#!/usr/bin/env perl

use strict;
use warnings;

use Getopt::Std qw(getopts);
use Cwd qw/cwd/;

sub sh ($);
sub write_config_file ($);

my %opts;
getopts("lf:", \%opts) or die "Usage: $0 [-f] [-l] <cores>\n";

my $jobs = shift || 4;

my $cwd = cwd();
if ($cwd !~ /openresty-(\d+(?:\.\d+)+(?:rc\d+(?:\.\d+)?)?)$/) {
    die "Bad current working directory: $cwd\n";
}

my $ver = $1;

my ($make, $lua);

if ($^O eq 'freebsd' || $^O eq 'solaris') {
    $make = 'gmake';

} else {
    $make = 'make';
}

my $cfg_opts = "";

if ($opts{l}) {
    $lua = 'Lua';
    $cfg_opts .= " --with-lua51";

} else {
    $lua = 'LuaJIT';
    #$cfg_opts .= " --with-luajit";
}

if ($^O eq 'solaris') {
    $cfg_opts .= " --with-cc=gcc";
}

if ($^O eq 'darwin') {
    $cfg_opts .= " --with-cc-opt='-I/usr/local/opt/openssl/include/ "
               . "-I/usr/local/opt/pcre/include/'"
               . " --with-ld-opt='-L/usr/local/opt/openssl/lib/ "
               . "-L/usr/local/opt/pcre/lib/'";
}

my $prefix;

my $config = do { local $/; <DATA> };

sub write_config_file ($) {
    my $outfile = shift;
    warn "Writing file $outfile\n";
    open my $out, ">$outfile" or
        die "Cannot open $outfile for writing: $!\n";
    print $out $config;
    close $out;
}

write_config_file "/tmp/nginx.conf";

warn "=== --with-stream ===\n";
$prefix = "/usr/local/openresty-nogzip";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts --with-stream --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-stream'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "=== --with-stream + dtrace static probes ===\n";
$prefix = "/usr/local/openresty-nogzip";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts --with-dtrace-probes --with-stream --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-stream'";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-dtrace-probes'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "=== Without Gzip/SSL/PCRE ===\n";
$prefix = "/usr/local/openresty-nogzip";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts --without-http_rewrite_module --without-http_ssl_module --without-pcre --without-http_gzip_module --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--without-http_gzip_module'";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep -v -q '\\--with-http_ssl_module'";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--without-pcre'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

$cfg_opts .= " --with-http_iconv_module";

warn "\n=== --with-threads ===\n";
$prefix = "/usr/local/openresty-threads";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts --with-threads --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-threads'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "\n=== No Pool Build ===\n";
$prefix = "/usr/local/openresty-nopool";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure --with-no-pool-patch $cfg_opts --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
#sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-no-pool-patch'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/lua|grep 'no pool'";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "\n=== Normal Build ===\n";
$prefix = "/usr/local/openresty";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "\n=== Debug Build ===\n";
$prefix = "/usr/local/openresty-debug";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    my $more_cfg_opts = '';
    if ($lua eq 'LuaJIT') {
        $more_cfg_opts .= " --with-luajit-xcflags='-DLUA_USE_TRACE_LOGS'"
    }
    sh "./configure --with-debug $cfg_opts $more_cfg_opts --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-debug'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};
sh "sudo $prefix/nginx/sbin/nginx -sstop";

warn "\n=== DTrace Build ===\n";
$prefix = "/usr/local/openresty-dtrace";
sh "sudo rm -rf $prefix/lualib $prefix/luajit $prefix/bin $prefix/lua $prefix/nginx/sbin $prefix/nginx/html";
unless ($opts{f}) {
    sh "./configure $cfg_opts --with-dtrace-probes --prefix=$prefix -j$jobs > /dev/null";
}
sh "$make -j$jobs > /dev/null";
sh "sudo $make install > /dev/null";
sh "sudo cp /tmp/nginx.conf $prefix/nginx/conf/nginx.conf";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep $ver";
sh "$prefix/nginx/sbin/nginx -V 2>&1 |grep '\\--with-dtrace-probes'";
system "sudo killall nginx > /dev/null 2>&1";
sh "sudo $prefix/nginx/sbin/nginx";
sh "curl -si localhost/lua|grep $lua";
sh "curl -si localhost/lua|grep $ver";
sh "curl -si localhost/cjson|grep 'json.safe: '";
if ($^O eq 'linux') {
    sh "stap -L 'process(\"$prefix/nginx/sbin/nginx\").mark(\"*\")'|grep http__lua__coroutine__done";

} elsif ($^O eq 'freebsd' || $^O eq 'darwin' || $^O eq 'solaris') {
    sh "sudo dtrace -l|grep http-lua-coroutine-done";
}
sh qq{$prefix/bin/resty -e 'ngx.say("Hello World!")'|grep 'Hello World'};

sh "sudo $prefix/nginx/sbin/nginx -sstop";

sub sh ($) {
    my $cmd = shift;
    system($cmd) == 0 or die "Command \"$cmd\" failed";
}

__DATA__

user  nobody;
worker_processes  1;
error_log  logs/error.log;
pid        logs/nginx.pid;

events {
    accept_mutex off;
    worker_connections  256;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    init_by_lua '
        if jit then
            require "resty.core"
        end
    ';

    upstream backend {
        server 0.0.0.1;
        balancer_by_lua_block {
            print("balancer!")
        }
    }

    server {
        listen       *:80;
        server_name  localhost;

        location = /lua {
            content_by_lua '
                local upstream = require "ngx.upstream"
                if jit then
                    ngx.say(jit.version)
                else
                    ngx.say(_VERSION)
                end
            ';
        }

        location = /cjson {
            content_by_lua '
                local json = require "cjson.safe"
                ngx.say("cjson.safe: ", json.encode{foo = 123})
            ';
        }
    }
}