diff options
Diffstat (limited to 'framework/src/onos/apps/routing/src/test/java/org/onosproject/routing/bgp/TestBgpPeerFrameDecoder.java')
| -rw-r--r-- | framework/src/onos/apps/routing/src/test/java/org/onosproject/routing/bgp/TestBgpPeerFrameDecoder.java | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/framework/src/onos/apps/routing/src/test/java/org/onosproject/routing/bgp/TestBgpPeerFrameDecoder.java b/framework/src/onos/apps/routing/src/test/java/org/onosproject/routing/bgp/TestBgpPeerFrameDecoder.java deleted file mode 100644 index b4ff40d2..00000000 --- a/framework/src/onos/apps/routing/src/test/java/org/onosproject/routing/bgp/TestBgpPeerFrameDecoder.java +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Copyright 2014-2015 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.routing.bgp; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.channel.Channel; -import org.jboss.netty.channel.ChannelHandlerContext; -import org.jboss.netty.handler.codec.frame.FrameDecoder; -import org.onlab.packet.Ip4Address; - -import java.util.concurrent.CountDownLatch; - -/** - * Class for handling the decoding of the BGP messages at the remote - * BGP peer session. - */ -class TestBgpPeerFrameDecoder extends FrameDecoder { - final BgpSessionInfo remoteInfo = new BgpSessionInfo(); - - final CountDownLatch receivedOpenMessageLatch = new CountDownLatch(1); - final CountDownLatch receivedKeepaliveMessageLatch = new CountDownLatch(1); - - @Override - protected Object decode(ChannelHandlerContext ctx, - Channel channel, - ChannelBuffer buf) throws Exception { - // Test for minimum length of the BGP message - if (buf.readableBytes() < BgpConstants.BGP_HEADER_LENGTH) { - // No enough data received - return null; - } - - // - // Mark the current buffer position in case we haven't received - // the whole message. - // - buf.markReaderIndex(); - - // - // Read and check the BGP message Marker field: it must be all ones - // - byte[] marker = new byte[BgpConstants.BGP_HEADER_MARKER_LENGTH]; - buf.readBytes(marker); - for (int i = 0; i < marker.length; i++) { - if (marker[i] != (byte) 0xff) { - // ERROR: Connection Not Synchronized. Close the channel. - ctx.getChannel().close(); - return null; - } - } - - // - // Read and check the BGP message Length field - // - int length = buf.readUnsignedShort(); - if ((length < BgpConstants.BGP_HEADER_LENGTH) || - (length > BgpConstants.BGP_MESSAGE_MAX_LENGTH)) { - // ERROR: Bad Message Length. Close the channel. - ctx.getChannel().close(); - return null; - } - - // - // Test whether the rest of the message is received: - // So far we have read the Marker (16 octets) and the - // Length (2 octets) fields. - // - int remainingMessageLen = - length - BgpConstants.BGP_HEADER_MARKER_LENGTH - 2; - if (buf.readableBytes() < remainingMessageLen) { - // No enough data received - buf.resetReaderIndex(); - return null; - } - - // - // Read the BGP message Type field, and process based on that type - // - int type = buf.readUnsignedByte(); - remainingMessageLen--; // Adjust after reading the type - ChannelBuffer message = buf.readBytes(remainingMessageLen); - - // - // Process the remaining of the message based on the message type - // - switch (type) { - case BgpConstants.BGP_TYPE_OPEN: - processBgpOpen(ctx, message); - break; - case BgpConstants.BGP_TYPE_UPDATE: - // NOTE: Not used as part of the test, because ONOS does not - // originate UPDATE messages. - break; - case BgpConstants.BGP_TYPE_NOTIFICATION: - // NOTE: Not used as part of the testing (yet) - break; - case BgpConstants.BGP_TYPE_KEEPALIVE: - processBgpKeepalive(ctx, message); - break; - default: - // ERROR: Bad Message Type. Close the channel. - ctx.getChannel().close(); - return null; - } - - return null; - } - - /** - * Processes BGP OPEN message. - * - * @param ctx the Channel Handler Context. - * @param message the message to process. - */ - private void processBgpOpen(ChannelHandlerContext ctx, - ChannelBuffer message) { - int minLength = - BgpConstants.BGP_OPEN_MIN_LENGTH - BgpConstants.BGP_HEADER_LENGTH; - if (message.readableBytes() < minLength) { - // ERROR: Bad Message Length. Close the channel. - ctx.getChannel().close(); - return; - } - - // - // Parse the OPEN message - // - remoteInfo.setBgpVersion(message.readUnsignedByte()); - remoteInfo.setAsNumber(message.readUnsignedShort()); - remoteInfo.setHoldtime(message.readUnsignedShort()); - remoteInfo.setBgpId(Ip4Address.valueOf((int) message.readUnsignedInt())); - // Optional Parameters - int optParamLen = message.readUnsignedByte(); - if (message.readableBytes() < optParamLen) { - // ERROR: Bad Message Length. Close the channel. - ctx.getChannel().close(); - return; - } - message.readBytes(optParamLen); // NOTE: data ignored - - // BGP OPEN message successfully received - receivedOpenMessageLatch.countDown(); - } - - /** - * Processes BGP KEEPALIVE message. - * - * @param ctx the Channel Handler Context. - * @param message the message to process. - */ - private void processBgpKeepalive(ChannelHandlerContext ctx, - ChannelBuffer message) { - if (message.readableBytes() + BgpConstants.BGP_HEADER_LENGTH != - BgpConstants.BGP_KEEPALIVE_EXPECTED_LENGTH) { - // ERROR: Bad Message Length. Close the channel. - ctx.getChannel().close(); - return; - } - // BGP KEEPALIVE message successfully received - receivedKeepaliveMessageLatch.countDown(); - } -} |