diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpMessageVer4.java')
| -rwxr-xr-x | framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpMessageVer4.java | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpMessageVer4.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpMessageVer4.java deleted file mode 100755 index 1c05dae4..00000000 --- a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpMessageVer4.java +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.onosproject.bgpio.protocol.ver4; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.onosproject.bgpio.exceptions.BgpParseException; -import org.onosproject.bgpio.protocol.BgpFactories; -import org.onosproject.bgpio.protocol.BgpMessage; -import org.onosproject.bgpio.protocol.BgpMessageReader; -import org.onosproject.bgpio.types.BgpErrorType; -import org.onosproject.bgpio.types.BgpHeader; -import org.onosproject.bgpio.util.Validation; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * Provides BGP messages. - */ -public abstract class BgpMessageVer4 { - - protected static final Logger log = LoggerFactory.getLogger(BgpFactories.class); - - static final byte OPEN_MSG_TYPE = 0x1; - static final byte KEEPALIVE_MSG_TYPE = 0x4; - static final byte UPDATE_MSG_TYPE = 0x2; - static final byte NOTIFICATION_MSG_TYPE = 0x3; - static final int MINIMUM_COMMON_HEADER_LENGTH = 19; - static final int HEADER_AND_MSG_LEN = 18; - static final int MAXIMUM_PACKET_LENGTH = 4096; - - public static final BgpMessageVer4.Reader READER = new Reader(); - - /** - * Reader class for reading BGP messages from channel buffer. - * - */ - static class Reader implements BgpMessageReader<BgpMessage> { - @Override - public BgpMessage readFrom(ChannelBuffer cb, BgpHeader bgpHeader) - throws BgpParseException { - - if (cb.readableBytes() < MINIMUM_COMMON_HEADER_LENGTH) { - log.error("Packet should have minimum length."); - Validation.validateLen(BgpErrorType.MESSAGE_HEADER_ERROR, BgpErrorType.BAD_MESSAGE_LENGTH, - cb.readableBytes()); - } - if (cb.readableBytes() > MAXIMUM_PACKET_LENGTH) { - log.error("Packet length should not exceed {}.", MAXIMUM_PACKET_LENGTH); - Validation.validateLen(BgpErrorType.MESSAGE_HEADER_ERROR, BgpErrorType.BAD_MESSAGE_LENGTH, - cb.readableBytes()); - } - try { - // fixed value property version == 4 - byte[] marker = new byte[BgpHeader.MARKER_LENGTH]; - cb.readBytes(marker, 0, BgpHeader.MARKER_LENGTH); - bgpHeader.setMarker(marker); - for (int i = 0; i < BgpHeader.MARKER_LENGTH; i++) { - if (marker[i] != (byte) 0xff) { - throw new BgpParseException(BgpErrorType.MESSAGE_HEADER_ERROR, - BgpErrorType.CONNECTION_NOT_SYNCHRONIZED, null); - } - } - short length = cb.readShort(); - if (length > cb.readableBytes() + HEADER_AND_MSG_LEN) { - Validation.validateLen(BgpErrorType.MESSAGE_HEADER_ERROR, - BgpErrorType.BAD_MESSAGE_LENGTH, length); - } - bgpHeader.setLength(length); - byte type = cb.readByte(); - bgpHeader.setType(type); - log.debug("Reading update message of type " + type); - - int len = length - MINIMUM_COMMON_HEADER_LENGTH; - switch (type) { - case OPEN_MSG_TYPE: - log.debug("OPEN MESSAGE is received"); - return BgpOpenMsgVer4.READER.readFrom(cb.readBytes(len), bgpHeader); - case KEEPALIVE_MSG_TYPE: - log.debug("KEEPALIVE MESSAGE is received"); - return BgpKeepaliveMsgVer4.READER.readFrom(cb.readBytes(len), bgpHeader); - case UPDATE_MSG_TYPE: - log.debug("UPDATE MESSAGE is received"); - return BgpUpdateMsgVer4.READER.readFrom(cb.readBytes(len), bgpHeader); - case NOTIFICATION_MSG_TYPE: - log.debug("NOTIFICATION MESSAGE is received"); - return BgpNotificationMsgVer4.READER.readFrom(cb.readBytes(len), bgpHeader); - default: - Validation.validateType(BgpErrorType.MESSAGE_HEADER_ERROR, BgpErrorType.BAD_MESSAGE_TYPE, type); - return null; - } - } catch (IndexOutOfBoundsException e) { - throw new BgpParseException(BgpErrorType.MESSAGE_HEADER_ERROR, - BgpErrorType.BAD_MESSAGE_LENGTH, null); - } - } - } -}
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