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-rw-r--r--library/Businessprocess/Node.php546
1 files changed, 546 insertions, 0 deletions
diff --git a/library/Businessprocess/Node.php b/library/Businessprocess/Node.php
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+<?php
+
+namespace Icinga\Module\Businessprocess;
+
+use Icinga\Exception\ProgrammingError;
+use ipl\Html\Html;
+
+abstract class Node
+{
+ const FLAG_DOWNTIME = 1;
+ const FLAG_ACK = 2;
+ const FLAG_MISSING = 4;
+ const FLAG_NONE = 8;
+ const SHIFT_FLAGS = 4;
+
+ const ICINGA_OK = 0;
+ const ICINGA_WARNING = 1;
+ const ICINGA_CRITICAL = 2;
+ const ICINGA_UNKNOWN = 3;
+ const ICINGA_UP = 0;
+ const ICINGA_DOWN = 1;
+ const ICINGA_UNREACHABLE = 2;
+ const ICINGA_PENDING = 99;
+ const NODE_EMPTY = 128;
+
+ /** @var bool Whether to treat acknowledged hosts/services always as UP/OK */
+ protected static $ackIsOk = false;
+
+ /** @var bool Whether to treat hosts/services in downtime always as UP/OK */
+ protected static $downtimeIsOk = false;
+
+ protected $sortStateToStateMap = array(
+ 4 => self::ICINGA_CRITICAL,
+ 3 => self::ICINGA_UNKNOWN,
+ 2 => self::ICINGA_WARNING,
+ 1 => self::ICINGA_PENDING,
+ 0 => self::ICINGA_OK
+ );
+
+ protected $stateToSortStateMap = array(
+ self::ICINGA_PENDING => 1,
+ self::ICINGA_UNKNOWN => 3,
+ self::ICINGA_CRITICAL => 4,
+ self::ICINGA_WARNING => 2,
+ self::ICINGA_OK => 0,
+ self::NODE_EMPTY => 0
+ );
+
+ /** @var string Alias of the node */
+ protected $alias;
+
+ /**
+ * Main business process object
+ *
+ * @var BpConfig
+ */
+ protected $bp;
+
+ /**
+ * Parent nodes
+ *
+ * @var array
+ */
+ protected $parents = array();
+
+ /**
+ * Node identifier
+ *
+ * @var string
+ */
+ protected $name;
+
+ /**
+ * Node state
+ *
+ * @var int
+ */
+ protected $state;
+
+ /**
+ * Whether this nodes state has been acknowledged
+ *
+ * @var bool
+ */
+ protected $ack;
+
+ /**
+ * Whether this node is in a scheduled downtime
+ *
+ * @var bool
+ */
+ protected $downtime;
+
+ // obsolete
+ protected $duration;
+
+ /**
+ * This node's icon
+ *
+ * @var string
+ */
+ protected $icon;
+
+ /**
+ * Last state change, unix timestamp
+ *
+ * @var int
+ */
+ protected $lastStateChange;
+
+ protected $missing = false;
+
+ protected $empty = false;
+
+ protected $className = 'unknown';
+
+ protected $stateNames = array(
+ 'OK',
+ 'WARNING',
+ 'CRITICAL',
+ 'UNKNOWN',
+ 99 => 'PENDING',
+ 128 => 'EMPTY'
+ );
+
+ /**
+ * Set whether to treat acknowledged hosts/services always as UP/OK
+ *
+ * @param bool $ackIsOk
+ */
+ public static function setAckIsOk($ackIsOk = true)
+ {
+ self::$ackIsOk = $ackIsOk;
+ }
+
+ /**
+ * Set whether to treat hosts/services in downtime always as UP/OK
+ *
+ * @param bool $downtimeIsOk
+ */
+ public static function setDowntimeIsOk($downtimeIsOk = true)
+ {
+ self::$downtimeIsOk = $downtimeIsOk;
+ }
+
+ public function setBpConfig(BpConfig $bp)
+ {
+ $this->bp = $bp;
+ return $this;
+ }
+
+ public function getBpConfig()
+ {
+ return $this->bp;
+ }
+
+ public function setMissing($missing = true)
+ {
+ $this->missing = $missing;
+ return $this;
+ }
+
+ public function isProblem()
+ {
+ return $this->getState() > 0;
+ }
+
+ public function hasBeenChanged()
+ {
+ return false;
+ }
+
+ public function isMissing()
+ {
+ return $this->missing;
+ }
+
+ public function hasMissingChildren()
+ {
+ return count($this->getMissingChildren()) > 0;
+ }
+
+ public function getMissingChildren()
+ {
+ return array();
+ }
+
+ public function hasInfoUrl()
+ {
+ return false;
+ }
+
+ public function setState($state)
+ {
+ $this->state = (int) $state;
+ $this->missing = false;
+ return $this;
+ }
+
+ /**
+ * Forget my state
+ *
+ * @return $this
+ */
+ public function clearState()
+ {
+ $this->state = null;
+ return $this;
+ }
+
+ public function setAck($ack = true)
+ {
+ $this->ack = $ack;
+ return $this;
+ }
+
+ public function setDowntime($downtime = true)
+ {
+ $this->downtime = $downtime;
+ return $this;
+ }
+
+ public function getStateName($state = null)
+ {
+ $states = $this->enumStateNames();
+ if ($state === null) {
+ return $states[ $this->getState() ];
+ } else {
+ return $states[ $state ];
+ }
+ }
+
+ public function enumStateNames()
+ {
+ return $this->stateNames;
+ }
+
+ public function getState()
+ {
+ if ($this->state === null) {
+ throw new ProgrammingError(
+ sprintf(
+ 'Node %s is unable to retrieve it\'s state',
+ $this->name
+ )
+ );
+ }
+
+ return $this->state;
+ }
+
+ public function getSortingState($state = null)
+ {
+ if ($state === null) {
+ $state = $this->getState();
+ }
+
+ if (self::$ackIsOk && $this->isAcknowledged()) {
+ $state = self::ICINGA_OK;
+ }
+
+ if (self::$downtimeIsOk && $this->isInDowntime()) {
+ $state = self::ICINGA_OK;
+ }
+
+ $sort = $this->stateToSortState($state);
+ $sort = ($sort << self::SHIFT_FLAGS)
+ + ($this->isInDowntime() ? self::FLAG_DOWNTIME : 0)
+ + ($this->isAcknowledged() ? self::FLAG_ACK : 0);
+ if (! ($sort & (self::FLAG_DOWNTIME | self::FLAG_ACK))) {
+ $sort |= self::FLAG_NONE;
+ }
+
+ return $sort;
+ }
+
+ public function getLastStateChange()
+ {
+ return $this->lastStateChange;
+ }
+
+ public function setLastStateChange($timestamp)
+ {
+ $this->lastStateChange = $timestamp;
+ return $this;
+ }
+
+ public function addParent(Node $parent)
+ {
+ $this->parents[] = $parent;
+ return $this;
+ }
+
+ public function getDuration()
+ {
+ return $this->duration;
+ }
+
+ public function isHandled()
+ {
+ return $this->isInDowntime() || $this->isAcknowledged();
+ }
+
+ public function isInDowntime()
+ {
+ if ($this->downtime === null) {
+ $this->getState();
+ }
+ return $this->downtime;
+ }
+
+ public function isAcknowledged()
+ {
+ if ($this->ack === null) {
+ $this->getState();
+ }
+ return $this->ack;
+ }
+
+ public function getChildren($filter = null)
+ {
+ return array();
+ }
+
+ public function countChildren($filter = null)
+ {
+ return count($this->getChildren($filter));
+ }
+
+ public function hasChildren($filter = null)
+ {
+ return $this->countChildren($filter) > 0;
+ }
+
+ public function isEmpty()
+ {
+ return $this->countChildren() === 0;
+ }
+
+ public function hasAlias()
+ {
+ return $this->alias !== null;
+ }
+
+ /**
+ * Get the alias of the node
+ *
+ * @return string
+ */
+ public function getAlias()
+ {
+ return $this->alias;
+ }
+
+ /**
+ * Set the alias of the node
+ *
+ * @param string $alias
+ *
+ * @return $this
+ */
+ public function setAlias($alias)
+ {
+ $this->alias = $alias;
+
+ return $this;
+ }
+
+ public function hasParents()
+ {
+ return count($this->parents) > 0;
+ }
+
+ public function hasParentName($name)
+ {
+ foreach ($this->getParents() as $parent) {
+ if ($parent->getName() === $name) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public function removeParent($name)
+ {
+ $this->parents = array_filter(
+ $this->parents,
+ function (BpNode $parent) use ($name) {
+ return $parent->getName() !== $name;
+ }
+ );
+
+ return $this;
+ }
+
+ /**
+ * @return BpNode[]
+ */
+ public function getParents()
+ {
+ return $this->parents;
+ }
+
+ /**
+ * @param BpConfig $rootConfig
+ *
+ * @return array
+ */
+ public function getPaths($rootConfig = null)
+ {
+ $differentConfig = false;
+ if ($rootConfig === null) {
+ $rootConfig = $this->getBpConfig();
+ } else {
+ $differentConfig = $this->getBpConfig()->getName() !== $rootConfig->getName();
+ }
+
+ $paths = [];
+ foreach ($this->parents as $parent) {
+ foreach ($parent->getPaths($rootConfig) as $path) {
+ $path[] = $differentConfig ? $this->getIdentifier() : $this->getName();
+ $paths[] = $path;
+ }
+ }
+
+ if (! $this instanceof ImportedNode && $this->getBpConfig()->hasRootNode($this->getName())) {
+ $paths[] = [$differentConfig ? $this->getIdentifier() : $this->getName()];
+ } elseif (! $this->hasParents()) {
+ $paths[] = ['__unbound__', $differentConfig ? $this->getIdentifier() : $this->getName()];
+ }
+
+ return $paths;
+ }
+
+ protected function stateToSortState($state)
+ {
+ if (array_key_exists($state, $this->stateToSortStateMap)) {
+ return $this->stateToSortStateMap[$state];
+ }
+
+ throw new ProgrammingError(
+ 'Got invalid state for node %s: %s',
+ $this->getName(),
+ var_export($state, 1) . var_export($this->stateToSortStateMap, 1)
+ );
+ }
+
+ protected function sortStateTostate($sortState)
+ {
+ $sortState = $sortState >> self::SHIFT_FLAGS;
+ if (array_key_exists($sortState, $this->sortStateToStateMap)) {
+ return $this->sortStateToStateMap[$sortState];
+ }
+
+ throw new ProgrammingError('Got invalid sorting state %s', $sortState);
+ }
+
+ public function getObjectClassName()
+ {
+ return $this->className;
+ }
+
+ public function getLink()
+ {
+ return Html::tag('a', ['href' => '#', 'class' => 'toggle'], Html::tag('i', [
+ 'class' => 'icon icon-down-dir'
+ ]));
+ }
+
+ public function getIcon()
+ {
+ return Html::tag('i', ['class' => 'icon icon-' . ($this->icon ?: 'attention-circled')]);
+ }
+
+ public function operatorHtml()
+ {
+ return '&nbsp;';
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ public function getIdentifier()
+ {
+ return '@' . $this->getBpConfig()->getName() . ':' . $this->getName();
+ }
+
+ public function __toString()
+ {
+ return $this->getName();
+ }
+
+ public function __destruct()
+ {
+ unset($this->parents);
+ }
+
+ /**
+ * Export the node to array
+ *
+ * @param array $parent The node's parent. Used to construct the path to the node
+ * @param bool $flat If false, children will be added to the array key children, else the array will be flat
+ *
+ * @return array
+ */
+ public function toArray(array $parent = null, $flat = false)
+ {
+ $data = [
+ 'name' => $this->getAlias(),
+ 'state' => $this->getStateName(),
+ 'since' => $this->getLastStateChange(),
+ 'in_downtime' => $this->isInDowntime() ? true : false
+ ];
+
+ if ($parent !== null) {
+ $data['path'] = $parent['path'] . '!' . $this->getAlias();
+ } else {
+ $data['path'] = $this->getAlias();
+ }
+
+ $children = [];
+
+ foreach ($this->getChildren() as $node) {
+ if ($flat) {
+ $children = array_merge($children, $node->toArray($data, $flat));
+ } else {
+ $children[] = $node->toArray($data, $flat);
+ }
+ }
+
+ if ($flat) {
+ $data = [$data];
+
+ if (! empty($children)) {
+ $data = array_merge($data, $children);
+ }
+ } else {
+ $data['children'] = $children;
+ }
+
+ return $data;
+ }
+}
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