func (s *TxStoreSuite) TestSuccessfulTx(c *C) {
txs := txStore{}
err := txs.Begin("tx1")
c.Check(err, IsNil)
err = txs.Begin("tx2")
c.Assert(err, IsNil)
f1 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/1")
f2 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/2")
f3 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/3")
f4 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/4")
err = txs.Add("tx1", f1)
c.Assert(err, IsNil)
err = txs.Add("tx1", f2)
c.Assert(err, IsNil)
err = txs.Add("tx1", f3)
c.Assert(err, IsNil)
err = txs.Add("tx2", f4)
var tx1 []*frame.Frame
txs.Commit("tx1", func(f *frame.Frame) error {
tx1 = append(tx1, f)
return nil
})
c.Check(err, IsNil)
var tx2 []*frame.Frame
err = txs.Commit("tx2", func(f *frame.Frame) error {
tx2 = append(tx2, f)
return nil
})
c.Check(err, IsNil)
c.Check(len(tx1), Equals, 3)
c.Check(tx1[0], Equals, f1)
c.Check(tx1[1], Equals, f2)
c.Check(tx1[2], Equals, f3)
c.Check(len(tx2), Equals, 1)
c.Check(tx2[0], Equals, f4)
// already committed, so should cause an error
err = txs.Commit("tx1", func(f *frame.Frame) error {
c.Fatal("should not be called")
return nil
})
c.Check(err, Equals, txUnknown)
}
func (s *MemoryQueueSuite) Test1(c *C) {
mq := NewMemoryQueueStorage()
mq.Start()
f1 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/test",
frame.MessageId, "msg-001",
frame.Subscription, "1")
err := mq.Enqueue("/queue/test", f1)
c.Assert(err, IsNil)
f2 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/test",
frame.MessageId, "msg-002",
frame.Subscription, "1")
err = mq.Enqueue("/queue/test", f2)
c.Assert(err, IsNil)
f3 := frame.New(frame.MESSAGE,
frame.Destination, "/queue/test2",
frame.MessageId, "msg-003",
frame.Subscription, "2")
err = mq.Enqueue("/queue/test2", f3)
c.Assert(err, IsNil)
// attempt to dequeue from a different queue
f, err := mq.Dequeue("/queue/other-queue")
c.Check(err, IsNil)
c.Assert(f, IsNil)
f, err = mq.Dequeue("/queue/test2")
c.Check(err, IsNil)
c.Assert(f, Equals, f3)
f, err = mq.Dequeue("/queue/test")
c.Check(err, IsNil)
c.Assert(f, Equals, f1)
f, err = mq.Dequeue("/queue/test")
c.Check(err, IsNil)
c.Assert(f, Equals, f2)
f, err = mq.Dequeue("/queue/test")
c.Check(err, IsNil)
c.Assert(f, IsNil)
f, err = mq.Dequeue("/queue/test2")
c.Check(err, IsNil)
c.Assert(f, IsNil)
}
func (s *StompSuite) Test_successful_connect_with_nonstandard_header(c *C) {
resetId()
fc1, fc2 := testutil.NewFakeConn(c)
stop := make(chan struct{})
go func() {
defer func() {
fc2.Close()
close(stop)
}()
reader := frame.NewReader(fc2)
writer := frame.NewWriter(fc2)
f1, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "CONNECT")
c.Assert(f1.Header.Get("login"), Equals, "guest")
c.Assert(f1.Header.Get("passcode"), Equals, "guest")
c.Assert(f1.Header.Get("host"), Equals, "/")
c.Assert(f1.Header.Get("x-max-length"), Equals, "50")
connectedFrame := frame.New("CONNECTED")
connectedFrame.Header.Add("session", "session-0voRHrG-VbBedx1Gwwb62Q")
connectedFrame.Header.Add("heart-beat", "0,0")
connectedFrame.Header.Add("server", "RabbitMQ/3.2.1")
connectedFrame.Header.Add("version", "1.0")
writer.Write(connectedFrame)
f2, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f2.Command, Equals, "DISCONNECT")
receipt, _ := f2.Header.Contains("receipt")
c.Check(receipt, Equals, "1")
writer.Write(frame.New("RECEIPT", frame.ReceiptId, "1"))
}()
client, err := Connect(fc1,
ConnOpt.Login("guest", "guest"),
ConnOpt.Host("/"),
ConnOpt.Header("x-max-length", "50"))
c.Assert(err, IsNil)
c.Assert(client, NotNil)
c.Assert(client.Version(), Equals, V10)
c.Assert(client.Session(), Equals, "session-0voRHrG-VbBedx1Gwwb62Q")
c.Assert(client.Server(), Equals, "RabbitMQ/3.2.1")
err = client.Disconnect()
c.Assert(err, IsNil)
<-stop
}
func (s *FrameSuite) TestDetermineVersion_MultipleVersions(c *C) {
f := frame.New(frame.CONNECT)
f.Header.Add(frame.AcceptVersion, "1.2,1.1,1.0,2.0")
version, err := determineVersion(f)
c.Check(version, Equals, stomp.V12)
c.Check(err, IsNil)
}
func (s *FrameSuite) TestDetermineVersion_IncompatibleVersions(c *C) {
f := frame.New(frame.CONNECT)
f.Header.Add(frame.AcceptVersion, "0.2,0.1,1.3,2.0")
version, err := determineVersion(f)
c.Check(version, Equals, stomp.Version(""))
c.Check(err, Equals, unknownVersion)
}
func (s *FrameSuite) TestHeartBeat(c *C) {
f := frame.New(frame.CONNECT,
frame.AcceptVersion, "1.2",
frame.Host, "XX")
// no heart-beat header means zero values
x, y, err := getHeartBeat(f)
c.Check(x, Equals, 0)
c.Check(y, Equals, 0)
c.Check(err, IsNil)
f.Header.Add("heart-beat", "123,456")
x, y, err = getHeartBeat(f)
c.Check(x, Equals, 123)
c.Check(y, Equals, 456)
c.Check(err, IsNil)
f.Header.Set(frame.HeartBeat, "invalid")
x, y, err = getHeartBeat(f)
c.Check(x, Equals, 0)
c.Check(y, Equals, 0)
c.Check(err, Equals, invalidHeartBeat)
f.Header.Del(frame.HeartBeat)
_, _, err = getHeartBeat(f)
c.Check(err, IsNil)
f.Command = frame.SEND
_, _, err = getHeartBeat(f)
c.Check(err, Equals, invalidOperationForFrame)
}
func createHeartBeatConnection(
c *C,
readTimeout, writeTimeout int,
readTimeoutError time.Duration) (*Conn, *fakeReaderWriter) {
fc1, fc2 := testutil.NewFakeConn(c)
stop := make(chan struct{})
reader := frame.NewReader(fc2)
writer := frame.NewWriter(fc2)
go func() {
f1, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "CONNECT")
c.Assert(f1.Header.Get("heart-beat"), Equals, "1,1")
f2 := frame.New("CONNECTED", "version", "1.2")
f2.Header.Add("heart-beat", fmt.Sprintf("%d,%d", readTimeout, writeTimeout))
writer.Write(f2)
close(stop)
}()
conn, err := Connect(fc1,
ConnOpt.HeartBeat(time.Millisecond, time.Millisecond),
ConnOpt.HeartBeatError(readTimeoutError))
c.Assert(conn, NotNil)
c.Assert(err, IsNil)
<-stop
return conn, &fakeReaderWriter{
reader: reader,
writer: writer,
conn: fc2,
}
}
func (s *StompSuite) TestHeartBeatReadTimeout(c *C) {
conn, rw := createHeartBeatConnection(c, 100, 10000, time.Millisecond)
go func() {
f1, err := rw.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "SUBSCRIBE")
messageFrame := frame.New("MESSAGE",
"destination", f1.Header.Get("destination"),
"message-id", "1",
"subscription", f1.Header.Get("id"))
messageFrame.Body = []byte("Message body")
rw.Write(messageFrame)
}()
sub, err := conn.Subscribe("/queue/test1", AckAuto)
c.Assert(err, IsNil)
c.Check(conn.readTimeout, Equals, 101*time.Millisecond)
//println("read timeout", conn.readTimeout.String())
msg, ok := <-sub.C
c.Assert(msg, NotNil)
c.Assert(ok, Equals, true)
msg, ok = <-sub.C
c.Assert(msg, NotNil)
c.Assert(msg.Err, NotNil)
c.Assert(msg.Err.Error(), Equals, "read timeout")
msg, ok = <-sub.C
c.Assert(msg, IsNil)
c.Assert(ok, Equals, false)
}
func (co *connOptions) NewFrame() (*frame.Frame, error) {
f := frame.New(co.FrameCommand)
if co.Host != "" {
f.Header.Set(frame.Host, co.Host)
}
// heart-beat
{
send := co.WriteTimeout / time.Millisecond
recv := co.ReadTimeout / time.Millisecond
f.Header.Set(frame.HeartBeat, fmt.Sprintf("%d,%d", send, recv))
}
// login, passcode
if co.Login != "" || co.Passcode != "" {
f.Header.Set(frame.Login, co.Login)
f.Header.Set(frame.Passcode, co.Passcode)
}
// accept-version
f.Header.Set(frame.AcceptVersion, strings.Join(co.AcceptVersions, ","))
// custom header entries -- note that these do not override
// header values already set as they are added to the end of
// the header array
f.Header.AddHeader(co.Header)
return f, nil
}
// Sets up a connection for testing
func connectHelper(c *C, version Version) (*Conn, *fakeReaderWriter) {
fc1, fc2 := testutil.NewFakeConn(c)
stop := make(chan struct{})
reader := frame.NewReader(fc2)
writer := frame.NewWriter(fc2)
go func() {
f1, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "CONNECT")
f2 := frame.New("CONNECTED", "version", version.String())
writer.Write(f2)
close(stop)
}()
conn, err := Connect(fc1)
c.Assert(err, IsNil)
c.Assert(conn, NotNil)
<-stop
return conn, &fakeReaderWriter{
reader: reader,
writer: writer,
conn: fc2,
}
}
func (s *FrameSuite) TestDetermineVersion_V10_Stomp(c *C) {
// the "STOMP" command was introduced in V1.1, so it must
// have an accept-version header
f := frame.New(frame.STOMP)
_, err := determineVersion(f)
c.Check(err, Equals, missingHeader(frame.AcceptVersion))
}
func (s *FrameSuite) TestDetermineVersion_V11_Connect(c *C) {
f := frame.New(frame.CONNECT)
f.Header.Add(frame.AcceptVersion, "1.1")
version, err := determineVersion(f)
c.Check(version, Equals, stomp.V11)
c.Check(err, IsNil)
}
func (s *TopicSuite) TestTopicWithoutSubscription(c *C) {
topic := newTopic("destination")
f := frame.New(frame.MESSAGE,
frame.Destination, "destination")
topic.Enqueue(f)
}
// Create an ACK or NACK frame. Complicated by version incompatibilities.
func (c *Conn) createAckNackFrame(msg *Message, ack bool) (*frame.Frame, error) {
if !ack && !c.version.SupportsNack() {
return nil, ErrNackNotSupported
}
if msg.Header == nil || msg.Subscription == nil || msg.Conn == nil {
return nil, ErrNotReceivedMessage
}
if msg.Subscription.AckMode() == AckAuto {
if ack {
// not much point sending an ACK to an auto subscription
return nil, nil
} else {
// sending a NACK for an ack:auto subscription makes no
// sense
return nil, ErrCannotNackAutoSub
}
}
var f *frame.Frame
if ack {
f = frame.New(frame.ACK)
} else {
f = frame.New(frame.NACK)
}
switch c.version {
case V10, V11:
f.Header.Add(frame.Subscription, msg.Subscription.Id())
if messageId, ok := msg.Header.Contains(frame.MessageId); ok {
f.Header.Add(frame.MessageId, messageId)
} else {
return nil, missingHeader(frame.MessageId)
}
case V12:
if ack, ok := msg.Header.Contains(frame.Ack); ok {
f.Header.Add(frame.Id, ack)
} else {
return nil, missingHeader(frame.Ack)
}
}
return f, nil
}
// Unsubscribes and closes the channel C.
func (s *Subscription) Unsubscribe() error {
if s.completed {
return ErrCompletedSubscription
}
f := frame.New(frame.UNSUBSCRIBE, frame.Id, s.id)
s.conn.sendFrame(f)
s.completed = true
close(s.C)
return nil
}
// Commit will commit the transaction. All messages and acknowledgements
// sent to the STOMP server on this transaction will be processed atomically.
func (tx *Transaction) Commit() error {
if tx.completed {
return ErrCompletedTransaction
}
f := frame.New(frame.COMMIT, frame.Transaction, tx.id)
tx.conn.sendFrame(f)
tx.completed = true
return nil
}
// Sends a RECEIPT frame to the client if the frame f contains
// a receipt header. If the frame does contain a receipt header,
// it will be removed from the frame.
func (c *Conn) sendReceiptImmediately(f *frame.Frame) error {
if receipt, ok := f.Header.Contains(frame.Receipt); ok {
// Remove the receipt header from the frame. This is handy
// for transactions, because the frame has its receipt
// header removed prior to entering the transaction store.
// When the frame is processed upon transaction commit, it
// will not have a receipt header anymore.
f.Header.Del(frame.Receipt)
return c.sendImmediately(frame.New(frame.RECEIPT,
frame.ReceiptId, receipt))
}
return nil
}
func (s *TopicSuite) TestTopicWithOneSubscription(c *C) {
sub := &fakeSubscription{}
topic := newTopic("destination")
topic.Subscribe(sub)
f := frame.New(frame.MESSAGE,
frame.Destination, "destination")
topic.Enqueue(f)
c.Assert(len(sub.Frames), Equals, 1)
c.Assert(sub.Frames[0], Equals, f)
}
// Send an ERROR frame to the client and immediately. The error
// message is derived from err. If f is non-nil, it is the frame
// whose contents have caused the error. Include the receipt-id
// header if the frame contains a receipt header.
func (c *Conn) sendErrorImmediately(err error, f *frame.Frame) {
errorFrame := frame.New(frame.ERROR,
frame.Message, err.Error())
// Include a receipt-id header if the frame that prompted the error had
// a receipt header (as suggested by the STOMP protocol spec).
if f != nil {
if receipt, ok := f.Header.Contains(frame.Receipt); ok {
errorFrame.Header.Add(frame.ReceiptId, receipt)
}
}
// send the frame to the client, ignore any error condition
// because we are about to close the connection anyway
_ = c.sendImmediately(errorFrame)
}
// Disconnect will disconnect from the STOMP server. This function
// follows the STOMP standard's recommended protocol for graceful
// disconnection: it sends a DISCONNECT frame with a receipt header
// element. Once the RECEIPT frame has been received, the connection
// with the STOMP server is closed and any further attempt to write
// to the server will fail.
func (c *Conn) Disconnect() error {
if c.closed {
return nil
}
ch := make(chan *frame.Frame)
c.writeCh <- writeRequest{
Frame: frame.New(frame.DISCONNECT, frame.Receipt, allocateId()),
C: ch,
}
response := <-ch
if response.Command != frame.RECEIPT {
return newError(response)
}
c.closed = true
return c.conn.Close()
}
// Creates a STOMP frame.
func ExampleNewFrame() {
/*
Creates a STOMP frame that looks like the following:
CONNECT
login:scott
passcode:tiger
host:stompserver
accept-version:1.1,1.2
^@
*/
f := frame.New("CONNECT",
"login", "scott",
"passcode", "tiger",
"host", "stompserver",
"accept-version", "1.1,1.2")
doSomethingWith(f)
}
func (s *TopicSuite) TestTopicWithTwoSubscriptions(c *C) {
sub1 := &fakeSubscription{}
sub2 := &fakeSubscription{}
topic := newTopic("destination")
topic.Subscribe(sub1)
topic.Subscribe(sub2)
f := frame.New(frame.MESSAGE,
frame.Destination, "destination",
"xxx", "yyy")
topic.Enqueue(f)
c.Assert(len(sub1.Frames), Equals, 1)
c.Assert(len(sub2.Frames), Equals, 1)
c.Assert(sub1.Frames[0], Not(Equals), f)
c.Assert(sub2.Frames[0], Equals, f)
}
// Subscribe creates a subscription on the STOMP server.
// The subscription has a destination, and messages sent to that destination
// will be received by this subscription. A subscription has a channel
// on which the calling program can receive messages.
func (c *Conn) Subscribe(destination string, ack AckMode, opts ...func(*frame.Frame) error) (*Subscription, error) {
ch := make(chan *frame.Frame, 100)
subscribeFrame := frame.New(frame.SUBSCRIBE,
frame.Destination, destination,
frame.Ack, ack.String())
for _, opt := range opts {
if opt == nil {
return nil, ErrNilOption
}
err := opt(subscribeFrame)
if err != nil {
return nil, err
}
}
// If the option functions have not specified the "id" header entry,
// create one.
id, ok := subscribeFrame.Header.Contains(frame.Id)
if !ok {
id = allocateId()
subscribeFrame.Header.Add(frame.Id, id)
}
request := writeRequest{
Frame: subscribeFrame,
C: ch,
}
sub := &Subscription{
id: id,
destination: destination,
conn: c,
ackMode: ack,
C: make(chan *Message, 200),
}
go sub.readLoop(ch)
c.writeCh <- request
return sub, nil
}
func (s *StompSuite) Test_unsuccessful_connect(c *C) {
fc1, fc2 := testutil.NewFakeConn(c)
stop := make(chan struct{})
go func() {
defer func() {
fc2.Close()
close(stop)
}()
reader := frame.NewReader(fc2)
writer := frame.NewWriter(fc2)
f1, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "CONNECT")
f2 := frame.New("ERROR", "message", "auth-failed")
writer.Write(f2)
}()
conn, err := Connect(fc1)
c.Assert(conn, IsNil)
c.Assert(err, ErrorMatches, "auth-failed")
}
func createSendFrame(destination, contentType string, body []byte, opts []func(*frame.Frame) error) (*frame.Frame, error) {
// Set the content-length before the options, because this provides
// an opportunity to remove content-length.
f := frame.New(frame.SEND, frame.ContentLength, strconv.Itoa(len(body)))
f.Body = body
for _, opt := range opts {
if opt == nil {
return nil, ErrNilOption
}
if err := opt(f); err != nil {
return nil, err
}
}
f.Header.Set(frame.Destination, destination)
if contentType != "" {
f.Header.Set(frame.ContentType, contentType)
}
return f, nil
}
func subscribeTransactionHelper(c *C, ackMode AckMode, version Version, abort bool, nack bool) {
conn, rw := connectHelper(c, version)
stop := make(chan struct{})
go func() {
defer func() {
rw.Close()
close(stop)
}()
f3, err := rw.Read()
c.Assert(err, IsNil)
c.Assert(f3.Command, Equals, "SUBSCRIBE")
id, ok := f3.Header.Contains("id")
c.Assert(ok, Equals, true)
destination := f3.Header.Get("destination")
c.Assert(destination, Equals, "/queue/test-1")
ack := f3.Header.Get("ack")
c.Assert(ack, Equals, ackMode.String())
for i := 1; i <= 5; i++ {
messageId := fmt.Sprintf("message-%d", i)
bodyText := fmt.Sprintf("Message body %d", i)
f4 := frame.New("MESSAGE",
frame.Subscription, id,
frame.MessageId, messageId,
frame.Destination, destination)
if version == V12 {
f4.Header.Add(frame.Ack, messageId)
}
f4.Body = []byte(bodyText)
rw.Write(f4)
beginFrame, err := rw.Read()
c.Assert(err, IsNil)
c.Assert(beginFrame, NotNil)
c.Check(beginFrame.Command, Equals, "BEGIN")
tx, ok := beginFrame.Header.Contains(frame.Transaction)
c.Assert(ok, Equals, true)
if ackMode.ShouldAck() {
f5, _ := rw.Read()
if nack && version.SupportsNack() {
c.Assert(f5.Command, Equals, "NACK")
} else {
c.Assert(f5.Command, Equals, "ACK")
}
if version == V12 {
c.Assert(f5.Header.Get("id"), Equals, messageId)
} else {
c.Assert(f5.Header.Get("subscription"), Equals, id)
c.Assert(f5.Header.Get("message-id"), Equals, messageId)
}
c.Assert(f5.Header.Get("transaction"), Equals, tx)
}
sendFrame, _ := rw.Read()
c.Assert(sendFrame, NotNil)
c.Assert(sendFrame.Command, Equals, "SEND")
c.Assert(sendFrame.Header.Get("transaction"), Equals, tx)
commitFrame, _ := rw.Read()
c.Assert(commitFrame, NotNil)
if abort {
c.Assert(commitFrame.Command, Equals, "ABORT")
} else {
c.Assert(commitFrame.Command, Equals, "COMMIT")
}
c.Assert(commitFrame.Header.Get("transaction"), Equals, tx)
}
f6, _ := rw.Read()
c.Assert(f6.Command, Equals, "UNSUBSCRIBE")
c.Assert(f6.Header.Get(frame.Receipt), Not(Equals), "")
c.Assert(f6.Header.Get(frame.Id), Equals, id)
rw.Write(frame.New(frame.RECEIPT,
frame.ReceiptId, f6.Header.Get(frame.Receipt)))
f7, _ := rw.Read()
c.Assert(f7.Command, Equals, "DISCONNECT")
rw.Write(frame.New(frame.RECEIPT,
frame.ReceiptId, f7.Header.Get(frame.Receipt)))
}()
sub, err := conn.Subscribe("/queue/test-1", ackMode)
c.Assert(sub, NotNil)
c.Assert(err, IsNil)
for i := 1; i <= 5; i++ {
msg := <-sub.C
messageId := fmt.Sprintf("message-%d", i)
bodyText := fmt.Sprintf("Message body %d", i)
c.Assert(msg.Subscription, Equals, sub)
c.Assert(msg.Body, DeepEquals, []byte(bodyText))
c.Assert(msg.Destination, Equals, "/queue/test-1")
c.Assert(msg.Header.Get(frame.MessageId), Equals, messageId)
c.Assert(msg.ShouldAck(), Equals, ackMode.ShouldAck())
tx := msg.Conn.Begin()
c.Assert(tx.Id(), Not(Equals), "")
if msg.ShouldAck() {
if nack && version.SupportsNack() {
tx.Nack(msg)
} else {
tx.Ack(msg)
}
}
err = tx.Send("/queue/another-queue", "text/plain", []byte(bodyText))
c.Assert(err, IsNil)
if abort {
tx.Abort()
} else {
tx.Commit()
}
}
err = sub.Unsubscribe()
c.Assert(err, IsNil)
conn.Disconnect()
}
// Send and ERROR message to the client. The client
// connection will disconnect as soon as the ERROR
// message has been transmitted. The message header
// will be based on the contents of the err parameter.
func (c *Conn) SendError(err error) {
f := frame.New(frame.ERROR, frame.Message, err.Error())
c.Send(f) // will close after successful send
}
func (c *Conn) handleConnect(f *frame.Frame) error {
var err error
if _, ok := f.Header.Contains(frame.Receipt); ok {
// CONNNECT and STOMP frames are not allowed to have
// a receipt header.
return receiptInConnect
}
// if either of these fields are absent, pass nil to the
// authenticator function.
login, _ := f.Header.Contains(frame.Login)
passcode, _ := f.Header.Contains(frame.Passcode)
if !c.config.Authenticate(login, passcode) {
// sleep to slow down a rogue client a little bit
log.Println("authentication failed")
time.Sleep(time.Second)
return authenticationFailed
}
c.version, err = determineVersion(f)
if err != nil {
log.Println("protocol version negotiation failed")
return err
}
c.validator = stomp.NewValidator(c.version)
if c.version == stomp.V10 {
// don't want to handle V1.0 at the moment
// TODO: get working for V1.0
log.Println("unsupported version", c.version)
return unsupportedVersion
}
cx, cy, err := getHeartBeat(f)
if err != nil {
log.Println("invalid heart-beat")
return err
}
// Minimum value as per server config. If the client
// has requested shorter periods than this value, the
// server will insist on the longer time period.
min := asMilliseconds(c.config.HeartBeat(), maxHeartBeat)
// apply a minimum heartbeat
if cx > 0 && cx < min {
cx = min
}
if cy > 0 && cy < min {
cy = min
}
// the read timeout has already been processed in the readLoop
// go-routine
c.writeTimeout = time.Duration(cy) * time.Millisecond
response := frame.New(frame.CONNECTED,
frame.Version, string(c.version),
frame.Server, "stompd/x.y.z", // TODO: get version
frame.HeartBeat, fmt.Sprintf("%d,%d", cy, cx))
c.sendImmediately(response)
c.stateFunc = connected
// tell the upper layer we are connected
c.requestChannel <- Request{Op: ConnectedOp, Conn: c}
return nil
}
func (s *StompSuite) Test_successful_connect_and_disconnect(c *C) {
testcases := []struct {
Options []func(*Conn) error
NegotiatedVersion string
ExpectedVersion Version
ExpectedSession string
ExpectedHost string
ExpectedServer string
}{
{
Options: []func(*Conn) error{ConnOpt.Host("the-server")},
ExpectedVersion: "1.0",
ExpectedSession: "",
ExpectedHost: "the-server",
ExpectedServer: "some-server/1.1",
},
{
Options: []func(*Conn) error{},
NegotiatedVersion: "1.1",
ExpectedVersion: "1.1",
ExpectedSession: "the-session",
ExpectedHost: "the-server",
},
{
Options: []func(*Conn) error{ConnOpt.Host("xxx")},
NegotiatedVersion: "1.2",
ExpectedVersion: "1.2",
ExpectedSession: "the-session",
ExpectedHost: "xxx",
},
}
for _, tc := range testcases {
resetId()
fc1, fc2 := testutil.NewFakeConn(c)
stop := make(chan struct{})
go func() {
defer func() {
fc2.Close()
close(stop)
}()
reader := frame.NewReader(fc2)
writer := frame.NewWriter(fc2)
f1, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f1.Command, Equals, "CONNECT")
host, _ := f1.Header.Contains("host")
c.Check(host, Equals, tc.ExpectedHost)
connectedFrame := frame.New("CONNECTED")
if tc.NegotiatedVersion != "" {
connectedFrame.Header.Add("version", tc.NegotiatedVersion)
}
if tc.ExpectedSession != "" {
connectedFrame.Header.Add("session", tc.ExpectedSession)
}
if tc.ExpectedServer != "" {
connectedFrame.Header.Add("server", tc.ExpectedServer)
}
writer.Write(connectedFrame)
f2, err := reader.Read()
c.Assert(err, IsNil)
c.Assert(f2.Command, Equals, "DISCONNECT")
receipt, _ := f2.Header.Contains("receipt")
c.Check(receipt, Equals, "1")
writer.Write(frame.New("RECEIPT", frame.ReceiptId, "1"))
}()
client, err := Connect(fc1, tc.Options...)
c.Assert(err, IsNil)
c.Assert(client, NotNil)
c.Assert(client.Version(), Equals, tc.ExpectedVersion)
c.Assert(client.Session(), Equals, tc.ExpectedSession)
c.Assert(client.Server(), Equals, tc.ExpectedServer)
err = client.Disconnect()
c.Assert(err, IsNil)
<-stop
}
}
func (s *FrameSuite) TestDetermineVersion_V10_Connect(c *C) {
f := frame.New(frame.CONNECT)
version, err := determineVersion(f)
c.Check(err, IsNil)
c.Check(version, Equals, stomp.V10)
}