/
monitor.go
69 lines (65 loc) · 1.69 KB
/
monitor.go
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package main
import (
"fmt"
"log"
"time"
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/load"
"github.com/shirou/gopsutil/mem"
gopsnet "github.com/shirou/gopsutil/net"
"github.com/shirou/gopsutil/process"
)
var lastMonitorTime int64
var lastBytesRecv uint64
var lastBytesSent uint64
// sendMonitor : センサーが稼働するPCのリソース情報を送信する
func sendMonitor() {
msg := "type=Monitor,"
cpus, err := cpu.Percent(0, false)
if err != nil {
log.Printf("sendMonitor err=%v", err)
return
}
msg += fmt.Sprintf("cpu=%.3f", cpus[0])
loads, err := load.Avg()
if err != nil {
log.Printf("sendMonitor err=%v", err)
return
}
msg += fmt.Sprintf(",load=%.3f", loads.Load1)
mems, err := mem.VirtualMemory()
if err != nil {
log.Printf("sendMonitor err=%v", err)
return
}
msg += fmt.Sprintf(",mem=%.3f", mems.UsedPercent)
nets, err := gopsnet.IOCounters(false)
if err != nil {
log.Printf("sendMonitor err=%v", err)
return
}
now := time.Now().Unix()
if lastMonitorTime > 0 {
diff := now - lastMonitorTime
if diff > 0 {
dSent := nets[0].BytesSent - lastBytesSent
dRecv := nets[0].BytesRecv - lastBytesRecv
rxSpeed := 8.0 * float64(dRecv) / float64(diff)
rxSpeed /= (1000 * 1000)
txSpeed := 8.0 * float64(dSent) / float64(diff)
txSpeed /= (1000 * 1000)
msg += fmt.Sprintf(",recv=%d,sent=%d,rxSpeed=%.3f,txSpeed=%.3f",
dRecv, dSent, rxSpeed, txSpeed)
}
}
lastMonitorTime = time.Now().Unix()
lastBytesRecv = nets[0].BytesRecv
lastBytesSent = nets[0].BytesSent
pids, err := process.Pids()
if err != nil {
log.Printf("sendMonitor err=%v", err)
return
}
msg += fmt.Sprintf(",process=%d,param=%s", len(pids), iface)
syslogCh <- msg
}