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 /* Utility routines used by packet*.c */
75 /** Are the columns writable?
77 * @param cinfo the current packet row
78 * @return TRUE if it's writable, FALSE if not
80 extern gboolean col_get_writable(column_info *cinfo);
82 /** Set the columns writable.
84 * @param cinfo the current packet row
85 * @param writable TRUE if it's writable, FALSE if not
87 extern void col_set_writable(column_info *cinfo, const gboolean writable);
90 * Checks if the given column can be filled with data.
92 * @param cinfo the current packet row
93 * @param col the column to use, e.g. COL_INFO
95 * @deprecated Not needed in new code the check is done in
96 * in the column function calls.
98 extern gint check_col(column_info *cinfo, const gint col);
100 /** Sets a fence for the current column content,
101 * so this content won't be affected by further col_... function calls.
103 * This can be useful if a protocol is more than once in a single packet,
104 * e.g. multiple HTTP calls in a single TCP packet.
106 * @param cinfo the current packet row
107 * @param col the column to use, e.g. COL_INFO
109 extern void col_set_fence(column_info *cinfo, const gint col);
111 /** Clears the text of a column element.
113 * @param cinfo the current packet row
114 * @param col the column to use, e.g. COL_INFO
116 extern void col_clear(column_info *cinfo, const gint col);
118 /** Set (replace) the text of a column element, the text won't be copied.
120 * Usually used to set const strings!
122 * @param cinfo the current packet row
123 * @param col the column to use, e.g. COL_INFO
124 * @param str the string to set
126 extern void col_set_str(column_info *cinfo, const gint col, const gchar * str);
128 /** Add (replace) the text of a column element, the text will be copied.
130 * @param cinfo the current packet row
131 * @param col the column to use, e.g. COL_INFO
132 * @param str the string to add
134 extern void col_add_str(column_info *cinfo, const gint col, const gchar *str);
136 /** Add (replace) the text of a column element, the text will be formatted and copied.
138 * Same function as col_add_str() but using a printf-like format string.
140 * @param cinfo the current packet row
141 * @param col the column to use, e.g. COL_INFO
142 * @param format the format string
143 * @param ... the variable number of parameters
145 extern void col_add_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
148 /** For internal Wireshark use only. Not to be called from dissectors. */
149 void col_custom_set_edt(epan_dissect_t *edt, column_info *cinfo);
151 /** For internal Wireshark use only. Not to be called from dissectors. */
152 void col_custom_prime_edt(epan_dissect_t *edt, column_info *cinfo);
154 /** For internal Wireshark use only. Not to be called from dissectors. */
155 gboolean have_custom_cols(column_info *cinfo);
156 /** For internal Wireshark use only. Not to be called from dissectors. */
157 gboolean col_has_time_fmt(column_info *cinfo, const gint col);
158 /** For internal Wireshark use only. Not to be called from dissectors. */
159 gboolean col_based_on_frame_data(column_info *cinfo, const gint col);
161 /** Append the given text to a column element, the text will be copied.
163 * @param cinfo the current packet row
164 * @param col the column to use, e.g. COL_INFO
165 * @param str the string to append
167 extern void col_append_str(column_info *cinfo, const gint col, const gchar *str);
169 /** Append the given text to a column element, the text will be formatted and copied.
171 * Same function as col_append_str() but using a printf-like format string.
173 * @param cinfo the current packet row
174 * @param col the column to use, e.g. COL_INFO
175 * @param format the format string
176 * @param ... the variable number of parameters
178 extern void col_append_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
181 /** Prepend the given text to a column element, the text will be formatted and copied.
183 * @param cinfo the current packet row
184 * @param col the column to use, e.g. COL_INFO
185 * @param format the format string
186 * @param ... the variable number of parameters
188 extern void col_prepend_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
191 /**Prepend the given text to a column element, the text will be formatted and copied.
192 * This function is similar to col_prepend_fstr() but this function will
193 * unconditionally set a fence to the end of the prepended data even if there
194 * were no fence before.
195 * The col_prepend_fstr() will only prepend the data before the fence IF
196 * there is already a fence created. This function will create a fence in case
197 * it does not yet exist.
199 extern void col_prepend_fence_fstr(column_info *cinfo, const gint col, const gchar *format, ...)
202 /** Append the given text (prepended by a separator) to a column element.
204 * Much like col_append_str() but will prepend the given separator if the column isn't empty.
206 * @param cinfo the current packet row
207 * @param col the column to use, e.g. COL_INFO
208 * @param sep the separator string or NULL for default: ", "
209 * @param str the string to append
211 extern void col_append_sep_str(column_info *cinfo, const gint col, const gchar *sep,
214 /** Append the given text (prepended by a separator) to a column element.
216 * Much like col_append_fstr() but will prepend the given separator if the column isn't empty.
218 * @param cinfo the current packet row
219 * @param col the column to use, e.g. COL_INFO
220 * @param sep the separator string or NULL for default: ", "
221 * @param format the format string
222 * @param ... the variable number of parameters
224 extern void col_append_sep_fstr(column_info *cinfo, const gint col, const gchar *sep,
225 const gchar *format, ...)
228 /** Set the given (relative) time to a column element.
230 * Used by multiple dissectors to set the time in the column
231 * COL_DELTA_CONV_TIME
233 * @param cinfo the current packet row
234 * @param col the column to use, e.g. COL_INFO
235 * @param ts the time to set in the column
236 * @param fieldname the fieldname to use for creating a filter (when
237 * applying/preparing/copying as filter)
239 extern void col_set_time(column_info *cinfo, const int col,
240 const nstime_t *ts, char *fieldname);
244 #endif /* __cplusplus */
246 #endif /* __COLUMN_UTILS_H__ */