forked from osmocom/wireshark
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/* capture_sync.h
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* Synchronisation between Wireshark capture parent and child instances
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/** @file
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*
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* Sync mode capture (internal interface).
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*
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* Will start a new Wireshark child instance which will do the actual capture
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* work.
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*/
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#ifndef __CAPTURE_SYNC_H__
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#define __CAPTURE_SYNC_H__
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/**
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* Start a new capture session.
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* Create a capture child which is doing the real capture work.
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* The various capture_input_... functions will be called, if something had
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* happened.
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*
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* Most of the parameters are passed through the global capture_opts.
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*
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* @param capture_opts the options
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* @return TRUE if a capture could be started, FALSE if not
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*/
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extern gboolean
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sync_pipe_start(capture_options *capture_opts);
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/** User wants to stop capturing, gracefully close the capture child */
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extern void
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sync_pipe_stop(capture_options *capture_opts);
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/** User wants to stop the program, just kill the child as soon as possible */
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extern void
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sync_pipe_kill(int fork_child);
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/** Has the parent signalled the child to stop? */
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#define SIGNAL_PIPE_CTRL_ID_NONE "none"
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#ifdef _WIN32
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#define SIGNAL_PIPE_FORMAT "\\\\.\\pipe\\wireshark.%s.signal"
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#endif
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/** Get an interface list using dumpcap */
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extern int
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sync_interface_list_open(gchar **msg);
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/** Get a linktype list using dumpcap */
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extern int
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sync_linktype_list_open(const gchar *ifname, gchar **msg);
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/** Start getting interface statistics using dumpcap. */
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extern int
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sync_interface_stats_open(int *read_fd, int *fork_child, gchar **msg);
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/** Stop gathering statistics. */
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extern int
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sync_interface_stats_close(int *read_fd, int *fork_child, gchar **msg);
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/** Read a line from a pipe, similar to fgets. Non-blocking. */
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extern int
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sync_pipe_gets_nonblock(int pipe_fd, char *bytes, int max);
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#endif /* capture_sync.h */
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