From 2ed0fee489c37a6e2d4473f6185ebbe3e746ac11 Mon Sep 17 00:00:00 2001 From: Super User Date: Sun, 6 May 2007 15:54:52 +0200 Subject: only for backup, still in coding state - no compile!!! --- mISDN.h | 142 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 mISDN.h (limited to 'mISDN.h') diff --git a/mISDN.h b/mISDN.h new file mode 100644 index 0000000..a82933b --- /dev/null +++ b/mISDN.h @@ -0,0 +1,142 @@ +/*****************************************************************************\ +** ** +** PBX4Linux ** +** ** +**---------------------------------------------------------------------------** +** Copyright: Andreas Eversberg ** +** ** +** mISDN-port header file ** +** ** +\*****************************************************************************/ + + +#define B_STATE_IDLE 0 +#define B_STATE_ACTIVATING 1 +#define B_STATE_ACTIVE 2 +#define B_STATE_DEACTIVATING 3 + + +extern int entity; +extern int mISDNdevice; + +/* mISDN port structure list */ +struct mISDNport { + net_stack_t nst; /* MUST be the first entry, so &nst equals &mISDNlist */ + manager_t mgr; + struct mISDNport *next; + 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 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 */ + int use; /* counts the number of port that uses this port */ + int ntmode; /* is TRUE if port is nt mode */ + int pri; /* is TRUE if port is a primary rate interface */ + int upper_id; /* id to transfer data down */ + int lower_id; /* id to transfer data up */ + int d_stid; + 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 */ +}; +extern mISDNport *mISDNport_first; + +/* + + notes on bchannels: + +if a b-channel is in use, the b_port[channel] is linked to the port using it. +also each used b-channel counts b_inuse. +to assign a bchannel, that is not jet defined due to remote channel assignment, +the b_inuse is also increased to reserve channel + +'use' is the number of port instances using this mISDNport. this counts also +calls with no bchannel (call waiting, call on hold). + +*/ + + +/* mISDN none-object functions */ +void mISDN_port_info(void); +struct mISDNport *mISDNport_open(int port, int ptp); +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); + + +/* mISDN port classes */ +class PmISDN : public Port +{ + public: + PmISDN(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel); + ~PmISDN(); + void bchannel_receive(iframe_t *frm); + int handler(void); + 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); + 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_echo, p_m_conf; /* remote echo, conference number */ + 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_dtmf; /* dtmf decoding is enabled */ + + int p_m_crypt; /* encryption is enabled */ + int p_m_crypt_msg_loops; /* sending a message */ + int p_m_crypt_msg_len; + unsigned char p_m_crypt_msg[1100]; + int p_m_crypt_msg_current; + unsigned char p_m_crypt_key[128]; + int p_m_crypt_key_len; + int p_m_crypt_listen; + 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; + void cryptman_listen_bch(unsigned char *p, int l); + + void set_tone(char *dir, char *name); + void set_echotest(int echotest); + + 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_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); +}; + +extern unsigned char mISDN_rand[256]; /* noisy randomizer */ + -- cgit v1.2.3-55-g7522