chan_lcr.h

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** Linux Call Router                                                         **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** Asterisk socket client header                                             **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 /* structure for all calls */
  13 struct bchannel;
  14 struct chan_call {
  15         struct chan_call        *next;  /* link to next call instance */
  16         int                     state;  /* current call state CHAN_LCR_STATE */
  17         unsigned long           ref;    /* callref for this channel */
  18         void                    *ast;   /* current asterisk channel */
  19         int                     pbx_started;
  20                                         /* indicates if pbx que is available */
  21         struct bchannel         *bchannel;
  22                                         /* reference to bchannel, if set */
  23         int                     audiopath;
  24                                         /* audio is available */
  25         int                     cause, location;
  26                                         /* store cause from lcr */
  27         unsigned char           dialque[64];
  28                                         /* queue dialing prior setup ack */
  29         char                    oad[64];/* caller id in number format */
  30         struct connect_info     connectinfo;
  31                                         /* store connectinfo form lcr */
  32         int                     bridge_id;
  33                                         /* current ID or 0 */
  34         struct chan_call        *bridge_call;
  35                                         /* remote instance or NULL */
  36         int                     pipe[2];
  37                                         /* pipe for receive data */
  38         unsigned char           read_buff[1024];
  39                                         /* read buffer for frame */
  40         struct ast_frame        read_fr;
  41                                         /* frame for read */
  42 };
  43
  44 enum {
  45         CHAN_LCR_STATE_IN_PREPARE = 0,
  46         CHAN_LCR_STATE_IN_SETUP,
  47         CHAN_LCR_STATE_IN_DIALING,
  48         CHAN_LCR_STATE_IN_PROCEEDING,
  49         CHAN_LCR_STATE_IN_ALERTING,
  50         CHAN_LCR_STATE_OUT_PREPARE,
  51         CHAN_LCR_STATE_OUT_SETUP,
  52         CHAN_LCR_STATE_OUT_DIALING,
  53         CHAN_LCR_STATE_OUT_PROCEEDING,
  54         CHAN_LCR_STATE_OUT_ALERTING,
  55         CHAN_LCR_STATE_CONNECT,
  56         CHAN_LCR_STATE_IN_DISCONNECT,
  57         CHAN_LCR_STATE_OUT_DISCONNECT,
  58         CHAN_LCR_STATE_RELEASE,
  59 };
  60
  61 #define CHAN_LCR_STATE static const struct chan_lcr_state { \
  62         char *name; \
  63         char *meaning; \
  64 } chan_lcr_state[] = { \
  65         { "IN_PREPARE", \
  66           "New call from ISDN is waiting for setup." }, \
  67         { "IN_SETUP", \
  68           "Call from ISDN is currently set up." }, \
  69         { "IN_DIALING", \
  70           "Call from ISDN is currently waiting for digits to be dialed." }, \
  71         { "IN_PROCEEDING", \
  72           "Call from ISDN is complete and proceeds to ring." }, \
  73         { "IN_ALERTING", \
  74           "Call from ISDN is ringing." }, \
  75         { "OUT_PREPARE", \
  76           "New call to ISDN is wating for setup." }, \
  77         { "OUT_SETUP", \
  78           "Call to ISDN is currently set up." }, \
  79         { "OUT_DIALING", \
  80           "Call to ISDN is currently waiting for digits to be dialed." }, \
  81         { "OUT_PROCEEDING", \
  82           "Call to ISDN is complete and proceeds to ring." }, \
  83         { "OUT_ALERTING", \
  84           "Call to ISDN is ringing." }, \
  85         { "CONNECT", \
  86           "Call has been answered." }, \
  87         { "IN_DISCONNECT", \
  88           "Call has been hung up on ISDN side." }, \
  89         { "OUT_DISCONNECT", \
  90           "Call has been hung up on Asterisk side." }, \
  91         { "RELEASE", \
  92           "Call is waiting for complete release." }, \
  93 };
  94
  95
  96 #define CERROR(call, ast, arg...) chan_lcr_log(__LOG_ERROR, __FILE__, __LINE__, call, ast, ##arg)
  97 #define CDEBUG(call, ast, arg...) chan_lcr_log(__LOG_DEBUG, __FILE__, __LINE__, call, ast, ##arg)
  98 void chan_lcr_log(int type, const char *file, int line, struct chan_call *call, struct ast_channel *ast, const char *fmt, ...);
  99