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-rw-r--r--web/server/h2o/libh2o/include/h2o/http2_casper.h56
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diff --git a/web/server/h2o/libh2o/include/h2o/http2_casper.h b/web/server/h2o/libh2o/include/h2o/http2_casper.h
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+/*
+ * 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__http2__casper_h
+#define h2o__http2__casper_h
+
+#include <stddef.h>
+#include <stdlib.h>
+#include "h2o/memory.h"
+
+typedef struct st_h2o_http2_casper_t h2o_http2_casper_t;
+
+/**
+ * creates an object with provided parameters
+ */
+h2o_http2_casper_t *h2o_http2_casper_create(unsigned capacity_bits, unsigned remainder_bits);
+/**
+ * destroys the object and resources associated to it
+ */
+void h2o_http2_casper_destroy(h2o_http2_casper_t *casper);
+/**
+ * returns the number of keys stored
+ */
+size_t h2o_http2_casper_num_entries(h2o_http2_casper_t *casper);
+/**
+ * checks if a key is (was) marked as cached at the moment the fuction is invoked
+ */
+int h2o_http2_casper_lookup(h2o_http2_casper_t *casper, const char *path, size_t path_len, int set);
+/**
+ * consumes the `Cookie` headers in requests and updates the structure
+ */
+void h2o_http2_casper_consume_cookie(h2o_http2_casper_t *casper, const char *cookie, size_t cookie_len);
+/**
+ * returns the value of the `Set-Cookie` header that should be sent to the client
+ */
+h2o_iovec_t h2o_http2_casper_get_cookie(h2o_http2_casper_t *casper);
+
+#endif