Exemple #1
0
        public async Task StartAsync(IManagedMqttClientOptions options)
        {
            if (options == null)
            {
                throw new ArgumentNullException(nameof(options));
            }
            if (options.ClientOptions == null)
            {
                throw new ArgumentException("The client options are not set.", nameof(options));
            }

            if (!options.ClientOptions.CleanSession)
            {
                throw new NotSupportedException("The managed client does not support existing sessions.");
            }

            if (_connectionCancellationToken != null)
            {
                throw new InvalidOperationException("The managed client is already started.");
            }

            _options = options;

            if (_options.Storage != null)
            {
                _storageManager = new ManagedMqttClientStorageManager(_options.Storage);
                await _storageManager.LoadQueuedMessagesAsync().ConfigureAwait(false);
            }

            _connectionCancellationToken = new CancellationTokenSource();

#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
            Task.Run(async() => await MaintainConnectionAsync(_connectionCancellationToken.Token).ConfigureAwait(false), _connectionCancellationToken.Token).ConfigureAwait(false);
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed

            _logger.Info <ManagedMqttClient>("Started");
        }