518 lines
16 KiB
C
518 lines
16 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, /* call from external */
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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_NOTPRESENT = 0,
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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_NOTAVAIL,
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INFO_PRESENT_ALLOWED,
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INFO_PRESENT_RESTRICTED
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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_USER_VERIFIED_PASSED,
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INFO_SCREEN_USER_VERIFIED_FAILED,
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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 = 0,
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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, /* change volume */
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mISDNSIGNAL_CONF, /* joint/split conference */
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mISDNSIGNAL_ECHO, /* enable/disable echoe */
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mISDNSIGNAL_DELAY, /* use delay or adaptive jitter */
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};
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enum {
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B_STATE_IDLE, /* not open */
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B_STATE_ACTIVATING, /* DL_ESTABLISH sent */
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B_STATE_ACTIVE, /* channel active */
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B_STATE_DEACTIVATING, /* DL_RELEASE sent */
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};
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enum {
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B_MODE_TRANSPARENT, /* normal transparent audio */
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B_MODE_HDLC, /* hdlc data mode */
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};
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enum {
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MEDIA_TYPE_ALAW = 1,
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MEDIA_TYPE_ULAW,
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MEDIA_TYPE_GSM,
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MEDIA_TYPE_GSM_EFR,
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MEDIA_TYPE_AMR,
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MEDIA_TYPE_GSM_HR,
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MEDIA_TYPE_ANALOG, /* just send analog data via MNCC */
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};
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/* rtp-info structure */
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struct rtp_info {
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int payloads; /* number of payloads offered */
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unsigned char payload_types[32];/* rtp payload types */
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int media_types[32]; /* media type of given payload */
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unsigned int ip; /* peer's IP */
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unsigned short port; /* peer's port */
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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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char id2[32]; /* second callerid */
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int ntype2; /* second type of number */
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int present2; /* second presentation */
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int screen2; /* second who provided the number */
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char imsi[16]; /* IMSI for gsm originated calls */
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};
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/* call-info structure DIALING */
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struct dialing_info {
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char id[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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char display[84]; /* display information */
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char keypad[33]; /* send keypad facility */
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char context[32]; /* asterisk context */
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int flash; /* flash key caused setup of call */
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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 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[128]; /* interface 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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char imsi[16]; /* IMSI for gsm terminated calls */
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struct rtp_info rtpinfo; /* info about RTP peer */
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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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int force; /* special flag to release imediately */
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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 extension[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 source_mode; /* forward mode */
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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 extension[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 PROGRESS */
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struct progress_info {
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int progress; /* progress indicator */
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int location; /* progress location */
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struct rtp_info rtpinfo; /* info about RTP peer */
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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 partyline; /* if set, call will be a conference room */
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int partyline_jingle; /* if set, the jingle will be played on conference join */
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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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struct progress_info progress; /* info on call progress */
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struct rtp_info rtpinfo; /* info about RTP peer */
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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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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 tx_gain;
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int rx_gain;
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int conf;
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int tone;
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int echo;
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int delay;
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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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struct param_hello {
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char application[32]; /* name of remote application */
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};
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struct param_bchannel {
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int type; /* BCHANNEL_* */
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unsigned int handle; /* bchannel stack/portid */
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int isloopback; /* in this case the application behaves like an interface, dsp should not be used */
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int tx_gain, rx_gain;
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char pipeline[256];
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unsigned char crypt[128];
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int crypt_len;
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int crypt_type; /* 1 = blowfish */
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};
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struct param_newref {
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int direction; /* who requests a refe? */
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char interface[32]; /* interface name for selecting remote interface */
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};
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struct param_traffic {
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int len; /* how much data */
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unsigned char data[160]; /* 20ms */
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};
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struct param_3pty {
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int begin, end;
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int invoke, result, error;
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unsigned char invoke_id;
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};
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struct param_vootp {
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int enable;
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int failed;
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char id[32];
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};
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struct param_dov {
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int type; /* dov_type coding */
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int level; /* volume of sending signals */
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int length;
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unsigned char data[255];
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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 progress_info progressinfo; /* some progress */
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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 audiopath; /* MESSAGE_audiopath see RELATION_CHANNEL_* (join.h) */
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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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struct param_hello hello; /* MESSAGE_HELLO */
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struct param_bchannel bchannel; /* MESSAGE_BCHANNEL */
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struct param_newref newref; /* MESSAGE_NEWREF */
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unsigned int bridge_id; /* MESSAGE_BRIDGE */
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struct param_traffic traffic; /* MESSAGE_TRAFFIC */
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struct param_3pty threepty; /* MESSAGE_TRAFFIC */
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struct param_dov dov; /* MESSAGE_DOV */
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unsigned int queue; /* MESSAGE_DISABLE_DEJITTER */
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struct param_vootp vootp; /* MESSAGE_VOOTP */
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};
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enum { /* message flow */
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PORT_TO_EPOINT,
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EPOINT_TO_JOIN,
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JOIN_TO_EPOINT,
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EPOINT_TO_PORT,
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};
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/* message structure */
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struct lcr_msg {
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struct lcr_msg *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 int 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 int id_to;
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int keep;
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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_ENABLEKEYPAD, /* remote application requests keypad/dtmf */
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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 notify info */
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MESSAGE_PROGRESS, /* used to send progress info */
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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_AUDIOPATH, /* set status of audio path to endpoint (to call, audio is also set) */
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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_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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MESSAGE_BCHANNEL, /* request/assign/remove bchannel */
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MESSAGE_HELLO, /* hello message for remote application */
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MESSAGE_NEWREF, /* special message to create and inform ref */
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MESSAGE_BRIDGE, /* control port bridge */
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MESSAGE_TRAFFIC, /* exchange bchannel traffic */
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MESSAGE_3PTY, /* 3PTY call invoke */
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MESSAGE_TRANSFER, /* call transfer invoke */
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MESSAGE_DISABLE_DEJITTER,/* tell (mISDN) port not to dejitter */
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MESSAGE_UPDATEBRIDGE, /* tell join to update bridge. (sent by mISDN port) */
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MESSAGE_VOOTP, /* enable/disable VoOTP */
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MESSAGE_DOV_INDICATION, /* data over voice message received */
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MESSAGE_DOV_REQUEST, /* sending data over voice message */
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MESSAGE_DOV_LISTEN, /* listen order to data over voice message */
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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_ENABLEKEYPAD", \
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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_PROGRESS", \
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"MESSAGE_FACILITY", \
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"MESSAGE_SUSPEND", \
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"MESSAGE_RESUME", \
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"MESSAGE_AUDIOPATH", \
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"MESSAGE_PATTERN", \
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"MESSAGE_NOPATTERN", \
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|
"MESSAGE_CRYPT", \
|
|
"MESSAGE_VBOX_PLAY", \
|
|
"MESSAGE_VBOX_PLAY_SPEED", \
|
|
"MESSAGE_VBOX_TONE", \
|
|
"MESSAGE_TONE_COUNTER", \
|
|
"MESSAGE_TONE_EOF", \
|
|
"MESSAGE_BCHANNEL", \
|
|
"MESSAGE_HELLO", \
|
|
"MESSAGE_NEWREF", \
|
|
"MESSAGE_BRIDGE", \
|
|
"MESSAGE_TRAFFIC", \
|
|
"MESSAGE_3PTY", \
|
|
"MESSAGE_TRANSFER", \
|
|
"MESSAGE_DISABLE_DEJITTER", \
|
|
"MESSAGE_UPDATEBRIDGE", \
|
|
"MESSAGE_VOOTP", \
|
|
"MESSAGE_DOV_INDIVATION", \
|
|
"MESSAGE_DOV_REQUEST", \
|
|
"MESSAGE_DOV_LISTEN", \
|
|
};
|
|
|
|
|
|
extern unsigned int lcr_random;
|
|
struct lcr_msg *message_create(int id_from, int id_to, int flow, int type);
|
|
#define message_put(m) _message_put(m, __FILE__, __LINE__)
|
|
void _message_put(struct lcr_msg *message, const char *file, int line);
|
|
struct lcr_msg *message_forward(int id_from, int id_to, int flow, union parameter *param);
|
|
struct lcr_msg *message_get(void);
|
|
void message_free(struct lcr_msg *message);
|
|
void init_message(void);
|
|
void cleanup_message(void);
|
|
|
|
|