public static async Task DumpLocation(IFdbDatabase db, ISubspaceLocation path, CancellationToken ct)
{
Assert.That(db, Is.Not.Null);
using (var tr = await db.BeginTransactionAsync(ct))
{
tr.StopLogging();
var subspace = await path.Resolve(tr);
if (subspace == null)
{
FdbTest.Log($"Dumping content of subspace {path}:");
FdbTest.Log("> EMPTY!");
return;
}
await DumpSubspace(tr, subspace).ConfigureAwait(false);
if (path.Prefix.Count == 0)
{
var names = await db.DirectoryLayer.TryListAsync(tr, path.Path);
if (names != null)
{
foreach (var name in names)
{
var child = await db.DirectoryLayer.TryOpenAsync(tr, path.Path[name]);
if (child != null)
{
await DumpSubspace(tr, child);
}
}
}
}
}
}
public static async Task DumpSubspace(IFdbReadOnlyTransaction tr, IKeySubspace subspace)
{
Assert.That(tr, Is.Not.Null);
Assert.That(subspace, Is.Not.Null);
FdbTest.Log($"Dumping content of {subspace} at {subspace.GetPrefix():K}:");
int count = 0;
await tr
.GetRange(KeyRange.StartsWith(subspace.GetPrefix()))
.ForEachAsync((kvp) =>
{
var key = subspace.ExtractKey(kvp.Key, boundCheck: true);
++count;
string keyDump;
try
{
// attempts decoding it as a tuple
keyDump = TuPack.Unpack(key).ToString() !;
}
catch (Exception)
{
// not a tuple, dump as bytes
keyDump = "'" + key.ToString() + "'";
}
FdbTest.Log("- " + keyDump + " = " + kvp.Value.ToString());
});
if (count == 0)
{
FdbTest.Log("> empty !");
}
else
{
FdbTest.Log("> Found " + count + " values");
}
}
