5d404864f2
use the console_log_handler in main.c for win32 AND unix now Currently use the log for the capturing engine (only), as I desperately needed a log output for debugging. svn path=/trunk/; revision=14438
186 lines
6.6 KiB
C
186 lines
6.6 KiB
C
/* capture.h
|
|
* Definitions for packet capture windows
|
|
*
|
|
* $Id$
|
|
*
|
|
* Ethereal - Network traffic analyzer
|
|
* By Gerald Combs <gerald@ethereal.com>
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/* This file should only be included if libpcap is present */
|
|
|
|
#ifndef __CAPTURE_H__
|
|
#define __CAPTURE_H__
|
|
|
|
/** @file
|
|
* Capture related things.
|
|
*/
|
|
|
|
/** Name we give to the child process when doing a "-S" capture. */
|
|
#define CHILD_NAME "ethereal-capture"
|
|
|
|
|
|
/* 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);
|
|
|
|
extern void
|
|
capture_opts_add_opt(capture_options *capture_opts, const char *appname, int opt, const char *optarg, gboolean *start_capture);
|
|
|
|
/* log content of capture_opts */
|
|
extern void
|
|
capture_opts_log(const char *log_domain, GLogLevelFlags log_level, capture_options *capture_opts);
|
|
|
|
|
|
|
|
/**
|
|
* Start a capture session.
|
|
*
|
|
* @param capture_opts the numerous capture options
|
|
* @return TRUE if the capture starts successfully, FALSE otherwise.
|
|
*/
|
|
extern gboolean capture_start(capture_options *capture_opts);
|
|
|
|
/** Stop a capture session (usually from a menu item). */
|
|
extern void capture_stop(capture_options *capture_opts);
|
|
|
|
/** Restart the current captured packets and start again. */
|
|
extern void capture_restart(capture_options *capture_opts);
|
|
|
|
/** 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);
|
|
|
|
/**
|
|
* Capture child told us, we have new packets to read.
|
|
*/
|
|
extern void capture_input_new_packets(capture_options *capture_opts, int to_read);
|
|
|
|
/**
|
|
* Capture child closed it's side ot the pipe, do the required cleanup.
|
|
*/
|
|
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);
|
|
|
|
|
|
#endif /* capture.h */
|