Sorry for the late answer.
As you can said, it can be checked by sending a simple test rpc. Or you can
do by monitoring the state of channel via WaitForStateChange method after
making the channel start to connect by calling channel->GetState(true) .
On Thursday, October 22, 2020 at 12:27:37 PM UTC-7 christo...@gmail.com
wrote:
> How can I check if the RPC client actually made a successfull connection
> to the RPC server when I create the channel and stub?
>
> I want to be able to throw an exception or signal if the connection
> failed. I am not sure what method qualifies as an "operation" to try here.
> I don't want to make any of the RPC calls that we defined, as they all have
> effects that will occur....unless the only option is to go implement some
> "Hi I am here" RPC method, but that seems silly, no?
> void ChatSyncClient::connect(QUrl const& endpoint)
> {
> disconnect();
> // TODO - How do we tell if this fails?
> // The comments say a lame channel will be returned, where all
> operations fail
> // How are we suppose to check right here rather than later?
> auto channel =
> ::grpc::CreateChannel(endpoint.toString().toStdString(),
> ::grpc::InsecureChannelCredentials());
> m_stub = std::make_unique<chat_sync::Chat::Stub>(channel);
> emit signalOnConnected();
> }
>
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