Hey all,
I'm having a hard time to set the service_config on my server side and have
it received by a client. I'm testing it in a small playground project and
am currently out of ideas in how to get this working. Rough project setup
and findings:
OS: linux, gRPC: v.160, v.1.58
*Server:*
~~~
const auto serviceConfig = readFile("service_config.json");
builder.AddChannelArgument(GRPC_ARG_SERVICE_CONFIG, *serviceConfig);
*Client:*
*~~~*
const auto channel = grpc::CreateChannel(Address.data(),
grpc::InsecureChannelCredentials());
std::cout << std::format("Server config: \n{}\n",
channel->GetServiceConfigJSON());
Client client(channel);
client.sstream(10);
*Client c-ares logs:*
[polling resolver 0x55eb2c40a410] request complete
[polling resolver 0x55eb2c40a410] returning result: addresses=<2
addresses>, service_config=<null>
chand=0x55eb2c406d80: got resolver result
chand=0x55eb2c406d80: resolver returned no service config. Using default
service config for channel.
chand=0x55eb2c406d80: using service config: "{}"
As to my understanding setting it via *GRPC_ARG_SERVICE_CONFIG *should be
all it
takes. Logs from c-ares look fine in general but it still can't find the
service_config. I've been
playing around with various settings but no luck :(
Didn't want to pollute the chat here:
client logs: https://pastebin.com/sFq8FyWa
server logs: https://pastebin.com/HA54iAAw
relevant code: https://pastebin.com/u6bigcAj
Any help or pointer to an example/test would be greatly appreciated. Maybe
i've just not understood something
best,
Dennis
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