private const int BufferSize = 2048;//NOTE: set to 2048 to fit in minimum tcp window
public static Stream IronReadStream(this IDataStore store, TempStream tempStream, string domain, string path, int tryCount)
{
var ms = tempStream.Create();
IronReadToStream(store, domain, path, tryCount, ms);
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
///<summary>
/// Copy from one module to another. Can copy from s3 to disk and vice versa
///</summary>
///<param name="srcStore"></param>
///<param name="srcDomain"></param>
///<param name="srcFilename"></param>
///<param name="dstStore"></param>
///<param name="dstDomain"></param>
///<param name="dstFilename"></param>
///<returns></returns>
///<exception cref="ArgumentNullException"></exception>
public static Uri CrossCopy(IDataStore srcStore, string srcDomain, string srcFilename, IDataStore dstStore,
string dstDomain, string dstFilename)
{
if (srcStore == null)
{
throw new ArgumentNullException("srcStore");
}
if (srcDomain == null)
{
throw new ArgumentNullException("srcDomain");
}
if (srcFilename == null)
{
throw new ArgumentNullException("srcFilename");
}
if (dstStore == null)
{
throw new ArgumentNullException("dstStore");
}
if (dstDomain == null)
{
throw new ArgumentNullException("dstDomain");
}
if (dstFilename == null)
{
throw new ArgumentNullException("dstFilename");
}
//Read contents
using (Stream srcStream = srcStore.GetReadStream(srcDomain, srcFilename))
{
using (var memoryStream = TempStream.Create())
{
//Copy
var buffer = new byte[4096];
int readed;
while ((readed = srcStream.Read(buffer, 0, 4096)) != 0)
{
memoryStream.Write(buffer, 0, readed);
}
memoryStream.Position = 0;
return(dstStore.Save(dstDomain, dstFilename, memoryStream));
}
}
}
private bool GetStream(Stream stream, out Stream memstream)
{
memstream = TempStream.Create();
var total = 0;
int readed;
const int portion = 2048;
var buffer = new byte[portion];
while ((readed = stream.Read(buffer, 0, portion)) > 0)
{
memstream.Write(buffer, 0, readed);
total += readed;
if (total >= chunksize)
{
break;
}
}
return(total > 0);
}