@Override
    public void connect() {
        if (isAvailable()) {
            return;
        }
        ProviderInfo providerInfo = transportConfig.getProviderInfo();
        channel = getSharedChannel(providerInfo);
        tripleClientInvoker = buildClientInvoker();
    }
The constructor

@param transportConfig transport config
remoting/remoting-triple/src/main/java/com/alipay/sofa/rpc/transport/triple/TripleClientTransport.java