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<?php
/**
* Profiler sending messages over UDP.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Profiler
*/
/**
* ProfilerSimpleUDP class, that sends out messages for 'udpprofile' daemon
* (the one from
* http://git.wikimedia.org/tree/operations%2Fsoftware.git/master/udpprofile)
* @ingroup Profiler
*/
class ProfilerSimpleUDP extends ProfilerStandard {
protected function collateOnly() {
return true;
}
public function isPersistent() {
return true;
}
public function logData() {
global $wgUDPProfilerHost, $wgUDPProfilerPort, $wgUDPProfilerFormatString;
$this->close();
if ( !function_exists( 'socket_create' ) ) {
# Sockets are not enabled
return;
}
$sock = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
$plength = 0;
$packet = "";
foreach ( $this->mCollated as $entry => $pfdata ) {
if ( !isset( $pfdata['count'] )
|| !isset( $pfdata['cpu'] )
|| !isset( $pfdata['cpu_sq'] )
|| !isset( $pfdata['real'] )
|| !isset( $pfdata['real_sq'] ) ) {
continue;
}
$pfline = sprintf( $wgUDPProfilerFormatString, $this->getProfileID(), $pfdata['count'],
$pfdata['cpu'], $pfdata['cpu_sq'], $pfdata['real'], $pfdata['real_sq'], $entry,
$pfdata['memory'] );
$length = strlen( $pfline );
/* printf("<!-- $pfline -->"); */
if ( $length + $plength > 1400 ) {
socket_sendto( $sock, $packet, $plength, 0, $wgUDPProfilerHost, $wgUDPProfilerPort );
$packet = "";
$plength = 0;
}
$packet .= $pfline;
$plength += $length;
}
socket_sendto( $sock, $packet, $plength, 0x100, $wgUDPProfilerHost, $wgUDPProfilerPort );
}
}
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