public IPersistentConnection GetPeekConnection()
{
RequeueTimedOutCommits();
while (true)
{
IPersistentConnection connection;
if (!PeekConnections.TryPeek(out connection))
{
Thread.Sleep(1);
return(null);
}
if (!connection.ConnectionState.HasFlag(ConnectionState.Subscribed) ||
connection.SubscriptionType != SubscriptionType.PeekAndCommit)
{
PeekConnections.TryDequeue(out connection);
continue;
}
if (connection.NextPeekTime < _dateTimeProvider.UtcNow) // device can be checked for new outgoing messages
{
if (!PeekConnections.TryDequeue(out connection))
{
continue;
}
return(connection);
}
Thread.Sleep(1);
return(null); // we are too early
}
}
public void RequeueAsPeekConnections(IEnumerable <IPersistentConnection> connections)
{
foreach (var connection in connections)
{
connection.NextPeekTime = PeekTime;
PeekConnections.Enqueue(connection);
}
}
public void CommitSuccess(string deviceId)
{
IPersistentConnection connection;
if (CommitConnections.TryRemove(deviceId, out connection))
{
connection.NextPeekTime = PeekTime;
PeekConnections.Enqueue(connection);
}
}
public void AddConnection(IPersistentConnection connection)
{
if (connection.SubscriptionType == SubscriptionType.ReceiveAndForget)
{
connection.NextReceiveAndForgetTime = ReceiveAndForgetTime;
ReceiveAndForgetConnections.Enqueue(connection);
return;
}
if (connection.SubscriptionType == SubscriptionType.PeekAndCommit)
{
connection.NextPeekTime = PeekTime;
PeekConnections.Enqueue(connection);
return;
}
throw new NotImplementedException();
}
