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asterisk/channels/misdn/isdn_lib_intern.h

160 lines
4.1 KiB
C

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