1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** Asterisk socket client header **
10 \*****************************************************************************/
12 /* structure for all calls */
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 */
20 /* indicates if pbx que is available */
21 struct bchannel *bchannel;
22 /* reference to bchannel, if set */
24 /* audio is available */
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 */
34 struct chan_call *bridge_call;
35 /* remote instance or NULL */
37 /* pipe for receive data */
38 unsigned char read_buff[1024];
39 /* read buffer for frame */
40 struct ast_frame read_fr;
43 /* LCR interface name for setup */
45 /* cached dial string for setup */
47 /* shall dtmf be enabled */
51 CHAN_LCR_STATE_IN_PREPARE = 0,
52 CHAN_LCR_STATE_IN_SETUP,
53 CHAN_LCR_STATE_IN_DIALING,
54 CHAN_LCR_STATE_IN_PROCEEDING,
55 CHAN_LCR_STATE_IN_ALERTING,
56 CHAN_LCR_STATE_OUT_PREPARE,
57 CHAN_LCR_STATE_OUT_SETUP,
58 CHAN_LCR_STATE_OUT_DIALING,
59 CHAN_LCR_STATE_OUT_PROCEEDING,
60 CHAN_LCR_STATE_OUT_ALERTING,
61 CHAN_LCR_STATE_CONNECT,
62 CHAN_LCR_STATE_IN_DISCONNECT,
63 CHAN_LCR_STATE_OUT_DISCONNECT,
64 CHAN_LCR_STATE_RELEASE,
67 #define CHAN_LCR_STATE static const struct chan_lcr_state { \
70 } chan_lcr_state[] = { \
72 "New call from ISDN is waiting for setup." }, \
74 "Call from ISDN is currently set up." }, \
76 "Call from ISDN is currently waiting for digits to be dialed." }, \
78 "Call from ISDN is complete and proceeds to ring." }, \
80 "Call from ISDN is ringing." }, \
82 "New call to ISDN is wating for setup." }, \
84 "Call to ISDN is currently set up." }, \
86 "Call to ISDN is currently waiting for digits to be dialed." }, \
88 "Call to ISDN is complete and proceeds to ring." }, \
90 "Call to ISDN is ringing." }, \
92 "Call has been answered." }, \
94 "Call has been hung up on ISDN side." }, \
96 "Call has been hung up on Asterisk side." }, \
98 "Call is waiting for complete release." }, \
102 #define CERROR(call, ast, arg...) chan_lcr_log(__LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, call, ast, ##arg)
103 #define CDEBUG(call, ast, arg...) chan_lcr_log(__LOG_NOTICE, __FILE__, __LINE__, __FUNCTION__, call, ast, ##arg)
104 void chan_lcr_log(int type, const char *file, int line, const char *function, struct chan_call *call, struct ast_channel *ast, const char *fmt, ...);
105 extern unsigned char flip_bits[256];
106 void lcr_in_dtmf(struct chan_call *call, int val);