2 * Definitions for column utility structures and routines
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
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21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #ifndef __COLUMN_UTILS_H__
26 #define __COLUMN_UTILS_H__
30 #include "column_info.h"
31 #include "packet_info.h"
32 #include <epan/epan.h>
33 #include "ws_symbol_export.h"
37 #endif /* __cplusplus */
40 * Helper routines for column utility structures and routines.
43 /** Allocate all the data structures for constructing column data, given
44 * the number of columns.
46 * Internal, don't use this in dissectors!
48 WS_DLL_PUBLIC void col_setup(column_info *cinfo, const gint num_cols);
50 /** Cleanup all the data structures for constructing column data;
51 * undoes the alocations that col_setup() does.
53 * Internal, don't use this in dissectors!
55 WS_DLL_PUBLIC void col_cleanup(column_info *cinfo);
57 /** Initialize the data structures for constructing column data.
59 * Internal, don't use this in dissectors!
61 extern void col_init(column_info *cinfo, const struct epan_session *epan);
63 /** Fill in all columns of the given packet which are based on values from frame_data.
65 * Internal, don't use this in dissectors!
67 WS_DLL_PUBLIC void col_fill_in_frame_data(const frame_data *fd, column_info *cinfo, const gint col, gboolean const fill_col_exprs);
69 /** Fill in all columns of the given packet.
71 * Internal, don't use this in dissectors!
73 WS_DLL_PUBLIC void col_fill_in(packet_info *pinfo, const gboolean fill_col_exprs, const gboolean fill_fd_colums);
75 /** Fill in columns if we got an error reading the packet.
76 * We set most columns to "???", and set the Info column to an error
79 * Internal, don't use this in dissectors!
81 WS_DLL_PUBLIC void col_fill_in_error(column_info *cinfo, frame_data *fdata, const gboolean fill_col_exprs, const gboolean fill_fd_colums);
83 /* Utility routines used by packet*.c */
85 /** Are the columns writable?
87 * @param cinfo the current packet row
88 * @return TRUE if it's writable, FALSE if not
90 WS_DLL_PUBLIC gboolean col_get_writable(column_info *cinfo);
92 /** Set the columns writable.
94 * @param cinfo the current packet row
95 * @param writable TRUE if it's writable, FALSE if not
97 WS_DLL_PUBLIC void col_set_writable(column_info *cinfo, const gboolean writable);
100 * Checks if the given column can be filled with data.
102 * @param cinfo the current packet row
103 * @param col the column to use, e.g. COL_INFO
105 * @deprecated Not needed in new code the check is done in
106 * in the column function calls.
108 WS_DLL_PUBLIC gint check_col(column_info *cinfo, const gint col);
110 /** Sets a fence for the current column content,
111 * so this content won't be affected by further col_... function calls.
113 * This can be useful if a protocol is more than once in a single packet,
114 * e.g. multiple HTTP calls in a single TCP packet.
116 * @param cinfo the current packet row
117 * @param col the column to use, e.g. COL_INFO
119 WS_DLL_PUBLIC void col_set_fence(column_info *cinfo, const gint col);
121 /** Gets the text of a column element.
123 * @param cinfo the current packet row
124 * @param col the column to use, e.g. COL_INFO
126 * @return the text string
128 extern const gchar *col_get_text(column_info *cinfo, const gint col);
130 /** Clears the text of a column element.
132 * @param cinfo the current packet row
133 * @param col the column to use, e.g. COL_INFO
135 WS_DLL_PUBLIC void col_clear(column_info *cinfo, const gint col);
137 /** Set (replace) the text of a column element, the text won't be copied.
139 * Usually used to set const strings!
141 * @param cinfo the current packet row
142 * @param col the column to use, e.g. COL_INFO
143 * @param str the string to set
145 WS_DLL_PUBLIC void col_set_str(column_info *cinfo, const gint col, const gchar * str);
147 /** Add (replace) the text of a column element, the text will be copied.
149 * @param cinfo the current packet row
150 * @param col the column to use, e.g. COL_INFO
151 * @param str the string to add
153 WS_DLL_PUBLIC void col_add_str(column_info *cinfo, const gint col, const gchar *str);
155 /** Add (replace) the text of a column element, the text will be formatted and copied.
157 * Same function as col_add_str() but using a printf-like format string.
159 * @param cinfo the current packet row
160 * @param col the column to use, e.g. COL_INFO
161 * @param format the format string
162 * @param ... the variable number of parameters
164 WS_DLL_PUBLIC void col_add_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
167 /** For internal Wireshark use only. Not to be called from dissectors. */
168 void col_custom_set_edt(epan_dissect_t *edt, column_info *cinfo);
170 /** For internal Wireshark use only. Not to be called from dissectors. */
172 void col_custom_prime_edt(epan_dissect_t *edt, column_info *cinfo);
174 /** For internal Wireshark use only. Not to be called from dissectors. */
176 gboolean have_custom_cols(column_info *cinfo);
177 /** For internal Wireshark use only. Not to be called from dissectors. */
179 gboolean col_has_time_fmt(column_info *cinfo, const gint col);
180 /** For internal Wireshark use only. Not to be called from dissectors. */
182 gboolean col_based_on_frame_data(column_info *cinfo, const gint col);
184 /** Append the given text to a column element, the text will be copied.
186 * @param cinfo the current packet row
187 * @param col the column to use, e.g. COL_INFO
188 * @param str the string to append
190 WS_DLL_PUBLIC void col_append_str(column_info *cinfo, const gint col, const gchar *str);
192 /** Append the given text to a column element, the text will be formatted and copied.
194 * Same function as col_append_str() but using a printf-like format string.
196 * @param cinfo the current packet row
197 * @param col the column to use, e.g. COL_INFO
198 * @param format the format string
199 * @param ... the variable number of parameters
201 WS_DLL_PUBLIC void col_append_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
204 /** Prepend the given text to a column element, the text will be formatted and copied.
206 * @param cinfo the current packet row
207 * @param col the column to use, e.g. COL_INFO
208 * @param format the format string
209 * @param ... the variable number of parameters
211 WS_DLL_PUBLIC void col_prepend_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
214 /**Prepend the given text to a column element, the text will be formatted and copied.
215 * This function is similar to col_prepend_fstr() but this function will
216 * unconditionally set a fence to the end of the prepended data even if there
217 * were no fence before.
218 * The col_prepend_fstr() will only prepend the data before the fence IF
219 * there is already a fence created. This function will create a fence in case
220 * it does not yet exist.
222 WS_DLL_PUBLIC void col_prepend_fence_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
225 /** Append the given text (prepended by a separator) to a column element.
227 * Much like col_append_str() but will prepend the given separator if the column isn't empty.
229 * @param cinfo the current packet row
230 * @param col the column to use, e.g. COL_INFO
231 * @param sep the separator string or NULL for default: ", "
232 * @param str the string to append
234 WS_DLL_PUBLIC void col_append_sep_str(column_info *cinfo, const gint col, const gchar *sep,
237 /** Append the given text (prepended by a separator) to a column element.
239 * Much like col_append_fstr() but will prepend the given separator if the column isn't empty.
241 * @param cinfo the current packet row
242 * @param col the column to use, e.g. COL_INFO
243 * @param sep the separator string or NULL for default: ", "
244 * @param format the format string
245 * @param ... the variable number of parameters
247 WS_DLL_PUBLIC void col_append_sep_fstr(column_info *cinfo, const gint col, const gchar *sep,
248 const gchar *format, ...)
251 /** Set the given (relative) time to a column element.
253 * Used by multiple dissectors to set the time in the column
254 * COL_DELTA_CONV_TIME
256 * @param cinfo the current packet row
257 * @param col the column to use, e.g. COL_INFO
258 * @param ts the time to set in the column
259 * @param fieldname the fieldname to use for creating a filter (when
260 * applying/preparing/copying as filter)
262 WS_DLL_PUBLIC void col_set_time(column_info *cinfo, const int col,
263 const nstime_t *ts, const char *fieldname);
265 WS_DLL_PUBLIC void set_fd_time(const struct epan_session *epan, frame_data *fd, gchar *buf);
269 #endif /* __cplusplus */
271 #endif /* __COLUMN_UTILS_H__ */