private StorageMessage.CheckStreamAccessCompleted CheckStreamAccess(StorageMessage.CheckStreamAccess msg)
{
string streamId = msg.EventStreamId;
try
{
if (msg.EventStreamId == null)
{
if (msg.TransactionId == null)
{
throw new Exception("No transaction ID specified.");
}
streamId = _readIndex.GetEventStreamIdByTransactionId(msg.TransactionId.Value);
if (streamId == null)
{
throw new Exception(string.Format("No transaction with ID {0} found.", msg.TransactionId));
}
}
var result = _readIndex.CheckStreamAccess(streamId, msg.AccessType, msg.User);
return(new StorageMessage.CheckStreamAccessCompleted(msg.CorrelationId, streamId, msg.TransactionId, msg.AccessType, result));
}
catch (Exception exc)
{
Log.ErrorException(exc, "Error during processing CheckStreamAccess({0}, {1}) request.", msg.EventStreamId, msg.TransactionId);
return(new StorageMessage.CheckStreamAccessCompleted(msg.CorrelationId, streamId, msg.TransactionId,
msg.AccessType, new StreamAccess(false)));
}
}
private StorageMessage.CheckStreamAccessCompleted CheckStreamAccess(StorageMessage.CheckStreamAccess msg)
{
string streamId = msg.EventStreamId;
try
{
if (msg.EventStreamId == null)
{
if (msg.TransactionId == null)
{
throw new Exception("No transaction ID specified.");
}
var transInfo = _readIndex.GetTransactionInfo(_writerCheckpoint.Read(), msg.TransactionId.Value);
if (transInfo.TransactionOffset < -1 || transInfo.EventStreamId.IsEmptyString())
{
throw new Exception(
string.Format("Invalid transaction info found for transaction ID {0}. "
+ "Possibly wrong transaction ID provided. TransactionOffset: {1}, EventStreamId: {2}",
msg.TransactionId, transInfo.TransactionOffset,
transInfo.EventStreamId.IsEmptyString() ? "<null>" : transInfo.EventStreamId));
}
streamId = transInfo.EventStreamId;
}
var result = _readIndex.CheckStreamAccess(streamId, msg.AccessType, msg.User);
return(new StorageMessage.CheckStreamAccessCompleted(msg.CorrelationId, streamId, msg.TransactionId, msg.AccessType, result));
}
catch (Exception exc)
{
Log.ErrorException(exc, "Error during processing CheckStreamAccess({0}, {1}) request.", msg.EventStreamId, msg.TransactionId);
return(new StorageMessage.CheckStreamAccessCompleted(msg.CorrelationId, streamId, msg.TransactionId,
msg.AccessType, new StreamAccess(false)));
}
}
void IHandle <StorageMessage.CheckStreamAccess> .Handle(StorageMessage.CheckStreamAccess msg)
{
if (msg.Expires < DateTime.Now)
{
return;
}
msg.Envelope.ReplyWith(CheckStreamAccess(msg));
}
void IHandle <StorageMessage.CheckStreamAccess> .Handle(StorageMessage.CheckStreamAccess msg)
{
if (msg.Expires < DateTime.UtcNow)
{
Log.Debug("Check Stream Access operation has expired for Stream: {0}. Operation Expired at {1}", msg.EventStreamId, msg.Expires);
return;
}
msg.Envelope.ReplyWith(CheckStreamAccess(msg));
}
void IHandle <StorageMessage.CheckStreamAccess> .Handle(StorageMessage.CheckStreamAccess msg)
{
msg.Envelope.ReplyWith(CheckStreamAccess(msg));
}
