public TreePathStreamedBlob(TreeID rootTreeID, CanonicalBlobPath path, IStreamedBlob blob)
: this(new TreeBlobPath(rootTreeID, path), blob)
{
}
public StreamedBlobResult(IStreamedBlob blob)
{
this.blob = blob;
}
public TreePathStreamedBlob(TreeBlobPath treePath, IStreamedBlob blob)
{
this.TreeBlobPath = treePath;
this.StreamedBlob = blob;
}
public TreePathStreamedBlob(TreeID rootTreeID, CanonicalBlobPath path, IStreamedBlob blob)
: this(new TreeBlobPath(rootTreeID, path), blob)
{
}
public TreePathStreamedBlob(TreeBlobPath treePath, IStreamedBlob blob)
{
this.TreeBlobPath = treePath;
this.StreamedBlob = blob;
}
protected void assertTranslated(TestContext tc, IStreamedBlob bl, TreeID rootid, string expected, params SemanticWarning[] expectedWarnings)
{
var item = new TreePathStreamedBlob(rootid, (CanonicalBlobPath)"/test", bl);
assertTranslated(tc, item, expected, expectedWarnings);
}
protected void assumeFail(TestContext tc, IStreamedBlob bl, TreeID rootid, IVO.CMS.SemanticError[] expectedErrors, SemanticWarning[] expectedWarnings)
{
var item = new TreePathStreamedBlob(rootid, (CanonicalBlobPath)"/test", bl);
assumeFail(tc, item, expectedErrors, expectedWarnings);
}
async Task DemonstrateHashing()
{
var db = getDataContext();
IBlobRepository blrepo = new BlobRepository(db);
ITreeRepository trrepo = new TreeRepository(db);
ICommitRepository cmrepo = new CommitRepository(db);
IRefRepository rfrepo = new RefRepository(db);
// Create a sample set of blobs:
Blob readmeBlob;
ImmutableContainer <BlobID, Blob> blobs = new ImmutableContainer <BlobID, Blob>(
bl => bl.ID,
readmeBlob = new Blob.Builder(pContents: Encoding.UTF8.GetBytes(@"Hello world"))
);
Console.Out.WriteAsync(String.Format("Blob {0} = \"{1}\"" + Environment.NewLine, readmeBlob.ID.ToString(firstLength: 7), Encoding.UTF8.GetString(readmeBlob.Contents)));
// Persist them:
var persistingBlobs = blrepo.PersistBlobs(blobs);
// Create an initial tree:
Tree trRoot;
ImmutableContainer <TreeID, Tree> trees = new ImmutableContainer <TreeID, Tree>(
tr => tr.ID,
new Tree[] {
trRoot = new Tree.Builder(
pTrees: new List <TreeTreeReference>(0),
pBlobs: new List <TreeBlobReference> {
new TreeBlobReference.Builder(pName: "README", pBlobID: readmeBlob.ID)
}
)
}
);
// Dump the tree:
RecursivePrint(trRoot.ID, trees);
// Now wait for the blob persistence to complete:
await persistingBlobs;
// Persist our tree now:
var persistTrees = trrepo.PersistTree(trRoot.ID, trees);
await persistTrees;
// Let's make a commit out of all that:
Commit cm1 = new Commit.Builder(
pParents: new List <CommitID>(0),
pTreeID: trRoot.ID,
pCommitter: @"James Dunne <*****@*****.**>",
pDateCommitted: DateTimeOffset.Now,
pMessage: "Initial commit."
);
// Persist that commit:
Console.Out.WriteAsync(String.Format("Persisting commit {0}..." + Environment.NewLine, cm1.ID.ToString(firstLength: 7)));
await cmrepo.PersistCommit(cm1);
// Let's create a ref to point to it:
await rfrepo.DestroyRefByName("demo/HEAD");
await rfrepo.PersistRef(new Ref.Builder(pName: "demo/HEAD", pCommitID: cm1.ID));
await Console.Out.WriteAsync(String.Format("Pointed demo/HEAD to commit {0}" + Environment.NewLine, cm1.ID.ToString(firstLength: 7)));
// Now let's create a new blob with some revised contents: (adding a period at the end)
Blob readmeBlob2;
blobs = new ImmutableContainer <BlobID, Blob>(
bl => bl.ID,
readmeBlob2 = new Blob.Builder(Encoding.UTF8.GetBytes(@"Hello world."))
);
var persistBlobs2 = blrepo.PersistBlobs(blobs);
// Make a new tree out of the old tree:
Tree.Builder trRoot2b = new Tree.Builder(trRoot);
// Point README to the new BlobID:
trRoot2b.Blobs[0] = new TreeBlobReference.Builder(trRoot2b.Blobs[0])
{
BlobID = readmeBlob2.ID
};
// Freeze our Tree.Builder to a Tree:
Tree trRoot2;
trees = new ImmutableContainer <TreeID, Tree>(tr => tr.ID, trRoot2 = trRoot2b);
// Wait for the blobs to persist:
await persistBlobs2;
// Now persist the new tree:
await trrepo.PersistTree(trRoot2.ID, trees);
// Load a streamed blob:
IStreamedBlob strbl = await blrepo.GetStreamedBlob(readmeBlob.ID);
await strbl.ReadStream(blsr =>
{
Console.WriteLine("blob is {0} length", blsr.Length);
byte[] dum = new byte[8040];
int count = 8040;
try
{
while ((count = blsr.Read(dum, 0, 8040)) > 0)
{
for (int i = 0; i < (count / 40) + ((count % 40) > 0 ? 1 : 0); ++i)
{
Console.WriteLine(dum.ToHexString(i * 40, Math.Min(count - (i * 40), 40)));
}
}
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
});
}
