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annotate src/ch/ethz/ssh2/packets/PacketChannelOpenConfirmation.java @ 292:855cdc3b2ced ganymed

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author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 20:36:45 -0700
parents 91a31873c42a
children 071eccdff8ea
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1 /*
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2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5 package ch.ethz.ssh2.packets;
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6
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7 import java.io.IOException;
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8
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9 import ch.ethz.ssh2.PacketFormatException;
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10 import ch.ethz.ssh2.PacketTypeException;
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11
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12 /**
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13 * @author Christian Plattner
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14 * @version $Id: PacketChannelOpenConfirmation.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
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15 */
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16 public final class PacketChannelOpenConfirmation {
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17
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18 private final byte[] payload;
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19
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20 private final int recipientChannelID;
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21 private final int senderChannelID;
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22 private final int initialWindowSize;
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23 private final int maxPacketSize;
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24
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25 public PacketChannelOpenConfirmation(int recipientChannelID, int senderChannelID, int initialWindowSize,
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26 int maxPacketSize) {
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27 this.recipientChannelID = recipientChannelID;
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28 this.senderChannelID = senderChannelID;
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29 this.initialWindowSize = initialWindowSize;
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30 this.maxPacketSize = maxPacketSize;
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31 TypesWriter tw = new TypesWriter();
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32 tw.writeByte(Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION);
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33 tw.writeUINT32(recipientChannelID);
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34 tw.writeUINT32(senderChannelID);
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35 tw.writeUINT32(initialWindowSize);
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36 tw.writeUINT32(maxPacketSize);
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37 payload = tw.getBytes();
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38 }
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39
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40 public PacketChannelOpenConfirmation(byte payload[]) throws IOException {
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41 this.payload = payload;
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42
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43 TypesReader tr = new TypesReader(payload);
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44
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45 int packet_type = tr.readByte();
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46
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47 if(packet_type != Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION) {
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48 throw new PacketTypeException(packet_type);
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49 }
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50
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51 recipientChannelID = tr.readUINT32();
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52 senderChannelID = tr.readUINT32();
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53 initialWindowSize = tr.readUINT32();
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54 maxPacketSize = tr.readUINT32();
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55
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56 if(tr.remain() != 0) {
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57 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
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58 }
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59 }
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60
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61 public int getRecipientChannelID() {
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62 return recipientChannelID;
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63 }
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64
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65 public int getSenderChannelID() {
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66 return senderChannelID;
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67 }
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68
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69 public int getInitialWindowSize() {
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70 return initialWindowSize;
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71 }
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72
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73 public int getMaxPacketSize() {
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74 return maxPacketSize;
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75 }
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76
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77 public byte[] getPayload() {
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78 return payload;
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79 }
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80 }