Naanou.ResourceExchange
Class DownloadManager

cachedSources

private System.Collections.Hashtable cachedSources

downloadsInProgress

private System.Collections.ArrayList downloadsInProgress

ArrayList of Downloaders

localUser

private Naanou.Common.Hash localUser

SOURCE_CACHE_MAX

public int SOURCE_CACHE_MAX

DownloadManager

private DownloadManager()

Prevent instanciations

LocalUser

public Naanou.Common.Hash LocalUser

UserId

public string UserId

Close

public void Close()

Download

public Naanou.ResourceExchange.Downloader Download(string resource,
                                                   Naanou.ResourceExchange.Source.Manifest[] likelySources,
                                                   Naanou.ResourceExchange.Downloader.Priority priority)

Downloads a resource for which we have a few sources for

Parameters:

likelyBaseUrls -

priority -

Returns:

Download

public Naanou.ResourceExchange.Downloader Download(ClintHeyer.Httpd.URI uri)

Downloads a resource for which we have a Naanou Url

Parameters:

url - Nanaou Url for resource naanou://nodeId@localhost:8080/direct/1238dfg34rnsdf3

Returns:

Download

public Naanou.ResourceExchange.Downloader Download(string resource,
                                                   Naanou.ResourceExchange.Downloader.Priority priority)

Downloads a resource for which we aren't too sure where to get it from

Parameters:

likelyBaseUrls -

priority -

Returns:

DownloadsInProgress

public Naanou.ResourceExchange.Downloader[] DownloadsInProgress()

Gets all downloads in progress

Returns:

GetSource

public Naanou.ResourceExchange.Source GetSource(Naanou.Common.Hash id,
                                                string baseUrl)

Looks up an existing source, or creates a new one.

Caches up to Naanou.ResourceExchange.DownloadManager.SOURCE_CACHE_MAX entries before purging entire cache. Does not matter too much if in-use sources are removed - we just lose the acquired history data such as simultaneous downloads, generation# etc.

Parameters:

id - Id of source

baseUrl - Base url of source

Returns:

Source

LocateSources

public void LocateSources(string contentHash,
                          Naanou.Common.QueryProgressDelegate progressDelegate)

Locates download sources for a resource (async)

Parameters:

contentHash -

NotifyDownloadCompleted

public void NotifyDownloadCompleted(Naanou.ResourceExchange.Downloader d,
                                    bool wasAborted,
                                    bool wasError)

NotifyDownloadStarted

public void NotifyDownloadStarted(Naanou.ResourceExchange.Downloader d)

DownloadCompleted

public Naanou.ResourceExchange.DownloadCompletedEventHandler DownloadCompleted

A download has been completed

DownloadStarted

public Naanou.ResourceExchange.DownloadStartedEventHandler DownloadStarted

A download has started