160 lines
4.1 KiB
C
160 lines
4.1 KiB
C
#ifndef ISDN_LIB_INTERN
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#define ISDN_LIB_INTERN
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#include <mISDNuser/mISDNlib.h>
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#include <mISDNuser/isdn_net.h>
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#include <mISDNuser/l3dss1.h>
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#include <mISDNuser/net_l3.h>
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#include <pthread.h>
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#include "isdn_lib.h"
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#ifndef MISDNUSER_VERSION_CODE
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#error "You need a newer version of mISDNuser ..."
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#elif MISDNUSER_VERSION_CODE < MISDNUSER_VERSION(1, 0, 3)
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#error "You need a newer version of mISDNuser ..."
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#endif
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#define QI_ELEMENT(a) a.off
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#ifndef mISDNUSER_HEAD_SIZE
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#define mISDNUSER_HEAD_SIZE (sizeof(mISDNuser_head_t))
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/*#define mISDNUSER_HEAD_SIZE (sizeof(mISDN_head_t))*/
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#endif
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#if 0
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ibuffer_t *astbuf; /* Not used */
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ibuffer_t *misdnbuf; /* Not used */
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#endif
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struct send_lock {
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pthread_mutex_t lock;
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};
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struct isdn_msg {
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unsigned long misdn_msg;
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enum event_e event;
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void (*msg_parser)(struct isdn_msg *msgs, msg_t *msg, struct misdn_bchannel *bc, int nt);
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msg_t *(*msg_builder)(struct isdn_msg *msgs, struct misdn_bchannel *bc, int nt);
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char *info;
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} ;
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/* for isdn_msg_parser.c */
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msg_t *create_l3msg(int prim, int mt, int dinfo , int size, int nt);
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#if defined(AST_MISDN_ENHANCEMENTS)
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/* Max call-completion REGISTER signaling links per stack/port */
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#define MISDN_MAX_REGISTER_LINKS MAX_BCHANS
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#else
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/* Max call-completion REGISTER signaling links per stack/port */
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#define MISDN_MAX_REGISTER_LINKS 0
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#endif /* defined(AST_MISDN_ENHANCEMENTS) */
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#define MAXPROCS 0x100
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struct misdn_stack {
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/** is first element because &nst equals &mISDNlist **/
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net_stack_t nst;
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manager_t mgr;
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pthread_mutex_t nstlock;
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/*! \brief Stack struct critical section lock. */
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pthread_mutex_t st_lock;
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/*! \brief D Channel mISDN driver stack ID (Parent stack ID) */
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int d_stid;
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/*! \brief Number of B channels supported by this port */
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int b_num;
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/*! \brief B Channel mISDN driver stack IDs (Child stack IDs) */
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int b_stids[MAX_BCHANS + 1];
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/*! \brief TRUE if Point-To-Point(PTP) (Point-To-Multipoint(PTMP) otherwise) */
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int ptp;
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/*! \brief Number of consecutive times PTP Layer 2 declared down */
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int l2upcnt;
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int l2_id; /* Not used */
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/*! \brief Lower layer mISDN ID (addr) (Layer 1/3) */
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int lower_id;
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/*! \brief Upper layer mISDN ID (addr) (Layer 2/4) */
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int upper_id;
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/*! \brief TRUE if port is blocked */
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int blocked;
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/*! \brief TRUE if Layer 2 is UP */
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int l2link;
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/*! \brief TRUE if Layer 1 is UP */
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int l1link;
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/*! \brief TRUE if restart has been sent to the other side after stack startup */
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int restart_sent;
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/*! \brief mISDN device handle returned by mISDN_open() */
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int midev;
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/*! \brief TRUE if NT side of protocol (TE otherwise) */
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int nt;
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/*! \brief TRUE if ISDN-PRI (ISDN-BRI otherwise) */
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int pri;
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/*! \brief CR Process ID allocation table. TRUE if ID allocated */
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int procids[MAXPROCS];
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/*! \brief Queue of Event messages to send to mISDN */
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msg_queue_t downqueue;
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msg_queue_t upqueue; /* No code puts anything on this queue */
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int busy; /* Not used */
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/*! \brief Logical Layer 1 port associated with this stack */
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int port;
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/*!
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* \brief B Channel record pool array
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* (Must be dimensioned the same as struct misdn_stack.channels[])
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*/
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struct misdn_bchannel bc[MAX_BCHANS + 1 + MISDN_MAX_REGISTER_LINKS];
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/*!
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* \brief Array of B channels in use (a[0] = B1). TRUE if B channel in use.
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* (Must be dimensioned the same as struct misdn_stack.bc[])
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*/
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char channels[MAX_BCHANS + 1 + MISDN_MAX_REGISTER_LINKS];
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/*! \brief List of held channels */
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struct misdn_bchannel *holding;
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/*! \brief Next stack in the list of stacks */
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struct misdn_stack *next;
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};
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struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc);
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int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *frm, int nt);
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enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *frm, int nt);
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int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *frm, struct misdn_bchannel *bc, int nt);
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char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt);
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msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt);
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int isdn_msg_get_index_by_event(struct isdn_msg msgs[], enum event_e event, int nt);
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char * isdn_msg_get_info(struct isdn_msg msgs[], msg_t *msg, int nt);
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#endif
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