/// <summary>
/// Serializes a message to send to NGRID server from Web Service.
/// </summary>
/// <param name="responseMessage">Message to serialize</param>
/// <returns>Serialized message</returns>
public static byte[] SerializeMessage(IWebServiceResponseMessage responseMessage)
{
CheckResponseMessage(responseMessage);
var response = ((ResponseMessage)responseMessage).CreateDataTransferResponseMessage();
return(NGRIDSerializationHelper.SerializeToByteArray(response));
}
/// <summary>
/// Sends a ControlMessage to NGRID server.
/// </summary>
/// <param name="message">Message to send</param>
public void SendMessage(ControlMessage message)
{
SendMessageInternal(new NGRIDControllerMessage
{
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
ControllerMessageTypeId = message.MessageTypeId
});
}
/// <summary>
/// Sends a message to a spesific communicator as a reply to an incoming message.
/// </summary>
/// <param name="communicator">Communicator to send message</param>
/// <param name="message">Message to send</param>
/// <param name="incomingMessage">Incoming message which is being replied</param>
private void ReplyMessageToCommunicator(ICommunicator communicator, ControlMessage message, NGRIDControllerMessage incomingMessage)
{
//Create NGRIDControllerMessage that includes serialized GetApplicationListResponseMessage message
var outgoingMessage = new NGRIDControllerMessage
{
ControllerMessageTypeId = message.MessageTypeId,
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
RepliedMessageId = incomingMessage.MessageId
};
//Send message to communicator that sent to message
SendMessage(outgoingMessage, communicator);
}
/// <summary>
/// Saves a NGRIDMessageRecord.
/// </summary>
/// <param name="messageRecord">NGRIDMessageRecord object to save</param>
/// <returns>Auto Increment Id of saved message</returns>
public int StoreMessage(NGRIDMessageRecord messageRecord)
{
var bytesOfMessage = NGRIDSerializationHelper.SerializeToByteArray(messageRecord.Message);
var id = InsertAndGetLastId(
"INSERT INTO messages(MessageId, DestServer, NextServer, DestApplication, MessageData, MessageDataLength, RecordDate) VALUES(?,?,?,?,?,?,now());",
new OdbcParameter("?MessageId", messageRecord.MessageId),
new OdbcParameter("?DestServer", messageRecord.DestServer),
new OdbcParameter("?NextServer", messageRecord.NextServer),
new OdbcParameter("?DestApplication", messageRecord.DestApplication),
new OdbcParameter("?MessageData", bytesOfMessage),
new OdbcParameter("?MessageDataLength", bytesOfMessage.Length)
);
messageRecord.Id = id;
return(id);
}
/// <summary>
/// Saves a NGRIDMessageRecord.
/// </summary>
/// <param name="messageRecord">NGRIDMessageRecord object to save</param>
/// <returns>Auto Increment Id of saved message</returns>
public int StoreMessage(NGRIDMessageRecord messageRecord)
{
lock (_syncObj)
{
var bytesOfMessage = NGRIDSerializationHelper.SerializeToByteArray(messageRecord.Message);
var id = InsertAndGetLastId(
"INSERT INTO messages(MessageId, DestServer, NextServer, DestApplication, MessageData, MessageDataLength, RecordDate) VALUES(@MessageId,@DestServer,@NextServer,@DestApplication,@MessageData,@MessageDataLength,@RecordDate);",
new SQLiteParameter("@MessageId", messageRecord.MessageId),
new SQLiteParameter("@DestServer", messageRecord.DestServer),
new SQLiteParameter("@NextServer", messageRecord.NextServer),
new SQLiteParameter("@DestApplication", messageRecord.DestApplication),
new SQLiteParameter("@MessageData", bytesOfMessage),
new SQLiteParameter("@MessageDataLength", bytesOfMessage.Length),
new SQLiteParameter("@RecordDate", DateTime.Now)
);
messageRecord.Id = id;
return(id);
}
}
/// <summary>
/// Sends a ControlMessage to NGRID server and gets it's response message.
/// </summary>
/// <param name="message">Message to send</param>
/// <returns>Response message from server</returns>
public ControlMessage SendMessageAndGetResponse(ControlMessage message)
{
//Create a WaitingMessage to wait and get response message and add it to waiting messages
var outgoingMessage = new NGRIDControllerMessage
{
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
ControllerMessageTypeId = message.MessageTypeId
};
var waitingMessage = new WaitingMessage();
lock (_waitingMessages)
{
_waitingMessages[outgoingMessage.MessageId] = waitingMessage;
}
try
{
//Send message to the server
SendMessageInternal(outgoingMessage);
//Wait until thread is signalled by another thread to get response (Signalled by CommunicationChannel_MessageReceived method)
waitingMessage.WaitEvent.WaitOne(TimeSpan.FromSeconds(90));
//Check if response received or timeout occured
if (waitingMessage.ResponseMessage == null)
{
throw new NGRIDException("Timeout occured. Response message did not received.");
}
return(DeserializeControlMessage(waitingMessage.ResponseMessage));
}
finally
{
//Remove message from waiting messages
lock (_waitingMessages)
{
if (_waitingMessages.ContainsKey(outgoingMessage.MessageId))
{
_waitingMessages.Remove(outgoingMessage.MessageId);
}
}
}
}
/// <summary>
/// Sends a ControlMessage to all connected NGRIDController instances.
/// </summary>
/// <param name="message">Message to send</param>
private void SendMessageToAllReceivers(ControlMessage message)
{
var outgoingMessage = new NGRIDControllerMessage
{
ControllerMessageTypeId = message.MessageTypeId,
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message)
};
var receivers = GetAllReceiverCommunicators();
foreach (var receiver in receivers)
{
try
{
SendMessage(outgoingMessage, receiver);
}
catch (Exception ex)
{
Logger.Warn(ex.Message, ex);
}
}
}