You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
3.4 KiB
126 lines
3.4 KiB
/*
|
|
* This file is part of the KDE libraries
|
|
* Copyright (c) 2003 Leo Savernik <l.savernik@aon.at>
|
|
* Derived from slave.h
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public License
|
|
* along with this library; see the file COPYING.LIB. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
**/
|
|
|
|
#ifndef __TDEIO_DATASLAVE_H__
|
|
#define __TDEIO_DATASLAVE_H__
|
|
|
|
#include <tdeio/global.h>
|
|
#include <tdeio/slave.h>
|
|
|
|
class TQTimer;
|
|
|
|
// don't forget to sync DISPATCH_IMPL in dataslave.h
|
|
#define DISPATCH_DECL(type) \
|
|
void dispatch_##type();
|
|
|
|
// don't forget to sync DISPATCH_IMPL1 in dataslave.h
|
|
#define DISPATCH_DECL1(type, paramtype, param) \
|
|
void dispatch_##type(paramtype param);
|
|
|
|
namespace TDEIO {
|
|
|
|
/**
|
|
* This class provides a high performance implementation for the data
|
|
* url scheme (rfc2397).
|
|
*
|
|
* @internal
|
|
* Do not use this class in external applications. It is an implementation
|
|
* detail of TDEIO and subject to change without notice.
|
|
* @author Leo Savernik
|
|
*/
|
|
class DataSlave : public TDEIO::Slave {
|
|
TQ_OBJECT
|
|
public:
|
|
DataSlave();
|
|
|
|
virtual ~DataSlave();
|
|
|
|
virtual void setHost(const TQString &host, int port,
|
|
const TQString &user, const TQString &passwd);
|
|
virtual void setConfig(const MetaData &config);
|
|
|
|
virtual void suspend();
|
|
virtual void resume();
|
|
virtual bool suspended();
|
|
virtual void send(int cmd, const TQByteArray &data = TQByteArray());
|
|
|
|
virtual void hold(const KURL &url);
|
|
|
|
// pure virtual methods that are defined by the actual protocol
|
|
virtual void get(const KURL &url) = 0;
|
|
virtual void mimetype(const KURL &url) = 0;
|
|
|
|
protected:
|
|
/**
|
|
* Sets metadata
|
|
* @internal
|
|
*/
|
|
void setAllMetaData(const MetaData &);
|
|
/**
|
|
* Sends metadata set with setAllMetaData
|
|
* @internal
|
|
*/
|
|
void sendMetaData();
|
|
|
|
// queueing methods
|
|
/** identifiers of functions to be queued */
|
|
enum QueueType { Queue_mimeType = 1, Queue_totalSize,
|
|
Queue_sendMetaData, Queue_data, Queue_finished };
|
|
/** structure for queueing. It is very primitive, it doesn't
|
|
* even try to conserve memory.
|
|
*/
|
|
struct QueueStruct {
|
|
QueueType type;
|
|
TQString s;
|
|
TDEIO::filesize_t size;
|
|
TQByteArray ba;
|
|
|
|
QueueStruct() {}
|
|
QueueStruct(QueueType type) : type(type) {}
|
|
};
|
|
typedef TQValueList<QueueStruct> DispatchQueue;
|
|
DispatchQueue dispatchQueue;
|
|
|
|
DISPATCH_DECL1(mimeType, const TQString &, s)
|
|
DISPATCH_DECL1(totalSize, TDEIO::filesize_t, size)
|
|
DISPATCH_DECL(sendMetaData)
|
|
DISPATCH_DECL1(data, const TQByteArray &, ba)
|
|
DISPATCH_DECL(finished)
|
|
|
|
protected slots:
|
|
/** dispatches next queued method. Does nothing if there are no
|
|
* queued methods.
|
|
*/
|
|
void dispatchNext();
|
|
protected:
|
|
virtual void virtual_hook( int id, void* data );
|
|
private:
|
|
MetaData meta_data;
|
|
bool _suspended;
|
|
TQTimer *timer;
|
|
};
|
|
|
|
}
|
|
|
|
#undef DISPATCH_DECL
|
|
#undef DISPATCH_DECL1
|
|
|
|
#endif /*__TDEIO_DATASLAVE_H__*/
|