ing

crawler/crawler.go

@@ -30,67 +30,96 @@ func (c *Crawler) connectSSH(ip, port, user, pw string) error {
 }
 
 
-func (c *Crawler) CPUStat()([]stat.CPUStat, error) {
+func (c *Crawler) CPUStat(ch chan interface{}) {
+	go func() {
 		cpu := &stat.CPUStat{}
-
 		b, err := c.sshCli.RunCommand(cpu.Command())
 		if err != nil {
-		return nil, err
+			ch <- err
+		}
+		res, err := cpu.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }
 
-	return cpu.Parse(bytes.NewReader(b))
-}
-
-func (c *Crawler) MEMStat()(map[string]string, error) {
-	mem := &stat.MEMStat{}
 
+func (c *Crawler) MemStat(ch chan interface{}) {
+	go func() {
+		mem := &stat.MemStat{}
 		b, err := c.sshCli.RunCommand(mem.Command())
 		if err != nil {
-		return nil, err
+			ch <- err
+		}
+		res, err := mem.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }
 
-	return mem.Parse(bytes.NewReader(b))
-}
-
-func (c *Crawler) DiskIOStat()([]stat.DiskIOStat, error) {
+func (c *Crawler) DiskIOStat(ch chan interface{}) {
+	go func() {
 		diskio := &stat.DiskIOStat{}
 
 		b, err := c.sshCli.RunCommand(diskio.Command())
 		if err != nil {
-		return nil, err
+			ch <- err
 		}
 
-	return diskio.Parse(bytes.NewReader(b))
+		res, err := diskio.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }
 
-func (c *Crawler) DiskFreeStat()([]stat.DiskFreeStat, error) {
+func (c *Crawler) DiskFreeStat(ch chan interface{}) {
+	go func() {
 		diskFree := &stat.DiskFreeStat{}
-
 		b, err := c.sshCli.RunCommand(diskFree.Command())
 		if err != nil {
-		return nil, err
+			ch <- err
+		}
+		res, err := diskFree.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }
 
-	return diskFree.Parse(bytes.NewReader(b))
-}
-
-func (c *Crawler) LoadAvgStat()(stat.LoadAvg, error) {
+func (c *Crawler) LoadAvgStat(ch chan interface{}) {
+	go func() {
 		load := &stat.LoadAvg{}
 
 		b, err := c.sshCli.RunCommand(load.Command())
 		if err != nil {
-		return stat.LoadAvg{}, err
+			ch <- err
+		}
+		res, err := load.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }
 
-	return load.Parse(bytes.NewReader(b))
-}
-
-func (c *Crawler) NetworkStat() ([]stat.NetDevStat, error) {
+func (c *Crawler) NetworkStat(ch chan interface{})  {
+	go func() {
 		net := &stat.NetDevStat{}
 		b, err := c.sshCli.RunCommand(net.Command())
 		if err != nil {
-		return nil, err
+			ch <- err
 		}
-
-	return net.Parse(bytes.NewReader(b))
+		res, err := net.Parse(bytes.NewReader(b))
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+	}()
 }

main.go

@@ -3,10 +3,12 @@ package main
 import (
 	"fmt"
 	"git.loafle.net/overflow/ssh_crawler/crawler"
+	"runtime"
 )
 
 
 func main() {
+	runtime.GOMAXPROCS(4)
 
 	const ip = "192.168.1.15"
 	const port = "22"
@@ -19,46 +21,40 @@ func main() {
 	}
 
 	//CPU
-	cpu, err := cr.CPUStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("CPU: %s\n", cpu)
+	cpuCh := make(chan interface{})
+	cr.CPUStat(cpuCh)
+	fmt.Println(<-cpuCh)
+	close(cpuCh)
 
-	//MEM
-	mem, err := cr.MEMStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("MEM: %s\n", mem)
+	//Memory
+	memCh := make(chan interface{})
+	cr.MemStat(memCh)
+	fmt.Println(<-memCh)
+	close(memCh)
 
 	//Disk IO
-	diskio, err := cr.DiskIOStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("DiskIO: %s\n", diskio)
+	diskioCh := make(chan interface{})
+	cr.DiskIOStat(diskioCh)
+	fmt.Println(<-diskioCh)
+	close(diskioCh)
 
 	//Disk Free
-	diskFree, err := cr.DiskFreeStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("DiskFree: %s\n", diskFree)
-
-	//Load Avg.
-	load, err := cr.LoadAvgStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("Load: %s\n", load)
+	diskFreeCh := make(chan interface{})
+	cr.DiskFreeStat(diskFreeCh)
+	fmt.Println(<-diskFreeCh)
+	close(diskFreeCh)
 
 	//Network
-	net, err := cr.NetworkStat()
-	if err != nil {
-		fmt.Printf("err : %s\n", err)
-	}
-	fmt.Printf("Net: %s\n", net)
+	netCh := make(chan interface{})
+	cr.NetworkStat(netCh)
+	fmt.Println(<-netCh)
+	close(netCh)
+
+	//Load Avg.
+	loadCh := make(chan interface{})
+	cr.LoadAvgStat(loadCh)
+	fmt.Println(<-loadCh)
+	close(loadCh)
 }
 
 

stat/mem.go

@@ -6,15 +6,15 @@ import (
 	"bufio"
 )
 
-type MEMStat struct {
+type MemStat struct {
 
 }
 
-func (cpu MEMStat) Command() string {
+func (mem MemStat) Command() string {
 	return "cat /proc/meminfo"
 }
 
-func (cpu MEMStat) Parse(r io.Reader) (map[string]string, error) {
+func (mem MemStat) Parse(r io.Reader) (map[string]string, error) {
 	var (
 		memInfo = map[string]string{}
 		scanner = bufio.NewScanner(r)