Did you use the automatically-generated abstract service code, or
did you do the recently recommended make your own code-generator
plugin to do the implementation?
What do you think of these 2 alternatives?
On Aug 27, 3:43 pm, Evan Jones ev...@mit.edu wrote:
Navigateur wrote:
So, say I took a Java implementation from somewhere, and a C++
implementation from somewhere else, and a C# implementation from
somewhere else, would they just easily inter-work (say if I specified
the same transport channel or something)?
Almost certainly not. While the service definitions and the data format
are defined by the protobuf library, an RPC implementation needs to pass
some additional data between the end points (eg. what method to invoke,
potentially other options). The format of this data is not specified, so
implementations are incompatible.
If not, is it easy to make them inter-work? Is it a good idea or
practical to try to do so? If so, what are the basic steps?
I suspect it wouldn't be very difficult. Mostly it would be an issue of
having a bunch of implementors agree on a wire protocol. However, as a
third party, I suspect it would be hard, since you won't understand the
protocol.
I think part of the issue is that most people roll their own
interchange protocol on top of protocol buffers, since it is pretty easy
to do. However, if you want a ready to use RPC system, protocol
buffers aren't your best choice.
That said: If you are desperate and willing to put in some effort, I
have a C++ and Java implementation of the protocol buffers RPC
interfaces that I've been using. It isn't the best thing in the world,
and you'll need to put in some effort to get it to work in some other
project, but it is available under a BSD license.
Hope this helps,
Evan
--
Evan Joneshttp://evanjones.ca/
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