Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | package net.floodlightcontroller.core.internal; |
| 2 | |
Jonathan Hart | a88fd24 | 2014-04-03 11:24:54 -0700 | [diff] [blame] | 3 | import static org.easymock.EasyMock.capture; |
| 4 | import static org.easymock.EasyMock.createMock; |
| 5 | import static org.easymock.EasyMock.expect; |
| 6 | import static org.easymock.EasyMock.replay; |
| 7 | import static org.easymock.EasyMock.reset; |
| 8 | import static org.easymock.EasyMock.verify; |
| 9 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 10 | import java.net.InetSocketAddress; |
| 11 | import java.net.SocketAddress; |
| 12 | import java.util.List; |
| 13 | |
| 14 | import net.floodlightcontroller.core.IFloodlightProviderService.Role; |
| 15 | import net.floodlightcontroller.core.IOFSwitch; |
| 16 | import net.floodlightcontroller.core.internal.OFSwitchImpl.PendingRoleRequestEntry; |
| 17 | import net.floodlightcontroller.core.test.MockFloodlightProvider; |
| 18 | import net.floodlightcontroller.test.FloodlightTestCase; |
| 19 | |
| 20 | import org.easymock.Capture; |
| 21 | import org.jboss.netty.channel.Channel; |
| 22 | import org.junit.Before; |
| 23 | import org.junit.Test; |
| 24 | import org.openflow.protocol.OFMessage; |
| 25 | import org.openflow.protocol.OFType; |
| 26 | import org.openflow.protocol.OFVendor; |
| 27 | import org.openflow.protocol.vendor.OFVendorData; |
| 28 | import org.openflow.vendor.nicira.OFNiciraVendorData; |
| 29 | import org.openflow.vendor.nicira.OFRoleRequestVendorData; |
| 30 | import org.openflow.vendor.nicira.OFRoleVendorData; |
| 31 | |
| 32 | public class OFSwitchImplTest extends FloodlightTestCase { |
| 33 | protected OFSwitchImpl sw; |
| 34 | |
| 35 | |
| 36 | @Before |
| 37 | public void setUp() throws Exception { |
| 38 | sw = new OFSwitchImpl(); |
| 39 | Channel ch = createMock(Channel.class); |
| 40 | SocketAddress sa = new InetSocketAddress(42); |
| 41 | expect(ch.getRemoteAddress()).andReturn(sa).anyTimes(); |
| 42 | sw.setChannel(ch); |
| 43 | MockFloodlightProvider floodlightProvider = new MockFloodlightProvider(); |
| 44 | sw.setFloodlightProvider(floodlightProvider); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | public void doSendNxRoleRequest(Role role, int nx_role) throws Exception { |
| 49 | long cookie = System.nanoTime(); |
| 50 | |
| 51 | // verify that the correct OFMessage is sent |
| 52 | Capture<List<OFMessage>> msgCapture = new Capture<List<OFMessage>>(); |
| 53 | expect(sw.channel.write(capture(msgCapture))).andReturn(null); |
| 54 | replay(sw.channel); |
| 55 | int xid = sw.sendNxRoleRequest(role, cookie); |
| 56 | verify(sw.channel); |
| 57 | List<OFMessage> msgList = msgCapture.getValue(); |
| 58 | assertEquals(1, msgList.size()); |
| 59 | OFMessage msg = msgList.get(0); |
| 60 | assertEquals("Transaction Ids must match", xid, msg.getXid()); |
| 61 | assertTrue("Message must be an OFVendor type", msg instanceof OFVendor); |
| 62 | assertEquals(OFType.VENDOR, msg.getType()); |
| 63 | OFVendor vendorMsg = (OFVendor)msg; |
| 64 | assertEquals("Vendor message must be vendor Nicira", |
| 65 | OFNiciraVendorData.NX_VENDOR_ID, vendorMsg.getVendor()); |
| 66 | OFVendorData vendorData = vendorMsg.getVendorData(); |
| 67 | assertTrue("Vendor Data must be an OFRoleRequestVendorData", |
| 68 | vendorData instanceof OFRoleRequestVendorData); |
| 69 | OFRoleRequestVendorData roleRequest = (OFRoleRequestVendorData)vendorData; |
| 70 | assertEquals(nx_role, roleRequest.getRole()); |
| 71 | |
| 72 | // Now verify that we've added the pending request correctly |
| 73 | // to the pending queue |
| 74 | assertEquals(1, sw.pendingRoleRequests.size()); |
| 75 | PendingRoleRequestEntry pendingRoleRequest = sw.pendingRoleRequests.poll(); |
| 76 | assertEquals(msg.getXid(), pendingRoleRequest.xid); |
| 77 | assertEquals(role, pendingRoleRequest.role); |
| 78 | assertEquals(cookie, pendingRoleRequest.cookie); |
| 79 | reset(sw.channel); |
| 80 | } |
| 81 | |
| 82 | @Test |
| 83 | public void testSendNxRoleRequest() throws Exception { |
| 84 | doSendNxRoleRequest(Role.MASTER, OFRoleVendorData.NX_ROLE_MASTER); |
| 85 | doSendNxRoleRequest(Role.SLAVE, OFRoleVendorData.NX_ROLE_SLAVE); |
| 86 | doSendNxRoleRequest(Role.EQUAL, OFRoleVendorData.NX_ROLE_OTHER); |
| 87 | } |
| 88 | |
| 89 | |
| 90 | @Test |
| 91 | public void testDeliverRoleReplyOk() { |
| 92 | // test normal case |
| 93 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 94 | (int)System.currentTimeMillis(), // arbitrary xid |
| 95 | Role.MASTER, |
| 96 | System.nanoTime() // arbitrary cookie |
| 97 | ); |
| 98 | sw.pendingRoleRequests.add(pending); |
| 99 | replay(sw.channel); |
| 100 | sw.deliverRoleReply(pending.xid, pending.role); |
| 101 | verify(sw.channel); |
| 102 | assertEquals(true, sw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)); |
| 103 | assertEquals(pending.role, sw.role); |
| 104 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 105 | } |
| 106 | |
| 107 | @Test |
| 108 | public void testDeliverRoleReplyOkRepeated() { |
| 109 | // test normal case. Not the first role reply |
| 110 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 111 | (int)System.currentTimeMillis(), // arbitrary xid |
| 112 | Role.MASTER, |
| 113 | System.nanoTime() // arbitrary cookie |
| 114 | ); |
| 115 | sw.setAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE, true); |
| 116 | sw.pendingRoleRequests.add(pending); |
| 117 | replay(sw.channel); |
| 118 | sw.deliverRoleReply(pending.xid, pending.role); |
| 119 | verify(sw.channel); |
| 120 | assertEquals(true, sw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)); |
| 121 | assertEquals(pending.role, sw.role); |
| 122 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 123 | } |
| 124 | |
| 125 | @Test |
| 126 | public void testDeliverRoleReplyNonePending() { |
| 127 | // nothing pending |
| 128 | expect(sw.channel.close()).andReturn(null); |
| 129 | replay(sw.channel); |
| 130 | sw.deliverRoleReply(1, Role.MASTER); |
| 131 | verify(sw.channel); |
| 132 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 133 | } |
| 134 | |
| 135 | @Test |
| 136 | public void testDeliverRoleReplyWrongXid() { |
| 137 | // wrong xid received |
| 138 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 139 | (int)System.currentTimeMillis(), // arbitrary xid |
| 140 | Role.MASTER, |
| 141 | System.nanoTime() // arbitrary cookie |
| 142 | ); |
| 143 | sw.pendingRoleRequests.add(pending); |
| 144 | expect(sw.channel.close()).andReturn(null); |
| 145 | replay(sw.channel); |
| 146 | sw.deliverRoleReply(pending.xid+1, pending.role); |
| 147 | verify(sw.channel); |
| 148 | assertEquals(null, sw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)); |
| 149 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 150 | } |
| 151 | |
| 152 | @Test |
| 153 | public void testDeliverRoleReplyWrongRole() { |
| 154 | // correct xid but incorrect role received |
| 155 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 156 | (int)System.currentTimeMillis(), // arbitrary xid |
| 157 | Role.MASTER, |
| 158 | System.nanoTime() // arbitrary cookie |
| 159 | ); |
| 160 | sw.pendingRoleRequests.add(pending); |
| 161 | expect(sw.channel.close()).andReturn(null); |
| 162 | replay(sw.channel); |
| 163 | sw.deliverRoleReply(pending.xid, Role.SLAVE); |
| 164 | verify(sw.channel); |
| 165 | assertEquals(null, sw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)); |
| 166 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 167 | } |
| 168 | |
| 169 | @Test |
| 170 | public void testCheckFirstPendingRoleRequestXid() { |
| 171 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 172 | 54321, Role.MASTER, 232323); |
| 173 | replay(sw.channel); // we don't expect any invocations |
| 174 | sw.pendingRoleRequests.add(pending); |
| 175 | assertEquals(true, sw.checkFirstPendingRoleRequestXid(54321)); |
| 176 | assertEquals(false, sw.checkFirstPendingRoleRequestXid(0)); |
| 177 | sw.pendingRoleRequests.clear(); |
| 178 | assertEquals(false, sw.checkFirstPendingRoleRequestXid(54321)); |
| 179 | verify(sw.channel); |
| 180 | } |
| 181 | |
| 182 | @Test |
| 183 | public void testCheckFirstPendingRoleRequestCookie() { |
| 184 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 185 | 54321, Role.MASTER, 232323); |
| 186 | replay(sw.channel); // we don't expect any invocations |
| 187 | sw.pendingRoleRequests.add(pending); |
| 188 | assertEquals(true, sw.checkFirstPendingRoleRequestCookie(232323)); |
| 189 | assertEquals(false, sw.checkFirstPendingRoleRequestCookie(0)); |
| 190 | sw.pendingRoleRequests.clear(); |
| 191 | assertEquals(false, sw.checkFirstPendingRoleRequestCookie(232323)); |
| 192 | verify(sw.channel); |
| 193 | } |
| 194 | |
| 195 | @Test |
| 196 | public void testDeliverRoleRequestNotSupported () { |
| 197 | // normal case. xid is pending |
| 198 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 199 | (int)System.currentTimeMillis(), // arbitrary xid |
| 200 | Role.MASTER, |
| 201 | System.nanoTime() // arbitrary cookie |
| 202 | ); |
| 203 | sw.role = Role.SLAVE; |
| 204 | sw.pendingRoleRequests.add(pending); |
| 205 | replay(sw.channel); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame] | 206 | sw.deliverRoleRequestNotSupportedEx(pending.xid); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 207 | verify(sw.channel); |
| 208 | assertEquals(false, sw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)); |
| 209 | assertEquals(null, sw.role); |
| 210 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 211 | } |
| 212 | |
| 213 | @Test |
| 214 | public void testDeliverRoleRequestNotSupportedNonePending() { |
| 215 | // nothing pending |
| 216 | sw.role = Role.SLAVE; |
| 217 | expect(sw.channel.close()).andReturn(null); |
| 218 | replay(sw.channel); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame] | 219 | sw.deliverRoleRequestNotSupportedEx(1); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 220 | verify(sw.channel); |
| 221 | assertEquals(null, sw.role); |
| 222 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 223 | } |
| 224 | |
| 225 | @Test |
| 226 | public void testDeliverRoleRequestNotSupportedWrongXid() { |
| 227 | // wrong xid received |
| 228 | PendingRoleRequestEntry pending = new PendingRoleRequestEntry( |
| 229 | (int)System.currentTimeMillis(), // arbitrary xid |
| 230 | Role.MASTER, |
| 231 | System.nanoTime() // arbitrary cookie |
| 232 | ); |
| 233 | sw.role = Role.SLAVE; |
| 234 | sw.pendingRoleRequests.add(pending); |
| 235 | expect(sw.channel.close()).andReturn(null); |
| 236 | replay(sw.channel); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame] | 237 | sw.deliverRoleRequestNotSupportedEx(pending.xid+1); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 238 | verify(sw.channel); |
| 239 | assertEquals(null, sw.role); |
| 240 | assertEquals(0, sw.pendingRoleRequests.size()); |
| 241 | } |
| 242 | } |