/**
* Process screen.
*
* @return CDiv (screen inside container)
*/
public function get()
{
$this->dataId = 'graph_' . $this->screenitem['screenitemid'] . '_' . $this->screenitem['screenid'];
$resourceId = isset($this->screenitem['real_resourceid']) ? $this->screenitem['real_resourceid'] : $this->screenitem['resourceid'];
$containerId = 'graph_container_' . $this->screenitem['screenitemid'] . '_' . $this->screenitem['screenid'];
$graphDims = getGraphDims($resourceId);
$graphDims['graphHeight'] = $this->screenitem['height'];
$graphDims['width'] = $this->screenitem['width'];
$graph = getGraphByGraphId($resourceId);
$graphId = $graph['graphid'];
$legend = $graph['show_legend'];
$graph3d = $graph['show_3d'];
if ($this->screenitem['dynamic'] == SCREEN_DYNAMIC_ITEM && $this->hostid) {
// get host
$hosts = API::Host()->get(['hostids' => $this->hostid, 'output' => ['hostid', 'name']]);
$host = reset($hosts);
// get graph
$graph = API::Graph()->get(['graphids' => $resourceId, 'output' => API_OUTPUT_EXTEND, 'selectHosts' => ['hostid'], 'selectGraphItems' => API_OUTPUT_EXTEND]);
$graph = reset($graph);
// if items from one host we change them, or set calculated if not exist on that host
if (count($graph['hosts']) == 1) {
if ($graph['ymax_type'] == GRAPH_YAXIS_TYPE_ITEM_VALUE && $graph['ymax_itemid']) {
$newDynamic = getSameGraphItemsForHost([['itemid' => $graph['ymax_itemid']]], $this->hostid, false);
$newDynamic = reset($newDynamic);
if (isset($newDynamic['itemid']) && $newDynamic['itemid'] > 0) {
$graph['ymax_itemid'] = $newDynamic['itemid'];
} else {
$graph['ymax_type'] = GRAPH_YAXIS_TYPE_CALCULATED;
}
}
if ($graph['ymin_type'] == GRAPH_YAXIS_TYPE_ITEM_VALUE && $graph['ymin_itemid']) {
$newDynamic = getSameGraphItemsForHost([['itemid' => $graph['ymin_itemid']]], $this->hostid, false);
$newDynamic = reset($newDynamic);
if (isset($newDynamic['itemid']) && $newDynamic['itemid'] > 0) {
$graph['ymin_itemid'] = $newDynamic['itemid'];
} else {
$graph['ymin_type'] = GRAPH_YAXIS_TYPE_CALCULATED;
}
}
}
// get url
$this->screenitem['url'] = $graph['graphtype'] == GRAPH_TYPE_PIE || $graph['graphtype'] == GRAPH_TYPE_EXPLODED ? 'chart7.php' : 'chart3.php';
$this->screenitem['url'] = new CUrl($this->screenitem['url']);
foreach ($graph as $name => $value) {
if ($name == 'width' || $name == 'height') {
continue;
}
$this->screenitem['url']->setArgument($name, $value);
}
$newGraphItems = getSameGraphItemsForHost($graph['gitems'], $this->hostid, false);
foreach ($newGraphItems as $newGraphItem) {
unset($newGraphItem['gitemid'], $newGraphItem['graphid']);
foreach ($newGraphItem as $name => $value) {
$this->screenitem['url']->setArgument('items[' . $newGraphItem['itemid'] . '][' . $name . ']', $value);
}
}
$this->screenitem['url']->setArgument('name', $host['name'] . NAME_DELIMITER . $graph['name']);
$this->screenitem['url'] = $this->screenitem['url']->getUrl();
}
// get time control
$timeControlData = ['id' => $this->getDataId(), 'containerid' => $containerId, 'objDims' => $graphDims, 'loadSBox' => 0, 'loadImage' => 1, 'periodFixed' => CProfile::get('web.screens.timelinefixed', 1), 'sliderMaximumTimePeriod' => ZBX_MAX_PERIOD];
$isDefault = false;
if ($graphDims['graphtype'] == GRAPH_TYPE_PIE || $graphDims['graphtype'] == GRAPH_TYPE_EXPLODED) {
if ($this->screenitem['dynamic'] == SCREEN_SIMPLE_ITEM || $this->screenitem['url'] === '') {
$this->screenitem['url'] = 'chart6.php?graphid=' . $resourceId . '&screenid=' . $this->screenitem['screenid'];
$isDefault = true;
}
$this->timeline['starttime'] = date(TIMESTAMP_FORMAT, get_min_itemclock_by_graphid($resourceId));
$timeControlData['src'] = $this->screenitem['url'] . '&width=' . $this->screenitem['width'] . '&height=' . $this->screenitem['height'] . '&legend=' . $legend . '&graph3d=' . $graph3d . $this->getProfileUrlParams();
$timeControlData['src'] .= $this->mode == SCREEN_MODE_EDIT ? '&period=3600&stime=' . date(TIMESTAMP_FORMAT, time()) : '&period=' . $this->timeline['period'] . '&stime=' . $this->timeline['stimeNow'];
} else {
if ($this->screenitem['dynamic'] == SCREEN_SIMPLE_ITEM || $this->screenitem['url'] === '') {
$this->screenitem['url'] = 'chart2.php?graphid=' . $resourceId . '&screenid=' . $this->screenitem['screenid'];
$isDefault = true;
}
if ($this->mode != SCREEN_MODE_EDIT && $graphId) {
if ($this->mode == SCREEN_MODE_PREVIEW) {
$timeControlData['loadSBox'] = 1;
}
}
$timeControlData['src'] = $this->screenitem['url'] . '&width=' . $this->screenitem['width'] . '&height=' . $this->screenitem['height'] . '&legend=' . $legend . $this->getProfileUrlParams();
$timeControlData['src'] .= $this->mode == SCREEN_MODE_EDIT ? '&period=3600&stime=' . date(TIMESTAMP_FORMAT, time()) : '&period=' . $this->timeline['period'] . '&stime=' . $this->timeline['stimeNow'];
}
// output
if ($this->mode == SCREEN_MODE_JS) {
return 'timeControl.addObject("' . $this->getDataId() . '", ' . CJs::encodeJson($this->timeline) . ', ' . CJs::encodeJson($timeControlData) . ')';
} else {
if ($this->mode == SCREEN_MODE_SLIDESHOW) {
insert_js('timeControl.addObject("' . $this->getDataId() . '", ' . CJs::encodeJson($this->timeline) . ', ' . CJs::encodeJson($timeControlData) . ');');
} else {
zbx_add_post_js('timeControl.addObject("' . $this->getDataId() . '", ' . CJs::encodeJson($this->timeline) . ', ' . CJs::encodeJson($timeControlData) . ');');
}
if ($this->mode == SCREEN_MODE_EDIT || $this->mode == SCREEN_MODE_SLIDESHOW || !$isDefault) {
$item = new CDiv();
} elseif ($this->mode == SCREEN_MODE_PREVIEW) {
$item = new CLink(null, 'charts.php?graphid=' . $resourceId . '&period=' . $this->timeline['period'] . '&stime=' . $this->timeline['stimeNow']);
}
$item->setId($containerId);
return $this->getOutput($item);
}
}
protected function inherit($graph, $hostids = null)
{
$graphTemplates = API::Template()->get(array('itemids' => zbx_objectValues($graph['gitems'], 'itemid'), 'output' => array('templateid'), 'nopermissions' => true));
if (empty($graphTemplates)) {
return true;
}
$graphTemplate = reset($graphTemplates);
$chdHosts = API::Host()->get(array('templateids' => $graphTemplate['templateid'], 'output' => array('hostid', 'host'), 'preservekeys' => true, 'hostids' => $hostids, 'nopermissions' => true, 'templated_hosts' => true));
$graph = $this->get(array('graphids' => $graph['graphid'], 'nopermissions' => true, 'filter' => array('flags' => null), 'selectGraphItems' => API_OUTPUT_EXTEND, 'output' => API_OUTPUT_EXTEND));
$graph = reset($graph);
foreach ($chdHosts as $chdHost) {
$tmpGraph = $graph;
$tmpGraph['templateid'] = $graph['graphid'];
$tmpGraph['gitems'] = getSameGraphItemsForHost($tmpGraph['gitems'], $chdHost['hostid']);
if (!$tmpGraph['gitems']) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" cannot inherit. No required items on "%2$s".', $tmpGraph['name'], $chdHost['host']));
}
if ($tmpGraph['ymax_itemid'] > 0) {
$ymaxItemid = getSameGraphItemsForHost(array(array('itemid' => $tmpGraph['ymax_itemid'])), $chdHost['hostid']);
if (!$ymaxItemid) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" cannot inherit. No required items on "%2$s" (Ymax value item).', $tmpGraph['name'], $chdHost['host']));
}
$ymaxItemid = reset($ymaxItemid);
$tmpGraph['ymax_itemid'] = $ymaxItemid['itemid'];
}
if ($tmpGraph['ymin_itemid'] > 0) {
$yminItemid = getSameGraphItemsForHost(array(array('itemid' => $tmpGraph['ymin_itemid'])), $chdHost['hostid']);
if (!$yminItemid) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" cannot inherit. No required items on "%2$s" (Ymin value item).', $tmpGraph['name'], $chdHost['host']));
}
$yminItemid = reset($yminItemid);
$tmpGraph['ymin_itemid'] = $yminItemid['itemid'];
}
// check if templated graph exists
$chdGraphs = $this->get(array('filter' => array('templateid' => $tmpGraph['graphid'], 'flags' => array(ZBX_FLAG_DISCOVERY_PROTOTYPE, ZBX_FLAG_DISCOVERY_NORMAL)), 'output' => API_OUTPUT_EXTEND, 'selectGraphItems' => API_OUTPUT_EXTEND, 'preservekeys' => true, 'hostids' => $chdHost['hostid']));
if ($chdGraph = reset($chdGraphs)) {
if ($tmpGraph['name'] !== $chdGraph['name']) {
$graphExists = $this->get(array('output' => array('graphid'), 'hostids' => $chdHost['hostid'], 'filter' => array('name' => $tmpGraph['name'], 'flags' => null), 'nopermissions' => true, 'limit' => 1));
if ($graphExists) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" already exists on "%2$s".', $tmpGraph['name'], $chdHost['host']));
}
} elseif ($chdGraph['flags'] != $tmpGraph['flags']) {
self::exception(ZBX_API_ERROR_PARAMETERS, _('Graph with same name but other type exist.'));
}
$tmpGraph['graphid'] = $chdGraph['graphid'];
$this->updateReal($tmpGraph, $chdGraph);
} else {
$chdGraph = $this->get(array('filter' => array('name' => $tmpGraph['name'], 'flags' => null), 'output' => API_OUTPUT_EXTEND, 'selectGraphItems' => API_OUTPUT_EXTEND, 'preservekeys' => true, 'nopermissions' => true, 'hostids' => $chdHost['hostid']));
if ($chdGraph = reset($chdGraph)) {
if ($chdGraph['templateid'] != 0) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" already exists on "%2$s" (inherited from another template).', $tmpGraph['name'], $chdHost['host']));
} elseif ($chdGraph['flags'] != $tmpGraph['flags']) {
self::exception(ZBX_API_ERROR_PARAMETERS, _('Graph with same name but other type exist.'));
}
$chdGraphItemItems = array();
foreach (array(API::Item(), API::ItemPrototype()) as $api) {
$chdGraphItemItems += $api->get(array('output' => array('key_', 'hostid', 'itemid'), 'itemids' => zbx_objectValues($chdGraph['gitems'], 'itemid'), 'preservekeys' => true));
}
if (count($chdGraph['gitems']) == count($tmpGraph['gitems'])) {
foreach ($tmpGraph['gitems'] as $gitem) {
foreach ($chdGraph['gitems'] as $chdGraphItem) {
$chdGraphItemItem = $chdGraphItemItems[$chdGraphItem['itemid']];
if ($gitem['key_'] == $chdGraphItemItem['key_'] && bccomp($chdHost['hostid'], $chdGraphItemItem['hostid']) == 0) {
continue 2;
}
}
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" already exists on "%2$s" (items are not identical).', $tmpGraph['name'], $chdHost['host']));
}
$tmpGraph['graphid'] = $chdGraph['graphid'];
$this->updateReal($tmpGraph, $chdGraph);
} else {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Graph "%1$s" already exists on "%2$s" (items are not identical).', $tmpGraph['name'], $chdHost['host']));
}
} else {
$graphid = $this->createReal($tmpGraph);
$tmpGraph['graphid'] = $graphid;
}
}
$this->inherit($tmpGraph);
}
}
/**
* Copy specified graph to specified host.
*
* @param string $graphId
* @param string $hostId
*
* @return array
*/
function copyGraphToHost($graphId, $hostId)
{
$graphs = API::Graph()->get(array('graphids' => $graphId, 'output' => API_OUTPUT_EXTEND, 'selectHosts' => array('hostid', 'name'), 'selectGraphItems' => API_OUTPUT_EXTEND));
$graph = reset($graphs);
$graphHost = reset($graph['hosts']);
if ($graphHost['hostid'] == $hostId) {
error(_s('Graph "%1$s" already exists on "%2$s".', $graph['name'], $graphHost['name']));
return false;
}
$graph['gitems'] = getSameGraphItemsForHost($graph['gitems'], $hostId, true, array(ZBX_FLAG_DISCOVERY_NORMAL, ZBX_FLAG_DISCOVERY_CREATED));
if (!$graph['gitems']) {
$host = get_host_by_hostid($hostId);
info(_s('Skipped copying of graph "%1$s" to host "%2$s".', $graph['name'], $host['host']));
return false;
}
// retrieve actual ymax_itemid and ymin_itemid
if ($graph['ymax_itemid'] && ($itemId = get_same_item_for_host($graph['ymax_itemid'], $hostId))) {
$graph['ymax_itemid'] = $itemId;
}
if ($graph['ymin_itemid'] && ($itemId = get_same_item_for_host($graph['ymin_itemid'], $hostId))) {
$graph['ymin_itemid'] = $itemId;
}
unset($graph['templateid']);
return API::Graph()->create($graph);
}
