From 20a671d76854520ad9d5ea9d481e008240465e62 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Mon, 11 May 2009 11:07:58 +0200 Subject: Added GSM network support. This turns LCR into a GSM mobile switching center. More infos will follow. --- gsm.h | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 gsm.h (limited to 'gsm.h') diff --git a/gsm.h b/gsm.h new file mode 100644 index 0000000..61676de --- /dev/null +++ b/gsm.h @@ -0,0 +1,89 @@ + +struct bts_conf { + int type; /* type of BTS */ + int card; /* E1 card number of BS11 BTS */ + int numtrx; /* up to 8 TRXs */ + int frequency[8]; /* up to 8 frequencies for TRXs */ +}; + +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 short_name[64]; /* short network name */ + char long_name[64]; /* long network name */ + int mcc; /* mobile country code */ + int mnc; /* mobile network code */ + int lac; /* location area code */ + char hlr[64]; /* database name */ + int allow_all; /* accept unknown subscribers */ + int keep_l2; /* keep layer 2 after exit */ + int numbts; /* number of BTS' */ + struct bts_conf bts[8]; /* configure BTS' */ + int noemergshut; /* don't shut down on emergency */ +}; + +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); + -- cgit v1.2.3-55-g7522