/**
*/
public function portRolesAction()
{
if ($this->getRequest()->isPost()) {
$this->view->portRolesDevice = $device = $this->_getParam('portRolesDevice');
$this->view->limitToInstance = $limitToInstance = $this->_getParam('limitToInstance', false);
$this->view->type = $type = $this->getParam('type', 'rstp');
try {
$host = new \OSS_SNMP\SNMP($device, $this->_options['community']);
switch ($type) {
case 'mst':
$instances = $host->useCisco_SMST()->instances();
break;
case 'rstp':
default:
$instances = $host->useCisco_VTP()->vlanNames();
}
} catch (\OSS_SNMP\Exception $e) {
$this->addMessage("Could not query instance and port role information via SNMP from " . $device, OSS_Message::ERROR);
return;
}
$roles = [];
$unknowns = [];
$portsInSTP = [];
if ($limitToInstance && isset($instances[$limitToInstance])) {
$doInstances[$limitToInstance] = $instances[$limitToInstance];
} else {
$doInstances = $instances;
}
foreach ($doInstances as $iid => $iname) {
try {
if ($type == 'mst') {
$roles[$iid] = $host->useCisco_MST()->portRoles($iid, true);
} else {
$roles[$iid] = $host->useCisco_RSTP()->portRoles($iid, true);
}
foreach ($roles[$iid] as $portId => $role) {
if (!isset($portsInSTP[$portId])) {
$portsInSTP[$portId] = $portId;
}
}
} catch (\OSS_SNMP\Exception $e) {
$unknowns[$iid] = $iname;
}
}
ksort($portsInSTP, SORT_NUMERIC);
$this->view->portsInSTP = $portsInSTP;
$this->view->ports = $host->useIface()->names();
$this->view->instances = $instances;
$this->view->roles = $roles;
$this->view->unknowns = $unknowns;
unset($host);
}
}
/**
* Similar to L2 Topology above but this takes a specific VLAN / instance and identifies and graphs Per-VLAN/instance Spanning Tree port roles.
*
* @see https://github.com/opensolutions/NOCtools/wiki/CDP-RSTP-Port-Roles
*/
public function stpTopologyAction()
{
$this->view->cdp_root = $host = $this->getParam('cdp_root', '');
$this->view->type = $type = $this->getParam('type', 'rstp');
$this->view->instance = $instance = $this->getParam('instance', false);
$this->view->excludeNonParticipants = true;
$this->view->showPortRoles = true;
$this->view->ignoreList = implode("\n", $this->_getIgnoreList());
if (strlen($host)) {
$root = new \OSS_SNMP\SNMP($host, $this->_options['community']);
if ($type == 'mst') {
$this->view->instances = $instances = $root->useCisco_SMST()->instances();
} else {
$this->view->instances = $instances = $root->useCisco_VTP()->vlanNames();
}
}
if ($this->getRequest()->isPost()) {
do {
if ($instance !== false && $this->getParam('excludeNonParticipants', null) === null) {
$this->view->excludeNonParticipants = $excludeNonParticipants = false;
}
if ($instance !== false && $this->getParam('showPortRoles', null) === null) {
$this->view->showPortRoles = $showPortRoles = false;
}
$this->view->ignoreList = isset($this->view->ignoreList) ? $this->view->ignoreList : $this->getParam('ignoreList');
$ignoreList = array();
foreach (explode("\n", $this->getParam('ignoreList')) as $i) {
$ignoreList[] = trim($i);
}
if (!strlen($host)) {
$this->addMessage('You must select a device as the root for CDP neighbour discovery and a VLAN / instance', OSS_Message::ERROR);
break;
}
if ($instance === false) {
break;
}
$devices = array();
$root->useCisco_CDP()->crawl($devices, null, $ignoreList);
// we're not splitting LAGs, we need to sanitise the links
$devices = $root->useCisco_CDP()->collapseDevicesLAGs($devices);
// now, find the links which are participating in RSTP / MST and their roles
$portRoles = [];
foreach ($devices as $aDevice => $neighbours) {
if (!isset($portRoles[$aDevice])) {
$portRoles[$aDevice] = $this->_stpTopologyPortRoles($aDevice, $type, $instance);
}
foreach ($neighbours as $bDevice => $ports) {
if (!isset($portRoles[$bDevice])) {
$portRoles[$bDevice] = $this->_stpTopologyPortRoles($bDevice, $type, $instance);
}
}
}
foreach ($devices as $aDevice => $neighbours) {
foreach ($neighbours as $bDevice => $ports) {
foreach ($ports as $idx => $portDetails) {
if (isset($portRoles[$aDevice][$portDetails['localPortId']]) && isset($portRoles[$bDevice][$portDetails['remotePortId']])) {
$devices[$aDevice][$bDevice][$idx]['localRSTP'] = $portRoles[$aDevice][$portDetails['localPortId']];
$devices[$aDevice][$bDevice][$idx]['remoteRSTP'] = $portRoles[$bDevice][$portDetails['remotePortId']];
// indicate if the link is passing traffic or not
if (in_array($devices[$aDevice][$bDevice][$idx]['localRSTP'], \OSS_SNMP\MIBS\Cisco\RSTP::$STP_X_RSTP_PASSING_PORT_ROLES) && in_array($devices[$aDevice][$bDevice][$idx]['remoteRSTP'], \OSS_SNMP\MIBS\Cisco\RSTP::$STP_X_RSTP_PASSING_PORT_ROLES)) {
$devices[$aDevice][$bDevice][$idx]['RSTPpassing'] = true;
} else {
$devices[$aDevice][$bDevice][$idx]['RSTPpassing'] = false;
}
} else {
$devices[$aDevice][$bDevice][$idx]['localRSTP'] = false;
$devices[$aDevice][$bDevice][$idx]['remoteRSTP'] = false;
$devices[$aDevice][$bDevice][$idx]['RSTPpassing'] = null;
}
}
}
}
$links = $root->useCisco_CDP()->linkTopology($devices);
$this->view->devices = $devices;
$this->view->links = $links;
$this->view->locations = call_user_func("{$this->_options['utilsClass']}::extractLocations", $devices);
$this->view->file = $file = $this->generateGraphFilename(array($host, $vlanid));
if ($this->_getParam('submit') == 'Download DOT File') {
header('Content-type: text/plain');
header('Content-Disposition: attachment; filename="' . $file . '.dot"');
Zend_Controller_Action_HelperBroker::removeHelper('viewRenderer');
echo $this->view->render('cdp/stp-topology-graph.dot');
return;
}
$this->getSessionNamespace()->stp_topology_file = $this->generateDotGraph($file, $this->view->render('cdp/stp-topology-graph.dot'), APPLICATION_PATH . '/../var/tmp');
} while (false);
}
}
/**
* AJAX function to provide a JSON list of VLANs configured on a particular device.
*
* For example, used to dynamically populate dropdowns in @see VlanController::compareAction()
*
* @param string $host The SNMP addressable hostname of the device to query for VLAN IDs and names
* @return JSON Encoded array of [vlanId] => 'vlanName' entries.
*/
public function ajaxGetForHostAction()
{
$host = $this->_getParam('host', null);
if ($host) {
try {
$device = new \OSS_SNMP\SNMP($host, $this->_options['community']);
$vlans = $device->useCisco_VTP()->vlanNames();
unset($device);
} catch (\OSS_SNMP\Exception $e) {
return;
}
$this->getResponse()->setHeader('Content-Type', 'application/json')->setBody(Zend_Json::encode($vlans))->sendResponse();
exit(0);
}
}
