vsnet_parsecmd.cpp

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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include "vsnet_parsecmd.h"

namespace VsnetDownload
{
RecvCmdDownload::RecvCmdDownload( NetBuffer &buffer ) :
    _buf( buffer )
    , _base( NULL )
{}

RecvCmdDownload::~RecvCmdDownload()
{
    if (_base) delete _base;
}

VsnetDownload::Subcommand RecvCmdDownload::parse()
{
    char c = _buf.getChar();
    switch (c)
    {
    case VsnetDownload::ResolveRequest:
        {
            Adapter::ResolveRequest *r = new Adapter::ResolveRequest;
            r->c   = VsnetDownload::ResolveRequest;
            r->num = _buf.getShort();
            for (int i = 0; i < r->num; i++) {
                Adapter::ResolveRequest::entry e;
                e.ft   = _buf.getChar();
                e.file = _buf.getString();
                r->files.push_back( e );
            }
            _base = r;
            break;
        }
    case VsnetDownload::ResolveResponse:
        {
            Adapter::ResolveResponse *r = new Adapter::ResolveResponse;
            r->c   = VsnetDownload::ResolveResponse;
            r->num = _buf.getShort();
            for (int i = 0; i < r->num; i++) {
                Adapter::ResolveResponse::entry e;
                e.file = _buf.getString();
                e.ok   = _buf.getChar();
                r->files.push_back( e );
            }
            _base = r;
            break;
        }
    case VsnetDownload::DownloadRequest:
        {
            Adapter::DownloadRequest *r = new Adapter::DownloadRequest;
            r->c   = VsnetDownload::DownloadRequest;
            r->num = _buf.getShort();
            for (int i = 0; i < r->num; i++) {
                Adapter::DownloadRequest::entry e;
                e.ft   = _buf.getChar();
                e.file = _buf.getString();
                r->files.push_back( e );
            }
            _base = r;
            break;
        }
    case VsnetDownload::DownloadError:
        {
            Adapter::DownloadError *r = new Adapter::DownloadError;
            r->c    = VsnetDownload::DownloadError;
            r->file = _buf.getString();
            _base   = r;
            break;
        }
    case VsnetDownload::Download:
        {
            Adapter::Download *r = new Adapter::Download;
            r->c           = VsnetDownload::Download;
            r->file        = _buf.getString();
            r->payload_len = _buf.getShort();
            r->payload     = _buf.getBuffer( r->payload_len );
            _base          = r;
            break;
        }
    case VsnetDownload::DownloadFirstFragment:
        {
            Adapter::DownloadFirstFragment *r = new Adapter::DownloadFirstFragment;
            r->c           = VsnetDownload::DownloadFirstFragment;
            r->file        = _buf.getString();
            r->file_len    = _buf.getInt32();
            r->payload_len = _buf.getShort();
            r->payload     = _buf.getBuffer( r->payload_len );
            _base          = r;
            break;
        }
    case VsnetDownload::DownloadFragment:
        {
            Adapter::DownloadFragment *r = new Adapter::DownloadFragment;
            r->c  = VsnetDownload::DownloadFragment;
            r->payload_len = _buf.getShort();
            r->payload = _buf.getBuffer( r->payload_len );
            _base = r;
            break;
        }
    case VsnetDownload::DownloadLastFragment:
        {
            Adapter::DownloadLastFragment *r = new Adapter::DownloadLastFragment;
            r->c  = VsnetDownload::DownloadLastFragment;
            r->payload_len = _buf.getShort();
            r->payload = _buf.getBuffer( r->payload_len );
            _base = r;
            break;
        }
    default:
        {
            Adapter::UnexpectedSubcommand *r = new Adapter::UnexpectedSubcommand;
            r->c  = VsnetDownload::UnexpectedSubcommand;
            _base = r;
            break;
        }
    }
    return _base->c;
}
}; //VsnetDownload