92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"log"
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"net"
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"net/http"
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"os"
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"os/signal"
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"reflect"
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"strings"
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"syscall"
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"time"
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"github.com/monitormap/micro-daemon/models"
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"github.com/monitormap/micro-daemon/respond"
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"github.com/monitormap/micro-daemon/websocketserver"
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)
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var (
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wsserverForNodes = websocketserver.NewServer("/nodes")
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respondDaemon *respond.Daemon
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nodes = models.NewNodes()
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aliases = models.NewNodes()
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listenAddr string
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listenPort string
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collectInterval time.Duration
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httpDir string
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outputNodesFile string
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outputAliasesFile string
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saveInterval time.Duration
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)
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func main() {
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var collectSeconds, saveSeconds int
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flag.StringVar(&listenAddr, "host", "", "path aliases.json file")
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flag.StringVar(&listenPort, "port", "8080", "path aliases.json file")
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flag.IntVar(&collectSeconds, "collectInterval", 15, "interval for data collections")
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flag.StringVar(&httpDir, "httpdir", "webroot", "a implemented static file webserver")
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flag.StringVar(&outputNodesFile, "path-nodes", "webroot/nodes.json", "path nodes.json file")
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flag.StringVar(&outputAliasesFile, "path-aliases", "webroot/aliases.json", "path aliases.json file")
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flag.IntVar(&saveSeconds, "saveInterval", 60, "interval for data saving")
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flag.Parse()
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collectInterval = time.Second * time.Duration(collectSeconds)
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saveInterval = time.Second * time.Duration(saveSeconds)
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go wsserverForNodes.Listen()
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go nodes.Saver(outputNodesFile, saveInterval)
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go aliases.Saver(outputAliasesFile, saveInterval)
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respondDaemon = respond.NewDaemon(func(coll *respond.Collector, res *respond.Response) {
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var result map[string]interface{}
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json.Unmarshal(res.Raw, &result)
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nodeID, _ := result["node_id"].(string)
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if nodeID == "" {
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log.Println("unable to parse node_id")
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return
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}
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node := nodes.Get(nodeID)
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// Set result
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elem := reflect.ValueOf(node).Elem()
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field := elem.FieldByName(strings.Title(coll.CollectType))
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if !reflect.DeepEqual(field, result) {
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wsserverForNodes.SendAll(node)
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}
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field.Set(reflect.ValueOf(result))
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})
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go respondDaemon.ListenAndSend(collectInterval)
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http.Handle("/", http.FileServer(http.Dir(httpDir)))
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//TODO bad
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log.Fatal(http.ListenAndServe(net.JoinHostPort(listenAddr, listenPort), nil))
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// Wait for End
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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sig := <-sigs
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log.Println("received", sig)
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// Close everything at the end
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wsserverForNodes.Close()
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respondDaemon.Close()
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}
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