public static async Task <T> InvokeUntilOK <T>(this IHubProxy hub, HubConnection conn, string method, params object[] args)
{
try
{
return(await hub.Invoke <T>(method, args));
}
catch (InvalidOperationException)
{
while (conn.State != ConnectionState.Connected)
{
await Task.Delay(1000);
}
return(await hub.InvokeUntilOK <T>(conn, method, args));
}
}
public async Task <List <HubClientSession> > GetCurrentList()
{
var method = nameof(IClientStatusHub.GetCurrentList);
return(await _hub.InvokeUntilOK <List <HubClientSession> >(_conn, method));
}
