voip_calls.h

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#ifndef __VOIP_CALLS_H__
#define __VOIP_CALLS_H__
 
#include <glib.h>
 
#include <stdio.h>
 
#include "epan/address.h"
#include "epan/packet.h"
#include "epan/guid-utils.h"
#include "epan/tap.h"
#include "epan/tap-voip.h"
#include "epan/sequence_analysis.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/****************************************************************************/
extern const char *voip_call_state_name[8];
 
 
typedef enum _voip_protocol {
    VOIP_SIP,      
    VOIP_ISUP,     
    VOIP_H323,     
    VOIP_MGCP,     
    VOIP_AC_ISDN,  
    VOIP_AC_CAS,   
    MEDIA_T38,     
    TEL_H248,      
    TEL_SCCP,      
    TEL_BSSMAP,    
    TEL_RANAP,     
    VOIP_UNISTIM,  
    VOIP_SKINNY,   
    VOIP_IAX2,     
    VOIP_COMMON    
} voip_protocol;
 
 
typedef enum _hash_indexes {
    SIP_HASH = 0 
} hash_indexes;
 
 
extern const char *voip_protocol_name[];
 
 
typedef enum _flow_show_options
{
    FLOW_ALL,          
    FLOW_ONLY_INVITES  
} flow_show_options;
 
typedef enum _sip_call_state {
    SIP_INVITE_SENT, 
    SIP_200_REC,     
    SIP_CANCEL_SENT  
} sip_call_state;
 
 
typedef struct _sip_calls_info {
    char         *call_identifier; 
    uint32_t      invite_cseq;     
    sip_call_state sip_state;      
} sip_calls_info_t;
 
 
typedef struct _isup_calls_info {
    uint16_t cic; 
    uint32_t opc; 
    uint32_t dpc; 
    uint8_t  ni;  
} isup_calls_info_t;
 
 
typedef struct _h245_address {
    address  h245_address; 
    uint16_t h245_port;    
} h245_address_t;
 
 
typedef struct _h323_calls_info {
    e_guid_t *guid;                
    GList    *h245_list;           
    address   h225SetupAddr;       
    bool      is_h245;             
    bool      is_faststart_Setup;  
    bool      is_faststart_Proc;   
    bool      is_h245Tunneling;    
    int32_t   q931_crv;            
    int32_t   q931_crv2;           
    unsigned  requestSeqNum;       
} h323_calls_info_t;
 
 
typedef struct _mgcp_calls_info {
    char *endpointId;    
    bool  fromEndpoint;  
} mgcp_calls_info_t;
 
 
typedef struct _actrace_isdn_calls_info {
    int32_t crv;   
    int     trunk; 
} actrace_isdn_calls_info_t;
 
 
typedef struct _actrace_cas_calls_info {
    int32_t bchannel; 
    int     trunk;    
} actrace_cas_calls_info_t;
 
 
typedef struct _skinny_calls_info {
    uint32_t callId; 
} skinny_calls_info_t;
 
 
typedef struct _voip_calls_info {
    voip_call_state        call_state;        
    voip_call_active_state call_active_state;  
    char                  *call_id;           
    char                  *from_identity;     
    char                  *to_identity;       
    void                  *prot_info;         
    void (*free_prot_info)(void *);           
    address                initial_speaker;   
    uint32_t               npackets;          
    voip_protocol          protocol;          
    char                  *protocol_name;     
    char                  *call_comment;      
    uint16_t               call_num;          
    frame_data            *start_fd;          
    nstime_t               start_rel_ts;      
    frame_data            *stop_fd;           
    nstime_t               stop_rel_ts;       
} voip_calls_info_t;
 
 
typedef struct _voip_calls_tapinfo {
    tap_reset_cb         tap_reset;          
    tap_packet_cb        tap_packet;         
    tap_draw_cb          tap_draw;           
    void                *tap_data;           
    int                  ncalls;             
    GQueue              *callsinfos;         
    GHashTable          *callsinfo_hashtable[1]; 
    int                  npackets;           
    voip_calls_info_t   *filter_calls_fwd;   
    int                  start_packets;      
    int                  completed_calls;    
    int                  rejected_calls;     
    seq_analysis_info_t *graph_analysis;     
    epan_t              *session;            
    int                  nrtpstreams;        
    GList               *rtpstream_list;     
    uint32_t             rtp_evt_frame_num;  
    uint8_t              rtp_evt;            
    bool                 rtp_evt_end;        
    char                *sdp_summary;        
    uint32_t             sdp_frame_num;      
    uint32_t             mtp3_opc;           
    uint32_t             mtp3_dpc;           
    uint8_t              mtp3_ni;            
    uint32_t             mtp3_frame_num;     
    struct _h245_labels *h245_labels;        
    uint8_t              q931_cause_value;   
    int32_t              q931_crv;           
    uint32_t             q931_frame_num;     
    uint32_t             h225_frame_num;     
    uint16_t             h225_call_num;      
    int                  h225_cstype;        
    bool                 h225_is_faststart;  
    uint32_t             sip_frame_num;      
    uint32_t             actrace_frame_num;  
    int32_t              actrace_trunk;      
    int32_t              actrace_direction;  
    flow_show_options    fs_option;          
    uint32_t             redraw;             
    bool                 apply_display_filter; 
} voip_calls_tapinfo_t;
 
#if 0
#define VOIP_CALLS_DEBUG(...) { \
    char *VOIP_CALLS_DEBUG_MSG = ws_strdup_printf(__VA_ARGS__); \
    ws_warning("voip_calls: %s:%d %s", G_STRFUNC, __LINE__, VOIP_CALLS_DEBUG_MSG); \
    g_free(VOIP_CALLS_DEBUG_MSG); \
}
#else
#define VOIP_CALLS_DEBUG(...)
#endif
 
/****************************************************************************/
/* INTERFACE */
 
void voip_calls_init_all_taps(voip_calls_tapinfo_t *tap_id_base);
 
void voip_calls_remove_all_tap_listeners(voip_calls_tapinfo_t *tap_id_base);
 
void voip_calls_reset_all_taps(voip_calls_tapinfo_t *tapinfo);
 
void
voip_calls_set_apply_display_filter(voip_calls_tapinfo_t *tapinfo, bool apply);
 
void
voip_calls_free_callsinfo(voip_calls_info_t *callsinfo);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __VOIP_CALLS_H__ */