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MultimeterSampleController.php
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Mon, Dec 23, 14:43

MultimeterSampleController.php
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<?php
final class MultimeterSampleController extends MultimeterController {
public function shouldAllowPublic() {
return true;
}
public function handleRequest(AphrontRequest $request) {
$viewer = $this->getViewer();
$group_map = $this->getColumnMap();
$group = explode('.', $request->getStr('group'));
$group = array_intersect($group, array_keys($group_map));
$group = array_fuse($group);
if (empty($group['type'])) {
$group['type'] = 'type';
}
$now = PhabricatorTime::getNow();
$ago = ($now - phutil_units('24 hours in seconds'));
$table = new MultimeterEvent();
$conn = $table->establishConnection('r');
$where = array();
$where[] = qsprintf(
$conn,
'epoch >= %d AND epoch <= %d',
$ago,
$now);
$with = array();
foreach ($group_map as $key => $column) {
// Don't let non-admins filter by viewers, this feels a little too
// invasive of privacy.
if ($key == 'viewer') {
if (!$viewer->getIsAdmin()) {
continue;
}
}
$with[$key] = $request->getStrList($key);
if ($with[$key]) {
$where[] = qsprintf(
$conn,
'%T IN (%Ls)',
$column,
$with[$key]);
}
}
$where = '('.implode(') AND (', $where).')';
$data = queryfx_all(
$conn,
'SELECT *,
count(*) AS N,
SUM(sampleRate * resourceCost) AS totalCost,
SUM(sampleRate * resourceCost) / SUM(sampleRate) AS averageCost
FROM %T
WHERE %Q
GROUP BY %Q
ORDER BY totalCost DESC, MAX(id) DESC
LIMIT 100',
$table->getTableName(),
$where,
implode(', ', array_select_keys($group_map, $group)));
$this->loadDimensions($data);
$phids = array();
foreach ($data as $row) {
$viewer_name = $this->getViewerDimension($row['eventViewerID'])
->getName();
$viewer_phid = $this->getEventViewerPHID($viewer_name);
if ($viewer_phid) {
$phids[] = $viewer_phid;
}
}
$handles = $viewer->loadHandles($phids);
$rows = array();
foreach ($data as $row) {
if ($row['N'] == 1) {
$events_col = $row['id'];
} else {
$events_col = $this->renderGroupingLink(
$group,
'id',
pht('%s Events', new PhutilNumber($row['N'])));
}
if (isset($group['request'])) {
$request_col = $row['requestKey'];
if (!$with['request']) {
$request_col = $this->renderSelectionLink(
'request',
$row['requestKey'],
$request_col);
}
} else {
$request_col = $this->renderGroupingLink($group, 'request');
}
if (isset($group['viewer'])) {
if ($viewer->getIsAdmin()) {
$viewer_col = $this->getViewerDimension($row['eventViewerID'])
->getName();
$viewer_phid = $this->getEventViewerPHID($viewer_col);
if ($viewer_phid) {
$viewer_col = $handles[$viewer_phid]->getName();
}
if (!$with['viewer']) {
$viewer_col = $this->renderSelectionLink(
'viewer',
$row['eventViewerID'],
$viewer_col);
}
} else {
$viewer_col = phutil_tag('em', array(), pht('(Masked)'));
}
} else {
$viewer_col = $this->renderGroupingLink($group, 'viewer');
}
if (isset($group['context'])) {
$context_col = $this->getContextDimension($row['eventContextID'])
->getName();
if (!$with['context']) {
$context_col = $this->renderSelectionLink(
'context',
$row['eventContextID'],
$context_col);
}
} else {
$context_col = $this->renderGroupingLink($group, 'context');
}
if (isset($group['host'])) {
$host_col = $this->getHostDimension($row['eventHostID'])
->getName();
if (!$with['host']) {
$host_col = $this->renderSelectionLink(
'host',
$row['eventHostID'],
$host_col);
}
} else {
$host_col = $this->renderGroupingLink($group, 'host');
}
if (isset($group['label'])) {
$label_col = $this->getLabelDimension($row['eventLabelID'])
->getName();
if (!$with['label']) {
$label_col = $this->renderSelectionLink(
'label',
$row['eventLabelID'],
$label_col);
}
} else {
$label_col = $this->renderGroupingLink($group, 'label');
}
if ($with['type']) {
$type_col = MultimeterEvent::getEventTypeName($row['eventType']);
} else {
$type_col = $this->renderSelectionLink(
'type',
$row['eventType'],
MultimeterEvent::getEventTypeName($row['eventType']));
}
$rows[] = array(
$events_col,
$request_col,
$viewer_col,
$context_col,
$host_col,
$type_col,
$label_col,
MultimeterEvent::formatResourceCost(
$viewer,
$row['eventType'],
$row['averageCost']),
MultimeterEvent::formatResourceCost(
$viewer,
$row['eventType'],
$row['totalCost']),
($row['N'] == 1)
? $row['sampleRate']
: '-',
phabricator_datetime($row['epoch'], $viewer),
);
}
$table = id(new AphrontTableView($rows))
->setHeaders(
array(
pht('ID'),
pht('Request'),
pht('Viewer'),
pht('Context'),
pht('Host'),
pht('Type'),
pht('Label'),
pht('Avg'),
pht('Cost'),
pht('Rate'),
pht('Epoch'),
))
->setColumnClasses(
array(
null,
null,
null,
null,
null,
null,
'wide',
'n',
'n',
'n',
null,
));
$box = id(new PHUIObjectBoxView())
->setHeaderText(
pht(
'Samples (%s - %s)',
phabricator_datetime($ago, $viewer),
phabricator_datetime($now, $viewer)))
->setTable($table);
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addTextCrumb(
pht('Samples'),
$this->getGroupURI(array(), true));
$crumb_map = array(
'host' => pht('By Host'),
'context' => pht('By Context'),
'viewer' => pht('By Viewer'),
'request' => pht('By Request'),
'label' => pht('By Label'),
'id' => pht('By ID'),
);
$parts = array();
foreach ($group as $item) {
if ($item == 'type') {
continue;
}
$parts[$item] = $item;
$crumbs->addTextCrumb(
idx($crumb_map, $item, $item),
$this->getGroupURI($parts, true));
}
return $this->buildApplicationPage(
array(
$crumbs,
$box,
),
array(
'title' => pht('Samples'),
));
}
private function renderGroupingLink(array $group, $key, $name = null) {
$group[] = $key;
$uri = $this->getGroupURI($group);
if ($name === null) {
$name = pht('(All)');
}
return phutil_tag(
'a',
array(
'href' => $uri,
'style' => 'font-weight: bold',
),
$name);
}
private function getGroupURI(array $group, $wipe = false) {
unset($group['type']);
$uri = clone $this->getRequest()->getRequestURI();
$group = implode('.', $group);
if (!strlen($group)) {
$group = null;
}
$uri->setQueryParam('group', $group);
if ($wipe) {
foreach ($this->getColumnMap() as $key => $column) {
$uri->setQueryParam($key, null);
}
}
return $uri;
}
private function renderSelectionLink($key, $value, $link_text) {
$value = (array)$value;
$uri = clone $this->getRequest()->getRequestURI();
$uri->setQueryParam($key, implode(',', $value));
return phutil_tag(
'a',
array(
'href' => $uri,
),
$link_text);
}
private function getColumnMap() {
return array(
'type' => 'eventType',
'host' => 'eventHostID',
'context' => 'eventContextID',
'viewer' => 'eventViewerID',
'request' => 'requestKey',
'label' => 'eventLabelID',
'id' => 'id',
);
}
private function getEventViewerPHID($viewer_name) {
if (!strncmp($viewer_name, 'user.', 5)) {
return substr($viewer_name, 5);
}
return null;
}
}

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