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<?php |
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/** |
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* Mpls.php |
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* |
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* -Description- |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* @link https://www.librenms.org |
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* |
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* @copyright 2019 Vitali Kari |
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* @copyright 2019 Tony Murray |
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* @author Vitali Kari <[email protected]> |
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* @author Tony Murray <[email protected]> |
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*/ |
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namespace LibreNMS\Modules; |
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use App\Observers\ModuleModelObserver; |
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use LibreNMS\DB\SyncsModels; |
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use LibreNMS\Interfaces\Discovery\MplsDiscovery; |
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use LibreNMS\Interfaces\Module; |
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use LibreNMS\Interfaces\Polling\MplsPolling; |
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use LibreNMS\OS; |
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class Mpls implements Module |
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{ |
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use SyncsModels; |
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/** |
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* Discover this module. Heavier processes can be run here |
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* Run infrequently (default 4 times a day) |
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* |
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* @param OS $os |
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*/ |
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public function discover(OS $os) |
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{ |
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if ($os instanceof MplsDiscovery) { |
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echo "\nMPLS LSPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsLsp'); |
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$lsps = $this->syncModels($os->getDevice(), 'mplsLsps', $os->discoverMplsLsps()); |
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echo "\nMPLS LSP Paths: "; |
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ModuleModelObserver::observe('\App\Models\MplsLspPath'); |
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$paths = $this->syncModels($os->getDevice(), 'mplsLspPaths', $os->discoverMplsPaths($lsps)); |
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echo "\nMPLS SDPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsSdp'); |
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$sdps = $this->syncModels($os->getDevice(), 'mplsSdps', $os->discoverMplsSdps()); |
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echo "\nMPLS Services: "; |
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ModuleModelObserver::observe('\App\Models\MplsService'); |
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$svcs = $this->syncModels($os->getDevice(), 'mplsServices', $os->discoverMplsServices()); |
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echo "\nMPLS SAPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsSap'); |
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$this->syncModels($os->getDevice(), 'mplsSaps', $os->discoverMplsSaps($svcs)); |
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echo "\nMPLS SDP Bindings: "; |
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ModuleModelObserver::observe('\App\Models\MplsSdpBind'); |
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$this->syncModels($os->getDevice(), 'mplsSdpBinds', $os->discoverMplsSdpBinds($sdps, $svcs)); |
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echo "\nMPLS Tunnel Active Routing Hops: "; |
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ModuleModelObserver::observe('\App\Models\MplsTunnelArHop'); |
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$this->syncModels($os->getDevice(), 'mplsTunnelArHops', $os->discoverMplsTunnelArHops($paths)); |
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echo "\nMPLS Tunnel Constrained Shortest Path First Hops: "; |
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ModuleModelObserver::observe('\App\Models\MplsTunnelCHop'); |
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$this->syncModels($os->getDevice(), 'mplsTunnelCHops', $os->discoverMplsTunnelCHops($paths)); |
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echo PHP_EOL; |
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} |
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} |
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/** |
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* Poll data for this module and update the DB / RRD. |
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* Try to keep this efficient and only run if discovery has indicated there is a reason to run. |
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* Run frequently (default every 5 minutes) |
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* |
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* @param OS $os |
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*/ |
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public function poll(OS $os) |
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{ |
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if ($os instanceof MplsPolling) { |
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$device = $os->getDevice(); |
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if ($device->mplsLsps()->exists()) { |
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echo "\nMPLS LSPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsLsp'); |
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$lsps = $this->syncModels($device, 'mplsLsps', $os->pollMplsLsps()); |
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} |
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if ($device->mplsLspPaths()->exists()) { |
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echo "\nMPLS LSP Paths: "; |
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ModuleModelObserver::observe('\App\Models\MplsLspPath'); |
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$paths = $this->syncModels($device, 'mplsLspPaths', $os->pollMplsPaths($lsps)); |
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} |
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if ($device->mplsSdps()->exists()) { |
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echo "\nMPLS SDPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsSdp'); |
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$sdps = $this->syncModels($device, 'mplsSdps', $os->pollMplsSdps()); |
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} |
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if ($device->mplsServices()->exists()) { |
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echo "\nMPLS Services: "; |
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ModuleModelObserver::observe('\App\Models\MplsService'); |
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$svcs = $this->syncModels($device, 'mplsServices', $os->pollMplsServices()); |
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} |
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if ($device->mplsSaps()->exists()) { |
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echo "\nMPLS SAPs: "; |
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ModuleModelObserver::observe('\App\Models\MplsSap'); |
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$this->syncModels($device, 'mplsSaps', $os->pollMplsSaps($svcs)); |
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} |
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if ($device->mplsSdpBinds()->exists()) { |
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echo "\nMPLS SDP Bindings: "; |
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ModuleModelObserver::observe('\App\Models\MplsSdpBind'); |
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$this->syncModels($device, 'mplsSdpBinds', $os->pollMplsSdpBinds($sdps, $svcs)); |
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} |
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if ($device->mplsTunnelArHops()->exists()) { |
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echo "\nMPLS Tunnel Active Routing Hops: "; |
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ModuleModelObserver::observe('\App\Models\MplsTunnelArHop'); |
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$this->syncModels($device, 'mplsTunnelArHops', $os->pollMplsTunnelArHops($paths)); |
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} |
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if ($device->mplsTunnelCHops()->exists()) { |
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echo "\nMPLS Tunnel Constrained Shortest Path First Hops: "; |
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ModuleModelObserver::observe('\App\Models\MplsTunnelCHop'); |
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$this->syncModels($device, 'mplsTunnelCHops', $os->pollMplsTunnelCHops($paths)); |
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} |
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echo PHP_EOL; |
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} |
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} |
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/** |
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* Remove all DB data for this module. |
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* This will be run when the module is disabled. |
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* |
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* @param OS $os |
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*/ |
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public function cleanup(OS $os) |
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{ |
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$os->getDevice()->mplsLsps()->delete(); |
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$os->getDevice()->mplsLspPaths()->delete(); |
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$os->getDevice()->mplsSdps()->delete(); |
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$os->getDevice()->mplsServices()->delete(); |
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$os->getDevice()->mplsSaps()->delete(); |
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$os->getDevice()->mplsSdpBinds()->delete(); |
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$os->getDevice()->mplsTunnelArHops()->delete(); |
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$os->getDevice()->mplsTunnelCHops()->delete(); |
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} |
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} |
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Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: