void LoadPieces(BitField b)
{
int length = b.Length;
for (int i = b.FirstTrue(0, length); i != -1; i = b.FirstTrue(i + 1, length))
{
if (!pieces.Exists(delegate(Piece p) { return(p.Index == i); }))
{
pieces.Add(new Piece(i, TorrentData.PieceLength, TorrentData.Size));
}
}
}
void LoadPieces(PeerId id, BitField b)
{
int length = b.Length;
for (int i = b.FirstTrue(0, length); i != -1; i = b.FirstTrue(i + 1, length))
{
if (!pieces.Exists(delegate(Piece p) { return(p.Index == i); }))
{
pieces.Add(new Piece(i, id.TorrentManager.Torrent.PieceLength, id.TorrentManager.Torrent.Size));
}
}
}
private void LoadPieces(PeerId id, BitField b)
{
var length = b.Length;
for (var i = b.FirstTrue(0, length); i != -1; i = b.FirstTrue(i + 1, length))
{
if (!_pieces.Exists(p => p.Index == i))
{
_pieces.Add(new Piece(i, id.TorrentManager.Torrent.PieceLength, id.TorrentManager.Torrent.Size));
}
}
}
public void FirstTrue2()
{
var b = new BitField(1025);
b[1024] = true;
Assert.AreEqual(1024, b.FirstTrue(0, 1025));
}
public void FirstTrue_2()
{
BitField b = new BitField(1025);
b[1024] = true;
Assert.Equal(1024, b.FirstTrue(0, 1025));
}
public void FirstTrue()
{
Assert.AreEqual(0, _bf.FirstTrue(0, _bf.Length));
Assert.AreEqual(0, _bf.FirstTrue(0, 0));
Assert.AreEqual(-1, _bf.FirstTrue(_bf.Length, _bf.Length));
Assert.AreEqual(11, _bf.FirstTrue(_bf.Length - 1, _bf.Length - 1));
Assert.AreEqual(11, _bf.FirstTrue(_bf.Length - 1, _bf.Length));
Assert.AreEqual(11, _bf.FirstTrue(9, _bf.Length));
}
public void FirstTrue()
{
Assert.Equal(0, bf.FirstTrue(0, bf.Length));
Assert.Equal(0, bf.FirstTrue(0, 0));
Assert.Equal(-1, bf.FirstTrue(bf.Length, bf.Length));
Assert.Equal(11, bf.FirstTrue(bf.Length - 1, bf.Length - 1));
Assert.Equal(11, bf.FirstTrue(bf.Length - 1, bf.Length));
Assert.Equal(11, bf.FirstTrue(9, bf.Length));
}
private int CanRequest(BitField bitfield, int pieceStartIndex, int pieceEndIndex, ref int pieceCount)
{
int largestStart = 0;
int largestEnd = 0;
while ((pieceStartIndex = bitfield.FirstTrue(pieceStartIndex, pieceEndIndex)) != -1)
{
int end = bitfield.FirstFalse(pieceStartIndex, pieceEndIndex);
if (end == -1)
{
end = Math.Min(pieceStartIndex + pieceCount, bitfield.Length);
}
for (int i = pieceStartIndex; i < end; i++)
{
if (AlreadyRequested(i))
{
end = i;
}
}
if ((end - pieceStartIndex) >= pieceCount)
{
return(pieceStartIndex);
}
if ((largestEnd - largestStart) < (end - pieceStartIndex))
{
largestStart = pieceStartIndex;
largestEnd = end;
}
pieceStartIndex = Math.Max(pieceStartIndex + 1, end);
}
pieceCount = largestEnd - largestStart;
return(pieceCount == 0 ? -1 : largestStart);
}
public void FirstTrue() => BitField_L.FirstTrue();
void LoadPieces(PeerId id, BitField b)
{
int length = b.Length;
for (int i = b.FirstTrue(0, length); i != -1; i = b.FirstTrue(i + 1, length))
if (!pieces.Exists(delegate(Piece p) { return p.Index == i; }))
pieces.Add(new Piece(i, id.TorrentManager.Torrent.PieceLength, id.TorrentManager.Torrent.Size));
}
void TryAdvertisePiece(ChokeData data)
{
// If we are seeding to this peer and we have a peer waiting to unchoke
// don't advertise more data
if (!data.Peer.AmChoking && PendingUnchoke)
{
return;
}
int advertised = advertisedPieces.FindAll(p => p.Peer == data.Peer).Count;
int max = MaxAdvertised;
if (Manager.UploadingTo < Manager.Settings.UploadSlots)
{
max = MaxAdvertised;
}
else if (data.ShareRatio < 0.25)
{
max = 1;
}
else if (data.ShareRatio < 0.35)
{
max = 2;
}
else if (data.ShareRatio < 0.50)
{
max = 3;
}
else
{
max = MaxAdvertised;
}
if (advertised >= max)
{
return;
}
// List of pieces *not* in the swarm
temp.From(bitfield).Not();
// List of pieces that he wants that aren't in the swarm
temp.NAnd(data.Peer.BitField);
// Ignore all the pieces we've already started sharing
foreach (SeededPiece p in advertisedPieces)
{
temp[p.Index] = false;
}
int index = 0;
while (advertised < max)
{
// Get the index of the first piece we can send him
index = temp.FirstTrue(index, temp.Length);
// Looks like he's not interested in us...
if (index == -1)
{
return;
}
advertised++;
data.TotalPieces++;
data.CurrentPieces[index] = true;
advertisedPieces.Add(new SeededPiece(data.Peer, index, Manager.Torrent.PieceLength / Piece.BlockSize));
data.Peer.Enqueue(new HaveMessage(index));
index++;
}
}
public void FirstTrue_2()
{
BitField b = new BitField(1025);
b[1024] = true;
Assert.AreEqual(1024, b.FirstTrue(0, 1025));
}
int CanRequest(BitField bitfield, int pieceStartIndex, int pieceEndIndex, ref int pieceCount)
{
// This is the easiest case to consider - special case it
if (pieceCount == 1)
{
while (pieceStartIndex <= pieceEndIndex && (pieceStartIndex = bitfield.FirstTrue(pieceStartIndex, pieceEndIndex)) != -1)
{
var end = bitfield.FirstFalse(pieceStartIndex, pieceEndIndex);
// If end is a valid value, it's the first *false* piece. Subtract '1' from it
// to give us the last available piece we can request. If it's -1 then we can use
// 'pieceEndIndex' as the last available piece to request as all pieces are available.
var lastAvailable = end == -1 ? pieceEndIndex : end - 1;
for (int i = pieceStartIndex; i <= lastAvailable; i++)
{
if (!AlreadyRequested(i))
{
return(i);
}
}
pieceStartIndex = lastAvailable + 1;
}
return(-1);
}
int largestStart = 0;
int largestEnd = 0;
while (pieceStartIndex <= pieceEndIndex && (pieceStartIndex = bitfield.FirstTrue(pieceStartIndex, pieceEndIndex)) != -1)
{
int end = bitfield.FirstFalse(pieceStartIndex, pieceEndIndex);
if (end == -1)
{
end = Math.Min(pieceStartIndex + pieceCount, bitfield.Length);
}
// Do not include 'end' as it's the first *false* piece.
for (int i = pieceStartIndex; i < end; i++)
{
if (AlreadyRequested(i))
{
end = i;
}
}
if ((end - pieceStartIndex) >= pieceCount)
{
return(pieceStartIndex);
}
if ((largestEnd - largestStart) < (end - pieceStartIndex))
{
largestStart = pieceStartIndex;
largestEnd = end;
}
pieceStartIndex = Math.Max(pieceStartIndex + 1, end);
}
pieceCount = largestEnd - largestStart;
return(pieceCount == 0 ? -1 : largestStart);
}
private void LoadPieces(PeerId id, BitField b)
{
var length = b.Length;
for (var i = b.FirstTrue(0, length); i != -1; i = b.FirstTrue(i + 1, length))
if (!_pieces.Exists(p => p.Index == i))
_pieces.Add(new Piece(i, id.TorrentManager.Torrent.PieceLength, id.TorrentManager.Torrent.Size));
}
