func Assemble() ([]io.Closer, error) {
requester := buildReceiver()
closeables, err := assemble.BuildPipelines(DataStore, requester, func(response data.ParsedResponse) {
//Do nothing. This is the last step and we do not need to do anything here,
// just pull the chan clean
})
closeables = append(closeables, requester)
if err != nil {
return closeables, err
}
graphGenerator := &meshviewer.GraphGenerator{Store: DataStore}
nodesGenerator := meshviewer.NewNodesJsonGenerator(DataStore)
missingUpdate := &MissingUpdater{Store: DataStore, Requester: requester}
DataStore.NotifyNodeOffline(missingUpdate.CheckNodeUnicast)
nodesGenerator.UpdateNodesJson()
graphGenerator.UpdateGraphJson()
log.Printf("Setting up request timer")
nodeinfoInterval := conf.Global.UInt("announced.interval.nodeinfo", 1800)
statisticsInterval := conf.Global.UInt("announced.interval.statistics", 300)
scheduler.NewJob(time.Second*time.Duration(nodeinfoInterval), func() {
log.Debug("Querying Nodeinfos via Multicast")
requester.Query("GET nodeinfo")
}, true)
time.Sleep(time.Second * 10)
scheduler.NewJob(time.Second*time.Duration(statisticsInterval), func() {
log.Debug("Querying statistics via Multicast")
requester.Query("GET statistics")
time.Sleep(time.Second * 25)
log.Debug("Querying neighbours via Multicast")
requester.Query("GET neighbours")
}, true)
scheduler.NewJob(time.Minute*1, func() {
graphGenerator.UpdateGraphJson()
}, false)
scheduler.NewJob(time.Minute*1, func() {
nodesGenerator.UpdateNodesJson()
}, false)
httpApi := &api.HttpApi{Store: DataStore}
httpserver.StartHttpServerBlocking(httpApi, graphGenerator, nodesGenerator)
return closeables, nil
}
// NewBoltStore creates a new BoltStore where the database file is located at
// the given path. If the file does not exist it will be created. If there is
// already a bolt database at the given path this BoltStore will contain its data.
func NewBoltStore(path string) (*BoltStore, error) {
db, err := bolt.Open(path, 0600, nil)
if err != nil {
return nil, err
}
store := &BoltStore{db: db}
err = db.Update(func(tx *bolt.Tx) error {
for _, bucketName := range AllBucketNames {
_, err := tx.CreateBucketIfNotExists([]byte(bucketName))
if err != nil {
return err
}
}
return nil
})
if err != nil {
return nil, err
}
store.gwOfflineHandler = make([]func(string), 0, 10)
store.expiredNodesHandler = make([]func(string), 0, 10)
store.onlineStatusJob = scheduler.NewJob(time.Minute*1, store.calculateOnlineStatus, false)
store.expireNodesJob = scheduler.NewJob(time.Hour*24, store.expireUnreachableNodes, false)
return store, nil
}