Wed Aug 18 22:33:53 2010

Asterisk developer's documentation


isdn_lib_intern.h

Go to the documentation of this file.
00001 #ifndef ISDN_LIB_INTERN
00002 #define ISDN_LIB_INTERN
00003 
00004 
00005 #include <mISDNuser/mISDNlib.h>
00006 #include <mISDNuser/isdn_net.h>
00007 #include <mISDNuser/l3dss1.h>
00008 #include <mISDNuser/net_l3.h>
00009 
00010 #include <pthread.h>
00011 
00012 #include "isdn_lib.h"
00013 
00014 #ifndef MISDNUSER_VERSION_CODE
00015 #error "You need a newer version of mISDNuser ..."
00016 #elif MISDNUSER_VERSION_CODE < MISDNUSER_VERSION(1, 0, 3)
00017 #error "You need a newer version of mISDNuser ..."
00018 #endif
00019 
00020 
00021 #define QI_ELEMENT(a) a.off
00022 
00023 
00024 #ifndef mISDNUSER_HEAD_SIZE
00025 
00026 #define mISDNUSER_HEAD_SIZE (sizeof(mISDNuser_head_t))
00027 /*#define mISDNUSER_HEAD_SIZE (sizeof(mISDN_head_t))*/
00028 #endif
00029 
00030 
00031 ibuffer_t *astbuf;      /* Not used */
00032 ibuffer_t *misdnbuf; /* Not used */
00033 
00034 struct send_lock {
00035    pthread_mutex_t lock;
00036 };
00037 
00038 
00039 struct isdn_msg {
00040    unsigned long misdn_msg;
00041 
00042    enum layer_e layer;
00043    enum event_e event;
00044 
00045    void (*msg_parser)(struct isdn_msg *msgs, msg_t *msg, struct misdn_bchannel *bc, int nt);
00046    msg_t *(*msg_builder)(struct isdn_msg *msgs, struct misdn_bchannel *bc, int nt);
00047    char *info;
00048 } ;
00049 
00050 /* for isdn_msg_parser.c */
00051 msg_t *create_l3msg(int prim, int mt, int dinfo , int size, int nt);
00052 
00053 
00054 
00055 struct misdn_stack {
00056    /** is first element because &nst equals &mISDNlist **/
00057    net_stack_t nst;
00058    manager_t mgr;
00059    pthread_mutex_t nstlock;
00060 
00061    /*! \brief Stack struct critical section lock. */
00062    pthread_mutex_t st_lock;
00063 
00064    /*! \brief D Channel mISDN driver stack ID (Parent stack ID) */
00065    int d_stid;
00066 
00067    /*! /brief Number of B channels supported by this port */
00068    int b_num;
00069 
00070    /*! \brief B Channel mISDN driver stack IDs (Child stack IDs) */
00071    int b_stids[MAX_BCHANS + 1];
00072 
00073    /*! \brief TRUE if Point-To-Point(PTP) (Point-To-Multipoint(PTMP) otherwise) */
00074    int ptp;
00075 
00076    /*! \brief Number of consecutive times PTP Layer 2 declared down */
00077    int l2upcnt;
00078 
00079    int l2_id;  /* Not used */
00080 
00081    /*! \brief Lower layer mISDN ID (addr) (Layer 1/3) */
00082    int lower_id;
00083 
00084    /*! \brief Upper layer mISDN ID (addr) (Layer 2/4) */
00085    int upper_id;
00086 
00087    /*! \brief TRUE if port is blocked */
00088    int blocked;
00089 
00090    /*! \brief TRUE if Layer 2 is UP */
00091    int l2link;
00092 
00093    time_t l2establish;  /* Not used */
00094 
00095    /*! \brief TRUE if Layer 1 is UP */
00096    int l1link;
00097 
00098    /*! \brief TRUE if restart has been sent to the other side after stack startup */
00099    int restart_sent;
00100 
00101    /*! \brief mISDN device handle returned by mISDN_open() */
00102    int midev;
00103 
00104    /*! \brief TRUE if NT side of protocol (TE otherwise) */
00105    int nt;
00106 
00107    /*! \brief TRUE if ISDN-PRI (ISDN-BRI otherwise) */
00108    int pri;
00109 
00110    /*! \brief CR Process ID allocation table.  TRUE if ID allocated */
00111    int procids[0x100+1];
00112 
00113    /*! \brief Queue of Event messages to send to mISDN */
00114    msg_queue_t downqueue;
00115    msg_queue_t upqueue; /* No code puts anything on this queue */
00116    int busy;   /* Not used */
00117 
00118    /*! \brief Logical Layer 1 port associated with this stack */
00119    int port;
00120 
00121    /*! \brief B Channel record pool array */
00122    struct misdn_bchannel bc[MAX_BCHANS + 1];
00123 
00124    struct misdn_bchannel* bc_list;  /* Not used */
00125 
00126    /*! \brief Array of B channels in use (a[0] = B1).  TRUE if B channel in use */
00127    int channels[MAX_BCHANS + 1];
00128 
00129    /*! \brief List of held channels */
00130    struct misdn_bchannel *holding;
00131 
00132    /*! \brief Next stack in the list of stacks */
00133    struct misdn_stack *next;
00134 };
00135 
00136 
00137 struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc);
00138 
00139 int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *frm, int nt);
00140 enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *frm, int nt);
00141 int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *frm, struct misdn_bchannel *bc, int nt);
00142 char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt);
00143 msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt);
00144 int isdn_msg_get_index_by_event(struct isdn_msg msgs[], enum event_e event, int nt);
00145 char * isdn_msg_get_info(struct isdn_msg msgs[], msg_t *msg, int nt);
00146 
00147 
00148 #endif

Generated on Wed Aug 18 22:33:53 2010 for Asterisk - the Open Source PBX by  doxygen 1.4.7