/// <summary>
/// After connection, PhidgetServer and PhidgetClient must call AfterConnect.
/// Put them in cache
/// If of type PhidgetServer
/// Signal the new PhidgetServer connection to all PhidgetClient.
/// If of type PhidgetClient
/// Join it the PhidgetClient group.
/// </summary>
/// <param name="signalRClient">PhidgetClient or PhidgetServer</param>
public void AfterConnect(SignalRClientDetails signalRClient)
{
MyTrace(string.Format("AfterConnect({0})", signalRClient.MachineName));
// Proceed SignalRClient initilization began on client side and cache it in a list.
var caller = new SignalRClientDetails
{
ConnectionId = Context.ConnectionId,
IPAddress = signalRClient.IPAddress,
MachineName = signalRClient.MachineName,
};
switch (signalRClient.SignalRClientTypeConnected)
{
case SignalRClientType.PhidgetServer:
// A PhidgetServer had PhidgetModule attached to USB port.
caller.PhidgetModuleTypeAttached = signalRClient.PhidgetModuleTypeAttached;
// Add signalRClient to ConnectedPhidgetServers list.
lock (ConnectedPhidgetServers)
{
ConnectedPhidgetServers.Add(caller);
}
// Signal the new PhidgetServer connection to all PhidgetClient.
MyTrace(string.Format("onNewPhidgetServerConnect: {0} / {1}", SignalRClientType.PhidgetClient, caller.MachineName));
Clients.Group(SignalRClientType.PhidgetClient).onNewPhidgetServerConnect(caller);
break;
case SignalRClientType.PhidgetClient:
// Add signalRClient to ConnectedPhidgetClients list.
lock (ConnectedPhidgetClients)
{
ConnectedPhidgetClients.Add(caller);
}
// Join signalRClient to "PhidgetClient" group.
JoinPhidgetClientGroup();
// Send the ConnectedPhidgetServers list to this new PhidgetClient.
if (ConnectedPhidgetServers.Count != 0)
{
MyTrace(string.Format("showPhidgetServerList: {0}", ConnectedPhidgetServers[0].MachineName));
Clients.Caller.showPhidgetServerList(ConnectedPhidgetServers);
}
break;
default:
break;
}
}
/// <summary>
/// Called by PhidgetServer to signal changes to all PhidgetClient attached to him.
/// </summary>
/// <param name="phidgetServer"></param>
/// <param name="data"></param>
public void SendToPhidgetClients(SignalRClientDetails phidgetServer, dynamic data)
{
MyTrace(string.Format("SendToPhidgetClients({0},{1})", phidgetServer.MachineName, data.ToString()));
// Retrieve PhidgetServer object.
//var fromPhidgetServer = ConnectedPhidgetServers.Find(pc => pc.ConnectionId == phidgetServerID);
// Send data to the group.
MyTrace(string.Format("show: {0} / {1}", phidgetServer.MachineName, data.ToString()));
Clients.Group(phidgetServer.MachineName).show(data);
}
/// <summary>
/// TODO: If convenient, remove the PhidgetClient caller from phidgetServerSelectedOld group.
/// Join the caller to the phidgetServerSelected Group.
/// Ask to phidgetServerSelected to push data to the caller.
/// </summary>
/// <param name="phidgetServerSelected"></param>
public void OnPhidgetServerSelected(SignalRClientDetails phidgetServerSelected)
{
MyTrace(string.Format("OnPhidgetServerSelected({0})", phidgetServerSelected.MachineName));
// Find caller PhidgetClient object.
var phidgetClientIndex = ConnectedPhidgetClients.FindIndex(cpc => cpc.ConnectionId == Context.ConnectionId);
// If caller is yet in a PhidgetServer group, remove it from that group.
if (ConnectedPhidgetClients[phidgetClientIndex].PhidgetServerGroupAttachement != null)
{
// We remove the PhidgetClient caller from it's old phidgetServer group.
LeavePhidgetServerGroup(ConnectedPhidgetClients[phidgetClientIndex].PhidgetServerGroupAttachement);
// Remove PhidgetServer group for the caller.
ConnectedPhidgetClients[phidgetClientIndex].PhidgetServerGroupAttachement = null;
MyTrace(string.Format("LeavePhidgetServerGroup: {0} / {1}", phidgetServerSelected.MachineName, Context.ConnectionId));
}
// Store PhidgetServer group for the caller.
ConnectedPhidgetClients[phidgetClientIndex].PhidgetServerGroupAttachement = phidgetServerSelected.MachineName;
// TODO: We join the caller to phidgetServerSelected group.
JoinPhidgetServerGroup(phidgetServerSelected.MachineName);
// Ask to phidgetServerSelected to push data to the caller.
// We call phidgetServerSelected get method to retreive data.
// get must then call SendToPhidgetClient to push data to this PhidgetClient.
MyTrace(string.Format("get: {0} / {1}", phidgetServerSelected.ConnectionId, Context.ConnectionId));
Clients.Client(phidgetServerSelected.ConnectionId).get(Context.ConnectionId);
}
/// <summary>
/// PhidgetClient call SetByPhidgetClient to set phidgetServer outputs.
/// PhidgetServer must signal changes to all PhidgetClient attached to him.
/// </summary>
public void SetByPhidgetClient(SignalRClientDetails phidgetServer, dynamic data)
{
MyTrace(string.Format("SetByPhidgetClient({0},{1})", phidgetServer, data.ToString()));
// PhidgetMiddlewareServer call phidgetServer set method to set phidgetServer outputs.
// PhidgetServer must then call SendToPhidgetClients to signal changes to all PhidgetClient attached to him.
MyTrace(string.Format("set: {0} / {1}", phidgetServer.ConnectionId, data.ToString()));
Clients.Client(phidgetServer.ConnectionId).set(data);
}
/// <summary>
/// Init PhidgetServer Informations.
/// </summary>
private void InitPhidgetServerInformations()
{
Console.WriteLine("InitPhidgetServerInformations");
_phidgetServerDetails = new SignalRClientDetails
{
MachineName = System.Environment.MachineName,
IPAddress = GetMyIpAddress(),
SignalRClientTypeConnected = SignalRClientType.PhidgetServer,
PhidgetModuleTypeAttached = _phidgetModuleType,
};
}
