script to create a simulation database

This commit is contained in:
Evan Prodromou 2009-07-27 13:11:46 -04:00
parent a3a5d23c54
commit 50a343bcf7

142
scripts/createsim.php Normal file
View File

@ -0,0 +1,142 @@
#!/usr/bin/env php
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, 2009, Control Yourself, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
$shortoptions = 'u:n:b:t:x:';
$longoptions = array('users=', 'notices=', 'subscriptions=', 'tags=', 'prefix=');
$helptext = <<<END_OF_CREATESIM_HELP
Creates a lot of test users and notices to (loosely) simulate a real server.
-u --users Number of users (default 100)
-n --notices Average notices per user (default 100)
-b --subscriptions Average subscriptions per user (default no. users/20)
-t --tags Number of distinct hash tags (default 10000)
-x --prefix User name prefix (default 'testuser')
END_OF_CREATESIM_HELP;
require_once INSTALLDIR.'/scripts/commandline.inc';
// XXX: make these command-line options
function newUser($i)
{
global $userprefix;
User::register(array('nickname' => sprintf('%s%d', $userprefix, $i),
'password' => sprintf('password%d', $i),
'fullname' => sprintf('Test User %d', $i)));
}
function newNotice($i, $tagmax)
{
global $userprefix;
$n = rand(0, $i - 1);
$user = User::staticGet('nickname', sprintf('%s%d', $userprefix, $n));
$is_reply = rand(0, 4);
$content = 'Test notice content';
if ($is_reply == 0) {
$n = rand(0, $i - 1);
$content = "@$userprefix$n " . $content;
}
$has_hash = rand(0, 2);
if ($has_hash == 0) {
$hashcount = rand(0, 2);
for ($j = 0; $j < $hashcount; $j++) {
$h = rand(0, $tagmax);
$content .= " #tag{$h}";
}
}
$notice = Notice::saveNew($user->id, $content, 'system');
}
function newSub($i)
{
global $userprefix;
$f = rand(0, $i - 1);
$fromnick = sprintf('%s%d', $userprefix, $f);
$from = User::staticGet('nickname', $fromnick);
if (empty($from)) {
throw new Exception("Can't find user '$fromnick'.");
}
$t = rand(0, $i - 1);
if ($t == $f) {
$t++;
if ($t > $i - 1) {
$t = 0;
}
}
$tunic = sprintf('%s%d', $userprefix, $t);
$to = User::staticGet('nickname', $tunic);
if (empty($from)) {
throw new Exception("Can't find user '$tunic'.");
}
subs_subscribe_to($from, $to);
}
function main($usercount, $noticeavg, $subsavg, $tagmax)
{
$n = 1;
newUser(0);
// # registrations + # notices + # subs
$events = $usercount + ($usercount * ($noticeavg + $subsavg));
for ($i = 0; $i < $events; $i++)
{
$e = rand(0, 1 + $noticeavg + $subsavg);
if ($e == 0) {
newUser($n);
$n++;
} else if ($e < $noticeavg + 1) {
newNotice($n, $tagmax);
} else {
newSub($n);
}
}
}
$usercount = (have_option('u', 'users')) ? get_option_value('u', 'users') : 100;
$noticeavg = (have_option('n', 'notices')) ? get_option_value('n', 'notices') : 100;
$subsavg = (have_option('b', 'subscriptions')) ? get_option_value('b', 'subscriptions') : min($usercount/20, 10);
$tagmax = (have_option('t', 'tags')) ? get_option_value('t', 'tags') : 10000;
$userprefix = (have_option('x', 'prefix')) ? get_option_value('x', 'prefix') : 'testuser';
main($usercount, $noticeavg, $subsavg, $tagmax);