1 files changed, 66 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/include/h2o/cache_digests.h b/web/server/h2o/libh2o/include/h2o/cache_digests.h
new file mode 100644
index 00000000..8680b38b
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+++ b/web/server/h2o/libh2o/include/h2o/cache_digests.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2015 DeNA Co., Ltd., Kazuho Oku
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#ifndef h2o__cache_digests_h
+#define h2o__cache_digests_h
+
+#include <stddef.h>
+#include <stdlib.h>
+#include "h2o/memory.h"
+
+typedef enum en_h2o_cache_digests_state_t {
+    H2O_CACHE_DIGESTS_STATE_UNKNOWN,
+    H2O_CACHE_DIGESTS_STATE_NOT_CACHED,
+    H2O_CACHE_DIGESTS_STATE_FRESH,
+    H2O_CACHE_DIGESTS_STATE_STALE
+} h2o_cache_digests_state_t;
+
+typedef struct st_h2o_cache_digests_frame_t h2o_cache_digests_frame_t;
+
+typedef H2O_VECTOR(h2o_cache_digests_frame_t) h2o_cache_digests_frame_vector_t;
+
+typedef struct st_h2o_cache_digests_t {
+    struct {
+        h2o_cache_digests_frame_vector_t url_only;
+        h2o_cache_digests_frame_vector_t url_and_etag;
+        int complete;
+    } fresh;
+} h2o_cache_digests_t;
+
+/**
+ * destroys the object
+ */
+void h2o_cache_digests_destroy(h2o_cache_digests_t *digests);
+/**
+ * loads a header (*digests may be NULL)
+ */
+void h2o_cache_digests_load_header(h2o_cache_digests_t **digests, const char *value, size_t len);
+/**
+ * lookup for a match with URL only
+ */
+h2o_cache_digests_state_t h2o_cache_digests_lookup_by_url(h2o_cache_digests_t *digests, const char *url, size_t url_len);
+/**
+ * lookup for a match with URL and etag
+ */
+h2o_cache_digests_state_t h2o_cache_digests_lookup_by_url_and_etag(h2o_cache_digests_t *digests, const char *url, size_t url_len,
+                                                                   const char *etag, size_t etag_len);
+
+#endif