/* 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 <QDebug>
#include <QString>
#include <upnp/upnp.h>
#include "libupnpp/control/cdirectory.hxx"
// A thread object to run a single directory read operation
class CDBrowseQO : public QThread {
Q_OBJECT;
public:
CDBrowseQO(UPnPClient::CDSH server, std::string objid,
std::string ss = std::string(), QObject *parent = 0)
: QThread(parent), m_serv(server), m_objid(objid), m_searchstr(ss),
m_cancel(false) {
}
~CDBrowseQO() {
}
virtual void run() {
qDebug() << "CDBrowseQO::run. Search string: " <<
m_searchstr.c_str();
int offset = 0;
int toread = 20; // read small count the first time
int total = 1000;// Updated on first read.
int count;
while (offset < total) {
if (m_cancel) {
break;
}
UPnPClient::UPnPDirContent *slice =
new UPnPClient::UPnPDirContent();
if (slice == 0) {
m_status = UPNP_E_OUTOF_MEMORY;
emit done(m_status);
return;
}
qDebug() << "dirreader: reading " << toread << " total " << total;
if (m_searchstr.empty()) {
m_status = m_serv->readDirSlice(m_objid, offset, toread,
*slice, &count, &total);
} else {
m_status = m_serv->searchSlice(m_objid, m_searchstr,
offset, toread,
*slice, &count, &total);
}
if (m_status != UPNP_E_SUCCESS) {
emit done(m_status);
return;
}
offset += count;
emit sliceAvailable(slice);
toread = m_serv->goodSliceSize();
}
emit done(m_status);
m_status = UPNP_E_SUCCESS;
}
void setCancel() {
m_cancel = true;
}
const std::string& getObjid() {
return m_objid;
}
UPnPClient::ContentDirectory::ServiceKind getKind() {
return m_serv->getKind();
}
signals:
void sliceAvailable(UPnPClient::UPnPDirContent *);
void done(int);
private:
UPnPClient::CDSH m_serv;
std::string m_objid;
std::string m_searchstr;
// We use a list (vs vector) so that existing element addresses
// are unchanged when we append
int m_status;
bool m_cancel;
};
// The content directory object is used to generate SystemUpdateId and
// ContainerUpdateIDs events in case we might care
class ContentDirectoryQO : public QObject, public UPnPClient::VarEventReporter {
Q_OBJECT;
public:
ContentDirectoryQO(UPnPClient::CDSH service, QObject *parent = 0)
: QObject(parent), m_srv(service) {
m_srv->installReporter(this);
}
virtual ~ContentDirectoryQO() {
m_srv->installReporter(0);
}
// SystemUpdateId
virtual void changed(const char *nm, int value) {
//qDebug() << "CDQO: Changed: " << nm << " (int): " << value;
if (!strcmp(nm, "SystemUpdateID")) {
emit systemUpdateIDChanged(value);
}
}
virtual void changed(const char *nm, const char *value) {
//qDebug() << "CDQO: Changed: " << n << " (char*): " << v;
if (!strcmp(nm, "ContainerUpdateIDs")) {
emit containerUpdateIDsChanged(QString::fromUtf8(value));
}
}
UPnPClient::CDSH srv() {return m_srv;}
signals:
void systemUpdateIDChanged(int);
void containerUpdateIDsChanged(QString);
private:
UPnPClient::CDSH m_srv;
};
#endif /* _DIRREADER_H_INCLUDED_ */