package com.trilead.ssh2.packets;


/**
 * PacketSessionSubsystemRequest.
 *
 * @author Christian Plattner, plattner@trilead.com
 * @version $Id: PacketSessionSubsystemRequest.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
 */
public class PacketSessionSubsystemRequest {
    byte[] payload;

    public int recipientChannelID;
    public boolean wantReply;
    public String subsystem;

    public PacketSessionSubsystemRequest(int recipientChannelID, boolean wantReply, String subsystem) {
        this.recipientChannelID = recipientChannelID;
        this.wantReply = wantReply;
        this.subsystem = subsystem;
    }

    public byte[] getPayload() {
        if (payload == null) {
            TypesWriter tw = new TypesWriter();
            tw.writeByte(Packets.SSH_MSG_CHANNEL_REQUEST);
            tw.writeUINT32(recipientChannelID);
            tw.writeString("subsystem");
            tw.writeBoolean(wantReply);
            tw.writeString(subsystem);
            payload = tw.getBytes();
            tw.getBytes(payload);
        }

        return payload;
    }
}