airtime + no panic on lost of influxdb connection

.gitignore

@@ -23,5 +23,5 @@ _testmain.go
 *.test
 *.prof
 respond-collector
-webroot/
+webroot
 config.yml

data/breminale.go

@@ -9,3 +9,17 @@ type Wireless struct {
 type SwitchPort struct {
 	Speed uint32 `json:"speed"`
 }
+
+type WirelessStatistics struct {
+	Airtime24 *WirelessAirtime `json:"airtime24,omitempty"`
+	Airtime5  *WirelessAirtime `json:"airtime5,omitempty"`
+}
+
+type WirelessAirtime struct {
+	Active    uint64 `json:"active"`
+	Busy      uint64 `json:"busy"`
+	Rx        uint64 `json:"rx"`
+	Tx        uint64 `json:"tx"`
+	Noise     uint32 `json:"noise"`
+	Frequency uint32 `json:"frequency"`
+}

data/statistics.go

@@ -26,7 +26,8 @@ type Statistics struct {
 		MgmtTx  *Traffic `json:"mgmt_tx"`
 		MgmtRx  *Traffic `json:"mgmt_rx"`
 	} `json:"traffic,omitempty"`
-	Switch map[string]*SwitchPort `json:"switch,omitempty"`
+	Switch   map[string]*SwitchPort `json:"switch,omitempty"`
+	Wireless *WirelessStatistics    `json:"wireless,omitempty"`
 }
 
 type MeshVPNPeerLink struct {

stats_db.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"log"
+	"strconv"
 	"sync"
 	"time"
 
@@ -83,6 +84,26 @@ func (c *StatsDb) Add(stats *data.Statistics) {
 		fields["traffic.mgmt_tx.bytes"] = int64(t.Bytes)
 		fields["traffic.mgmt_tx.packets"] = t.Packets
 	}
+	if w := stats.Wireless; w != nil {
+		if time := w.Airtime24; time != nil {
+			fields["airtime24.active"] = time.Active
+			fields["airtime24.busy"] = time.Busy
+			fields["airtime24.tx"] = time.Tx
+			fields["airtime24.rx"] = time.Rx
+			fields["airtime24.noise"] = time.Noise
+			fields["airtime24.frequency"] = time.Frequency
+			tags["frequency24"] = strconv.Itoa(int(time.Frequency))
+		}
+		if time := w.Airtime5; time != nil {
+			fields["airtime5.active"] = time.Active
+			fields["airtime5.busy"] = time.Busy
+			fields["airtime5.tx"] = time.Tx
+			fields["airtime5.rx"] = time.Rx
+			fields["airtime5.noise"] = time.Noise
+			fields["airtime5.frequency"] = time.Frequency
+			tags["frequency5"] = strconv.Itoa(int(time.Frequency))
+		}
+	}
 
 	point, err := client.NewPoint("node", tags, fields, time.Now())
 	if err != nil {
@@ -119,7 +140,7 @@ func (c *StatsDb) worker() {
 					// create new batch
 					timer.Reset(batchDuration)
 					if bp, err = client.NewBatchPoints(bpConfig); err != nil {
-						panic(err)
+						log.Fatal(err)
 					}
 				}
 				bp.AddPoint(point)
@@ -139,7 +160,7 @@ func (c *StatsDb) worker() {
 			log.Println("saving", len(bp.Points()), "points")
 
 			if err = c.client.Write(bp); err != nil {
-				panic(err)
+				log.Fatal(err)
 			}
 			writeNow = false
 			bp = nil