ipc using grpc idl between go and flutter
| cmd | info | direction | ||
|---|---|---|---|---|
| 1 | unary call request | |||
| 1 & rpccmd.res>0 | unary call response | |||
| 2 | no care unary call | client to server | ||
| 2 | server send response headers to client | |||
| 3 | client stream call setup | |||
| 3 & rpccmd.res>0 | client stream call setup response | |||
| 4 | client cancel rpc call | |||
| 5 | client stream send next req | |||
| 5 & rpccmd.res>0 | server response receive client req | |||
| 6 | client send rpc finished | |||
| 6 & rpccmd.res>0 | server response receive client finished | |||
| 7 | server stream call setup | |||
| 7 & rpccmd.res>0 | server stream call setup response | |||
| 8 | bidi stream call setup | |||
| 8 & rpccmd.res>0 | bidi stream call setup response | |||
| 12 | server send response to client | |||
| 13 | server stream finished | |||
| 14 | client & server ping each other |
if rpccmd is request type , rpccmd.body is request message. if rpccmd is response type, rpccmd.body is response message; if 400<=rpccmd.res<=599, it means an error occured, ref http status code.