extern "C" { #include } struct gsm_conf { char debug[128]; /* debug info */ char interface_bsc[64]; /* loopback interface BSC side */ char interface_lcr[64]; /* loopback interface LCR side */ char openbsc_cfg[128]; /* openbsc config file */ char short_name[64]; /* short network name */ char long_name[64]; /* long network name */ char hlr[64]; /* database name */ int allow_all; /* accept unknown subscribers */ int keep_l2; /* keep layer 2 after exit */ int noemergshut; /* don't shut down on emergency */ char pcapfile[128]; /* open capture file for BS11 links */ int reject_cause; /* reject cause for unsubcribed IMSIs */ int rtp_proxy; /* enable RTP proxy */ }; struct lcr_gsm { void *network; /* OpenBSC network handle */ struct gsm_conf conf; /* gsm.conf options */ int gsm_sock; /* loopback interface BSC side */ int gsm_port; /* loopback interface port number */ }; extern struct lcr_gsm *gsm; /* GSM port class */ class Pgsm : public PmISDN { public: Pgsm(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode); ~Pgsm(); unsigned int p_m_g_callref; /* ref by OpenBSC */ unsigned int p_m_g_mode; /* data/transparent mode */ int p_m_g_gsm_b_sock; /* gsm bchannel socket */ int p_m_g_gsm_b_index; /* gsm bchannel socket index to use */ int p_m_g_gsm_b_active; /* gsm bchannel socket is activated */ struct lcr_msg *p_m_g_notify_pending; /* queue for NOTIFY if not connected */ void *p_m_g_encoder, *p_m_g_decoder; /* gsm handle */ signed short p_m_g_rxdata[160]; /* receive audio buffer */ int p_m_g_rxpos; /* position in audio buffer 0..159 */ int p_m_g_tch_connected; /* indicates if audio is connected */ void bchannel_close(void); int bchannel_open(int index); void bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len); void bchannel_send(unsigned int prim, unsigned int id, unsigned char *data, int len); void trau_send(void *_tf); void trau_receive(void *_frame); int hunt_bchannel(void); void setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void stop_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *gsm); void alert_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void setup_cnf(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void setup_compl_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void disc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void rel_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void notify_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void hold_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void retr_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc); void message_setup(unsigned int epoint_id, int message_id, union parameter *param); void message_notify(unsigned int epoint_id, int message_id, union parameter *param); void message_alerting(unsigned int epoint_id, int message_id, union parameter *param); void message_connect(unsigned int epoint_id, int message_id, union parameter *param); void message_disconnect(unsigned int epoint_id, int message_id, union parameter *param); void message_release(unsigned int epoint_id, int message_id, union parameter *param); int message_epoint(unsigned int epoint_id, int message_id, union parameter *param); int handler(void); }; extern char *gsm_conf_error; int gsm_conf(struct gsm_conf *gsm_conf); int handle_gsm(void); int gsm_exit(int rc); int gsm_init(void);