*/
package org.opendaylight.protocol.bgp.parser;
-import com.google.common.collect.Maps;
-import java.util.Map;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Objects;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.common.Uint8;
/**
- * Possible errors from implemented RFCs and drafts. Each error consists of error code and error subcode (code/subcode
- * in comments).
+ * Possible errors from implemented RFCs and drafts. Each error consists of error code and error subcode
+ * (code/subcode in comments).
*
* @see <a href="http://tools.ietf.org/html/rfc4271#section-4.5">BGP Notification Message</a>
*/
public enum BGPError {
/**
+ * Unspecific header error. 1/0, <a href="https://www.rfc-editor.org/errata_search.php?eid=4493">Errata 4493</a>.
+ */
+ UNSPECIFIC_HEADER_ERROR(1, 0),
+ /**
* Connection Not Synchronized. 1/1
*/
- CONNECTION_NOT_SYNC((short) 1, (short) 1),
+ CONNECTION_NOT_SYNC(1, 1),
/**
* Bad Message Length. 1/2
*/
- BAD_MSG_LENGTH((short) 1, (short) 2),
+ BAD_MSG_LENGTH(1, 2),
/**
* Bad Message Type. 1/3
*/
- BAD_MSG_TYPE((short) 1, (short) 3),
+ BAD_MSG_TYPE(1, 3),
/**
- * Unspecific Open Message error.
+ * Unspecific Open Message error, <a href="https://www.rfc-editor.org/errata_search.php?eid=4493">Errata 4493</a>.
*/
- UNSPECIFIC_OPEN_ERROR((short) 2, (short) 0),
+ UNSPECIFIC_OPEN_ERROR(2, 0),
/**
* Unsupported Version Number. 2/1
*/
- VERSION_NOT_SUPPORTED((short) 2, (short) 1),
+ VERSION_NOT_SUPPORTED(2, 1),
/**
* Bad Peer AS. 2/2
*/
- BAD_PEER_AS((short) 2, (short) 2),
+ BAD_PEER_AS(2, 2),
/**
* Bad BGP Identifier. 2/3
*/
- BAD_BGP_ID((short) 2, (short) 3),
+ BAD_BGP_ID(2, 3),
/**
* Unsupported Optional Parameter. 2/4
*/
- OPT_PARAM_NOT_SUPPORTED((short) 2, (short) 4),
+ OPT_PARAM_NOT_SUPPORTED(2, 4),
/**
* Unacceptable Hold Time. 2/6
*/
- HOLD_TIME_NOT_ACC((short) 2, (short) 6),
+ HOLD_TIME_NOT_ACC(2, 6),
+ /**
+ * Unspecific UPDATE error. 3/0, <a href="https://www.rfc-editor.org/errata_search.php?eid=4493">Errata 4493</a>.
+ */
+ UNSPECIFIC_UPDATE_ERROR(3, 0),
/**
* Malformed Attribute List. 3/1
*/
- MALFORMED_ATTR_LIST((short) 3, (short) 1),
+ MALFORMED_ATTR_LIST(3, 1),
/**
* Unrecognized Well-known Attribute. 3/2
*/
- WELL_KNOWN_ATTR_NOT_RECOGNIZED((short) 3, (short) 2),
+ WELL_KNOWN_ATTR_NOT_RECOGNIZED(3, 2),
/**
* Missing Well-known Attribute. 3/3
*/
- WELL_KNOWN_ATTR_MISSING((short) 3, (short) 3),
+ WELL_KNOWN_ATTR_MISSING(3, 3),
/**
* Attribute Flags Error. 3/4
*/
- ATTR_FLAGS_MISSING((short) 3, (short) 4),
+ ATTR_FLAGS_MISSING(3, 4),
/**
* Attribute Length Error. 3/5
*/
- ATTR_LENGTH_ERROR((short) 3, (short) 5),
+ ATTR_LENGTH_ERROR(3, 5),
/**
* Invalid ORIGIN Attribute. 3/6
*/
- ORIGIN_ATTR_NOT_VALID((short) 3, (short) 6),
+ ORIGIN_ATTR_NOT_VALID(3, 6),
/**
* Invalid NEXT_HOP Attribute. 3/8
*/
- NEXT_HOP_NOT_VALID((short) 3, (short) 8),
+ NEXT_HOP_NOT_VALID(3, 8),
/**
* Optional Attribute Error. 3/9
*/
- OPT_ATTR_ERROR((short) 3, (short) 9),
+ OPT_ATTR_ERROR(3, 9),
/**
* Invalid Network Field. 3/10
*/
- NETWORK_NOT_VALID((short) 3, (short) 10),
+ NETWORK_NOT_VALID(3, 10),
/**
* Malformed AS_PATH. 3/11
*/
- AS_PATH_MALFORMED((short) 3, (short) 11),
+ AS_PATH_MALFORMED(3, 11),
/**
* Hold Timer Expired. 4/0
*/
- HOLD_TIMER_EXPIRED((short) 4, (short) 0),
+ HOLD_TIMER_EXPIRED(4, 0),
/**
* Finite State Machine Error. 5/0
*/
- FSM_ERROR((short) 5, (short) 0),
+ FSM_ERROR(5, 0),
/**
* Cease. 6/0
*/
- CEASE((short) 6, (short) 0),
+ CEASE(6, 0),
/**
* Maximum Number of Prefixes Reached. 6/1
*/
- MAX_NUMBER_OF_PREFIXES_REACHED((short) 6, (short) 1),
+ MAX_NUMBER_OF_PREFIXES_REACHED(6, 1),
/**
* Administrative Shutdown. 6/2
*/
- ADMINISTRATIVE_SHUTDOWN((short) 6, (short) 2),
+ ADMINISTRATIVE_SHUTDOWN(6, 2),
/**
* Peer De-configured. 6/3
*/
- PEER_DECONFIGURED((short) 6, (short) 3),
+ PEER_DECONFIGURED(6, 3),
/**
* Administrative Reset. 6/4
*/
- ADMINISTRATIVE_RESTART((short) 6, (short) 4),
+ ADMINISTRATIVE_RESTART(6, 4),
/**
* Connection Rejected. 6/5
*/
- CONNECTION_REJECTED((short) 6, (short) 5),
+ CONNECTION_REJECTED(6, 5),
/**
* Other Configuration Change. 6/6
*/
- OTHER_CONFIGURATION_CHANGE((short) 6, (short) 6),
+ OTHER_CONFIGURATION_CHANGE(6, 6),
/**
* Connection Collision Resolution. 6/7
*/
- CONNECTION_COLLISION_RESOLUTION((short) 6, (short) 7),
+ CONNECTION_COLLISION_RESOLUTION(6, 7),
/**
* Out of Resources. 6/8
*/
- OUT_OF_RESOURCES((short) 6, (short) 8),
+ OUT_OF_RESOURCES(6, 8),
/**
- * Unsupported Capability 2/7
+ * Unsupported Capability. 2/7
*/
- UNSUPPORTED_CAPABILITY((short) 2, (short) 7);
+ UNSUPPORTED_CAPABILITY(2, 7);
- private static final Map<BGPErrorIdentifier, BGPError> VALUE_MAP;
+ public static final String MANDATORY_ATTR_MISSING_MSG = "Well known mandatory attribute missing: ";
- static {
- VALUE_MAP = Maps.newHashMap();
- for (final BGPError enumItem : BGPError.values()) {
- VALUE_MAP.put(enumItem.getErrorIdentifier(), enumItem);
- }
- }
+ private static final ImmutableMap<BGPErrorIdentifier, BGPError> VALUE_MAP = Maps.uniqueIndex(
+ Arrays.asList(values()), BGPError::getErrorIdentifier);
private final BGPErrorIdentifier errorId;
- BGPError(final short code, final short subcode) {
- this.errorId = new BGPErrorIdentifier(code, subcode);
+ BGPError(final int code, final int subcode) {
+ this.errorId = new BGPErrorIdentifier(Uint8.valueOf(code), Uint8.valueOf(subcode));
+ }
+
+ public static BGPError forValue(final Uint8 code, final Uint8 subcode) {
+ final BGPError e = VALUE_MAP.get(new BGPErrorIdentifier(code, subcode));
+ checkArgument(e != null, "BGP Error code %s and subcode %s not recognized.", code, subcode);
+ return e;
}
- public short getCode() {
- return this.errorId.getCode();
+ public @NonNull Uint8 getCode() {
+ return this.errorId.code;
}
- public short getSubcode() {
- return this.errorId.getSubCode();
+ public @NonNull Uint8 getSubcode() {
+ return this.errorId.subcode;
}
private BGPErrorIdentifier getErrorIdentifier() {
}
/**
- * Caret for combination of Error-type and Error-value
+ * Caret for combination of Error-type and Error-value.
*/
- static class BGPErrorIdentifier {
- private final short code;
- private final short subcode;
+ private static final class BGPErrorIdentifier implements Serializable {
+ private static final long serialVersionUID = 5722575354944165734L;
- BGPErrorIdentifier(final short code, final short subcode) {
- this.code = code;
- this.subcode = subcode;
- }
+ final @NonNull Uint8 code;
+ final @NonNull Uint8 subcode;
- public short getCode() {
- return this.code;
- }
-
- public short getSubCode() {
- return this.subcode;
+ BGPErrorIdentifier(final Uint8 code, final Uint8 subcode) {
+ this.code = requireNonNull(code);
+ this.subcode = requireNonNull(subcode);
}
@Override
public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + this.code;
- result = prime * result + this.subcode;
- return result;
+ return Objects.hash(code, subcode);
}
@Override
if (this == obj) {
return true;
}
- if (obj == null) {
- return false;
- }
- if (this.getClass() != obj.getClass()) {
+ if (!(obj instanceof BGPErrorIdentifier)) {
return false;
}
final BGPErrorIdentifier other = (BGPErrorIdentifier) obj;
- if (this.code != other.code) {
- return false;
- }
- if (this.subcode != other.subcode) {
- return false;
- }
- return true;
+ return code.equals(other.code) && subcode.equals(other.subcode);
}
@Override
public String toString() {
- return "type " + this.code + " value " + this.subcode;
- }
- }
-
- public static BGPError forValue(final int code, final int subcode) {
- final BGPError e = VALUE_MAP.get(new BGPErrorIdentifier((short) code, (short) subcode));
- if (e != null) {
- return e;
+ return "type " + code + " value " + subcode;
}
- throw new IllegalArgumentException("BGP Error code " + code + " and subcode " + subcode + " not recognized.");
}
}
Code Review / bgpcep.git / blobdiff