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package com.trilead.ssh2.packets;
import java.io.IOException;
/**
* PacketChannelOpenConfirmation.
*
* @author Christian Plattner, plattner@trilead.com
* @version $Id: PacketChannelOpenConfirmation.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
*/
public class PacketChannelOpenConfirmation
{
byte[] payload;
public int recipientChannelID;
public int senderChannelID;
public int initialWindowSize;
public int maxPacketSize;
public PacketChannelOpenConfirmation(int recipientChannelID, int senderChannelID, int initialWindowSize,
int maxPacketSize)
{
this.recipientChannelID = recipientChannelID;
this.senderChannelID = senderChannelID;
this.initialWindowSize = initialWindowSize;
this.maxPacketSize = maxPacketSize;
}
public PacketChannelOpenConfirmation(byte payload[], int off, int len) throws IOException
{
this.payload = new byte[len];
System.arraycopy(payload, off, this.payload, 0, len);
TypesReader tr = new TypesReader(payload, off, len);
int packet_type = tr.readByte();
if (packet_type != Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION)
throw new IOException(
"This is not a SSH_MSG_CHANNEL_OPEN_CONFIRMATION! ("
+ packet_type + ")");
recipientChannelID = tr.readUINT32();
senderChannelID = tr.readUINT32();
initialWindowSize = tr.readUINT32();
maxPacketSize = tr.readUINT32();
if (tr.remain() != 0)
throw new IOException("Padding in SSH_MSG_CHANNEL_OPEN_CONFIRMATION packet!");
}
public byte[] getPayload()
{
if (payload == null)
{
TypesWriter tw = new TypesWriter();
tw.writeByte(Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION);
tw.writeUINT32(recipientChannelID);
tw.writeUINT32(senderChannelID);
tw.writeUINT32(initialWindowSize);
tw.writeUINT32(maxPacketSize);
payload = tw.getBytes();
}
return payload;
}
}
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