/// <summary>
/// Creates the channel for the new service, and sets the proxy server.
/// </summary>
/// <param name="config">The configuration.</param>
/// <returns>The new channel.</returns>
private Channel CreateChannel(GoogleAdsConfig config)
{
if (config.Proxy == null)
{
Environment.SetEnvironmentVariable("http_proxy", null);
}
else
{
Environment.SetEnvironmentVariable("http_proxy", config.Proxy.Address.ToString());
}
// GRPC uses c-ares DNS resolver, which doesn't seem to work on some Windows machines.
// Turn it off for now.
// https://github.com/googleads/google-ads-dotnet/issues/59
Environment.SetEnvironmentVariable("GRPC_DNS_RESOLVER", "native");
return(CachedChannelFactory.GetChannel(config));
}