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628 lines
12 KiB
628 lines
12 KiB
package p2p
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import (
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"fmt"
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"math/rand"
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"net"
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"reflect"
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"testing"
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"time"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/p2p/conn"
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)
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var defaultNodeName = "host_peer"
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func emptyNodeInfo() NodeInfo {
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return DefaultNodeInfo{}
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}
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// newMultiplexTransport returns a tcp connected multiplexed peer
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// using the default MConnConfig. It's a convenience function used
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// for testing.
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func newMultiplexTransport(
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nodeInfo NodeInfo,
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nodeKey NodeKey,
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) *MultiplexTransport {
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return NewMultiplexTransport(
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nodeInfo, nodeKey, conn.DefaultMConnConfig(),
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)
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}
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func TestTransportMultiplexConnFilter(t *testing.T) {
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mt := newMultiplexTransport(
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emptyNodeInfo(),
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NodeKey{
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PrivKey: ed25519.GenPrivKey(),
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},
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)
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MultiplexTransportConnFilters(
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func(_ ConnSet, _ net.Conn, _ []net.IP) error { return nil },
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func(_ ConnSet, _ net.Conn, _ []net.IP) error { return nil },
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func(_ ConnSet, _ net.Conn, _ []net.IP) error {
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return fmt.Errorf("rejected")
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},
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)(mt)
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addr, err := NewNetAddressStringWithOptionalID("127.0.0.1:0")
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if err != nil {
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t.Fatal(err)
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}
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if err := mt.Listen(*addr); err != nil {
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t.Fatal(err)
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}
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errc := make(chan error)
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go func() {
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = addr.Dial()
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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if err := <-errc; err != nil {
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t.Errorf("connection failed: %v", err)
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}
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_, err = mt.Accept(peerConfig{})
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if err, ok := err.(ErrRejected); ok {
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if !err.IsFiltered() {
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t.Errorf("expected peer to be filtered")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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}
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func TestTransportMultiplexConnFilterTimeout(t *testing.T) {
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mt := newMultiplexTransport(
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emptyNodeInfo(),
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NodeKey{
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PrivKey: ed25519.GenPrivKey(),
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},
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)
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MultiplexTransportFilterTimeout(5 * time.Millisecond)(mt)
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MultiplexTransportConnFilters(
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func(_ ConnSet, _ net.Conn, _ []net.IP) error {
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time.Sleep(10 * time.Millisecond)
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return nil
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},
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)(mt)
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addr, err := NewNetAddressStringWithOptionalID("127.0.0.1:0")
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if err != nil {
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t.Fatal(err)
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}
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if err := mt.Listen(*addr); err != nil {
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t.Fatal(err)
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}
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errc := make(chan error)
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go func() {
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = addr.Dial()
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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if err := <-errc; err != nil {
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t.Errorf("connection failed: %v", err)
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}
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_, err = mt.Accept(peerConfig{})
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if _, ok := err.(ErrFilterTimeout); !ok {
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t.Errorf("expected ErrFilterTimeout")
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}
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}
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func TestTransportMultiplexAcceptMultiple(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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var (
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seed = rand.New(rand.NewSource(time.Now().UnixNano()))
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errc = make(chan error, seed.Intn(64)+64)
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)
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// Setup dialers.
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for i := 0; i < cap(errc); i++ {
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go func() {
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var (
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pv = ed25519.GenPrivKey()
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dialer = newMultiplexTransport(
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testNodeInfo(PubKeyToID(pv.PubKey()), defaultNodeName),
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NodeKey{
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PrivKey: pv,
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},
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)
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)
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = dialer.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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// Signal that the connection was established.
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errc <- nil
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}()
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}
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// Catch connection errors.
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for i := 0; i < cap(errc); i++ {
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if err := <-errc; err != nil {
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t.Fatal(err)
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}
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}
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ps := []Peer{}
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// Accept all peers.
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for i := 0; i < cap(errc); i++ {
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p, err := mt.Accept(peerConfig{})
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if err != nil {
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t.Fatal(err)
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}
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if err := p.Start(); err != nil {
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t.Fatal(err)
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}
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ps = append(ps, p)
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}
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if have, want := len(ps), cap(errc); have != want {
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t.Errorf("have %v, want %v", have, want)
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}
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// Stop all peers.
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for _, p := range ps {
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if err := p.Stop(); err != nil {
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t.Fatal(err)
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}
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}
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if err := mt.Close(); err != nil {
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t.Errorf("close errored: %v", err)
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}
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}
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func TestTransportMultiplexAcceptNonBlocking(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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var (
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fastNodePV = ed25519.GenPrivKey()
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fastNodeInfo = testNodeInfo(PubKeyToID(fastNodePV.PubKey()), "fastnode")
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errc = make(chan error)
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fastc = make(chan struct{})
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slowc = make(chan struct{})
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)
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// Simulate slow Peer.
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go func() {
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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c, err := addr.Dial()
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if err != nil {
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errc <- err
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return
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}
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close(slowc)
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select {
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case <-fastc:
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// Fast peer connected.
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case <-time.After(50 * time.Millisecond):
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// We error if the fast peer didn't succeed.
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errc <- fmt.Errorf("Fast peer timed out")
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}
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sc, err := upgradeSecretConn(c, 20*time.Millisecond, ed25519.GenPrivKey())
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if err != nil {
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errc <- err
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return
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}
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_, err = handshake(sc, 20*time.Millisecond,
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testNodeInfo(
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PubKeyToID(ed25519.GenPrivKey().PubKey()),
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"slow_peer",
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))
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if err != nil {
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errc <- err
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return
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}
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}()
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// Simulate fast Peer.
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go func() {
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<-slowc
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var (
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dialer = newMultiplexTransport(
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fastNodeInfo,
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NodeKey{
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PrivKey: fastNodePV,
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},
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)
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)
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = dialer.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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close(fastc)
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}()
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if err := <-errc; err != nil {
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t.Errorf("connection failed: %v", err)
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}
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p, err := mt.Accept(peerConfig{})
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if err != nil {
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t.Fatal(err)
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}
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if have, want := p.NodeInfo(), fastNodeInfo; !reflect.DeepEqual(have, want) {
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t.Errorf("have %v, want %v", have, want)
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}
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}
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func TestTransportMultiplexValidateNodeInfo(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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errc := make(chan error)
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go func() {
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var (
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pv = ed25519.GenPrivKey()
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dialer = newMultiplexTransport(
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testNodeInfo(PubKeyToID(pv.PubKey()), ""), // Should not be empty
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NodeKey{
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PrivKey: pv,
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},
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)
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)
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = dialer.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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if err := <-errc; err != nil {
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t.Errorf("connection failed: %v", err)
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}
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_, err := mt.Accept(peerConfig{})
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if err, ok := err.(ErrRejected); ok {
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if !err.IsNodeInfoInvalid() {
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t.Errorf("expected NodeInfo to be invalid")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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}
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func TestTransportMultiplexRejectMissmatchID(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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errc := make(chan error)
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go func() {
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dialer := newMultiplexTransport(
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testNodeInfo(
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PubKeyToID(ed25519.GenPrivKey().PubKey()), "dialer",
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),
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NodeKey{
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PrivKey: ed25519.GenPrivKey(),
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},
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)
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = dialer.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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if err := <-errc; err != nil {
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t.Errorf("connection failed: %v", err)
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}
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_, err := mt.Accept(peerConfig{})
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if err, ok := err.(ErrRejected); ok {
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if !err.IsAuthFailure() {
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t.Errorf("expected auth failure")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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}
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func TestTransportMultiplexRejectIncompatible(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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errc := make(chan error)
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go func() {
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var (
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pv = ed25519.GenPrivKey()
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dialer = newMultiplexTransport(
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testNodeInfoWithNetwork(PubKeyToID(pv.PubKey()), "dialer", "incompatible-network"),
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NodeKey{
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PrivKey: pv,
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},
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)
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)
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = dialer.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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_, err := mt.Accept(peerConfig{})
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if err, ok := err.(ErrRejected); ok {
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if !err.IsIncompatible() {
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t.Errorf("expected to reject incompatible")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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}
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func TestTransportMultiplexRejectSelf(t *testing.T) {
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mt := testSetupMultiplexTransport(t)
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errc := make(chan error)
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go func() {
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addr, err := NewNetAddressStringWithOptionalID(mt.listener.Addr().String())
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if err != nil {
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errc <- err
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return
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}
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_, err = mt.Dial(*addr, peerConfig{})
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if err != nil {
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errc <- err
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return
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}
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close(errc)
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}()
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if err := <-errc; err != nil {
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if err, ok := err.(ErrRejected); ok {
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if !err.IsSelf() {
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t.Errorf("expected to reject self")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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} else {
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t.Errorf("expected connection failure")
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}
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_, err := mt.Accept(peerConfig{})
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if err, ok := err.(ErrRejected); ok {
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if !err.IsSelf() {
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t.Errorf("expected to reject self")
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}
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} else {
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t.Errorf("expected ErrRejected")
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}
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}
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func TestTransportConnDuplicateIPFilter(t *testing.T) {
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filter := ConnDuplicateIPFilter()
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if err := filter(nil, &testTransportConn{}, nil); err != nil {
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t.Fatal(err)
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}
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var (
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c = &testTransportConn{}
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cs = NewConnSet()
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)
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cs.Set(c, []net.IP{
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{10, 0, 10, 1},
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{10, 0, 10, 2},
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{10, 0, 10, 3},
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})
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if err := filter(cs, c, []net.IP{
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{10, 0, 10, 2},
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}); err == nil {
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t.Errorf("expected Peer to be rejected as duplicate")
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}
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}
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func TestTransportHandshake(t *testing.T) {
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ln, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Fatal(err)
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}
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var (
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peerPV = ed25519.GenPrivKey()
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peerNodeInfo = testNodeInfo(PubKeyToID(peerPV.PubKey()), defaultNodeName)
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)
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go func() {
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c, err := net.Dial(ln.Addr().Network(), ln.Addr().String())
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if err != nil {
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t.Error(err)
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return
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}
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go func(c net.Conn) {
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_, err := cdc.MarshalBinaryLengthPrefixedWriter(c, peerNodeInfo.(DefaultNodeInfo))
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if err != nil {
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t.Error(err)
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}
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}(c)
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go func(c net.Conn) {
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var ni DefaultNodeInfo
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_, err := cdc.UnmarshalBinaryLengthPrefixedReader(
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c,
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&ni,
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int64(MaxNodeInfoSize()),
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)
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if err != nil {
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t.Error(err)
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}
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}(c)
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}()
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c, err := ln.Accept()
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if err != nil {
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t.Fatal(err)
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}
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ni, err := handshake(c, 20*time.Millisecond, emptyNodeInfo())
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if err != nil {
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t.Fatal(err)
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}
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if have, want := ni, peerNodeInfo; !reflect.DeepEqual(have, want) {
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t.Errorf("have %v, want %v", have, want)
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}
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}
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|
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func testSetupMultiplexTransport(t *testing.T) *MultiplexTransport {
|
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var (
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pv = ed25519.GenPrivKey()
|
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mt = newMultiplexTransport(
|
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testNodeInfo(
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PubKeyToID(pv.PubKey()), "transport",
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),
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NodeKey{
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PrivKey: pv,
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},
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)
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)
|
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addr, err := NewNetAddressStringWithOptionalID("127.0.0.1:0")
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if err != nil {
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t.Fatal(err)
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}
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if err := mt.Listen(*addr); err != nil {
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t.Fatal(err)
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}
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return mt
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}
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type testTransportAddr struct{}
|
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|
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func (a *testTransportAddr) Network() string { return "tcp" }
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func (a *testTransportAddr) String() string { return "test.local:1234" }
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type testTransportConn struct{}
|
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func (c *testTransportConn) Close() error {
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return fmt.Errorf("Close() not implemented")
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}
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|
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func (c *testTransportConn) LocalAddr() net.Addr {
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return &testTransportAddr{}
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}
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func (c *testTransportConn) RemoteAddr() net.Addr {
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return &testTransportAddr{}
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}
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|
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func (c *testTransportConn) Read(_ []byte) (int, error) {
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return -1, fmt.Errorf("Read() not implemented")
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}
|
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|
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func (c *testTransportConn) SetDeadline(_ time.Time) error {
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return fmt.Errorf("SetDeadline() not implemented")
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}
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|
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func (c *testTransportConn) SetReadDeadline(_ time.Time) error {
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return fmt.Errorf("SetReadDeadline() not implemented")
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}
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|
|
func (c *testTransportConn) SetWriteDeadline(_ time.Time) error {
|
|
return fmt.Errorf("SetWriteDeadline() not implemented")
|
|
}
|
|
|
|
func (c *testTransportConn) Write(_ []byte) (int, error) {
|
|
return -1, fmt.Errorf("Write() not implemented")
|
|
}
|