private async Task UploadSummary(string timelineName, Table summary, RecordsTable records, string etag)
{
using (Stream zipStream = new MemoryStream())
{
using (ZipFile zip = new ZipFile())
using (Stream s1 = new MemoryStream())
using (Stream s2 = new MemoryStream())
using (Stream s3 = new MemoryStream())
{
ExperimentSummaryStorage.SaveTable(summary, s1);
s1.Position = 0;
zip.AddEntry(fileNameTimeline, s1);
RecordsStorage.SaveBenchmarksRecords(records.BenchmarkRecords, s2);
s2.Position = 0;
zip.AddEntry(fileNameRecords, s2);
RecordsStorage.SaveSummaryRecords(records.CategoryRecords, s3);
s3.Position = 0;
zip.AddEntry(fileNameRecordsSummary, s3);
zip.Save(zipStream);
}
zipStream.Position = 0;
var blobName = string.Format("{0}.zip", AzureUtils.ToBinaryPackBlobName(timelineName));
var blob = summaryContainer.GetBlockBlobReference(blobName);
await blob.UploadFromStreamAsync(zipStream, etag == null?AccessCondition.GenerateIfNotExistsCondition() : AccessCondition.GenerateIfMatchCondition(etag),
new BlobRequestOptions { RetryPolicy = retryPolicy }, null);
}
}
private async Task <Tuple <Table, RecordsTable, string> > DownloadSummary(string timelineName, bool onlySummary = false)
{
var blobName = string.Format("{0}.zip", AzureUtils.ToBinaryPackBlobName(timelineName));
var blob = summaryContainer.GetBlockBlobReference(blobName);
Table summary;
Dictionary <string, Record> records = null;
Dictionary <string, CategoryRecord> records_summary = null;
string etag = null;
try
{
using (MemoryStream ms = new MemoryStream())
{
await blob.DownloadToStreamAsync(ms);
etag = blob.Properties.ETag;
ms.Position = 0;
using (ZipFile zip = ZipFile.Read(ms))
{
var zip_summary = zip[fileNameTimeline];
using (MemoryStream mem = new MemoryStream((int)zip_summary.UncompressedSize))
{
zip_summary.Extract(mem);
mem.Position = 0;
summary = ExperimentSummaryStorage.LoadTable(mem);
}
if (!onlySummary)
{
var zip_records = zip[fileNameRecords];
using (MemoryStream mem = new MemoryStream((int)zip_records.UncompressedSize))
{
zip_records.Extract(mem);
mem.Position = 0;
records = RecordsStorage.LoadBenchmarksRecords(mem);
}
var zip_records_summary = zip[fileNameRecordsSummary];
using (MemoryStream mem = new MemoryStream((int)zip_records_summary.UncompressedSize))
{
zip_records_summary.Extract(mem);
mem.Position = 0;
records_summary = RecordsStorage.LoadSummaryRecords(mem);
}
}
}
}
}
catch (StorageException ex) when(ex.RequestInformation.HttpStatusCode == (int)System.Net.HttpStatusCode.NotFound)
{
summary = ExperimentSummaryStorage.EmptyTable();
records = new Dictionary <string, Record>();
records_summary = new Dictionary <string, CategoryRecord>();
etag = null;
}
return(Tuple.Create(summary, new RecordsTable(records, records_summary), etag));
}
public async Task <Tuple <string, DateTimeOffset?> > TryFindRecentExecutableBlob(string creator)
{
string prefix = AzureUtils.ToBinaryPackBlobName(creator);
string asciiCreator = StripNonAscii(creator);
BlobContinuationToken token = null;
List <CloudBlob> best = new List <CloudBlob>();
do
{
var segment = await binContainer.ListBlobsSegmentedAsync(prefix, true, BlobListingDetails.Metadata, null,
token, new BlobRequestOptions { RetryPolicy = retryPolicy }, null);
CloudBlob bestBlob = null;
foreach (var item in segment.Results)
{
CloudBlob blob = item as CloudBlob;
if (blob == null)
{
continue;
}
string blobCreator;
if (!blob.Metadata.TryGetValue(KeyCreator, out blobCreator) || blobCreator != asciiCreator)
{
continue;
}
if (bestBlob == null || bestBlob.Properties.LastModified < blob.Properties.LastModified)
{
bestBlob = blob;
}
}
if (bestBlob != null)
{
best.Add(bestBlob);
}
token = segment.ContinuationToken;
} while (token != null);
if (best.Count == 0)
{
return(null);
}
CloudBlob resultBlob = best[0];
for (int i = 1; i < best.Count; i++)
{
var blob = best[i];
if (resultBlob.Properties.LastModified < blob.Properties.LastModified)
{
resultBlob = blob;
}
}
return(Tuple.Create(resultBlob.Name, resultBlob.Properties.LastModified));
}
public async Task <Tags> GetTags(string timelineName)
{
var blobName = string.Format("{0}.tags.csv", AzureUtils.ToBinaryPackBlobName(timelineName));
var blob = summaryContainer.GetBlockBlobReference(blobName);
try
{
using (MemoryStream ms = new MemoryStream())
{
await blob.DownloadToStreamAsync(ms, AccessCondition.GenerateEmptyCondition(), new BlobRequestOptions { RetryPolicy = retryPolicy }, null);
ms.Position = 0;
Tags tags = TagsStorage.Load(ms);
return(tags);
}
}
catch (StorageException ex) when(ex.RequestInformation.HttpStatusCode == (int)System.Net.HttpStatusCode.NotFound)
{
return(new Tags());
}
}
/// <summary>
/// Returns the uploaded blob name.
/// </summary>
public async Task <string> UploadNewExecutable(Stream source, string fileName, string creator)
{
if (!source.CanSeek)
{
throw new ArgumentException("Source stream must allow seeking", nameof(source));
}
string fileNameNoExt = Path.GetFileNameWithoutExtension(fileName);
string extension = Path.GetExtension(fileName);
string esc_creator = AzureUtils.ToBinaryPackBlobName(creator);
string packageName;
const string packageNameFormat = "{0}.{1}.{2:yyyy-MM-ddTHH-mm-ss-ffff}{3}";
do
{
source.Position = 0;
packageName = string.Format(packageNameFormat, esc_creator, fileNameNoExt, DateTime.UtcNow, extension);
} while (!await TryUploadNewExecutableAsBlob(source, packageName, creator, fileName));
return(packageName);
}