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.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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>
36 #endif /* __cplusplus */
39 * Helper routines for column utility structures and routines.
42 /** Allocate all the data structures for constructing column data, given
43 * the number of columns.
45 * Internal, don't use this in dissectors!
47 extern void col_setup(column_info *cinfo, const gint num_cols);
49 /** Initialize the data structures for constructing column data.
51 * Internal, don't use this in dissectors!
53 extern void col_init(column_info *cinfo);
55 /** Set the format of the "variable time format".
57 * Internal, don't use this in dissectors!
59 extern void col_set_fmt_time(const frame_data *fd, column_info *cinfo, const gint fmt, const gint col);
61 /** Fill in all columns of the given packet which are based on values from frame_data.
63 * Internal, don't use this in dissectors!
65 extern void col_fill_in_frame_data(const frame_data *fd, column_info *cinfo, const gint col, gboolean const fill_col_exprs);
67 /** Fill in all columns of the given packet.
69 * Internal, don't use this in dissectors!
71 extern void col_fill_in(packet_info *pinfo, const gboolean fill_col_exprs, const gboolean fill_fd_colums);
73 /** Fill in columns if we got an error reading the packet.
74 * We set most columns to "???", and set the Info column to an error
77 * Internal, don't use this in dissectors!
79 extern void col_fill_in_error(column_info *cinfo, frame_data *fdata, const gboolean fill_col_exprs, const gboolean fill_fd_colums);
81 /* Utility routines used by packet*.c */
83 /** Are the columns writable?
85 * @param cinfo the current packet row
86 * @return TRUE if it's writable, FALSE if not
88 extern gboolean col_get_writable(column_info *cinfo);
90 /** Set the columns writable.
92 * @param cinfo the current packet row
93 * @param writable TRUE if it's writable, FALSE if not
95 extern void col_set_writable(column_info *cinfo, const gboolean writable);
98 * Checks if the given column can be filled with data.
100 * @param cinfo the current packet row
101 * @param col the column to use, e.g. COL_INFO
103 * @deprecated Not needed in new code the check is done in
104 * in the column function calls.
106 extern gint check_col(column_info *cinfo, const gint col);
108 /** Sets a fence for the current column content,
109 * so this content won't be affected by further col_... function calls.
111 * This can be useful if a protocol is more than once in a single packet,
112 * e.g. multiple HTTP calls in a single TCP packet.
114 * @param cinfo the current packet row
115 * @param col the column to use, e.g. COL_INFO
117 extern void col_set_fence(column_info *cinfo, const gint col);
119 /** Clears the text of a column element.
121 * @param cinfo the current packet row
122 * @param col the column to use, e.g. COL_INFO
124 extern void col_clear(column_info *cinfo, const gint col);
126 /** Set (replace) the text of a column element, the text won't be copied.
128 * Usually used to set const strings!
130 * @param cinfo the current packet row
131 * @param col the column to use, e.g. COL_INFO
132 * @param str the string to set
134 extern void col_set_str(column_info *cinfo, const gint col, const gchar * str);
136 /** Add (replace) the text of a column element, the text will be copied.
138 * @param cinfo the current packet row
139 * @param col the column to use, e.g. COL_INFO
140 * @param str the string to add
142 extern void col_add_str(column_info *cinfo, const gint col, const gchar *str);
144 /** Add (replace) the text of a column element, the text will be formatted and copied.
146 * Same function as col_add_str() but using a printf-like format string.
148 * @param cinfo the current packet row
149 * @param col the column to use, e.g. COL_INFO
150 * @param format the format string
151 * @param ... the variable number of parameters
153 extern void col_add_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
156 /** For internal Wireshark use only. Not to be called from dissectors. */
157 void col_custom_set_edt(epan_dissect_t *edt, column_info *cinfo);
159 /** For internal Wireshark use only. Not to be called from dissectors. */
160 void col_custom_prime_edt(epan_dissect_t *edt, column_info *cinfo);
162 /** For internal Wireshark use only. Not to be called from dissectors. */
163 gboolean have_custom_cols(column_info *cinfo);
164 /** For internal Wireshark use only. Not to be called from dissectors. */
165 gboolean col_has_time_fmt(column_info *cinfo, const gint col);
166 /** For internal Wireshark use only. Not to be called from dissectors. */
167 gboolean col_based_on_frame_data(column_info *cinfo, const gint col);
169 /** Append the given text to a column element, the text will be copied.
171 * @param cinfo the current packet row
172 * @param col the column to use, e.g. COL_INFO
173 * @param str the string to append
175 extern void col_append_str(column_info *cinfo, const gint col, const gchar *str);
177 /** Append the given text to a column element, the text will be formatted and copied.
179 * Same function as col_append_str() but using a printf-like format string.
181 * @param cinfo the current packet row
182 * @param col the column to use, e.g. COL_INFO
183 * @param format the format string
184 * @param ... the variable number of parameters
186 extern void col_append_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
189 /** Prepend the given text to a column element, the text will be formatted and copied.
191 * @param cinfo the current packet row
192 * @param col the column to use, e.g. COL_INFO
193 * @param format the format string
194 * @param ... the variable number of parameters
196 extern void col_prepend_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
199 /**Prepend the given text to a column element, the text will be formatted and copied.
200 * This function is similar to col_prepend_fstr() but this function will
201 * unconditionally set a fence to the end of the prepended data even if there
202 * were no fence before.
203 * The col_prepend_fstr() will only prepend the data before the fence IF
204 * there is already a fence created. This function will create a fence in case
205 * it does not yet exist.
207 extern void col_prepend_fence_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
210 /** Append the given text (prepended by a separator) to a column element.
212 * Much like col_append_str() but will prepend the given separator if the column isn't empty.
214 * @param cinfo the current packet row
215 * @param col the column to use, e.g. COL_INFO
216 * @param sep the separator string or NULL for default: ", "
217 * @param str the string to append
219 extern void col_append_sep_str(column_info *cinfo, const gint col, const gchar *sep,
222 /** Append the given text (prepended by a separator) to a column element.
224 * Much like col_append_fstr() but will prepend the given separator if the column isn't empty.
226 * @param cinfo the current packet row
227 * @param col the column to use, e.g. COL_INFO
228 * @param sep the separator string or NULL for default: ", "
229 * @param format the format string
230 * @param ... the variable number of parameters
232 extern void col_append_sep_fstr(column_info *cinfo, const gint col, const gchar *sep,
233 const gchar *format, ...)
236 /** Set the given (relative) time to a column element.
238 * Used by multiple dissectors to set the time in the column
239 * COL_DELTA_CONV_TIME
241 * @param cinfo the current packet row
242 * @param col the column to use, e.g. COL_INFO
243 * @param ts the time to set in the column
244 * @param fieldname the fieldname to use for creating a filter (when
245 * applying/preparing/copying as filter)
247 extern void col_set_time(column_info *cinfo, const int col,
248 const nstime_t *ts, char *fieldname);
250 extern void set_fd_time(frame_data *fd, gchar *buf);
254 #endif /* __cplusplus */
256 #endif /* __COLUMN_UTILS_H__ */