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