diff options
Diffstat (limited to 'framework/src/onos/utils/nio/src/test/java/org/onlab/nio/TestMessageStream.java')
-rw-r--r-- | framework/src/onos/utils/nio/src/test/java/org/onlab/nio/TestMessageStream.java | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/framework/src/onos/utils/nio/src/test/java/org/onlab/nio/TestMessageStream.java b/framework/src/onos/utils/nio/src/test/java/org/onlab/nio/TestMessageStream.java deleted file mode 100644 index fc86beb9..00000000 --- a/framework/src/onos/utils/nio/src/test/java/org/onlab/nio/TestMessageStream.java +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright 2014 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.onlab.nio; - -import java.nio.ByteBuffer; -import java.nio.channels.ByteChannel; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.base.Preconditions.checkState; - -/** - * Fixed-length message transfer buffer. - */ -public class TestMessageStream extends MessageStream<TestMessage> { - - private static final String E_WRONG_LEN = "Illegal message length: "; - private static final long START_TAG = 0xfeedcafedeaddeedL; - private static final long END_TAG = 0xbeadcafedeaddeedL; - private static final int META_LENGTH = 40; - - private final int length; - private boolean isStrict = true; - - public TestMessageStream(int length, ByteChannel ch, IOLoop<TestMessage, ?> loop) { - super(loop, ch, 64 * 1024, 500); - checkArgument(length >= META_LENGTH, "Length must be greater than header length of 40"); - this.length = length; - } - - void setNonStrict() { - isStrict = false; - } - - @Override - protected TestMessage read(ByteBuffer rb) { - if (rb.remaining() < length) { - return null; - } - - long startTag = rb.getLong(); - if (isStrict) { - checkState(startTag == START_TAG, "Incorrect message start"); - } - - long size = rb.getLong(); - long requestorTime = rb.getLong(); - long responderTime = rb.getLong(); - byte[] padding = padding(); - rb.get(padding); - - long endTag = rb.getLong(); - if (isStrict) { - checkState(endTag == END_TAG, "Incorrect message end"); - } - - return new TestMessage((int) size, requestorTime, responderTime, padding); - } - - @Override - protected void write(TestMessage message, ByteBuffer wb) { - if (message.length() != length) { - throw new IllegalArgumentException(E_WRONG_LEN + message.length()); - } - - wb.putLong(START_TAG); - wb.putLong(message.length()); - wb.putLong(message.requestorTime()); - wb.putLong(message.responderTime()); - wb.put(message.padding(), 0, length - META_LENGTH); - wb.putLong(END_TAG); - } - - public byte[] padding() { - return new byte[length - META_LENGTH]; - } -} |