func redispublishint(key string, num int) error {
c, err := database.GetRedisConnection(getredisconnect())
if err != nil {
rcon := database.RedisConn{Conn: c}
rcon.Publish(AppID+":"+key, fmt.Sprintf("%d", num))
rcon.Flush()
rcon.Close()
}
return err
}
func main() {
dbcon, err := database.GetDatabaseConnection()
if err != nil {
logger.Panicln(err)
}
defer dbcon.Close()
analyser := NewAnalyser(dbcon, redis.NewPool(func() (redis.Conn, error) { return database.GetRedisConnection(getredisconnect()) }, 10))
restful.DefaultResponseMimeType = restful.MIME_JSON
restful.DefaultContainer.EnableContentEncoding(true)
restful.Add(NewAnalyseOGDATRESTService(analyser))
config := swagger.Config{
WebServicesUrl: discoveryhost(),
ApiPath: "/swaggerdoc",
SwaggerPath: "/doc/",
SwaggerFilePath: "swagger-ui/dist/",
WebServices: restful.RegisteredWebServices()}
swagger.InstallSwaggerService(config)
logger.Printf("analyser (%s) listening on port %s\n", AppID, portbinding())
go func() {
logger.Fatal(http.ListenAndServe(":"+portbinding(), nil))
}()
var datachange, urlchange chan []byte
var heartbeatchannel chan bool
populatedatasetinfo := func() {
if err := analyser.populatedatasetinfo(); err != nil {
logger.Panicln(err)
}
}
if !isonlyweb() {
heartbeatchannel = heartbeat(getheartbeatinterval())
<-heartbeatchannel // Wait for the first heartbeat, so the logging in the database is properly set up
populatedatasetinfo()
datachange = analyser.listenredischannel(watcherappid + ":DataChange")
urlchange = analyser.listenredischannel(watcherappid + ":UrlChange")
}
for {
select {
case <-urlchange:
// = REMARK =
// Naive approach here. If a URLChange or DataChange event is triggered,
// the whole analytic database will be recreated. It would be better to trace
// only the affected datasets and only create the relevant statistic.
// In future, urlchange/datachange might contain a JSON-encoded []byte which contains
// the affected IDs
logger.Println("Received URL change notice, re-generating database analysis")
populatedatasetinfo()
case <-datachange:
logger.Println("Received Data change notice, re-generating database analysis")
populatedatasetinfo()
case <-heartbeatchannel:
logger.Println("Idle")
}
}
}
