有时候为了测试网络情况，需要返回每个阶段的耗时时间，比如DNS解析耗时，建立连接所消耗的时间，从建立连接到准备传输所使用的时间，从建立连接到传输开始所使用的时间，整个过程耗时，下载的数据量，下载速度，上传数据量，上传速度等等。下面的脚本获取以上信息：
CURL的资料参见： http://curl.haxx.se/libcurl/c/curl_easy_getinfo.html
###################################
### author: www.ttlsa.com ###
### QQ群: 39514058 ###
### E-mail: service@ttlsa.com ###
###################################
use strict;
use Data::Dumper;
use WWW::Curl::Easy;
if(!@ARGV){
print "Usaging: $0 urln";
print "For example: $0 www.ttlsa.comn";
exit;
}
my $curl = new WWW::Curl::Easy;
open my $response_body,">/dev/null";
$curl->setopt(CURLOPT_HEADER,1);
$curl->setopt(CURLOPT_URL, $ARGV[0]);
$curl->setopt(CURLOPT_WRITEDATA,$response_body);
$curl->perform;
my $err = $curl->errbuf;
if(!$err){
my $st = &getTime;
my $http_code = $curl->getinfo(CURLINFO_RESPONSE_CODE);
my $http_dns_time = $curl->getinfo(CURLINFO_NAMELOOKUP_TIME);
my $http_conn_time = $curl->getinfo(CURLINFO_CONNECT_TIME);
#my $http_APP_time = $curl->getinfo(CURLINFO_APPCONNECT_TIME);
my $http_PRE_TRAN_time = $curl->getinfo(CURLINFO_PRETRANSFER_TIME);
my $http_START_TRAN_time = $curl->getinfo(CURLINFO_STARTTRANSFER_TIME);
my $http_TOTAL_time = $curl->getinfo(CURLINFO_TOTAL_TIME);
my $http_SIZE_DOWN = $curl->getinfo(CURLINFO_SIZE_DOWNLOAD);
my $http_SPEED_DOWN = $curl->getinfo(CURLINFO_SPEED_DOWNLOAD);
printf "local_time: %s, http_code: %d, dns_time: %.3fms, conn_time: %.3fms, pre_tran_time: %.3fms, start_tran_time: %.3fms, total_time: %.3fms, size_download: %dB, speed_download: %dB/s",($st,$http_code,$http_dns_time,$http_conn_time,$http_PRE_TRAN_time,$http_START_TRAN_time,$http_TOTAL_time,$http_SIZE_DOWN,$http_SPEED_DOWN);
write;
format STDOUT_TOP=
站点各类响应时间明细-@||
$%
=========================
+---------------------+------+-------------+--------------+--------------------------+------------------------+-------------+-----------+------------+
| 本地时间 | 状态 | DNS解析时间 | 建立连接时间 | 从建立连接到准备传输时间 |从建立连接到开始传输时间| 整个过程时间| 下载数据量|平均下载速度|
+---------------------+------+-------------+--------------+--------------------------+------------------------+-------------+-----------+------------+
.
format STDOUT=
|@