lcr/gsm.h

83 lines
3.6 KiB
C++

#include <sys/un.h>
extern int new_callref;
struct mncc_q_entry {
struct mncc_q_entry *next;
unsigned int len;
char data[0]; /* struct gsm_mncc */
};
enum {
LCR_GSM_TYPE_NETWORK,
LCR_GSM_TYPE_MS,
};
struct lcr_gsm {
struct lcr_gsm *gsm_ms_next; /* list of MS instances, in case of MS */
char name[16]; /* name of MS instance, in case of MS */
int type; /* LCR_GSM_TYPE_*/
struct lcr_fd mncc_lfd; /* Unix domain socket to OpenBSC MNCC */
struct mncc_q_entry *mncc_q_hd;
struct mncc_q_entry *mncc_q_tail;
struct lcr_timer socket_retry; /* Timer to re-try connecting to BSC socket */
struct sockaddr_un sun; /* Socket address of MNCC socket */
};
/* 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();
struct lcr_gsm *p_m_g_lcr_gsm; /* pointer to network/ms instance */
unsigned int p_m_g_callref; /* ref by OpenBSC/Osmocom-BB */
struct lcr_work p_m_g_delete; /* queue destruction of GSM port instance */
unsigned int p_m_g_mode; /* data/transparent mode */
int p_m_g_gsm_b_sock; /* gsm bchannel socket */
struct lcr_fd p_m_g_gsm_b_fd; /* event node */
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 frame_send(void *_frame);
void frame_receive(void *_frame);
int hunt_bchannel(void);
void call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *gsm);
void call_proc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc);
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 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);
};
struct gsm_mncc *create_mncc(int msg_type, unsigned int callref);
int send_and_free_mncc(struct lcr_gsm *lcr_gsm, unsigned int msg_type, void *data);
void gsm_trace_header(struct mISDNport *mISDNport, class PmISDN *port, unsigned int msg_type, int direction);
int gsm_conf(struct gsm_conf *gsm_conf, char *conf_error);
int gsm_exit(int rc);
int gsm_init(void);
int mncc_socket_retry_cb(struct lcr_timer *timer, void *inst, int index);