package com.trilead.ssh2.packets;

/**
 * PacketSessionX11Request.
 *
 * @author Christian Plattner, plattner@trilead.com
 * @version $Id: PacketSessionX11Request.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
 */
public class PacketSessionX11Request {
    byte[] payload;

    public int recipientChannelID;
    public boolean wantReply;

    public boolean singleConnection;
    String x11AuthenticationProtocol;
    String x11AuthenticationCookie;
    int x11ScreenNumber;

    public PacketSessionX11Request(int recipientChannelID, boolean wantReply, boolean singleConnection,
                                   String x11AuthenticationProtocol, String x11AuthenticationCookie, int x11ScreenNumber) {
        this.recipientChannelID = recipientChannelID;
        this.wantReply = wantReply;
        this.singleConnection = singleConnection;
        this.x11AuthenticationProtocol = x11AuthenticationProtocol;
        this.x11AuthenticationCookie = x11AuthenticationCookie;
        this.x11ScreenNumber = x11ScreenNumber;
    }

    public byte[] getPayload() {
        if (payload == null) {
            TypesWriter tw = new TypesWriter();
            tw.writeByte(Packets.SSH_MSG_CHANNEL_REQUEST);
            tw.writeUINT32(recipientChannelID);
            tw.writeString("x11-req");
            tw.writeBoolean(wantReply);
            tw.writeBoolean(singleConnection);
            tw.writeString(x11AuthenticationProtocol);
            tw.writeString(x11AuthenticationCookie);
            tw.writeUINT32(x11ScreenNumber);
            payload = tw.getBytes();
        }

        return payload;
    }
}