public async Task <Object.Object> GetObject(GetRequest request, DateTime?deadline = null, CancellationToken context = default)
{
using var call = ObjectClient.Get(request, deadline: deadline, cancellationToken: context);
var obj = new Object.Object();
var payload = Array.Empty <byte>();
int offset = 0;
while (await call.ResponseStream.MoveNext())
{
var resp = call.ResponseStream.Current;
if (!resp.Verify())
{
throw new InvalidOperationException("invalid object get response");
}
CheckStatus(resp);
switch (resp.Body.ObjectPartCase)
{
case GetResponse.Types.Body.ObjectPartOneofCase.Init:
{
obj.ObjectId = resp.Body.Init.ObjectId;
obj.Signature = resp.Body.Init.Signature;
obj.Header = resp.Body.Init.Header;
payload = new byte[obj.PayloadSize];
break;
}
case GetResponse.Types.Body.ObjectPartOneofCase.Chunk:
{
if (payload.Length == 0)
{
throw new InvalidOperationException("missing init");
}
var chunk = resp.Body.Chunk;
if (obj.PayloadSize < (ulong)(offset + chunk.Length))
{
throw new InvalidOperationException("data exceeds PayloadSize");
}
resp.Body.Chunk.CopyTo(payload, offset);
offset += chunk.Length;
break;
}
case GetResponse.Types.Body.ObjectPartOneofCase.SplitInfo:
{
throw new SplitInfoException(resp.Body.SplitInfo);
}
default:
throw new FormatException("malformed object get reponse");
}
}
if ((ulong)offset < obj.PayloadSize)
{
throw new InvalidOperationException("data is less than PayloadSize");
}
obj.Payload = ByteString.CopyFrom(payload);
return(obj);
}
public async Task <Object.Object> GetObject(Address address, Stream writer, bool raw = false, CallOptions options = null, CancellationToken context = default)
{
if (address is null)
{
throw new ArgumentNullException(nameof(address));
}
var opts = DefaultCallOptions.ApplyCustomOptions(options);
CheckOptions(opts);
var req = new GetRequest
{
Body = new GetRequest.Types.Body
{
Raw = raw,
Address = address,
}
};
var meta = opts.GetRequestMetaHeader();
AttachObjectSessionToken(opts, meta, address, ObjectSessionContext.Types.Verb.Get);
req.MetaHeader = meta;
opts.Key.Sign(req);
using var call = ObjectClient.Get(req, cancellationToken: context);
var obj = new Object.Object();
int offset = 0;
while (await call.ResponseStream.MoveNext())
{
var resp = call.ResponseStream.Current;
if (!resp.Verify())
{
throw new InvalidOperationException("invalid object get response");
}
CheckStatus(resp);
switch (resp.Body.ObjectPartCase)
{
case GetResponse.Types.Body.ObjectPartOneofCase.Init:
{
obj.ObjectId = resp.Body.Init.ObjectId;
obj.Signature = resp.Body.Init.Signature;
obj.Header = resp.Body.Init.Header;
break;
}
case GetResponse.Types.Body.ObjectPartOneofCase.Chunk:
{
if (obj.Header is null)
{
throw new InvalidOperationException("missing init");
}
var chunk = resp.Body.Chunk.ToByteArray();
if (obj.PayloadSize < (ulong)(offset + chunk.Length))
{
throw new InvalidOperationException("data exceeds PayloadSize");
}
writer.Write(chunk, 0, chunk.Length);
offset += chunk.Length;
break;
}
case GetResponse.Types.Body.ObjectPartOneofCase.SplitInfo:
{
throw new SplitInfoException(resp.Body.SplitInfo);
}
default:
throw new FormatException("malformed object get reponse");
}
}
if ((ulong)offset < obj.PayloadSize)
{
throw new InvalidOperationException("data is less than PayloadSize");
}
return(obj);
}
