/
main.go
60 lines (51 loc) · 1.6 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
package main
import (
"flag"
"log"
"net/http"
"time"
"github.com/ReneGa/tweetcount-microservices/generic"
"github.com/ReneGa/tweetcount-microservices/recorder/datamapper"
"github.com/ReneGa/tweetcount-microservices/recorder/gateway"
"github.com/ReneGa/tweetcount-microservices/recorder/resource"
"github.com/ReneGa/tweetcount-microservices/recorder/service"
"github.com/julienschmidt/httprouter"
)
var address = flag.String("address", "localhost:8085", "Address to listen on")
var bucketsDirectory = flag.String("bucketsDirectory", "./buckets", "Directory to write tweet buckets to.")
var bucketDuration = flag.Duration("bucketDuration", time.Hour, "Duration of a tweet bucket.")
var tweetsURL = flag.String("tweetsURL", "http://localhost:8080/tweets", "URL of the tweet producer to connect to")
func main() {
flag.Parse()
queriesDataMapper := &datamapper.JSONFileTweetBucketsPerQuery{
IOUtil: &generic.RealIOUtil{},
OS: &generic.RealOS{},
FileNamer: datamapper.RFC3339BucketFileNamer{},
FileMode: 0777,
Directory: *bucketsDirectory,
Duration: *bucketDuration,
}
tweetsGateway := &gateway.HTTPTweets{
Client: http.DefaultClient,
URL: *tweetsURL,
}
tweetsService := &service.Tweets{
DataMapper: queriesDataMapper,
Gateway: tweetsGateway,
}
tweetsResource := resource.Tweets{
Service: tweetsService,
}
router := httprouter.New()
router.GET("/tweets", tweetsResource.GET)
done := make(chan bool)
go func() {
err := http.ListenAndServe(*address, router)
if err != nil {
log.Fatal(err)
}
done <- true
}()
log.Printf("listening on %s", *address)
<-done
}