private static void InvokeProgressReport(ProgressReportEventHandler report, object sender, TFileReport args)
{
if (report != null)
{
report(sender, args);
}
}
private void OnProgessReport(int progressValue)
{
ProgressReportEventHandler handler = ProgressReport;
if (handler != null)
{
handler(progressValue);
}
}
/// <summary>
///
/// </summary>
/// <param name="stream"></param>
/// <param name="source"></param>
/// <param name="count">Cantidad en bytes</param>
/// <param name="report"></param>
public static void CopyFrom(this Stream stream, Stream source, long count, ProgressReportEventHandler report)
{
int bufferSize = MB_SIZE;
byte[] buffer = new byte[bufferSize];
int counts = 0, length = ((int)count / bufferSize) + 1;
int readers = 1;
long llevo = 0;
while (llevo < count && readers > 0)
{
readers = source.Read(buffer, 0, bufferSize);
if (llevo + readers <= count)
{
stream.Write(buffer, 0, readers);
llevo += readers;
counts++;
InvokeProgressReport(report, stream, new TFileReport {
Copied = counts, Length = length
});
}
else
{
var aux = new List <byte>();
foreach (var item in buffer)
{
if (llevo + aux.Count > count)
{
break;
}
aux.Add(item);
}
llevo += aux.Count;
stream.Write(aux.ToArray(), 0, aux.Count);
}
}
}
/// <summary>
/// Decompress stream using defleate algorithm
/// </summary>
/// <param name="stream">Stream to decompress</param>
/// <param name="output">Output stream</param>
/// <param name="count">Count of bytes to decompress</param>
/// <param name="offset">Offset on the output stream</param>
/// <param name="report">Progress report handler</param>
public static void DeCompressTo(this Stream stream, Stream output, long count, long offset = 0, ProgressReportEventHandler report = null)
{
if (output == null)
{
throw new ArgumentNullException("output");
}
output.Position = offset;
using (DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress, true))
{
deflateStream.CopyTo(output);
}
InvokeProgressReport(report, stream, new TFileReport {
Copied = count / 4096, Length = count / 4096
});
}
/// <summary>
/// Compress stream using defleate algorithm
/// </summary>
/// <param name="stream">Stream to compress</param>
/// <param name="output">Output streamm</param>
/// <param name="count">Count of bytes to compress</param>
/// <param name="offset">Offset on the output stream</param>
/// <param name="report">Progress report handler</param>
public static void CompressTo(this Stream stream, Stream output, long count, long offset = 0, ProgressReportEventHandler report = null)
{
if (output == null)
{
throw new ArgumentNullException("output");
}
output.Position = offset;
using (DeflateStream deflateStream = new DeflateStream(output, CompressionMode.Compress, true))
{
deflateStream.CopyFrom(stream, count, report);
}
}
public void AddProgressReportEvent(ProgressReportEventHandler evt)
{
_transfer.DiscoveryProgress += evt;
}
