data: unknown，payload unknown about grpcdump

[jschwinger233]

Would you like to try grpcdump -p 24461 -r 20230710.pcap -f master.proto -m AUTO? The key is -m AUTO.

The reason why it didn't parse the data is that we missed the first packet which initiated the grpc stream and carried the hpack header compression info, therefore we can't parse the consequent traffic, unless we try our luck to do some guess, which is -m AUTO meant to do.

[jschwinger233]

Be aware that -m AUTO works on guess, so there could be mistakes happened, especially when multiple grpc messages are defined as exactly same data structure layout.

[jschwinger233]

Care to upload your pcap file and proto file for my investigation?

[binbinshi]

Good. Thank you very much. Got it