Let's say I have compiled an application (Receiver) with the following
proto file:
syntax = "proto3";
message Control {
bytes version = 1;
uint32 id = 2;
bytes color = 3;
}
and I have another application (Transmitter) which initially has the same
proto file but after an update a new field is added like:
syntax = "proto3";
message Control {
bytes name = 1;
uint32 id = 2;
bytes color = 3;
uint32 color_id = 4;
}
I have seen that if the Receiver app tries to parse the proto, change some
data and then serialize it back the added fields coming from the
Transmitter app are removed.
I need a way to change the id field directly accessing to the raw bytes
without having to parse/serialize the proto. Is it possible ?
This is needed because I have some "header" fields in the Control message
that I know that will never be changed but others that can be added/changed
in the same proto of trasmitter app due to app update.
Thanks in advance
Asta
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