C# Class BiliRanking.Core.Download.HttpDownloadClient

Inheritance: IDownloader

Public Methods

Method	Description
BeginDownload ( ) : void	Start to download using ThreadPool.
BeginResume ( ) : void	Resume the download using ThreadPool.
Cancel ( ) : void	Cancel the download.
CheckUrl ( string &fileName ) : void	Check the Uri to find its size, and whether it supports "Pause".
Download ( ) : void	Start to download.
HttpDownloadClient ( string url ) : System	Download the whole file.
HttpDownloadClient ( string url, long startPoint ) : System	Download the file from a start point to the end.
HttpDownloadClient ( string url, long startPoint, long endPoint ) : System	Download a block of the file. The default buffer size is 1KB, memory cache is 1MB, and buffer count per notification is 64.
HttpDownloadClient ( string url, long startPoint, long endPoint, int bufferSize, int cacheSize, int bufferCountPerNotification ) : System
Pause ( ) : void	Pause the download.
Resume ( ) : void	Resume the download.

Method	Description
OnDownloadCompleted ( DownloadCompletedEventArgs e ) : void	The method will be called by the OnStatusChanged method.
OnDownloadProgressChanged ( DownloadProgressChangedEventArgs e ) : void
OnStatusChanged ( EventArgs e ) : void

Method	Description
CheckFileOrCreateFile ( ) : void	Check whether the destination file exists. If not, create a file with the same size as the file to be downloaded.
CheckUrlAndFile ( string &fileName ) : void
DownloadInternal ( object obj ) : void	Download the data using HttpWebRequest. It will read a buffer of bytes from the response stream, and store the buffer to a MemoryStream cache first. If the cache is full, or the download is paused, canceled or completed, write the data in cache to local file.
EnsurePropertyValid ( ) : void
InternalDownloadProgressChanged ( int cachedSize ) : void	Calculate the download speed and fire the DownloadProgressChanged event.
WriteCacheToFile ( MemoryStream downloadCache, int cachedSize ) : void	Write the data in cache to local file.

Start to download using ThreadPool.

public BeginDownload ( ) : void
return	void

Resume the download using ThreadPool.

public BeginResume ( ) : void
return	void

Cancel the download.

public Cancel ( ) : void
return	void

Check the Uri to find its size, and whether it supports "Pause".

public CheckUrl ( string &fileName ) : void
fileName	string
return	void

Start to download.

public Download ( ) : void
return	void

Download the whole file.

public HttpDownloadClient ( string url ) : System
url	string
return	System

Download the file from a start point to the end.

public HttpDownloadClient ( string url, long startPoint ) : System
url	string
startPoint	long
return	System

Download a block of the file. The default buffer size is 1KB, memory cache is 1MB, and buffer count per notification is 64.

public HttpDownloadClient ( string url, long startPoint, long endPoint ) : System
url	string
startPoint	long
endPoint	long
return	System

public HttpDownloadClient ( string url, long startPoint, long endPoint, int bufferSize, int cacheSize, int bufferCountPerNotification ) : System
url	string
startPoint	long
endPoint	long
bufferSize	int
cacheSize	int
bufferCountPerNotification	int
return	System

The method will be called by the OnStatusChanged method.

protected OnDownloadCompleted ( DownloadCompletedEventArgs e ) : void
e	DownloadCompletedEventArgs
return	void

protected OnDownloadProgressChanged ( DownloadProgressChangedEventArgs e ) : void
e	DownloadProgressChangedEventArgs
return	void

protected OnStatusChanged ( EventArgs e ) : void
e	System.EventArgs
return	void

Pause the download.

public Pause ( ) : void
return	void

Resume the download.

public Resume ( ) : void
return	void