SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
harikrushna-Huawei | a2c7c20 | 2017-04-10 18:22:00 +0530 | [diff] [blame] | 17 | package org.onosproject.pcep.server.impl; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 18 | |
| 19 | import java.net.InetSocketAddress; |
| 20 | import java.net.SocketAddress; |
| 21 | import java.util.Collections; |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 22 | import java.util.HashMap; |
| 23 | import java.util.LinkedList; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 24 | import java.util.List; |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 25 | import java.util.Map; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 26 | import java.util.concurrent.RejectedExecutionException; |
| 27 | |
| 28 | import org.jboss.netty.channel.Channel; |
| 29 | import org.onlab.packet.IpAddress; |
harikrushna-Huawei | a2c7c20 | 2017-04-10 18:22:00 +0530 | [diff] [blame] | 30 | import org.onosproject.pcep.server.ClientCapability; |
| 31 | import org.onosproject.pcep.server.LspKey; |
| 32 | import org.onosproject.pcep.server.PccId; |
| 33 | import org.onosproject.pcep.server.PcepClient; |
| 34 | import org.onosproject.pcep.server.PcepPacketStats; |
| 35 | import org.onosproject.pcep.server.PcepSyncStatus; |
| 36 | import org.onosproject.pcep.server.driver.PcepAgent; |
| 37 | import org.onosproject.pcep.server.driver.PcepClientDriver; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 38 | import org.onosproject.pcepio.protocol.PcepFactories; |
| 39 | import org.onosproject.pcepio.protocol.PcepFactory; |
| 40 | import org.onosproject.pcepio.protocol.PcepMessage; |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 41 | import org.onosproject.pcepio.protocol.PcepStateReport; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 42 | import org.onosproject.pcepio.protocol.PcepVersion; |
| 43 | import org.slf4j.Logger; |
| 44 | import org.slf4j.LoggerFactory; |
| 45 | |
| 46 | import com.google.common.base.MoreObjects; |
| 47 | |
| 48 | /** |
| 49 | * An abstract representation of an OpenFlow switch. Can be extended by others |
| 50 | * to serve as a base for their vendor specific representation of a switch. |
| 51 | */ |
| 52 | public class PcepClientImpl implements PcepClientDriver { |
| 53 | |
| 54 | protected final Logger log = LoggerFactory.getLogger(PcepClientImpl.class); |
| 55 | |
| 56 | private static final String SHUTDOWN_MSG = "Worker has already been shutdown"; |
| 57 | |
| 58 | private Channel channel; |
| 59 | protected String channelId; |
| 60 | |
| 61 | private boolean connected; |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 62 | protected boolean startDriverHandshakeCalled; |
| 63 | protected boolean isHandShakeComplete; |
| 64 | private PcepSyncStatus lspDbSyncStatus; |
| 65 | private PcepSyncStatus labelDbSyncStatus; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 66 | private PccId pccId; |
| 67 | private PcepAgent agent; |
| 68 | |
Priyanka B | d2b2888 | 2016-04-04 16:57:04 +0530 | [diff] [blame] | 69 | private ClientCapability capability; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 70 | private PcepVersion pcepVersion; |
| 71 | private byte keepAliveTime; |
| 72 | private byte deadTime; |
| 73 | private byte sessionId; |
| 74 | private PcepPacketStatsImpl pktStats; |
Priyanka B | 4c3cef0 | 2016-06-14 20:27:53 +0530 | [diff] [blame] | 75 | private Map<LspKey, Boolean> lspDelegationInfo = new HashMap<>(); |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 76 | private Map<PccId, List<PcepStateReport>> syncRptCache = new HashMap<>(); |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 77 | |
| 78 | @Override |
| 79 | public void init(PccId pccId, PcepVersion pcepVersion, PcepPacketStats pktStats) { |
| 80 | this.pccId = pccId; |
| 81 | this.pcepVersion = pcepVersion; |
| 82 | this.pktStats = (PcepPacketStatsImpl) pktStats; |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public final void disconnectClient() { |
| 87 | this.channel.close(); |
| 88 | } |
| 89 | |
| 90 | @Override |
Priyanka B | d2b2888 | 2016-04-04 16:57:04 +0530 | [diff] [blame] | 91 | public void setCapability(ClientCapability capability) { |
| 92 | this.capability = capability; |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public ClientCapability capability() { |
| 97 | return capability; |
| 98 | } |
| 99 | |
| 100 | @Override |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 101 | public final void sendMessage(PcepMessage m) { |
| 102 | log.debug("Sending message to {}", channel.getRemoteAddress()); |
| 103 | try { |
| 104 | channel.write(Collections.singletonList(m)); |
| 105 | this.pktStats.addOutPacket(); |
| 106 | } catch (RejectedExecutionException e) { |
| 107 | log.warn(e.getMessage()); |
| 108 | if (!e.getMessage().contains(SHUTDOWN_MSG)) { |
| 109 | throw e; |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public final void sendMessage(List<PcepMessage> msgs) { |
| 116 | try { |
| 117 | channel.write(msgs); |
| 118 | this.pktStats.addOutPacket(msgs.size()); |
| 119 | } catch (RejectedExecutionException e) { |
| 120 | log.warn(e.getMessage()); |
| 121 | if (!e.getMessage().contains(SHUTDOWN_MSG)) { |
| 122 | throw e; |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public final boolean isConnected() { |
| 129 | return this.connected; |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public final void setConnected(boolean connected) { |
| 134 | this.connected = connected; |
harikrushna-Huawei | a2c7c20 | 2017-04-10 18:22:00 +0530 | [diff] [blame] | 135 | }; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 136 | |
| 137 | @Override |
| 138 | public final void setChannel(Channel channel) { |
| 139 | this.channel = channel; |
| 140 | final SocketAddress address = channel.getRemoteAddress(); |
| 141 | if (address instanceof InetSocketAddress) { |
| 142 | final InetSocketAddress inetAddress = (InetSocketAddress) address; |
| 143 | final IpAddress ipAddress = IpAddress.valueOf(inetAddress.getAddress()); |
| 144 | if (ipAddress.isIp4()) { |
| 145 | channelId = ipAddress.toString() + ':' + inetAddress.getPort(); |
| 146 | } else { |
| 147 | channelId = '[' + ipAddress.toString() + "]:" + inetAddress.getPort(); |
| 148 | } |
| 149 | } |
harikrushna-Huawei | a2c7c20 | 2017-04-10 18:22:00 +0530 | [diff] [blame] | 150 | }; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 151 | |
| 152 | @Override |
| 153 | public String channelId() { |
| 154 | return channelId; |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public final PccId getPccId() { |
| 159 | return this.pccId; |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public final String getStringId() { |
| 164 | return this.pccId.toString(); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public final void setPcVersion(PcepVersion pcepVersion) { |
| 169 | this.pcepVersion = pcepVersion; |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public void setPcKeepAliveTime(byte keepAliveTime) { |
| 174 | this.keepAliveTime = keepAliveTime; |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public void setPcDeadTime(byte deadTime) { |
| 179 | this.deadTime = deadTime; |
| 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public void setPcSessionId(byte sessionId) { |
| 184 | this.sessionId = sessionId; |
| 185 | } |
| 186 | |
| 187 | @Override |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 188 | public void setLspDbSyncStatus(PcepSyncStatus syncStatus) { |
Avantika-Huawei | f849aab | 2016-06-21 22:29:15 +0530 | [diff] [blame] | 189 | log.debug("LSP DB sync status set from {} to {}", this.lspDbSyncStatus, syncStatus); |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 190 | this.lspDbSyncStatus = syncStatus; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | @Override |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 194 | public PcepSyncStatus lspDbSyncStatus() { |
| 195 | return lspDbSyncStatus; |
| 196 | } |
| 197 | |
| 198 | @Override |
| 199 | public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) { |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 200 | |
| 201 | PcepSyncStatus syncOldStatus = labelDbSyncStatus(); |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 202 | this.labelDbSyncStatus = syncStatus; |
Avantika-Huawei | f849aab | 2016-06-21 22:29:15 +0530 | [diff] [blame] | 203 | log.debug("Label DB sync status set from {} to {}", syncOldStatus, syncStatus); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 204 | if ((syncOldStatus == PcepSyncStatus.IN_SYNC) && (syncStatus == PcepSyncStatus.SYNCED)) { |
| 205 | // Perform end of LSP DB sync actions. |
| 206 | this.agent.analyzeSyncMsgList(pccId); |
| 207 | } |
Avantika-Huawei | 7f7376a | 2016-05-11 17:07:50 +0530 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | @Override |
| 211 | public PcepSyncStatus labelDbSyncStatus() { |
| 212 | return labelDbSyncStatus; |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | @Override |
| 216 | public final void handleMessage(PcepMessage m) { |
| 217 | this.pktStats.addInPacket(); |
| 218 | this.agent.processPcepMessage(pccId, m); |
| 219 | } |
| 220 | |
| 221 | @Override |
Priyanka B | 94395bf | 2016-05-21 18:39:46 +0530 | [diff] [blame] | 222 | public void addNode(PcepClient pc) { |
| 223 | this.agent.addNode(pc); |
| 224 | } |
| 225 | |
| 226 | @Override |
| 227 | public void deleteNode(PccId pccId) { |
| 228 | this.agent.deleteNode(pccId); |
| 229 | } |
| 230 | |
| 231 | @Override |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 232 | public final boolean connectClient() { |
| 233 | return this.agent.addConnectedClient(pccId, this); |
| 234 | } |
| 235 | |
| 236 | @Override |
| 237 | public final void removeConnectedClient() { |
| 238 | this.agent.removeConnectedClient(pccId); |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public PcepFactory factory() { |
| 243 | return PcepFactories.getFactory(pcepVersion); |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public boolean isHandshakeComplete() { |
| 248 | return isHandShakeComplete; |
| 249 | } |
| 250 | |
| 251 | @Override |
| 252 | public final void setAgent(PcepAgent ag) { |
| 253 | if (this.agent == null) { |
| 254 | this.agent = ag; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | @Override |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 259 | public void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag) { |
| 260 | lspDelegationInfo.put(lspKey, dFlag); |
| 261 | } |
| 262 | |
| 263 | @Override |
| 264 | public Boolean delegationInfo(LspKey lspKey) { |
| 265 | return lspDelegationInfo.get(lspKey); |
| 266 | } |
| 267 | |
| 268 | @Override |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 269 | public void initializeSyncMsgList(PccId pccId) { |
| 270 | List<PcepStateReport> rptMsgList = new LinkedList<>(); |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 271 | syncRptCache.put(pccId, rptMsgList); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | @Override |
| 275 | public List<PcepStateReport> getSyncMsgList(PccId pccId) { |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 276 | return syncRptCache.get(pccId); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | @Override |
| 280 | public void removeSyncMsgList(PccId pccId) { |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 281 | syncRptCache.remove(pccId); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | @Override |
| 285 | public void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg) { |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 286 | List<PcepStateReport> rptMsgList = syncRptCache.get(pccId); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 287 | rptMsgList.add(rptMsg); |
Avantika-Huawei | fc10dca | 2016-06-10 16:13:55 +0530 | [diff] [blame] | 288 | syncRptCache.put(pccId, rptMsgList); |
Avantika-Huawei | d1e36bd | 2016-05-26 12:47:16 +0530 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | @Override |
SureshBR | 25058b7 | 2015-08-13 13:05:06 +0530 | [diff] [blame] | 292 | public boolean isOptical() { |
| 293 | return false; |
| 294 | } |
| 295 | |
| 296 | @Override |
| 297 | public String toString() { |
| 298 | return MoreObjects.toStringHelper(getClass()) |
| 299 | .add("channel", channelId()) |
| 300 | .add("pccId", getPccId()) |
| 301 | .toString(); |
| 302 | } |
| 303 | } |