Golang Pubnub.Publish方法代码示例

// PublishSimpleMessage publises a message on a pubnub channel and
// calls the parse method to validate the message subscription.
func PublishSimpleMessage(pubnubInstance *messaging.Pubnub, t *testing.T, channel string, testName string, cipherKey string, responseChannel chan string) {
	message := "Test message"

	returnChannel := make(chan []byte)
	errorChannel := make(chan []byte)

	go pubnubInstance.Publish(channel, message, returnChannel, errorChannel)
	go ParseSubscribeResponse(pubnubInstance, returnChannel, t, channel, "", testName, cipherKey, responseChannel)
	go ParseErrorResponse(errorChannel, responseChannel)
}

// PublishMessages calls the publish method of messaging package numberOfMessages times
// and appends the count with the message to distinguish from the others.
//
// Parameters:
// pubnubInstance: a reference of *messaging.Pubnub,
// channel: the pubnub channel to publish the messages,
// t: a reference to *testing.T,
// startMessagesFrom: the message identifer,
// numberOfMessages: number of messages to send,
// message: message to send.
//
// returns a bool if the publish of all messages is successful.
func PublishMessages(pubnubInstance *messaging.Pubnub, channel string, t *testing.T, startMessagesFrom int, numberOfMessages int, message string) bool {
	messagesReceived := 0
	messageToSend := ""
	tOut := messaging.GetNonSubscribeTimeout()
	messaging.SetNonSubscribeTimeout(30)
	for i := startMessagesFrom; i < startMessagesFrom+numberOfMessages; i++ {
		messageToSend = message + strconv.Itoa(i)

		returnPublishChannel := make(chan []byte)
		errorChannel := make(chan []byte)
		go pubnubInstance.Publish(channel, messageToSend, returnPublishChannel, errorChannel)
		messagesReceived++
		//time.Sleep(500 * time.Millisecond)
		time.Sleep(1500 * time.Millisecond)
	}
	if messagesReceived == numberOfMessages {
		return true
	}
	messaging.SetNonSubscribeTimeout(tOut)
	return false
}

func (stock *Stock) UpdateValuesAndPublish(pubnub *messaging.Pubnub,
	cycle chan bool) {
	if stock.CurrentPrice == 0 {
		stock.CurrentPrice = stock.InitialPrice
	}

	rand.Seed(int64(time.Now().Nanosecond()))

	change := float64(rand.Intn(stock.Volatility)-stock.Volatility/2) / 100
	stock.CurrentPrice = stock.CurrentPrice + float64(change)
	delta := stock.CurrentPrice - stock.InitialPrice
	percentage := Roundn((1-stock.InitialPrice/stock.CurrentPrice)*100, 2)
	vol := Randn(stock.Volatility, 1000) * 10

	streamMessage := StreamMessage{
		Time:       time.Now().Format(TIME_FORMAT),
		Price:      fmt.Sprintf("%.2f", stock.CurrentPrice),
		Delta:      fmt.Sprintf("%.2f", delta),
		Percentage: fmt.Sprintf("%.2f", percentage),
		Vol:        vol}

	if math.Abs(percentage) > float64(stock.MaxDelta)/100 {
		stock.CurrentPrice = stock.InitialPrice
	}

	errorChannel := make(chan []byte)
	successChannel := make(chan []byte)
	done := make(chan bool)

	go pubnub.Publish(stock.Name, streamMessage, successChannel, errorChannel)
	go handleResponse(successChannel, errorChannel,
		messaging.GetNonSubscribeTimeout(), done)

	sleep := Randn(stock.MinTrade, stock.MaxTrade)
	time.Sleep(time.Duration(sleep) * time.Microsecond)

	cycle <- <-done
}

// PublishMessages calls the publish method of messaging package numberOfMessages times
// and appends the count with the message to distinguish from the others.
//
// Parameters:
// pubnubInstance: a reference of *messaging.Pubnub,
// channel: the pubnub channel to publish the messages,
// t: a reference to *testing.T,
// startMessagesFrom: the message identifer,
// numberOfMessages: number of messages to send,
// message: message to send.
//
// returns a bool if the publish of all messages is successful.
func PublishMessages(pubnubInstance *messaging.Pubnub, channel string,
	t *testing.T, startMessagesFrom int, numberOfMessages int,
	message string, sleep func(int)) bool {

	assert := assert.New(t)
	messagesReceived := 0
	messageToSend := ""
	tOut := messaging.GetNonSubscribeTimeout()
	messaging.SetNonSubscribeTimeout(30)

	successChannel := make(chan []byte)
	errorChannel := make(chan []byte)

	for i := startMessagesFrom; i < startMessagesFrom+numberOfMessages; i++ {
		messageToSend = message + strconv.Itoa(i)

		go pubnubInstance.Publish(channel, messageToSend, successChannel, errorChannel)
		select {
		case <-successChannel:
			messagesReceived++
		case err := <-errorChannel:
			assert.Fail("Failed to get channel list", string(err))
		case <-messaging.Timeout():
			assert.Fail("WhereNow timeout")
		}
	}

	sleep(3)
	if messagesReceived == numberOfMessages {
		return true
	}

	messaging.SetNonSubscribeTimeout(tOut)

	return false
}

// ParseSubscribeMultiplexedResponse publishes 2 messages on 2 different channels and
// when both the channels are connected
// it reads the responseChannel for the 2 messages. If we get the same 2 messages as response
// the test is passed.
//
// parameters:
// pubnubInstance: an instace of *messaging.Pubnub,
// returnSubscribeChannel: the channel to read the subscribe response on.
// message1: first message to publish.
// message2: second message to publish.
// pubnubChannel1: pubnub Channel 1 to publish the first message.
// pubnubChannel2: pubnub Channel 2 to publish the second message.
// testName: test name.
// responseChannel: the channelto send a response back.
func ParseSubscribeMultiplexedResponse(pubnubInstance *messaging.Pubnub, returnSubscribeChannel chan []byte, message1 string, message2 string, pubnubChannel1 string, pubnubChannel2 string, testName string, responseChannel chan string) {
	messageCount := 0
	channelCount := 0
	for {
		value, ok := <-returnSubscribeChannel
		if !ok {
			break
		}
		if string(value) != "[]" {
			response := fmt.Sprintf("%s", value)
			message := "' connected"
			messageT1 := "'" + pubnubChannel1 + "' connected"
			messageT2 := "'" + pubnubChannel2 + "' connected"
			if strings.Contains(response, message) {
				if strings.Contains(response, messageT1) {
					channelCount++
				}

				if strings.Contains(response, messageT2) {
					channelCount++
				}
				if channelCount >= 2 {
					returnPublishChannel := make(chan []byte)
					errorChannelPub := make(chan []byte)

					go pubnubInstance.Publish(pubnubChannel1, message1, returnPublishChannel, errorChannelPub)
					go ParseResponseDummy(returnPublishChannel)
					go ParseResponseDummy(errorChannelPub)

					returnPublishChannel2 := make(chan []byte)
					errorChannelPub2 := make(chan []byte)

					go pubnubInstance.Publish(pubnubChannel2, message2, returnPublishChannel2, errorChannelPub2)
					go ParseResponseDummy(returnPublishChannel2)
					go ParseResponseDummy(errorChannelPub2)
				}
			} else {
				var s []interface{}
				err := json.Unmarshal(value, &s)
				if err == nil {
					if len(s) > 2 {
						if message, ok := s[0].([]interface{}); ok {
							if messageT, ok2 := message[0].(string); ok2 {
								if (len(message) > 0) && (messageT == message1) && (s[2].(string) == pubnubChannel1) {
									messageCount++
								}
								if (len(message) > 0) && (messageT == message2) && (s[2].(string) == pubnubChannel2) {
									messageCount++
								}
							}
						}
					}
				}

				if messageCount >= 2 {
					responseChannel <- "Test '" + testName + "': passed."
					break
				}
			}
		}
	}
}