*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* This file should only be included if libpcap is present */
* Capture related things.
*/
-/** Name we give to the child process when doing a "-S" capture. */
-#define CHILD_NAME "ethereal-capture"
+#include "capture_opts.h"
+#include "capture_session.h"
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
-/* Current state of capture engine. XXX - differentiate states */
typedef enum {
- CAPTURE_STOPPED, /**< stopped */
- CAPTURE_PREPARING, /**< preparing, but still no response from capture child */
- CAPTURE_RUNNING /**< capture child signalled ok, capture is running now */
-} capture_state;
-
-
-/** Capture options coming from user interface */
-typedef struct capture_options_tag {
- /* general */
- void *cf; /**< handle to cfile (note: untyped handle) */
- gchar *cfilter; /**< Capture filter string */
- gchar *iface; /**< the network interface to capture from */
-
-#ifdef _WIN32
- int buffer_size; /**< the capture buffer size (MB) */
-#endif
- gboolean has_snaplen; /**< TRUE if maximum capture packet length
- is specified */
- int snaplen; /**< Maximum captured packet length */
- gboolean promisc_mode; /**< Capture in promiscuous mode */
- int linktype; /**< Data link type to use, or -1 for
- "use default" */
- gchar *save_file; /**< the capture file name */
-
- /* GUI related */
- gboolean real_time_mode; /**< Update list of packets in real time */
- gboolean show_info; /**< show the info dialog */
- gboolean quit_after_cap; /** Makes a "capture only mode". Implies -k */
- gboolean restart; /**< restart after closing is done */
-
- /* multiple files (and ringbuffer) */
- gboolean multi_files_on; /**< TRUE if ring buffer in use */
-
- gboolean has_file_duration; /**< TRUE if ring duration specified */
- gint32 file_duration; /* Switch file after n seconds */
- gboolean has_ring_num_files;/**< TRUE if ring num_files specified */
- guint32 ring_num_files; /**< Number of multiple buffer files */
-
- /* autostop conditions */
- gboolean has_autostop_files;/**< TRUE if maximum number of capture files
- are specified */
- gint32 autostop_files; /**< Maximum number of capture files */
-
- gboolean has_autostop_packets; /**< TRUE if maximum packet count is
- specified */
- int autostop_packets; /**< Maximum packet count */
- gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
- is specified */
- gint32 autostop_filesize; /**< Maximum capture file size */
- gboolean has_autostop_duration; /**< TRUE if maximum capture duration
- is specified */
- gint32 autostop_duration; /**< Maximum capture duration */
-
- /* internally used (don't touch from outside) */
- int fork_child; /**< If not -1, in parent, process ID of child */
-#ifdef _WIN32
- int signal_pipe_fd; /**< the pipe to signal the child */
-#endif
- capture_state state; /**< current state of the capture engine */
-} capture_options;
-
-
-/* initialize the capture_options with some reasonable values */
-extern void
-capture_opts_init(capture_options *capture_opts, void *cfile);
+ capture_cb_capture_prepared,
+ capture_cb_capture_update_started,
+ capture_cb_capture_update_continue,
+ capture_cb_capture_update_finished,
+ capture_cb_capture_fixed_started,
+ capture_cb_capture_fixed_continue,
+ capture_cb_capture_fixed_finished,
+ capture_cb_capture_stopping,
+ capture_cb_capture_failed
+} capture_cbs;
+
+typedef void (*capture_callback_t) (gint event, capture_session *cap_session,
+ gpointer user_data);
extern void
-capture_opts_add_opt(capture_options *capture_opts, int opt, const char *optarg, gboolean *start_capture);
+capture_callback_add(capture_callback_t func, gpointer user_data);
-/* log content of capture_opts */
extern void
-capture_opts_log(const char *log_domain, GLogLevelFlags log_level, capture_options *capture_opts);
-
-
+capture_callback_remove(capture_callback_t func);
-/**
+/**
* Start a capture session.
*
* @param capture_opts the numerous capture options
+ * @param cap_session a handle for the capture session
+ * @param update_cb update screen
* @return TRUE if the capture starts successfully, FALSE otherwise.
*/
-extern gboolean capture_start(capture_options *capture_opts);
+extern gboolean
+capture_start(capture_options *capture_opts, capture_session *cap_session, void(*update_cb)(void));
/** Stop a capture session (usually from a menu item). */
-extern void capture_stop(capture_options *capture_opts);
+extern void
+capture_stop(capture_session *cap_session);
/** Restart the current captured packets and start again. */
-extern void capture_restart(capture_options *capture_opts);
+extern void
+capture_restart(capture_session *cap_session);
/** Terminate the capture child cleanly when exiting. */
-extern void capture_kill_child(capture_options *capture_opts);
-
-/**
- * Capture child told us, we have a new (or the first) capture file.
- */
-extern gboolean capture_input_new_file(capture_options *capture_opts, gchar *new_file);
+extern void
+capture_kill_child(capture_session *cap_session);
-/**
- * Capture child told us, we have new packets to read.
- */
-extern void capture_input_new_packets(capture_options *capture_opts, int to_read);
+struct if_stat_cache_s;
+typedef struct if_stat_cache_s if_stat_cache_t;
/**
- * Capture child told us, how many dropped packets it counted.
+ * Start gathering capture statistics for the interfaces specified.
+ * @param capture_opts A structure containing options for the capture.
+ * @return A pointer to the statistics state data.
*/
-extern void capture_input_drops(capture_options *capture_opts, int dropped);
+extern if_stat_cache_t * capture_stat_start(capture_options *capture_opts);
/**
- * Capture child told us, that an error has occurred while starting the capture.
+ * Fetch capture statistics, similar to pcap_stats().
*/
-extern void capture_input_error_message(capture_options *capture_opts, char *error_message);
+struct pcap_stat; /* Stub in case we don't or haven't yet included pcap.h */
+extern gboolean capture_stats(if_stat_cache_t *sc, char *ifname, struct pcap_stat *ps);
/**
- * Capture child closed it's side ot the pipe, do the required cleanup.
+ * Stop gathering capture statistics.
*/
-extern void capture_input_closed(capture_options *capture_opts);
-
-
-
-/** Do the low-level work of a capture (start the capture child).
- * Returns TRUE if it succeeds, FALSE otherwise. */
-extern int capture_loop_start(capture_options *capture_opts, gboolean *stats_known, struct pcap_stat *stats);
-
-/** Stop a low-level capture (stops the capture child). */
-extern void capture_loop_stop(void);
-
-
-
-/** Current Capture info. */
-typedef struct {
- /* handles */
- gpointer callback_data; /**< capture callback handle */
- gpointer ui; /**< user interfaces own handle */
-
- /* capture info */
- packet_counts *counts; /**< protocol specific counters */
- time_t running_time; /**< running time since last update */
- gint new_packets; /**< packets since last update */
-} capture_info;
-
-
-/** Create the capture info dialog */
-extern void capture_info_create(
-capture_info *cinfo,
-gchar *iface);
-
-/** Update the capture info counters in the dialog */
-extern void capture_info_update(
-capture_info *cinfo);
-
-/** Destroy the capture info dialog again */
-extern void capture_info_destroy(
-capture_info *cinfo);
+void capture_stat_stop(if_stat_cache_t *sc);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
#endif /* capture.h */