tap-iax2-analysis.h

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#ifndef __TAP_IAX2_ANALYSIS_H__
#define __TAP_IAX2_ANALYSIS_H__
 
#include <epan/address.h>
#include <epan/packet_info.h>

 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/****************************************************************************/
typedef struct _iax2_bw_history_item {
    double   time;  
    uint32_t bytes; 
} iax2_bw_history_item;
 
 
#define BUFF_BW 300 
 

typedef struct _tap_iax2_stat_t {
    bool     first_packet;                    
    /* All fields below are valid only after iax2_packet_analyse() has been called. */
    uint32_t flags;                           
    uint16_t seq_num;                         
    uint32_t timestamp;                       
    uint32_t delta_timestamp;                 
    double   bandwidth;                       
    iax2_bw_history_item bw_history[BUFF_BW]; 
    uint16_t bw_start_index;                  
    uint16_t bw_index;                        
    uint32_t total_bytes;                     
    double   delta;                           
    double   jitter;                          
    double   diff;                            
    double   time;                            
    double   start_time;                      
    double   max_delta;                       
    double   max_jitter;                      
    double   mean_jitter;                     
    uint32_t max_nr;                          
    uint16_t start_seq_nr;                    
    uint16_t stop_seq_nr;                     
    uint32_t total_nr;                        
    uint32_t sequence;                        
    bool     under;                           
    int      cycles;                          
    uint16_t pt;                              
    int      reg_pt;                          
} tap_iax2_stat_t;
 
#define PT_UNDEFINED -1
 
/* status flags for the flags parameter in tap_iax2_stat_t */
#define STAT_FLAG_FIRST             0x001
#define STAT_FLAG_MARKER            0x002
#define STAT_FLAG_WRONG_SEQ         0x004
#define STAT_FLAG_PT_CHANGE         0x008
#define STAT_FLAG_PT_CN             0x010
#define STAT_FLAG_FOLLOW_PT_CN      0x020
#define STAT_FLAG_REG_PT_CHANGE     0x040
#define STAT_FLAG_WRONG_TIMESTAMP   0x080
 
/* function for analysing an IAX2 packet. Called from iax2_analysis. */

extern void iax2_packet_analyse(tap_iax2_stat_t *statinfo,
        packet_info *pinfo,
        const struct _iax2_info_t *iax2info);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __TAP_IAX2_ANALYSIS_H__ */