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authorKonstantin Käfer <mail@kkaefer.com>2017-08-01 16:00:48 (GMT)
committerKonstantin Käfer <mail@kkaefer.com>2017-08-08 10:40:38 (GMT)
commitf0a7c45064c3ce3f509b1c2035fcaa07ccc35a99 (patch)
tree5813cfe2fd8e72cbf06f45990351b7412146c398 /include
parent68f470fdda4e31d7704fba3e41bb2f899db39541 (diff)
downloadqtlocation-mapboxgl-f0a7c45064c3ce3f509b1c2035fcaa07ccc35a99.tar.gz
[core] finish must-revalidate support
Diffstat (limited to 'include')
-rw-r--r--include/mbgl/storage/resource.hpp1
-rw-r--r--include/mbgl/storage/response.hpp10
2 files changed, 11 insertions, 0 deletions
diff --git a/include/mbgl/storage/resource.hpp b/include/mbgl/storage/resource.hpp
index 7e9ced8..5d44f48 100644
--- a/include/mbgl/storage/resource.hpp
+++ b/include/mbgl/storage/resource.hpp
@@ -68,6 +68,7 @@ public:
optional<Timestamp> priorModified = {};
optional<Timestamp> priorExpires = {};
optional<std::string> priorEtag = {};
+ std::shared_ptr<const std::string> priorData;
};
} // namespace mbgl
diff --git a/include/mbgl/storage/response.hpp b/include/mbgl/storage/response.hpp
index 32fe4e0..711f008 100644
--- a/include/mbgl/storage/response.hpp
+++ b/include/mbgl/storage/response.hpp
@@ -27,6 +27,10 @@ public:
// This is set to true for 304 Not Modified responses.
bool notModified = false;
+ // This is set to true when the server requested that no expired resources be used by
+ // specifying "Cache-Control: must-revalidate".
+ bool mustRevalidate = false;
+
// The actual data of the response. Present only for non-error, non-notModified responses.
std::shared_ptr<const std::string> data;
@@ -37,6 +41,12 @@ public:
bool isFresh() const {
return expires ? *expires > util::now() : !error;
}
+
+ // Indicates whether we are allowed to use this response according to HTTP caching rules.
+ // It may or may not be stale.
+ bool isUsable() const {
+ return !mustRevalidate || (expires && *expires > util::now());
+ }
};
class Response::Error {