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#ifndef NULLSOFT_WAC_DOWNLOAD_MANAGER_DOWNLOAD_MANAGER_H
#define NULLSOFT_WAC_DOWNLOAD_MANAGER_DOWNLOAD_MANAGER_H
#include <vector>
#include <map>
#include <string> // for string class
#include <atomic>
#include <QtCore>
#include <QAuthenticator>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QUrl>
#include <QUrlQuery>
#include "../nu/GrowBuf.h"
//#include "main.h"
//#include "wac_downloadManager_Headers.h"
#include "wac_download_http_receiver.h"
//#include "wac_download_http_receiver_api.h"
#include "wac_downloadManager_api.h"
//#include "../wac_network/wac_network_http_receiver_api.h"
#define MAX_SIMULTANEOUS_DOWNLOADS 2
static std::map<std::string, std::string> _CONTENT_TYPES_EXTENSIONS = {
{ "audio/aac", "aac" },
{ "audio/mp4", "mp4" },
{ "audio/MPA", "MPA" },
{ "audio/mpeg", "mp3" },
{ "audio/opus", "opus" },
{ "audio/ogg", "ogg" },
{ "audio/vorbis", "vorbis" },
{ "audio/wav", "wav" },
{ "video/mp2t", "ts" },
{ "video/mp4", "mp4" },
{ "video/mpeg", "mpeg" },
{ "video/ogg", "ogv" },
{ "video/x-matroska", "mkv" },
{ "video/x-msvideo", "avi" }
};
namespace wa
{
namespace Components
{
class WAC_DownloadData : public QObject
{
Q_OBJECT
public:
WAC_DownloadData( api_wac_download_manager_http_receiver *p_http, const char *p_url, int p_flags, ifc_downloadManagerCallback *p_callback );
~WAC_DownloadData();
void Retain();
void Release();
void Close( ifc_downloadManagerCallback **callbackCopy );
bool getExtention();
api_wac_download_manager_http_receiver *_http = Q_NULLPTR;
ifc_downloadManagerCallback *_callback = Q_NULLPTR;
int _flags = 0;
HANDLE _hFile; // handle to the open file where data is written to
DWORD _lastDownloadTick; // last time we got data out of the connection. used for timeout
DWORD _connectionStart; // used for when the connection starts, to help us calculate a k/s download rate
wchar_t _filepath[ MAX_PATH ]; // where file is downloaded to. probably a temp path
char *_fileext = 0;
char _url[ 1024 ];
wchar_t _source[ 1024 ];
wchar_t _title[ 1024 ];
int _replyCode = 0; // HTTP 200, 404, etc.
uint64_t _bytesDownloaded = 0;
int _last_status; // from http->get_status()
bool _pending;
GrowBuf _buffer;
private:
std::atomic<std::size_t> _refCount = 1;
};
class WAC_DownloadManager : public QNetworkAccessManager, public api_downloadManager
{
Q_OBJECT
public:
WAC_DownloadManager( QObject *parent = Q_NULLPTR );
~WAC_DownloadManager();
static const char *getServiceName() { return "Download Manager Service"; }
static GUID getServiceGuid() { return DownloadManagerGUID; }
DownloadToken Download( const char *p_url, ifc_downloadManagerCallback *p_callback );
DownloadToken DownloadEx( const char *p_url, ifc_downloadManagerCallback *p_callback, int p_flags );
private:
void init();
QNetworkReply *createRequest( Operation p_operation, const QNetworkRequest &p_request, QIODevice *p_outgoing_data = Q_NULLPTR );
QMetaObject::Connection _connection_authentication_required;
std::map<std::string, wa::Components::WAC_Download_HTTP_Receiver *> _runing_downloads;
std::map<std::string, wa::Components::WAC_Download_HTTP_Receiver *> _pending_downloads;
private Q_SLOTS:
void on_s_authentication_required( QNetworkReply *p_reply, QAuthenticator *p_authenticator );
};
}
}
#pragma region "DownloadData"
struct DownloadData
{
DownloadData( api_httpreceiver *http, const char *url, int flags, ifc_downloadManagerCallback *callback );
~DownloadData();
void Retain();
void Release();
void Close( ifc_downloadManagerCallback **callbackCopy );
bool getExtention();
api_httpreceiver *http = NULL;
ifc_downloadManagerCallback *callback = NULL;
wchar_t filepath[ MAX_PATH ]; // where file is downloaded to. probably a temp path
char *fileext = 0;
char url[ 1024 ];
wchar_t source[ 1024 ];
wchar_t title[ 1024 ];
HANDLE hFile; // handle to the open file where data is written to
DWORD lastDownloadTick; // last time we got data out of the connection. used for timeout
DWORD connectionStart; // used for when the connection starts, to help us calculate a k/s download rate
int replyCode = 0; // HTTP 200, 404, etc.
uint64_t bytesDownloaded = 0;
int last_status; // from http->get_status()
bool pending;
int flags;
GrowBuf buffer;
private:
std::atomic<std::size_t> _refCount = 1;
};
#pragma endregion
/* method ideas
Download(url, owner_token, callback, user_data)
Lock() - call before enumerating and doing anything
Unlock()
CancelDownload()
Enum(owner_token)
*/
class DownloadManager : public api_downloadManager
{
public:
static const char *getServiceName() { return "Download Manager"; }
static GUID getServiceGuid() { return DownloadManagerGUID; }
DownloadManager();
void Kill();
DownloadToken Download( const char *url, ifc_downloadManagerCallback *callback );
DownloadToken DownloadEx( const char *url, ifc_downloadManagerCallback *callback, int flags );
void ResumePendingDownload( DownloadToken token );
void CancelDownload( DownloadToken token );
void RetainDownload( DownloadToken token );
void ReleaseDownload( DownloadToken token );
void RegisterStatusCallback( ifc_downloadManagerCallback *callback );
void UnregisterStatusCallback( ifc_downloadManagerCallback *callback );
bool IsPending( DownloadToken token );
/*
only call these during a callback!
*/
api_httpreceiver *GetReceiver( DownloadToken token )
{
if ( token )
return ( (DownloadData *)token )->http;
else
return 0;
}
const wchar_t *GetLocation( DownloadToken token )
{
if ( token )
return ( (DownloadData *)token )->filepath;
else
return 0;
}
const wchar_t *GetSource( DownloadToken p_token )
{
if ( !p_token )
return 0;
DownloadData *data = (DownloadData *)p_token;
if ( data )
return data->source;
else
return 0;
}
const wchar_t *GetTitle( DownloadToken p_token )
{
if ( !p_token )
return 0;
DownloadData *data = (DownloadData *)p_token;
if ( data )
return data->title;
else
return 0;
}
void SetLocation( DownloadToken token, const wchar_t *p_location )
{
if ( token )
wcscpy( ( (DownloadData *)token )->filepath, p_location );
}
const char *GetExtention( DownloadToken token )
{
if ( token )
return ( (DownloadData *)token )->fileext;
else
return 0;
}
const char *GetUrl( DownloadToken token )
{
if ( token )
return ( (DownloadData *)token )->url;
else
return 0;
}
int GetBuffer( DownloadToken token, void **buffer, size_t *bufferlen )
{
if ( token )
{
*buffer = ( (DownloadData *)token )->buffer.get();
*bufferlen = ( (DownloadData *)token )->buffer.getlen();
return 0;
}
else
return 1;
}
uint64_t GetBytesDownloaded( DownloadToken token )
{
if ( token )
return ( (DownloadData *)token )->bytesDownloaded;
else
return 0;
}
private:
CRITICAL_SECTION downloadsCS;
bool DownloadThreadTick();
static int DownloadTickThreadPoolFunc( HANDLE handle, void *user_data, intptr_t id );
bool InitDownloadThread();
void FinishDownload( DownloadData *data, int code );
int Tick( DownloadData *thisDownload, void *buffer, int bufferSize );
HANDLE download_thread;
HANDLE killswitch;
std::vector<DownloadData *> downloads;
typedef std::vector<ifc_downloadManagerCallback *> StatusList;
StatusList status_callbacks;
protected:
RECVS_DISPATCH;
};
#endif // !NULLSOFT_WAC_DOWNLOAD_MANAGER_DOWNLOAD_MANAGER_H
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