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comparison src/com/trilead/ssh2/packets/PacketChannelOpenConfirmation.java @ 0:0ce5cc452d02

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initial version
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 10:41:19 -0700
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-1:000000000000 0:0ce5cc452d02
1 package com.trilead.ssh2.packets;
2
3 import java.io.IOException;
4
5 /**
6 * PacketChannelOpenConfirmation.
7 *
8 * @author Christian Plattner, plattner@trilead.com
9 * @version $Id: PacketChannelOpenConfirmation.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
10 */
11 public class PacketChannelOpenConfirmation {
12 byte[] payload;
13
14 public int recipientChannelID;
15 public int senderChannelID;
16 public int initialWindowSize;
17 public int maxPacketSize;
18
19 public PacketChannelOpenConfirmation(int recipientChannelID, int senderChannelID, int initialWindowSize,
20 int maxPacketSize) {
21 this.recipientChannelID = recipientChannelID;
22 this.senderChannelID = senderChannelID;
23 this.initialWindowSize = initialWindowSize;
24 this.maxPacketSize = maxPacketSize;
25 }
26
27 public PacketChannelOpenConfirmation(byte payload[], int off, int len) throws IOException {
28 this.payload = new byte[len];
29 System.arraycopy(payload, off, this.payload, 0, len);
30 TypesReader tr = new TypesReader(payload, off, len);
31 int packet_type = tr.readByte();
32
33 if (packet_type != Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION)
34 throw new IOException(
35 "This is not a SSH_MSG_CHANNEL_OPEN_CONFIRMATION! ("
36 + packet_type + ")");
37
38 recipientChannelID = tr.readUINT32();
39 senderChannelID = tr.readUINT32();
40 initialWindowSize = tr.readUINT32();
41 maxPacketSize = tr.readUINT32();
42
43 if (tr.remain() != 0)
44 throw new IOException("Padding in SSH_MSG_CHANNEL_OPEN_CONFIRMATION packet!");
45 }
46
47 public byte[] getPayload() {
48 if (payload == null) {
49 TypesWriter tw = new TypesWriter();
50 tw.writeByte(Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION);
51 tw.writeUINT32(recipientChannelID);
52 tw.writeUINT32(senderChannelID);
53 tw.writeUINT32(initialWindowSize);
54 tw.writeUINT32(maxPacketSize);
55 payload = tw.getBytes();
56 }
57
58 return payload;
59 }
60 }