有没有一个Perl模块来测试互联网连接速度?

速度和带宽一样?或者说是延迟?对于后者,只需使用 Net::Ping

对于带宽,我不知道是否有现成的,有两种方法:

1. 你可以试着利用 ibmonitor

2. 否则,要测量下载带宽,请找到一个允许您通过下载大文件来测量带宽的网站(或在高性能网站上找到如此大的文件);启动计时器,开始下载该文件(例如使用 LWP Net::FTP

   类似于测量上传带宽的逻辑,但不是查找大文件,而是需要在internet上找到一个允许上传文件的位置(如公共存储库)。

#!/usr/bin/env perl
use warnings; use strict;
use 5.010;
use Time::HiRes qw(gettimeofday tv_interval);
use LWP::Simple;
use File::stat;

my %h = (
    '500x500'   => 505544,
    '750x750'   => 1118012,
    '1000x1000' => 1986284,
    '1500x1500' => 4468241,
    '2000x2000' => 7907740,
);

my $pixel = '1000x1000';
my $url_file = 'http://speedserver/file'.$pixel.'.jpg';
my $file = 'file'.$pixel.'.jpg';

unlink $file or die $! if -e $file;
my $start = gettimeofday;
my $response = getstore( $url_file, $file );
my $end = gettimeofday;

open my $fh, '>>', 'speed_test.txt' or die $!;
    say $fh scalar localtime;
    if ( not is_success $response ) {
        say $fh "error occured:";
        say $fh "HTTP response code = $response";
    }
    else {
        my $size = stat( $file )->size if -e $file;
        $size ||= 0;
        if ( $size == $h{$pixel} ) {
            my $bit = $size * 8;
            my $time = $end - $start;
            my $kbps = int( ( $bit / $time ) / 1000 );
            say $fh "$kbps kbit/s";
            say $fh "$pixel : $size";
        }
        else {
            say $fh "error occured:";
            say $fh "file_size is $size - file_size expected $h{$pixel}";
        }   
    }
    say $fh "";
close $fh;