/// <summary>
/// Add a client to subscription list
/// </summary>
/// <param name="clientId"></param>
/// <returns></returns>
public AsyncMethodResponse Subscribe(Guid clientId)
{
try
{
Guid newClientId = clientId;
if (newClientId == Guid.Empty)
{
newClientId = Guid.NewGuid();
}
IServerAdminCallback callback = OperationContext.Current.GetCallbackChannel <IServerAdminCallback>();
ClientProxy clientProxy = new ClientProxy(newClientId, callback);
lock (subscribers)
{
ClientProxy existingClientProxy;
if (clientId != Guid.Empty)
{
subscribers.TryGetValue(clientId, out existingClientProxy);
}
else
{
existingClientProxy = null;
}
if (existingClientProxy == null)
{
subscribers[newClientId] = clientProxy;
}
else
{
existingClientProxy.AssignNewCallback(callback);
List <KeyValuePair <PublishEventArgs, PublishEventHandler> > pendingList = existingClientProxy.PopPendingMessageList();
if (pendingList != null)
{
Dictionary <Guid, ClientProxy> targetClientProxyMap = new Dictionary <Guid, ClientProxy>();
targetClientProxyMap[existingClientProxy.ClientId] = existingClientProxy;
foreach (KeyValuePair <PublishEventArgs, PublishEventHandler> pair in pendingList)
{
Publish(targetClientProxyMap, true, pair.Key, pair.Value);
}
}
}
}
AsyncMethodResponse response = new AsyncMethodResponse(newClientId, null);
return(response);
}
catch (Exception ex)
{
AsyncMethodResponse errorResponse = new AsyncMethodResponse(clientId, null);
errorResponse.AddError(ex.Message, ErrorCode.Fatal);
return(errorResponse);
}
}
public IServerAdminApi GetServerAdminApi(IServerAdminCallback callback)
{
_adminCallback = callback;
return(_marshaller.Get <IServerAdminApi>());
}
/// <summary>
///
/// </summary>
/// <param name="callback"></param>
public void AssignNewCallback(IServerAdminCallback callback)
{
this.CallBack = callback;
}
//message sequenceId
/// <summary>
///
/// </summary>
/// <param name="clientId"></param>
/// <param name="callBack"></param>
public ClientProxy(Guid clientId, IServerAdminCallback callBack)
{
this.ClientId = clientId;
this.CallBack = callBack;
this.pendingMessageList = new List <KeyValuePair <PublishEventArgs, PublishEventHandler> >();
}