JdpPacket.java revision 5652
0N/A/*
0N/A * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
3516N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
3915N/Apackage sun.management.jdp;
0N/A
3516N/Aimport java.io.IOException;
3915N/A
0N/A/**
3516N/A * Packet to broadcast
3915N/A *
0N/A * <p>Each packet have to contain MAGIC and PROTOCOL_VERSION in order to be
3516N/A * recognized as a valid JDP packet.</p>
0N/A *
0N/A * <p>Default implementation build packet as a set of UTF-8 encoded Key/Value pairs
3516N/A * are stored as an ordered list of values, and are sent to the server
0N/A * in that order.</p>
0N/A *
3516N/A * <p>
0N/A * Packet structure:
0N/A *
3915N/A * 4 bytes JDP magic (0xC0FFE42)
3516N/A * 2 bytes JDP protocol version (01)
0N/A *
0N/A * 2 bytes size of key
0N/A * x bytes key (UTF-8 encoded)
0N/A * 2 bytes size of value
0N/A * x bytes value (UTF-8 encoded)
0N/A *
0N/A * repeat as many times as necessary ...
3516N/A * </p>
0N/A */
3516N/Apublic interface JdpPacket {
3516N/A
0N/A /**
3915N/A * This method responsible to assemble packet and return a byte array
3915N/A * ready to be sent across a Net.
3516N/A *
0N/A * @return assembled packet as an array of bytes
3915N/A * @throws IOException
3516N/A */
3516N/A public byte[] getPacketData() throws IOException;
0N/A
0N/A}
0N/A