/*****************************************************************************\
** **
-** PBX4Linux **
+** Linux Call Router **
** **
**---------------------------------------------------------------------------**
** Copyright: Andreas Eversberg **
** **
\*****************************************************************************/
-
-#define B_STATE_IDLE 0
-#define B_STATE_ACTIVATING 1
-#define B_STATE_ACTIVE 2
-#define B_STATE_DEACTIVATING 3
-
+#define FROMUP_BUFFER_SIZE 1024
+#define FROMUP_BUFFER_MASK 1023
extern int entity;
extern int mISDNdevice;
+extern int mISDNsocket;
+
+enum {
+ B_EVENT_USE, /* activate bchannel */
+ B_EVENT_ACTIVATED, /* DL_ESTABLISH received */
+ B_EVENT_DROP, /* deactivate bchannel */
+ B_EVENT_DEACTIVATED, /* DL_RELEASE received */
+ B_EVENT_TIMEOUT, /* timeout happed during (de)activation */
+};
+
/* mISDN port structure list */
struct mISDNport {
- net_stack_t nst; /* MUST be the first entry, so &nst equals &mISDNlist */
- manager_t mgr;
+ struct mlayer3 *ml3;
struct mISDNport *next;
+ char name[64]; /* name of port, if available */
struct interface_port *ifport; /* link to interface_port */
// int iftype; /* IF_* */
// int multilink; /* if set, this port will not support callwaiting */
- int portnum; /* port number */
+ int portnum; /* port number 1..n */
int ptp; /* if ptp is set, we keep track of l2link */
int l1link; /* if l1 is available (only works with nt-mode) */
int l2link; /* if l2 is available (at PTP we take this serious) */
-// time_t l1timeout; /* timout when establishing link */
- time_t l2establish; /* time until establishing after link failure */
+ unsigned char l2mask[16]; /* 128 bits for each tei */
+ int l1hold; /* set, if layer 1 should be holt */
+ int l2hold; /* set, if layer 2 must be hold/checked */
+ struct lcr_timer l2establish; /* time until establishing after link failure */
int use; /* counts the number of port that uses this port */
- int ntmode; /* is TRUE if port is nt mode */
+ int ntmode; /* is TRUE if port is NT mode */
+ int tespecial; /* is TRUE if port uses special TE mode */
int pri; /* is TRUE if port is a primary rate interface */
- int is_tones; /* TRUE if tones are sent outside connect state */
- int is_earlyb; /* TRUE if tones are received outside connect state */
- int upper_id; /* id to transfer data down */
- int lower_id; /* id to transfer data up */
- int d_stid;
+ int pots; /* is TRUE if port is of type POTS */
+ struct lcr_fd pots_sock; /* socket for L1 */
+ int tones; /* TRUE if tones are sent outside connect state */
+ int earlyb; /* TRUE if tones are received outside connect state */
int b_num; /* number of bchannels */
int b_reserved; /* number of bchannels reserved or in use */
- class PmISDN *b_port[128]; /* maximum number of ports shall be 128 due to S0 / E1 / special E1 */
- int b_stid[128];
- int b_addr[128];
- int b_state[128]; /* state 0 = IDLE */
- int procids[128]; /* keep track of free ids */
- msg_queue_t downqueue; /* l4->l3 */
+ class PmISDN *b_port[128]; /* bchannel assigned to port object */
+ struct mqueue upqueue;
+ struct lcr_fd b_sock[128]; /* socket list elements */
+ int b_mode[128]; /* B_MODE_* */
+ int b_state[128]; /* statemachine, 0 = IDLE */
+ struct lcr_timer b_timer[128]; /* timer for bchannel state machine */
+ int locally; /* local causes are sent as local causes not remote */
+ int los, ais, rdi, slip_rx, slip_tx;
+
+ /* ss5 */
+ unsigned int ss5; /* set, if SS5 signalling enabled, also holds feature bits */
};
extern mISDNport *mISDNport_first;
/* mISDN none-object functions */
-void mISDN_port_info(void);
-struct mISDNport *mISDNport_open(int port, int ptp);
+int mISDN_initialize(void);
+void mISDN_deinitialize(void);
+int mISDN_getportbyname(int sock, int cnt, char *portname);
+struct mISDNport *mISDNport_open(struct interface_port *ifport);
+void mISDNport_static(struct mISDNport *mISDNport);
void mISDNport_close_all(void);
void mISDNport_close(struct mISDNport *mISDNport);
void mISDN_port_reorder(void);
-int mISDN_handler(void);
-void enc_ie_cause_standalone(unsigned char **ntmode, msg_t *msg, int location, int cause);
-void ph_control(unsigned long b_addr, int c1, int c2);
-void ph_control_block(unsigned long b_addr, int c1, void *c2, int c2_len);
-msg_t *create_l2msg(int prim, int dinfo, int size);
-void setup_queue(struct mISDNport *mISDNport, int link);
-int stack2manager_nt(void *dat, void *arg);
-int stack2manager_te(struct mISDNport *mISDNport, msg_t *msg);
+void enc_ie_cause_standalone(struct l3_msg *l3m, int location, int cause);
+int stack2manager(struct mISDNport *mISDNport, unsigned int cmd, unsigned int pid, struct l3_msg *l3m);
+void ph_control(struct mISDNport *mISDNport, class PmISDN *isdnport, unsigned int handle, unsigned int c1, unsigned int c2, const char *trace_name, int trace_value);
+void ph_control_block(struct mISDNport *mISDNport, unsigned int handle, unsigned int c1, void *c2, int c2_len, const char *trace_name, int trace_value);
+void chan_trace_header(struct mISDNport *mISDNport, class PmISDN *port, const char *msgtext, int direction);
+void l1l2l3_trace_header(struct mISDNport *mISDNport, class PmISDN *port, unsigned int prim, int direction);
+void bchannel_event(struct mISDNport *mISDNport, int i, int event);
/* mISDN port classes */
class PmISDN : public Port
{
public:
- PmISDN(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel);
+ PmISDN(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, struct interface *interface, int channel, int exclusive, int mode);
~PmISDN();
- void bchannel_receive(iframe_t *frm);
- int handler(void);
+ void bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len);
void transmit(unsigned char *buffer, int length);
- int message_epoint(unsigned long epoint_id, int message, union parameter *param);
- void message_mISDNsignal(unsigned long epoint_id, int message_id, union parameter *param);
- void message_crypt(unsigned long epoint_id, int message_id, union parameter *param);
+ int message_epoint(unsigned int epoint_id, int message, union parameter *param);
+ void message_mISDNsignal(unsigned int epoint_id, int message_id, union parameter *param);
+ void message_crypt(unsigned int epoint_id, int message_id, union parameter *param);
struct mISDNport *p_m_mISDNport; /* pointer to port */
int p_m_delay; /* use delay instead of dejitter */
- int p_m_txvol, p_m_rxvol; /* volume shift (0 = no change) */
+ int p_m_tx_dejitter; /* use dejitter on transmit data to DSP */
+ int p_m_disable_dejitter; /* usefull to send fax via bridge */
+ int p_m_preload; /* set to ISDN_LOAD, but may be changed later */
+ int p_m_tx_gain, p_m_rx_gain; /* volume shift (0 = no change) */
+ char p_m_pipeline[256]; /* filter pipeline */
int p_m_echo, p_m_conf; /* remote echo, conference number */
+ int p_m_mute; /* if set, conf is disconnected */
int p_m_tone; /* current kernel space tone */
int p_m_rxoff; /* rx from driver is disabled */
- int p_m_nodata; /* all parties within a conf are isdn ports, so pure bridging is possible */
-// int p_m_txmix; /* mix tx with conference */
-// int p_m_txmix_on; /* delay for turning back on after sending a binary message, must be signed */
+ int p_m_txdata; /* get what we transmit */
int p_m_dtmf; /* dtmf decoding is enabled */
+ int p_m_dtmf_threshold; /* dtmf level threshold */
+
+ int bridge_rx(unsigned char *data, int len);
+
+ struct lcr_timer p_m_loadtimer; /* timer for audio transmission */
+ virtual void update_load(void);
+ void load_tx(void);
+ int p_m_load; /* current data in dsp tx buffer */
+ unsigned int p_m_last_tv_sec; /* time stamp of last tx_load call, (to sync audio data */
+ unsigned int p_m_last_tv_msec;
int p_m_crypt; /* encryption is enabled */
int p_m_crypt_msg_loops; /* sending a message */
int p_m_crypt_listen_state;
int p_m_crypt_listen_len;
unsigned char p_m_crypt_listen_msg[1100];
- unsigned long p_m_crypt_listen_crc;
+ unsigned int p_m_crypt_listen_crc;
void cryptman_listen_bch(unsigned char *p, int l);
- void set_tone(char *dir, char *name);
+ void set_tone(const char *dir, const char *name);
void set_echotest(int echotest);
+ void set_conf(int oldconf, int newconf);
int p_m_portnum; /* used port number (1...n) */
int p_m_b_index; /* index 0,1 0..29 */
int p_m_b_channel; /* number 1,2 1..15,17... */
int p_m_b_exclusive; /* if bchannel is exclusive */
-// int p_m_b_reserved; /* set if channel is reserved */
- int p_m_b_stid; /* current stack id */
- int p_m_b_addr; /* current layer address */
- long long p_m_jittercheck; /* time of audio data */
- long long p_m_jitterdropped; /* number of bytes dropped */
- int p_m_delete; /* true if obj. must del. */
+ int p_m_b_reserve; /* set if channel is reserved */
+ int p_m_b_mode; /* bchannel mode */
int p_m_hold; /* if port is on hold */
- unsigned long p_m_timeout; /* timeout of timers */
- time_t p_m_timer; /* start of timer */
-
- int alloc_bchannel(int channel, int exclusive);
- void free_bchannel(void);
+ struct lcr_timer p_m_timeout; /* timeout of timers */
+
+ int p_m_inband_send_on; /* triggers optional send function */
+ int p_m_inband_receive_on; /* triggers optional receive function */
+ int p_m_mute_on; /* if mute is on, bridge is removed */
+ virtual int inband_send(unsigned char *buffer, int len);
+ void inband_send_on(void);
+ void inband_send_off(void);
+ virtual void inband_receive(unsigned char *buffer, int len);
+ void inband_receive_on(void);
+ void inband_receive_off(void);
+ void mute_on(void);
+ void mute_off(void);
+ void update_rxoff(void);
+
+ int seize_bchannel(int channel, int exclusive); /* requests / reserves / links bchannels, but does not open it! */
+ void drop_bchannel(void);
};
extern unsigned char mISDN_rand[256]; /* noisy randomizer */
projects / lcr.git / blobdiff