1 files changed, 104 insertions, 0 deletions

diff --git a/framework/src/onos/utils/nio/src/main/java/org/onlab/nio/service/DefaultMessage.java b/framework/src/onos/utils/nio/src/main/java/org/onlab/nio/service/DefaultMessage.java
new file mode 100644
index 00000000..591d49b3
--- /dev/null
+++ b/framework/src/onos/utils/nio/src/main/java/org/onlab/nio/service/DefaultMessage.java
@@ -0,0 +1,104 @@
+/*
+ * 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.onlab.nio.service;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import org.onlab.nio.AbstractMessage;
+import org.onlab.packet.IpAddress;
+import org.onlab.util.ByteArraySizeHashPrinter;
+import org.onosproject.store.cluster.messaging.Endpoint;
+
+import com.google.common.base.Charsets;
+import com.google.common.base.MoreObjects;
+
+/**
+ * Default message.
+ */
+public class DefaultMessage extends AbstractMessage {
+
+    private long id;
+    private Endpoint sender;
+    private String type;
+    private byte[] payload;
+
+    /**
+     * Creates a new message with the specified data.
+     *
+     * @param id message id
+     * @param type message type
+     * @param sender sender endpoint
+     * @param payload message payload
+     */
+    DefaultMessage(long id, Endpoint sender, String type, byte[] payload) {
+        this.id = id;
+        this.type = checkNotNull(type, "Type cannot be null");
+        this.sender = checkNotNull(sender, "Sender cannot be null");
+        this.payload = checkNotNull(payload, "Payload cannot be null");
+
+        byte[] messageTypeBytes = type.getBytes(Charsets.UTF_8);
+        IpAddress senderIp = sender.host();
+        byte[] ipOctets = senderIp.toOctets();
+
+        length = 25 + ipOctets.length + messageTypeBytes.length + payload.length;
+    }
+
+    /**
+     * Returns message id.
+     *
+     * @return message id
+     */
+    public long id() {
+        return id;
+    }
+
+    /**
+     * Returns message sender.
+     *
+     * @return message sender
+     */
+    public Endpoint sender() {
+        return sender;
+    }
+
+    /**
+     * Returns message type.
+     *
+     * @return message type
+     */
+    public String type() {
+        return type;
+    }
+
+    /**
+     * Returns message payload.
+     *
+     * @return payload
+     */
+    public byte[] payload() {
+        return payload;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("id", id)
+                .add("type", type)
+                .add("sender", sender)
+                .add("payload", ByteArraySizeHashPrinter.of(payload))
+                .toString();
+    }
+}
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