ping added
This commit is contained in:
crusader
parent
fae2846a85
commit
4b9311adb7
389
net/ping/ping.go
Normal file
389
net/ping/ping.go
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@ -0,0 +1,389 @@
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package ping
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import (
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"log"
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"strconv"
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"strings"
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)
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type PingOptions struct {
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Retry int
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Interval int
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Deadline int
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}
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type Response struct {
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TTL int
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Time float32
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}
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type Summary struct {
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SendCount int
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ReceiveCount int
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LossPercent float32
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MinTime float32
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MaxTime float32
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AvgTime float32
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}
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type PingResult struct {
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Responses map[int]*Response
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Summary *Summary
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}
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func (o *PingOptions) Validate() {
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if 0 >= o.Retry {
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o.Retry = 1
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}
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if 0 >= o.Interval {
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o.Interval = 1
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}
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if 0 >= o.Deadline {
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o.Deadline = 0
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}
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}
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// $ ping 192.168.1.1 -c 7 -i 1 -w 0.3
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// PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
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// 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.325 ms
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// 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=0.344 ms
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// 64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=0.163 ms
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// 64 bytes from 192.168.1.1: icmp_seq=7 ttl=64 time=0.180 ms
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// --- 192.168.1.1 ping statistics ---
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// 7 packets transmitted, 4 received, 42% packet loss, time 6010ms
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// rtt min/avg/max/mdev = 0.163/0.253/0.344/0.082 ms
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func parseLinuxPing(output []byte) (*PingResult, error) {
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result := &PingResult{
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Responses: make(map[int]*Response, 0),
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Summary: &Summary{},
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}
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lines := strings.Split(string(output), "\n")
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LOOP:
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for _, line := range lines {
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log.Print(line)
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fields := strings.Fields(line)
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switch len(fields) {
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case 5:
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if "rtt" != fields[0] {
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continue LOOP
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}
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times := strings.Split(fields[3], "/")
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minTime, err := strconv.ParseFloat(times[0], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MinTime = float32(minTime)
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maxTime, err := strconv.ParseFloat(times[2], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MaxTime = float32(maxTime)
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avgTime, err := strconv.ParseFloat(times[1], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.AvgTime = float32(avgTime)
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case 8:
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seqs := strings.Split(fields[4], "=")
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ttls := strings.Split(fields[5], "=")
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times := strings.Split(fields[6], "=")
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seq, err := strconv.Atoi(seqs[1])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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ttl, err := strconv.Atoi(ttls[1])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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_time, err := strconv.ParseFloat(times[1], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Responses[seq] = &Response{
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TTL: ttl,
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Time: float32(_time),
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}
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case 10:
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sendCount, err := strconv.Atoi(fields[0])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.SendCount = sendCount
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receiveCount, err := strconv.Atoi(fields[3])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.ReceiveCount = receiveCount
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lossPercent, err := strconv.ParseFloat(strings.Replace(fields[5], "%", "", -1), 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.LossPercent = float32(lossPercent)
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}
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}
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return result, nil
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}
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// Windows 10
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// Active code page: 437
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// Pinging 192.168.1.1 with 32 bytes of data:
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// Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
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// Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
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// Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
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// Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
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// Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
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// Ping statistics for 192.168.1.1:
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// Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),
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// Approximate round trip times in milli-seconds:
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// Minimum = 0ms, Maximum = 0ms, Average = 0ms
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// Active code page: 437
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// Pinging www.google.com [216.58.221.164] with 32 bytes of data:
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// Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
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// Request timed out.
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// Reply from 216.58.221.164: bytes=32 time=38ms TTL=51
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// Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
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// Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
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// Ping statistics for 216.58.221.164:
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// Packets: Sent = 5, Received = 4, Lost = 1 (20% loss),
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// Approximate round trip times in milli-seconds:
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// Minimum = 37ms, Maximum = 38ms, Average = 37ms
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func parseWindowsPing(output []byte) (*PingResult, error) {
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result := &PingResult{
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Responses: make(map[int]*Response, 0),
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Summary: &Summary{},
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}
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lines := strings.Split(string(output), "\n")
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seq := 1
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LOOP:
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for _, line := range lines {
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log.Print(line)
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fields := strings.Fields(line)
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switch len(fields) {
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case 3:
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log.Print(fields)
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if "Request timed out." != line {
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continue LOOP
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}
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result.Responses[seq] = nil
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seq = seq + 1
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case 6:
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if "Reply" != fields[0] || "from" != fields[1] {
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continue LOOP
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}
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times := strings.Replace(fields[4], "time", "", -1)
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times = strings.Replace(times, "<", "", -1)
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times = strings.Replace(times, "=", "", -1)
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times = strings.Replace(times, "ms", "", -1)
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ttls := strings.Split(fields[5], "=")
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ttl, err := strconv.Atoi(ttls[1])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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_time, err := strconv.ParseFloat(times, 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Responses[seq] = &Response{
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TTL: ttl,
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Time: float32(_time),
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}
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seq = seq + 1
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case 9:
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log.Print(fields)
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if "Minimum" != fields[0] {
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continue LOOP
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}
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minTimes := strings.Replace(fields[2], "ms", "", -1)
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minTimes = strings.Replace(minTimes, ",", "", -1)
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minTime, err := strconv.ParseFloat(minTimes, 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MinTime = float32(minTime)
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maxTimes := strings.Replace(fields[5], "ms", "", -1)
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maxTimes = strings.Replace(maxTimes, ",", "", -1)
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maxTime, err := strconv.ParseFloat(maxTimes, 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MaxTime = float32(maxTime)
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avgTimes := strings.Replace(fields[8], "ms", "", -1)
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avgTime, err := strconv.ParseFloat(avgTimes, 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.AvgTime = float32(avgTime)
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case 12:
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if "Packets:" != fields[0] {
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continue LOOP
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}
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sendCount, err := strconv.Atoi(strings.Replace(fields[3], ",", "", -1))
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.SendCount = sendCount
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receiveCount, err := strconv.Atoi(strings.Replace(fields[6], ",", "", -1))
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.ReceiveCount = receiveCount
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lossPercents := strings.Replace(fields[10], "(", "", -1)
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lossPercents = strings.Replace(lossPercents, "%", "", -1)
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lossPercent, err := strconv.ParseFloat(lossPercents, 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.LossPercent = float32(lossPercent)
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}
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}
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return result, nil
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}
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// $ ping 192.168.1.1 -c 5 -i 1
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// PING 192.168.1.1 (192.168.1.1): 56 data bytes
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// 64 bytes from 192.168.1.1: icmp_seq=0 ttl=64 time=1.664 ms
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// 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.971 ms
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// 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=3.934 ms
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// 64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=3.539 ms
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// 64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=3.690 ms
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// --- 192.168.1.1 ping statistics ---
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// 5 packets transmitted, 5 packets received, 0.0% packet loss
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// round-trip min/avg/max/stddev = 0.971/2.760/3.934/1.204 ms
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func parseDarwinPing(output []byte) (*PingResult, error) {
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result := &PingResult{
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Responses: make(map[int]*Response, 0),
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Summary: &Summary{},
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}
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lines := strings.Split(string(output), "\n")
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LOOP:
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for _, line := range lines {
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log.Print(line)
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fields := strings.Fields(line)
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switch len(fields) {
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case 5:
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if "round-trip" != fields[0] {
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continue LOOP
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}
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times := strings.Split(fields[3], "/")
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minTime, err := strconv.ParseFloat(times[0], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MinTime = float32(minTime)
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maxTime, err := strconv.ParseFloat(times[2], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.MaxTime = float32(maxTime)
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avgTime, err := strconv.ParseFloat(times[1], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.AvgTime = float32(avgTime)
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case 8:
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seqs := strings.Split(fields[4], "=")
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ttls := strings.Split(fields[5], "=")
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times := strings.Split(fields[6], "=")
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seq, err := strconv.Atoi(seqs[1])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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ttl, err := strconv.Atoi(ttls[1])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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_time, err := strconv.ParseFloat(times[1], 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Responses[seq] = &Response{
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TTL: ttl,
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Time: float32(_time),
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}
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case 9:
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sendCount, err := strconv.Atoi(fields[0])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.SendCount = sendCount
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receiveCount, err := strconv.Atoi(fields[3])
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.ReceiveCount = receiveCount
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lossPercent, err := strconv.ParseFloat(strings.Replace(fields[6], "%", "", -1), 32)
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if nil != err {
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log.Print(err)
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continue LOOP
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}
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result.Summary.LossPercent = float32(lossPercent)
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}
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}
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return result, nil
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}
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1
net/ping/ping_darwin.go
Normal file
1
net/ping/ping_darwin.go
Normal file
@ -0,0 +1 @@
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package ping
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24
net/ping/ping_linux.go
Normal file
24
net/ping/ping_linux.go
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@ -0,0 +1,24 @@
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package ping
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import (
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"fmt"
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"os/exec"
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)
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func Ping(destination string, options *PingOptions) (*PingResult, error) {
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options.Validate()
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params := make([]string, 0)
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params = append(params, destination)
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params = append(params, fmt.Sprintf("-c %d", options.Retry))
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params = append(params, fmt.Sprintf("-i %d", options.Interval))
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params = append(params, fmt.Sprintf("-w %d", options.Deadline))
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pCmd := exec.Command("ping", params...)
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output, err := pCmd.CombinedOutput()
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if err != nil {
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return nil, err
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}
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return parseLinuxPing(output)
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}
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38
net/ping/ping_linux_test.go
Normal file
38
net/ping/ping_linux_test.go
Normal file
@ -0,0 +1,38 @@
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package ping
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import "testing"
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func TestPing(t *testing.T) {
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type args struct {
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destination string
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options *PingOptions
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}
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tests := []struct {
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name string
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args args
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want *PingResult
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wantErr bool
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}{
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{
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name: "192.168.1.1",
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args: args{
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destination: "192.168.1.1",
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options: &PingOptions{
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Retry: 4,
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},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := Ping(tt.args.destination, tt.args.options)
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if (err != nil) != tt.wantErr {
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t.Errorf("Ping() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("Ping() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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145
net/ping/ping_test.go
Normal file
145
net/ping/ping_test.go
Normal file
@ -0,0 +1,145 @@
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package ping
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import (
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"reflect"
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"testing"
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)
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func TestPingOptions_Validate(t *testing.T) {
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type fields struct {
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Retry int
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Interval int
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Deadline int
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}
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tests := []struct {
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name string
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fields fields
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}{
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// TODO: Add test cases.
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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o := &PingOptions{
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Retry: tt.fields.Retry,
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Interval: tt.fields.Interval,
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Deadline: tt.fields.Deadline,
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}
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o.Validate()
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})
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}
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}
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func Test_parseLinuxPing(t *testing.T) {
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type args struct {
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output []byte
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}
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tests := []struct {
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name string
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args args
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want *PingResult
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wantErr bool
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}{
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// TODO: Add test cases.
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := parseLinuxPing(tt.args.output)
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if (err != nil) != tt.wantErr {
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t.Errorf("parseLinuxPing() error = %v, wantErr %v", err, tt.wantErr)
|
||||
return
|
||||
}
|
||||
if !reflect.DeepEqual(got, tt.want) {
|
||||
t.Errorf("parseLinuxPing() = %v, want %v", got, tt.want)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_parseWindowsPing(t *testing.T) {
|
||||
type args struct {
|
||||
output []byte
|
||||
}
|
||||
tests := []struct {
|
||||
name string
|
||||
args args
|
||||
want *PingResult
|
||||
wantErr bool
|
||||
}{
|
||||
{
|
||||
name: "test",
|
||||
args: args{
|
||||
output: []byte(`
|
||||
Active code page: 437
|
||||
|
||||
Pinging www.google.com [216.58.221.164] with 32 bytes of data:
|
||||
Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
|
||||
Request timed out.
|
||||
Reply from 216.58.221.164: bytes=32 time=38ms TTL=51
|
||||
Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
|
||||
Reply from 216.58.221.164: bytes=32 time=37ms TTL=51
|
||||
|
||||
Ping statistics for 216.58.221.164:
|
||||
Packets: Sent = 5, Received = 4, Lost = 1 (20% loss),
|
||||
Approximate round trip times in milli-seconds:
|
||||
Minimum = 37ms, Maximum = 38ms, Average = 37ms
|
||||
|
||||
`),
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
got, err := parseWindowsPing(tt.args.output)
|
||||
if (err != nil) != tt.wantErr {
|
||||
t.Errorf("parseWindowsPing() error = %v, wantErr %v", err, tt.wantErr)
|
||||
return
|
||||
}
|
||||
if !reflect.DeepEqual(got, tt.want) {
|
||||
t.Errorf("parseWindowsPing() = %v, want %v", got, tt.want)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_parseDarwinPing(t *testing.T) {
|
||||
type args struct {
|
||||
output []byte
|
||||
}
|
||||
tests := []struct {
|
||||
name string
|
||||
args args
|
||||
want *PingResult
|
||||
wantErr bool
|
||||
}{
|
||||
{
|
||||
name: "test",
|
||||
args: args{
|
||||
output: []byte(`
|
||||
PING 192.168.1.1 (192.168.1.1): 56 data bytes
|
||||
64 bytes from 192.168.1.1: icmp_seq=0 ttl=64 time=1.664 ms
|
||||
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.971 ms
|
||||
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=3.934 ms
|
||||
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=3.539 ms
|
||||
64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=3.690 ms
|
||||
|
||||
--- 192.168.1.1 ping statistics ---
|
||||
5 packets transmitted, 5 packets received, 0.0% packet loss
|
||||
round-trip min/avg/max/stddev = 0.971/2.760/3.934/1.204 ms
|
||||
|
||||
`),
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
got, err := parseDarwinPing(tt.args.output)
|
||||
if (err != nil) != tt.wantErr {
|
||||
t.Errorf("parseDarwinPing() error = %v, wantErr %v", err, tt.wantErr)
|
||||
return
|
||||
}
|
||||
if !reflect.DeepEqual(got, tt.want) {
|
||||
t.Errorf("parseDarwinPing() = %v, want %v", got, tt.want)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
23
net/ping/ping_windows.go
Normal file
23
net/ping/ping_windows.go
Normal file
@ -0,0 +1,23 @@
|
||||
package ping
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os/exec"
|
||||
)
|
||||
|
||||
func Ping(destination string, options *PingOptions) (string, error) {
|
||||
options.Validate()
|
||||
|
||||
params := make([]string, 0)
|
||||
params = append(params, destination)
|
||||
params = append(params, fmt.Sprintf("-n %d", options.Retry))
|
||||
params = append(params, fmt.Sprintf("-w %d", options.Deadline*1000))
|
||||
|
||||
pCmd := exec.Command("cmd.exe", "/C", "chcp 437", "&&", "ping", params...)
|
||||
output, err := pCmd.CombinedOutput()
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return parseLinuxPing(output)
|
||||
}
|
||||
38
net/ping/ping_windows_test.go
Normal file
38
net/ping/ping_windows_test.go
Normal file
@ -0,0 +1,38 @@
|
||||
package ping
|
||||
|
||||
import "testing"
|
||||
|
||||
func TestPing(t *testing.T) {
|
||||
type args struct {
|
||||
destination string
|
||||
options *PingOptions
|
||||
}
|
||||
tests := []struct {
|
||||
name string
|
||||
args args
|
||||
want string
|
||||
wantErr bool
|
||||
}{
|
||||
{
|
||||
name: "192.168.1.1",
|
||||
args: args{
|
||||
destination: "192.168.1.1",
|
||||
options: &PingOptions{
|
||||
Retry: 4,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
got, err := Ping(tt.args.destination, tt.args.options)
|
||||
if (err != nil) != tt.wantErr {
|
||||
t.Errorf("Ping() error = %v, wantErr %v", err, tt.wantErr)
|
||||
return
|
||||
}
|
||||
if got != tt.want {
|
||||
t.Errorf("Ping() = %v, want %v", got, tt.want)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user