| package org.onlab.onos.sdnip.bgp; |
| |
| /** |
| * BGP related constants. |
| */ |
| public final class BgpConstants { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private BgpConstants() { |
| } |
| |
| /** BGP port number (RFC 4271). */ |
| public static final int BGP_PORT = 179; |
| |
| /** BGP version. */ |
| public static final int BGP_VERSION = 4; |
| |
| /** BGP OPEN message type. */ |
| public static final int BGP_TYPE_OPEN = 1; |
| |
| /** BGP UPDATE message type. */ |
| public static final int BGP_TYPE_UPDATE = 2; |
| |
| /** BGP NOTIFICATION message type. */ |
| public static final int BGP_TYPE_NOTIFICATION = 3; |
| |
| /** BGP KEEPALIVE message type. */ |
| public static final int BGP_TYPE_KEEPALIVE = 4; |
| |
| /** BGP Header Marker field length. */ |
| public static final int BGP_HEADER_MARKER_LENGTH = 16; |
| |
| /** BGP Header length. */ |
| public static final int BGP_HEADER_LENGTH = 19; |
| |
| /** BGP message maximum length. */ |
| public static final int BGP_MESSAGE_MAX_LENGTH = 4096; |
| |
| /** BGP OPEN message minimum length (BGP Header included). */ |
| public static final int BGP_OPEN_MIN_LENGTH = 29; |
| |
| /** BGP UPDATE message minimum length (BGP Header included). */ |
| public static final int BGP_UPDATE_MIN_LENGTH = 23; |
| |
| /** BGP NOTIFICATION message minimum length (BGP Header included). */ |
| public static final int BGP_NOTIFICATION_MIN_LENGTH = 21; |
| |
| /** BGP KEEPALIVE message expected length (BGP Header included). */ |
| public static final int BGP_KEEPALIVE_EXPECTED_LENGTH = 19; |
| |
| /** BGP KEEPALIVE messages transmitted per Hold interval. */ |
| public static final int BGP_KEEPALIVE_PER_HOLD_INTERVAL = 3; |
| |
| /** BGP KEEPALIVE messages minimum Holdtime (in seconds). */ |
| public static final int BGP_KEEPALIVE_MIN_HOLDTIME = 3; |
| |
| /** BGP KEEPALIVE messages minimum transmission interval (in seconds). */ |
| public static final int BGP_KEEPALIVE_MIN_INTERVAL = 1; |
| |
| /** BGP AS 0 (zero) value. See draft-ietf-idr-as0-06.txt Internet Draft. */ |
| public static final long BGP_AS_0 = 0; |
| |
| /** |
| * BGP UPDATE related constants. |
| */ |
| public static final class Update { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private Update() { |
| } |
| |
| /** |
| * BGP UPDATE: ORIGIN related constants. |
| */ |
| public static final class Origin { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private Origin() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code ORIGIN. */ |
| public static final int TYPE = 1; |
| |
| /** BGP UPDATE Attributes Type Code ORIGIN length. */ |
| public static final int LENGTH = 1; |
| |
| /** BGP UPDATE ORIGIN: IGP. */ |
| public static final int IGP = 0; |
| |
| /** BGP UPDATE ORIGIN: EGP. */ |
| public static final int EGP = 1; |
| |
| /** BGP UPDATE ORIGIN: INCOMPLETE. */ |
| public static final int INCOMPLETE = 2; |
| } |
| |
| /** |
| * BGP UPDATE: AS_PATH related constants. |
| */ |
| public static final class AsPath { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private AsPath() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code AS_PATH. */ |
| public static final int TYPE = 2; |
| |
| /** BGP UPDATE AS_PATH Type: AS_SET. */ |
| public static final int AS_SET = 1; |
| |
| /** BGP UPDATE AS_PATH Type: AS_SEQUENCE. */ |
| public static final int AS_SEQUENCE = 2; |
| } |
| |
| /** |
| * BGP UPDATE: NEXT_HOP related constants. |
| */ |
| public static final class NextHop { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private NextHop() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code NEXT_HOP. */ |
| public static final int TYPE = 3; |
| |
| /** BGP UPDATE Attributes Type Code NEXT_HOP length. */ |
| public static final int LENGTH = 4; |
| } |
| |
| /** |
| * BGP UPDATE: MULTI_EXIT_DISC related constants. |
| */ |
| public static final class MultiExitDisc { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private MultiExitDisc() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code MULTI_EXIT_DISC. */ |
| public static final int TYPE = 4; |
| |
| /** BGP UPDATE Attributes Type Code MULTI_EXIT_DISC length. */ |
| public static final int LENGTH = 4; |
| |
| /** BGP UPDATE Attributes lowest MULTI_EXIT_DISC value. */ |
| public static final int LOWEST_MULTI_EXIT_DISC = 0; |
| } |
| |
| /** |
| * BGP UPDATE: LOCAL_PREF related constants. |
| */ |
| public static final class LocalPref { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private LocalPref() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code LOCAL_PREF. */ |
| public static final int TYPE = 5; |
| |
| /** BGP UPDATE Attributes Type Code LOCAL_PREF length. */ |
| public static final int LENGTH = 4; |
| } |
| |
| /** |
| * BGP UPDATE: ATOMIC_AGGREGATE related constants. |
| */ |
| public static final class AtomicAggregate { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private AtomicAggregate() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code ATOMIC_AGGREGATE. */ |
| public static final int TYPE = 6; |
| |
| /** BGP UPDATE Attributes Type Code ATOMIC_AGGREGATE length. */ |
| public static final int LENGTH = 0; |
| } |
| |
| /** |
| * BGP UPDATE: AGGREGATOR related constants. |
| */ |
| public static final class Aggregator { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private Aggregator() { |
| } |
| |
| /** BGP UPDATE Attributes Type Code AGGREGATOR. */ |
| public static final int TYPE = 7; |
| |
| /** BGP UPDATE Attributes Type Code AGGREGATOR length. */ |
| public static final int LENGTH = 6; |
| } |
| } |
| |
| /** |
| * BGP NOTIFICATION related constants. |
| */ |
| public static final class Notifications { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private Notifications() { |
| } |
| |
| /** |
| * BGP NOTIFICATION: Message Header Error constants. |
| */ |
| public static final class MessageHeaderError { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private MessageHeaderError() { |
| } |
| |
| /** Message Header Error code. */ |
| public static final int ERROR_CODE = 1; |
| |
| /** Message Header Error subcode: Connection Not Synchronized. */ |
| public static final int CONNECTION_NOT_SYNCHRONIZED = 1; |
| |
| /** Message Header Error subcode: Bad Message Length. */ |
| public static final int BAD_MESSAGE_LENGTH = 2; |
| |
| /** Message Header Error subcode: Bad Message Type. */ |
| public static final int BAD_MESSAGE_TYPE = 3; |
| } |
| |
| /** |
| * BGP NOTIFICATION: OPEN Message Error constants. |
| */ |
| public static final class OpenMessageError { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private OpenMessageError() { |
| } |
| |
| /** OPEN Message Error code. */ |
| public static final int ERROR_CODE = 2; |
| |
| /** OPEN Message Error subcode: Unsupported Version Number. */ |
| public static final int UNSUPPORTED_VERSION_NUMBER = 1; |
| |
| /** OPEN Message Error subcode: Bad PEER AS. */ |
| public static final int BAD_PEER_AS = 2; |
| |
| /** OPEN Message Error subcode: Unacceptable Hold Time. */ |
| public static final int UNACCEPTABLE_HOLD_TIME = 6; |
| } |
| |
| /** |
| * BGP NOTIFICATION: UPDATE Message Error constants. |
| */ |
| public static final class UpdateMessageError { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private UpdateMessageError() { |
| } |
| |
| /** UPDATE Message Error code. */ |
| public static final int ERROR_CODE = 3; |
| |
| /** UPDATE Message Error subcode: Malformed Attribute List. */ |
| public static final int MALFORMED_ATTRIBUTE_LIST = 1; |
| |
| /** UPDATE Message Error subcode: Unrecognized Well-known Attribute. */ |
| public static final int UNRECOGNIZED_WELL_KNOWN_ATTRIBUTE = 2; |
| |
| /** UPDATE Message Error subcode: Missing Well-known Attribute. */ |
| public static final int MISSING_WELL_KNOWN_ATTRIBUTE = 3; |
| |
| /** UPDATE Message Error subcode: Attribute Flags Error. */ |
| public static final int ATTRIBUTE_FLAGS_ERROR = 4; |
| |
| /** UPDATE Message Error subcode: Attribute Length Error. */ |
| public static final int ATTRIBUTE_LENGTH_ERROR = 5; |
| |
| /** UPDATE Message Error subcode: Invalid ORIGIN Attribute. */ |
| public static final int INVALID_ORIGIN_ATTRIBUTE = 6; |
| |
| /** UPDATE Message Error subcode: Invalid NEXT_HOP Attribute. */ |
| public static final int INVALID_NEXT_HOP_ATTRIBUTE = 8; |
| |
| /** UPDATE Message Error subcode: Optional Attribute Error. Unused. */ |
| public static final int OPTIONAL_ATTRIBUTE_ERROR = 9; |
| |
| /** UPDATE Message Error subcode: Invalid Network Field. */ |
| public static final int INVALID_NETWORK_FIELD = 10; |
| |
| /** UPDATE Message Error subcode: Malformed AS_PATH. */ |
| public static final int MALFORMED_AS_PATH = 11; |
| } |
| |
| /** |
| * BGP NOTIFICATION: Hold Timer Expired constants. |
| */ |
| public static final class HoldTimerExpired { |
| /** |
| * Default constructor. |
| * <p> |
| * The constructor is private to prevent creating an instance of |
| * this utility class. |
| */ |
| private HoldTimerExpired() { |
| } |
| |
| /** Hold Timer Expired code. */ |
| public static final int ERROR_CODE = 4; |
| } |
| |
| /** BGP NOTIFICATION message Error subcode: Unspecific. */ |
| public static final int ERROR_SUBCODE_UNSPECIFIC = 0; |
| } |
| } |