diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/store/cluster/messaging/ClusterMessage.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/store/cluster/messaging/ClusterMessage.java | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/store/cluster/messaging/ClusterMessage.java b/framework/src/onos/core/api/src/main/java/org/onosproject/store/cluster/messaging/ClusterMessage.java deleted file mode 100644 index 46560e4c..00000000 --- a/framework/src/onos/core/api/src/main/java/org/onosproject/store/cluster/messaging/ClusterMessage.java +++ /dev/null @@ -1,160 +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.store.cluster.messaging; - -import java.nio.ByteBuffer; -import java.util.Arrays; -import java.util.Objects; - -import org.onlab.util.ByteArraySizeHashPrinter; -import org.onosproject.cluster.NodeId; - -import com.google.common.base.Charsets; -import com.google.common.base.MoreObjects; - -// TODO: Should payload type be ByteBuffer? -/** - * Base message for cluster-wide communications. - */ -public class ClusterMessage { - - private final NodeId sender; - private final MessageSubject subject; - private final byte[] payload; - private transient byte[] response; - - /** - * Creates a cluster message. - * - * @param sender message sender - * @param subject message subject - * @param payload message payload - */ - public ClusterMessage(NodeId sender, MessageSubject subject, byte[] payload) { - this.sender = sender; - this.subject = subject; - this.payload = payload; - } - - /** - * Returns the id of the controller sending this message. - * - * @return message sender id. - */ - public NodeId sender() { - return sender; - } - - /** - * Returns the message subject indicator. - * - * @return message subject - */ - public MessageSubject subject() { - return subject; - } - - /** - * Returns the message payload. - * - * @return message payload. - */ - public byte[] payload() { - return payload; - } - - /** - * Records the response to be sent to the sender. - * - * @param data response payload - */ - public void respond(byte[] data) { - response = data; - } - - /** - * Returns the response to be sent to the sender. - * - * @return response bytes - */ - public byte[] response() { - return response; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("sender", sender) - .add("subject", subject) - .add("payload", ByteArraySizeHashPrinter.of(payload)) - .toString(); - } - - @Override - public boolean equals(Object o) { - if (!(o instanceof ClusterMessage)) { - return false; - } - - ClusterMessage that = (ClusterMessage) o; - - return Objects.equals(this.sender, that.sender) && - Objects.equals(this.subject, that.subject) && - Arrays.equals(this.payload, that.payload); - } - - /** - * Serializes this instance. - * @return bytes - */ - public byte[] getBytes() { - byte[] senderBytes = sender.toString().getBytes(Charsets.UTF_8); - byte[] subjectBytes = subject.value().getBytes(Charsets.UTF_8); - int capacity = 12 + senderBytes.length + subjectBytes.length + payload.length; - ByteBuffer buffer = ByteBuffer.allocate(capacity); - buffer.putInt(senderBytes.length); - buffer.put(senderBytes); - buffer.putInt(subjectBytes.length); - buffer.put(subjectBytes); - buffer.putInt(payload.length); - buffer.put(payload); - return buffer.array(); - } - - /** - * Decodes a new ClusterMessage from raw bytes. - * @param bytes raw bytes - * @return cluster message - */ - public static ClusterMessage fromBytes(byte[] bytes) { - ByteBuffer buffer = ByteBuffer.wrap(bytes); - byte[] senderBytes = new byte[buffer.getInt()]; - buffer.get(senderBytes); - byte[] subjectBytes = new byte[buffer.getInt()]; - buffer.get(subjectBytes); - byte[] payloadBytes = new byte[buffer.getInt()]; - buffer.get(payloadBytes); - - return new ClusterMessage(new NodeId(new String(senderBytes, Charsets.UTF_8)), - new MessageSubject(new String(subjectBytes, Charsets.UTF_8)), - payloadBytes); - } - - @Override - public int hashCode() { - return Objects.hash(sender, subject, payload); - } -} |