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137 lines
3.5 KiB
137 lines
3.5 KiB
package p2p
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import (
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"testing"
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"time"
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. "github.com/tendermint/tendermint/binary"
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)
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// convenience method for creating two switches connected to each other.
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func makeSwitchPair(t testing.TB, bufferSize int, chNames []string) (*Switch, *Switch) {
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chDescs := []ChannelDescriptor{}
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for _, chName := range chNames {
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chDescs = append(chDescs, ChannelDescriptor{
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Name: chName,
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SendBufferSize: bufferSize,
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RecvBufferSize: bufferSize,
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})
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}
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// Create two switches that will be interconnected.
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s1 := NewSwitch(chDescs)
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s2 := NewSwitch(chDescs)
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// Create a listener for s1
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l := NewDefaultListener("tcp", ":8001")
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// Dial the listener & add the connection to s2.
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lAddr := l.ExternalAddress()
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connOut, err := lAddr.Dial()
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if err != nil {
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t.Fatalf("Could not connect to listener address %v", lAddr)
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} else {
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t.Logf("Created a connection to listener address %v", lAddr)
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}
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connIn, ok := <-l.Connections()
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if !ok {
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t.Fatalf("Could not get inbound connection from listener")
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}
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s1.AddPeerWithConnection(connIn, false)
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s2.AddPeerWithConnection(connOut, true)
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// Wait for things to happen, peers to get added...
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time.Sleep(100 * time.Millisecond)
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// Close the server, no longer needed.
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l.Stop()
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return s1, s2
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}
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func TestSwitches(t *testing.T) {
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channels := []string{"ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch0"}
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s1, s2 := makeSwitchPair(t, 10, channels)
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defer s1.Stop()
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defer s2.Stop()
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// Lets send a message from s1 to s2.
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if s1.Peers().Size() != 1 {
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t.Errorf("Expected exactly 1 peer in s1, got %v", s1.Peers().Size())
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}
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if s2.Peers().Size() != 1 {
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t.Errorf("Expected exactly 1 peer in s2, got %v", s2.Peers().Size())
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}
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// Broadcast a message on ch1
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s1.Broadcast(NewPacket("ch1", String("channel one")))
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// Broadcast a message on ch2
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s1.Broadcast(NewPacket("ch2", String("channel two")))
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// Broadcast a message on ch3
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s1.Broadcast(NewPacket("ch3", String("channel three")))
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// Wait for things to settle...
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time.Sleep(100 * time.Millisecond)
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// Receive message from channel 2 and check
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inMsg := s2.Receive("ch2")
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if ReadString(inMsg.Reader()) != "channel two" {
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t.Errorf("Unexpected received message bytes: %X = [%v]", inMsg.Bytes, ReadString(inMsg.Reader()))
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}
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// Receive message from channel 1 and check
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inMsg = s2.Receive("ch1")
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if ReadString(inMsg.Reader()) != "channel one" {
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t.Errorf("Unexpected received message bytes: %X = [%v]", inMsg.Bytes, ReadString(inMsg.Reader()))
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}
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}
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func BenchmarkSwitches(b *testing.B) {
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b.StopTimer()
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channels := []string{"ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch0"}
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s1, s2 := makeSwitchPair(b, 10, channels)
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defer s1.Stop()
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defer s2.Stop()
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// Create a sink on either channel to just pop off messages.
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recvHandler := func(c *Switch, chName string) {
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for {
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it := c.Receive(chName)
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if it == nil {
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break
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}
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}
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}
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for _, chName := range channels {
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go recvHandler(s1, chName)
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go recvHandler(s2, chName)
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}
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// Allow time for goroutines to boot up
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time.Sleep(1000 * time.Millisecond)
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b.StartTimer()
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numSuccess, numFailure := 0, 0
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// Send random message from one channel to another
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for i := 0; i < b.N; i++ {
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chName := channels[i%len(channels)]
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pkt := NewPacket(String(chName), ByteSlice("test data"))
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nS, nF := s1.Broadcast(pkt)
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numSuccess += nS
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numFailure += nF
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}
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log.Warnf("success: %v, failure: %v", numSuccess, numFailure)
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// Allow everything to flush before stopping switches & closing connections.
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b.StopTimer()
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time.Sleep(1000 * time.Millisecond)
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}
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