103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package main
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import (
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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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"syscall"
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"time"
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"github.com/NYTimes/gziphandler"
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"github.com/julienschmidt/httprouter"
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"github.com/FreifunkBremen/respond-collector/api"
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"github.com/FreifunkBremen/respond-collector/data"
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"github.com/FreifunkBremen/respond-collector/models"
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"github.com/FreifunkBremen/respond-collector/respond"
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)
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var (
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configFile string
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config *models.Config
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collector *respond.Collector
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statsDb *StatsDb
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nodes *models.Nodes
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)
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func main() {
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flag.StringVar(&configFile, "config", "config.yml", "path of configuration file (default:config.yaml)")
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flag.Parse()
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config = models.ReadConfigFile(configFile)
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nodes = models.NewNodes(config)
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if config.Influxdb.Enable {
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statsDb = NewStatsDb()
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}
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if config.Respondd.Enable {
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collectInterval := time.Second * time.Duration(config.Respondd.CollectInterval)
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collector = respond.NewCollector("nodeinfo statistics neighbours", collectInterval, onReceive, config.Respondd.Interface)
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}
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if config.Webserver.Enable {
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router := httprouter.New()
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if config.Webserver.Api.NewNodes {
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api.NewNodes(config, router, "/api/nodes", nodes)
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log.Println("api nodes started")
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}
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if config.Webserver.Api.Aliases {
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api.NewAliases(config, router, "/api/aliases", nodes)
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log.Println("api aliases started")
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}
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router.NotFound = gziphandler.GzipHandler(http.FileServer(http.Dir(config.Webserver.Webroot)))
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address := net.JoinHostPort(config.Webserver.Address, config.Webserver.Port)
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log.Println("starting webserver on", address)
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// TODO bad
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log.Fatal(http.ListenAndServe(address, router))
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}
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// Wait for INT/TERM
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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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if collector != nil {
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collector.Close()
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}
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if statsDb != nil {
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statsDb.Close()
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}
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}
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// called for every parsed announced-message
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func onReceive(addr net.UDPAddr, res *data.ResponseData) {
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// Search for NodeID
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var nodeId string
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if val := res.NodeInfo; val != nil {
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nodeId = val.NodeId
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} else if val := res.Neighbours; val != nil {
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nodeId = val.NodeId
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} else if val := res.Statistics; val != nil {
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nodeId = val.NodeId
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}
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// Updates nodes if NodeID found
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if len(nodeId) != 12 {
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log.Printf("invalid NodeID '%s' from %s", nodeId, addr.String())
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return
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}
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nodes.Update(nodeId, res)
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if val := res.Statistics; val != nil && statsDb != nil {
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statsDb.Add(val, res.NodeInfo)
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}
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}
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