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                     l2hold; /* hold layer 2 (1=force, -1=disable */
  53         int                     channel_force; /* forces channel by protocol */
  54         int                     nodtmf; /* disables DTMF */
  55         struct select_channel   *out_channel; /* list of channels to select */
  56         struct select_channel   *in_channel; /* the same for incoming channels */
  57         int                     block; /* set if interface is blocked */
  58         int                     tout_setup;
  59         int                     tout_dialing;
  60         int                     tout_proceeding;
  61         int                     tout_alerting;
  62         int                     tout_disconnect;
  63 //      int                     tout_hold;
  64 //      int                     tout_park;
  65 };
  66
  67 struct interface_msn {
  68         struct interface_msn    *next;
  69         char                    msn[64]; /* msn */
  70 };
  71
  72 struct interface_screen {
  73         struct interface_screen *next;
  74         char                    match[64]; /* what caller id to match */
  75         int                     match_type; /* number type */
  76         int                     match_present; /* presentation type */
  77         char                    result[64]; /* what caller id to change to */
  78         int                     result_type; /* number type */
  79         int                     result_present; /* presentation type */
  80 };
  81
  82 struct interface {
  83         struct interface        *next;
  84         char                    name[64]; /* name of interface */
  85         int                     extension; /* calls are handled as extension */
  86         int                     is_tones; /* generate tones */
  87         int                     is_earlyb; /* bridge tones during call setup */
  88         int                     hunt; /* select algorithm */
  89         int                     hunt_next; /* ifport index to start hunt */
  90         struct interface_port   *ifport; /* link to interface port list */
  91         struct interface_msn    *ifmsn; /* link to interface msn list */
  92         struct interface_screen *ifscreen_in; /* link to screening list */
  93         struct interface_screen *ifscreen_out; /* link to screening list */
  94         int                     tx_gain, rx_gain; /* filter gain */
  95         char                    pipeline[256]; /* filter pipeline */
  96         unsigned char           bf_key[56]; /* filter blowfish */
  97         int                     bf_len; /* filter length of blowfish */
  98 };
  99
 100 struct interface_param {
 101         const char              *name;
 102 /*      return value            (pointer of function)(args ...) */
 103         int                     (*func)(struct interface *, char *, int, char *, char*);
 104         const char              *usage;
 105         const char              *help;
 106 };
 107
 108
 109 extern struct interface *interface_first;
 110 extern struct interface *interface_newlist;
 111
 112 extern char interface_error[256];
 113 struct interface *read_interfaces(void);
 114 void free_interfaces(struct interface *interface_start);
 115 void relink_interfaces(void);
 116 void load_port(struct interface_port *ifport);
 117 void doc_interface(void);
 118 void do_screen(int out, char *id, int idsize, int *type, int *present, struct interface *interface);
 119