
if !ok {
return nil, errors.New("item not found")
}
return i, nil
}
func (ps *peerstore) Peers() []ID {
set := map[ID]struct{}{}
for _, p := range ps.keybook.Peers() {
set[p] = struct{}{}
}
for _, p := range ps.AddrManager.Peers() {
set[p] = struct{}{}
}
pps := make([]ID, 0, len(set))
for p := range set {
pps = append(pps, p)
}
return pps
}
func (ps *peerstore) PeerInfo(p ID) PeerInfo {
return PeerInfo{
ID: p,
Addrs: ps.AddrManager.Addrs(p),
}
}
func PeerInfos(ps Peerstore, peers []ID) []PeerInfo {
pi := make([]PeerInfo, len(peers))
for i, p := range peers {
pi[i] = ps.PeerInfo(p)
}
return pi
}
func PeerInfoIDs(pis []PeerInfo) []ID {
ps := make([]ID, len(pis))
for i, pi := range pis {
ps[i] = pi.ID
}
return ps
}

100
p2p/peer/queue/distance.go
View File

@@ -1,100 +0,0 @@
package queue
import (
"container/heap"
"math/big"
"sync"
peer "github.com/ipfs/go-libp2p/p2p/peer"
ks "gx/ipfs/QmUusaX99BZoELh7dmPgirqRQ1FAmMnmnBn3oiqDFGBUSc/go-keyspace"
)
// peerMetric tracks a peer and its distance to something else.
type peerMetric struct {
// the peer
peer peer.ID
// big.Int for XOR metric
metric *big.Int
}
// peerMetricHeap implements a heap of peerDistances
type peerMetricHeap []*peerMetric
func (ph peerMetricHeap) Len() int {
return len(ph)
}
func (ph peerMetricHeap) Less(i, j int) bool {
return -1 == ph[i].metric.Cmp(ph[j].metric)
}
func (ph peerMetricHeap) Swap(i, j int) {
ph[i], ph[j] = ph[j], ph[i]
}
func (ph *peerMetricHeap) Push(x interface{}) {
item := x.(*peerMetric)
*ph = append(*ph, item)
}
func (ph *peerMetricHeap) Pop() interface{} {
old := *ph
n := len(old)
item := old[n-1]
*ph = old[0 : n-1]
return item
}
// distancePQ implements heap.Interface and PeerQueue
type distancePQ struct {
// from is the Key this PQ measures against
from ks.Key
// heap is a heap of peerDistance items
heap peerMetricHeap
sync.RWMutex
}
func (pq *distancePQ) Len() int {
pq.Lock()
defer pq.Unlock()
return len(pq.heap)
}
func (pq *distancePQ) Enqueue(p peer.ID) {
pq.Lock()
defer pq.Unlock()
distance := ks.XORKeySpace.Key([]byte(p)).Distance(pq.from)
heap.Push(&pq.heap, &peerMetric{
peer: p,
metric: distance,
})
}
func (pq *distancePQ) Dequeue() peer.ID {
pq.Lock()
defer pq.Unlock()
if len(pq.heap) < 1 {
panic("called Dequeue on an empty PeerQueue")
// will panic internally anyway, but we can help debug here
}
o := heap.Pop(&pq.heap)
p := o.(*peerMetric)
return p.peer
}
// NewXORDistancePQ returns a PeerQueue which maintains its peers sorted
// in terms of their distances to each other in an XORKeySpace (i.e. using
// XOR as a metric of distance).
func NewXORDistancePQ(from string) PeerQueue {
return &distancePQ{
from: ks.XORKeySpace.Key([]byte(from)),
heap: peerMetricHeap{},
}
}

18
p2p/peer/queue/interface.go
View File

@@ -1,18 +0,0 @@
package queue
import peer "github.com/ipfs/go-libp2p/p2p/peer"
// PeerQueue maintains a set of peers ordered according to a metric.
// Implementations of PeerQueue could order peers based on distances along
// a KeySpace, latency measurements, trustworthiness, reputation, etc.
type PeerQueue interface {
// Len returns the number of items in PeerQueue
Len() int
// Enqueue adds this node to the queue.
Enqueue(peer.ID)
// Dequeue retrieves the highest (smallest int) priority node
Dequeue() peer.ID
}

140
p2p/peer/queue/queue_test.go
View File

@@ -1,140 +0,0 @@
package queue
import (
"fmt"
"sync"
"testing"
"time"
peer "github.com/ipfs/go-libp2p/p2p/peer"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)
func TestQueue(t *testing.T) {
p1 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31") // these aren't valid, because need to hex-decode.
p2 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a32") // these aren't valid, because need to hex-decode.
p3 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33") // these aren't valid, because need to hex-decode.
p4 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a34") // these aren't valid, because need to hex-decode.
p5 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31") // these aren't valid, because need to hex-decode.
// but they work.
// these are the peer.IDs' XORKeySpace Key values:
// [228 47 151 130 156 102 222 232 218 31 132 94 170 208 80 253 120 103 55 35 91 237 48 157 81 245 57 247 66 150 9 40]
// [26 249 85 75 54 49 25 30 21 86 117 62 85 145 48 175 155 194 210 216 58 14 241 143 28 209 129 144 122 28 163 6]
// [78 135 26 216 178 181 224 181 234 117 2 248 152 115 255 103 244 34 4 152 193 88 9 225 8 127 216 158 226 8 236 246]
// [125 135 124 6 226 160 101 94 192 57 39 12 18 79 121 140 190 154 147 55 44 83 101 151 63 255 94 179 51 203 241 51]
pq := NewXORDistancePQ("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")
pq.Enqueue(p3)
pq.Enqueue(p1)
pq.Enqueue(p2)
pq.Enqueue(p4)
pq.Enqueue(p5)
pq.Enqueue(p1)
// should come out as: p1, p4, p3, p2
if d := pq.Dequeue(); d != p1 && d != p5 {
t.Error("ordering failed")
}
if d := pq.Dequeue(); d != p1 && d != p5 {
t.Error("ordering failed")
}
if d := pq.Dequeue(); d != p1 && d != p5 {
t.Error("ordering failed")
}
if pq.Dequeue() != p4 {
t.Error("ordering failed")
}
if pq.Dequeue() != p3 {
t.Error("ordering failed")
}
if pq.Dequeue() != p2 {
t.Error("ordering failed")
}
}
func newPeerTime(t time.Time) peer.ID {
s := fmt.Sprintf("hmmm time: %v", t)
h := u.Hash([]byte(s))
return peer.ID(h)
}
func TestSyncQueue(t *testing.T) {
tickT := time.Microsecond * 50
max := 5000
consumerN := 10
countsIn := make([]int, consumerN*2)
countsOut := make([]int, consumerN)
if testing.Short() {
max = 1000
}
ctx := context.Background()
pq := NewXORDistancePQ("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")
cq := NewChanQueue(ctx, pq)
wg := sync.WaitGroup{}
produce := func(p int) {
defer wg.Done()
tick := time.Tick(tickT)
for i := 0; i < max; i++ {
select {
case tim := <-tick:
countsIn[p]++
cq.EnqChan <- newPeerTime(tim)
case <-ctx.Done():
return
}
}
}
consume := func(c int) {
defer wg.Done()
for {
select {
case <-cq.DeqChan:
countsOut[c]++
if countsOut[c] >= max*2 {
return
}
case <-ctx.Done():
return
}
}
}
// make n * 2 producers and n consumers
for i := 0; i < consumerN; i++ {
wg.Add(3)
go produce(i)
go produce(consumerN + i)
go consume(i)
}
wg.Wait()
sum := func(ns []int) int {
total := 0
for _, n := range ns {
total += n
}
return total
}
if sum(countsIn) != sum(countsOut) {
t.Errorf("didnt get all of them out: %d/%d", sum(countsOut), sum(countsIn))
}
}

84
p2p/peer/queue/sync.go
View File

@@ -1,84 +0,0 @@
package queue
import (
peer "github.com/ipfs/go-libp2p/p2p/peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
)
var log = logging.Logger("peerqueue")
// ChanQueue makes any PeerQueue synchronizable through channels.
type ChanQueue struct {
Queue PeerQueue
EnqChan chan<- peer.ID
DeqChan <-chan peer.ID
}
// NewChanQueue creates a ChanQueue by wrapping pq.
func NewChanQueue(ctx context.Context, pq PeerQueue) *ChanQueue {
cq := &ChanQueue{Queue: pq}
cq.process(ctx)
return cq
}
func (cq *ChanQueue) process(ctx context.Context) {
// construct the channels here to be able to use them bidirectionally
enqChan := make(chan peer.ID)
deqChan := make(chan peer.ID)
cq.EnqChan = enqChan
cq.DeqChan = deqChan
go func() {
log.Debug("processing")
defer log.Debug("closed")
defer close(deqChan)
var next peer.ID
var item peer.ID
var more bool
for {
if cq.Queue.Len() == 0 {
// log.Debug("wait for enqueue")
select {
case next, more = <-enqChan:
if !more {
return
}
// log.Debug("got", next)
case <-ctx.Done():
return
}
} else {
next = cq.Queue.Dequeue()
// log.Debug("peek", next)
}
select {
case item, more = <-enqChan:
if !more {
if cq.Queue.Len() > 0 {
return // we're done done.
}
enqChan = nil // closed, so no use.
}
// log.Debug("got", item)
cq.Queue.Enqueue(item)
cq.Queue.Enqueue(next) // order may have changed.
next = ""
case deqChan <- next:
// log.Debug("dequeued", next)
next = ""
case <-ctx.Done():
return
}
}
}()
}

4
p2p/protocol/identify/id.go
View File

@@ -7,15 +7,15 @@ import (
host "github.com/ipfs/go-libp2p/p2p/host"
mstream "github.com/ipfs/go-libp2p/p2p/metrics/stream"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
pb "github.com/ipfs/go-libp2p/p2p/protocol/identify/pb"
msmux "gx/ipfs/QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB/go-multistream"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ggio "gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/io"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
semver "gx/ipfs/QmcrrEpx3VMUbrbgVroH3YiYyUS5c4YAykzyPJWKspUYLa/go-semver/semver"
lgbl "github.com/ipfs/go-libp2p/loggables"
lgbl "gx/ipfs/QmSyBhZt2upyQ3NJmTpab1pX6hesA59vcYTGmgoDorZZbw/go-libp2p-loggables"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
)

2
p2p/protocol/identify/id_test.go
View File

@@ -5,9 +5,9 @@ import (
"time"
host "github.com/ipfs/go-libp2p/p2p/host"
peer "github.com/ipfs/go-libp2p/p2p/peer"
identify "github.com/ipfs/go-libp2p/p2p/protocol/identify"
testutil "github.com/ipfs/go-libp2p/p2p/test/util"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

3
p2p/protocol/identify/obsaddr.go
View File

@@ -4,8 +4,7 @@ import (
"sync"
"time"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

2
p2p/protocol/ping/ping.go
View File

@@ -8,7 +8,7 @@ import (
host "github.com/ipfs/go-libp2p/p2p/host"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"

2
p2p/protocol/ping/ping_test.go
View File

@@ -4,8 +4,8 @@ import (
"testing"
"time"
peer "github.com/ipfs/go-libp2p/p2p/peer"
netutil "github.com/ipfs/go-libp2p/p2p/test/util"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)

2
p2p/protocol/relay/relay.go
View File

@@ -7,8 +7,8 @@ import (
host "github.com/ipfs/go-libp2p/p2p/host"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
mh "gx/ipfs/QmYf7ng2hG5XBtJA3tN34DQ2GUN5HNksEw1rLDkmr6vGku/go-multihash"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"

2
p2p/test/backpressure/backpressure_test.go
View File

@@ -8,9 +8,9 @@ import (
host "github.com/ipfs/go-libp2p/p2p/host"
inet "github.com/ipfs/go-libp2p/p2p/net"
peer "github.com/ipfs/go-libp2p/p2p/peer"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
testutil "github.com/ipfs/go-libp2p/p2p/test/util"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"

4
p2p/test/util/key.go
View File

@@ -5,10 +5,10 @@ import (
"io"
"testing"
ic "github.com/ipfs/go-libp2p/p2p/crypto"
peer "github.com/ipfs/go-libp2p/p2p/peer"
testutil "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
ic "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
logging "gx/ipfs/Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH/go-log"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

2
p2p/test/util/util.go
View File

@@ -7,8 +7,8 @@ import (
metrics "github.com/ipfs/go-libp2p/p2p/metrics"
inet "github.com/ipfs/go-libp2p/p2p/net"
swarm "github.com/ipfs/go-libp2p/p2p/net/swarm"
peer "github.com/ipfs/go-libp2p/p2p/peer"
tu "github.com/ipfs/go-libp2p/testutil"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"

83
package.json
View File

@@ -1,153 +1,162 @@
{
"name": "go-libp2p",
"author": "whyrusleeping",
"bugs": {},
"gx": {
"dvcsimport": "github.com/ipfs/go-libp2p"
},
"version": "2.0.1",
"gxDependencies": [
{
"hash": "QmcrrEpx3VMUbrbgVroH3YiYyUS5c4YAykzyPJWKspUYLa",
"name": "go-semver",
"hash": "QmcrrEpx3VMUbrbgVroH3YiYyUS5c4YAykzyPJWKspUYLa",
"version": "0.0.0"
},
{
"hash": "QmSscYPCcE1H3UQr2tnsJ2a9dK9LsHTBGgP71VW6fz67e5",
"name": "mdns",
"hash": "QmSscYPCcE1H3UQr2tnsJ2a9dK9LsHTBGgP71VW6fz67e5",
"version": "0.0.0"
},
{
"hash": "QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL",
"name": "go-msgio",
"hash": "QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL",
"version": "0.0.0"
},
{
"hash": "QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1",
"name": "go-ipfs-util",
"hash": "QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1",
"version": "1.0.0"
},
{
"hash": "QmUusaX99BZoELh7dmPgirqRQ1FAmMnmnBn3oiqDFGBUSc",
"name": "go-keyspace",
"hash": "QmUusaX99BZoELh7dmPgirqRQ1FAmMnmnBn3oiqDFGBUSc",
"version": "1.0.0"
},
{
"hash": "QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB",
"name": "go-multistream",
"hash": "QmUeEcYJrzAEKdQXjzTxCgNZgc9sRuwharsvzzm5Gd2oGB",
"version": "0.0.0"
},
{
"hash": "QmNLvkCDV6ZjUJsEwGNporYBuZdhWT6q7TBVYQwwRv12HT",
"name": "go-nat",
"hash": "QmNLvkCDV6ZjUJsEwGNporYBuZdhWT6q7TBVYQwwRv12HT",
"version": "0.0.0"
},
{
"hash": "QmQHGMVmrsgmqUG8ih3puNXUJneSpi13dkcZpzLKkskUkH",
"name": "go-detect-race",
"hash": "QmQHGMVmrsgmqUG8ih3puNXUJneSpi13dkcZpzLKkskUkH",
"version": "0.0.0"
},
{
"hash": "QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn",
"name": "goprocess",
"hash": "QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn",
"version": "0.0.0"
},
{
"hash": "Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH",
"name": "go-log",
"hash": "Qmazh5oNUVsDZTs2g59rq8aYQqwpss8tcUWQzor5sCCEuH",
"version": "0.0.0"
},
{
"hash": "QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp",
"name": "go-multiaddr-net",
"hash": "QmYVqhVfbK4BKvbW88Lhm26b3ud14sTBvcm1H7uWUx1Fkp",
"version": "0.0.0"
},
{
"hash": "QmYf7ng2hG5XBtJA3tN34DQ2GUN5HNksEw1rLDkmr6vGku",
"name": "go-multihash",
"hash": "QmYf7ng2hG5XBtJA3tN34DQ2GUN5HNksEw1rLDkmr6vGku",
"version": "0.0.0"
},
{
"hash": "QmPwfFAHUmvWDucLHRS9Xz2Kb1TNX2cY4LJ7pQjg9kVcae",
"name": "multiaddr-filter",
"hash": "QmPwfFAHUmvWDucLHRS9Xz2Kb1TNX2cY4LJ7pQjg9kVcae",
"version": "1.0.0"
},
{
"hash": "QmT8rehPR3F6bmwL6zjUN8XpiDBFFpMP2myPdC6ApsWfJf",
"name": "go-base58",
"hash": "QmT8rehPR3F6bmwL6zjUN8XpiDBFFpMP2myPdC6ApsWfJf",
"version": "0.0.0"
},
{
"hash": "Qme1boxspcQWR8FBzMxeppqug2fYgYc15diNWmqgDVnvn2",
"name": "go-crypto",
"hash": "Qme1boxspcQWR8FBzMxeppqug2fYgYc15diNWmqgDVnvn2",
"version": "0.0.0"
},
{
"hash": "QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV",
"name": "gogo-protobuf",
"hash": "QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV",
"version": "0.0.0"
},
{
"hash": "QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz",
"name": "go-multiaddr",
"hash": "QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz",
"version": "0.0.0"
},
{
"hash": "QmeYJHEk8UjVVZ4XCRTZe6dFQrb8pGWD81LYCgeLp8CvMB",
"name": "go-metrics",
"hash": "QmeYJHEk8UjVVZ4XCRTZe6dFQrb8pGWD81LYCgeLp8CvMB",
"version": "0.0.0"
},
{
"hash": "QmYvsG72GsfLgUeSojXArjnU6L4Wmwk7wuAxtNLuyXcc1T",
"name": "randbo",
"hash": "QmYvsG72GsfLgUeSojXArjnU6L4Wmwk7wuAxtNLuyXcc1T",
"version": "0.0.0"
},
{
"hash": "QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt",
"name": "go-net",
"hash": "QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt",
"version": "0.0.0"
},
{
"hash": "QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn",
"name": "go-stream-muxer",
"hash": "QmWSJzRkCMJFHYUQZxKwPX8WA7XipaPtfiwMPARP51ymfn",
"version": "0.0.0"
},
{
"hash": "QmaaC9QMYTQHCbMq3Ebr3uMaAR2ev4AVqMmsJpgQijAZbJ",
"name": "go-reuseport",
"hash": "QmaaC9QMYTQHCbMq3Ebr3uMaAR2ev4AVqMmsJpgQijAZbJ",
"version": "0.0.0"
},
{
"hash": "QmbcS9XrwZkF1rZj8bBwwzoYhVuA2PCnPhFUL1pyWGgt2A",
"name": "go-notifier",
"hash": "QmbcS9XrwZkF1rZj8bBwwzoYhVuA2PCnPhFUL1pyWGgt2A",
"version": "0.0.0"
},
{
"hash": "QmWHgLqrghM9zw77nF6gdvT9ExQ2RB9pLxkd8sDHZf1rWb",
"name": "go-temp-err-catcher",
"hash": "QmWHgLqrghM9zw77nF6gdvT9ExQ2RB9pLxkd8sDHZf1rWb",
"version": "0.0.0"
},
{
"hash": "QmZK81vcgMhpb2t7GNbozk7qzt6Rj4zFqitpvsWT9mduW8",
"name": "go-peerstream",
"hash": "QmZK81vcgMhpb2t7GNbozk7qzt6Rj4zFqitpvsWT9mduW8",
"version": "0.0.0"
},
{
"author": "whyrusleeping",
"hash": "QmWLfU4tstw2aNcTykDm44xbSTCYJ9pUJwfhQCKGwckcHx",
"name": "mafmt",
"hash": "QmWLfU4tstw2aNcTykDm44xbSTCYJ9pUJwfhQCKGwckcHx",
"version": "0.0.0"
},
{
"author": "whyrusleeping",
"hash": "QmTd4Jgb4nbJq5uR55KJgGLyHWmM3dovS21D1HcwRneSLu",
"name": "gorocheck",
"hash": "QmTd4Jgb4nbJq5uR55KJgGLyHWmM3dovS21D1HcwRneSLu",
"version": "0.0.0"
},
{
"author": "whyrusleeping",
"name": "go-libp2p-secio",
"hash": "QmeBhrdD3K5aMCubZMwhAbcCuHbWjTvVbhQX73kFx2qQfs",
"version": "1.0.0"
},
{
"author": "whyrusleeping",
"name": "go-libp2p-transport",
"hash": "QmR4HhZm1fL8epXz8661Ru8ks5Y1Uk2u51quAWaCTD1zHg",
"version": "1.0.0"
}
],
"gxVersion": "0.4.0",
"gx_version": "0.4.0",
"issues_url": "",
"language": "go",
"license": "",
"name": "go-libp2p",
"version": "2.0.1"
"issues_url": "",
"gx_version": "0.4.0",
"gx": {
"dvcsimport": "github.com/ipfs/go-libp2p"
}
}

4
testutil/gen.go
View File

@@ -8,9 +8,9 @@ import (
"sync"
"testing"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
u "gx/ipfs/QmZNVWh8LLjAavuQ2JXuFmuYH3C11xo988vSgp7UQrTRj1/go-ipfs-util"
ci "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)

4
testutil/identity.go
View File

@@ -3,8 +3,8 @@ package testutil
import (
"testing"
ci "github.com/ipfs/go-libp2p/p2p/crypto"
peer "github.com/ipfs/go-libp2p/p2p/peer"
peer "gx/ipfs/QmY1xNhBfF9xA1pmD8yejyQAyd77K68qNN6JPM1CN2eiRu/go-libp2p-peer"
ci "gx/ipfs/QmaP38GJApheTr84f8R89vsT7oJLQw1AeCz4HqrQgv2njB/go-libp2p-crypto"
ma "gx/ipfs/QmcobAGsCjYt5DXoq9et9L8yR8er7o7Cu3DTvpaq12jYSz/go-multiaddr"
)