public BitTorrentManager(BitTorrentCache bittorrentCache, string selfNameSpace,
DictionaryServiceProxy dhtProxy, DictionaryServiceTracker dhtTracker, ClientEngine clientEngine,
TorrentSettings torrentDefaults, TorrentHelper torrentHelper,
bool startSeedingAtStartup)
{
_bittorrentCache = bittorrentCache;
SelfNameSpace = selfNameSpace;
_dictProxy = dhtProxy;
_dictTracker = dhtTracker;
_torrentDefaults = torrentDefaults;
_startSeedingAtStartup = startSeedingAtStartup;
RegisterClientEngineEventHandlers(clientEngine);
_clientEngine = clientEngine;
_torrentHelper = torrentHelper;
try {
_fastResumeData = BEncodedValue.Decode <BEncodedDictionary>(
File.ReadAllBytes(_bittorrentCache.FastResumeFilePath));
} catch {
_fastResumeData = new BEncodedDictionary();
}
// CacheRegistry is created here because the default cache registry file path is
// defined here.
CacheRegistry = new CacheRegistry(_bittorrentCache.CacheRegistryFilePath, selfNameSpace);
CacheRegistry.LoadCacheDir(_bittorrentCache.DownloadsDirPath);
}
public BitTorrentManager(BitTorrentCache bittorrentCache, string selfNameSpace,
DictionaryServiceProxy dhtProxy, DictionaryServiceTracker dhtTracker, ClientEngine clientEngine,
TorrentSettings torrentDefaults, TorrentHelper torrentHelper,
bool startSeedingAtStartup)
{
_bittorrentCache = bittorrentCache;
SelfNameSpace = selfNameSpace;
_dictProxy = dhtProxy;
_dictTracker = dhtTracker;
_torrentDefaults = torrentDefaults;
_startSeedingAtStartup = startSeedingAtStartup;
RegisterClientEngineEventHandlers(clientEngine);
_clientEngine = clientEngine;
_torrentHelper = torrentHelper;
try {
_fastResumeData = BEncodedValue.Decode<BEncodedDictionary>(
File.ReadAllBytes(_bittorrentCache.FastResumeFilePath));
} catch {
_fastResumeData = new BEncodedDictionary();
}
// CacheRegistry is created here because the default cache registry file path is
// defined here.
CacheRegistry = new CacheRegistry(_bittorrentCache.CacheRegistryFilePath, selfNameSpace);
CacheRegistry.LoadCacheDir(_bittorrentCache.DownloadsDirPath);
}
public PieceLevelTorrentManager(BitTorrentManager manager, BitTorrentCache bittorrentCache,
DictionaryServiceProxy dhtProxy, TorrentHelper torrentHelper, int pieceInfoServerPort)
{
_manager = manager;
_dhtProxy = dhtProxy;
_bittorrentCache = bittorrentCache;
_torrentHelper = torrentHelper;
_pieceInfoServerPort = pieceInfoServerPort;
_pieceInfoServer = new HttpPieceInfoServer(_pieceInfoServerPort, this);
}
public PieceLevelTorrentManager(BitTorrentManager manager, BitTorrentCache bittorrentCache,
DictionaryServiceProxy dhtProxy, TorrentHelper torrentHelper, int pieceInfoServerPort)
{
_manager = manager;
_dhtProxy = dhtProxy;
_bittorrentCache = bittorrentCache;
_torrentHelper = torrentHelper;
_pieceInfoServerPort = pieceInfoServerPort;
_pieceInfoServer = new HttpPieceInfoServer(_pieceInfoServerPort, this);
}
public bool TryReadOrDownloadTorrent(string nameSpace, string name,
DictionaryServiceProxy proxy, out byte[] torrent)
{
try {
torrent = ReadOrDownloadTorrent(nameSpace, name, proxy);
return(true);
} catch (DictionaryServiceException) {
torrent = null;
return(false);
}
}
/// <summary>
/// Reads torrent from file system if exists or download it from DHT and writes it
/// to file system.
/// </summary>
/// <param name="nameSpace">The name space.</param>
/// <param name="name">The name.</param>
/// <param name="proxy">The proxy.</param>
/// <returns>Torrent bytes.</returns>
/// <exception cref="DictionaryServiceException">When such a torrent isn't available.
/// </exception>
public byte[] ReadOrDownloadTorrent(string nameSpace, string name,
DictionaryServiceProxy proxy)
{
var torrentPath = _bittorrentCache.GetTorrentFilePath(nameSpace, name);
if (File.Exists(torrentPath))
{
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Torrent file already exists. Reading it."));
return(File.ReadAllBytes(torrentPath));
}
else
{
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Torrent file doesn't exist. Downloading it."));
byte[] torrentKey = ServiceUtil.GetDictKeyBytes(nameSpace, name);
IList <byte[]> urls;
urls = proxy.GetUrlsToDownloadTorrent(torrentKey).ToList <byte[]>();
// Count should > 0 otherwise it's an exception.
int numServers = urls.Count;
var rnd = new Random();
var webClient = new WebClient();
byte[] torrentBytes = null;
do
{
int index = rnd.Next(numServers);
byte[] urlBytes = urls[index];
urls.RemoveAt(index);
string urlToTry = Encoding.UTF8.GetString(urlBytes);
try {
Logger.WriteLineIf(LogLevel.Verbose, _log_props, string.Format(
"Trying to download torrent from the #{0} peer in the {1}-item list.",
index, numServers));
torrentBytes = webClient.DownloadData(urlToTry);
break;
} catch (WebException ex) {
Logger.WriteLineIf(LogLevel.Verbose, _log_props, string.Format(
"Failed to download torrent from this peer: {0}. Exception: {1}",
urlToTry, ex));
}
} while (--numServers > 0);
if (torrentBytes == null)
{
throw new DictionaryServiceException(string.Format(
"No such torrent file: {0} available.", name));
}
IOUtil.PrepareParentDirForPath(torrentPath);
File.WriteAllBytes(torrentPath, torrentBytes);
return(torrentBytes);
}
}
/// <summary>
/// Constructs DhtTracker using the given DhtSerivceProxy instance.
/// </summary>
/// <param name="dhtProxy"></param>
public DictionaryServiceTracker(DictionaryServiceProxy dhtProxy, string listeningPrefix) {
_dictListener = new DictionaryServiceTrackerListener(dhtProxy);
ListeningPrefix = listeningPrefix;
_httpListener = new HttpListener(ListeningPrefix);
Logger.WriteLineIf(LogLevel.Info, _log_props, string.Format(
"DictionaryServiceTracker starting at: {0}", ListeningPrefix));
// Subscribe the HttpListener events to do our nifty stuff.
_httpListener.AnnounceReceived += this.OnAnnounceReceived;
_httpListener.ScrapeReceived += this.OnScrapeReceived;
_tracker = new Tracker();
// This also subscribes the same above 2 events but does this AFTER them,
// so HttpListener invokes DHT operations first.
_tracker.RegisterListener(_httpListener);
// And... the events from DHT
_tracker.RegisterListener(_dictListener);
}
/// <summary>
/// Constructs DhtTracker using the given DhtSerivceProxy instance.
/// </summary>
/// <param name="dhtProxy"></param>
public DictionaryServiceTracker(DictionaryServiceProxy dhtProxy, string listeningPrefix)
{
_dictListener = new DictionaryServiceTrackerListener(dhtProxy);
ListeningPrefix = listeningPrefix;
_httpListener = new HttpListener(ListeningPrefix);
Logger.WriteLineIf(LogLevel.Info, _log_props, string.Format(
"DictionaryServiceTracker starting at: {0}", ListeningPrefix));
// Subscribe the HttpListener events to do our nifty stuff.
_httpListener.AnnounceReceived += this.OnAnnounceReceived;
_httpListener.ScrapeReceived += this.OnScrapeReceived;
_tracker = new Tracker();
// This also subscribes the same above 2 events but does this AFTER them,
// so HttpListener invokes DHT operations first.
_tracker.RegisterListener(_httpListener);
// And... the events from DHT
_tracker.RegisterListener(_dictListener);
}
public bool TryReadOrDownloadTorrent(string nameSpace, string name,
DictionaryServiceProxy proxy, out byte[] torrent)
{
try {
torrent = ReadOrDownloadTorrent(nameSpace, name, proxy);
return true;
} catch (DictionaryServiceException) {
torrent = null;
return false;
}
}
/// <summary>
/// Reads torrent from file system if exists or download it from DHT and writes it
/// to file system.
/// </summary>
/// <param name="nameSpace">The name space.</param>
/// <param name="name">The name.</param>
/// <param name="proxy">The proxy.</param>
/// <returns>Torrent bytes.</returns>
/// <exception cref="DictionaryServiceException">When such a torrent isn't available.
/// </exception>
public byte[] ReadOrDownloadTorrent(string nameSpace, string name,
DictionaryServiceProxy proxy)
{
var torrentPath = _bittorrentCache.GetTorrentFilePath(nameSpace, name);
if (File.Exists(torrentPath)) {
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Torrent file already exists. Reading it."));
return File.ReadAllBytes(torrentPath);
} else {
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Torrent file doesn't exist. Downloading it."));
byte[] torrentKey = ServiceUtil.GetDictKeyBytes(nameSpace, name);
IList<byte[]> urls;
urls = proxy.GetUrlsToDownloadTorrent(torrentKey).ToList<byte[]>();
// Count should > 0 otherwise it's an exception.
int numServers = urls.Count;
var rnd = new Random();
var webClient = new WebClient();
byte[] torrentBytes = null;
do {
int index = rnd.Next(numServers);
byte[] urlBytes = urls[index];
urls.RemoveAt(index);
string urlToTry = Encoding.UTF8.GetString(urlBytes);
try {
Logger.WriteLineIf(LogLevel.Verbose, _log_props, string.Format(
"Trying to download torrent from the #{0} peer in the {1}-item list.",
index, numServers));
torrentBytes = webClient.DownloadData(urlToTry);
break;
} catch (WebException ex) {
Logger.WriteLineIf(LogLevel.Verbose, _log_props, string.Format(
"Failed to download torrent from this peer: {0}. Exception: {1}",
urlToTry, ex));
}
} while (--numServers > 0);
if (torrentBytes == null) {
throw new DictionaryServiceException(string.Format(
"No such torrent file: {0} available.", name));
}
IOUtil.PrepareParentDirForPath(torrentPath);
File.WriteAllBytes(torrentPath, torrentBytes);
return torrentBytes;
}
}
public DictionaryServiceTrackerListener(DictionaryServiceProxy proxy)
{
_proxy = proxy;
}
public DictionaryServiceTrackerListener(DictionaryServiceProxy proxy)
{
_proxy = proxy;
}
