At the moment this a basic_client::get() request from my branch, which
is working off the trunk interface:
response const get( basic_request<tag> const & request_, const
connection_type connection=persistent
) {
return request_policy::sync_process
(request_, "GET", true, follow_redirect_, connection,
*connection_supplier_);
};
Concerning that, I'm not satisfied with the way errors are handled (or
lack there-of). Some errors can be coped with and still complete the
request; others can't. The question is how to handle the former.
My solution is to differ that choice to the user on a per request basis.
This would be used to express certain server deviations from a protocol
standard:
IE:
//rfc1945_extended is a request_policy based off the http 1.0 spec
struct rfc1945_extended::response_deviation {
//IE: the request would still continue even if the server didn't
acknowledge persistence or non-persistence, or provided a
Connection:
not in accordance with the specification
bool allow_incorrect_persistence;
bool allow_version_mismatch;
bool allow_missing_whatever_header;
...
};
...
response const get(const response_deviation&, const
std::stack<boost::error_code>& ...)
This makes a throw depend on a deviation. In any case, errors up to that
point are still pushed to the stack which, with a response fragment,
would accompany the exception.
Dean has also personally suggested an interface similar to this to
toggle on/off throw, which I have modified for purposes of this
discussion:
std::stack<boost::system::error_code> errors;
http::response response;
http::rfc1945_extended::response_deviation deviation(..);
tie(response, errors) = client.get(request, deviation, http::nothrow);
Questions and comments welcome.
John
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