X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foranosc%2Fric%2Fportal%2Fdash%2Fcontroller%2FE2ManagerController.java;fp=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foranosc%2Fric%2Fportal%2Fdash%2Fcontroller%2FE2ManagerController.java;h=c76d4aab29382d97f5648753c340b4416a3c2328;hb=056a49df629daf4189a34c37ee30b1f5ad88a59d;hp=0000000000000000000000000000000000000000;hpb=e2cbc4d0304646febf7e2cbe0dccdf9840189222;p=portal%2Fric-dashboard.git

diff --git a/webapp-backend/src/main/java/org/oranosc/ric/portal/dash/controller/E2ManagerController.java b/webapp-backend/src/main/java/org/oranosc/ric/portal/dash/controller/E2ManagerController.java
new file mode 100644
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+++ b/webapp-backend/src/main/java/org/oranosc/ric/portal/dash/controller/E2ManagerController.java
@@ -0,0 +1,111 @@
+/*-
+ * ========================LICENSE_START=================================
+ * ORAN-OSC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property and Nokia
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+package org.oranosc.ric.portal.dash.controller;
+
+import java.lang.invoke.MethodHandles;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.oranosc.ric.e2mgr.client.api.DefaultApi;
+import org.oranosc.ric.e2mgr.client.model.RanSetupRequest;
+import org.oranosc.ric.portal.dash.DashboardConstants;
+import org.oranosc.ric.portal.dash.model.SuccessTransport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.annotations.ApiOperation;
+
+/**
+ * Provides methods to contact the E2 Manager.
+ * 
+ * As of this writing the E2 interface only supports setup connection and check
+ * health actions; it does not support query or close operations on existing
+ * connections. So this class mocks up some of that needed functionality.
+ */
+@Configuration
+@RestController
+@RequestMapping(value = DashboardConstants.ENDPOINT_PREFIX + "/e2mgr", produces = MediaType.APPLICATION_JSON_VALUE)
+public class E2ManagerController {
+
+	private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+	@Autowired
+	private DefaultApi e2ManagerClient;
+
+	// Tracks the requests previously submitted.
+	// TODO remove when the E2 manager is extended.
+	private Set<RanSetupRequest> requests = new HashSet<>();
+
+	private void assertNotNull(Object o) {
+		if (o == null)
+			throw new IllegalArgumentException("Null not permitted");
+	}
+
+	private void assertNotEmpty(String s) {
+		assertNotNull(s);
+		if (s.isEmpty())
+			throw new IllegalArgumentException("Empty not permitted");
+	}
+
+	@ApiOperation(value = "Gets the health from the E2 manager, expressed as the response code.", response = String.class)
+	@RequestMapping(value = "/health", method = RequestMethod.GET)
+	public SuccessTransport getHealth() {
+		logger.debug("getHealth");
+		return new SuccessTransport();
+	}
+
+	@ApiOperation(value = "Gets the unique requests submitted to the E2 manager.", response = RanSetupRequest.class, responseContainer = "List")
+	@RequestMapping(value = "/setup", method = RequestMethod.GET)
+	public Iterable<RanSetupRequest> getRequests() {
+		logger.debug("getRequests");
+		return requests;
+	}
+
+	@ApiOperation(value = "Sets up a RAN connection via the E2 manager.")
+	@RequestMapping(value = "/setup", method = RequestMethod.POST)
+	public void setup(@RequestBody RanSetupRequest rsr, HttpServletResponse response) {
+		logger.debug("setup {}", rsr);
+		try {
+			assertNotEmpty(rsr.getRanIp());
+			assertNotEmpty(rsr.getRanName());
+			assertNotNull(rsr.getRanPort());
+		} catch (Exception ex) {
+			logger.error("Bad request", ex);
+			response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+		}
+		try {
+			requests.add(rsr);
+			e2ManagerClient.setupRan(rsr);
+		} catch (Exception ex) {
+			logger.error("Failed", ex);
+			response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+		}
+	}
+
+}