public IPacket Clone()
{
var packet = new ChunkedDataPacket
{
UniqueId = UniqueId,
Offset = Offset,
TotalChunks = TotalChunks,
Data = new byte[Data?.Length ?? 0],
DataLength = DataLength
};
if (Data != null)
{
Array.Copy(Data, packet.Data, Data.Length);
}
return(packet);
}
/// <summary>
/// Send a new file
/// </summary>
/// <param name="file">The file to send</param>
/// <param name="sendPacket">The method that will actually send generated packets.</param>
/// <example>fileTransfer.SendFile(fileStream, client.Send);</example>
/// <exception cref="ArgumentException">Thrown if the <paramref name="file"/> is too large (<see cref="uint.MaxValue"/> bytes)</exception>
public void SendFile(FileStream file, Action <IPacket> sendPacket)
{
if (file.Length > uint.MaxValue)
{
throw new ArgumentException("The stream is larger than 4294967295 bytes", nameof(file));
}
_id++;
var id = _id;
var length = file.Length;
file.Position = 0;
var buffer = new byte[ChunkSize];
var totalChunks = (ushort)Math.Ceiling(length / (double)ChunkSize);
uint offset = 0;
int read;
var i = 0;
while ((read = file.Read(buffer, 0, ChunkSize)) > 0)
{
i++;
Logger.Debug("Sending file chunk {chunk}/{totalChunks} ({pct})", i, totalChunks, (float)i / totalChunks);
var packet = new ChunkedDataPacket
{
UniqueId = id,
Offset = offset,
TotalChunks = totalChunks,
Data = buffer,
DataLength = read
};
sendPacket.Invoke(packet);
offset += (ushort)read;
}
}
