Added new option to interface.conf: "nonotify" to disable notify messages.
[lcr.git] / mISDN.cpp
index 5f55a36..e531b14 100644 (file)
--- a/mISDN.cpp
+++ b/mISDN.cpp
@@ -108,12 +108,15 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti
        p_m_tx_gain = mISDNport->ifport->interface->tx_gain;
        p_m_rx_gain = mISDNport->ifport->interface->rx_gain;
        p_m_conf = 0;
+       p_m_mute = 0;
        p_m_txdata = 0;
        p_m_delay = 0;
        p_m_echo = 0;
        p_m_tone = 0;
        p_m_rxoff = 0;
        p_m_joindata = 0;
+       p_m_inband_send_on = 0;
+       p_m_inband_receive_on = 0;
        p_m_dtmf = !mISDNport->ifport->nodtmf;
        p_m_timeout = 0;
        p_m_timer = 0;
@@ -159,6 +162,7 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti
        /* we increase the number of objects: */
        mISDNport->use++;
        PDEBUG(DEBUG_ISDN, "Created new mISDNPort(%s). Currently %d objects use, port #%d\n", portname, mISDNport->use, p_m_portnum);
+//inband_receive_on();
 }
 
 
@@ -464,7 +468,7 @@ static void _bchannel_configure(struct mISDNport *mISDNport, int i)
                ph_control(mISDNport, port, handle, DSP_VOL_CHANGE_RX, port->p_m_rx_gain, "DSP-RX_GAIN", port->p_m_rx_gain);
        if (port->p_m_pipeline[0] && mode == B_MODE_TRANSPARENT)
                ph_control_block(mISDNport, port, handle, DSP_PIPELINE_CFG, port->p_m_pipeline, strlen(port->p_m_pipeline)+1, "DSP-PIPELINE", 0);
-       if (port->p_m_conf)
+       if (port->p_m_conf && !port->p_m_mute)
                ph_control(mISDNport, port, handle, DSP_CONF_JOIN, port->p_m_conf, "DSP-CONF", port->p_m_conf);
        if (port->p_m_echo)
                ph_control(mISDNport, port, handle, DSP_ECHO_ON, 0, "DSP-ECHO", 1);
@@ -480,6 +484,19 @@ static void _bchannel_configure(struct mISDNport *mISDNport, int i)
                ph_control_block(mISDNport, port, handle, DSP_BF_ENABLE_KEY, port->p_m_crypt_key, port->p_m_crypt_key_len, "DSP-CRYPT", port->p_m_crypt_key_len);
 }
 
+
+void PmISDN::set_conf(int oldconf, int newconf)
+{
+               if (oldconf != newconf) {
+                       PDEBUG(DEBUG_BCHANNEL, "we change conference from conf=%d to conf=%d.\n", oldconf, newconf);
+                       if (p_m_b_index > -1)
+                       if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
+                               ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], (newconf)?DSP_CONF_JOIN:DSP_CONF_SPLIT, newconf, "DSP-CONF", newconf);
+               } else
+                       PDEBUG(DEBUG_BCHANNEL, "we already have conf=%d.\n", newconf);
+}
+
+
 /*
  * subfunction for bchannel_event
  * destroy stack
@@ -1218,15 +1235,20 @@ int PmISDN::handler(void)
                else
                        p_m_load = 0;
 
-               /* to send data, tone must be active OR crypt messages must be on */
-               if ((p_tone_name[0] || p_m_crypt_msg_loops)
-                && (p_m_load < ISDN_LOAD)
-                && (p_state==PORT_STATE_CONNECT || p_m_mISDNport->tones)) {
+               /* to send data, tone must be on */
+               if ((p_tone_name[0] || p_m_crypt_msg_loops || p_m_inband_send_on) /* what tones? */
+                && (p_m_load < ISDN_LOAD) /* enough load? */
+                && (p_state==PORT_STATE_CONNECT || p_m_mISDNport->tones || p_m_inband_send_on)) { /* connected or inband-tones? */
                        int tosend = ISDN_LOAD - p_m_load, length; 
                        unsigned char buf[MISDN_HEADER_LEN+tosend];
                        struct mISDNhead *frm = (struct mISDNhead *)buf;
                        unsigned char *p = buf+MISDN_HEADER_LEN;
 
+                       /* copy inband signalling (e.g. used by ss5) */
+                       if (p_m_inband_send_on && tosend) {
+                               tosend -= inband_send(p, tosend);
+                       }
+
                        /* copy crypto loops */
                        while (p_m_crypt_msg_loops && tosend) {
                                /* how much do we have to send */
@@ -1372,6 +1394,10 @@ void PmISDN::bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len
                return;
        }
 
+       /* inband is processed */
+       if (p_m_inband_receive_on)
+               inband_receive(data, len);
+
        /* calls will not process any audio data unless
         * the call is connected OR tones feature is enabled.
         */
@@ -1566,6 +1592,7 @@ void PmISDN::set_tone(const char *dir, const char *tone)
 //extern struct lcr_msg *dddebug;
 void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union parameter *param)
 {
+       int oldconf, newconf;
        switch(param->mISDNsignal.message) {
                case mISDNSIGNAL_VOLUME:
                if (p_m_tx_gain != param->mISDNsignal.tx_gain) {
@@ -1587,19 +1614,10 @@ void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union p
                break;
 
                case mISDNSIGNAL_CONF:
-//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type);
-//tone         if (!p_m_tone && p_m_conf!=param->mISDNsignal.conf)
-               if (p_m_conf != param->mISDNsignal.conf) {
-                       p_m_conf = param->mISDNsignal.conf;
-                       PDEBUG(DEBUG_BCHANNEL, "we change conference to conf=%d.\n", p_m_conf);
-                       if (p_m_b_index > -1)
-                       if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
-                               ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], (p_m_conf)?DSP_CONF_JOIN:DSP_CONF_SPLIT, p_m_conf, "DSP-CONF", p_m_conf);
-               } else
-                       PDEBUG(DEBUG_BCHANNEL, "we already have conf=%d.\n", p_m_conf);
-               /* we must set, even if currently tone forbids conf */
+               oldconf = p_m_mute?0:p_m_conf;
                p_m_conf = param->mISDNsignal.conf;
-//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type);
+               newconf = p_m_mute?0:p_m_conf;
+               set_conf(oldconf, newconf);
                break;
 
                case mISDNSIGNAL_JOINDATA:
@@ -1744,7 +1762,7 @@ int mISDN_handler(void)
                        isdnport=mISDNport->b_port[i];
                        if (isdnport) {
                                /* call bridges in user space OR crypto OR recording */
-                               if (isdnport->p_m_joindata || isdnport->p_m_crypt_msg_loops || isdnport->p_m_crypt_listen || isdnport->p_record) {
+                               if (isdnport->p_m_joindata || isdnport->p_m_crypt_msg_loops || isdnport->p_m_crypt_listen || isdnport->p_record || isdnport->p_m_inband_receive_on) {
                                        /* rx IS required */
                                        if (isdnport->p_m_rxoff) {
                                                /* turn on RX */
@@ -1947,7 +1965,7 @@ int mISDN_handler(void)
                                mISDNport->l2establish = 0;
                                if (!mISDNport->gsm && mISDNport->l2hold && (mISDNport->ptp || !mISDNport->ntmode)) {
 
-                                       PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link portnum=%d.\n", mISDNport->portnum);
+//                                     PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link portnum=%d.\n", mISDNport->portnum);
                                        mISDNport->ml3->to_layer3(mISDNport->ml3, MT_L2ESTABLISH, 0, NULL);
                                        time(&mISDNport->l2establish);
                                        return(1);
@@ -2027,10 +2045,17 @@ int mISDN_getportbyname(int sock, int cnt, char *portname)
 /*
  * global function to add a new card (port)
  */
-struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt, int te_special, int l1hold, int l2hold, struct interface *interface, int gsm)
+struct mISDNport *mISDNport_open(struct interface_port *ifport)
 {
        int ret;
        struct mISDNport *mISDNport, **mISDNportp;
+       int port = ifport->portnum;
+       int ptp = ifport->ptp;
+       int force_nt = ifport->nt;
+       int l1hold = ifport->l1hold;
+       int l2hold = ifport->l2hold;
+       int gsm = ifport->gsm;
+       int ss5 = ifport->ss5;
        int i, cnt;
        int pri, bri, pots;
        int nt, te;
@@ -2050,12 +2075,12 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
                return(NULL);
        }
        if (port < 0) {
-               port = mISDN_getportbyname(mISDNsocket, cnt, portname);
+               port = mISDN_getportbyname(mISDNsocket, cnt, ifport->portname);
                if (port < 0) {
                        if (gsm)
-                               PERROR_RUNTIME("Port name '%s' not found, did you load loopback interface for GSM?.\n", portname);
+                               PERROR_RUNTIME("Port name '%s' not found, did you load loopback interface for GSM?.\n", ifport->portname);
                        else
-                               PERROR_RUNTIME("Port name '%s' not found, use 'misdn_info' tool to list all existing ports.\n", portname);
+                               PERROR_RUNTIME("Port name '%s' not found, use 'misdn_info' tool to list all existing ports.\n", ifport->portname);
                        return(NULL);
                }
                // note: 'port' has still the port number
@@ -2168,8 +2193,8 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
        while(*mISDNportp)
                mISDNportp = &((*mISDNportp)->next);
        mISDNport = (struct mISDNport *)MALLOC(sizeof(struct mISDNport));
-       if (gsm) {
-               /* gsm audio is always active */
+       if (gsm | ss5) {
+               /* gsm/ss5 link is always active */
                mISDNport->l1link = 1;
                mISDNport->l2link = 1;
        } else {
@@ -2183,7 +2208,13 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
        /* if pri, must set PTP */
        if (pri)
                ptp = 1;
-       
+
+       /* set ss5 params */
+       if (ss5) {
+               /* try to keep interface enabled */
+               l1hold = 1;
+               l2hold = 1;
+       }
        /* set l2hold */
        switch (l2hold) {
                case -1: // off
@@ -2251,7 +2282,7 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
                        mqueue_purge(&mISDNport->upqueue);
                        PERROR_RUNTIME("open_layer3() failed for port %d\n", port);
                        start_trace(port,
-                               interface,
+                               ifport->interface,
                                NULL,
                                NULL,
                                DIRECTION_NONE,
@@ -2268,11 +2299,12 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
        mISDNport->b_num = devinfo.nrbchan;
        mISDNport->portnum = port;
        mISDNport->ntmode = nt;
-       mISDNport->tespecial = te_special;
+       mISDNport->tespecial = ifport->tespecial;
        mISDNport->pri = pri;
        mISDNport->ptp = ptp;
        mISDNport->l1hold = l1hold;
        mISDNport->l2hold = l2hold;
+       mISDNport->ss5 = ss5;
        PDEBUG(DEBUG_ISDN, "Port has %d b-channels.\n", mISDNport->b_num);
        i = 0;
        while(i < mISDNport->b_num) {
@@ -2297,7 +2329,7 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
        PDEBUG(DEBUG_BCHANNEL, "using 'mISDN_dsp.o' module\n");
 
        start_trace(mISDNport->portnum,
-                   interface,
+                   ifport->interface,
                    NULL,
                    NULL,
                    DIRECTION_NONE,
@@ -2306,12 +2338,33 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt
                    "PORT (open)");
        add_trace("mode", NULL, (mISDNport->ntmode)?"network":"terminal");
        add_trace("channels", NULL, "%d", mISDNport->b_num);
+       if (mISDNport->ss5)
+               add_trace("ccitt#5", NULL, "enabled");
        end_trace();
+
        return(mISDNport);
 }
 
 
 /*
+ * load static port instances, if required by mISDNport
+ */
+void mISDNport_static(struct mISDNport *mISDNport)
+{
+       int i;
+
+       i = 0;
+       while(i < mISDNport->b_num) {
+#ifdef WITH_SS5
+               if (mISDNport->ss5)
+                       ss5_create_channel(mISDNport, i);
+#endif
+               i++;
+       }
+}
+
+
+/*
  * function to free ALL cards (ports)
  */
 void mISDNport_close_all(void)
@@ -2332,13 +2385,15 @@ void mISDNport_close(struct mISDNport *mISDNport)
        int i;
 
        /* remove all port instance that are linked to this mISDNport */
+       again:
        port = port_first;
        while(port) {
                if ((port->p_type&PORT_CLASS_MASK) == PORT_CLASS_mISDN) {
                        isdnport = (class PmISDN *)port;
-                       if (isdnport->p_m_mISDNport) {
+                       if (isdnport->p_m_mISDNport && isdnport->p_m_mISDNport == mISDNport) {
                                PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", isdnport->p_name, mISDNport->portnum);
                                delete isdnport;
+                               goto again;
                        }
                }
                port = port->next;
@@ -2418,7 +2473,7 @@ void PmISDN::txfromup(unsigned char *data, int length)
        /* check if high priority tones exist
         * ignore data in this case
         */
-       if (p_tone_name[0] || p_m_crypt_msg_loops)
+       if (p_tone_name[0] || p_m_crypt_msg_loops || p_m_inband_send_on)
                return;
 
        /* preload procedure
@@ -2451,3 +2506,61 @@ void PmISDN::txfromup(unsigned char *data, int length)
        p_m_load += length;
 }
 
+int PmISDN::inband_send(unsigned char *buffer, int len)
+{
+       PERROR("this function must be derived to function!\n");
+       return 0;
+}
+
+void PmISDN::inband_send_on(void)
+{
+       PDEBUG(DEBUG_PORT, "turning inband signalling send on.\n");
+       p_m_inband_send_on = 1;
+}
+
+void PmISDN::inband_send_off(void)
+{
+       PDEBUG(DEBUG_PORT, "turning inband signalling send off.\n");
+       p_m_inband_send_on = 0;
+}
+
+void PmISDN::inband_receive(unsigned char *buffer, int len)
+{
+//
+//     if (len >= SS5_DECODER_NPOINTS)
+//             ss5_decode(buffer, SS5_DECODER_NPOINTS);
+       PERROR("this function must be derived to function!\n");
+}
+
+void PmISDN::inband_receive_on(void)
+{
+       /* this must work during constructor, see ss5.cpp */
+       PDEBUG(DEBUG_PORT, "turning inband signalling receive on.\n");
+       p_m_inband_receive_on = 1;
+}
+
+void PmISDN::inband_receive_off(void)
+{
+       PDEBUG(DEBUG_PORT, "turning inband signalling receive off.\n");
+       p_m_inband_receive_on = 0;
+}
+
+void PmISDN::mute_on(void)
+{
+       if (p_m_mute)
+               return;
+       PDEBUG(DEBUG_PORT, "turning mute on.\n");
+       p_m_mute = 1;
+       set_conf(p_m_conf, 0);
+}
+
+void PmISDN::mute_off(void)
+{
+       if (!p_m_mute)
+               return;
+       PDEBUG(DEBUG_PORT, "turning mute off.\n");
+       p_m_mute = 0;
+       set_conf(0, p_m_conf);
+}
+
+