mirror of
https://github.com/libp2p/go-libp2p.git
synced 2025-10-05 16:17:12 +08:00
313 lines
6.6 KiB
Go
313 lines
6.6 KiB
Go
package basichost
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"io"
|
|
"testing"
|
|
"time"
|
|
|
|
host "github.com/libp2p/go-libp2p-host"
|
|
inet "github.com/libp2p/go-libp2p-net"
|
|
testutil "github.com/libp2p/go-libp2p-netutil"
|
|
protocol "github.com/libp2p/go-libp2p-protocol"
|
|
)
|
|
|
|
func TestHostSimple(t *testing.T) {
|
|
|
|
ctx := context.Background()
|
|
h1, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
h2, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
h2pi := h2.Peerstore().PeerInfo(h2.ID())
|
|
if err := h1.Connect(ctx, h2pi); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
piper, pipew := io.Pipe()
|
|
h2.SetStreamHandler(protocol.TestingID, func(s inet.Stream) {
|
|
defer s.Close()
|
|
w := io.MultiWriter(s, pipew)
|
|
io.Copy(w, s) // mirror everything
|
|
})
|
|
|
|
s, err := h1.NewStream(ctx, h2pi.ID, protocol.TestingID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// write to the stream
|
|
buf1 := []byte("abcdefghijkl")
|
|
if _, err := s.Write(buf1); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// get it from the stream (echoed)
|
|
buf2 := make([]byte, len(buf1))
|
|
if _, err := io.ReadFull(s, buf2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(buf1, buf2) {
|
|
t.Fatal("buf1 != buf2 -- %x != %x", buf1, buf2)
|
|
}
|
|
|
|
// get it from the pipe (tee)
|
|
buf3 := make([]byte, len(buf1))
|
|
if _, err := io.ReadFull(piper, buf3); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(buf1, buf3) {
|
|
t.Fatal("buf1 != buf3 -- %x != %x", buf1, buf3)
|
|
}
|
|
}
|
|
|
|
func getHostPair(ctx context.Context, t *testing.T) (host.Host, host.Host) {
|
|
h1, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
h2, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
|
|
h2pi := h2.Peerstore().PeerInfo(h2.ID())
|
|
if err := h1.Connect(ctx, h2pi); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return h1, h2
|
|
}
|
|
|
|
func assertWait(t *testing.T, c chan protocol.ID, exp protocol.ID) {
|
|
select {
|
|
case proto := <-c:
|
|
if proto != exp {
|
|
t.Fatal("should have connected on ", exp)
|
|
}
|
|
case <-time.After(time.Second * 5):
|
|
t.Fatal("timeout waiting for stream")
|
|
}
|
|
}
|
|
|
|
func TestHostProtoPreference(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, h2 := getHostPair(ctx, t)
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
protoOld := protocol.ID("/testing")
|
|
protoNew := protocol.ID("/testing/1.1.0")
|
|
protoMinor := protocol.ID("/testing/1.2.0")
|
|
|
|
connectedOn := make(chan protocol.ID)
|
|
|
|
handler := func(s inet.Stream) {
|
|
connectedOn <- s.Protocol()
|
|
s.Close()
|
|
}
|
|
|
|
h1.SetStreamHandler(protoOld, handler)
|
|
|
|
s, err := h2.NewStream(ctx, h1.ID(), protoMinor, protoNew, protoOld)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, protoOld)
|
|
s.Close()
|
|
|
|
mfunc, err := host.MultistreamSemverMatcher(protoMinor)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
h1.SetStreamHandlerMatch(protoMinor, mfunc, handler)
|
|
|
|
// remembered preference will be chosen first, even when the other side newly supports it
|
|
s2, err := h2.NewStream(ctx, h1.ID(), protoMinor, protoNew, protoOld)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// required to force 'lazy' handshake
|
|
_, err = s2.Write([]byte("hello"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, protoOld)
|
|
|
|
s2.Close()
|
|
|
|
s3, err := h2.NewStream(ctx, h1.ID(), protoMinor)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, protoMinor)
|
|
s3.Close()
|
|
}
|
|
|
|
func TestHostProtoMismatch(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, h2 := getHostPair(ctx, t)
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
h1.SetStreamHandler("/super", func(s inet.Stream) {
|
|
t.Error("shouldnt get here")
|
|
s.Close()
|
|
})
|
|
|
|
_, err := h2.NewStream(ctx, h1.ID(), "/foo", "/bar", "/baz/1.0.0")
|
|
if err == nil {
|
|
t.Fatal("expected new stream to fail")
|
|
}
|
|
}
|
|
|
|
func TestHostProtoPreknowledge(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
h2, _ := New(testutil.GenSwarmNetwork(t, ctx))
|
|
|
|
conn := make(chan protocol.ID)
|
|
handler := func(s inet.Stream) {
|
|
conn <- s.Protocol()
|
|
s.Close()
|
|
}
|
|
|
|
h1.SetStreamHandler("/super", handler)
|
|
|
|
h2pi := h2.Peerstore().PeerInfo(h2.ID())
|
|
if err := h1.Connect(ctx, h2pi); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
// wait for identify handshake to finish completely
|
|
select {
|
|
case <-h1.ids.IdentifyWait(h1.Network().ConnsToPeer(h2.ID())[0]):
|
|
case <-time.After(time.Second * 5):
|
|
t.Fatal("timed out waiting for identify")
|
|
}
|
|
|
|
select {
|
|
case <-h2.ids.IdentifyWait(h2.Network().ConnsToPeer(h1.ID())[0]):
|
|
case <-time.After(time.Second * 5):
|
|
t.Fatal("timed out waiting for identify")
|
|
}
|
|
|
|
h1.SetStreamHandler("/foo", handler)
|
|
|
|
s, err := h2.NewStream(ctx, h1.ID(), "/foo", "/bar", "/super")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
select {
|
|
case p := <-conn:
|
|
t.Fatal("shouldnt have gotten connection yet, we should have a lazy stream: ", p)
|
|
case <-time.After(time.Millisecond * 50):
|
|
}
|
|
|
|
_, err = s.Read(nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, conn, "/super")
|
|
|
|
s.Close()
|
|
}
|
|
|
|
func TestNewDialOld(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, h2 := getHostPair(ctx, t)
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
connectedOn := make(chan protocol.ID)
|
|
h1.SetStreamHandler("/testing", func(s inet.Stream) {
|
|
connectedOn <- s.Protocol()
|
|
s.Close()
|
|
})
|
|
|
|
s, err := h2.NewStream(ctx, h1.ID(), "/testing/1.0.0", "/testing")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, "/testing")
|
|
|
|
if s.Protocol() != "/testing" {
|
|
t.Fatal("shoould have gotten /testing")
|
|
}
|
|
|
|
s.Close()
|
|
}
|
|
|
|
func TestProtoDowngrade(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, h2 := getHostPair(ctx, t)
|
|
defer h1.Close()
|
|
defer h2.Close()
|
|
|
|
connectedOn := make(chan protocol.ID)
|
|
h1.SetStreamHandler("/testing/1.0.0", func(s inet.Stream) {
|
|
connectedOn <- s.Protocol()
|
|
s.Close()
|
|
})
|
|
|
|
s, err := h2.NewStream(ctx, h1.ID(), "/testing/1.0.0", "/testing")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, "/testing/1.0.0")
|
|
|
|
if s.Protocol() != "/testing/1.0.0" {
|
|
t.Fatal("shoould have gotten /testing")
|
|
}
|
|
s.Close()
|
|
|
|
h1.Network().ConnsToPeer(h2.ID())[0].Close()
|
|
|
|
time.Sleep(time.Millisecond * 50) // allow notifications to propogate
|
|
h1.RemoveStreamHandler("/testing/1.0.0")
|
|
h1.SetStreamHandler("/testing", func(s inet.Stream) {
|
|
connectedOn <- s.Protocol()
|
|
s.Close()
|
|
})
|
|
|
|
h2pi := h2.Peerstore().PeerInfo(h2.ID())
|
|
if err := h1.Connect(ctx, h2pi); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
s2, err := h2.NewStream(ctx, h1.ID(), "/testing/1.0.0", "/testing")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = s2.Write(nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertWait(t, connectedOn, "/testing")
|
|
|
|
if s2.Protocol() != "/testing" {
|
|
t.Fatal("shoould have gotten /testing")
|
|
}
|
|
s2.Close()
|
|
|
|
}
|