public async Task <IFileSystemNode> AddAsync(Stream stream,
string name,
AddFileOptions options,
CancellationToken cancel)
{
options ??= new AddFileOptions();
// TODO: various options
if (options.Trickle)
{
throw new NotImplementedException("Trickle");
}
var blockService = GetBlockService(options);
var chunker = new SizeChunker();
var nodes = await chunker.ChunkAsync(stream, name, options, blockService, _keyApi, cancel)
.ConfigureAwait(false);
// Multiple nodes for the file?
var node = await BuildTreeAsync(nodes, options, cancel);
// Wrap in directory?
if (options.Wrap)
{
var link = node.ToLink(name);
var wlinks = new[]
{
link
};
node = await CreateDirectoryAsync(wlinks, options, cancel).ConfigureAwait(false);
}
else
{
node.Name = name;
}
// Advertise the root node.
if (options.Pin && _dfsState.IsStarted)
{
await _dhtApi.ProvideAsync(node.Id, advertise : true, cancel : cancel).ConfigureAwait(false);
}
// Return the file system node.
return(node);
}
public async Task <IFileSystemNode> AddAsync(
Stream stream,
string name,
AddFileOptions options,
CancellationToken cancel)
{
options = options ?? new AddFileOptions();
// TODO: various options
if (options.Trickle)
{
throw new NotImplementedException("Trickle");
}
var blockService = GetBlockService(options);
var keyChain = await ipfs.KeyChain(cancel).ConfigureAwait(false);
var chunker = new SizeChunker();
var nodes = await chunker.ChunkAsync(stream, name, options, blockService, keyChain, cancel).ConfigureAwait(false);
// Multiple nodes for the file?
FileSystemNode node = null;
if (nodes.Count() == 1)
{
node = nodes.First();
}
else
{
// Build the DAG that contains all the file nodes.
var links = nodes.Select(n => n.ToLink()).ToArray();
var fileSize = (ulong)nodes.Sum(n => n.Size);
var dm = new DataMessage
{
Type = DataType.File,
FileSize = fileSize,
BlockSizes = nodes.Select(n => (ulong)n.Size).ToArray()
};
var pb = new MemoryStream();
ProtoBuf.Serializer.Serialize <DataMessage>(pb, dm);
var dag = new DagNode(pb.ToArray(), links, options.Hash);
// Save it.
dag.Id = await blockService.PutAsync(
data : dag.ToArray(),
multiHash : options.Hash,
encoding : options.Encoding,
pin : options.Pin,
cancel : cancel).ConfigureAwait(false);
node = new FileSystemNode
{
Id = dag.Id,
Size = (long)dm.FileSize,
DagSize = dag.Size,
Links = links
};
}
// Wrap in directory?
if (options.Wrap)
{
var link = node.ToLink(name);
var wlinks = new IFileSystemLink[] { link };
node = await CreateDirectoryAsync(wlinks, options, cancel).ConfigureAwait(false);
}
else
{
node.Name = name;
}
// Advertise the root node.
if (options.Pin && ipfs.IsStarted)
{
await ipfs.Dht.ProvideAsync(node.Id, advertise : true, cancel : cancel).ConfigureAwait(false);
}
// Return the file system node.
return(node);
}
