* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>
-#include <sys/stat.h>
#include <stdarg.h>
#include "conditions.h"
#include "capture_stop_conditions.h"
+#include "ws_attributes.h"
/* predefined classes function prototypes */
static condition* _cnd_constr_timeout(condition*, va_list);
static gboolean _cnd_eval_capturesize(condition*, va_list);
static void _cnd_reset_capturesize(condition*);
+static condition* _cnd_constr_interval(condition*, va_list);
+static void _cnd_destr_interval(condition*);
+static gboolean _cnd_eval_interval(condition*, va_list);
+static void _cnd_reset_interval(condition*);
+
void init_capture_stop_conditions(void){
cnd_register_class(CND_CLASS_TIMEOUT,
_cnd_constr_timeout,
_cnd_destr_capturesize,
_cnd_eval_capturesize,
_cnd_reset_capturesize);
+ cnd_register_class(CND_CLASS_INTERVAL,
+ _cnd_constr_interval,
+ _cnd_destr_interval,
+ _cnd_eval_interval,
+ _cnd_reset_interval);
} /* END init_capture_stop_conditions() */
void cleanup_capture_stop_conditions(void){
cnd_unregister_class(CND_CLASS_TIMEOUT);
cnd_unregister_class(CND_CLASS_CAPTURESIZE);
+ cnd_unregister_class(CND_CLASS_INTERVAL);
} /* END cleanup_capture_stop_conditions() */
/*****************************************************************************/
*/
static void _cnd_reset_capturesize(condition *cnd _U_){
} /* END _cnd_reset_capturesize() */
+
+
+/*****************************************************************************/
+/* Predefined condition 'interval'. */
+
+/* class id */
+const char* CND_CLASS_INTERVAL = "cnd_class_interval";
+
+/* structure that contains user supplied data for this condition */
+typedef struct _cnd_interval_dat{
+ time_t start_time;
+ gint32 interval_s;
+}cnd_interval_dat;
+
+/*
+ * Constructs new condition for interval check. This function is invoked by
+ * 'cnd_new()' in order to perform class specific initialization.
+ *
+ * parameter: cnd - Pointer to condition passed by 'cnd_new()'.
+ * ap - Pointer to user supplied arguments list for this
+ * constructor.
+ * returns: Pointer to condition - Construction was successful.
+ * NULL - Construction failed.
+ */
+static condition* _cnd_constr_interval(condition* cnd, va_list ap){
+ cnd_interval_dat *data = NULL;
+ /* allocate memory */
+ if((data = (cnd_interval_dat*)g_malloc(sizeof(cnd_interval_dat))) == NULL)
+ return NULL;
+ /* initialize user data */
+ data->start_time = time(NULL);
+ data->interval_s = va_arg(ap, gint32);
+ data->start_time -= data->start_time % data->interval_s;
+ cnd_set_user_data(cnd, (void*)data);
+ return cnd;
+} /* END _cnd_constr_interval() */
+
+/*
+ * Destroys condition for interval check. This function is invoked by
+ * 'cnd_delete()' in order to perform class specific clean up.
+ *
+ * parameter: cnd - Pointer to condition passed by 'cnd_delete()'.
+ */
+static void _cnd_destr_interval(condition* cnd){
+ /* free memory */
+ g_free(cnd_get_user_data(cnd));
+} /* END _cnd_destr_interval() */
+
+/*
+ * Condition handler for interval condition. This function is invoked by
+ * 'cnd_eval()' in order to perform class specific condition checks.
+ *
+ * parameter: cnd - The inititalized interval condition.
+ * ap - Pointer to user supplied arguments list for this
+ * handler.
+ * returns: TRUE - Condition is true.
+ * FALSE - Condition is false.
+ */
+static gboolean _cnd_eval_interval(condition* cnd, va_list ap _U_){
+ cnd_interval_dat* data = (cnd_interval_dat*)cnd_get_user_data(cnd);
+ gint32 elapsed_time;
+ /* check interval here */
+ if(data->interval_s == 0) return FALSE; /* 0 == infinite */
+ elapsed_time = (gint32) (time(NULL) - data->start_time);
+ if(elapsed_time >= data->interval_s) return TRUE;
+ return FALSE;
+} /* END _cnd_eval_interval()*/
+
+/*
+ * Call this function to reset this condition to its initial state, i.e. the
+ * state it was in right after creation.
+ *
+ * parameter: cnd - Pointer to an initialized condition.
+ */
+static void _cnd_reset_interval(condition *cnd){
+ ((cnd_interval_dat*)cnd_get_user_data(cnd))->start_time = time(NULL);
+ ((cnd_interval_dat*)cnd_get_user_data(cnd))->start_time -=
+ ((cnd_interval_dat*)cnd_get_user_data(cnd))->start_time % ((cnd_interval_dat*)cnd_get_user_data(cnd))->interval_s;
+} /* END _cnd_reset_interval() */
+
+
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */
git.samba.org / metze / wireshark / wip.git / blobdiff