5f4c9b2bb2
We just export some UI helpers and the Big Merge Engine. Change-Id: I60bc8ab167e7100189a9ce60d84c0e4db27b6bda Reviewed-on: https://code.wireshark.org/review/11689 Petri-Dish: Guy Harris <guy@alum.mit.edu> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Guy Harris <guy@alum.mit.edu>
155 lines
5.6 KiB
C
155 lines
5.6 KiB
C
/* merge.h
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* Definitions for routines for merging files.
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __MERGE_H__
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#define __MERGE_H__
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#include "wiretap/wtap.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef enum {
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PACKET_PRESENT,
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PACKET_NOT_PRESENT,
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AT_EOF,
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GOT_ERROR
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} in_file_state_e;
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/**
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* Structures to manage our input files.
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*/
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typedef struct merge_in_file_s {
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const char *filename;
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wtap *wth;
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gint64 data_offset;
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in_file_state_e state;
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guint32 packet_num; /* current packet number */
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gint64 size; /* file size */
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GArray *idb_index_map; /* used for mapping the old phdr interface_id values to new during merge */
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} merge_in_file_t;
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/** Return values from merge_files(). */
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typedef enum {
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MERGE_OK,
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MERGE_USER_ABORTED,
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/* below here are true errors */
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MERGE_ERR_CANT_OPEN_INFILE,
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MERGE_ERR_CANT_OPEN_OUTFILE,
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MERGE_ERR_CANT_READ_INFILE,
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MERGE_ERR_BAD_PHDR_INTERFACE_ID,
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MERGE_ERR_CANT_WRITE_OUTFILE,
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MERGE_ERR_CANT_CLOSE_OUTFILE
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} merge_result;
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/** Merge events, used as an arg in the callback function - indicates when the callback was invoked. */
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typedef enum {
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MERGE_EVENT_INPUT_FILES_OPENED,
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MERGE_EVENT_FRAME_TYPE_SELECTED,
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MERGE_EVENT_READY_TO_MERGE,
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MERGE_EVENT_PACKET_WAS_READ,
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MERGE_EVENT_DONE
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} merge_event;
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/** Merge mode for IDB info. */
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typedef enum {
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IDB_MERGE_MODE_NONE = 0, /**< no merging of IDBs is done, all IDBs are copied into merged file */
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IDB_MERGE_MODE_ALL_SAME,/**< duplicate IDBs merged only if all the files have the same set of IDBs */
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IDB_MERGE_MODE_ANY_SAME, /**< any and all duplicate IDBs are merged into one IDB, even within a file */
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IDB_MERGE_MODE_MAX
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} idb_merge_mode;
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/** Returns the idb_merge_mode for the given string name.
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*
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* @param name The name of the mode.
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* @return The idb_merge_mode, or IDB_MERGE_MODE_MAX on failure.
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*/
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WS_DLL_PUBLIC idb_merge_mode
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merge_string_to_idb_merge_mode(const char *name);
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/** Returns the string name for the given number.
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*
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* @param mode The number of the mode, representing the idb_merge_mode enum value.
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* @return The string name, or "UNKNOWN" on failure.
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*/
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WS_DLL_PUBLIC const char*
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merge_idb_merge_mode_to_string(const int mode);
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/** @struct merge_progress_callback_t
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*
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* @brief Callback information for merging.
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*
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* @details The merge_files() routine can invoke a callback during its execution,
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* to enable verbose printing or progress bar updating, for example. This struct
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* provides merge_files() with the callback routine to invoke, and optionally
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* private data to pass through to the callback each time it is invoked.
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* For the callback_func routine's arguments: the event is when the callback
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* was invoked, the num is an int specific to the event, in_files is an array
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* of the created merge info, in_file_count is the size of the array, data is
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* whatever was passed in the data member of this struct. The callback_func
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* routine's return value should be TRUE if merging should be aborted.
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*/
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typedef struct {
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gboolean (*callback_func)(merge_event event, int num,
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const merge_in_file_t in_files[], const guint in_file_count,
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void *data);
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void *data; /**< private data to use for passing through to the callback function */
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} merge_progress_callback_t;
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/** Merge the given input files to the output file descriptor.
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*
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* @param out_fd The already opened output file decriptor
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* @param out_filename The output filename, used in error messages
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* @param file_type The WTAP_FILE_TYPE_SUBTYPE_XXX output file type
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* @param in_filenames An array of input filenames to merge from
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* @param in_file_count The number of entries in in_filenames
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* @param do_append Whether to append by file order instead of chronological order
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* @param mode The IDB_MERGE_MODE_XXX merge mode for interface data
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* @param snaplen The snaplen to limit it to, or 0 to leave as it is in the files
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* @param app_name The application name performing the merge, used in SHB info
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* @param cb The callback information to use during execution
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* @param[out] err Set to the internal WTAP_ERR_XXX error code if it failed
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* @param[out] err_info Set to a descriptive error string, which must be g_free'd
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* @param[out] err_fileno Set to the input file number which failed, if it failed
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* @return the frame type
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*/
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WS_DLL_PUBLIC merge_result
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merge_files(int out_fd, const gchar* out_filename, const int file_type,
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const char *const *in_filenames, const guint in_file_count,
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const gboolean do_append, const idb_merge_mode mode,
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guint snaplen, const gchar *app_name, merge_progress_callback_t* cb,
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int *err, gchar **err_info, int *err_fileno);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __MERGE_H__ */
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