only for backup, still in coding state - no compile!!!

[lcr.git] / callpbx.h

diff --git a/callpbx.h b/callpbx.h
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+++ b/callpbx.h
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+/*****************************************************************************\
+**                                                                           **
+** PBX4Linux                                                                 **
+**                                                                           **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg                                              **
+**                                                                           **
+** call header file for pbx calls                                            **
+**                                                                           **
+\*****************************************************************************/ 
+
+
+/* call
+ *
+ * calls connect interfaces together
+ * calls are linked in a chain
+ * interfaces can have 0, 1 or more references to a call
+ * the call can have many references to interfaces
+ * calls receive and send messages
+ */
+
+#define RECORD_BUFFER_SIZE     16000
+
+enum { /* relation types */
+       RELATION_TYPE_CALLING,  /* initiator of a call */
+       RELATION_TYPE_SETUP,    /* interface which is to be set up */
+       RELATION_TYPE_CONNECT,  /* interface is connected */
+};
+
+enum { /* relation audio state */
+       CHANNEL_STATE_CONNECT,  /* endpoint is connected to the call voice transmission in both dirs */
+       CHANNEL_STATE_HOLD,     /* endpoint is on hold state, no audio */
+};
+
+enum { /* states that results from last notification */
+       NOTIFY_STATE_ACTIVE, /* just the normal case, the party is active */
+       NOTIFY_STATE_SUSPEND, /* the party is inactive, because she has parked */
+       NOTIFY_STATE_HOLD, /* the party is inactive, because she holds the line */
+       NOTIFY_STATE_CONFERENCE, /* the parties joined a conference */
+};
+
+
+struct call_relation { /* relation to an interface */
+       struct call_relation *next;     /* next node */
+       int type;                       /* type of relation */
+       unsigned long epoint_id;        /* interface to link call to */
+       int channel_state;              /* if audio is available */
+       int rx_state;                   /* current state of what we received from endpoint */
+       int tx_state;                   /* current state of what we sent to endpoint */
+};
+
+class CallPBX : public Call
+{
+       public:
+       CallPBX(class Endpoint *epoint);
+       ~CallPBX();
+       void message_epoint(unsigned long epoint_id, int message, union parameter *param);
+       int handler(void);
+       void release(unsigned long epoint_id, int hold, int location, int cause);
+
+       char c_caller[32];              /* caller number */
+       char c_caller_id[32];           /* caller id to signal */
+       char c_dialed[1024];            /* dial string of (all) number(s) */
+       char c_todial[32];              /* overlap dialing (part not signalled yet) */
+       
+       int c_mixer;                    /* mixer must be updated */
+       struct call_relation *c_relation; /* list of endpoints that are related to the call */
+
+       int c_partyline;                /* if set, call is conference room */
+
+       void mixer(void);
+       void call_mixer(unsigned long epoint_from, struct call_relation *relation_from, union parameter *param);
+       void remove_relation(struct call_relation *relation);
+       struct call_relation *add_relation(void);
+       int out_setup(unsigned long epoint_id, int message, union parameter *param, char *newnumber);
+}; 
+
+void callpbx_debug(class CallPBX *callpbx, char *function);
+int callpbx_countrelations(unsigned long call_id);
+int track_notify(int oldstate, int notify);
+