/* capture_sync.h
- * Synchronisation between Ethereal capture parent and child instances
+ * Synchronisation between Wireshark capture parent and child instances
*
* $Id$
*
- * 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.
*/
/** @file
- *
+ *
* Sync mode capture (internal interface).
*
- * Will start a new Ethereal child instance which will do the actual capture
+ * Will start a new Wireshark child instance which will do the actual capture
* work.
*/
#ifndef __CAPTURE_SYNC_H__
#define __CAPTURE_SYNC_H__
-
-/* Size of buffer to hold decimal representation of
- signed/unsigned 64-bit int */
-#define SP_DECISIZE 20
-
-/*
- * Indications sent out on the sync pipe (from child to parent).
- */
-#define SP_FILE 'F' /* the name of the recently opened file */
-#define SP_ERROR_MSG 'E' /* error message */
-#define SP_BAD_FILTER 'B' /* error message for bad capture filter */
-#define SP_PACKET_COUNT 'P' /* count of packets captured since last message */
-#define SP_DROPS 'D' /* count of packets dropped in capture */
-/*
- * Win32 only: Indications sent out on the signal pipe (from parent to child)
- * (UNIX-like sends signals for this)
- */
-#define SP_QUIT 'Q' /* "gracefully" capture quit message (SIGUSR1) */
-
-
-
-/**
+/**
* Start a new capture session.
* Create a capture child which is doing the real capture work.
- * The various capture_input_... functions will be called, if something had
+ * The various capture_input_... functions will be called, if something had
* happened.
*
* Most of the parameters are passed through the global capture_opts.
*
* @param capture_opts the options
+ * @param cap_session a handle for the capture session
* @return TRUE if a capture could be started, FALSE if not
*/
-extern gboolean
-sync_pipe_start(capture_options *capture_opts);
+extern gboolean
+sync_pipe_start(capture_options *capture_opts, capture_session *cap_session, void(*update_cb)(void));
/** User wants to stop capturing, gracefully close the capture child */
extern void
-sync_pipe_stop(capture_options *capture_opts);
+sync_pipe_stop(capture_session *cap_session);
/** User wants to stop the program, just kill the child as soon as possible */
extern void
-sync_pipe_kill(capture_options *capture_opts);
+sync_pipe_kill(int fork_child);
+/** Set wireless channel using dumpcap */
+extern int
+sync_interface_set_80211_chan(const gchar *iface, const char *freq, const gchar *type,
+ gchar **data, gchar **primary_msg,
+ gchar **secondary_msg, void (*update_cb)(void));
-/** the child has opened a new capture file, notify the parent */
-extern void
-sync_pipe_filename_to_parent(const char *filename);
+/** Get an interface list using dumpcap */
+extern int
+sync_interface_list_open(gchar **data, gchar **primary_msg,
+ gchar **secondary_msg, void (*update_cb)(void));
+
+/** Get interface capabilities using dumpcap */
+extern int
+sync_if_capabilities_open(const gchar *ifname, gboolean monitor_mode,
+ gchar **data, gchar **primary_msg,
+ gchar **secondary_msg, void (*update_cb)(void));
+
+/** Start getting interface statistics using dumpcap. */
+extern int
+sync_interface_stats_open(int *read_fd, int *fork_child, gchar **msg, void (*update_cb)(void));
+
+/** Stop gathering statistics. */
+extern int
+sync_interface_stats_close(int *read_fd, int *fork_child, gchar **msg);
+
+/** Read a line from a pipe, similar to fgets. Non-blocking. */
+extern int
+sync_pipe_gets_nonblock(int pipe_fd, char *bytes, int max);
-/** the child captured some new packets, notify the parent */
+/*
+ * Routines supplied by our caller; we call them back to notify them
+ * of various events.
+ *
+ * XXX - this is *really* ugly. We should do this better.
+ */
+
+/**
+ * Capture child told us we have a new (or the first) capture file.
+ */
+extern gboolean
+capture_input_new_file(capture_session *cap_session, gchar *new_file);
+
+/**
+ * Capture child told us we have new packets to read.
+ */
extern void
-sync_pipe_packet_count_to_parent(int packet_count);
+capture_input_new_packets(capture_session *cap_session, int to_read);
-/** the child stopped capturing, notify the parent */
+/**
+ * Capture child told us how many dropped packets it counted.
+ */
extern void
-sync_pipe_drops_to_parent(int drops);
+capture_input_drops(capture_session *cap_session, guint32 dropped);
-/** the child encountered an error with a capture filter, notify the parent */
+/**
+ * Capture child told us that an error has occurred while starting the capture.
+ */
extern void
-sync_pipe_cfilter_error_to_parent(const char *cfilter, const char *errmsg);
+capture_input_error_message(capture_session *cap_session, char *error_message,
+ char *secondary_error_msg);
-/** the child encountered an error, notify the parent */
-extern void
-sync_pipe_errmsg_to_parent(const char *error_msg,
- const char *secondary_error_msg);
+/**
+ * Capture child told us that an error has occurred while parsing a
+ * capture filter when starting/running the capture.
+ */
+extern void
+capture_input_cfilter_error_message(capture_session *cap_session, guint i,
+ char *error_message);
+/**
+ * Capture child closed its side of the pipe, report any error and
+ * do the required cleanup.
+ */
+extern void
+capture_input_closed(capture_session *cap_session, gchar *msg);
-/** does the parent signalled the child to stop */
-#ifdef _WIN32
-extern gboolean
-signal_pipe_check_running(void);
-#endif
+/* set a callback to be called after fork with the pid of the forked child */
+extern void capture_sync_set_fetch_dumpcap_pid_cb(void(*cb)(int pid));
#endif /* capture_sync.h */
git.samba.org / metze / wireshark / wip.git / blobdiff