服务器 发布日期:2024/11/1 浏览次数:1
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.
1. 准备软件环境:
nginx:http://www.nginx.org
perl:系统自带
fastcgi:http://www.cpan.org/modules/by-module/FCGI/
1.1 nginx安装
这里就不再详细介绍了~
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 80; server_name test.jb51.net; #access_log /data/logs/nginx/test.jb51.net.access.log main; index index.html index.php index.html; root /data/site/test.jb51.net; location / { } location ~ \.pl$ { include fastcgi_params; fastcgi_pass 127.0.0.1:8999; #fastcgi_pass unix:/var/run/jb51.net.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
$socket = FCGI::OpenSocket( "/var/run/jb51.net.perl.sock", 10 ); #use IP sockets
3. 配置脚本
3.1 fastcgi监听脚本
文件路径:/usr/bin/fastcgi-wrapper.pl
#!/usr/bin/perl use FCGI; use Socket; use POSIX qw(setsid); require 'syscall.ph'; &daemonize; #this keeps the program alive or something after exec'ing perl scripts END() { } BEGIN() { } *CORE::GLOBAL::exit = sub { die "fakeexit\nrc=".shift()."\n"; }; eval q{exit}; if ($@) { 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 $req_params{SCRIPT_FILENAME}) && #can I execute this"-|"); unless(defined($pid)) { print("Content-type: text/plain\r\n\r\n"); 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 = <KID_TO_READ>) { 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/plain\r\n\r\n"); print "Error: No such CGI app - $req_params{SCRIPT_FILENAME} may not "; print "exist or is not executable by this process.\n"; } } }
3.2 fastcgi自启动服务脚本:
文件路径:/etc/rc.d/init.d/perl-fastcgi
文件路径:/etc/rc.d/init.d/perl-fastcgi
#!/bin/sh # # nginx – this script starts and stops the nginx daemon # # chkconfig: - 85 15 # description: Nginx is an HTTP(S) server, HTTP(S) reverse # proxy and IMAP/POP3 proxy server # processname: nginx # config: /opt/nginx/conf/nginx.conf # pidfile: /opt/nginx/logs/nginx.pid # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$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 $perlfastcgi retval=$"Stopping $prog: " killproc $prog -QUIT retval=$"$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.jb51.net/test.pl
#!/usr/bin/perl print "Content-type:text/html\n\n"; print <<EndOfHTML; <html><head><title>Perl Environment Variables</title></head> <body> <h1>Perl Environment Variables</h1> EndOfHTML foreach $key (sort(keys %ENV)) { print "$key = $ENV{$key}<br>\n"; } print "</body></html>";
5. 访问测试
5.1 访问
http://http:test.jb51.net/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.jb51.net/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.
6.2 使用socket方式:
ab -n 100000 -c 500 http://test.jb51.net/test.pl
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)。
perl模块的使用
如果对于一个绝大部分内容是静态的网站,只有极少数的地方需要动态显示,碰巧你又了解一点perl知识,那么nginx + perl的结合就能很好解决问题。要想nginx支持perl脚本,在编译nginx时候需要如下参数:
./configure --with-http_perl_module
如果make时候出现如下类似错误:
Can't locate ExtUtils/Embed.pm in @INC (@INC contains: /usr/lib/perl5/5.10.0/i386-linux-thread-multi /usr/lib/perl5/5.10.0 /usr/local/lib/perl5/site_perl/5.10.0/i386-linux-thread-multi /usr/local/lib/perl5/site_perl/5.10.0 /usr/lib/perl5/vendor_perl/5.10.0/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.10.0 /usr/lib/perl5/vendor_perl /usr/local/lib/perl5/site_perl .)
你的机器上可能需要安装perl-devel perl-ExtUtils-Embed,对于centos系统,直接使用yum搞定,例如:
yum -y install perl-devel perl-ExtUtils-Embed
nginx中使用perl有两种方法,一种是直接在配置文件写,还有一种是把perl脚本写在外部文件中,下面主要介绍一下第二种用法。
假设nginx的根目录为/usr/local/nginx,perl脚本存放的目录为nginx的根目录下的perl/lib下,脚本名字为test.pm,nginx配置为:
#位于http配置中 perl_modules perl/lib; perl_require test.pm; #位于server配置中 location /user/ { perl pkg_name::process; }
上述配置是把所有来自http://servername/user/下的请求交由test.pm脚本中定义的process方法来处理。
test.pm脚本的内容如下:
package pkg_name; use Time::Local; use nginx; sub process { my $r = shift; $r->send_http_header('text/html; charset=utf-8'); my @arr = split('/', $r->uri); my $username = @arr[2]; if (!$username || ($username eq "")) { $username = "Anonymous"; } $r->print('Hello, You name is : <strong>' . $username . '</strong>'); $r->rflush(); return; } 1; __END__
当你访问http://servername/user/netingcn,你应该可以在网页上看到:
Hello, You name is : netingcn
另外:当使用 use nginx 时,会有如下的对象可以调用,可以看到上面 shift 一个对象到 $r 上,然后就可以用 $r 调用那些对象了: