interface.h

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** LCR                                                                       **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** interface header file                                                     **
   9 **                                                                           **
  10 \*****************************************************************************/
  11 enum {  /* interface type */
  12         IF_TYPE_DIRECT,
  13         IF_TYPE_EXTENSION,
  14 };
  15
  16         /* channel selection -1 is reserved for "no ie" */
  17 #define CHANNEL_NO              -2
  18 #define CHANNEL_ANY             -3
  19 #define CHANNEL_FREE            -100
  20
  21         /* port selection */
  22 enum {  HUNT_LINEAR = 0,
  23         HUNT_ROUNDROBIN,
  24 };
  25
  26         /* filters */
  27 enum {  FILTER_GAIN,
  28         FILTER_CANCEL,
  29         FILTER_BLOWFISH,
  30 };
  31
  32 enum {  IS_DEFAULT = 0,
  33         IS_YES,
  34         IS_NO,
  35 };
  36
  37 struct select_channel {
  38         struct select_channel   *next;
  39         int                     channel;
  40 };
  41
  42 struct interface_port {
  43         struct interface_port   *next;
  44         struct interface        *interface; /* link to interface */
  45         struct mISDNport        *mISDNport; /* link to port */
  46         int                     portnum; /* port number */
  47         char                    portname[64]; /* alternately: port name */
  48         int                     ptp; /* force load stack in PTP mode */
  49         int                     ptmp; /* force load stack in PTP mode */
  50         int                     nt; /* load stack in NT-mode */
  51         int                     tespecial; /* special TE-mode behavior */
  52         int                     l1hold; /* hold layer 1 (1=on, 0=off) */
  53         int                     l2hold; /* hold layer 2 (1=force, -1=disable, 0=default) */
  54         int                     gsm; /* interface is an GSM interface */
  55         unsigned int            ss5; /* set, if SS5 signalling enabled, also holds feature bits */
  56         int                     channel_force; /* forces channel by protocol */
  57         int                     nodtmf; /* disables DTMF */
  58         struct select_channel   *out_channel; /* list of channels to select */
  59         struct select_channel   *in_channel; /* the same for incoming channels */
  60         int                     block; /* set if interface is blocked */
  61         int                     tout_setup;
  62         int                     tout_dialing;
  63         int                     tout_proceeding;
  64         int                     tout_alerting;
  65         int                     tout_disconnect;
  66 //      int                     tout_hold;
  67 //      int                     tout_park;
  68         int                     dialmax; /* maximum number of digits to dial */
  69         char                    tones_dir[128];
  70 };
  71
  72 struct interface_msn {
  73         struct interface_msn    *next;
  74         char                    msn[64]; /* msn */
  75 };
  76
  77 struct interface_screen {
  78         struct interface_screen *next;
  79         char                    match[64]; /* what caller id to match */
  80         int                     match_type; /* number type */
  81         int                     match_present; /* presentation type */
  82         char                    result[64]; /* what caller id to change to */
  83         int                     result_type; /* number type */
  84         int                     result_present; /* presentation type */
  85 };
  86
  87 struct interface {
  88         struct interface        *next;
  89         char                    name[64]; /* name of interface */
  90         int                     external; /* interface used for extranl calls */
  91         int                     extension; /* calls are handled as extension */
  92         int                     is_tones; /* generate tones */
  93         int                     is_earlyb; /* bridge tones during call setup */
  94         int                     hunt; /* select algorithm */
  95         int                     hunt_next; /* ifport index to start hunt */
  96         struct interface_port   *ifport; /* link to interface port list */
  97         struct interface_msn    *ifmsn; /* link to interface msn list */
  98         struct interface_screen *ifscreen_in; /* link to screening list */
  99         struct interface_screen *ifscreen_out; /* link to screening list */
 100         int                     tx_gain, rx_gain; /* filter gain */
 101         char                    pipeline[256]; /* filter pipeline */
 102         unsigned char           bf_key[56]; /* filter blowfish */
 103         int                     bf_len; /* filter length of blowfish */
 104 };
 105
 106 struct interface_param {
 107         const char              *name;
 108 /*      return value            (pointer of function)(args ...) */
 109         int                     (*func)(struct interface *, char *, int, char *, char*);
 110         const char              *usage;
 111         const char              *help;
 112 };
 113
 114
 115 extern struct interface *interface_first;
 116 extern struct interface *interface_newlist;
 117
 118 extern char interface_error[256];
 119 struct interface *read_interfaces(void);
 120 void free_interfaces(struct interface *interface_start);
 121 void relink_interfaces(void);
 122 void load_port(struct interface_port *ifport);
 123 void doc_interface(void);
 124 void do_screen(int out, char *id, int idsize, int *type, int *present, struct interface *interface);
 125