diff options
Diffstat (limited to 'ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java')
| -rw-r--r-- | ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java | 1525 |
1 files changed, 568 insertions, 957 deletions
diff --git a/ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java b/ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java index 9ea789e..5d15e58 100644 --- a/ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java +++ b/ransim/ransimctrlr/RANSIM-CTRLR/src/main/java/org/onap/ransim/rest/api/controller/RansimController.java @@ -20,1131 +20,742 @@ package org.onap.ransim.rest.api.controller; -import com.google.gson.Gson; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileReader; -import java.io.IOException; -import java.io.InputStream; import java.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; +import java.util.Arrays; import java.util.List; import java.util.Map; -import java.util.Properties; -import java.util.Random; -import java.util.Set; -import java.util.UUID; +import java.util.HashMap; import java.util.concurrent.ConcurrentHashMap; - -import javax.persistence.EntityManager; -import javax.persistence.EntityManagerFactory; -import javax.persistence.Persistence; -import javax.persistence.Query; -import javax.persistence.TypedQuery; -import javax.websocket.Session; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; import org.apache.log4j.Logger; -import org.onap.ransim.websocket.model.*; -import org.onap.ransim.rest.api.models.CellData; import org.onap.ransim.rest.api.models.CellDetails; import org.onap.ransim.rest.api.models.CellNeighbor; -import org.onap.ransim.rest.api.models.FmAlarmInfo; +import org.onap.ransim.rest.api.models.DeleteACellReq; +import org.onap.ransim.rest.api.models.GetACellDetailReq; import org.onap.ransim.rest.api.models.GetNeighborList; -import org.onap.ransim.rest.api.models.NbrDump; +import org.onap.ransim.rest.api.models.GetNeighborListReq; +import org.onap.ransim.rest.api.models.GetNetconfServerDetailsReq; +import org.onap.ransim.rest.api.models.GetPmDataReq; +import org.onap.ransim.rest.api.models.ModifyACellReq; import org.onap.ransim.rest.api.models.NeighborDetails; -import org.onap.ransim.rest.api.models.NeighborPmDetails; import org.onap.ransim.rest.api.models.NeihborId; import org.onap.ransim.rest.api.models.NetconfServers; import org.onap.ransim.rest.api.models.OperationLog; -import org.onap.ransim.rest.api.models.PmDataDump; -import org.onap.ransim.rest.api.models.PmParameters; -import org.onap.ransim.rest.api.models.TopologyDump; -import org.onap.ransim.rest.client.RestClient; -import org.onap.ransim.websocket.model.FmMessage; -import org.onap.ransim.websocket.model.ModifyNeighbor; -import org.onap.ransim.websocket.model.ModifyPci; -import org.onap.ransim.websocket.model.Neighbor; -import org.onap.ransim.websocket.model.PmMessage; -import org.onap.ransim.websocket.model.SetConfigTopology; -import org.onap.ransim.websocket.model.Topology; -import org.onap.ransim.websocket.model.UpdateCell; -import org.onap.ransim.websocket.server.RansimWebSocketServer; +import org.onap.ransim.rest.api.models.Topology; +import org.onap.ransim.rest.api.models.TACells; +import org.onap.ransim.rest.api.services.RansimControllerServices; +import org.onap.ransim.rest.api.services.RANSliceConfigService; +import org.onap.ransim.rest.api.services.RansimRepositoryService; +import org.onap.ransim.rest.api.controller.RANSliceConfigController; +import org.onap.ransim.rest.api.handler.RansimPciHandler; +import org.onap.ransim.rest.api.handler.RansimSlicingHandler; +import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.CrossOrigin; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PostMapping; +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 com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import org.onap.ransim.rest.api.services.SlicingPMDataGenerator; +import io.swagger.annotations.Api; +import io.swagger.annotations.ApiOperation; +import io.swagger.annotations.ApiResponse; +import io.swagger.annotations.ApiResponses; + +@RestController +@Api(value = "Ran Simulator Controller Services") +@RequestMapping("/api") +@CrossOrigin(origins = "*") public class RansimController { - static Logger log = Logger.getLogger(RansimController.class - .getName()); - - private static RansimController rsController = null; - Properties netconfConstants = new Properties(); - int gridSize = 10; - boolean collision = false; - String serverIdPrefix = ""; - static int numberOfCellsPerNcServer = 15; - int numberOfMachines = 1; - int numberOfProcessPerMc = 5; - boolean strictValidateRansimAgentsAvailability = false; - static public Map<String, Session> webSocketSessions = new ConcurrentHashMap<String, Session>(); - static Map<String, String> serverIdIpPortMapping = new ConcurrentHashMap<String, String>(); - - static Map<String, String> globalNcServerUuidMap = new ConcurrentHashMap<String, String>(); - static List<String> unassignedServerIds = Collections - .synchronizedList(new ArrayList<String>()); - static Map<String, List<String>> serverIdIpNodeMapping = new ConcurrentHashMap<String, List<String>>(); - int nextServerIdNumber = 1001; - String sdnrServerIp = ""; - int sdnrServerPort = 0; - static String sdnrServerUserid = ""; - static String sdnrServerPassword = ""; - static String dumpFileName = ""; - static long maxPciValueAllowed = 503; - - static RansimPciHandler rsPciHdlr = RansimPciHandler.getRansimPciHandler(); - - private RansimController() { - - } + static Logger log = Logger.getLogger(RansimController.class.getName()); + + private static boolean isPmDataGenerating = false; + private static boolean isIntelligentSlicingPmDataGenerating = false; + + ScheduledExecutorService execService = Executors.newScheduledThreadPool(5); + ScheduledExecutorService execServiceForIntelligentSlicing = Executors.newScheduledThreadPool(5); + ScheduledExecutorService closedLoopExecService; + + @Autowired + RansimRepositoryService ransimRepo; + @Autowired + RansimControllerServices rscServices; + @Autowired + RansimPciHandler rsPciHdlr; + @Autowired + RANSliceConfigController ranSliceConfigController; + @Autowired + RANSliceConfigService ranSliceConfigService; + @Autowired + RansimSlicingHandler ranSliceHandler; + @Autowired + SlicingPMDataGenerator pmDataGenerator; /** - * To accesss variable of this class from another class. + * Start the RAN network simulation. * - * @return returns rscontroller constructor + * @param req gets the necessary details as a request of class type + * StartSimulationReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public static synchronized RansimController getRansimController() { - if (rsController == null) { - rsController = new RansimController(); - new KeepWebsockAliveThread(rsController).start(); + @ApiOperation("Starts the RAN network simulation") + @RequestMapping(value = "/StartSimulation", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> startSimulation(@RequestBody Map<String,String> dumpfile) throws Exception { + + List<CellDetails> cellList = ransimRepo.getCellDetailsList(); + if (!cellList.isEmpty()) { + return new ResponseEntity<>("Already simulation is running.", HttpStatus.INTERNAL_SERVER_ERROR); } - return rsController; - } + try { + rscServices.loadProperties(); + RansimControllerServices.dumpFileName = dumpfile.containsKey("dumpfile") ? dumpfile.get("dumpfile"):null; + long startTimeStartSimulation = System.currentTimeMillis(); + rscServices.generateClusterFromFile(); + rscServices.sendInitialConfigAll(); + long endTimeStartSimulation = System.currentTimeMillis(); + log.info("Time taken for start simulation : " + (endTimeStartSimulation - startTimeStartSimulation)); - private String checkIpPortAlreadyExists(String ipPort, - Map<String, String> serverIdIpPortMapping) { - String serverId = null; - for (String key : serverIdIpPortMapping.keySet()) { - String value = serverIdIpPortMapping.get(key); - if (value.equals(ipPort)) { - serverId = key; - break; - } - } - return serverId; - } + return new ResponseEntity<String>(HttpStatus.OK); - /** - * Add web socket sessions. - * - * @param ipPort - * ip address for the session - * @param wsSession - * session details - */ - public synchronized String addWebSocketSessions(String ipPort, - Session wsSession) { - loadProperties(); - if (webSocketSessions.containsKey(ipPort)) { - log.info("addWebSocketSessions: Client session " - + wsSession.getId() + " for " + ipPort - + " already exist. Removing old session."); - webSocketSessions.remove(ipPort); + } catch (Exception eu) { + log.info("/StartSimulation ", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); } - log.info("addWebSocketSessions: Adding Client session " - + wsSession.getId() + " for " + ipPort); - webSocketSessions.put(ipPort, wsSession); - String serverId = null; - if (!serverIdIpPortMapping.containsValue(ipPort)) { - if (unassignedServerIds.size() > 0) { - log.info("addWebSocketSessions: No serverIds pending to assign for " - + ipPort); - serverId = checkIpPortAlreadyExists(ipPort, - serverIdIpPortMapping); - if (serverId == null) { - serverId = unassignedServerIds.remove(0); - } else { - if (unassignedServerIds.contains(serverId)) { - unassignedServerIds.remove(serverId); - } - } - log.info("RansCtrller = Available unassigned ServerIds :" - + unassignedServerIds); - log.info("RansCtrller = addWebSocketSessions: Adding serverId " - + serverId + " for " + ipPort); - serverIdIpPortMapping.put(serverId, ipPort); - log.debug("RansCtrller = serverIdIpPortMapping >>>> :" - + serverIdIpPortMapping); - mapServerIdToNodes(serverId); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); - try { - - NetconfServers server = rsDb.getNetconfServer(serverId); - if (server != null) { - server.setIp(ipPort.split(":")[0]); - server.setNetconfPort(ipPort.split(":")[1]); - rsDb.mergeNetconfServers(server); - } + } + + @ApiOperation("Starts the RAN network slice simulation") + @RequestMapping(value = "/StartRanSliceSimulation", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> startRanSliceSimulation() throws Exception { + try { + rscServices.loadGNBFunctionProperties(); + long startTimeStartSimulation = System.currentTimeMillis(); + rscServices.sendRanInitialConfigAll(); + long endTimeStartSimulation = System.currentTimeMillis(); + log.info("Time taken for start ran slice simulation : " + (endTimeStartSimulation - startTimeStartSimulation)); + return new ResponseEntity<>("Simulation started.", HttpStatus.OK); - } catch (Exception e1) { - log.info("Exception mapServerIdToNodes :", e1); - } - } else { - log.info("addWebSocketSessions: No serverIds pending to assign for " - + ipPort); - } - } else { - for (String key : serverIdIpPortMapping.keySet()) { - if (serverIdIpPortMapping.get(key).equals(ipPort)) { - log.info("addWebSocketSessions: ServerId " + key + " for " - + ipPort + " is exist already"); - serverId = key; - break; - } - } + } catch (Exception eu) { + log.info("/StartRanSliceSimulation ", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); } - return serverId; } /** - * Map server ID to the cells + * The performance Management Data of each cell will be sent to its netconf + * agent at a regular interval. + * + * @param req Contains the details of node ids which will have bad and poor pm + * values + * @return return HTTP status. * - * @param serverId - * Server ID */ - private void mapServerIdToNodes(String serverId) { - dumpSessionDetails(); - if (serverIdIpNodeMapping.containsKey(serverId)) { - // already mapped.RansimController Do nothing. - } else { - List<String> nodeIds = new ArrayList<String>(); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); - try { - List<CellDetails> nodes = rsDb.getCellsWithNoServerIds(); - for (CellDetails cell : nodes) { - cell.setServerId(serverId); - nodeIds.add(cell.getNodeId()); - rsDb.mergeCellDetails(cell); - } - serverIdIpNodeMapping.put(serverId, nodeIds); - } catch (Exception e1) { - log.info("Exception mapServerIdToNodes :", e1); - - } - } - } + @ApiOperation("Generate PM data") + @RequestMapping(value = "/GeneratePmData", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> generatePmData(@RequestBody GetPmDataReq req) throws Exception { - /** - * It removes the web socket sessions. - * - * @param ipPort - * ip address of the netconf server - */ - public synchronized void removeWebSocketSessions(String ipPort) { - RansimControllerDatabase rsDb = new RansimControllerDatabase(); - log.info("remove websocket session request received for: " + ipPort); + log.info("Generate PM Data - nodeId_bad: " + req.getNodeIdBad() + ", nodeId_poor: " + req.getNodeIdPoor()); try { - if (webSocketSessions.containsKey(ipPort)) { - String removedServerId = null; - for (String serverId : serverIdIpPortMapping.keySet()) { - String ipPortVal = serverIdIpPortMapping.get(serverId); - if (ipPortVal.equals(ipPort)) { - if (!unassignedServerIds.contains(serverId)) { - unassignedServerIds.add(serverId); - log.info(serverId + "added in unassignedServerIds"); - } - NetconfServers ns = rsDb.getNetconfServer(serverId); - ns.setIp(null); - ns.setNetconfPort(null); - log.info(serverId + " ip and Port set as null "); - rsDb.mergeNetconfServers(ns); - removedServerId = serverId; - break; - } - } - serverIdIpPortMapping.remove(removedServerId); + rsPciHdlr.readPmParameters(); + execService = Executors.newScheduledThreadPool(5); + execService.scheduleAtFixedRate(() -> { + + rsPciHdlr.generatePmData(req.getNodeIdBad(), req.getNodeIdPoor()); + log.info("execService.isTerminated(): " + execService.isTerminated()); + + }, 0, 300, TimeUnit.SECONDS); + + isPmDataGenerating = true; + + return new ResponseEntity<>("Request generated.", HttpStatus.OK); + + } catch (Exception eu) { + log.error("Exception: ", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); - Session wsSession = webSocketSessions.remove(ipPort); - log.info("removeWebSocketSessions: Client session " - + wsSession.getId() + " for " + ipPort - + " is removed. Server Id : " + removedServerId); - } else { - log.info("addWebSocketSessions: Client session for " + ipPort - + " not exist"); - } - } catch (Exception e) { - log.info("Exception in removeWebSocketSessions. e: " + e); } } /** - * Checks the number of ransim agents running. - * - * @param cellsToBeSimulated - * number of cells to be simulated - * @return returns true if there are enough ransim agents running + * Terminates the ScheduledExecutorService which sends the PM data at regular + * interval. + * + * @return returns HTTP status + * */ - public boolean hasEnoughRansimAgentsRunning(int cellsToBeSimulated) { + @ApiOperation("stop PM data") + @RequestMapping(value = "/stopPmData", method = RequestMethod.GET) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> stopPmData() throws Exception { - log.info("hasEnoughRansimAgentsRunning: numberOfCellsPerNCServer " - + numberOfCellsPerNcServer + " , webSocketSessions.size:" - + webSocketSessions.size() + " , cellsToBeSimulated:" - + cellsToBeSimulated); - log.info(strictValidateRansimAgentsAvailability); + try { + log.info("1. execService.isTerminated(): " + execService.isTerminated()); + if (!execService.isTerminated()) { + execService.shutdown(); + log.info("2. execService.isTerminated(): " + execService.isTerminated()); - if (strictValidateRansimAgentsAvailability) { - if (numberOfCellsPerNcServer * webSocketSessions.size() < cellsToBeSimulated) { - return false; } + isPmDataGenerating = false; + return new ResponseEntity<>("PM data generated.", HttpStatus.OK); + + } catch (Exception eu) { + log.error("Exception: ", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); } - return true; + } /** - * It updates the constant values in the properties file. + * Get the status of ScheduledExecutorService, whether active or terminated. + * + * @return return the status + * */ - public void loadProperties() { - InputStream input = null; + @ApiOperation("get PM data status") + @RequestMapping(value = "/GetPmDataStatus", method = RequestMethod.GET) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot get information") }) + public boolean getPmDataStatus() throws Exception { + try { - input = new FileInputStream( - "/tmp/ransim-install/config/ransim.properties"); - netconfConstants.load(input); - serverIdPrefix = netconfConstants.getProperty("serverIdPrefix"); - numberOfCellsPerNcServer = Integer.parseInt(netconfConstants - .getProperty("numberOfCellsPerNCServer")); - numberOfMachines = Integer.parseInt(netconfConstants - .getProperty("numberOfMachines")); - numberOfProcessPerMc = Integer.parseInt(netconfConstants - .getProperty("numberOfProcessPerMc")); - strictValidateRansimAgentsAvailability = Boolean - .parseBoolean(netconfConstants - .getProperty("strictValidateRansimAgentsAvailability")); - sdnrServerIp = netconfConstants.getProperty("sdnrServerIp"); - sdnrServerPort = Integer.parseInt(netconfConstants - .getProperty("sdnrServerPort")); - sdnrServerUserid = netconfConstants.getProperty("sdnrServerUserid"); - sdnrServerPassword = netconfConstants - .getProperty("sdnrServerPassword"); - dumpFileName = netconfConstants.getProperty("dumpFileName"); - maxPciValueAllowed = Long.parseLong(netconfConstants - .getProperty("maxPciValueAllowed")); - - } catch (Exception e) { - log.info("Properties file error", e); - } finally { - try { - if (input != null) { - input.close(); - } - } catch (Exception ex) { - log.info("Properties file error", ex); - } + return isPmDataGenerating; + } catch (Exception eu) { + log.error("Exception: ", eu); + return false; } + } /** - * The function adds the cell(with nodeId passed as an argument) to its - * netconf server list if the netconf server already exists. Else it will - * create a new netconf server in the NetconfServers Table and the cell into - * its list. + * The function retrieves RAN simulation network topology. + * + * @return returns Http status + * @throws Exception throws exceptions in the functions * - * @param nodeId - * node Id of the cell */ - static void setNetconfServers(String nodeId) { + @ApiOperation("Retrieves RAN simulation network topology") + @RequestMapping(value = "/GetTopology", method = RequestMethod.GET) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot retrieve the RAN simulation network topology details") }) + public ResponseEntity<String> getTopology() throws Exception { + log.debug("Inside getTopology..."); + try { + rsPciHdlr.checkCollisionAfterModify(); + List<CellDetails> cds = ransimRepo.getCellDetailsList(); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); - CellDetails currentCell = rsDb.getCellDetail(nodeId); + Topology top = new Topology(); - Set<CellDetails> newList = new HashSet<CellDetails>(); - try { - if (currentCell != null) { - NetconfServers server = rsDb.getNetconfServer(currentCell - .getServerId()); + if (cds != null && cds.size() > 0) { + top.setMinScreenX(cds.get(0).getScreenX()); + top.setMaxScreenX(cds.get(0).getScreenX()); + top.setMinScreenY(cds.get(0).getScreenY()); + top.setMaxScreenY(cds.get(0).getScreenY()); - if (server == null) { + for (int i = 0; i < cds.size(); i++) { + if (cds.get(i).getScreenX() < top.getMinScreenX()) { + top.setMinScreenX(cds.get(i).getScreenX()); + } + if (cds.get(i).getScreenY() < top.getMinScreenY()) { + top.setMinScreenY(cds.get(i).getScreenY()); + } - server = new NetconfServers(); - server.setServerId(currentCell.getServerId()); - } else { - newList.addAll(server.getCells()); + if (cds.get(i).getScreenX() > top.getMaxScreenX()) { + top.setMaxScreenX(cds.get(i).getScreenX()); + } + if (cds.get(i).getScreenY() > top.getMaxScreenY()) { + top.setMaxScreenY(cds.get(i).getScreenY()); + } } + top.setCellTopology(cds); + } + top.setGridSize(rscServices.gridSize); - newList.add(currentCell); - server.setCells(newList); - log.info("setNetconfServers: nodeId: " + nodeId + ", X:" - + currentCell.getGridX() + ", Y:" - + currentCell.getGridY() + ", ip: " + server.getIp() - + ", portNum: " + server.getNetconfPort() - + ", serverId:" + currentCell.getServerId()); - - rsDb.mergeNetconfServers(server); + Gson gson = new Gson(); + String jsonStr = gson.toJson(top); - } + return new ResponseEntity<>(jsonStr, HttpStatus.OK); } catch (Exception eu) { - log.info("/setNetconfServers Function Error", eu); - + log.error("GetTopology", eu); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); } } - private static double degToRadians(double angle) { - double radians = 57.2957795; - return (angle / radians); - } + /** + * The function retrieves the neighbor list details for the cell with the + * mentioned nodeId. + * + * @param req gets the necessary details as a request of class type + * GetNeighborListReq + * @return returns Http status + * @throws Exception throws exceptions in the functions + */ + @ApiOperation("Retrieves the neighbor list details for the cell with the mentioned nodeId") + @RequestMapping(value = "/GetNeighborList", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot Insert the given parameters") }) + public ResponseEntity<String> getNeighborList(@RequestBody GetNeighborListReq req) throws Exception { + log.debug("Inside getNeighborList..."); - private static double metersDeglon(double angle) { + try { + String jsonStr = ""; - double d2r = degToRadians(angle); - return ((111415.13 * Math.cos(d2r)) - (94.55 * Math.cos(3.0 * d2r)) + (0.12 * Math - .cos(5.0 * d2r))); + GetNeighborList message = rsPciHdlr.generateNeighborList(req.getNodeId()); - } + if (message != null) { - private static double metersDeglat(double angle) { + log.info("message.getNodeId(): " + message.getNodeId()); - double d2r = degToRadians(angle); - return (111132.09 - (566.05 * Math.cos(2.0 * d2r)) - + (1.20 * Math.cos(4.0 * d2r)) - (0.002 * Math.cos(6.0 * d2r))); + Gson gson = new Gson(); + jsonStr = gson.toJson(message); + } + return new ResponseEntity<>(jsonStr, HttpStatus.OK); + } catch (Exception eu) { + log.info("/getNeighborList", eu); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); + } } /** - * generateClusterFromFile() - * - * @throws IOException + * The function retrieves the neighbor list for the cell with the mentioned + * nodeId. + * + * @param req gets the necessary details as a request of class type + * GetNeighborListReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - static void generateClusterFromFile() throws IOException { - - EntityManagerFactory emfactory = Persistence - .createEntityManagerFactory("ransimctrlrdb"); - EntityManager entitymanager = emfactory.createEntityManager(); - log.info("Inside generateClusterFromFile"); - File dumpFile = null; - String cellDetailsString = ""; + @ApiOperation("Retrieves the neighbor list details for the cell with the mentioned nodeId") + @RequestMapping(value = "/GetNeighborBlacklistDetails", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot Insert the given parameters") }) + public ResponseEntity<String> getNeighborBlacklistDetails(@RequestBody GetNeighborListReq req) throws Exception { + log.debug("Inside getNeighborList..."); - dumpFile = new File(dumpFileName); - - BufferedReader br = null; try { - log.info("Reading dump file"); - br = new BufferedReader(new FileReader(dumpFile)); - - StringBuilder sb = new StringBuilder(); - String line = br.readLine(); - while (line != null) { - sb.append(line); - sb.append("\n"); - line = br.readLine(); - } - cellDetailsString = sb.toString(); - - TopologyDump dumpTopo = new Gson().fromJson(cellDetailsString, - TopologyDump.class); - CellDetails cellsDb = new CellDetails(); - - log.info("dumpTopo.getCellList().size():" - + dumpTopo.getCellList().size()); - for (int i = 0; i < dumpTopo.getCellList().size(); i++) { - Gson g = new Gson(); - String pnt = g.toJson(dumpTopo.getCellList().get(i)); - log.info("Creating Cell:" + pnt); - log.info("Creating Cell:" - + dumpTopo.getCellList().get(i).getCell().getNodeId()); - - cellsDb = new CellDetails(); - entitymanager.getTransaction().begin(); - cellsDb.setNodeId(dumpTopo.getCellList().get(i).getCell() - .getNodeId()); - cellsDb.setPhysicalCellId(dumpTopo.getCellList().get(i) - .getCell().getPhysicalCellId()); - cellsDb.setLongitude(dumpTopo.getCellList().get(i).getCell() - .getLongitude()); - cellsDb.setLatitude(dumpTopo.getCellList().get(i).getCell() - .getLatitude()); - cellsDb.setServerId(dumpTopo.getCellList().get(i).getCell() - .getPnfName()); - if (!unassignedServerIds.contains(cellsDb.getServerId())) { - unassignedServerIds.add(cellsDb.getServerId()); - } - cellsDb.setNetworkId(dumpTopo.getCellList().get(i).getCell() - .getNetworkId()); - - double lon = Float.valueOf(dumpTopo.getCellList().get(i) - .getCell().getLongitude()); - double lat = Float.valueOf(dumpTopo.getCellList().get(i) - .getCell().getLatitude()); - - double xx = (lon - 0) * metersDeglon(0); - double yy = (lat - 0) * metersDeglat(0); - - double rad = Math.sqrt(xx * xx + yy * yy); + String jsonStr = ""; - if (rad > 0) { - double ct = xx / rad; - double st = yy / rad; - xx = rad * ((ct * Math.cos(0)) + (st * Math.sin(0))); - yy = rad * ((st * Math.cos(0)) - (ct * Math.sin(0))); - } - - cellsDb.setScreenX((float) (xx)); - cellsDb.setScreenY((float) (yy)); + CellNeighbor neighborList = ransimRepo.getCellNeighbor(req.getNodeId()); - List<String> attachedNoeds = serverIdIpNodeMapping.get(cellsDb - .getServerId()); - log.info("Attaching Cell:" - + dumpTopo.getCellList().get(i).getCell().getNodeId() - + " to " + cellsDb.getServerId()); - if (attachedNoeds == null) { - attachedNoeds = new ArrayList<String>(); - } - attachedNoeds.add(cellsDb.getNodeId()); - serverIdIpNodeMapping.put(cellsDb.getServerId(), attachedNoeds); - if (attachedNoeds.size() > numberOfCellsPerNcServer) { - log.warn("Attaching Cell:" - + dumpTopo.getCellList().get(i).getCell() - .getNodeId() + " to " - + cellsDb.getServerId() - + ", But it is exceeding numberOfCellsPerNcServer " - + numberOfCellsPerNcServer); - } + Map<String, String> result = new ConcurrentHashMap<String, String>(); - entitymanager.merge(cellsDb); - entitymanager.flush(); - entitymanager.getTransaction().commit(); + for (NeighborDetails nd : neighborList.getNeighborList()) { - setNetconfServers(cellsDb.getNodeId()); + result.put(nd.getNeigbor().getNeighborCell(), "" + nd.isBlacklisted()); } - dumpSessionDetails(); - - try { - - for (int i = 0; i < dumpTopo.getCellList().size(); i++) { - - String cellNodeId = dumpTopo.getCellList().get(i).getCell() - .getNodeId(); - entitymanager.getTransaction().begin(); - - // neighbor list with the corresponding node id - CellNeighbor neighborList = entitymanager.find( - CellNeighbor.class, cellNodeId); - // cell with the corresponding nodeId - CellDetails currentCell = entitymanager.find( - CellDetails.class, cellNodeId); - - Set<NeighborDetails> newCell = new HashSet<NeighborDetails>(); - - if (currentCell != null) { - if (neighborList == null) { - neighborList = new CellNeighbor(); - neighborList.setNodeId(cellNodeId); - } - List<NbrDump> neighboursFromFile = dumpTopo - .getCellList().get(i).getNeighbor(); - log.info("Creating Neighbor for Cell :" + cellNodeId); - for (NbrDump a : neighboursFromFile) { - String id = a.getNodeId().trim(); - boolean noHo = Boolean.parseBoolean(a - .getBlacklisted().trim()); - CellDetails neighborCell = entitymanager.find( - CellDetails.class, id); - NeighborDetails neighborDetails = new NeighborDetails( - new NeihborId(currentCell.getNodeId(), - neighborCell.getNodeId()), noHo); - - newCell.add(neighborDetails); - } - - neighborList.setNeighborList(newCell); - entitymanager.merge(neighborList); - entitymanager.flush(); - - entitymanager.getTransaction().commit(); - - rsPciHdlr.setCollisionConfusionFromFile(cellNodeId); - - } - - } - - } catch (Exception e1) { - log.info("Exception generateClusterFromFile :", e1); - if (entitymanager.getTransaction().isActive()) { - entitymanager.getTransaction().rollback(); - } + if (result != null) { + Gson gson = new Gson(); + jsonStr = gson.toJson(result); } + return new ResponseEntity<>(jsonStr, HttpStatus.OK); - try { - - long startTimeSectorNumber = System.currentTimeMillis(); - for (int i = 0; i < dumpTopo.getCellList().size(); i++) { - - CellData icellData = dumpTopo.getCellList().get(i); - CellDetails icell = entitymanager.find(CellDetails.class, - icellData.getCell().getNodeId()); - int icount = icell.getSectorNumber(); - if (icount == 0) { - entitymanager.getTransaction().begin(); - log.info("Setting sectorNumber for Cell(i) :" - + icell.getNodeId()); - int jcount = 0; - for (int j = (i + 1); j < dumpTopo.getCellList().size(); j++) { - - CellData jcellData = dumpTopo.getCellList().get(j); - if (icellData.getCell().getLatitude() - .equals(jcellData.getCell().getLatitude())) { - if (icellData - .getCell() - .getLongitude() - .equals(jcellData.getCell() - .getLongitude())) { - - if (icount == 0) { - icount++; - jcount = icount + 1; - } - - CellDetails jcell = entitymanager.find( - CellDetails.class, dumpTopo - .getCellList().get(j) - .getCell().getNodeId()); - - jcell.setSectorNumber(jcount); - log.info("Setting sectorNumber for Cell(j) :" - + jcell.getNodeId() - + " icell: " - + icell.getNodeId() - + " Sector number: " + jcount); - entitymanager.merge(jcell); - jcount++; - if (jcount > 3) { - break; - } - } - } - } - icell.setSectorNumber(icount); - entitymanager.merge(icell); - entitymanager.flush(); - entitymanager.getTransaction().commit(); - } - - } - - long endTimeSectorNumber = System.currentTimeMillis(); - log.info("Time taken for setting sector number: " - + (endTimeSectorNumber - startTimeSectorNumber)); - - } catch (Exception e3) { - log.info("Exception generateClusterFromFile :", e3); - if (entitymanager.getTransaction().isActive()) { - entitymanager.getTransaction().rollback(); - } - } + } catch (Exception eu) { + log.error("/getNeighborList", eu); - } catch (Exception e) { - log.info("Exception generateClusterFromFile :", e); - if (entitymanager.getTransaction().isActive()) { - entitymanager.getTransaction().rollback(); - } - } finally { - br.close(); - entitymanager.close(); - emfactory.close(); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); } } /** - * The function deletes the cell from the database with the nodeId passed in - * the arguments. It removes the cell from its neighbor's neighbor list and - * the netconf server list. + * Changes the pci number or nbr list for the given cell. * - * @param nodeId - * node Id of the cell to be deleted. - * @return returns success or failure message + * @param req gets the necessary details as a request of class type + * ModifyACellReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public static String deleteCellFunction(String nodeId) { - String result = "failure node dosent exist"; - log.info("deleteCellFunction called with nodeId :" + nodeId); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); + @ApiOperation("Changes the pci number or nbr list for the given cell") + @RequestMapping(value = "/ModifyACell", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot update the PCI for the given cell") }) + public ResponseEntity<String> modifyACell(@RequestBody ModifyACellReq req) throws Exception { + log.debug("Inside ModifyCell..."); try { - CellDetails deleteCelldetail = rsDb.getCellDetail(nodeId); - - CellNeighbor deleteCellNeighbor = rsDb.getCellNeighbor(nodeId); - - if (deleteCelldetail != null) { - if (deleteCellNeighbor != null) { - List<CellNeighbor> cellNeighborList = rsDb - .getCellNeighborList(); - for (CellNeighbor cellNeighbors : cellNeighborList) { - Set<NeighborDetails> currentCellNeighbors = new HashSet<NeighborDetails>( - cellNeighbors.getNeighborList()); - - NeihborId deleteNeighborDetail = new NeihborId( - cellNeighbors.getNodeId(), - deleteCelldetail.getNodeId()); - - if (currentCellNeighbors.contains(deleteNeighborDetail)) { - log.info("Deleted Cell is Neighbor of NodeId : " - + cellNeighbors.getNodeId()); - currentCellNeighbors.remove(deleteNeighborDetail); - cellNeighbors.setNeighborList(currentCellNeighbors); - rsDb.mergeCellNeighbor(cellNeighbors); - } - } + long startTimemodifyCell = System.currentTimeMillis(); - deleteCellNeighbor.getNeighborList().clear(); - rsDb.deleteCellNeighbor(deleteCellNeighbor); - } + String nbrsStr = req.getNewNbrs(); + if (req.getNewNbrs() == null) { + nbrsStr = ""; + } + String source = "GUI"; + List<NeighborDetails> nbrsList = new ArrayList<NeighborDetails>(); + String[] newNbrsArr = nbrsStr.split(","); - rsDb.deleteCellDetails(deleteCelldetail); - result = "cell has been deleted from the database"; + for (int i = 0; i < newNbrsArr.length; i++) { + NeighborDetails cell = new NeighborDetails(new NeihborId(req.getNodeId(), newNbrsArr[i].trim()), false); + nbrsList.add(cell); + } + + int result = rsPciHdlr.modifyCellFunction(req.getNodeId(), req.getNewPhysicalCellId(), nbrsList, source); + rscServices.handleModifyPciFromGui(req.getNodeId(), req.getNewPhysicalCellId()); + long endTimemodifyCell = System.currentTimeMillis(); + log.info("Time taken to modify cell : " + (endTimemodifyCell - startTimemodifyCell)); + + if (result == 200) { + return new ResponseEntity<String>(HttpStatus.OK); + } else if (result == 400) { + return new ResponseEntity<String>(HttpStatus.BAD_REQUEST); } else { - log.info("cell id does not exist"); - result = "failure nodeId dosent exist"; - return result; + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); } - } catch (Exception eu) { - log.info("Exception deleteCellFunction :", eu); - result = "exception in function"; + } catch (Exception eu) { + log.error("Exception in modifyACell", eu); + return new ResponseEntity<>("Cannot update the PCI for the given cell", HttpStatus.INTERNAL_SERVER_ERROR); } - return result; + } /** - * Send configuration details to all the netconf server. + * The function changes the PCI number of the cell for the the mentioned nodeId. + * + * @param req gets the necessary details as a request of class type + * GetACellDetailReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public void sendInitialConfigAll() { - RansimControllerDatabase rsDb = new RansimControllerDatabase(); + @ApiOperation("Changes the pci number of the cell for the the mentioned nodeId") + @PostMapping(value = "/GetACellDetail") + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot retrive the cell details for the given cell") }) + public ResponseEntity<String> getACellDetail(@RequestBody GetACellDetailReq req) throws Exception { + + log.debug("Inside GetACellDetailReq..."); try { - dumpSessionDetails(); - List<NetconfServers> ncServers = rsDb.getNetconfServersList(); - for (NetconfServers netconfServers : ncServers) { - String ipPortKey = serverIdIpPortMapping.get(netconfServers - .getServerId()); - if (ipPortKey == null || ipPortKey.trim().equals("")) { - log.info("No client for " + netconfServers.getServerId()); - for (String ipPortKeyStr : webSocketSessions.keySet()) { - if (!serverIdIpPortMapping.containsValue(ipPortKeyStr)) { - serverIdIpPortMapping.put( - netconfServers.getServerId(), ipPortKeyStr); - ipPortKey = ipPortKeyStr; - break; - } - } - } - if (ipPortKey != null && !ipPortKey.trim().equals("")) { - Session clSess = webSocketSessions.get(ipPortKey); - if (clSess != null) { - sendInitialConfig(netconfServers.getServerId()); - try { - String[] agentDetails = ipPortKey.split(":"); - new RestClient().sendMountRequestToSdnr( - netconfServers.getServerId(), sdnrServerIp, - sdnrServerPort, agentDetails[0], - agentDetails[1], sdnrServerUserid, - sdnrServerPassword); - } catch (Exception ex1) { - log.info("Ignoring exception", ex1); - } - - } else { - log.info("No session for " + ipPortKey); - } - } + String jsonStr = null; + + CellDetails cd = ransimRepo.getCellDetail(req.getNodeId()); + if (cd != null) { + Gson gson = new Gson(); + jsonStr = gson.toJson(cd); } + return new ResponseEntity<>(jsonStr, HttpStatus.OK); + } catch (Exception eu) { - log.info("Exception:", eu); + log.error("Exception in getACellDetail : {} ", eu); + return new ResponseEntity<>("Cannot update the PCI for the given cell", HttpStatus.INTERNAL_SERVER_ERROR); } } /** - * Sends initial configuration details of the cells for a new netconf server - * that has been started. + * The function deletes a cell with the mentioned nodeId. * - * @param ipPortKey - * ip address details of the netconf server + * @param req gets the necessary details as a request of class type + * DeleteACellReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public void sendInitialConfigForNewAgent(String ipPortKey, String serverId) { + @ApiOperation("Deletes a cell with the mentioned nodeId") + @RequestMapping(value = "/DeleteACell", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot delete the given cell") }) + public ResponseEntity<String> deleteACell(@RequestBody DeleteACellReq req) throws Exception { + log.debug("Inside delete cell..."); + try { - dumpSessionDetails(); - if (ipPortKey != null && !ipPortKey.trim().equals("")) { - if (serverId != null && !serverId.trim().equals("")) { - Session clSess = webSocketSessions.get(ipPortKey); - if (clSess != null) { - String[] agentDetails = ipPortKey.split(":"); - sendInitialConfig(serverId); - new RestClient().sendMountRequestToSdnr(serverId, - sdnrServerIp, sdnrServerPort, agentDetails[0], - agentDetails[1], sdnrServerUserid, - sdnrServerPassword); - } else { - log.info("No session for " + ipPortKey); - } - } else { - log.info("No serverid for " + ipPortKey); - } - } else { - log.info("Invalid ipPortKey " + ipPortKey); - } + long startTimeDeleteCell = System.currentTimeMillis(); + String result = rscServices.deleteCellFunction(req.getNodeId()); + long endTimeDeleteCell = System.currentTimeMillis(); + log.info("Time taken to delete cell : " + (endTimeDeleteCell - startTimeDeleteCell)); + return new ResponseEntity<String>(HttpStatus.OK); + } catch (Exception eu) { - log.info("Exception:", eu); + log.error("Exception in deleteACell", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); } } /** - * To send the initial configration to the netconf server. + * The function stops RAN network simulation and deletes all the cell data from + * the database. * - * @param serverId - * ip address details of the netconf server + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public void sendInitialConfig(String serverId) { + @ApiOperation("Stops RAN network simulation and deletes all the cell data from the database") + @RequestMapping(value = "/StopSimulation", method = RequestMethod.DELETE) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot stop simulation") }) + public ResponseEntity<String> stopSimulation() throws Exception { + log.debug("Inside stopSimulation..."); + + if (ransimRepo.getCellDetailsList().isEmpty()) { + return new ResponseEntity<>("No simulation is running.", HttpStatus.INTERNAL_SERVER_ERROR); + } - RansimControllerDatabase rsDb = new RansimControllerDatabase(); try { - NetconfServers server = rsDb.getNetconfServer(serverId); - log.info("sendInitialConfig: serverId:" + serverId + ", server:" - + server); - if (server == null) { - return; - } - - String ipPortKey = serverIdIpPortMapping.get(serverId); - - log.info("sendInitialConfig: ipPortKey:" + ipPortKey); - - List<CellDetails> cellList = new ArrayList<CellDetails>( - server.getCells()); - - List<Topology> config = new ArrayList<Topology>(); - - for (int i = 0; i < server.getCells().size(); i++) { - Topology cell = new Topology(); - CellDetails currentCell = rsDb.getCellDetail(cellList.get(i) - .getNodeId()); - CellNeighbor neighbor = rsDb.getCellNeighbor(cellList.get(i) - .getNodeId()); - - cell.setCellId("" + currentCell.getNodeId()); - cell.setPciId(currentCell.getPhysicalCellId()); - cell.setPnfName(serverId); - - List<Neighbor> nbrList = new ArrayList<Neighbor>(); - Set<NeighborDetails> nbrsDet = neighbor.getNeighborList(); - for (NeighborDetails cellDetails : nbrsDet) { - Neighbor nbr = new Neighbor(); - CellDetails nbrCell = rsDb.getCellDetail(cellDetails - .getNeigbor().getNeighborCell()); - nbr.setNodeId(nbrCell.getNodeId()); - nbr.setPhysicalCellId(nbrCell.getPhysicalCellId()); - nbr.setPnfName(nbrCell.getServerId()); - nbr.setServerId(nbrCell.getServerId()); - nbr.setPlmnId(nbrCell.getNetworkId()); - nbr.setBlacklisted(cellDetails.isBlacklisted()); - nbrList.add(nbr); - } - cell.setNeighborList(nbrList); - config.add(i, cell); - } - - SetConfigTopology topo = new SetConfigTopology(); + long startTimStopSimulation = System.currentTimeMillis(); + ransimRepo.deleteNetconfServers(); + ransimRepo.deleteCellNeighbors(); + log.info("Stop simulation : " + (startTimStopSimulation)); + ransimRepo.deleteAllCellDetails(); + String result = rscServices.stopAllSimulation(); + log.info("All cell simulation are stopped...." + result); + long endTimStopSimulation = System.currentTimeMillis(); + log.info("Time taken for stopping simulation : " + (endTimStopSimulation - startTimStopSimulation)); + return new ResponseEntity<>("Success", HttpStatus.OK); - topo.setServerId(server.getServerId()); - String uuid = globalNcServerUuidMap.get(server.getServerId()); - if (uuid == null) { - uuid = getUuid(); - globalNcServerUuidMap.put(server.getServerId(), uuid); - } - topo.setUuid(uuid); + } catch (Exception eu) { + log.error("Exception in stopSimulation", eu); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); + } - topo.setTopology(config); + } + + @ApiOperation("Stops RAN Slicing network simulation and deletes all the data from the database") + @RequestMapping(value = "/StopRanSliceSimulation", method = RequestMethod.DELETE) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot stop simulation") }) + public ResponseEntity<String> stopRanSliceSimulation() throws Exception { + log.debug("Inside stopSimulation..."); + if (ransimRepo.getCellDetailsList().isEmpty()) { + return new ResponseEntity<>("No simulation is running.", HttpStatus.INTERNAL_SERVER_ERROR); + } - Gson gson = new Gson(); - String jsonStr = gson.toJson(topo); - log.info("ConfigTopologyMessage: " + jsonStr); - Session clSess = webSocketSessions.get(ipPortKey); - RansimWebSocketServer.sendSetConfigTopologyMessage(jsonStr, clSess); + try { + long startTimStopSimulation = System.currentTimeMillis(); + ransimRepo.deleteNetconfServers(); + log.info("Stop simulation : " + (startTimStopSimulation)); + String result = rscServices.stopAllSimulation(); + log.info("All cell simulation are stopped...." + result); + long endTimStopSimulation = System.currentTimeMillis(); + log.info("Time taken for stopping simulation : " + (endTimStopSimulation - startTimStopSimulation)); + return new ResponseEntity<>("Simulation stopped", HttpStatus.OK); } catch (Exception eu) { - log.info("Exception:", eu); + log.error("Exception in stopRanSliceSimulation", eu); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); } } - private static String getUuid() { - return UUID.randomUUID().toString(); - } - /** - * The function alters the database information based on the modifications - * made in the SDNR. + * The function returns the details of a Netconf server for the mentioned server + * id. * - * @param message - * message received from the SDNR - * @param session - * sends the session details - * @param ipPort - * ip address of the netconf server + * @param req gets the necessary details as a request of class type + * GetNetconfServerDetailsReq + * @return returns Http status + * @throws Exception throws exceptions in the functions */ - public void handleModifyPciFromSdnr(String message, Session session, - String ipPort) { - log.info("handleModifyPciFromSDNR: message:" + message + " session:" - + session + " ipPort:" + ipPort); - RansimControllerDatabase rcDb = new RansimControllerDatabase(); - ModifyPci modifyPci = new Gson().fromJson(message, ModifyPci.class); - log.info("handleModifyPciFromSDNR: modifyPci:" + modifyPci.getCellId() - + "; pci: " + modifyPci.getPciId()); - String source = "Netconf"; - - CellDetails cd = rcDb.getCellDetail(modifyPci.getCellId()); - long pci = cd.getPhysicalCellId(); - cd.setPhysicalCellId(modifyPci.getPciId()); - rcDb.mergeCellDetails(cd); - rsPciHdlr.updatePciOperationsTable(modifyPci.getCellId(), source, pci, - modifyPci.getPciId()); - } + @ApiOperation("Returns the details of a Netconf server for the mentioned server id") + @RequestMapping(value = "/GetNetconfServerDetails", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Failure in GetNetconfServerDetails API") }) + public ResponseEntity<String> getNetconfServerDetails(@RequestBody GetNetconfServerDetailsReq req) + throws Exception { - /** - * The function alters the database information based on the modifications - * made in the SDNR. - * - * @param message - * message received from the SDNR - * @param session - * sends the session details - * @param ipPort - * ip address of the netconf server - */ - public void handleModifyNeighborFromSdnr(String message, Session session, - String ipPort) { - log.info("handleModifyAnrFromSDNR: message:" + message + " session:" - + session + " ipPort:" + ipPort); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); - ModifyNeighbor modifyNeighbor = new Gson().fromJson(message, - ModifyNeighbor.class); - log.info("handleModifyAnrFromSDNR: modifyPci:" - + modifyNeighbor.getCellId()); - CellDetails currentCell = rsDb - .getCellDetail(modifyNeighbor.getCellId()); - List<NeighborDetails> neighborList = new ArrayList<NeighborDetails>(); - List<String> cellList = new ArrayList<String>(); - cellList.add(modifyNeighbor.getCellId()); - String nbrsAdd = ""; - String nbrsDel = ""; - String source = "Netconf"; - - for (int i = 0; i < modifyNeighbor.getNeighborList().size(); i++) { - if (modifyNeighbor.getNeighborList().get(i).isBlacklisted()) { - NeighborDetails nd = new NeighborDetails(new NeihborId( - modifyNeighbor.getCellId(), modifyNeighbor - .getNeighborList().get(i).getNodeId()), true); - rsDb.mergeNeighborDetails(nd); - cellList.add(modifyNeighbor.getNeighborList().get(i) - .getNodeId()); - if (nbrsAdd.equals("")) { - nbrsDel = modifyNeighbor.getNeighborList().get(i) - .getNodeId(); + try { + log.debug("Inside GetNetconfServerDetails API..."); + String result = ""; + String input = req.getServerId(); + if (input.startsWith("Chn")) { + CellDetails cds = ransimRepo.getCellDetail(input); + if (cds != null) { + Gson gson = new Gson(); + String jsonStr = gson.toJson(cds); + result = "{\"serverId\":\"any\",\"cells\":[" + jsonStr + "]}"; } else { - nbrsDel += "," - + modifyNeighbor.getNeighborList().get(i) - .getNodeId(); + result = ("Cell Id does not exist"); } } else { - NeighborDetails nd = new NeighborDetails(new NeihborId( - modifyNeighbor.getCellId(), modifyNeighbor - .getNeighborList().get(i).getNodeId()), false); - rsDb.mergeNeighborDetails(nd); - cellList.add(modifyNeighbor.getNeighborList().get(i) - .getNodeId()); - if (nbrsDel.equals("")) { - nbrsAdd = modifyNeighbor.getNeighborList().get(i) - .getNodeId(); + NetconfServers ns = ransimRepo.getNetconfServer(input); + if (ns != null) { + Gson gson = new Gson(); + String jsonStr = gson.toJson(ns); + result = jsonStr; } else { - nbrsAdd += "," - + modifyNeighbor.getNeighborList().get(i) - .getNodeId(); + result = ("Server Id does not exist"); } } + return new ResponseEntity<>(result, HttpStatus.OK); + } catch (Exception eu) { + log.error("/GetNetconfServers", eu); + return new ResponseEntity<>("Failure in GetNetconfServerDetails API", HttpStatus.INTERNAL_SERVER_ERROR); } - - for (String cl : cellList) { - RansimPciHandler.setCollisionConfusionFromFile(cl); - } - - log.info("neighbor list: " + neighborList); - - rsPciHdlr.updateNbrsOperationsTable(modifyNeighbor.getCellId(), source, - nbrsAdd, nbrsDel); } - /** - * The function sends the modification made in the GUI to the netconf - * server. - * - * @param cellId - * node Id of the cell which was modified - * @param pciId - * PCI number of the cell which was modified - */ - public void handleModifyPciFromGui(String cellId, long pciId) { - log.info("handleModifyPciFromGUI: cellId:" + cellId + " pciId:" + pciId); - RansimControllerDatabase rsDb = new RansimControllerDatabase(); + @ApiOperation("Returns the connection status of all netconf servers") + @RequestMapping(value = "/GetNetconfStatus", method = RequestMethod.GET) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Failure in GetNetconfServerDetails API") }) + public ResponseEntity<String> GetNetconfStatus() throws Exception { try { - CellDetails currentCell = rsDb.getCellDetail(cellId); - CellNeighbor neighborList = rsDb.getCellNeighbor(cellId); - List<Neighbor> nbrList = new ArrayList<Neighbor>(); - Iterator<NeighborDetails> iter = neighborList.getNeighborList() - .iterator(); - while (iter.hasNext()) { - NeighborDetails nbCell = iter.next(); - Neighbor nbr = new Neighbor(); - CellDetails nbrCell = rsDb.getCellDetail(nbCell.getNeigbor() - .getNeighborCell()); - - nbr.setNodeId(nbrCell.getNodeId()); - nbr.setPhysicalCellId(nbrCell.getPhysicalCellId()); - nbr.setPnfName(nbrCell.getNodeName()); - nbr.setServerId(nbrCell.getServerId()); - nbr.setPlmnId(nbrCell.getNetworkId()); - nbrList.add(nbr); + log.debug("Inside GetNetconfServerDetails API..."); + String result = ""; + + List<NetconfServers> ns = ransimRepo.getNetconfServersList(); + if (ns != null) { + GsonBuilder gsonBuilder = new GsonBuilder(); + gsonBuilder.serializeNulls(); + Gson gson = gsonBuilder.create(); + String jsonStr = gson.toJson(ns); + result = jsonStr; + } else { + result = ("Server Id does not exist"); } - String pnfName = currentCell.getServerId(); - String ipPort = serverIdIpPortMapping.get(pnfName); - log.info("handleModifyPciFromGui:ipPort >>>>>>> " + ipPort); - - if (ipPort != null && !ipPort.trim().equals("")) { - - String[] ipPortArr = ipPort.split(":"); - Topology oneCell = new Topology(pnfName, pciId, cellId, nbrList); - UpdateCell updatedPci = new UpdateCell( - currentCell.getServerId(), ipPortArr[0], ipPortArr[1], - oneCell); - Gson gson = new Gson(); - String jsonStr = gson.toJson(updatedPci); - if (ipPort != null && !ipPort.trim().equals("")) { - Session clSess = webSocketSessions.get(ipPort); - if (clSess != null) { - RansimWebSocketServer.sendUpdateCellMessage(jsonStr, - clSess); - log.info("handleModifyPciFromGui, message: " + jsonStr); - } else { - log.info("No client session for " + ipPort); - } - } else { - log.info("No client for " + currentCell.getServerId()); - } - } + return new ResponseEntity<>(result, HttpStatus.OK); } catch (Exception eu) { - - log.info("Exception:", eu); + log.error("/GetNetconfServers", eu); + return new ResponseEntity<>("Failure in GetNetconfServerDetails API", HttpStatus.INTERNAL_SERVER_ERROR); } } /** - * The function unmounts the connection with SDNR. + * The function retrieves RAN simulation network topology. + * + * @return returns Http status + * @throws Exception throws exceptions in the functions * - * @return returns null value */ - public String stopAllCells() { - RansimControllerDatabase rcDb = new RansimControllerDatabase(); + @ApiOperation("Retrieves operations log - Modify/Delete operations performed") + @GetMapping(value = "/GetOperationLog") + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot retrieve the Operation Logs") }) + public ResponseEntity<String> getOperationLog() throws Exception { + log.debug("Inside getOperationLog..."); try { - List<NetconfServers> ncServers = rcDb.getNetconfServersList(); - for (NetconfServers netconfServers : ncServers) { - try { - log.info("Unmount " + netconfServers.getServerId()); - new RestClient().sendUnmountRequestToSdnr( - netconfServers.getServerId(), sdnrServerIp, - sdnrServerPort, sdnrServerUserid, - sdnrServerPassword); - } catch (Exception e) { - log.info("Ignore Exception:", e); - } - serverIdIpNodeMapping.clear(); + List<OperationLog> ols = ransimRepo.getOperationLogList(); + if (ols != null && ols.size() > 0) { + Gson gson = new Gson(); + String jsonStr = gson.toJson(ols); + return new ResponseEntity<>(jsonStr, HttpStatus.OK); + } else { + return new ResponseEntity<>("", HttpStatus.OK); } - return "Netconf servers unmounted."; } catch (Exception eu) { - - log.info("Exception:", eu); - return "Error"; - } - - } - - /** - * Used to dump session details. - */ - synchronized public static void dumpSessionDetails() { - - try { - - log.info("serverIdIpPortMapping.size:" - + serverIdIpPortMapping.size() + "webSocketSessions.size" - + webSocketSessions.size()); - for (String key : serverIdIpPortMapping.keySet()) { - String val = serverIdIpPortMapping.get(key); - Session sess = webSocketSessions.get(val); - log.info("ServerId:" + key + " IpPort:" + val + " Session:" - + sess); - } - for (String serverId : unassignedServerIds) { - log.info("Unassigned ServerId:" + serverId); - } - for (String serverId : serverIdIpPortMapping.keySet()) { - List<String> attachedNoeds = serverIdIpNodeMapping - .get(serverId); - if (attachedNoeds != null) { - log.info("ServerId:" + serverId + " attachedNoeds.size:" - + attachedNoeds.size() + " nodes:" - + attachedNoeds.toArray()); - } else { - log.info("ServerId:" + serverId + " attachedNoeds:" + null); - } - } - } catch (Exception e) { - log.info("Exception:", e); + log.error("/GetOperationLog", eu); + return new ResponseEntity<>("Failure", HttpStatus.INTERNAL_SERVER_ERROR); } } -} - -class KeepWebsockAliveThread extends Thread { - static Logger log = Logger - .getLogger(KeepWebsockAliveThread.class.getName()); - RansimController rsCtrlr = null; - KeepWebsockAliveThread(RansimController ctrlr) { - rsCtrlr = ctrlr; - } - - @Override - public void run() { - log.info("Inside KeepWebsockAliveThread run method"); - while (true) { - for (String ipPort : rsCtrlr.webSocketSessions.keySet()) { - try { - Session sess = rsCtrlr.webSocketSessions.get(ipPort); - RansimWebSocketServer.sendPingMessage(sess); - log.debug("Sent ping message to Client ipPort:" + ipPort); - } catch (Exception ex1) { - } - } - try { - Thread.sleep(10000); - } catch (Exception ex) { - } - } - } + @ApiOperation("Generate IntelligentSlicing PM data") + @RequestMapping(value = "/GenerateIntelligentSlicingPmData", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot t the simulation") }) + public ResponseEntity<String> generateIntelligentSlicingPmData(){ + log.info("******************Request to generate***************************"); + + try { + long startTime = (System.currentTimeMillis()); + Iterable<TACells> tacellList = ranSliceConfigService.fetchAllTA(); + HashMap<String,List<String>> taCells = new HashMap<>(); + for(TACells ta : tacellList) + { + String[] cells = ta.getCellsList().split(","); + List<String> cellList = new ArrayList<String>(Arrays.asList(cells)); + taCells.put(ta.getTrackingArea(),cellList); + } + execServiceForIntelligentSlicing = Executors.newScheduledThreadPool(5); + execServiceForIntelligentSlicing.scheduleAtFixedRate( + () -> { + + ranSliceHandler.generateIntelligentSlicingPmData(startTime,taCells); + log.info("execServiceforIntelligentSlicing.isTerminated(): " + execServiceForIntelligentSlicing.isTerminated()); + + }, 0, 10, TimeUnit.SECONDS); + + isIntelligentSlicingPmDataGenerating = true; + + + + } catch (Exception eu) { + log.info("Exception: ", eu); + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); + + } + return new ResponseEntity<>("IntelligentSlicing PM data generated.", HttpStatus.OK); + } + + @ApiOperation("Stop IntelligentSlicing PM data") + @RequestMapping(value = "/stopIntelligentSlicingPmData", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> stopIntelligentSlicingPmData() throws Exception { + + try { + log.info("1. execServiceForIntelligentSlicing.isTerminated(): " + execServiceForIntelligentSlicing.isTerminated()); + if (!execServiceForIntelligentSlicing.isTerminated()) { + execServiceForIntelligentSlicing.shutdown(); + log.info("2. execServiceForIntelligentSlicing.isTerminated(): " + execServiceForIntelligentSlicing.isTerminated()); + + } + isIntelligentSlicingPmDataGenerating = false; + return new ResponseEntity<>("Stopped PM data generation.", HttpStatus.OK); + + } catch (Exception eu) { + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); + } + + } + + + /* + *Generate closed loopPM data for DUs + * + */ + @ApiOperation("Generate Closed loop PM data") + @RequestMapping(value = "/generateClosedLoopPmData", method = RequestMethod.POST) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Problem generating closed loop PM data") }) + public ResponseEntity<String> generateClosedLoopPmData() { + long startTime = (System.currentTimeMillis()); + log.info("Closed loop PM Data generation started at " + startTime); + closedLoopExecService = Executors.newScheduledThreadPool(5); + closedLoopExecService.scheduleAtFixedRate(() -> { + pmDataGenerator.generateClosedLoopPmData(startTime); + log.info("closedLoopexecService.isTerminated(): " + execServiceForIntelligentSlicing.isTerminated()); + + }, 0, 10, TimeUnit.SECONDS); + + return new ResponseEntity<>("Generating Closed loop PM data.", HttpStatus.OK); + } + + @ApiOperation("Stop Closed loop PM data") + @RequestMapping(value = "/stopClosedLoopPmData", method = RequestMethod.GET) + @ApiResponses(value = { @ApiResponse(code = 200, message = "Successful"), + @ApiResponse(code = 500, message = "Cannot start the simulation") }) + public ResponseEntity<String> stopClosedLoopPmData() throws Exception { + + try { + log.info("1. closedLoopexecService.isTerminated(): " + closedLoopExecService.isTerminated()); + if (!closedLoopExecService.isTerminated()) { + closedLoopExecService.shutdown(); + log.info("2. closedLoopexecService.isTerminated(): " + closedLoopExecService.isTerminated()); + + } + return new ResponseEntity<>("Closed loop PM data generated.", HttpStatus.OK); + + } catch (Exception eu) { + return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); + } + + } } |