private ClientSession(ApplicationConfiguration config, ConnectionModel connection,
ILogger logger, Func <ConnectionModel, EndpointConnectivityState, Task> statusCb,
TimeSpan?maxOpTimeout, string sessionName, TimeSpan?timeout,
TimeSpan?keepAlive)
{
_sessionName = sessionName ?? Guid.NewGuid().ToString();
_logger = (logger ?? Log.Logger).ForContext("SourceContext", new {
name = _sessionName,
sessionId = Interlocked.Increment(ref _sessionCounter),
url = connection.Endpoint.Url
}, true);
_connection = connection.Clone();
_config = config;
_config.CertificateValidator.CertificateValidation += OnValidate;
_timeout = timeout ?? TimeSpan.FromMilliseconds(
_config.ClientConfiguration.DefaultSessionTimeout);
_statusCb = statusCb;
_cts = new CancellationTokenSource();
_lastState = EndpointConnectivityState.Connecting;
_keepAlive = keepAlive ?? TimeSpan.FromSeconds(5);
_lastActivity = DateTime.UtcNow;
// Align the default device method timeout
_opTimeout = maxOpTimeout ?? TimeSpan.FromMinutes(8);
_session = null;
_acquired = new TaskCompletionSource <Session>();
_urlQueue = new ConcurrentQueue <string>(_connection.Endpoint.GetAllUrls());
_queue = new PriorityQueue <int, SessionOperation>();
_enqueueEvent = new TaskCompletionSource <bool>(
TaskContinuationOptions.RunContinuationsAsynchronously);
#pragma warning disable RECS0002 // Convert anonymous method to method group
_processor = Task.Factory.StartNew(() => RunAsync(), _cts.Token,
TaskCreationOptions.LongRunning, TaskScheduler.Default).Unwrap();
#pragma warning restore RECS0002 // Convert anonymous method to method group
_logger.Information("Session created.");
}
/// <summary>
/// Create new key
/// </summary>
/// <param name="connection"></param>
public ConnectionIdentifier(ConnectionModel connection)
{
Connection = connection?.Clone() ??
throw new ArgumentNullException(nameof(connection));
_hash = Connection.CreateConsistentHash();
}