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 <epan/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; 
    /* --- Payload type tracking --- */
    uint8_t     first_payload_type;          
    const char *first_payload_type_name;     
    const char *payload_type_names[256];     
    char       *all_payload_type_names;      
    /* --- Stream status --- */
    bool     is_srtp;      
    uint32_t packet_count; 
    bool     end_stream;   
    int      rtp_event;    
    /* --- Call association --- */
    int      call_num;           
    uint32_t setup_frame_number; 
    /* --- Timing extents --- */
    frame_data *start_fd;       
    frame_data *stop_fd;        
    nstime_t    start_rel_time; 
    nstime_t    stop_rel_time;  
    nstime_t    start_abs_time; 
    /* --- VLAN and QoS tagging --- */
    uint16_t vlan_id;            
    bool     tag_vlan_error;     
    bool     tag_diffserv_error; 
    /* --- Statistics and diagnostics --- */
    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);
 
void rtpstream_set_apply_display_filter(rtpstream_tapinfo_t *tapinfo, bool apply);
 
#define MAX_SILENCE_FRAMES 14400000
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __RTP_STREAM_H__ */