perl+fastcgi+nginx搭建

nginx +fastcgi是php下最流行的一套环境了,那perl会不会也有fastcgi呢,当然有,今天来搭建下nginx下perl的fastcgi. 性能方面也不亚于php,但是现在web程序php的流行程度perl无法比拟了,性能再好也枉然,但是部分小功能可以考虑使用perl的fastcgi 来搞定.进入正题.

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nginx:http://www.nginx.org
perl:系统自带
fastcgi:http://www.cpan.org/modules/by-module/FCGI/

1.1 nginx安装
nginx安装过无数次,这边不在重复安装过程,如果你还没有安装nginx并且不知道怎么安装nginx,那么请先参考之前的文章《nginx安装配置》

1.2 perl安装
一般linux都有自带perl,可以不用安装,如果确实没有,请执行:

# yum install perl

1.3 perl-fastcgi安装

# cd /usr/local/src # wget http://www.cpan.org/modules/by-module/FCGI/FCGI-0.74.tar.gz # tar -xzvf FCGI-0.74.tar.gz # cd FCGI-0.74 # perl Makefile.PL # make # make install 2. nginx虚拟主机配置

server { listen 81; server_name test.ttlsa.com; #access_log /data/logs/nginx/test.ttlsa.com.access.log main; index index.html index.php index.html; root /data/site/test.ttlsa.com; location / { } location ~ .pl$ { include fastcgi_params; fastcgi_pass 127.0.0.1:8999; #fastcgi_pass unix:/var/run/ttlsa.com.perl.sock; fastcgi_index index.pl; } }

如果想把tcp/ip方式改为socket方式,可以修改fastcgi-wrapper.pl.

$socket = FCGI::OpenSocket( "127.0.0.1:8999", 10 ); #use IP sockets 改为 $socket = FCGI::OpenSocket( "/var/run/ttlsa.com.perl.sock", 10 ); #use IP sockets 3. 配置脚本

3.1 fastcgi监听脚本
文件路径:/usr/bin/fastcgi-wrapper.pl

#!/usr/bin/perl use FCGI; use Socket; use POSIX qw(setsid); require \'syscall.ph\'; &daemonize; #this keeps the program alive or something after exec\'ing perl scripts END() { } BEGIN() { } *CORE::GLOBAL::exit = sub { die "fakeexitnrc=".shift()."n"; }; eval q{exit}; if ($@) { exit unless $@ =~ /^fakeexit/; }; &main; sub daemonize() { chdir \'/\' or die "Can\'t chdir to /: $!"; defined(my $pid = fork) or die "Can\'t fork: $!"; exit if $pid; setsid or die "Can\'t start a new session: $!"; umask 0; } sub main { $socket = FCGI::OpenSocket( "127.0.0.1:8999", 10 ); #use IP sockets $request = FCGI::Request( *STDIN, *STDOUT, *STDERR, %req_params, $socket ); if ($request) { request_loop()}; FCGI::CloseSocket( $socket ); } sub request_loop { while( $request->Accept() >= 0 ) { #processing any STDIN input from WebServer (for CGI-POST actions) $stdin_passthrough =\'\'; $req_len = 0 + $req_params{\'CONTENT_LENGTH\'}; if (($req_params{\'REQUEST_METHOD\'} eq \'POST\') && ($req_len != 0) ){ my $bytes_read = 0; while ($bytes_read < $req_len) { my $data = \'\'; my $bytes = read(STDIN, $data, ($req_len - $bytes_read)); last if ($bytes == 0 || !defined($bytes)); $stdin_passthrough .= $data; $bytes_read += $bytes; } } #running the cgi app if ( (-x $req_params{SCRIPT_FILENAME}) && #can I execute this? (-s $req_params{SCRIPT_FILENAME}) && #Is this file empty? (-r $req_params{SCRIPT_FILENAME}) #can I read this file? ){ pipe(CHILD_RD, PARENT_WR); my $pid = open(KID_TO_READ, "-|"); unless(defined($pid)) { print("Content-type: text/plainrnrn"); print "Error: CGI app returned no output - "; print "Executing $req_params{SCRIPT_FILENAME} failed !n"; next; } if ($pid > 0) { close(CHILD_RD); print PARENT_WR $stdin_passthrough; close(PARENT_WR); while(my $s = ) { print $s; } close KID_TO_READ; waitpid($pid, 0); } else { foreach $key ( keys %req_params){ $ENV{$key} = $req_params{$key}; } # cd to the script\'s local directory if ($req_params{SCRIPT_FILENAME} =~ /^(.*)/[^/]+$/) { chdir $1; } close(PARENT_WR); close(STDIN); #fcntl(CHILD_RD, F_DUPFD, 0); syscall(&SYS_dup2, fileno(CHILD_RD), 0); #open(STDIN, "<&CHILD_RD"); exec($req_params{SCRIPT_FILENAME}); die("exec failed"); } } else { print("Content-type: text/plainrnrn"); print "Error: No such CGI app - $req_params{SCRIPT_FILENAME} may not "; print "exist or is not executable by this process.n"; } } }

3.2 fastcgi自启动服务脚本:

文件路径:/etc/rc.d/init.d/perl-fastcgi #!/bin/sh # # nginx – this script starts and stops the nginx daemon # # chkconfig: - 85 15 # description: Nginx is an HTTP(S) server, HTTP(S) reverse # proxy and IMAP/POP3 proxy server # processname: nginx # config: /opt/nginx/conf/nginx.conf # pidfile: /opt/nginx/logs/nginx.pid # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 perlfastcgi="/usr/bin/fastcgi-wrapper.pl" prog=$(basename perl) lockfile=/var/lock/subsys/perl-fastcgi start() { [ -x $perlfastcgi ] || exit 5 echo -n $"Starting $prog: " daemon $perlfastcgi retval=$? echo [ $retval -eq 0 ] && touch $lockfile return $retval } stop() { echo -n $"Stopping $prog: " killproc $prog -QUIT retval=$? echo [ $retval -eq 0 ] && rm -f $lockfile return $retval } restart() { stop start } reload() { echo -n $”Reloading $prog: ” killproc $nginx -HUP RETVAL=$? echo } force_reload() { restart } rh_status() { status $prog } rh_status_q() { rh_status >/dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; restart) $1 ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}" exit 2 esac

3.3 设置脚本权限

# chmod a+x /usr/bin/fastcgi-wrapper.pl # chmod a+x /etc/rc.d/init.d/perl-fastcgi 4. FastCGI测试

4.1 启动nginx与fastcgi # /usr/local/nginx-1.4.2/sbin/nginx # /etc/init.d/perl-fastcgi start

4.2 perl测试文件:
文件路径/data/site/test.ttlsa.com/test.pl

#!/usr/bin/perl print "Content-type:text/htmlnn"; print <Perl Environment Variables

Perl Environment Variables

EndOfHTML foreach $key (sort(keys %ENV)) { print "$key = $ENV{$key}
n"; } print ""; 5. 访问测试

5.1访问

http://http:test.ttlsa.com/test.pl,出现内容表示OK.

6. 简单压力测试:
6.1 使用tcp/ip方式

ab -n 1000 -c 10 http://test.ttlsa.com/test.pl

他是在是太慢了,只好用10个并发,共计100个请求来测试.

perl + fastcgi + tcp-ip

6.2 使用socket方式:

ab -n 100000 -c 500 http://test.ttlsa.com/tt

很奇怪,使用tcp/ip方式,每秒就140多个请求,而使用socket方式却有5800个请求/秒。差距不是一般的大。顺便测试了一下php的fastcgi,大概请求在3000(tcp/ip方式),4800(socket方式)。


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