/**
* Usually aborts on failure
* If errors are explicitly ignored, returns success
* @param $sql String: SQL query
* @param $db Mixed: database handler
* @param $fname String: name of the php function calling
*/
function wfQuery($sql, $db, $fname = '')
{
if (!is_numeric($db)) {
# Someone has tried to call this the old way
throw new FatalError(wfMsgNoDB('wrong_wfQuery_params', $db, $sql));
}
$c = wfGetDB($db);
if ($c !== false) {
return $c->query($sql, $fname);
} else {
return false;
}
}
} else {
if (0 == $u->idForName()) {
$u->addToDatabase();
$u->setPassword($conf->getSysopPass());
$u->saveSettings();
$u->addGroup("sysop");
$u->addGroup("bureaucrat");
print "<li>Created sysop account <tt>" . htmlspecialchars($conf->SysopName) . "</tt>.</li>\n";
} else {
print "<li>Could not create user - already exists!</li>\n";
}
}
} else {
print "<li>Skipped sysop account creation, no name given.</li>\n";
}
$titleobj = Title::newFromText(wfMsgNoDB("mainpage"));
$article = new Article($titleobj);
$newid = $article->insertOn($wgDatabase);
$revision = new Revision(array('page' => $newid, 'text' => wfMsg('mainpagetext') . "\n\n" . wfMsgNoTrans('mainpagedocfooter'), 'comment' => '', 'user' => 0, 'user_text' => 'MediaWiki default'));
$revid = $revision->insertOn($wgDatabase);
$article->updateRevisionOn($wgDatabase, $revision);
}
/* Write out the config file now that all is well */
print "<li style=\"list-style: none\">\n";
print "<p>Creating LocalSettings.php...</p>\n\n";
$localSettings = "<" . "?php{$endl}{$local}";
// Fix up a common line-ending problem (due to CVS on Windows)
$localSettings = str_replace("\r\n", "\n", $localSettings);
$f = fopen("LocalSettings.php", 'xt');
if ($f == false) {
print "</li>\n";
function getHTML()
{
if ($this->useMessageCache()) {
return wfMsgNoDB('dberrortext', htmlspecialchars($this->getSQL()), htmlspecialchars($this->fname), $this->errno, htmlspecialchars($this->error));
} else {
return nl2br(htmlspecialchars($this->getMessage()));
}
}
/**
* Get the index of the reader connection, which may be a slave
* This takes into account load ratios and lag times. It should
* always return a consistent index during a given invocation
*
* Side effect: opens connections to databases
*/
function getReaderIndex()
{
global $wgMaxLag, $wgReadOnly, $wgDBClusterTimeout;
$fname = 'LoadBalancer::getReaderIndex';
wfProfileIn($fname);
$i = false;
if ($this->mForce >= 0) {
$i = $this->mForce;
} else {
if ($this->mReadIndex >= 0) {
$i = $this->mReadIndex;
} else {
# $loads is $this->mLoads except with elements knocked out if they
# don't work
$loads = $this->mLoads;
$done = false;
$totalElapsed = 0;
do {
if ($wgReadOnly) {
$i = $this->pickRandom($loads);
} else {
$i = $this->getRandomNonLagged($loads);
if ($i === false && count($loads) != 0) {
# All slaves lagged. Switch to read-only mode
$wgReadOnly = wfMsgNoDB('readonly_lag');
$i = $this->pickRandom($loads);
}
}
if ($i !== false) {
wfDebug("Using reader #{$i}: {$this->mServers[$i]['host']}...\n");
$this->openConnection($i);
if (!$this->isOpen($i)) {
wfDebug("Failed\n");
unset($loads[$i]);
$sleepTime = 0;
} else {
$status = $this->mConnections[$i]->getStatus();
if (isset($this->mServers[$i]['max threads']) && $status['Threads_running'] > $this->mServers[$i]['max threads']) {
# Slave is lagged, wait for a while
$sleepTime = 5000 * $status['Threads_connected'];
# If we reach the timeout and exit the loop, don't use it
$i = false;
} else {
$done = true;
$sleepTime = 0;
}
}
} else {
$sleepTime = 500000;
}
if ($sleepTime) {
$totalElapsed += $sleepTime;
usleep($sleepTime);
}
} while (count($loads) && !$done && $totalElapsed / 1000000.0 < $wgDBClusterTimeout);
if ($i !== false && $this->isOpen($i)) {
# Wait for the session master pos for a short time
if ($this->mWaitForFile) {
if (!$this->doWait($i)) {
$this->mServers[$i]['slave pos'] = $this->mConnections[$i]->getSlavePos();
}
}
if ($i !== false) {
$this->mReadIndex = $i;
}
} else {
$i = false;
}
}
}
wfProfileOut($fname);
return $i;
}
function getHTML()
{
global $wgShowDBErrorBacktrace;
if ($this->useMessageCache()) {
$s = wfMsgNoDB('dberrortext', htmlspecialchars($this->getSQL()), htmlspecialchars($this->fname), $this->errno, htmlspecialchars($this->error));
} else {
$s = nl2br(htmlspecialchars($this->getMessage()));
}
if ($wgShowDBErrorBacktrace) {
$s .= '<p>Backtrace:</p><p>' . nl2br(htmlspecialchars($this->getTraceAsString()));
}
return $s;
}
/**
* Get the index of the reader connection, which may be a slave
* This takes into account load ratios and lag times. It should
* always return a consistent index during a given invocation
*
* Side effect: opens connections to databases
*/
function getReaderIndex()
{
global $wgReadOnly, $wgDBClusterTimeout;
$fname = 'LoadBalancer::getReaderIndex';
wfProfileIn($fname);
$i = false;
if ($this->mForce >= 0) {
$i = $this->mForce;
} else {
if ($this->mReadIndex >= 0) {
$i = $this->mReadIndex;
} else {
# $loads is $this->mLoads except with elements knocked out if they
# don't work
$loads = $this->mLoads;
$done = false;
$totalElapsed = 0;
do {
if ($wgReadOnly or $this->mAllowLagged) {
$i = $this->pickRandom($loads);
} else {
$i = $this->getRandomNonLagged($loads);
if ($i === false && count($loads) != 0) {
# All slaves lagged. Switch to read-only mode
$wgReadOnly = wfMsgNoDB('readonly_lag');
$i = $this->pickRandom($loads);
}
}
$serverIndex = $i;
if ($i !== false) {
wfDebugLog('connect', "{$fname}: Using reader #{$i}: {$this->mServers[$i]['host']}...\n");
$this->openConnection($i);
if (!$this->isOpen($i)) {
wfDebug("{$fname}: Failed\n");
unset($loads[$i]);
$sleepTime = 0;
} else {
$status = $this->mConnections[$i]->getStatus("Thread%");
if (isset($this->mServers[$i]['max threads']) && $status['Threads_running'] > $this->mServers[$i]['max threads']) {
# Too much load, back off and wait for a while.
# The sleep time is scaled by the number of threads connected,
# to produce a roughly constant global poll rate.
$sleepTime = AVG_STATUS_POLL * $status['Threads_connected'];
# If we reach the timeout and exit the loop, don't use it
$i = false;
} else {
$done = true;
$sleepTime = 0;
}
}
} else {
$sleepTime = 500000;
}
if ($sleepTime) {
$totalElapsed += $sleepTime;
$x = "{$this->mServers[$serverIndex]['host']} [{$serverIndex}]";
wfProfileIn("{$fname}-sleep {$x}");
usleep($sleepTime);
wfProfileOut("{$fname}-sleep {$x}");
}
} while (count($loads) && !$done && $totalElapsed / 1000000.0 < $wgDBClusterTimeout);
if ($totalElapsed / 1000000.0 >= $wgDBClusterTimeout) {
$this->mErrorConnection = false;
$this->mLastError = 'All servers busy';
}
if ($i !== false && $this->isOpen($i)) {
# Wait for the session master pos for a short time
if ($this->mWaitForFile) {
if (!$this->doWait($i)) {
$this->mServers[$i]['slave pos'] = $this->mConnections[$i]->getSlavePos();
}
}
if ($i !== false) {
$this->mReadIndex = $i;
}
} else {
$i = false;
}
}
}
wfProfileOut($fname);
return $i;
}
function databaseError($fname, $sql, $error, $errno)
{
global $wgUser, $wgCommandLineMode, $wgShowSQLErrors;
$this->setPageTitle(wfMsgNoDB('databaseerror'));
$this->setRobotpolicy('noindex,nofollow');
$this->setArticleRelated(false);
$this->enableClientCache(false);
$this->mRedirect = '';
if (!$wgShowSQLErrors) {
$sql = wfMsg('sqlhidden');
}
if ($wgCommandLineMode) {
$msg = wfMsgNoDB('dberrortextcl', htmlspecialchars($sql), htmlspecialchars($fname), $errno, htmlspecialchars($error));
} else {
$msg = wfMsgNoDB('dberrortext', htmlspecialchars($sql), htmlspecialchars($fname), $errno, htmlspecialchars($error));
}
if ($wgCommandLineMode || !is_object($wgUser)) {
print $msg . "\n";
wfErrorExit();
}
$this->mBodytext = $msg;
$this->output();
wfErrorExit();
}
