Allow dynamic RTP payload types when bridging between SIP and OpenBSC.
[lcr.git] / message.h
index 9482040..82df9d5 100644 (file)
--- a/message.h
+++ b/message.h
 \*****************************************************************************/ 
 
 enum { /* interface types */
-       INFO_ITYPE_ISDN,
+       INFO_ITYPE_ISDN, /* call from external */
        INFO_ITYPE_ISDN_EXTENSION, /* call from internal extension */
        INFO_ITYPE_CHAN,
-       INFO_ITYPE_VBOX,
+       INFO_ITYPE_VBOX
 };
 
 enum { /* number types */
+       INFO_NTYPE_NOTPRESENT = 0,
        INFO_NTYPE_UNKNOWN,
        INFO_NTYPE_SUBSCRIBER,
        INFO_NTYPE_NATIONAL,
-       INFO_NTYPE_INTERNATIONAL,
+       INFO_NTYPE_INTERNATIONAL
 };
 
 enum { /* number presentation */
-       INFO_PRESENT_NULL,
-       INFO_PRESENT_ALLOWED,
-       INFO_PRESENT_RESTRICTED,
        INFO_PRESENT_NOTAVAIL,
+       INFO_PRESENT_ALLOWED,
+       INFO_PRESENT_RESTRICTED
 };
 
 enum { /* number presentation */
        INFO_SCREEN_USER, /* user provided */
-       INFO_SCREEN_NETWORK, /* network provided */
+       INFO_SCREEN_USER_VERIFIED_PASSED,
+       INFO_SCREEN_USER_VERIFIED_FAILED,
+       INFO_SCREEN_NETWORK /* network provided */
 };
 
 enum { /* redirection reason */
-       INFO_REDIR_UNKNOWN,
+       INFO_REDIR_UNKNOWN = 0,
        INFO_REDIR_BUSY,
        INFO_REDIR_NORESPONSE,
        INFO_REDIR_UNCONDITIONAL,
        INFO_REDIR_OUTOFORDER,
-       INFO_REDIR_CALLDEFLECT,
+       INFO_REDIR_CALLDEFLECT
 };
 
 #define        INFO_NOTIFY_NONE                        0x00
@@ -120,13 +122,13 @@ enum { /* diversion types */
 enum { /* isdnsignal */
        mISDNSIGNAL_VOLUME,             /* change volume */
        mISDNSIGNAL_CONF,               /* joint/split conference */
-       mISDNSIGNAL_JOINDATA,           /* data required by join instance */
        mISDNSIGNAL_ECHO,               /* enable/disable echoe */
        mISDNSIGNAL_DELAY,              /* use delay or adaptive jitter */
 };
 
 enum { /* bchannel assignment */
        BCHANNEL_REQUEST,               /* application requests bchannel */
+       BCHANNEL_RELEASE,               /* application releases bchannel */
        BCHANNEL_ASSIGN,                /* bchannel assigned by LCR */
        BCHANNEL_ASSIGN_ACK,            /* application acknowledges */
        BCHANNEL_REMOVE,                /* bchannel removed by LCR */
@@ -142,15 +144,27 @@ enum {
        B_STATE_IMPORTING,      /* BCHANNEL_REMOVE sent */
 };
 enum {
-       B_EVENT_USE,            /* activate/export bchannel */
-       B_EVENT_EXPORTREQUEST,  /* remote app requests bchannel */
-       B_EVENT_ACTIVATED,      /* DL_ESTABLISH received */
-       B_EVENT_DROP,           /* deactivate/re-import bchannel */
-       B_EVENT_DEACTIVATED,    /* DL_RELEASE received */
-       B_EVENT_EXPORTED,       /* BCHANNEL_ASSIGN received */
-       B_EVENT_IMPORTED,       /* BCHANNEL_REMOVE received */
+       B_MODE_TRANSPARENT,     /* normal transparent audio */
+       B_MODE_HDLC,            /* hdlc data mode */
+};
+
+enum {
+       MEDIA_TYPE_ALAW = 1,
+       MEDIA_TYPE_ULAW,
+       MEDIA_TYPE_GSM,
+       MEDIA_TYPE_GSM_EFR,
+       MEDIA_TYPE_AMR,
+       MEDIA_TYPE_GSM_HR,
 };
 
+/* rtp-info structure */
+struct rtp_info {
+       int payloads;                   /* number of payloads offered */
+       unsigned char payload_types[32];/* rtp payload types */
+       int media_types[32];            /* media type of given payload */
+       unsigned int ip;                /* peer's IP */
+       unsigned short port;            /* peer's port */
+};
 
 /* call-info structure CALLER */
 struct caller_info {
@@ -164,6 +178,11 @@ struct caller_info {
        int present;                    /* presentation */
        int screen;                     /* who provided the number */
        char display[84];               /* display information */
+       char id2[32];                   /* second callerid */
+       int ntype2;                     /* second type of number */
+       int present2;                   /* second presentation */
+       int screen2;                    /* second who provided the number */
+       char imsi[16];                  /* IMSI for gsm originated calls */
 };
 
 /* call-info structure DIALING */
@@ -173,6 +192,8 @@ struct dialing_info {
        int itype;                      /* type of interface */
        int ntype;                      /* type of number */
        int sending_complete;           /* end of dialing */
+       char display[84];               /* display information */
+       char keypad[33];                /* send keypad facility */
 };
 
 /* call-info structure CONNECT */
@@ -187,6 +208,8 @@ struct connect_info {
        int present;                    /* presentation */
        int screen;                     /* who provided the number */
        char display[84];               /* display information */
+       char imsi[16];                  /* IMSI for gsm terminated calls */
+       struct rtp_info rtpinfo;        /* info about RTP peer */
 };
 
 /* call-info structure DISCONNECT */
@@ -194,6 +217,7 @@ struct disconnect_info {
        int cause;                      /* reason for disconnect */
        int location;                   /* disconnect location */
        char display[84];               /* optional display information */
+       int force;                      /* special flag to release imediately */
 };
 
 /* call-info structure REDIR */
@@ -210,6 +234,7 @@ struct redir_info {
 
 /* call-info structure capability */
 struct capa_info {
+       int source_mode;                /* forward mode */
        int bearer_capa;                /* capability */
        int bearer_mode;                /* circuit/packet */
        int bearer_info1;               /* alaw,ulaw,... */
@@ -230,6 +255,13 @@ struct notify_info {
        int local;                      /* if set, endpoints gets information about audio channel (open/close) */
 };
 
+/* call-info structure PROGRESS */
+struct progress_info {
+       int progress;                   /* progress indicator */
+       int location;                   /* progress location */
+       struct rtp_info rtpinfo;        /* info about RTP peer */
+};
+
 /* call-info structure FACILITY */
 struct facility_info {
        char data[256];                 /* data info about facility */
@@ -247,13 +279,16 @@ struct useruser_info {
 struct message_setup {
        int isdn_port; /* card number 1...n (only on calls from isdn port) */
        int port_type; /* type of port (only required if message is port -> epoint) */
-       int dtmf; /* used to enabled dtmf dialing at setup state */
        int partyline; /* if set, call will be a conference room */
+       int partyline_jingle; /* if set, the jingle will be played on conference join */
        struct caller_info callerinfo;          /* information about the caller */
        struct dialing_info dialinginfo;        /* information about dialing */
        struct redir_info redirinfo;            /* info on redirection (to the calling user) */
        struct capa_info capainfo;              /* info on l2,l3 capability */
        struct useruser_info useruser;          /* user-user */
+       struct progress_info progress;          /* info on call progress */
+       struct rtp_info rtpinfo;                /* info about RTP peer */
+       char context[128];                      /* asterisk context */
 };
 
 /* call-info structure PARK */
@@ -262,12 +297,6 @@ struct park_info {
        int len;
 };
 
-/* DATA */
-struct param_data {
-       unsigned char data[512]; /* audio/hdlc data */
-       int len; /* audio/hdlc data */
-};
-
 struct param_play {
        char file[512]; /* file name */
        int offset; /* offset to start file at (in seconds) */
@@ -285,10 +314,9 @@ struct param_counter {
 
 struct param_mISDNsignal {
        int message;
-       int rxvol;
-       int txvol;
+       int tx_gain;
+       int rx_gain;
        int conf;
-       int joindata;
        int tone;
        int echo;
        int delay;
@@ -307,7 +335,18 @@ struct param_hello {
 
 struct param_bchannel {
        int type; /* BCHANNEL_* */
-       unsigned long handle; /* bchannel stack/socket */
+       unsigned int handle; /* bchannel stack/portid */
+       int isloopback; /* in this case the application behaves like an interface, dsp should not be used */
+       int tx_gain, rx_gain;
+       char pipeline[256];
+       unsigned char crypt[128];
+       int crypt_len;
+       int crypt_type; /* 1 = blowfish */
+};
+
+struct param_newref {
+        int direction; /* who requests a refe? */
+       int mode; /* 0 = direct-mode, 1 = PBX mode */
 };
 
 /* structure of message parameter */
@@ -319,12 +358,12 @@ union parameter {
        struct connect_info connectinfo; /* CONNECT INFO */
        struct disconnect_info disconnectinfo; /* DISCONNECT INFO */
        struct notify_info notifyinfo; /* some notifications */
+       struct progress_info progressinfo; /* some progress */
        struct facility_info facilityinfo; /* some notifications */
        struct park_info parkinfo; /* MESSAGE_SUSPEND, MESSAGE_RESUME */
        int state; /* MESSAGE_TIMEOUT */
        int knock; /* MESSAGE_KNOCK 0=off !0=on */
        int audiopath; /* MESSAGE_audiopath see RELATION_CHANNEL_* (join.h) */
-       struct param_data data; /* MESSAGE_DATA */
        struct param_play play; /* MESSAGE_VBOX_PLAY */
        int speed; /* MESSAGE_VBOX_PLAY_SPEED */
        struct param_counter counter; /* MESSAGE_TONE_COUNTER */
@@ -333,7 +372,8 @@ union parameter {
        struct param_crypt crypt; /* MESSAGE_CRYPT */
        struct param_hello hello; /* MESSAGE_HELLO */
        struct param_bchannel bchannel; /* MESSAGE_BCHANNEL */
-       int direction; /* MESSAGE_NEWREF */
+       struct param_newref newref; /* MESSAGE_NEWREF */
+       unsigned int bridge_id; /* MESSAGE_BRIDGE */
 };
 
 enum { /* message flow */
@@ -344,12 +384,12 @@ enum { /* message flow */
 };
 
 /* message structure */
-struct message {
-       struct message *next;
+struct lcr_msg {
+       struct lcr_msg *next;
        int type; /* type of message */
        int flow; /* from where to where */
-       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 */
-       unsigned long id_to;
+       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 */
+       unsigned int id_to;
        int keep;
        union parameter param;
 };
@@ -358,8 +398,8 @@ enum { /* messages between entities */
        MESSAGE_NONE,           /* no message */
        MESSAGE_TONE,           /* set information tone (to isdn port) */
        MESSAGE_DTMF,           /* dtmf digit (from isdn port) */
+       MESSAGE_ENABLEKEYPAD,   /* remote application requests keypad/dtmf */
        MESSAGE_mISDNSIGNAL,    /* special mixer command (down to isdn port) */
-
        MESSAGE_SETUP,          /* setup message */
        MESSAGE_INFORMATION,    /* additional digit information */
        MESSAGE_OVERLAP,        /* call accepted, send more information */
@@ -369,20 +409,15 @@ enum { /* messages between entities */
        MESSAGE_DISCONNECT,     /* disconnect with cause */
        MESSAGE_RELEASE,        /* release with cause */
        MESSAGE_TIMEOUT,        /* protocol state has timed out (port->epoint) */
-       MESSAGE_NOTIFY,         /* used to send progress and notify infos */
+       MESSAGE_NOTIFY,         /* used to send notify info */
+       MESSAGE_PROGRESS,       /* used to send progress info */
        MESSAGE_FACILITY,       /* used to facility infos, like aocd */
-
        MESSAGE_SUSPEND,        /* suspend port */
        MESSAGE_RESUME,         /* resume port */
-
        MESSAGE_AUDIOPATH,      /* set status of audio path to endpoint (to call, audio is also set) */
-//     MESSAGE_REMOTE_AUDIO,   /* tell remote to set audio status */
        MESSAGE_PATTERN,        /* pattern information tones available */
        MESSAGE_NOPATTERN,      /* pattern information tones unavailable */
        MESSAGE_CRYPT,          /* encryption message */
-
-       MESSAGE_DATA,           /* audio/hdlc data */
-
        MESSAGE_VBOX_PLAY,      /* play recorded file */
        MESSAGE_VBOX_PLAY_SPEED,/* change speed of file */
        MESSAGE_VBOX_TONE,      /* set answering VBOX tone */
@@ -391,12 +426,14 @@ enum { /* messages between entities */
        MESSAGE_BCHANNEL,       /* request/assign/remove bchannel */
        MESSAGE_HELLO,          /* hello message for remote application */
        MESSAGE_NEWREF,         /* special message to create and inform ref */
+       MESSAGE_BRIDGE,         /* control port bridge */
 };
 
 #define MESSAGES static const char *messages_txt[] = { \
        "MESSAGE_NONE", \
        "MESSAGE_TONE", \
        "MESSAGE_DTMF", \
+       "MESSAGE_ENABLEKEYPAD", \
        "MESSAGE_mISDNSIGNAL", \
        "MESSAGE_SETUP", \
        "MESSAGE_INFORMATION", \
@@ -408,15 +445,14 @@ enum { /* messages between entities */
        "MESSAGE_RELEASE", \
        "MESSAGE_TIMEOUT", \
        "MESSAGE_NOTIFY", \
+       "MESSAGE_PROGRESS", \
        "MESSAGE_FACILITY", \
        "MESSAGE_SUSPEND", \
        "MESSAGE_RESUME", \
        "MESSAGE_AUDIOPATH", \
-/*     "MESSAGE_REMOTE_AUDIO",*/ \
        "MESSAGE_PATTERN", \
        "MESSAGE_NOPATTERN", \
        "MESSAGE_CRYPT", \
-       "MESSAGE_DATA", \
        "MESSAGE_VBOX_PLAY", \
        "MESSAGE_VBOX_PLAY_SPEED", \
        "MESSAGE_VBOX_TONE", \
@@ -425,14 +461,17 @@ enum { /* messages between entities */
        "MESSAGE_BCHANNEL", \
        "MESSAGE_HELLO", \
        "MESSAGE_NEWREF", \
+       "MESSAGE_BRIDGE", \
 };
 
 
-struct message *message_create(int id_from, int id_to, int flow, int type);
-void message_put(struct message *message);
-struct message *message_forward(int id_from, int id_to, int flow, union parameter *param);
-struct message *message_get(void);
-void message_free(struct message *message);
-
+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);