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/* capture_session.h
* State of a capture session
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later*/
#ifndef __CAPCHILD_CAPTURE_SESSION_H__
#define __CAPCHILD_CAPTURE_SESSION_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef _WIN32
#include <sys/types.h>
#include <stdint.h>
#endif
#include "capture_opts.h"
#include <wsutil/processes.h>
#ifdef HAVE_LIBPCAP
/* 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;
#include "cfile.h"
struct _info_data;
/*
* State of a capture session.
*/
typedef struct _capture_session {
ws_process_id fork_child; /**< If not WS_INVALID_PID, in parent, process ID of child */
int fork_child_status; /**< Child exit status */
#ifdef _WIN32
int signal_pipe_write_fd; /**< the pipe to signal the child */
#endif
capture_state state; /**< current state of the capture engine */
#ifndef _WIN32
uid_t owner; /**< owner of the cfile */
gid_t group; /**< group of the cfile */
#endif
gboolean session_started;
guint32 count; /**< Total number of frames captured */
capture_options *capture_opts; /**< options for this capture */
capture_file *cf; /**< handle to cfile */
struct _info_data *cap_data_info; /**< stats for this capture */
} capture_session;
extern void
capture_session_init(capture_session *cap_session, capture_file *cf);
#else
/* dummy is needed because clang throws the error: empty struct has size 0 in C, size 1 in C++ */
typedef struct _capture_session {int dummy;} capture_session;
#endif /* HAVE_LIBPCAP */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CAPCHILD_CAPTURE_SESSION_H__ */
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