tcp ping命令行
tcping的Python项目详细描述
一个类似于 ping 的系统工具， 检测在连接 tcp 时候的延迟， 比较正确是反应出网络的延迟情况，毕竟 tcp 用途比较广。
虽然和 icmp 的 ping 原理不同，ping 命令也能很大程度上反映出网络的延迟， 但是该矫情还是要矫情一把的。
Usage
pip install tcping
➜ ~ tcping api.github.com Connected to api.github.com[:80]: seq=1 time=236.44 ms Connected to api.github.com[:80]: seq=2 time=237.99 ms Connected to api.github.com[:80]: seq=3 time=248.88 ms Connected to api.github.com[:80]: seq=4 time=233.51 ms Connected to api.github.com[:80]: seq=5 time=249.23 ms Connected to api.github.com[:80]: seq=6 time=249.77 ms Connected to api.github.com[:80]: seq=7 time=235.82 ms Connected to api.github.com[:80]: seq=8 time=242.30 ms Connected to api.github.com[:80]: seq=9 time=248.26 ms Connected to api.github.com[:80]: seq=10 time=251.77 ms --- api.github.com[:80] tcping statistics --- 10 connections, 10 successed, 0 failed, 100.00% success rate minimum = 233.51ms, maximum = 251.77ms, average = 243.40ms
呵呵，GFW，66666
➜ ~ tcping --help Usage: tcping [OPTIONS] HOST Options: -p, --port INTEGER Tcp port -c, --count INTEGER Try connections counts -t, --timeout FLOAT Timeout seconds --report / --no-report Show report to replace statistics --help
其中这个 --report 可以生成一个 ascii 的 table，好看一点吧。。。
➜ ~ tcping api.github.com -c 3 --report Connected to api.github.com[:80]: seq=1 time=237.79 ms Connected to api.github.com[:80]: seq=2 time=237.72 ms Connected to api.github.com[:80]: seq=3 time=258.53 ms +----------------+------+-----------+--------+--------------+----------+----------+----------+ | Host | Port | Successed | Failed | Success Rate | Minimum | Maximum | Average | +----------------+------+-----------+--------+--------------+----------+----------+----------+ | api.github.com | 80 | 3 | 0 | 100.00% | 237.72ms | 258.53ms | 244.68ms | +----------------+------+-----------+--------+--------------+----------+----------+----------+
END
其实写这个主要是为了测试搭建翻墙 VPS 的 tcp 延迟。。。
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