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phorge/src/applications/daemon/view/PhabricatorDaemonLogEventsView.php
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PhabricatorDaemonLogEventsView.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class PhabricatorDaemonLogEventsView extends AphrontView {
private $events;
private $combinedLog;
private $user;
public function setEvents(array $events) {
assert_instances_of($events, 'PhabricatorDaemonLogEvent');
$this->events = $events;
return $this;
}
public function setCombinedLog($is_combined) {
$this->combinedLog = $is_combined;
return $this;
}
public function setUser(PhabricatorUser $user) {
$this->user = $user;
return $this;
}
public function render() {
$rows = array();
if (!$this->user) {
throw new Exception("Call setUser() before rendering!");
}
foreach ($this->events as $event) {
// Limit display log size. If a daemon gets stuck in an output loop this
// page can be like >100MB if we don't truncate stuff. Try to do cheap
// line-based truncation first, and fall back to expensive UTF-8 character
// truncation if that doesn't get things short enough.
$message = $event->getMessage();
$more_lines = null;
$more_chars = null;
$line_limit = 12;
if (substr_count($message, "\n") > $line_limit) {
$message = explode("\n", $message);
$more_lines = count($message) - $line_limit;
$message = array_slice($message, 0, $line_limit);
$message = implode("\n", $message);
}
$char_limit = 8192;
if (strlen($message) > $char_limit) {
$message = phutil_utf8v($message);
$more_chars = count($message) - $char_limit;
$message = array_slice($message, 0, $char_limit);
$message = implode('', $message);
}
$more = null;
if ($more_chars) {
$more = number_format($more_chars);
$more = "\n<... {$more} more characters ...>";
} else if ($more_lines) {
$more = number_format($more_lines);
$more = "\n<... {$more} more lines ...>";
}
$row = array(
phutil_escape_html($event->getLogType()),
phabricator_date($event->getEpoch(), $this->user),
phabricator_time($event->getEpoch(), $this->user),
str_replace("\n", '<br />', phutil_escape_html($message.$more)),
);
if ($this->combinedLog) {
array_unshift(
$row,
phutil_render_tag(
'a',
array(
'href' => '/daemon/log/'.$event->getLogID().'/',
),
phutil_escape_html('Daemon '.$event->getLogID())));
}
$rows[] = $row;
}
$classes = array(
'',
'',
'right',
'wide wrap',
);
$headers = array(
'Type',
'Date',
'Time',
'Message',
);
if ($this->combinedLog) {
array_unshift($classes, 'pri');
array_unshift($headers, 'Daemon');
}
$log_table = new AphrontTableView($rows);
$log_table->setHeaders($headers);
$log_table->setColumnClasses($classes);
return $log_table->render();
}
}

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