Jonathan Hart | 472062d | 2014-04-03 10:56:48 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.topology.web; |
Jonathan Hart | 891d050 | 2014-02-10 10:04:08 -0800 | [diff] [blame] | 2 | |
| 3 | import java.io.IOException; |
| 4 | |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 5 | import net.onrc.onos.core.topology.ITopologyService; |
| 6 | import net.onrc.onos.core.topology.Topology; |
Jonathan Hart | 472062d | 2014-04-03 10:56:48 -0700 | [diff] [blame] | 7 | import net.onrc.onos.core.topology.serializers.PortSerializer; |
| 8 | import net.onrc.onos.core.topology.serializers.SwitchSerializer; |
Jonathan Hart | 891d050 | 2014-02-10 10:04:08 -0800 | [diff] [blame] | 9 | |
| 10 | import org.codehaus.jackson.Version; |
| 11 | import org.codehaus.jackson.map.ObjectMapper; |
| 12 | import org.codehaus.jackson.map.module.SimpleModule; |
| 13 | import org.restlet.resource.Get; |
| 14 | import org.restlet.resource.ServerResource; |
| 15 | import org.slf4j.Logger; |
| 16 | import org.slf4j.LoggerFactory; |
| 17 | |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 18 | public class TopologySwitchesResource extends ServerResource { |
Jonathan Hart | 891d050 | 2014-02-10 10:04:08 -0800 | [diff] [blame] | 19 | |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 20 | private static final Logger log = LoggerFactory.getLogger(TopologySwitchesResource.class); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 21 | |
| 22 | @Get("json") |
| 23 | public String retrieve() { |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 24 | ITopologyService topologyService = (ITopologyService) getContext().getAttributes(). |
| 25 | get(ITopologyService.class.getCanonicalName()); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 26 | |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 27 | Topology topology = topologyService.getTopology(); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 28 | |
| 29 | ObjectMapper mapper = new ObjectMapper(); |
| 30 | SimpleModule module = new SimpleModule("module", new Version(1, 0, 0, null)); |
| 31 | module.addSerializer(new SwitchSerializer()); |
| 32 | module.addSerializer(new PortSerializer()); |
| 33 | mapper.registerModule(module); |
| 34 | |
| 35 | try { |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 36 | topology.acquireReadLock(); |
| 37 | return mapper.writeValueAsString(topology.getSwitches()); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 38 | } catch (IOException e) { |
| 39 | log.error("Error writing switch list to JSON", e); |
| 40 | return ""; |
| 41 | } finally { |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame^] | 42 | topology.releaseReadLock(); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 43 | } |
| 44 | } |
Jonathan Hart | 891d050 | 2014-02-10 10:04:08 -0800 | [diff] [blame] | 45 | } |