/// <summary>
/// Does the broad cast.
/// </summary>
/// <param name="reqMsg">The req MSG.</param>
/// <param name="handlers">The handlers.</param>
/// <returns>Is needed to clean null handlers</returns>
protected virtual bool DoBroadCast(RequestMessage reqMsg, Dictionary <Guid, ServiceRequestNotifyHandler> handlers)
{
bool needCleanHandlers = false;
List <Guid> clientIdList = new List <Guid>(handlers.Keys);
Random random = new Random();
int start = random.Next(handlers.Count);
for (int i = 0; i < handlers.Count; i++)
{
Guid tempClientId = clientIdList[(i + start) % handlers.Count];
ServiceRequestNotifyHandler tempHandler = handlers[tempClientId];
if (tempHandler != null)
{
try
{
IService service = ((Services.MessageRequestCallbackHandler)tempHandler.Target).Service;
if (OnLog != null)
{
OnLog("[" + DateTime.Now.ToString() + "] Notify service host: " + reqMsg.ServiceName + "[" + tempClientId.ToString() + "]");
}
tempHandler(reqMsg);
//if calling ok, skip other subscribers, easily exit loop
break;
}
catch (Exception ex)
{
if (OnLog != null)
{
OnLog("[" + DateTime.Now.ToString() + "] Service host: " + reqMsg.ServiceName + "[" + tempClientId.ToString() + "] shutdown! Reason: " + ex.ToString());
}
handlers[tempClientId] = null;
needCleanHandlers = true;
}
}
else
{
needCleanHandlers = true;
}
}
return(needCleanHandlers);
}
/// <summary>
/// Subscribes the service request.
/// </summary>
/// <param name="serviceName">Name of the service.</param>
/// <param name="clientId">The client id.</param>
/// <param name="handler">The handler.</param>
public void SubscribeServiceRequest(string serviceName, Guid clientId, ServiceRequestNotifyHandler handler)
{
if (handler == null)
{
return;
}
lock (onServiceRequests)
{
if (!onServiceRequests.ContainsKey(serviceName))
{
onServiceRequests.Add(serviceName, new Dictionary <Guid, ServiceRequestNotifyHandler>());
}
}
onServiceRequests[serviceName].Add(clientId, handler);
if (OnLog != null)
{
OnLog(string.Format("[" + DateTime.Now.ToString() + "] Added new service reqMsg subscribing: {0}[{1}]", serviceName, clientId));
}
}
