ringbuffer.h

   1 /** @file
   2  *
   3  * Definitions for capture ringbuffer files
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12 #ifndef __RINGBUFFER_H__
  13 #define __RINGBUFFER_H__
  14
  15 #include <stdio.h>
  16 #include "wiretap/wtap.h"
  17
  18 #define RINGBUFFER_UNLIMITED_FILES 0
  19 /* Minimum number of ringbuffer files */
  20 #define RINGBUFFER_MIN_NUM_FILES 0
  21 /* Maximum number of ringbuffer files */
  22 /* Avoid crashes on very large numbers. Should be a power of 10 */
  23 #define RINGBUFFER_MAX_NUM_FILES 100000
  24 /* Maximum number for FAT filesystems */
  25 #define RINGBUFFER_WARN_NUM_FILES 65535
  26
  27 int ringbuf_init(const char *capture_name, unsigned num_files, bool group_read_access, char* compress_type,
  28                  bool nametimenum);
  29 bool ringbuf_is_initialized(void);
  30 const char *ringbuf_current_filename(void);
  31 FILE *ringbuf_init_libpcap_fdopen(int *err);
  32 bool ringbuf_switch_file(FILE **pdh, char **save_file, int *save_file_fd,
  33                              int *err);
  34 bool ringbuf_libpcap_dump_close(char **save_file, int *err);
  35 void ringbuf_free(void);
  36 void ringbuf_error_cleanup(void);
  37 bool ringbuf_set_print_name(char *name, int *err);
  38
  39 #endif /* ringbuffer.h */