gRPC框架和protobuf

protobuf

gRPC

同步gRPC

http://doc.oschina.net/grpc?t=61534

异步gRPC

异步gRPC通过completion_queue(消息队列)来实现

https://grpc.github.io/grpc/cpp/classgrpc_1_1_completion_queue.html

异步多线程gRPC

1. https://blog.csdn.net/tigerlaugod/article/details/53636418