Work toward implementing Shortest Path Flow installation and
maintenance within ONOS itself.
This is a checkpoint commit. The new code is not used yet.
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/AddShortestPathFlowResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/AddShortestPathFlowResource.java
new file mode 100644
index 0000000..e00a4b5
--- /dev/null
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/AddShortestPathFlowResource.java
@@ -0,0 +1,63 @@
+package net.floodlightcontroller.flowcache.web;
+
+import java.io.IOException;
+
+import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.FlowId;
+import net.floodlightcontroller.util.FlowPath;
+
+import org.codehaus.jackson.JsonGenerationException;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.JsonMappingException;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.restlet.resource.Post;
+import org.restlet.resource.ServerResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AddShortestPathFlowResource extends ServerResource {
+
+ protected static Logger log = LoggerFactory.getLogger(AddShortestPathFlowResource.class);
+
+ @Post("json")
+ public FlowId store(String flowJson) {
+ FlowId result = new FlowId();
+
+ IFlowService flowService =
+ (IFlowService)getContext().getAttributes().
+ get(IFlowService.class.getCanonicalName());
+
+ if (flowService == null) {
+ log.debug("ONOS Flow Service not found");
+ return result;
+ }
+
+ //
+ // Extract the arguments
+ // NOTE: The "flow" is specified in JSON format.
+ //
+ ObjectMapper mapper = new ObjectMapper();
+ String flowPathStr = flowJson;
+ FlowPath flowPath = null;
+ log.debug("Add Shortest Path Flow Path: " + flowPathStr);
+ try {
+ flowPath = mapper.readValue(flowPathStr, FlowPath.class);
+ } catch (JsonGenerationException e) {
+ e.printStackTrace();
+ } catch (JsonMappingException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ // Process the request
+ if (flowPath != null) {
+ if (flowService.addAndMaintainShortestPathFlow(flowPath, result)
+ != true) {
+ result = new FlowId(); // Error: Return empty Flow Id
+ }
+ }
+
+ return result;
+ }
+}