lib::error_code extract_subprotocols(request_type const & req,
std::vector<std::string> & subprotocol_list)
{
if (!req.get_header("Sec-WebSocket-Protocol").empty()) {
http::parameter_list p;
if (!req.get_header_as_plist("Sec-WebSocket-Protocol",p)) {
http::parameter_list::const_iterator it;
for (it = p.begin(); it != p.end(); ++it) {
subprotocol_list.push_back(it->first);
}
} else {
return error::make_error_code(error::subprotocol_parse_error);
}
}
return lib::error_code();
}
