/* Copyright (C) 2014 J.F.Dockes
* 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.
*/
#ifndef _DIRREADER_H_INCLUDED_
#define _DIRREADER_H_INCLUDED_
#include <string>
#include <vector>
#include <iostream>
#include <QThread>
#include <upnp/upnp.h>
#include "libupnpp/control/cdirectory.hxx"
class ContentDirectoryQO : public QThread {
Q_OBJECT;
public:
ContentDirectoryQO(UPnPClient::CDSH server, std::string objid,
QObject *parent = 0)
: QThread(parent), m_serv(server), m_objid(objid)
{
}
~ContentDirectoryQO()
{
for (auto& entry: m_slices)
delete entry;
}
virtual void run()
{
int offset = 0;
int toread = 20; // read small count the first time
int total = 1000;// Updated on first read.
int count;
while (offset < total) {
UPnPDirContent *slice = new UPnPDirContent();
if (slice == 0) {
m_status = UPNP_E_OUTOF_MEMORY;
emit done(m_status);
return;
}
std::cerr << "dirreader: reading " << toread << " total " <<
total << std::endl;
m_status = m_serv->readDirSlice(m_objid, offset, toread,
*slice, &count, &total);
if (m_status != UPNP_E_SUCCESS) {
emit done(m_status);
return;
}
offset += count;
m_slices.push_back(slice);
emit sliceAvailable(slice);
toread = m_serv->goodSliceSize();
}
emit done(m_status);
m_status = UPNP_E_SUCCESS;
}
signals:
void sliceAvailable(const UPnPDirContent *);
void done(int);
private:
UPnPClient::CDSH m_serv;
std::string m_objid;
// We use a list (vs vector) so that existing element addresses
// are unchanged when we append
std::list<UPnPDirContent*> m_slices;
int m_status;
};
#endif /* _DIRREADER_H_INCLUDED_ */