Thejaswi N K | 6a4cd00 | 2015-09-21 17:19:55 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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 | package org.onosproject.bgp.controller; |
| 17 | |
| 18 | import java.util.TreeMap; |
| 19 | |
| 20 | /** |
| 21 | * Abstraction of an BGP configuration. Manages the BGP configuration from CLI to the BGP controller. |
| 22 | */ |
| 23 | public interface BGPCfg { |
| 24 | |
| 25 | enum State { |
| 26 | /** |
| 27 | * Signifies that its just created. |
| 28 | */ |
| 29 | INIT, |
| 30 | |
| 31 | /** |
| 32 | * Signifies that only IP Address is configured. |
| 33 | */ |
| 34 | IP_CONFIGURED, |
| 35 | |
| 36 | /** |
| 37 | * Signifies that only Autonomous System is configured. |
| 38 | */ |
| 39 | AS_CONFIGURED, |
| 40 | |
| 41 | /** |
| 42 | * Signifies that both IP and Autonomous System is configured. |
| 43 | */ |
| 44 | IP_AS_CONFIGURED |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Returns the status of the configuration based on this state certain operations like connection is handled. |
| 49 | * |
| 50 | * @return |
| 51 | * State of the configuration |
| 52 | */ |
| 53 | State getState(); |
| 54 | |
| 55 | /** |
| 56 | * To set the current state of the configuration. |
| 57 | * |
| 58 | * @param state |
| 59 | * Configuration State enum |
| 60 | */ |
| 61 | void setState(State state); |
| 62 | |
| 63 | /** |
| 64 | * Get the status of the link state support for this BGP speaker. |
| 65 | * |
| 66 | * @return |
| 67 | * true if the link state is supported else false |
| 68 | */ |
| 69 | boolean getLsCapability(); |
| 70 | |
| 71 | /** |
| 72 | * Set the link state support to this BGP speaker. |
| 73 | * |
| 74 | * @param lscapability |
| 75 | * true value if link state is supported else false |
| 76 | */ |
| 77 | void setLsCapability(boolean lscapability); |
| 78 | |
| 79 | /** |
| 80 | * Get the status of the 32 bit AS support for this BGP speaker. |
| 81 | * |
| 82 | * @return |
| 83 | * true if the 32 bit AS number is supported else false |
| 84 | */ |
| 85 | boolean getLargeASCapability(); |
| 86 | |
| 87 | /** |
| 88 | * Set the 32 bit AS support capability to this BGP speaker. |
| 89 | * |
| 90 | * @param largeAs |
| 91 | * true value if the 32 bit AS is supported else false |
| 92 | */ |
| 93 | void setLargeASCapability(boolean largeAs); |
| 94 | |
| 95 | /** |
| 96 | * Set the AS number to which this BGP speaker belongs. |
| 97 | * |
| 98 | * @param localAs |
| 99 | * 16 or 32 bit AS number, length is dependent on the capability |
| 100 | */ |
| 101 | void setAsNumber(int localAs); |
| 102 | |
| 103 | /** |
| 104 | * Get the AS number to which this BGP speaker belongs. |
| 105 | * |
| 106 | * @return |
| 107 | * 16 or 32 bit AS number, length is dependent on the capability |
| 108 | */ |
| 109 | int getAsNumber(); |
| 110 | |
| 111 | /** |
| 112 | * Get the connection retry count number. |
| 113 | * |
| 114 | * @return |
| 115 | * connection retry count if there is a connection error |
| 116 | */ |
| 117 | int getMaxConnRetryCount(); |
| 118 | |
| 119 | /** |
| 120 | * Set the connection retry count. |
| 121 | * |
| 122 | * @param retryCount |
| 123 | * number of times to try to connect if there is any error |
| 124 | */ |
| 125 | void setMaxConnRetryCout(int retryCount); |
| 126 | |
| 127 | /** |
| 128 | * Get the connection retry time in seconds. |
| 129 | * |
| 130 | * @return |
| 131 | * connection retry time in seconds |
| 132 | */ |
| 133 | int getMaxConnRetryTime(); |
| 134 | |
| 135 | /** |
| 136 | * Set the connection retry time in seconds. |
| 137 | * |
| 138 | * @param retryTime |
| 139 | * connection retry times in seconds |
| 140 | */ |
| 141 | void setMaxConnRetryTime(int retryTime); |
| 142 | |
| 143 | /** |
| 144 | * Set the keep alive timer for the connection. |
| 145 | * |
| 146 | * @param holdTime |
| 147 | * connection hold timer in seconds |
| 148 | */ |
| 149 | void setHoldTime(short holdTime); |
| 150 | |
| 151 | /** |
| 152 | * Returns the connection hold timer in seconds. |
| 153 | * |
| 154 | * @return |
| 155 | * connection hold timer in seconds |
| 156 | */ |
| 157 | short getHoldTime(); |
| 158 | |
| 159 | /** |
| 160 | * Returns the maximum number of session supported. |
| 161 | * |
| 162 | * @return |
| 163 | * maximum number of session supported |
| 164 | */ |
| 165 | int getMaxSession(); |
| 166 | |
| 167 | /** |
| 168 | * Set the maximum number of sessions to support. |
| 169 | * |
| 170 | * @param maxsession |
| 171 | * maximum number of session |
| 172 | */ |
| 173 | void setMaxSession(int maxsession); |
| 174 | |
| 175 | /** |
| 176 | * Returns the Router ID of this BGP speaker. |
| 177 | * |
| 178 | * @return |
| 179 | * IP address in string format |
| 180 | */ |
| 181 | String getRouterId(); |
| 182 | |
| 183 | /** |
| 184 | * Set the Router ID of this BGP speaker. |
| 185 | * |
| 186 | * @param routerid |
| 187 | * IP address in string format |
| 188 | */ |
| 189 | void setRouterId(String routerid); |
| 190 | |
| 191 | /** |
| 192 | * Add the BGP peer IP address and the AS number to which it belongs. |
| 193 | * |
| 194 | * @param routerid |
| 195 | * IP address in string format |
| 196 | * @param remoteAs |
| 197 | * AS number to which it belongs |
| 198 | * @return |
| 199 | * true if added successfully else false |
| 200 | */ |
| 201 | boolean addPeer(String routerid, int remoteAs); |
| 202 | |
| 203 | /** |
| 204 | * Add the BGP peer IP address and the keep alive time. |
| 205 | * |
| 206 | * @param routerid |
| 207 | * IP address in string format |
| 208 | * @param holdTime |
| 209 | * keep alive time for the connection |
| 210 | * @return |
| 211 | * true if added successfully else false |
| 212 | */ |
| 213 | boolean addPeer(String routerid, short holdTime); |
| 214 | |
| 215 | /** |
| 216 | * Add the BGP peer IP address, the AS number to which it belongs and keep alive time. |
| 217 | * |
| 218 | * @param routerid |
| 219 | * IP address in string format |
| 220 | * @param remoteAs |
| 221 | * AS number to which it belongs |
| 222 | * @param holdTime |
| 223 | * keep alive time for the connection |
| 224 | * @return |
| 225 | * true if added successfully else false |
| 226 | */ |
| 227 | boolean addPeer(String routerid, int remoteAs, short holdTime); |
| 228 | |
| 229 | /** |
| 230 | * Remove the BGP peer with this IP address. |
| 231 | * |
| 232 | * @param routerid |
| 233 | * router IP address |
| 234 | * @return |
| 235 | * true if removed successfully else false |
| 236 | */ |
| 237 | boolean removePeer(String routerid); |
| 238 | |
| 239 | /** |
| 240 | * Connect to BGP peer with this IP address. |
| 241 | * |
| 242 | * @param routerid |
| 243 | * router IP address |
| 244 | * @return |
| 245 | * true of the configuration is found and able to connect else false |
| 246 | */ |
| 247 | boolean connectPeer(String routerid); |
| 248 | |
| 249 | /** |
| 250 | * Disconnect this BGP peer with this IP address. |
| 251 | * |
| 252 | * @param routerid |
| 253 | * router IP address in string format |
| 254 | * @return |
| 255 | * true if the configuration is found and able to disconnect else false |
| 256 | */ |
| 257 | boolean disconnectPeer(String routerid); |
| 258 | |
| 259 | /** |
| 260 | * Returns the peer tree information. |
| 261 | * |
| 262 | * @return |
| 263 | * return the tree map with IP as key and BGPPeerCfg as object |
| 264 | */ |
| 265 | TreeMap<String, BGPPeerCfg> displayPeers(); |
| 266 | |
| 267 | /** |
| 268 | * Return the BGP Peer information with this matching IP. |
| 269 | * |
| 270 | * @param routerid |
| 271 | * router IP address in string format |
| 272 | * @return |
| 273 | * BGPPeerCfg object |
| 274 | */ |
| 275 | BGPPeerCfg displayPeers(String routerid); |
| 276 | |
| 277 | /** |
| 278 | * Check if this BGP peer is configured. |
| 279 | * |
| 280 | * @param routerid |
| 281 | * router IP address in string format |
| 282 | * @return |
| 283 | * true if configured exists else false |
| 284 | */ |
| 285 | boolean isPeerConfigured(String routerid); |
| 286 | |
| 287 | /** |
| 288 | * Check if this BGP speaker is having connection with the peer. |
| 289 | * |
| 290 | * @param routerid |
| 291 | * router IP address in string format |
| 292 | * @return |
| 293 | * true if the connection exists else false |
| 294 | */ |
| 295 | boolean isPeerConnected(String routerid); |
| 296 | |
| 297 | /** |
| 298 | * Return the peer tree map. |
| 299 | * |
| 300 | * @return |
| 301 | * return the tree map with IP as key and BGPPeerCfg as object |
| 302 | */ |
| 303 | TreeMap<String, BGPPeerCfg> getPeerTree(); |
| 304 | |
| 305 | /** |
| 306 | * Set the current connection state information. |
| 307 | * |
| 308 | * @param routerid |
| 309 | * router IP address in string format |
| 310 | * @param state |
| 311 | * state information |
| 312 | */ |
| 313 | void setPeerConnState(String routerid, BGPPeerCfg.State state); |
| 314 | |
| 315 | /** |
| 316 | * Check if the peer can be connected or not. |
| 317 | * |
| 318 | * @param routerid |
| 319 | * router IP address in string format |
| 320 | * @return |
| 321 | * true if the peer can be connected else false |
| 322 | */ |
| 323 | boolean isPeerConnectable(String routerid); |
| 324 | |
| 325 | /** |
| 326 | * Get the current peer connection state information. |
| 327 | * |
| 328 | * @param routerid |
| 329 | * router IP address in string format |
| 330 | * @return |
| 331 | * state information |
| 332 | */ |
| 333 | BGPPeerCfg.State getPeerConnState(String routerid); |
| 334 | } |