/// <summary>
/// Send a message to broker
/// if no message provided create a new empty one
/// prepend the message with the MDP prologue
/// </summary>
/// <param name="mdpCommand">MDP command</param>
/// <param name="data">data to be sent</param>
/// <param name="message">the message to send</param>
private void Send(MDPCommand mdpCommand, string data, NetMQMessage message)
{
// cmd, null, message -> [REPLY],<null>,[client adr][e][reply]
// cmd, string, null -> [READY],[service name]
// cmd, null, null -> [HEARTBEAT]
var msg = ReferenceEquals(message, null) ? new NetMQMessage() : message;
// protocol envelope according to MDP
// last frame is the data if available
if (!ReferenceEquals(data, null))
{
// data could be multiple whitespaces or even empty(!)
msg.Push(data);
}
// set MDP command ([client adr][e][reply] OR [service]) => [data]
msg.Push(new[] { (byte)mdpCommand }); // [command][header][data]
// set MDP Header
msg.Push(m_mdpWorker); // [header][data]
// set MDP empty frame as separator
msg.Push(NetMQFrame.Empty); // [e][command][header][data]
//Log ($"[WORKER] sending msg to broker / Command {mdpCommand}");
m_worker.SendMultipartMessage(msg);
}
/// <summary>
/// sends a message to a specific worker with a specific command
/// and add an option option
/// </summary>
private void WorkerSend (Worker worker, MDPCommand command, NetMQMessage message, string option = null)
{
var msg = message ?? new NetMQMessage ();
// stack protocol envelope to start of message
if (!ReferenceEquals (option, null))
msg.Push (option);
msg.Push (new[] { (byte) command });
msg.Push (MDPConstants.MDP_WORKER_HEADER);
// stack routing envelope
var request = Wrap (worker.Identity, msg);
DebugLog ($"Sending {request}");
// send to worker
Socket.SendMultipartMessage (request);
}
/// <summary>
/// sends a message to a specific worker with a specific command
/// and add an option option
/// </summary>
private void WorkerSend(Worker worker, MDPCommand command, NetMQMessage message, string option = null)
{
var msg = message ?? new NetMQMessage();
// stack protocol envelope to start of message
if (!ReferenceEquals(option, null))
{
msg.Push(option);
}
msg.Push(new[] { (byte)command });
msg.Push(MDPWorkerHeader);
// stack routing envelope
var request = Wrap(worker.Identity, msg);
DebugLog(string.Format("Sending {0}", request));
// send to worker
Socket.SendMessage(request);
}
/// <summary>
/// sends a message to a specific worker with a specific command
/// and add an option option
/// </summary>
private void WorkerSend (Worker worker, MDPCommand command, NetMQMessage message, string option = null)
{
var msg = message ?? new NetMQMessage ();
// stack protocol envelope to start of message
if (!ReferenceEquals (option, null))
msg.Push (option);
msg.Push (new[] { (byte) command });
msg.Push (MDPWorkerHeader);
// stack routing envelope
var request = Wrap (worker.Identity, msg);
DebugLog (string.Format ("Sending {0}", request));
// send to worker
Socket.SendMessage (request);
}
/// <summary>
/// Send a message to broker
/// if no message provided create a new empty one
/// prepend the message with the MDP prologue
/// </summary>
/// <param name="mdpCommand">MDP command</param>
/// <param name="data">data to be sent</param>
/// <param name="message">the message to send</param>
private void Send(MDPCommand mdpCommand, string data, NetMQMessage message)
{
// cmd, null, message -> [REPLY],<null>,[client adr][e][reply]
// cmd, string, null -> [READY],[service name]
// cmd, null, null -> [HEARTBEAT]
var msg = ReferenceEquals(message, null) ? new NetMQMessage() : message;
// protocol envelope according to MDP
// last frame is the data if available
if (!ReferenceEquals(data, null))
{
// data could be multiple whitespaces or even empty(!)
msg.Push(data);
}
// set MDP command ([client adr][e][reply] OR [service]) => [data]
msg.Push(new[] { (byte)mdpCommand }); // [command][header][data]
// set MDP Header
msg.Push(m_mdpWorker); // [header][data]
// set MDP empty frame as separator
msg.Push(NetMQFrame.Empty); // [e][command][header][data]
Log(string.Format("[WORKER] sending {0} to broker / Command {1}", msg, mdpCommand));
m_worker.SendMessage(msg);
}
/// <summary>
/// sends a message to a specific worker with a specific command
/// and add an option option
/// </summary>
private void WorkerSend (Worker worker, MDPCommand command, NetMQMessage message, string option = null)
{
var msg = message ?? new NetMQMessage ();
// stack protocol envelope to start of message
if (!ReferenceEquals (option, null))
msg.Push (option);
msg.Push (new[] { (byte) command });
msg.Push (MDPConstants.MDP_WORKER_HEADER);
// stack routing envelope
var request = Wrap (worker.Identity, msg);
DebugLog ($"Sending {request}");
// send to worker
Socket.SendMultipartMessage (request);
}
