RFC: smart server protocol change for 0.16
robertc at robertcollins.net
Wed Apr 11 10:58:05 BST 2007
One of the things I noticed while hacking on RemoteGraph was that error
handling really needs to be improved a little. After chatting with
Martin, we agreed that a nice improvement to the protocol would be that
all responses have a success/fail prefix.
That is, rather than using 'ok' for boolean results and 'resultX' for
non boolean, we'd return responses like:
for success, and
'error', 'ErrorClass', ...
This would make it unambigous about whether a given result is an error
or not, and allow us to centralise the error handling as it would no
longer be per-verb.
If we do this consistently, its a API break - but I think its a
worthwhile one. We could add synonyms for all the current verbs which
return the older style reponses, but personally I dont think thats worth
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