Tests L2 ACL creation and read.
Equivalent to the following vppctl commands:
- *
- *
{@code
- * vppctl classify table mask l2 src
- * vppctl classify session acl-hit-next deny opaque-index 0 table-index 0 match l2 src 01:02:03:04:05:06
- * vppctl set int input acl intfc local0 l2-table 0
- * vppctl sh class table verbose
- * }
- *
- */
-public class L2AclExample {
-
- private static final int LOCAL0_IFACE_ID = 0;
- private static final char[] hexArray = "0123456789ABCDEF".toCharArray();
-
-
- private static ClassifyAddDelTable createClassifyTable() {
- ClassifyAddDelTable request = new ClassifyAddDelTable();
- request.isAdd = 1;
- request.tableIndex = ~0; // default
- request.nbuckets = 2;
- request.memorySize = 2 << 20;
- request.nextTableIndex = ~0; // default
- request.missNextIndex = ~0; // default
- request.skipNVectors = 0;
- request.matchNVectors = 1;
- request.mask =
- new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
- (byte) 0xff, (byte) 0xff, 0x00, 0x00, 0x00, 0x00};
- return request;
- }
-
- private static String bytesToHex(byte[] bytes) {
- char[] hexChars = new char[bytes.length * 2];
- for ( int j = 0; j < bytes.length; j++ ) {
- int v = bytes[j] & 0xFF;
- hexChars[j * 2] = hexArray[v >>> 4];
- hexChars[j * 2 + 1] = hexArray[v & 0x0F];
- }
- return new java.lang.String(hexChars);
- }
-
- private static ClassifyTableInfo createClassifyTableInfoRequest(final int tableId) {
- ClassifyTableInfo request = new ClassifyTableInfo();
- request.tableId = tableId;
- return request;
- }
-
- private static ClassifyAddDelSession createClassifySession(final int tableIndex) {
- ClassifyAddDelSession request = new ClassifyAddDelSession();
- request.isAdd = 1;
- request.tableIndex = tableIndex;
- request.hitNextIndex = 0; // deny
- request.opaqueIndex = 0;
- request.advance = 0; // default
- // match 01:02:03:04:05:06 mac address
- request.match =
- new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04,
- (byte) 0x05, (byte) 0x06, 0x00, 0x00, 0x00, 0x00};
- return request;
- }
-
- private static ClassifySessionDump createClassifySessionDumpRequest(final int newTableIndex) {
- ClassifySessionDump request = new ClassifySessionDump();
- request.tableId = newTableIndex;
- return request;
- }
-
- private static InputAclSetInterface aclSetInterface() {
- InputAclSetInterface request = new InputAclSetInterface();
- request.isAdd = 1;
- request.swIfIndex = LOCAL0_IFACE_ID;
- request.ip4TableIndex = ~0; // skip
- request.ip6TableIndex = ~0; // skip
- request.l2TableIndex = 0;
- return request;
- }
-
- private static ClassifyTableByInterface createClassifyTableByInterfaceRequest() {
- ClassifyTableByInterface request = new ClassifyTableByInterface();
- request.swIfIndex = LOCAL0_IFACE_ID;
- return request;
- }
-
- private static void print(ClassifyAddDelTableReply reply) {
- System.out.printf("ClassifyAddDelTableReply: %s%n", reply);
- }
-
- private static void print(ClassifyTableIdsReply reply) {
- System.out.printf("ClassifyTableIdsReply: %s%n", reply);
- }
-
- private static void print(final ClassifyTableInfoReply reply) {
- System.out.println(reply);
- if (reply != null) {
- System.out.println("Mask hex: " + bytesToHex(reply.mask));
- }
- }
-
- private static void print(ClassifyAddDelSessionReply reply) {
- System.out.printf("ClassifyAddDelSessionReply: context=%s%n", reply);
- }
-
- private static void print(final ClassifySessionDetailsReplyDump reply) {
- System.out.println(reply);
- reply.classifySessionDetails.forEach(detail -> {
- System.out.println(detail);
- System.out.println("Match hex: " + bytesToHex(detail.match));
- });
- }
-
- private static void print(final InputAclSetInterfaceReply reply) {
- System.out.printf("InputAclSetInterfaceReply: context=%s%n", reply);
- }
-
- private static void print(final ClassifyTableByInterfaceReply reply) {
- System.out.printf("ClassifyAddDelTableReply: %s%n", reply);
- }
-
- private static void testL2Acl() throws Exception {
- System.out.println("Testing L2 ACLs using Java callback API");
- try (final JVppRegistry registry = new JVppRegistryImpl("L2AclExample");
- final FutureJVppCoreFacade jvppFacade = new FutureJVppCoreFacade(registry, new JVppCoreImpl())) {
-
- System.out.println("Successfully connected to VPP");
- Thread.sleep(1000);
-
- final ClassifyAddDelTableReply classifyAddDelTableReply =
- jvppFacade.classifyAddDelTable(createClassifyTable()).toCompletableFuture().get();
- print(classifyAddDelTableReply);
-
- final ClassifyTableIdsReply classifyTableIdsReply =
- jvppFacade.classifyTableIds(new ClassifyTableIds()).toCompletableFuture().get();
- print(classifyTableIdsReply);
-
- final ClassifyTableInfoReply classifyTableInfoReply =
- jvppFacade.classifyTableInfo(createClassifyTableInfoRequest(classifyAddDelTableReply.newTableIndex))
- .toCompletableFuture().get();
- print(classifyTableInfoReply);
-
- final ClassifyAddDelSessionReply classifyAddDelSessionReply =
- jvppFacade.classifyAddDelSession(createClassifySession(classifyAddDelTableReply.newTableIndex))
- .toCompletableFuture().get();
- print(classifyAddDelSessionReply);
-
- final ClassifySessionDetailsReplyDump classifySessionDetailsReplyDump =
- jvppFacade.classifySessionDump(createClassifySessionDumpRequest(classifyAddDelTableReply.newTableIndex))
- .toCompletableFuture().get();
- print(classifySessionDetailsReplyDump);
-
- final InputAclSetInterfaceReply inputAclSetInterfaceReply =
- jvppFacade.inputAclSetInterface(aclSetInterface()).toCompletableFuture().get();
- print(inputAclSetInterfaceReply);
-
- final ClassifyTableByInterfaceReply classifyTableByInterfaceReply =
- jvppFacade.classifyTableByInterface(createClassifyTableByInterfaceRequest()).toCompletableFuture()
- .get();
- print(classifyTableByInterfaceReply);
-
- System.out.println("Disconnecting...");
- }
- Thread.sleep(1000);
- }
-
- public static void main(String[] args) throws Exception {
- testL2Acl();
- }
-}