func ExampleConn_Subscribe_1() error {
conn, err := stomp.Dial("tcp", "localhost:61613")
if err != nil {
return err
}
sub, err := conn.Subscribe("/queue/test-2", stomp.AckClient)
if err != nil {
return err
}
// receive 5 messages and then quit
for i := 0; i < 5; i++ {
msg := <-sub.C
if msg.Err != nil {
return msg.Err
}
doSomethingWith(msg)
// acknowledge the message
err = conn.Ack(msg)
if err != nil {
return err
}
}
err = sub.Unsubscribe()
if err != nil {
return err
}
return conn.Disconnect()
}
func recvMessages(subscribed chan bool) {
defer func() {
stop <- true
}()
conn, err := stomp.Dial("tcp", *serverAddr, options...)
if err != nil {
println("cannot connect to server", err.Error())
return
}
sub, err := conn.Subscribe(*queueName, stomp.AckAuto)
if err != nil {
println("cannot subscribe to", *queueName, err.Error())
return
}
close(subscribed)
for i := 1; i <= *messageCount; i++ {
msg := <-sub.C
expectedText := fmt.Sprintf("Message #%d", i)
actualText := string(msg.Body)
if expectedText != actualText {
println("Expected:", expectedText)
println("Actual:", actualText)
}
}
println("receiver finished")
}
// Connect to a STOMP server using default options.
func ExampleDial_1() error {
conn, err := stomp.Dial("tcp", "192.168.1.1:61613")
if err != nil {
return err
}
err = conn.Send(
"/queue/test-1", // destination
"text/plain", // content-type
[]byte("Test message #1")) // body
if err != nil {
return err
}
return conn.Disconnect()
}
func ExampleTransaction() error {
conn, err := stomp.Dial("tcp", "localhost:61613")
if err != nil {
return err
}
defer conn.Disconnect()
sub, err := conn.Subscribe("/queue/test-2", stomp.AckClient)
if err != nil {
return err
}
// receive 5 messages and then quit
for i := 0; i < 5; i++ {
msg := <-sub.C
if msg.Err != nil {
return msg.Err
}
tx := conn.Begin()
doAnotherThingWith(msg, tx)
tx.Send("/queue/another-one", "text/plain",
[]byte(fmt.Sprintf("Message #%d", i)), nil)
// acknowledge the message
err = tx.Ack(msg)
if err != nil {
return err
}
err = tx.Commit()
if err != nil {
return err
}
}
err = sub.Unsubscribe()
if err != nil {
return err
}
return nil
}
// Connect to a STOMP server that requires authentication. In addition,
// we are only prepared to use STOMP protocol version 1.1 or 1.2, and
// the virtual host is named "dragon". In this example the STOMP
// server also accepts a non-standard header called 'nonce'.
func ExampleDial_2() error {
conn, err := stomp.Dial("tcp", "192.168.1.1:61613",
stomp.ConnOpt.Login("scott", "leopard"),
stomp.ConnOpt.AcceptVersion(stomp.V11),
stomp.ConnOpt.AcceptVersion(stomp.V12),
stomp.ConnOpt.Host("dragon"),
stomp.ConnOpt.Header("nonce", "B256B26D320A"))
if err != nil {
return err
}
err = conn.Send(
"/queue/test-1", // destination
"text/plain", // content-type
[]byte("Test message #1")) // body
if err != nil {
return err
}
return conn.Disconnect()
}
func sendMessages() {
defer func() {
stop <- true
}()
conn, err := stomp.Dial("tcp", *serverAddr, options...)
if err != nil {
println("cannot connect to server", err.Error())
return
}
for i := 1; i <= *messageCount; i++ {
text := fmt.Sprintf("Message #%d", i)
err = conn.Send(*queueName, "text/plain",
[]byte(text), nil)
if err != nil {
println("failed to send to server", err)
return
}
}
println("sender finished")
}
