rtp_stream.h

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#ifndef __RTP_STREAM_H__
#define __RTP_STREAM_H__
 
#include <glib.h>
 
#include "tap-rtp-analysis.h"
#include <stdio.h>
 
#include "cfile.h"
 
#include <epan/address.h>
#include <epan/tap.h>
 
#include "ui/rtp_stream_id.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
typedef struct _rtpstream_info {
    rtpstream_id_t  id;
 
    uint8_t         first_payload_type; 
    const char     *first_payload_type_name; 
    const char     *payload_type_names[256]; 
    char           *all_payload_type_names; 
    bool            is_srtp;
    uint32_t        packet_count;
    bool            end_stream; 
    int             rtp_event;
 
    int             call_num; 
    uint32_t        setup_frame_number; 
    /* Start and stop packets needed for .num and .abs_ts */
    frame_data     *start_fd;
    frame_data     *stop_fd;
    nstime_t        start_rel_time;     
    nstime_t        stop_rel_time;      
    nstime_t        start_abs_time;     
    uint16_t        vlan_id;
    bool            tag_vlan_error;
    bool            tag_diffserv_error;
 
    tap_rtp_stat_t  rtp_stats;  
    bool            problem;    
    const char     *ed137_info; 
} rtpstream_info_t;
 
typedef enum
{
    TAP_ANALYSE,
    TAP_SAVE,
    TAP_MARK
} tap_mode_t;
 
typedef struct _rtpstream_tapinfo rtpstream_tapinfo_t;
 
typedef void (*rtpstream_tap_reset_cb)(rtpstream_tapinfo_t *tapinfo);
typedef void (*rtpstream_tap_draw_cb)(rtpstream_tapinfo_t *tapinfo);
typedef void (*tap_mark_packet_cb)(rtpstream_tapinfo_t *tapinfo, frame_data *fd);
typedef void (*rtpstream_tap_error_cb)(GString *error_string);
 
/* structure that holds the information about all detected streams */
struct _rtpstream_tapinfo {
    rtpstream_tap_reset_cb tap_reset;       
    rtpstream_tap_draw_cb tap_draw;         
    tap_mark_packet_cb tap_mark_packet;     
    void              *tap_data;            
    int                nstreams; 
    GList             *strinfo_list; 
    GHashTable        *strinfo_hash; 
                                     /*   multihash means that there can be */
                                     /*   more values related to one hash key */
    int                npackets; 
    /* used while tapping. user shouldn't modify these */
    tap_mode_t         mode;
    rtpstream_info_t  *filter_stream_fwd; 
    rtpstream_info_t  *filter_stream_rev; 
    FILE              *save_file;
    bool               is_registered; 
    bool               apply_display_filter; 
};
 
#if 0
#define RTP_STREAM_DEBUG(...) { \
    char *RTP_STREAM_DEBUG_MSG = ws_strdup_printf(__VA_ARGS__); \
    ws_warning("rtp_stream: %s:%d %s", G_STRFUNC, __LINE__, RTP_STREAM_DEBUG_MSG); \
    g_free(RTP_STREAM_DEBUG_MSG); \
}
#else
#define RTP_STREAM_DEBUG(...)
#endif
 
/****************************************************************************/
/* INTERFACE */
 
void show_tap_registration_error(GString *error_string);
 
void rtpstream_scan(rtpstream_tapinfo_t *tapinfo, capture_file *cap_file, const char *fstring);
 
bool rtpstream_save(rtpstream_tapinfo_t *tapinfo, capture_file *cap_file, rtpstream_info_t* stream, const char *filename);
 
void rtpstream_mark(rtpstream_tapinfo_t *tapinfo, capture_file *cap_file, rtpstream_info_t* stream_fwd, rtpstream_info_t* stream_rev);
 
/* Constant based on fix for bug 4119/5902: don't insert too many silence
 * frames.
 */
#define MAX_SILENCE_FRAMES 14400000
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __RTP_STREAM_H__ */