395 lines
12 KiB
C
395 lines
12 KiB
C
/*****************************************************************************\
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** **
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** Linux Call Router **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** message types and parameters **
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** **
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\*****************************************************************************/
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enum { /* interface types */
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INFO_ITYPE_ISDN,
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INFO_ITYPE_ISDN_EXTENSION, /* call from internal extension */
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INFO_ITYPE_CHAN,
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INFO_ITYPE_VBOX,
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};
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enum { /* number types */
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INFO_NTYPE_UNKNOWN,
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INFO_NTYPE_SUBSCRIBER,
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INFO_NTYPE_NATIONAL,
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INFO_NTYPE_INTERNATIONAL,
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};
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enum { /* number presentation */
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INFO_PRESENT_NULL,
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INFO_PRESENT_ALLOWED,
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INFO_PRESENT_RESTRICTED,
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INFO_PRESENT_NOTAVAIL,
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};
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enum { /* number presentation */
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INFO_SCREEN_USER, /* user provided */
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INFO_SCREEN_NETWORK, /* network provided */
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};
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enum { /* redirection reason */
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INFO_REDIR_UNKNOWN,
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INFO_REDIR_BUSY,
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INFO_REDIR_NORESPONSE,
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INFO_REDIR_UNCONDITIONAL,
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INFO_REDIR_OUTOFORDER,
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INFO_REDIR_CALLDEFLECT,
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};
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#define INFO_NOTIFY_NONE 0x00
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#define INFO_NOTIFY_USER_SUSPENDED 0x80
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#define INFO_NOTIFY_USER_RESUMED 0x81
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#define INFO_NOTIFY_BEARER_SERVICE_CHANGED 0x82
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#define INFO_NOTIFY_CALL_COMPLETION_DELAY 0x83
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#define INFO_NOTIFY_CONFERENCE_ESTABLISHED 0xc2
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#define INFO_NOTIFY_CONFERENCE_DISCONNECTED 0xc3
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#define INFO_NOTIFY_OTHER_PARTY_ADDED 0xc4
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#define INFO_NOTIFY_ISOLATED 0xc5
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#define INFO_NOTIFY_REATTACHED 0xc6
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#define INFO_NOTIFY_OTHER_PARTY_ISOLATED 0xc7
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#define INFO_NOTIFY_OTHER_PARTY_REATTACHED 0xc8
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#define INFO_NOTIFY_OTHER_PARTY_SPLIT 0xc9
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#define INFO_NOTIFY_OTHER_PARTY_DISCONNECTED 0xca
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#define INFO_NOTIFY_CONFERENCE_FLOATING 0xcb
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#define INFO_NOTIFY_CONFERENCE_DISCONNECTED_P 0xcc /* preemted */
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#define INFO_NOTIFY_CONFERENCE_FLOATING_S_U_P 0xcf /* served user preemted */
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#define INFO_NOTIFY_CALL_IS_A_WAITING_CALL 0xe0
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#define INFO_NOTIFY_DIVERSION_ACTIVATED 0xe8
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#define INFO_NOTIFY_RESERVED_CT_1 0xe9
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#define INFO_NOTIFY_RESERVED_CT_2 0xea
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#define INFO_NOTIFY_REVERSE_CHARGING 0xee
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#define INFO_NOTIFY_REMOTE_HOLD 0xf9
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#define INFO_NOTIFY_REMOTE_RETRIEVAL 0xfa
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#define INFO_NOTIFY_CALL_IS_DIVERTING 0xfb
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enum { /* diversion types */
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INFO_DIVERSION_CFU,
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INFO_DIVERSION_CFNR,
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INFO_DIVERSION_CFB,
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INFO_DIVERSION_CFP,
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};
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/* bearer capabilities */
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#define INFO_BC_SPEECH 0x00
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#define INFO_BC_DATAUNRESTRICTED 0x08
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#define INFO_BC_DATARESTRICTED 0x09
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#define INFO_BC_AUDIO 0x10
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#define INFO_BC_DATAUNRESTRICTED_TONES 0x11
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#define INFO_BC_VIDEO 0x18
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/* bearer mode */
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#define INFO_BMODE_CIRCUIT 0
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#define INFO_BMODE_PACKET 2
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/* bearer user l1 */
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#define INFO_INFO1_NONE 0x00
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#define INFO_INFO1_V110 0x81
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#define INFO_INFO1_ULAW 0x82
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#define INFO_INFO1_ALAW 0x83
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#define INFO_INFO1_G721 0x84
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#define INFO_INFO1_H221H242 0x85
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#define INFO_INFO1_NONCCITT 0x87
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#define INFO_INFO1_V120 0x88
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#define INFO_INFO1_X31HDLC 0x89
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/* hlc */
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#define INFO_HLC_NONE 0x00
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#define INFO_HLC_TELEPHONY 0x81
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#define INFO_HLC_FAXG2G3 0x84
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#define INFO_HLC_FAXG4 0xa1
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#define INFO_HLC_TELETEX1 0xa4
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#define INFO_HLC_TELETEX2 0xa8
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#define INFO_HLC_TELETEX3 0xb1
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#define INFO_HLC_VIDEOTEX1 0xb2
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#define INFO_HLC_VIDEOTEX2 0xb3
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#define INFO_HLC_TELEX 0xb5
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#define INFO_HLC_MHS 0xb8
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#define INFO_HLC_OSI 0xc1
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#define INFO_HLC_MAINTENANCE 0xde
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#define INFO_HLC_MANAGEMENT 0xdf
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#define INFO_HLC_AUDIOVISUAL 0xe0
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enum { /* isdnsignal */
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mISDNSIGNAL_VOLUME,
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mISDNSIGNAL_CONF,
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mISDNSIGNAL_CALLDATA, /* data required by call instance */
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mISDNSIGNAL_ECHO,
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};
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/* call-info structure CALLER */
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struct caller_info {
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char id[32]; /* id of caller (user number) */
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char extension[32]; /* internal id */
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char name[16];
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int isdn_port; /* internal/external port (if call is isdn) */
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char interface[32]; /* interface name the call was from */
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int itype; /* type of interface */
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int ntype; /* type of number */
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int present; /* presentation */
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int screen; /* who provided the number */
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char display[84]; /* display information */
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};
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/* call-info structure DIALING */
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struct dialing_info {
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char number[256]; /* number dialing (so far) */
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char interfaces[128]; /* interfaces for extenal calls */
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int itype; /* type of interface */
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int ntype; /* type of number */
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int sending_complete; /* end of dialing */
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};
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/* call-info structure CONNECT */
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struct connect_info {
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char id[32]; /* id of caller (user number) */
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char voip[64]; /* URI of voip (or gateway) */
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char extension[32]; /* internal id */
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char name[16];
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int isdn_port; /* internal/external port (if call is isdn) */
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char interfaces[128]; /* interfaces for extenal calls */
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int itype; /* type of interface */
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int ntype; /* type of number */
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int present; /* presentation */
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int screen; /* who provided the number */
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char display[84]; /* display information */
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};
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/* call-info structure DISCONNECT */
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struct disconnect_info {
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int cause; /* reason for disconnect */
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int location; /* disconnect location */
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char display[84]; /* optional display information */
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};
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/* call-info structure REDIR */
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struct redir_info {
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char id[32]; /* id of caller (user number) */
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char voip[64]; /* host of voip (or gateway) */
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char intern[32]; /* internal id */
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int isdn_port; /* internal/external port (if call is isdn) */
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int itype; /* type of interface */
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int ntype; /* type of number */
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int present; /* presentation */
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int screen; /* who provided the number */
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int reason; /* reason for redirecing */
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};
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/* call-info structure capability */
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struct capa_info {
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int bearer_capa; /* capability */
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int bearer_mode; /* circuit/packet */
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int bearer_info1; /* alaw,ulaw,... */
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int hlc; /* hlc capability */
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int exthlc; /* extendet hlc */
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};
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/* call-info structure NOTIFY */
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struct notify_info {
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int notify; /* notifications (see INFO_NOTIFY_*) */
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char id[32]; /* redirection id (user number) */
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char voip[64]; /* host of voip (or gateway) */
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char intern[32]; /* internal id */
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int isdn_port; /* internal/external port (if call is isdn) */
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int itype; /* type of interface */
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int ntype; /* type of number */
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int present; /* redirection presentation */
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char display[84]; /* display information */
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int local; /* if set, endpoints gets information about audio channel (open/close) */
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};
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/* call-info structure FACILITY */
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struct facility_info {
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char data[256]; /* data info about facility */
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int len; /* length of facility content */
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};
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/* call-info structure USERUSER */
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struct useruser_info {
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int protocol;
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int len;
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unsigned char data[128]; /* user-user info (not a sting!)*/
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};
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/* call-info structure SETUP */
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struct message_setup {
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int isdn_port; /* card number 1...n (only on calls from isdn port) */
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int port_type; /* type of port (only required if message is port -> epoint) */
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int dtmf; /* used to enabled dtmf dialing at setup state */
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int partyline; /* if set, call will be a conference room */
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struct caller_info callerinfo; /* information about the caller */
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struct dialing_info dialinginfo; /* information about dialing */
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struct redir_info redirinfo; /* info on redirection (to the calling user) */
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struct capa_info capainfo; /* info on l2,l3 capability */
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struct useruser_info useruser; /* user-user */
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};
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/* call-info structure PARK */
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struct park_info {
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char callid[8];
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int len;
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};
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/* DATA */
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struct param_data {
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unsigned char data[512]; /* audio/hdlc data */
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int len; /* audio/hdlc data */
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// unsigned long port_id; /* to identify the source of this data */
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// int port_type; /* type of the source's port */
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};
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struct param_play {
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char file[512]; /* file name */
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int offset; /* offset to start file at (in seconds) */
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};
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struct param_tone {
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char dir[128]; /* directory */
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char name[128]; /* file name */
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};
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struct param_counter {
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int current; /* current counter in seconds */
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int max; /* total size of file (0=no info) */
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};
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struct param_mISDNsignal {
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int message;
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int rxvol;
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int txvol;
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int conf;
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int calldata;
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int tone;
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int echo;
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};
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/* encryption control structure CRYPT */
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struct param_crypt {
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int type; /* see messages in crypt.h */
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int len;
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unsigned char data[512+32]; /* a block of 512 byte + some overhead */
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};
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/* structure of message parameter */
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union parameter {
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struct param_tone tone; /* MESSAGE_TONE */
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char dtmf; /* MESSAGE_DTMF */
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struct message_setup setup; /* MESSAGE_SETUP */
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struct dialing_info information; /* MESSAGE_INFO */
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struct connect_info connectinfo; /* CONNECT INFO */
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struct disconnect_info disconnectinfo; /* DISCONNECT INFO */
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struct notify_info notifyinfo; /* some notifications */
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struct facility_info facilityinfo; /* some notifications */
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struct park_info parkinfo; /* MESSAGE_SUSPEND, MESSAGE_RESUME */
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int state; /* MESSAGE_TIMEOUT */
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int knock; /* MESSAGE_KNOCK 0=off !0=on */
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int channel; /* MESSAGE_CHANNEL see RELATION_CHANNEL_* (call.h) */
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struct param_data data; /* MESSAGE_DATA */
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struct param_play play; /* MESSAGE_VBOX_PLAY */
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int speed; /* MESSAGE_VBOX_PLAY_SPEED */
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struct param_counter counter; /* MESSAGE_TONE_COUNTER */
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struct param_mISDNsignal mISDNsignal; /* MESSAGE_mISDNSIGNAL */
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struct extension ext; /* tell port about extension information */
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struct param_crypt crypt; /* MESSAGE_CRYPT */
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};
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enum { /* message flow */
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PORT_TO_EPOINT,
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EPOINT_TO_CALL,
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CALL_TO_EPOINT,
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EPOINT_TO_PORT,
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};
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/* message structure */
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struct message {
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struct message *next;
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int type; /* type of message */
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int flow; /* from where to where */
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unsigned long id_from; /* in case of flow==PORT_TO_EPOINT: id_from is the port's serial, id_to is the epoint's serial */
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unsigned long id_to;
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union parameter param;
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};
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enum { /* messages between entities */
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MESSAGE_NONE, /* no message */
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MESSAGE_TONE, /* set information tone (to isdn port) */
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MESSAGE_DTMF, /* dtmf digit (from isdn port) */
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MESSAGE_mISDNSIGNAL, /* special mixer command (down to isdn port) */
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MESSAGE_SETUP, /* setup message */
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MESSAGE_INFORMATION, /* additional digit information */
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MESSAGE_OVERLAP, /* call accepted, send more information */
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MESSAGE_PROCEEDING, /* proceeding */
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MESSAGE_ALERTING, /* ringing */
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MESSAGE_CONNECT, /* connect */
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MESSAGE_DISCONNECT, /* disconnect with cause */
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MESSAGE_RELEASE, /* release with cause */
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MESSAGE_TIMEOUT, /* protocol state has timed out (port->epoint) */
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MESSAGE_NOTIFY, /* used to send progress and notify infos */
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MESSAGE_FACILITY, /* used to facility infos, like aocd */
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MESSAGE_SUSPEND, /* suspend port */
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MESSAGE_RESUME, /* resume port */
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MESSAGE_CHANNEL, /* set status of audio path to endpoint (to call, audio is also set) */
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// MESSAGE_REMOTE_AUDIO, /* tell remote to set audio status */
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MESSAGE_PATTERN, /* pattern information tones available */
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MESSAGE_NOPATTERN, /* pattern information tones unavailable */
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MESSAGE_CRYPT, /* encryption message */
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MESSAGE_DATA, /* audio/hdlc data */
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MESSAGE_VBOX_PLAY, /* play recorded file */
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MESSAGE_VBOX_PLAY_SPEED,/* change speed of file */
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MESSAGE_VBOX_TONE, /* set answering VBOX tone */
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MESSAGE_TONE_COUNTER, /* tone counter (for VBOX tone use) */
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MESSAGE_TONE_EOF, /* tone is end of file */
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};
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#define MESSAGES static const char *messages_txt[] = { \
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"MESSAGE_NONE", \
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"MESSAGE_TONE", \
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"MESSAGE_DTMF", \
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"MESSAGE_mISDNSIGNAL", \
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"MESSAGE_SETUP", \
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"MESSAGE_INFORMATION", \
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"MESSAGE_OVERLAP", \
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"MESSAGE_PROCEEDING", \
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"MESSAGE_ALERTING", \
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"MESSAGE_CONNECT", \
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"MESSAGE_DISCONNECT", \
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"MESSAGE_RELEASE", \
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"MESSAGE_TIMEOUT", \
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"MESSAGE_NOTIFY", \
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"MESSAGE_FACILITY", \
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"MESSAGE_SUSPEND", \
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"MESSAGE_RESUME", \
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"MESSAGE_CHANNEL", \
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/* "MESSAGE_REMOTE_AUDIO",*/ \
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"MESSAGE_PATTERN", \
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"MESSAGE_NOPATTERN", \
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"MESSAGE_CRYPT", \
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"MESSAGE_DATA", \
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"MESSAGE_VBOX_PLAY", \
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"MESSAGE_VBOX_PLAY_SPEED", \
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"MESSAGE_VBOX_TONE", \
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"MESSAGE_TONE_COUNTER", \
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"MESSAGE_TONE_EOF", \
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};
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struct message *message_create(int id_from, int id_to, int flow, int type);
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void message_put(struct message *message);
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struct message *message_get(void);
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void message_free(struct message *message);
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