public override async Task Subscribe(Empty request, IServerStreamWriter <Message> responseStream, ServerCallContext context)
{
while (true)
{
if (_chatProvider.GetMessage() != string.Empty && _chatProvider.GetMessage() != null)
{
await responseStream.WriteAsync(new Message { Text = $"Send Message : {_chatProvider.GetMessage()}" });
_chatProvider.SetMessage(string.Empty);
}
}
}
