Exemple #1
0
func stopWordsReply(g *G.Gilmour, stopList *[]string) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("Filtering out stop words")
		g.Signal("example.log", G.NewMessage().SetData(line))

		words := []string{}
		if err := req.Data(&words); err != nil {
			panic(words)
		}

		stopMap := map[string]bool{}
		for _, w := range *stopList {
			stopMap[w] = true
		}

		filtered := []string{}
		for _, w := range words {
			if _, ok := stopMap[w]; !ok {
				filtered = append(filtered, w)
			}
		}

		resp.SetData(filtered)

	}
}
Exemple #2
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func generator(first, second float64, tick <-chan time.Time, e *G.Gilmour) {
	//Wait for a tick
	<-tick

	packet := map[string]float64{"first": first, "second": second}
	data := G.NewMessage().SetData(packet)

	req := e.NewRequest(fibTopic)
	resp, err := req.Execute(data)
	if err != nil {
		fmt.Println("Error in Handler", err)
		return
	}

	if resp.Code() != 200 {
		fmt.Println("Error in Handler", resp.Code())
		return
	}

	var next float64
	msg := resp.Next()
	if err := msg.GetData(&next); err != nil {
		fmt.Println(err)
		return
	}

	generator(second, next, tick, e)
}
Exemple #3
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//Bind all service endpoints to their topics.
func bindListeners(g *G.Gilmour) {
	//Third argument is for Opts, which in this case is nil
	g.ReplyTo("weather.fetch", fetchReply(g), nil)
	g.ReplyTo("weather.group", groupReply(g), nil)
	g.ReplyTo("weather.min", minReply(g), nil)
	g.ReplyTo("weather.max", maxReply(g), nil)
}
Exemple #4
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func saveReply(g *G.Gilmour) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("Save")
		g.Signal("example.log", G.NewMessage().SetData(line))

		resp.SetData("Hello from Save")
	}
}
Exemple #5
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func findReply(g *G.Gilmour) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("Find")
		g.Signal("example.log", G.NewMessage().SetData(line))

		input := getInput(req)

		resp.SetData(input)
	}
}
Exemple #6
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func wordsReply(g *G.Gilmour) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("WordCount")
		g.Signal("example.log", G.NewMessage().SetData(line))

		input := getInput(req)
		wordRe := regexp.MustCompile("\\w+")
		words := wordRe.FindAllString(input, -1)
		resp.SetData(words)
	}
}
Exemple #7
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func echoRequest(wg *sync.WaitGroup, engine *G.Gilmour, msg string) {
	req := engine.NewRequest("echo")
	resp, err := req.Execute(G.NewMessage().SetData(msg))
	if err != nil {
		fmt.Println("Echoclient: error", err.Error())
	}

	defer wg.Done()

	var output string
	if err := resp.Next().GetData(&output); err != nil {
		fmt.Println("Echoclient: error", err.Error())
	} else {
		fmt.Println("Echoclient: received", output)
	}
}
Exemple #8
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func countReply(g *G.Gilmour) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("WordCount")
		g.Signal("example.log", G.NewMessage().SetData(line))

		input := []string{}
		if err := req.Data(&input); err != nil {
			panic(err)
		}

		word_counts := make(map[string]int)
		for _, word := range input {
			word_counts[word]++
		}

		resp.SetData(word_counts)
	}
}
Exemple #9
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func popularReply(g *G.Gilmour, wordLen int) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		line := fmt.Sprintf("Popular %v", wordLen)
		g.Signal("example.log", G.NewMessage().SetData(line))

		input := map[string]int{}
		if err := req.Data(&input); err != nil {
			panic(err)
		}

		popular := map[int][]string{}
		score := []int{}

		for k, v := range input {
			if len(k) != wordLen {
				continue
			}
			popular[v] = append(popular[v], k)
		}

		for k := range popular {
			score = append(score, k)
		}

		sort.Sort(sort.Reverse(sort.IntSlice(score)))

		output := struct {
			WordLength int
			Score      int
			Words      []string
		}{WordLength: wordLen}

		if len(score) > 0 {
			output.Score = score[0]
			output.Words = popular[score[0]]
		}
		resp.SetData(output)
	}
}
Exemple #10
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//Fetch a remote file from the URL received in Request.
func fetchReply(g *G.Gilmour) func(req *G.Request, resp *G.Message) {
	return func(req *G.Request, resp *G.Message) {
		url := getInput(req)

		line := fmt.Sprintf("Fetch %v", url)
		g.Signal("example.log", G.NewMessage().SetData(line))

		response, err := http.Get(url)
		if err != nil {
			panic(err)
		}

		defer response.Body.Close()
		contents, err := ioutil.ReadAll(response.Body)

		if err != nil {
			panic(err)
		}

		//Send back the contents.
		resp.SetData(string(contents))
	}
}
Exemple #11
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func bindListeners(e *G.Gilmour) {
	o := G.NewHandlerOpts().SetGroup(fibTopic)
	e.ReplyTo(fibTopic, fibRequest, o)
}
Exemple #12
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func bindListeners(g *G.Gilmour) {
	opts := G.NewHandlerOpts().SetGroup("exclusive")
	g.ReplyTo("echo", echoReply, opts)
}
Exemple #13
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//Bind all service endpoints to their topics.
func bindListeners(g *G.Gilmour) {
	//Third argument is for Opts, which in this case is nil
	g.ReplyTo("example.fetch", fetchReply(g), nil)
	g.ReplyTo("example.words", wordsReply(g), nil)
	g.ReplyTo("example.count", countReply(g), nil)
	g.ReplyTo("example.stopfilter", stopWordsReply(g, &stopWords), nil)
	g.ReplyTo("example.popular3", popularReply(g, 3), nil)
	g.ReplyTo("example.popular4", popularReply(g, 4), nil)
	g.ReplyTo("example.popular5", popularReply(g, 5), nil)
	g.ReplyTo("example.find", findReply(g), nil)
	g.ReplyTo("example.save", saveReply(g), nil)
}
Exemple #14
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func glog(g *G.Gilmour, msg string) {
	g.Signal("example.log", G.NewMessage().SetData(msg))
}