Added initial REST API to the Hazelcast Datagrid storage.
For now it is needed/used only for debugging purpose.
diff --git a/src/main/java/net/onrc/onos/datagrid/web/GetMapResource.java b/src/main/java/net/onrc/onos/datagrid/web/GetMapResource.java
new file mode 100644
index 0000000..6c66c90
--- /dev/null
+++ b/src/main/java/net/onrc/onos/datagrid/web/GetMapResource.java
@@ -0,0 +1,84 @@
+package net.onrc.onos.datagrid.web;
+
+import java.util.Collection;
+
+import net.onrc.onos.datagrid.IDatagridService;
+import net.onrc.onos.ofcontroller.topology.TopologyElement;
+import net.onrc.onos.ofcontroller.util.FlowEntry;
+import net.onrc.onos.ofcontroller.util.FlowPath;
+
+import org.restlet.resource.Get;
+import org.restlet.resource.ServerResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Datagrid REST API implementation: Get the state of a map.
+ *
+ * Valid map names:
+ * - "all" : Get all maps
+ * - "flow" : Get the Flows
+ * - "flow-entry" : Get the Flow Entries
+ * - "topology" : Get the Topology
+ *
+ * GET /wm/datagrid/get/map/{map-name}/json
+ */
+public class GetMapResource extends ServerResource {
+ protected final static Logger log = LoggerFactory.getLogger(GetMapResource.class);
+
+ /**
+ * Implement the API.
+ *
+ * @return a string with the state of the map(s).
+ */
+ @Get("json")
+ public String retrieve() {
+ String result = "";
+
+ IDatagridService datagridService =
+ (IDatagridService)getContext().getAttributes().
+ get(IDatagridService.class.getCanonicalName());
+
+ if (datagridService == null) {
+ log.debug("ONOS Datagrid Service not found");
+ return result;
+ }
+
+ // Extract the arguments
+ String mapNameStr = (String)getRequestAttributes().get("map-name");
+
+ log.debug("Get Datagrid Map: " + mapNameStr);
+
+ //
+ // Get the Flows
+ //
+ if (mapNameStr.equals("flow") || mapNameStr.equals("all")) {
+ Collection<FlowPath> flowPaths = datagridService.getAllFlows();
+ result += "Flows:\n";
+ for (FlowPath flowPath : flowPaths) {
+ result += flowPath.toString() + "\n";
+ }
+ }
+
+ //
+ // Get the Flow Entries
+ //
+ if (mapNameStr.equals("flow-entry") || mapNameStr.equals("all")) {
+ Collection<FlowEntry> flowEntries = datagridService.getAllFlowEntries();
+ result += "Flow Entries:\n";
+ for (FlowEntry flowEntry : flowEntries) {
+ result += flowEntry.toString() + "\n";
+ }
+ }
+
+ if (mapNameStr.equals("topology") || mapNameStr.equals("all")) {
+ Collection<TopologyElement> topologyElements = datagridService.getAllTopologyElements();
+ result += "Topology:\n";
+ for (TopologyElement topologyElement : topologyElements) {
+ result += topologyElements.toString() + "\n";
+ }
+ }
+
+ return result;
+ }
+}