-extern "C" {
-#include <openbsc/gsm_data.h>
-}
-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 */
+#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 */
};
-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 */
+enum {
+ LCR_GSM_TYPE_NETWORK,
+ LCR_GSM_TYPE_MS,
};
-extern struct lcr_gsm *gsm;
+struct lcr_gsm {
+ char interface_name[64]; /* name of interface this instance is associated to */
+ 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
+class Pgsm : public Port
{
public:
- Pgsm(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode);
+ Pgsm(int type, char *portname, struct port_settings *settings, struct interface *interface);
~Pgsm();
- struct lcr_work p_m_g_delete; /* timer for audio transmission */
- 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 */
- 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 */
+ signed short p_g_samples[160]; /* last received audi packet */
+ int p_g_tones; /* set, if tones are to be generated */
+ int p_g_earlyb; /* set, if patterns are available */
+ struct lcr_gsm *p_g_lcr_gsm; /* pointer to network/ms instance */
+ unsigned int p_g_callref; /* ref by OpenBSC/Osmocom-BB */
+ struct lcr_work p_g_delete; /* queue destruction of GSM port instance */
+ unsigned int p_g_mode; /* data/transparent mode */
+ int p_g_gsm_b_sock; /* gsm bchannel socket */
+ struct lcr_fd p_g_gsm_b_fd; /* event node */
+ int p_g_gsm_b_index; /* gsm bchannel socket index to use */
+ int p_g_gsm_b_active; /* gsm bchannel socket is activated */
+ struct lcr_msg *p_g_notify_pending; /* queue for NOTIFY if not connected */
+ struct lcr_msg *p_g_setup_pending; /* queue SETUP until RTP is created */
+ struct lcr_msg *p_g_connect_pending; /* queue CONNECT until RTP is created and connected */
+ void *p_g_fr_encoder, *p_g_fr_decoder; /* gsm handle */
+ void *p_g_hr_encoder, *p_g_hr_decoder; /* gsm handle */
+ void *p_g_amr_encoder, *p_g_amr_decoder;/* gsm handle */
+ signed short p_g_rxdata[160]; /* receive audio buffer */
+ int p_g_rxpos; /* position in audio buffer 0..159 */
+ int p_g_tch_connected; /* indicates if audio is connected */
+ int p_g_media_type; /* current payload type or 0 if not set */
+ int p_g_payload_type; /* current payload type */
- 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);
+ int p_g_rtp_bridge; /* if we use a bridge */
+ unsigned int p_g_rtp_ip_remote; /* stores ip */
+ unsigned short p_g_rtp_port_remote; /* stores port */
+ int p_g_rtp_payloads;
+ int p_g_rtp_media_types[8];
+ unsigned char p_g_rtp_payload_types[8];
- void frame_send(void *_frame);
+ void frame_send(void *_frame, int len, int msg_type);
void frame_receive(void *_frame);
+ int audio_send(unsigned char *data, int len);
+ int bridge_rx(unsigned char *data, int len);
+ void send_mncc_rtp_connect(void);
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 modify_lchan(int media_type);
+ 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 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 rtp_create_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc);
+ void rtp_connect_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_progress(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);
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(const char *interface_name, class Pgsm *port, unsigned int msg_type, int direction);
int gsm_conf(struct gsm_conf *gsm_conf, char *conf_error);
-int handle_gsm(void);
int gsm_exit(int rc);
int gsm_init(void);
+int mncc_socket_retry_cb(struct lcr_timer *timer, void *inst, int index);
projects / lcr.git / blobdiff