/// <summary>
/// Establishes a new connection to the digital shelf with the the specified host at the specified port.
/// This method performs an implicit disconnect if there is already an active digital shelf connection.
/// </summary>
/// <param name="host">The name or ip address of the digital shelf.</param>
/// <param name="port">The port number of the digital shelf. Default is 6050.</param>
public void Connect(string host, ushort port = 6052)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentException("Invalid host specified.");
}
if (port == 0)
{
throw new ArgumentException("Invalid port specified.");
}
Disconnect();
lock (_syncLock)
{
this.Trace("Connecting to digital shelf '{0}' at port '{1}'.", host, port);
_client = new TcpClient();
var connectResult = _client.BeginConnect(host, (int)port, null, null);
if (connectResult.AsyncWaitHandle.WaitOne(ConnectTimeout) == false)
{
connectResult.AsyncWaitHandle.Close();
_client.Close();
_client = null;
this.Error("Connecting to digital shelf '{0}' at port '{1}' timed out.", host, port);
throw new TimeoutException(string.Format("Connecting to digital shelf '{0}' at port '{1}' timed out.", host, port));
}
_client.EndConnect(connectResult);
_client.ReceiveTimeout = 0;
_client.IncreaseReadBufferSize();
_client.EnableSocketKeepAlive();
// initialize message stream and register the supported XML message types
_messageObjectStream = new XmlObjectStream(_client.GetStream(), "WWKS", "DigitalShelf", string.Concat(host, ":", port));
_messageObjectStream.AddSupportedType(typeof(HelloRequestEnvelope), typeof(HelloRequest).Name);
_messageObjectStream.AddSupportedType(typeof(HelloResponseEnvelope), typeof(HelloResponse).Name);
_messageObjectStream.AddSupportedType(typeof(ArticleInfoRequestEnvelope), typeof(ArticleInfoRequest).Name);
_messageObjectStream.AddSupportedType(typeof(ArticleInfoResponseEnvelope), typeof(ArticleInfoResponse).Name);
_messageObjectStream.AddSupportedType(typeof(ArticlePriceRequestEnvelope), typeof(ArticlePriceRequest).Name);
_messageObjectStream.AddSupportedType(typeof(ArticlePriceResponseEnvelope), typeof(ArticlePriceResponse).Name);
_messageObjectStream.AddSupportedType(typeof(ArticleSelectedMessageEnvelope), typeof(ArticleSelectedMessage).Name);
_messageObjectStream.AddSupportedType(typeof(ShoppingCartRequestEnvelope), typeof(ShoppingCartRequest).Name);
_messageObjectStream.AddSupportedType(typeof(ShoppingCartResponseEnvelope), typeof(ShoppingCartResponse).Name);
_messageObjectStream.AddSupportedType(typeof(ShoppingCartUpdateRequestEnvelope), typeof(ShoppingCartUpdateRequest).Name);
_messageObjectStream.AddSupportedType(typeof(ShoppingCartUpdateResponseEnvelope), typeof(ShoppingCartUpdateResponse).Name);
_messageObjectStream.AddSupportedType(typeof(ShoppingCartUpdateMessageEnvelope), typeof(ShoppingCartUpdateMessage).Name);
_messageObjectStream.AddSupportedType(typeof(StockInfoRequestEnvelope), typeof(StockInfoRequest).Name);
_messageObjectStream.AddSupportedType(typeof(StockInfoResponseEnvelope), typeof(StockInfoResponse).Name);
if (ProcessHandshake() == false)
{
Disconnect();
throw new ApplicationException("Processing WWKS protocol handshake failed.");
}
_messageDispatcher.Start(_messageObjectStream);
_shutdownThreadEvent = new ManualResetEvent(false);
// TODO: Implement ConnectionCheck.
//if (ThreadPool.QueueUserWorkItem(new WaitCallback(ConnectionCheck), _shutdownThreadEvent) == false)
//{
// Disconnect();
// throw new ApplicationException("Starting background connection check thread failed.");
//}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="WwksConverterStream"/> class.
/// </summary>
/// <param name="converterID">The identifier of the according converter.</param>
/// <param name="connection">The underlying connection to use.</param>
/// <param name="configuration">The converter configuration to use.</param>
public WwksConverterStream(int converterID, IConnection connection, WwksConverterConfiguration configuration)
{
if (connection == null)
{
throw new ArgumentException("Invalid connection specified.");
}
if (configuration == null)
{
throw new ArgumentException("Invalid configuration specified.");
}
_converterID = converterID;
_connection = connection;
_configuration = configuration;
_objectStream = new XmlObjectStream(_connection.ConnectionStream,
"WWKS",
_configuration.EnableMessageTrace ? connection.Category.ToString() : null,
_configuration.EnableMessageTrace ? connection.EndPoint : null);
// add WWKS message set
_objectStream.AddSupportedType(typeof(KeepAliveRequestEnvelope), typeof(KeepAliveRequest).Name);
_objectStream.AddSupportedType(typeof(KeepAliveResponseEnvelope), typeof(KeepAliveResponse).Name);
_objectStream.AddSupportedType(typeof(HelloRequestEnvelope), typeof(HelloRequest).Name);
_objectStream.AddSupportedType(typeof(HelloResponseEnvelope), typeof(HelloResponse).Name);
_objectStream.AddSupportedType(typeof(InputMessageEnvelope), typeof(InputMessage).Name);
_objectStream.AddSupportedType(typeof(InputRequestEnvelope), typeof(InputRequest).Name);
_objectStream.AddSupportedType(typeof(InputResponseEnvelope), typeof(InputResponse).Name);
_objectStream.AddSupportedType(typeof(StatusRequestEnvelope), typeof(StatusRequest).Name);
_objectStream.AddSupportedType(typeof(StatusResponseEnvelope), typeof(StatusResponse).Name);
_objectStream.AddSupportedType(typeof(StockInfoRequestEnvelope), typeof(StockInfoRequest).Name);
_objectStream.AddSupportedType(typeof(TaskCancelRequestEnvelope), typeof(TaskCancelRequest).Name);
_objectStream.AddSupportedType(typeof(TaskCancelResponseEnvelope), typeof(TaskCancelResponse).Name);
_objectStream.AddSupportedType(typeof(TaskInfoRequestEnvelope), typeof(TaskInfoRequest).Name);
_objectStream.AddSupportedType(typeof(TaskInfoResponseEnvelope), typeof(TaskInfoResponse).Name);
_objectStream.AddSupportedType(typeof(ArticleMasterSetResponseEnvelope), typeof(ArticleMasterSetResponse).Name);
_objectStream.AddSupportedType(typeof(StockDeliverySetResponseEnvelope), typeof(StockDeliverySetResponse).Name);
_objectStream.AddSupportedType(typeof(UnprocessedMessageEnvelope), typeof(UnprocessedMessage).Name);
if (_configuration.SmallMessageSet)
{
_objectStream.AddSupportedType(typeof(OutputRequestSmallSetEnvelope), typeof(OutputRequest).Name);
_objectStream.AddSupportedType(typeof(OutputResponseSmallSetEnvelope), typeof(OutputResponse).Name);
_objectStream.AddSupportedType(typeof(OutputMessageSmallSetEnvelope), typeof(OutputMessage).Name);
_objectStream.AddSupportedType(typeof(StockInfoResponseSmallSetEnvelope), typeof(StockInfoResponse).Name);
_objectStream.AddSupportedType(typeof(StockInfoMessageSmallSetEnvelope), typeof(StockInfoMessage).Name);
_objectStream.AddSupportedType(typeof(ArticleMasterSetRequestSmallSetEnvelope), typeof(ArticleMasterSetRequest).Name);
_objectStream.AddSupportedType(typeof(StockDeliverySetRequestSmallSetEnvelope), typeof(StockDeliverySetRequest).Name);
}
else
{
_objectStream.AddSupportedType(typeof(OutputRequestEnvelope), typeof(OutputRequest).Name);
_objectStream.AddSupportedType(typeof(OutputResponseEnvelope), typeof(OutputResponse).Name);
_objectStream.AddSupportedType(typeof(OutputMessageEnvelope), typeof(OutputMessage).Name);
_objectStream.AddSupportedType(typeof(StockInfoResponseEnvelope), typeof(StockInfoResponse).Name);
_objectStream.AddSupportedType(typeof(StockInfoMessageEnvelope), typeof(StockInfoMessage).Name);
_objectStream.AddSupportedType(typeof(ArticleMasterSetRequestEnvelope), typeof(ArticleMasterSetRequest).Name);
_objectStream.AddSupportedType(typeof(StockDeliverySetRequestEnvelope), typeof(StockDeliverySetRequest).Name);
_objectStream.AddSupportedType(typeof(InitiateInputMessageEnvelope), typeof(InitiateInputMessage).Name);
_objectStream.AddSupportedType(typeof(InitiateInputRequestEnvelope), typeof(InitiateInputRequest).Name);
_objectStream.AddSupportedType(typeof(InitiateInputResponseEnvelope), typeof(InitiateInputResponse).Name);
_objectStream.AddSupportedType(typeof(ConfigurationGetRequestEnvelope), typeof(ConfigurationGetRequest).Name);
_objectStream.AddSupportedType(typeof(ConfigurationGetResponseEnvelope), typeof(ConfigurationGetResponse).Name);
_objectStream.AddSupportedType(typeof(StockLocationInfoRequestEnvelope), typeof(StockLocationInfoRequest).Name);
_objectStream.AddSupportedType(typeof(StockLocationInfoResponseEnvelope), typeof(StockLocationInfoResponse).Name);
}
// digital shelf
_objectStream.AddSupportedType(typeof(ArticleInfoRequestEnvelope), typeof(ArticleInfoRequest).Name);
_objectStream.AddSupportedType(typeof(ArticleInfoResponseEnvelope), typeof(ArticleInfoResponse).Name);
_objectStream.AddSupportedType(typeof(ArticlePriceRequestEnvelope), typeof(ArticlePriceRequest).Name);
_objectStream.AddSupportedType(typeof(ArticlePriceResponseEnvelope), typeof(ArticlePriceResponse).Name);
_objectStream.AddSupportedType(typeof(ArticleSelectedMessageEnvelope), typeof(ArticleSelectedMessage).Name);
_objectStream.AddSupportedType(typeof(ShoppingCartRequestEnvelope), typeof(ShoppingCartRequest).Name);
_objectStream.AddSupportedType(typeof(ShoppingCartResponseEnvelope), typeof(ShoppingCartResponse).Name);
_objectStream.AddSupportedType(typeof(ShoppingCartUpdateMessageEnvelope), typeof(ShoppingCartUpdateMessage).Name);
_objectStream.AddSupportedType(typeof(ShoppingCartUpdateRequestEnvelope), typeof(ShoppingCartUpdateRequest).Name);
_objectStream.AddSupportedType(typeof(ShoppingCartUpdateResponseEnvelope), typeof(ShoppingCartUpdateResponse).Name);
if (configuration.EnableKeepAlive)
{
_keepAliveTimer = new Timer();
_keepAliveTimer.Elapsed += OnKeepAliveTimerElapsed;
_keepAliveTimer.Interval = (configuration.KeepAliveInterval > 0) ? configuration.KeepAliveInterval * 1000 : 1000;
_keepAliveTimer.Enabled = false;
}
}
