// .split broker client_msg method
// Process a request coming from a client. We implement MMI requests
// directly here (at present, we implement only the mmi.service request):
public void ClientMsg(ZFrame sender, ZMessage msg)
{
// service & body
if (msg.Count < 2)
{
throw new InvalidOperationException();
}
using (ZFrame serviceFrame = msg.Pop())
{
Service service = RequireService(serviceFrame);
// Set reply return identity to client sender
msg.Wrap(sender.Duplicate());
//if we got a MMI Service request, process that internally
if (serviceFrame.Length >= 4 &&
serviceFrame.ToString().StartsWith("mmi."))
{
string returnCode;
if (serviceFrame.ToString().Equals("mmi.service"))
{
string name = msg.Last().ToString();
returnCode = Services.ContainsKey(name) &&
Services[name].Workers > 0
? "200"
: "404";
}
else
{
returnCode = "501";
}
var client = msg.Unwrap();
msg.Clear();
msg.Add(new ZFrame(returnCode));
msg.Prepend(serviceFrame);
msg.Prepend(new ZFrame(MdpCommon.MDPC_CLIENT));
msg.Wrap(client);
Socket.Send(msg);
}
else
{
// Else dispatch the message to the requested Service
service.Dispatch(msg);
}
}
}
// .split broker client_msg method
// Process a request coming from a client. We implement MMI requests
// directly here (at present, we implement only the mmi.service request):
public void ClientMsg(ZFrame sender, ZMessage msg)
{
// service & body
if(msg.Count < 2)
throw new InvalidOperationException();
using (ZFrame serviceFrame = msg.Pop())
{
Service service = RequireService(serviceFrame);
// Set reply return identity to client sender
msg.Wrap(sender.Duplicate());
//if we got a MMI Service request, process that internally
if (serviceFrame.Length >= 4
&& serviceFrame.ToString().StartsWith("mmi."))
{
string returnCode;
if (serviceFrame.ToString().Equals("mmi.service"))
{
string name = msg.Last().ToString();
returnCode = Services.ContainsKey(name)
&& Services[name].Workers > 0
? "200"
: "404";
}
else
returnCode = "501";
var client = msg.Unwrap();
msg.Clear();
msg.Add(new ZFrame(returnCode));
msg.Prepend(serviceFrame);
msg.Prepend(new ZFrame(MdpCommon.MDPC_CLIENT));
msg.Wrap(client);
Socket.Send(msg);
}
else
{
// Else dispatch the message to the requested Service
service.Dispatch(msg);
}
}
}
// .split broker client_msg method
// Process a request coming from a client. We implement MMI requests
// directly here (at present, we implement only the mmi.service request):
public void ClientMsg(ZFrame sender, ZMessage msg)
{
// service & body
if(msg.Count < 2)
throw new InvalidOperationException();
using (ZFrame serviceFrame = msg.Pop())
{
Service service = RequireService(serviceFrame);
// Set reply return identity to client sender
msg.Wrap(sender.Duplicate());
//if we got a MMI Service request, process that internally
if (serviceFrame.Length >= 4
&& serviceFrame.ToString().StartsWith("mmi."))
{
string returnCode;
if (serviceFrame.ToString().Equals("mmi.service"))
{
string name = msg.Last().ToString();
returnCode = Services.ContainsKey(name)
&& Services[name].Workers > 0
? "200"
: "400";
}
else
returnCode = "501";
using (var resetableFrame = msg.Pop())
{
msg.Prepend(new ZFrame(returnCode));
}
//ToDo check c implementation
throw new NotImplementedException("ToDo: fix this section, never tested. contains errors mmi services never called with the mdclient/mdbroker/mdworker examples");
//## following code has some errors
// Remove & save client return envelope and insert the
// protocol header and Service name, then rewrap envelope.
ZFrame client = msg.Unwrap();
msg.Prepend(serviceFrame);
msg.Prepend(new ZFrame(MdpCommon.MDPC_CLIENT));
msg.Wrap(client);
Socket.Send(msg);
}
else
{
// Else dispatch the message to the requested Service
service.Dispatch(msg);
}
}
}
