http_ping.1

http ping linux下的一个检查url的工具

.TH http_ping 1 "03 April 2002"
.SH NAME
http_ping - measure HTTP latency
.SH SYNOPSIS
.B http_ping
.RB [ -count
.IR n ]
.RB [ -interval
.IR n ]
.RB [ -quiet ]
.RB [ -proxy
.IR host:port ]
.I url
.SH DESCRIPTION
.PP
.I http_ping
runs an HTTP fetch every few seconds, timing how long it takes.
.PP
Sample run:
.nf
  % http_ping http://www.example.com/
  7816 bytes from http://www.example.com/: 246.602 ms (9.923c/23.074r/213.605d)
  7816 bytes from http://www.example.com/: 189.997 ms (11.619c/22.971r/155.407d)
  7816 bytes from http://www.example.com/: 190.463 ms (8.994c/25.091r/156.378d)
  7816 bytes from http://www.example.com/: 190.07 ms (9.234c/23.9r/156.936d)
  7816 bytes from http://www.example.com/: 190.706 ms (10.142c/46.579r/133.985d)
  ^C
  --- http://www.example.com/ http_ping statistics ---
  5 fetches started, 5 completed (100%), 0 failures (0%), 0 timeouts (0%)
  total    min/avg/max = 189.997/201.568/246.602 ms
  connect  min/avg/max = 8.994/9.9824/11.619 ms
  response min/avg/max = 22.971/28.323/46.579 ms
  data     min/avg/max = 133.985/163.262/213.605 ms
.fi
.SH OPTIONS
.TP
.B -count
Stop after the specified number of fetches.
Without this option, http_ping will continue until interrupted.
.TP
.B -interval
Wait the specified number of seconds between fetches.
The default is five seconds.
.TP
.B -quiet
Only display the summary info at the end.
.TP
.B -proxy
Specifies a proxy host and port to use.
.SH "SEE ALSO"
http_load(1), http_get(1), ping(8)
.SH AUTHOR
Copyright