private static int FinalizeWrite(
out GitOid oid_p,
IntPtr stream)
{
oid_p = default(GitOid);
OdbBackendStream odbBackendStream = GCHandle.FromIntPtr(Marshal.ReadIntPtr(stream, GitOdbBackendStream.GCHandleOffset)).Target as OdbBackendStream;
if (odbBackendStream != null)
{
byte[] computedObjectId;
try
{
int toReturn = odbBackendStream.FinalizeWrite(out computedObjectId);
if (0 == toReturn)
{
oid_p.Id = computedObjectId;
}
return(toReturn);
}
catch (Exception ex)
{
Proxy.giterr_set_str(GitErrorCategory.Odb, ex);
}
}
return((int)GitErrorCode.Error);
}
private static unsafe int Write(
IntPtr stream,
IntPtr buffer,
UIntPtr len)
{
OdbBackendStream odbBackendStream = GCHandle.FromIntPtr(Marshal.ReadIntPtr(stream, GitOdbBackendStream.GCHandleOffset)).Target as OdbBackendStream;
if (odbBackendStream != null)
{
long length = OdbBackend.ConverToLong(len);
using (UnmanagedMemoryStream dataStream = new UnmanagedMemoryStream((byte *)buffer, length))
{
try
{
return(odbBackendStream.Write(dataStream, length));
}
catch (Exception ex)
{
Proxy.giterr_set_str(GitErrorCategory.Odb, ex);
}
}
}
return((int)GitErrorCode.Error);
}
private unsafe static int Read(
IntPtr stream,
IntPtr buffer,
UIntPtr len)
{
OdbBackendStream odbBackendStream = GCHandle.FromIntPtr(Marshal.ReadIntPtr(stream, GitOdbBackendStream.GCHandleOffset)).Target as OdbBackendStream;
if (odbBackendStream != null &&
len.ToUInt64() < long.MaxValue)
{
using (UnmanagedMemoryStream memoryStream = new UnmanagedMemoryStream((byte *)buffer, 0, (long)len.ToUInt64(), FileAccess.ReadWrite))
{
try
{
return(odbBackendStream.Read(memoryStream, (long)len.ToUInt64()));
}
catch (Exception ex)
{
Proxy.giterr_set_str(GitErrorCategory.Odb, ex);
}
}
}
return((int)GitErrorCode.Error);
}
private static void Free(IntPtr stream)
{
OdbBackendStream odbBackendStream = GCHandle.FromIntPtr(Marshal.ReadIntPtr(stream, GitOdbBackendStream.GCHandleOffset)).Target as OdbBackendStream;
if (odbBackendStream != null)
{
try
{
odbBackendStream.Dispose();
}
catch (Exception ex)
{
Proxy.git_error_set_str(GitErrorCategory.Odb, ex);
}
}
}
private static int FinalizeWrite(IntPtr stream, ref GitOid oid)
{
OdbBackendStream odbBackendStream = GCHandle.FromIntPtr(Marshal.ReadIntPtr(stream, GitOdbBackendStream.GCHandleOffset)).Target as OdbBackendStream;
if (odbBackendStream != null)
{
try
{
return(odbBackendStream.FinalizeWrite(new ObjectId(oid)));
}
catch (Exception ex)
{
Proxy.git_error_set_str(GitErrorCategory.Odb, ex);
}
}
return((int)GitErrorCode.Error);
}
/// <summary>
/// Requests that this backend write an object to the backing store. Returns a stream so that the caller can write
/// the data in chunks.
/// </summary>
public abstract int WriteStream(long length,
ObjectType objectType,
out OdbBackendStream stream);
/// <summary>
/// Requests that this backend read an object. Returns a stream so that the caller can read the data in chunks.
/// </summary>
public abstract int ReadStream(byte[] oid,
out OdbBackendStream stream);
/// <summary>
/// Requests that this backend write an object to the backing store. Returns a stream so that the caller can write
/// the data in chunks.
/// </summary>
public abstract int WriteStream(
long length,
ObjectType objectType,
out OdbBackendStream stream);
/// <summary>
/// Requests that this backend read an object. Returns a stream so that the caller can read the data in chunks.
/// </summary>
public abstract int ReadStream(
ObjectId id,
out OdbBackendStream stream);
/// <summary>
/// Requests that this backend read an object. Returns a stream so that the caller can read the data in chunks.
/// </summary>
public abstract int ReadStream(
ObjectId id,
out OdbBackendStream stream);
/// <summary>
/// Requests that this backend read an object. Returns a stream so that the caller can read the data in chunks.
/// </summary>
public abstract int ReadStream(byte[] oid,
out OdbBackendStream stream);
