2 * Synchronisation between Wireshark capture parent and child instances
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.
28 * Sync mode capture (internal interface).
30 * Will start a new Wireshark child instance which will do the actual capture
34 #ifndef __CAPTURE_SYNC_H__
35 #define __CAPTURE_SYNC_H__
39 * Start a new capture session.
40 * Create a capture child which is doing the real capture work.
41 * The various capture_input_... functions will be called, if something had
44 * Most of the parameters are passed through the global capture_opts.
46 * @param capture_opts the options
47 * @return TRUE if a capture could be started, FALSE if not
50 sync_pipe_start(capture_options *capture_opts);
52 /** User wants to stop capturing, gracefully close the capture child */
54 sync_pipe_stop(capture_options *capture_opts);
56 /** User wants to stop the program, just kill the child as soon as possible */
58 sync_pipe_kill(int fork_child);
60 /** Has the parent signalled the child to stop? */
61 #define SIGNAL_PIPE_CTRL_ID_NONE "none"
63 #define SIGNAL_PIPE_FORMAT "\\\\.\\pipe\\wireshark.%s.signal"
66 /** Get an interface list using dumpcap */
68 sync_interface_list_open(gchar **data, gchar **primary_msg,
69 gchar **secondary_msg);
71 /** Get interface capabilities using dumpcap */
73 sync_if_capabilities_open(const gchar *ifname, gboolean monitor_mode,
74 gchar **data, gchar **primary_msg,
75 gchar **secondary_msg);
77 /** Start getting interface statistics using dumpcap. */
79 sync_interface_stats_open(int *read_fd, int *fork_child, gchar **msg);
81 /** Stop gathering statistics. */
83 sync_interface_stats_close(int *read_fd, int *fork_child, gchar **msg);
85 /** Read a line from a pipe, similar to fgets. Non-blocking. */
87 sync_pipe_gets_nonblock(int pipe_fd, char *bytes, int max);
90 #endif /* capture_sync.h */