Golang gnet.EraseMessages函数代码示例

func TestPingMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	p := d.Pool.Pool
	m := &PingMessage{}
	testSimpleMessageHandler(t, d, m)

	m.c = messageContext(addr)
	go p.ConnectionWriteLoop(m.c.Conn)
	defer m.c.Conn.Close()
	assert.NotPanics(t, func() { m.Process(d) })
	// A pong message should have been sent
	wait()
	assert.Equal(t, len(p.SendResults), 1)
	if len(p.SendResults) == 0 {
		t.Fatalf("SendResults empty, would block")
	}
	sr := <-p.SendResults
	assert.Equal(t, sr.Connection, m.c.Conn)
	assert.Nil(t, sr.Error)
	_, ok := sr.Message.(*PongMessage)
	assert.True(t, ok)
	assert.False(t, m.c.Conn.LastSent.IsZero())

	// Test serialization
	mm := PingMessage{}
	b := encoder.Serialize(mm)
	m2 := PingMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, mm, m2)

	gnet.EraseMessages()
}

func TestOnDisconnect(t *testing.T) {
	gnet.EraseMessages()
	d := newDefaultDaemon()
	c := gnetConnection(addr)
	var mirror uint32 = 100

	// Not blacklistable
	reason := gnet.DisconnectWriteFailed
	setupTestOnDisconnect(d, c, mirror)
	assert.NotPanics(t, func() { d.onGnetDisconnect(c, reason) })
	// Should not be in blacklist
	assert.Equal(t, len(d.Peers.Peers.Blacklist), 0)
	// Should no longer be in OutgoingConnections
	assert.Equal(t, len(d.OutgoingConnections), 0)
	// Should no longer be in d.ExpectingIntroductions
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// Should be removed from the mirror, and the mirror dict for this ip
	// should be removed
	assert.Equal(t, len(d.mirrorConnections), 0)
	assert.Equal(t, len(d.ConnectionMirrors), 0)

	// Blacklistable
	reason = DisconnectIntroductionTimeout
	setupTestOnDisconnect(d, c, mirror)
	assert.NotPanics(t, func() { d.onGnetDisconnect(c, reason) })
	assert.Equal(t, len(d.Peers.Peers.Blacklist), 1)
	assert.NotNil(t, d.Peers.Peers.Blacklist[addr])
	// Should be in blacklist
	assert.Equal(t, len(d.Peers.Peers.Blacklist), 1)
	assert.NotNil(t, d.Peers.Peers.Blacklist[addr])
	// Should no longer be in OutgoingConnections
	assert.Equal(t, len(d.OutgoingConnections), 0)
	// Should no longer be in d.ExpectingIntroductions
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// Should be removed from the mirror, and the mirror dict for this ip
	// should be removed
	assert.Equal(t, len(d.mirrorConnections), 0)
	assert.Equal(t, len(d.ConnectionMirrors), 0)
	// Cleanup
	delete(d.Peers.Peers.Blacklist, addr)

	// d.mirrorConnections should retain a submap if there are other ports
	// inside
	reason = gnet.DisconnectWriteFailed
	setupTestOnDisconnect(d, c, mirror)
	d.mirrorConnections[mirror][strings.Split(addrb, ":")[0]] = addrPort
	assert.NotPanics(t, func() { d.onGnetDisconnect(c, reason) })
	// Should not be in blacklist
	assert.Equal(t, len(d.Peers.Peers.Blacklist), 0)
	// Should no longer be in OutgoingConnections
	assert.Equal(t, len(d.OutgoingConnections), 0)
	// Should no longer be in d.ExpectingIntroductions
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// Should be removed from the mirror, and the mirror dict for this ip
	// should be removed
	assert.Equal(t, len(d.mirrorConnections), 1)
	assert.Equal(t, len(d.mirrorConnections[mirror]), 1)
	assert.Equal(t, len(d.ConnectionMirrors), 0)
	shutdown(d)
}

func TestGivePeersMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	addrs := []string{addr, addrb, "7"}
	peers := make([]*pex.Peer, 3)
	for i, addr := range addrs {
		peers[i] = &pex.Peer{Addr: addr}
	}
	m := NewGivePeersMessage(peers)
	assert.Equal(t, len(m.GetPeers()), 2)
	testSimpleMessageHandler(t, d, m)
	assert.Equal(t, m.GetPeers()[0], addrs[0])
	assert.Equal(t, m.GetPeers()[1], addrs[1])

	// Test disabled
	d.Peers.Config.Disabled = true
	m.Process(d)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 0)

	// Test serialization
	m = NewGivePeersMessage(peers)
	b := encoder.Serialize(m)
	m2 := GivePeersMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	// Peers should be added to the pex when processed
	d.Peers.Config.Disabled = false
	m.Process(d)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 2)
	gnet.EraseMessages()
}

func TestGetPeersMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	p := d.Pool
	m := NewGetPeersMessage()
	testSimpleMessageHandler(t, d, m)
	d.Peers.Peers.AddPeer(addr)
	q, err := d.Peers.Peers.AddPeer(addrb)
	assert.Nil(t, err)
	q.Private = true
	d.Peers.Config.ReplyCount = 100
	m.c = messageContext(addr)

	// Peers disabled
	d.Peers.Config.Disabled = true
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 0)
	assert.True(t, m.c.Conn.LastSent.IsZero())

	// Peers enabled
	d.Peers.Config.Disabled = false
	m.c = messageContext(addr)
	defer m.c.Conn.Close()
	go p.Pool.ConnectionWriteLoop(m.c.Conn)
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 1)
	if len(p.Pool.SendResults) == 0 {
		t.Fatal("SendResults empty, would block")
	}
	sr := <-p.Pool.SendResults
	assert.Nil(t, sr.Error)
	assert.Equal(t, sr.Connection, m.c.Conn)
	msg, ok := sr.Message.(*GivePeersMessage)
	assert.True(t, ok)
	// Private peer should not be included
	ipAddr, err := NewIPAddr(addr)
	assert.Nil(t, err)
	assert.Equal(t, msg.Peers, []IPAddr{ipAddr})
	assert.False(t, m.c.Conn.LastSent.IsZero())

	// If no peers, nothing should happen
	m.c.Conn.LastSent = util.ZeroTime()
	delete(d.Peers.Peers.Peerlist, addr)
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 0)
	assert.True(t, m.c.Conn.LastSent.IsZero())

	// Test serialization
	m = NewGetPeersMessage()
	b := encoder.Serialize(m)
	m2 := GetPeersMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	gnet.EraseMessages()
}

func TestIntroductionMessageProcess(t *testing.T) {
	cleanupPeers()
	d := newDefaultDaemon()
	defer shutdown(d)
	m := NewIntroductionMessage(d.Messages.Mirror, d.Config.Version,
		uint16(poolPort))
	m.c = messageContext(addr)
	d.Pool.Pool.Pool[1] = m.c.Conn

	// Test invalid
	m.valid = false
	d.ExpectingIntroductions[addr] = time.Now()
	m.Process(d)
	// d.ExpectingIntroductions should get updated
	_, x := d.ExpectingIntroductions[addr]
	assert.False(t, x)
	// d.mirrorConnections should not have an entry
	_, x = d.mirrorConnections[m.Mirror]
	assert.False(t, x)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 0)

	// Test valid
	m.valid = true
	d.ExpectingIntroductions[addr] = time.Now()
	m.Process(d)
	// d.ExpectingIntroductions should get updated
	_, x = d.ExpectingIntroductions[addr]
	assert.False(t, x)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 1)
	assert.Equal(t, d.ConnectionMirrors[addr], m.Mirror)
	assert.NotNil(t, d.mirrorConnections[m.Mirror])
	assert.Equal(t, d.mirrorConnections[m.Mirror][addrIP], addrPort)
	peerAddr := fmt.Sprintf("%s:%d", addrIP, poolPort)
	assert.NotNil(t, d.Peers.Peers.Peerlist[peerAddr])

	// Handle impossibly bad ip:port returned from conn.Addr()
	// User should be disconnected
	m.valid = true
	m.c = messageContext(badAddrPort)
	m.Process(d)
	if len(d.Pool.Pool.DisconnectQueue) != 1 {
		t.Fatalf("DisconnectQueue empty")
	}
	<-d.Pool.Pool.DisconnectQueue

	m.valid = true
	m.c = messageContext(badAddrNoPort)
	m.Process(d)
	if len(d.Pool.Pool.DisconnectQueue) != 1 {
		t.Fatalf("DisconnectQueue empty")
	}
	<-d.Pool.Pool.DisconnectQueue

	gnet.EraseMessages()
}

func TestIntroductionMessageHandle(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	mc := messageContext(addr)
	m := NewIntroductionMessage(d.Messages.Mirror, d.Config.Version,
		d.Pool.Pool.Config.Port)

	// Test valid handling
	m.Mirror = d.Messages.Mirror + 1
	err := m.Handle(mc, d)
	assert.Nil(t, err)
	if len(d.messageEvents) == 0 {
		t.Fatalf("messageEvent is empty")
	}
	<-d.messageEvents
	assert.True(t, m.valid)
	m.valid = false

	// Test matching mirror
	m.Mirror = d.Messages.Mirror
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectSelf)
	m.Mirror = d.Messages.Mirror + 1
	assert.False(t, m.valid)

	// Test mismatched d.Config.Version
	m.Version = d.Config.Version + 1
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectInvalidVersion)
	assert.False(t, m.valid)

	// Test serialization
	m = NewIntroductionMessage(d.Messages.Mirror, d.Config.Version,
		d.Pool.Pool.Config.Port)
	b := encoder.Serialize(m)
	m2 := IntroductionMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	// Test already connected
	d.mirrorConnections[m.Mirror] = make(map[string]uint16)
	d.mirrorConnections[m.Mirror][addrIP] = addrPort + 1
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectConnectedTwice)
	delete(d.mirrorConnections, m.Mirror)
	assert.False(t, m.valid)

	for len(d.messageEvents) > 0 {
		<-d.messageEvents
	}
	gnet.EraseMessages()
}

func TestRequestPeers(t *testing.T) {
	defer cleanupPeers()
	gnet.EraseMessages()
	defer gnet.EraseMessages()

	// Disabled
	c := NewPeersConfig()
	c.Disabled = true
	p := NewPeers(c)
	assert.NotPanics(t, func() { p.requestPeers(nil) })

	// Full
	c.Disabled = false
	c.Max = 1
	p = NewPeers(c)
	p.Init()
	p.Peers.AddPeer(addr)
	assert.NotPanics(t, func() { p.requestPeers(nil) })

	// Not full, will send message
	c.Max = 10
	p = NewPeers(c)
	p.Init()
	p.Peers.AddPeer(addr)
	pool, gc := setupPool()
	go pool.Pool.ConnectionWriteLoop(gc)
	defer gc.Close()
	assert.NotPanics(t, func() { p.requestPeers(pool) })
	wait()
	assert.Equal(t, len(pool.Pool.SendResults), 1)
	if len(pool.Pool.SendResults) == 0 {
		t.Fatalf("SendResults empty, would block")
	}
	sr := <-pool.Pool.SendResults
	assert.Equal(t, sr.Connection, gc)
	assert.Nil(t, sr.Error)
	_, ok := sr.Message.(*GetPeersMessage)
	assert.True(t, ok)
}

func TestPongMessage(t *testing.T) {
	cmsgs := NewMessagesConfig()
	cmsgs.Register()
	m := &PongMessage{}
	// Pongs dont do anything
	assert.Nil(t, m.Handle(messageContext(addr), nil))
	gnet.EraseMessages()

	// Test serialization
	mm := PongMessage{}
	b := encoder.Serialize(mm)
	m2 := PongMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, mm, m2)

}

func TestStart(t *testing.T) {
	gnet.EraseMessages()
	defer cleanupPeers()
	d, quit := setupDaemonLoopDHT()
	defer closeDaemon(d, quit)
	assert.NotNil(t, d)
	assert.NotNil(t, d.Pool)
	assert.NotNil(t, d.DHT)
	go d.Start(quit)
	wait()
	assert.NotEqual(t, len(gnet.MessageIdMap), 0)
	assert.NotNil(t, d.Pool)
	assert.NotNil(t, d.Peers)
	assert.NotNil(t, d.DHT)
	assert.NotNil(t, d.Messages)
	assert.NotNil(t, d.Gateway)
}

func TestRegisterMessages(t *testing.T) {
	gnet.EraseMessages()
	c := NewMessagesConfig()
	assert.NotPanics(t, c.Register)
	gnet.EraseMessages()
}

// Terminates all subsystems safely.  To stop the Daemon run loop, send a value
// over the quit channel provided to Init.  The Daemon run loop must be stopped
// before calling this function.
func (self *Daemon) Shutdown() {
	self.Pool.Shutdown()
	self.Peers.Shutdown()
	self.Visor.Shutdown()
	gnet.EraseMessages()
}

//.........这里部分代码省略.........
	// We should mark this as an outgoing connection since we solicited it
	assert.Equal(t, len(d.OutgoingConnections), 1)
	assert.NotNil(t, d.OutgoingConnections[addr])
	// We should be expecting its version
	assert.Equal(t, len(d.ExpectingIntroductions), 1)
	_, exists = d.ExpectingIntroductions[addr]
	assert.True(t, exists)
	// An introduction should have been sent
	assert.False(t, c.LastSent.IsZero())
	// d.ipCounts should be 1
	assert.Equal(t, d.ipCounts[addrIP], 1)
	// Cleanup
	c.Close()
	delete(d.ExpectingIntroductions, addr)
	delete(d.OutgoingConnections, addr)
	delete(d.ipCounts, addrIP)

	// Test a connection that is not connected by the time of processing
	c.LastSent = util.ZeroTime()
	e = ConnectEvent{addr, true}
	delete(d.Pool.Pool.Addresses, addr)
	d.pendingConnections[addr] = p
	assert.NotPanics(t, func() { d.onConnect(e) })
	wait()
	assert.Equal(t, len(d.Pool.Pool.SendResults), 0)
	// This connection should no longer be pending
	assert.Equal(t, len(d.pendingConnections), 0)
	// No message should have been sent
	assert.True(t, c.LastSent.IsZero())
	// We should not be expecting its version
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// We should not have recorded it to ipCount
	assert.Equal(t, d.ipCounts[addrIP], 0)

	// Test a connection that is blacklisted
	e = ConnectEvent{addr, true}
	c = gnetConnection(addr)
	go d.Pool.Pool.ConnectionWriteLoop(c)
	d.Peers.Peers.AddBlacklistEntry(addr, time.Hour)
	d.pendingConnections[addr] = p
	d.Pool.Pool.Addresses[addr] = c
	d.Pool.Pool.Pool[c.Id] = c
	assert.NotPanics(t, func() { d.onConnect(e) })
	wait()
	// No introduction should have been sent
	assert.Equal(t, len(d.Pool.Pool.SendResults), 0)
	// This connection should no longer be pending
	assert.Equal(t, len(d.pendingConnections), 0)
	// No message should have been sent
	assert.True(t, c.LastSent.IsZero())
	// We should not be expecting its version
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// We should not have recorded its ipCount
	assert.Equal(t, d.ipCounts[addrIP], 0)
	// We should be looking to disconnect this client
	assert.Equal(t, len(d.Pool.Pool.DisconnectQueue), 1)
	if len(d.Pool.Pool.DisconnectQueue) == 0 {
		t.Fatal("pool.Pool.DisconnectQueue is empty, would block")
	}
	de := <-d.Pool.Pool.DisconnectQueue
	assert.Equal(t, de.ConnId, 1)
	assert.Equal(t, de.Reason, DisconnectIsBlacklisted)
	// Cleanup
	c.Close()
	delete(d.Peers.Peers.Blacklist, addr)

	// Test a connection that has reached maxed ipCount
	e = ConnectEvent{addr, true}
	c = gnetConnection(addr)
	go d.Pool.Pool.ConnectionWriteLoop(c)
	d.ipCounts[addrIP] = d.Config.IPCountsMax
	d.pendingConnections[addr] = p
	d.Pool.Pool.Addresses[addr] = c
	d.Pool.Pool.Pool[c.Id] = c
	assert.NotPanics(t, func() { d.onConnect(e) })
	wait()
	// No introduction should have been sent
	assert.Equal(t, len(d.Pool.Pool.SendResults), 0)
	// This connection should no longer be pending
	assert.Equal(t, len(d.pendingConnections), 0)
	// No message should have been sent
	assert.True(t, c.LastSent.IsZero())
	// We should not be expecting its version
	assert.Equal(t, len(d.ExpectingIntroductions), 0)
	// d.ipCounts should be unchanged
	assert.Equal(t, d.ipCounts[addrIP], d.Config.IPCountsMax)
	// We should be looking to disconnect this client
	assert.Equal(t, len(d.Pool.Pool.DisconnectQueue), 1)
	if len(d.Pool.Pool.DisconnectQueue) == 0 {
		t.Fatal("pool.Pool.DisconnectQueue is empty, would block")
	}
	de = <-d.Pool.Pool.DisconnectQueue
	assert.Equal(t, de.ConnId, 1)
	assert.Equal(t, de.Reason, DisconnectIPLimitReached)
	// Cleanup
	c.Close()
	delete(d.ipCounts, addrIP)
	gnet.EraseMessages()
	shutdown(d)
}

func shutdown(d *Daemon) {
	d.Shutdown()
	wait()
	cleanupPeers()
	gnet.EraseMessages()
}