2 * Copyright (c) 2003 University of Murcia. All rights reserved.
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3 * --------------------------------------------------------------
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4 * For more information, please see <http://www.umu.euro6ix.org/>.
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7 package org.umu.cops.stack;
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9 import java.io.IOException;
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10 import java.net.Socket;
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11 import java.net.UnknownHostException;
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14 * COPS IPv4 PDP Address
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16 * @version COPSIpv4PdpAddress.java, v 1.00 2003
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19 abstract public class COPSIpv4PdpAddress extends COPSPdpAddress {
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21 protected COPSObjHeader _objHdr;
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22 protected COPSIpv4Address _addr;
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23 private short _reserved;
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24 protected short _tcpPort;
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26 protected COPSIpv4PdpAddress() {
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27 _addr = new COPSIpv4Address();
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28 _objHdr = new COPSObjHeader();
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29 _objHdr.setCType((byte) 1);
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30 // _objHdr.setDataLength((short) _addr.getDataLength() + sizeof(u_int32_t));
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31 _objHdr.setDataLength((short) (_addr.getDataLength() + 4));
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34 protected COPSIpv4PdpAddress(byte[] dataPtr) {
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35 _addr = new COPSIpv4Address();
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36 _objHdr = new COPSObjHeader();
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37 _objHdr.parse(dataPtr);
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38 // _objHdr.checkDataLength();
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40 byte[] buf = new byte[4];
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41 System.arraycopy(dataPtr,2,buf,0,4);
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44 _reserved |= ((short) dataPtr[8]) << 8;
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45 _reserved |= ((short) dataPtr[9]) & 0xFF;
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46 _tcpPort |= ((short) dataPtr[10]) << 8;
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47 _tcpPort |= ((short) dataPtr[11]) & 0xFF;
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49 // _objHdr.setDataLength(_addr.getDataLength() + sizeof(u_int32_t));
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50 _objHdr.setDataLength((short) (_addr.getDataLength() + 4));
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54 * Method setIpAddress
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56 * @param hostName a String
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58 * @throws UnknownHostException
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61 public void setIpAddress(String hostName) throws UnknownHostException {
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62 _addr.setIpAddress(hostName);
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68 * @param port a short
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71 public void setTcpPort(short port) {
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80 * @throws UnknownHostException
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83 public String getIpName() throws UnknownHostException {
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84 return (_addr.getIpName());
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93 short getTcpPort() {
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98 * Returns size in number of octects, including header
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103 public short getDataLength() {
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104 //Add the size of the header also
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105 return (_objHdr.getDataLength());
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109 * Method isIpv6PdpAddress
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111 * @return a boolean
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114 public boolean isIpv6PdpAddress() {
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119 * Write data on a given network socket
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121 * @param id a Socket
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123 * @throws IOException
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126 public void writeData(Socket id) throws IOException {
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128 _objHdr.writeData(id);
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129 _addr.writeData(id);
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131 byte[] buf = new byte[4];
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132 buf[0] = (byte) (_reserved & 0xFF);
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133 buf[1] = (byte) (_reserved << 8);
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134 buf[2] = (byte) (_tcpPort & 0xFF);
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135 buf[3] = (byte) (_tcpPort << 8);
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137 COPSUtil.writeData(id, buf, 4);
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