public static byte[] Write(this SessionStateValue stateValue, bool compressed)
{
return(compressed
? GenericSerializationUtil.BinaryWriterOperationToByteBufferWithCompression(stateValue,
SerializeSessionState)
: GenericSerializationUtil.BinaryWriterOperationToByteBuffer(stateValue, SerializeSessionState));
}
public async Task WriteContents(HttpContextBase context, string sessionId, SessionStateValue stateValue,
bool isNew)
{
DeregisterLifetimeExtension(context);
var now = DateTime.UtcNow;
var compressionSw = Stopwatch.StartNew();
var payload = stateValue.Write(_compressionEnabled);
compressionSw.Stop();
Trace.TraceEvent(TraceEventType.Verbose, 4,
$"{now.ToString("o")} WriteContents: Serialize. Size: {payload.Length}, Elapsed: {compressionSw.Elapsed.TotalSeconds.ToString()}");
var response = await _container.UpsertItemAsync(new SessionStateRecord
{
SessionId = sessionId,
CreatedDate = now,
TtlSeconds = stateValue.Timeout * 60,
IsNew = isNew ? "yes" : null,
Payload = payload,
Compressed = _compressionEnabled,
}, new PartitionKey(sessionId),
new ItemRequestOptions
{
ConsistencyLevel = _consistencyLevel,
EnableContentResponseOnWrite = false,
});
TraceRequestCharge(response, $"WriteContents: UpsertItemAsync. isNew: {isNew}");
}
public static SessionStateValue ExtractDataForStorage(this SessionStateStoreData item)
{
var items = item.Items.Count > 0 ? item.Items : null;
var staticObjects = item.StaticObjects.NeverAccessed ? null : item.StaticObjects;
if (item.Items.Count > 0)
{
items = item.Items;
}
if (!item.StaticObjects.NeverAccessed)
{
staticObjects = item.StaticObjects;
}
var state = new SessionStateValue((SessionStateItemCollection) items, staticObjects, item.Timeout);
return state;
}
private static void SerializeSessionState(BinaryWriter writer, SessionStateValue s)
{
writer.Write(s.Timeout);
var hasSessionItems = s.SessionItems != null && s.SessionItems.Count != 0;
writer.Write(hasSessionItems);
var hasStaticObjects = s.StaticObjects != null && s.StaticObjects.Count != 0;
writer.Write(hasStaticObjects);
if (hasSessionItems)
{
s.SessionItems.Serialize(writer);
}
if (hasStaticObjects)
{
s.StaticObjects.Serialize(writer);
}
}
public void SerializeDeserializeSessionValue(bool compressed)
{
var expected = $"expected_{Guid.NewGuid():N}";
var sessionStateItemCollection = new SessionStateItemCollection
{
["actual"] = expected
};
var serialized = new SessionStateValue(
sessionStateItemCollection,
null,
1)
.Write(compressed);
var deserialized = serialized.ReadSessionState(compressed);
var actual = deserialized.SessionItems["actual"];
Assert.AreEqual(expected, actual);
}
