d2c9f1824a
Sometimes you have a capture file that has many duplicate frames because of how the capture was made, and its convenient to ignore the duplicates so you can concentrate on the data and not all the TCP warnings. This adds a preference in the "Protocols" section to ignore duplicates. This currently only works while reading a capture file *not* during a live capture.
60 lines
2 KiB
C
60 lines
2 KiB
C
/* fifo_string_cache.h
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* A string cache, possibly with a bounded size, using FIFO order to control
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* the size.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __FIFO_STRING_CACHE_H__
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#define __FIFO_STRING_CACHE_H__
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#include <glib.h>
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#include "ws_symbol_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct {
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GHashTable *set;
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GSList *head;
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GSList *tail;
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guint max_entries;
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} fifo_string_cache_t;
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// These functions are marked with WS_DLL_PUBLIC so they can be unit-tested
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// Initialize an object. If string_free_func is given, then the
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// fifo_string_cache owns the string data, and will call this string_free_func
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// during fifo_string_cache_free().
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// If string_free_func is NULL, then the caller owns the string data, and it is
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// the caller that is responsible for freeing the data.
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WS_DLL_PUBLIC void
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fifo_string_cache_init(fifo_string_cache_t *fcache, guint max_entries, GDestroyNotify string_free_func);
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// Free all memory owned by the fifo_string_cache. Whether or not the
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// fifoe_string_cache owns the actual strings depends on whether a
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// string_free_func was passed in during fifo_string_cache_init().
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WS_DLL_PUBLIC void
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fifo_string_cache_free(fifo_string_cache_t *fcache);
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// Does the cache contain a specific string?
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WS_DLL_PUBLIC gboolean
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fifo_string_cache_contains(fifo_string_cache_t *fcache, const gchar *entry);
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// Insert a string. The return value indicates whether the string was already
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// in the cache before this function was called. If the string was newly
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// inserted, and max_entries is > 0, and inserting the string would have caused
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// max_entries to be exceeded, the oldest inserted key is removed (FIFO order).
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WS_DLL_PUBLIC gboolean
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fifo_string_cache_insert(fifo_string_cache_t *fcache, const gchar *entry);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __FIFO_STRING_CACHE_H__ */
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