/*****************************************************************************\ ** ** ** PBX4Linux ** ** ** **---------------------------------------------------------------------------** ** Copyright: Andreas Eversberg ** ** ** ** mISDN port abstraction for dss1 and sip ** ** ** \*****************************************************************************/ #include #include #include #include "main.h" #include #include #include #include #include #include #include extern "C" { #include } #define ISDN_PID_L2_B_USER 0x420000ff #define ISDN_PID_L3_B_USER 0x430000ff #define ISDN_PID_L4_B_USER 0x440000ff /* used for udevice */ int entity = 0; /* noise randomizer */ unsigned char mISDN_rand[256]; int mISDN_rand_count = 0; /* the device handler and port list */ int mISDNdevice = -1; /* list of mISDN ports */ struct mISDNport *mISDNport_first; /* * constructor */ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive) : Port(type, portname, settings) { p_m_mISDNport = mISDNport; p_m_portnum = mISDNport->portnum; p_m_b_index = -1; p_m_b_channel = 0; p_m_b_exclusive = 0; p_m_b_reserve = 0; p_m_b_addr = 0; p_m_b_stid = 0; p_m_jittercheck = 0; p_m_delete = 0; p_m_hold = 0; p_m_txvol = p_m_rxvol = 0; p_m_conf = 0; p_m_txdata = 0; #warning set delay by routing parameter or interface config p_m_delay = 0; p_m_echo = 0; p_m_tone = 0; p_m_rxoff = 0; p_m_calldata = 0; p_m_dtmf = !options.nodtmf; sollen wir daraus eine interface-option machen?: p_m_timeout = 0; p_m_timer = 0; #warning denke auch an die andere seite. also das setup sollte dies weitertragen p_m_crypt = 0; p_m_crypt_listen = 0; p_m_crypt_msg_loops = 0; p_m_crypt_msg_loops = 0; p_m_crypt_msg_len = 0; p_m_crypt_msg[0] = '\0'; p_m_crypt_msg_current = 0; p_m_crypt_key[0] = '\0'; p_m_crypt_key_len = 0; p_m_crypt_listen = 0; p_m_crypt_listen_state = 0; p_m_crypt_listen_len = 0; p_m_crypt_listen_msg[0] = '\0'; p_m_crypt_listen_crc = 0; /* if any channel requested by constructor */ if (channel == CHANNEL_ANY) { /* reserve channel */ p_m_b_reserve = 1; mISDNport->b_reserved++; } } else /* reserve channel */ if (channel) // only if constructor was called with a channel resevation seize_bchannel(channel, exclusive); /* 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); } /* * destructor */ PmISDN::~PmISDN() { struct message *message; /* remove bchannel relation */ free_bchannel(); /* release epoint */ while (p_epointlist) { PDEBUG(DEBUG_ISDN, "destroy mISDNPort(%s). endpoint still exists, releaseing.\n", p_name); message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE); message->param.disconnectinfo.cause = 16; message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL; message_put(message); /* remove from list */ free_epointlist(p_epointlist); } /* we decrease the number of objects: */ p_m_mISDNport->use--; PDEBUG(DEBUG_ISDN, "destroyed mISDNPort(%s). Currently %d objects\n", p_name, p_m_mISDNport->use); } /* * send control information to the channel (dsp-module) */ void ph_control(unsigned long b_addr, int c1, int c2) { unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+sizeof(int)]; iframe_t *ctrl = (iframe_t *)buffer; unsigned long *d = (unsigned long *)&ctrl->data.p; ctrl->prim = PH_CONTROL | REQUEST; ctrl->addr = b_addr | FLG_MSG_DOWN; ctrl->dinfo = 0; ctrl->len = sizeof(int)*2; *d++ = c1; *d++ = c2; mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); } void ph_control_block(unsigned long b_addr, int c1, void *c2, int c2_len) { unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len]; iframe_t *ctrl = (iframe_t *)buffer; unsigned long *d = (unsigned long *)&ctrl->data.p; ctrl->prim = PH_CONTROL | REQUEST; ctrl->addr = b_addr | FLG_MSG_DOWN; ctrl->dinfo = 0; ctrl->len = sizeof(int)+c2_len; *d++ = c1; memcpy(d, c2, c2_len); mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); } /* * activate / deactivate bchannel */ static void bchannel_activate(struct mISDNport *mISDNport, int i) { iframe_t act; /* we must activate if we are deactivated */ if (mISDNport->b_state[i] == B_STATE_IDLE) { /* activate bchannel */ PDEBUG(DEBUG_BCHANNEL, "activating bchannel (index %d), because currently idle (address 0x%x).\n", i, mISDNport->b_addr[i]); act.prim = DL_ESTABLISH | REQUEST; act.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN; act.dinfo = 0; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); mISDNport->b_state[i] = B_STATE_ACTIVATING; return; } /* if we are active, we configure our channel */ if (mISDNport->b_state[i] == B_STATE_ACTIVE) { unsigned char buffer[mISDN_HEADER_LEN+(ISDN_PRELOAD<<3)]; iframe_t *pre = (iframe_t *)buffer; /* preload data */ unsigned char *p = (unsigned char *)&pre->data.p; /* it is an error if this channel is not associated with a port object */ if (!mISDNport->b_port[i]) { PERROR("bchannel index i=%d not associated with a port object\n", i); return; } /* configure dsp features */ if (mISDNport->b_port[i]->p_m_txdata) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set txdata to txdata=%d.\n", mISDNport->b_port[i]->p_m_txdata); ph_control(mISDNport->b_addr[i], (mISDNport->b_port[i]->p_m_txdata)?CMX_TXDATA_ON:CMX_TXDATA_OFF); } if (mISDNport->b_port[i]->p_m_delay) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set delay to delay=%d.\n", mISDNport->b_port[i]->p_m_delay); ph_control(mISDNport->b_addr[i], CMX_DELAY, mISDNport->b_port[i]->p_m_delay); } if (mISDNport->b_port[i]->p_m_txvol) { PDEBUG(DEBUG_BCHANNEL, "during activation, we change tx-volume to shift=%d.\n", mISDNport->b_port[i]->p_m_txvol); ph_control(mISDNport->b_addr[i], VOL_CHANGE_TX, mISDNport->b_port[i]->p_m_txvol); } if (mISDNport->b_port[i]->p_m_rxvol) { PDEBUG(DEBUG_BCHANNEL, "during activation, we change rx-volume to shift=%d.\n", mISDNport->b_port[i]->p_m_rxvol); ph_control(mISDNport->b_addr[i], VOL_CHANGE_RX, mISDNport->b_port[i]->p_m_rxvol); } //tone if (mISDNport->b_port[i]->p_m_conf && !mISDNport->b_port[i]->p_m_tone) if (mISDNport->b_port[i]->p_m_conf) { PDEBUG(DEBUG_BCHANNEL, "during activation, we change conference to conf=%d.\n", mISDNport->b_port[i]->p_m_conf); ph_control(mISDNport->b_addr[i], CMX_CONF_JOIN, mISDNport->b_port[i]->p_m_conf); } if (mISDNport->b_port[i]->p_m_echo) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set echo to echo=%d.\n", mISDNport->b_port[i]->p_m_echo); ph_control(mISDNport->b_addr[i], CMX_ECHO_ON, 0); } if (mISDNport->b_port[i]->p_m_tone) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set tone to tone=%d.\n", mISDNport->b_port[i]->p_m_tone); ph_control(mISDNport->b_addr[i], TONE_PATT_ON, mISDNport->b_port[i]->p_m_tone); } if (mISDNport->b_port[i]->p_m_rxoff) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set rxoff to rxoff=%d.\n", mISDNport->b_port[i]->p_m_rxoff); ph_control(mISDNport->b_addr[i], CMX_RECEIVE_OFF, 0); } #if 0 if (mISDNport->b_port[i]->p_m_txmix) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set txmix to txmix=%d.\n", mISDNport->b_port[i]->p_m_txmix); ph_control(mISDNport->b_addr[i], CMX_MIX_ON, 0); } #endif if (mISDNport->b_port[i]->p_m_dtmf) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set dtmf to dtmf=%d.\n", mISDNport->b_port[i]->p_m_dtmf); ph_control(mISDNport->b_addr[i], DTMF_TONE_START, 0); } if (mISDNport->b_port[i]->p_m_crypt) { PDEBUG(DEBUG_BCHANNEL, "during activation, we set crypt to crypt=%d.\n", mISDNport->b_port[i]->p_m_crypt); ph_control_block(mISDNport->b_addr[i], BF_ENABLE_KEY, mISDNport->b_port[i]->p_m_crypt_key, mISDNport->b_port[i]->p_m_crypt_key_len); } todo: wer startet/stoppt eigentlich den audio-transmit } } static void bchannel_deactivate(struct mISDNport *mISDNport, int i) { iframe_t dact; if (mISDNport->b_state[i] == B_STATE_ACTIVE) { /* reset dsp features */ if (mISDNport->b_port[i]) { if (mISDNport->b_port[i]->p_m_txdata) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset txdata from txdata=%d.\n", mISDNport->b_port[i]->p_m_txdata); ph_control(mISDNport->b_addr[i], CMX_TXDATA_OFF, 0); } if (mISDNport->b_port[i]->p_m_delay) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset delay from delay=%d.\n", mISDNport->b_port[i]->p_m_delay); ph_control(mISDNport->b_addr[i], CMX_JITTER, 0); } if (mISDNport->b_port[i]->p_m_txvol) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset tx-volume from shift=%d.\n", mISDNport->b_port[i]->p_m_txvol); ph_control(mISDNport->b_addr[i], VOL_CHANGE_TX, 0); } if (mISDNport->b_port[i]->p_m_rxvol) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset rx-volume from shift=%d.\n", mISDNport->b_port[i]->p_m_rxvol); ph_control(mISDNport->b_addr[i], VOL_CHANGE_RX, 0); } if (mISDNport->b_port[i]->p_m_conf) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we release conference from conf=%d.\n", mISDNport->b_port[i]->p_m_conf); ph_control(mISDNport->b_addr[i], CMX_CONF_SPLIT, 0); } if (mISDNport->b_port[i]->p_m_echo) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset echo from echo=%d.\n", mISDNport->b_port[i]->p_m_echo); ph_control(mISDNport->b_addr[i], CMX_ECHO_OFF, 0); } if (mISDNport->b_port[i]->p_m_tone) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset tone from tone=%d.\n", mISDNport->b_port[i]->p_m_tone); ph_control(mISDNport->b_addr[i], TONE_PATT_OFF, 0); } if (mISDNport->b_port[i]->p_m_rxoff) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset rxoff from rxoff=%d.\n", mISDNport->b_port[i]->p_m_rxoff); ph_control(mISDNport->b_addr[i], CMX_RECEIVE_ON, 0); } #if 0 if (mISDNport->b_port[i]->p_m_txmix) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset txmix from txmix=%d.\n", mISDNport->b_port[i]->p_m_txmix); ph_control(mISDNport->b_addr[i], CMX_MIX_OFF, 0); } #endif if (mISDNport->b_port[i]->p_m_dtmf) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset dtmf from dtmf=%d.\n", mISDNport->b_port[i]->p_m_dtmf); ph_control(mISDNport->b_addr[i], DTMF_TONE_STOP, 0); } if (mISDNport->b_port[i]->p_m_crypt) { PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset crypt from crypt=%d.\n", mISDNport->b_port[i]->p_m_dtmf); ph_control(mISDNport->b_addr[i], BF_DISABLE, 0); } } /* deactivate bchannel */ PDEBUG(DEBUG_BCHANNEL, "deactivating bchannel (index %d), because currently active.\n", i); dact.prim = DL_RELEASE | REQUEST; dact.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN; dact.dinfo = 0; dact.len = 0; mISDN_write(mISDNdevice, &dact, mISDN_HEADER_LEN+dact.len, TIMEOUT_1SEC); mISDNport->b_state[i] = B_STATE_DEACTIVATING; return; } } /* * check for available channel and reserve+set it. * give channel number or SEL_CHANNEL_ANY or SEL_CHANNEL_NO * give exclusiv flag * returns -(cause value) or x = channel x or 0 = no channel */ denke ans aktivieren und deaktivieren int PmISDN::seize_bchannel(int channel, int exclusive) { int i; /* the channel is what we have */ if (p_m_b_channel == channel) return(channel); /* if channel already in use, release it */ if (p_m_b_channel) drop_bchannel(); /* if CHANNEL_NO */ if (channel==CHANNEL_NO || channel==0) return(0); /* is channel in range ? */ if (channel==16 || (channel>p_m_mISDNport->b_num && channel<16) || ((channel-1)>p_m_mISDNport->b_num && channel>16)) /* channel-1 because channel 16 is not counted */ return(-6); /* channel unacceptable */ /* request exclusive channel */ if (exclusive && channel>0) { i = channel-1-(channel>16); if (p_m_mISDNport->b_port[i]) return(-44); /* requested channel not available */ goto seize; } /* ask for channel */ if (channel>0) { i = channel-1-(channel>16); if (p_m_mISDNport->b_port[i] == NULL) goto seize; } /* search for channel */ i = 0; while(i < p_m_mISDNport->b_num) { if (!p_m_mISDNport->b_port[i]) { channel = i+1+(i>=15); goto seize; } i++; } return(-34); /* no free channel */ seize: /* link Port */ p_m_mISDNport->b_port[i] = this; p_m_b_index = i; p_m_b_channel = channel; p_m_b_exclusive = exclusive; p_m_b_stid = p_m_mISDNport->b_stid[i]; p_m_b_addr = p_m_mISDNport->b_addr[i]; p_m_jittercheck = 0; /* reserve channel */ if (p_m_b_reserve == 0) // already reserved { p_m_b_reserve = 1; mISDNport->b_reserved++; } PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) seizing bchannel %d (index %d)\n", p_name, channel, i); return(channel); } /* * drop reserved channel and unset it. */ void PmISDN::drop_bchannel(void) { /* unreserve channel */ if (p_m_b_reserve) p_m_mISDNport->b_reserved--; p_m_b_reserve = 0; /* if not in use */ if (!p_m_b_channel) return; PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) dropping bchannel\n", p_name); p_m_mISDNport->b_port[p_m_b_index] = NULL; p_m_b_index = -1; p_m_b_channel = 0; p_m_b_exclusive = 0; p_m_b_addr = 0; p_m_b_stid = 0; } /* * data is to be transmitted to the remote */ wech void Port::transmit(unsigned char *buffer, int length, int tonelength) { /* send tone data to isdn device only if we have data, otherwhise we send nothing */ if (tonelength>0 && (p_tone_fh>=0 || p_tone_fetched || p_m_crypt_msg_loops)) { unsigned char buf[mISDN_HEADER_LEN+tonelength]; iframe_t *frm = (iframe_t *)buf; if (p_m_crypt_msg_loops) { /* send pending message */ int tosend; tosend = p_m_crypt_msg_len - p_m_crypt_msg_current; if (tosend > newlen) tosend = newlen; memcpy(p, p_m_crypt_msg+p_m_crypt_msg_current, tosend); p_m_crypt_msg_current += tosend; if (p_m_crypt_msg_current == p_m_crypt_msg_len) { p_m_crypt_msg_current = 0; p_m_crypt_msg_loops--; } } frm->prim = DL_DATA | REQUEST; frm->addr = p_m_b_addr | FLG_MSG_DOWN; frm->dinfo = 0; frm->len = tonelength; memcpy(&frm->data.p, buffer, tonelength); mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); if (p_debug_nothingtosend) { p_debug_nothingtosend = 0; PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) start sending, because we have tones and/or remote audio.\n", p_name); } } else { if (!p_debug_nothingtosend) { p_debug_nothingtosend = 1; PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) stop sending, because we have only silence.\n", p_name); } } } /* * handler */ int PmISDN::handler(void) { struct message *message; int elapsed, length; if ((ret = Port::handler())) return(ret); inbuffer = (p_fromup_buffer_writep - p_fromup_buffer_readp) & FROMUP_BUFFER_MASK /* send tone data to isdn device only if we have data */ if (p_tone_fh>=0 || p_tone_fetched || p_m_crypt_msg_loops || inbuffer) { /* calculate how much to transmit */ if (!p_last_tv.sec) { elapsed = ISDN_PRELOAD << 3; /* preload for the first time */ } else { elapsed = 1000 * (now_tv.sec - p_last_tv_sec) + (now_tv.usec/1000) - p_last_tv_msec; /* gap was greater preload, so only fill up to preload level */ if (elapsed > (ISDN_PRELOAD<<3)) { elapsed = ISDN_PRELOAD << 3 } } if (elapsed >= ISDN_TRANSMIT) { unsigned char buf[mISDN_HEADER_LEN+(ISDN_PRELOAD<<3)], *p = buf; iframe_t *frm = (iframe_t *)buf; p_last_tv_sec = now_tv.sec; p_last_tv_msec = now_tv.usec/1000; /* read tones */ length = read_audio(buffer, elapsed); /* * get data from up * the fromup_buffer data is written to the beginning of the buffer * the part that is filles with tones (length) is skipped, so tones have priority * the length value is increased by the number of data copied from fromup_buffer */ if (inbuffer) { /* inbuffer might be less than we skip due to audio */ if (inbuffer <= length) { /* clear buffer */ p_fromup_buffer_readp = p_fromup_buffer_writep; inbuffer = 0; } else { /* skip what we already have with tones */ p_fromup_buffer_readp = (p_fromup_buffer_readp + length) & FROMUP_BUFFER_MASK; inbuffer -= length; } /* if we have more in buffer, than we send this time */ if (inbuffer > (elapsed-length)) inbuffer = elapsed - length; /* set length to what we actually have */ length = length + inbuffer; /* now fill up with fromup_buffer */ while (inbuffer) { *p++ = p_fromup_buffer[p_fromup_buffer_readp]; p_fromup_buffer_readp = (p_fromup_buffer_readp + 1) & FROMUP_BUFFER_MASK; inbuffer--; } } /* overwrite buffer with crypto stuff */ if (p_m_crypt_msg_loops) { /* send pending message */ int tosend; /* we need full length */ length = elapsed; check!! tosend = p_m_crypt_msg_len - p_m_crypt_msg_current; if (tosend > length) tosend = length; memcpy(buffer, p_m_crypt_msg+p_m_crypt_msg_current, tosend); p_m_crypt_msg_current += tosend; if (p_m_crypt_msg_current == p_m_crypt_msg_len) { p_m_crypt_msg_current = 0; p_m_crypt_msg_loops--; } } frm->prim = DL_DATA | REQUEST; frm->addr = p_m_b_addr | FLG_MSG_DOWN; frm->dinfo = 0; frm->len = length; memcpy(&frm->data.p, buffer, length); mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); if (p_debug_nothingtosend) { p_debug_nothingtosend = 0; PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) start sending, because we have tones and/or remote audio.\n", p_name); } return(1); } } else { if (!cwp_debug_nothingtosend) { p_debug_nothingtosend = 1; PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) stop sending, because we have only silence.\n", p_name); } } // NOTE: deletion is done by the child class /* handle timeouts */ if (p_m_timeout) { if (p_m_timer+p_m_timeout < now_d) { PDEBUG(DEBUG_ISDN, "(%s) timeout after %d seconds detected (state=%d).\n", p_name, p_m_timeout, p_state); p_m_timeout = 0; /* send timeout to endpoint */ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TIMEOUT); message->param.state = p_state; message_put(message); } return(1); } return(0); /* nothing done */ } /* * whenever we get audio data from bchannel, we process it here */ void PmISDN::bchannel_receive(iframe_t *frm) { unsigned char *data_temp; unsigned long length_temp; struct message *message; struct timeval tv; struct timezone tz; long long jitter_now; int newlen; unsigned char *p; int l; unsigned long cont; // iframe_t rsp; /* response to possible indication */ #if 0 #warning BCHANNEL-DEBUG { // check if we are part of all ports */ class Port *port = port_first; while(port) { if (port==this) break; port=port->next; } if (!port) { PERROR_RUNTIME("**************************************************\n"); PERROR_RUNTIME("*** BCHANNEL-DEBUG: !this! is not in list of ports\n"); PERROR_RUNTIME("**************************************************\n"); return; } } #endif if (frm->prim == (PH_CONTROL | INDICATION)) { if (frm->len < 4) { PERROR("SHORT READ OF PH_CONTROL INDICATION\n"); return; } cont = *((unsigned long *)&frm->data.p); // PDEBUG(DEBUG_PORT, "PmISDN(%s) received a PH_CONTROL INDICATION 0x%x\n", p_name, cont); if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL) { message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_DTMF); message->param.dtmf = cont & DTMF_TONE_MASK; PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION DTMF digit '%c'\n", p_name, message->param.dtmf); message_put(message); return; } switch(cont) { case BF_REJECT: message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT); message->param.crypt.type = CC_ERROR_IND; PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION reject of blowfish.\n", p_name); message_put(message); break; case BF_ACCEPT: message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT); message->param.crypt.type = CC_ACTBF_CONF; PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION accept of blowfish.\n", p_name); message_put(message); break; case CMX_TX_DATA: if (!p_m_txdatad) { /* if rx is off, it may happen that fifos send us pending informations, we just ignore them */ PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) ignoring rx data, because 'txdata' is turned off\n", p_name); return; } if (p_record) record(&(cont+1), frm->len - 4, 1); // from up break; default: PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION unknown 0x%x.\n", p_name, cont); } return; } if (frm->prim != (PH_DATA | INDICATION)) { PERROR("Bchannel received unknown primitve: 0x%x\n", frm->prim); return; } /* calls will not process any audio data unless * the call is connected OR tones feature is enabled. */ if (p_state!=PORT_STATE_CONNECT && !p_m_mISDNport->is_tones) return; #if 0 /* the bearer capability must be audio in order to send and receive * audio prior or after connect. */ if (!(p_bearerinfo.capability&CLASS_CAPABILITY_AUDIO) && p_state!=PORT_STATE_CONNECT) return; #endif /* if rx is off, it may happen that fifos send us pending informations, we just ignore them */ if (p_m_rxoff) { PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) ignoring data, because rx is turned off\n", p_name); return; } /* record data */ if (p_record) record((unsigned char *)&frm->data.p, frm->len, 0); // from down /* randomize and listen to crypt message if enabled */ if (p_m_crypt_listen) { /* the noisy randomizer */ p = (unsigned char *)&frm->data.p; l = frm->len; while(l--) mISDN_rand[mISDN_rand_count & 0xff] += *p++; cryptman_listen_bch((unsigned char *)&frm->data.p, frm->len); } p = (unsigned char *)&frm->data.p; /* send data to epoint */ if (p_m_calldata && ACTIVE_EPOINT(p_epointlist)) /* only if we have an epoint object */ { //printf("we are port %s and sending to epoint %d\n", p_m_cardname, p_epoint->serial); length_temp = frm->len; data_temp = p; while(length_temp) { message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_DATA); message->param.data.len = (length_temp>sizeof(message->param.data.data))?sizeof(message->param.data.data):length_temp; memcpy(message->param.data.data, data_temp, message->param.data.len); message->param.data.compressed = 1; message->param.data.port_id = p_serial; message->param.data.port_type = p_type; message_put(message); if (length_temp <= sizeof(message->param.data.data)) break; data_temp += sizeof(message->param.data.data); length_temp -= sizeof(message->param.data.data); } } #if 0 /* response to the data indication */ rsp.prim = frm->prim & 0xfffffffc | RESPONSE; rsp.addr = frm->addr & INST_ID_MASK | FLG_MSG_DOWN; rsp.dinfo = frm->dinfo; rsp.len = 0; mISDN_write(mISDNdevice, &rsp, mISDN_HEADER_LEN+rsp.len, TIMEOUT_1SEC); //PDEBUG(DEBUG_ISDN, "written %d bytes.\n", length); #endif } /* * set echotest */ void PmISDN::set_echotest(int echo) { if (p_m_echo != echo) { p_m_echo = echo; PDEBUG(DEBUG_ISDN, "we set echo to echo=%d.\n", p_m_echo); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, p_m_echo?CMX_ECHO_ON:CMX_ECHO_OFF, 0); } } /* * set tone */ void PmISDN::set_tone(char *dir, char *tone) { int id; if (!tone) tone = ""; PDEBUG(DEBUG_ISDN, "isdn port now plays tone:'%s'.\n", tone); if (!tone[0]) { id = TONE_OFF; goto setdsp; } /* check if we NOT really have to use a dsp-tone */ if (!options.dsptones) { nodsp: if (p_m_tone) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) { PDEBUG(DEBUG_ISDN, "we reset tone from id=%d to OFF.\n", p_m_tone); ph_control(p_m_b_addr, TONE_PATT_OFF, 0); } p_m_tone = 0; Port::set_tone(dir, tone); return; } if (p_tone_dir[0]) goto nodsp; /* now we USE dsp-tone, convert name */ else if (!strcmp(tone, "dialtone")) { switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_DIALTONE; break; case DSP_GERMAN: id = TONE_GERMAN_DIALTONE; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDDIALTONE; break; } } else if (!strcmp(tone, "dialpbx")) { switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_DIALPBX; break; case DSP_GERMAN: id = TONE_GERMAN_DIALPBX; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDDIALPBX; break; } } else if (!strcmp(tone, "ringing")) { switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_RINGING; break; case DSP_GERMAN: id = TONE_GERMAN_RINGING; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDRINGING; break; } } else if (!strcmp(tone, "ringpbx")) { switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_RINGPBX; break; case DSP_GERMAN: id = TONE_GERMAN_RINGPBX; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDRINGPBX; break; } } else if (!strcmp(tone, "busy")) { busy: switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_BUSY; break; case DSP_GERMAN: id = TONE_GERMAN_BUSY; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDBUSY; break; } } else if (!strcmp(tone, "release")) { hangup: switch(options.dsptones) { case DSP_AMERICAN: id = TONE_AMERICAN_HANGUP; break; case DSP_GERMAN: id = TONE_GERMAN_HANGUP; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDHANGUP; break; } } else if (!strcmp(tone, "cause_10")) goto hangup; else if (!strcmp(tone, "cause_11")) goto busy; else if (!strcmp(tone, "cause_22")) { switch(options.dsptones) { case DSP_AMERICAN: id = TONE_SPECIAL_INFO; break; case DSP_GERMAN: id = TONE_GERMAN_GASSENBESETZT; break; case DSP_OLDGERMAN: id = TONE_GERMAN_OLDBUSY; break; } } else if (!strncmp(tone, "cause_", 6)) id = TONE_SPECIAL_INFO; else id = TONE_OFF; /* if we have a tone that is not supported by dsp */ if (id==TONE_OFF && tone[0]) goto nodsp; setdsp: if (p_m_tone != id) { /* set new tone */ p_m_tone = id; PDEBUG(DEBUG_ISDN, "we set tone to id=%d.\n", p_m_tone); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, p_m_tone?TONE_PATT_ON:TONE_PATT_OFF, p_m_tone); } /* turn user-space tones off in cases of no tone OR dsp tone */ Port::set_tone("",NULL); } /* MESSAGE_mISDNSIGNAL */ //extern struct message *dddebug; void PmISDN::message_mISDNsignal(unsigned long epoint_id, int message_id, union parameter *param) { switch(param->mISDNsignal.message) { case mISDNSIGNAL_VOLUME: if (p_m_txvol != param->mISDNsignal.txvol) { p_m_txvol = param->mISDNsignal.txvol; PDEBUG(DEBUG_BCHANNEL, "we change tx-volume to shift=%d.\n", p_m_txvol); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, VOL_CHANGE_TX, p_m_txvol); } if (p_m_rxvol != param->mISDNsignal.rxvol) { p_m_rxvol = param->mISDNsignal.rxvol; PDEBUG(DEBUG_BCHANNEL, "we change rx-volume to shift=%d.\n", p_m_rxvol); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, VOL_CHANGE_RX, p_m_rxvol); } 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_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, (p_m_conf)?CMX_CONF_JOIN:CMX_CONF_SPLIT, p_m_conf); } /* we must set, even if currently tone forbids conf */ p_m_conf = param->mISDNsignal.conf; //if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type); break; case mISDNSIGNAL_CALLDATA: if (p_m_calldata != param->mISDNsignal.calldata) { p_m_calldata = param->mISDNsignal.calldata; PDEBUG(DEBUG_BCHANNEL, "we change to calldata=%d.\n", p_m_calldata); auch senden } break; #if 0 case mISDNSIGNAL_NODATA: p_m_nodata = param->mISDNsignal.nodata; if (p_m_txmix == p_m_nodata) /* txmix != !nodata */ { p_m_txmix = !p_m_nodata; PDEBUG(DEBUG_BCHANNEL, "we change mix mode to txmix=%d (nodata=%d).\n", p_m_txmix, p_m_nodata); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, p_m_txmix?CMX_MIX_ON:CMX_MIX_OFF, 0); } break; #endif #if 0 case mISDNSIGNAL_RXOFF: if (p_m_rxoff != param->mISDNsignal.rxoff) { p_m_rxoff = param->mISDNsignal.rxoff; PDEBUG(DEBUG_BCHANNEL, "we change receive mode to rxoff=%d.\n", p_m_rxoff); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, p_m_rxoff?CMX_RECEIVE_OFF:CMX_RECEIVE_ON, 0); } break; case mISDNSIGNAL_DTMF: if (p_m_dtmf != param->mISDNsignal.dtmf) { p_m_dtmf = param->mISDNsignal.dtmf; PDEBUG(DEBUG_BCHANNEL, "we change dtmf mode to dtmf=%d.\n", p_m_dtmf); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control(p_m_b_addr, p_m_dtmf?DTMF_TONE_START:DTMF_TONE_STOP, 0); } break; #endif default: PERROR("PmISDN(%s) unsupported signal message %d.\n", p_name, param->mISDNsignal.message); } } /* MESSAGE_CRYPT */ void PmISDN::message_crypt(unsigned long epoint_id, int message_id, union parameter *param) { struct message *message; switch(param->crypt.type) { case CC_ACTBF_REQ: /* activate blowfish */ p_m_crypt = 1; p_m_crypt_key_len = param->crypt.len; if (p_m_crypt_key_len > (int)sizeof(p_m_crypt_key)) { PERROR("PmISDN(%s) key too long %d > %d\n", p_name, p_m_crypt_key_len, sizeof(p_m_crypt_key)); message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT); message->param.crypt.type = CC_ERROR_IND; message_put(message); break; } memcpy(p_m_crypt_key, param->crypt.data, p_m_crypt_key_len); crypt_off: PDEBUG(DEBUG_BCHANNEL, "we set encryption to crypt=%d. (0 means OFF)\n", p_m_crypt); if (p_m_b_channel) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) ph_control_block(p_m_b_addr, p_m_crypt?BF_ENABLE_KEY:BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len); break; case CC_DACT_REQ: /* deactivate session encryption */ p_m_crypt = 0; goto crypt_off; break; case CR_LISTEN_REQ: /* start listening to messages */ p_m_crypt_listen = 1; p_m_crypt_listen_state = 0; break; case CR_UNLISTEN_REQ: /* stop listening to messages */ p_m_crypt_listen = 0; break; case CR_MESSAGE_REQ: /* send message */ p_m_crypt_msg_len = cryptman_encode_bch(param->crypt.data, param->crypt.len, p_m_crypt_msg, sizeof(p_m_crypt_msg)); if (!p_m_crypt_msg_len) { PERROR("PmISDN(%s) message too long %d > %d\n", p_name, param->crypt.len-1, sizeof(p_m_crypt_msg)); break; } p_m_crypt_msg_current = 0; /* reset */ p_m_crypt_msg_loops = 3; /* enable */ #if 0 /* disable txmix, or we get corrupt data due to audio process */ if (p_m_txmix) { PDEBUG(DEBUG_BCHANNEL, "for sending CR_MESSAGE_REQ, we reset txmix from txmix=%d.\n", p_m_txmix); ph_control(p_m_b_addr, CMX_MIX_OFF, 0); } #endif break; default: PERROR("PmISDN(%s) unknown crypt message %d\n", p_name, param->crypt.type); } } /* * endpoint sends messages to the port */ int PmISDN::message_epoint(unsigned long epoint_id, int message_id, union parameter *param) { if (Port::message_epoint(epoint_id, message_id, param)) return(1); switch(message_id) { case MESSAGE_mISDNSIGNAL: /* user command */ PDEBUG(DEBUG_ISDN, "PmISDN(%s) received special ISDN SIGNAL %d.\n", p_name, param->mISDNsignal.message); message_mISDNsignal(epoint_id, message_id, param); return(1); case MESSAGE_CRYPT: /* crypt control command */ PDEBUG(DEBUG_ISDN, "PmISDN(%s) received encryption command '%d'.\n", p_name, param->crypt.type); message_crypt(epoint_id, message_id, param); return(1); } return(0); } /* * transmit function for data to mISDN b-channel */ void Port::transmit(unsigned char *buffer, int length) { } /* * main loop for processing messages from mISDN device */ int mISDN_handler(void) { int ret; msg_t *msg; iframe_t *frm; struct mISDNport *mISDNport; class PmISDN *isdnport; net_stack_t *nst; msg_t *dmsg; mISDNuser_head_t *hh; int i; /* the que avoids loopbacks when replying to stack after receiving * from stack. */ mISDNport = mISDNport_first; while(mISDNport) { /* process turning on/off rx */ i = 0; while(i < mISDNport->b_num) { isdnport=mISDNport->b_port[i]; /* call bridges in user space OR crypto OR recording */ if (isdnport->p_m_calldata || isdnport->p_m_crypt_msg_loops || isdnport->p_m_crypt_listen || isdnport->p_record) { /* rx IS required */ if (isdnport->p_m_rxoff) { /* turn on RX */ isdnport->p_m_rxoff = 0; PDEBUG(DEBUG_BCHANNEL, "%s: receive data is required, so we turn them on\n"); if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_ON, 0); return(1); } } else { /* rx NOT required */ if (!isdnport->p_m_rxoff) { /* turn off RX */ isdnport->p_m_rxoff = 1; PDEBUG(DEBUG_BCHANNEL, "%s: receive data is not required, so we turn them off\n"); if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_OFF, 0); return(1); } } /* recordin */ if (isdnport->p_record) { /* txdata IS required */ if (!isdnport->p_m_txdata) { /* turn on RX */ isdnport->p_m_txdata = 1; PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is required, so we turn them on\n"); if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) ph_control(isdnport->p_m_b_addr, CMX_TXDATA_ON, 0); return(1); } } else { /* txdata NOT required */ if (isdnport->p_m_txdata) { /* turn off RX */ isdnport->p_m_txdata = 0; PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is not required, so we turn them off\n"); if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) ph_control(isdnport->p_m_b_addr, CMX_TXDATA_OFF, 0); return(1); } i++; } #if 0 if (mISDNport->l1timeout && now>mISDNport->l1timeout) { PDEBUG(DEBUG_ISDN, "the L1 establish timer expired, we release all pending messages.\n", mISDNport->portnum); mISDNport->l1timeout = 0; #endif if (mISDNport->l2establish) { if (now-mISDNport->l2establish > 5) { if (mISDNport->ntmode) { PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link NT portnum=%d.\n", mISDNport->portnum); time(&mISDNport->l2establish); /* establish */ dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0); if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg)) free_msg(dmsg); } else { PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link TE portnum=%d.\n", mISDNport->portnum); time(&mISDNport->l2establish); /* establish */ iframe_t act; act.prim = DL_ESTABLISH | REQUEST; act.addr = (mISDNport->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN; act.dinfo = 0; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); } return(1); } } if ((dmsg = msg_dequeue(&mISDNport->downqueue))) { if (mISDNport->ntmode) { hh = (mISDNuser_head_t *)dmsg->data; PDEBUG(DEBUG_ISDN, "sending queued NT l3-down-message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", hh->prim, hh->dinfo, dmsg->len); if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg)) free_msg(dmsg); } else { frm = (iframe_t *)dmsg->data; frm->addr = mISDNport->upper_id | FLG_MSG_DOWN; frm->len = (dmsg->len) - mISDN_HEADER_LEN; PDEBUG(DEBUG_ISDN, "sending queued TE l3-down-message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", frm->prim, frm->dinfo, dmsg->len); mISDN_write(mISDNdevice, dmsg->data, dmsg->len, TIMEOUT_1SEC); free_msg(dmsg); } return(1); } mISDNport = mISDNport->next; } /* get message from kernel */ if (!(msg = alloc_msg(MAX_MSG_SIZE))) return(1); ret = mISDN_read(mISDNdevice, msg->data, MAX_MSG_SIZE, 0); if (ret < 0) { free_msg(msg); if (errno == EAGAIN) return(0); PERROR("FATAL ERROR: failed to do mISDN_read()\n"); exit(-1); } if (!ret) { free_msg(msg); // printf("%s: ERROR: mISDN_read() returns nothing\n"); return(0); } msg->len = ret; frm = (iframe_t *)msg->data; /* global prim */ switch(frm->prim) { case MGR_INITTIMER | CONFIRM: case MGR_ADDTIMER | CONFIRM: case MGR_DELTIMER | CONFIRM: case MGR_REMOVETIMER | CONFIRM: // if (options.deb & DEBUG_ISDN) // PDEBUG(DEBUG_ISDN, "timer-confirm\n"); free_msg(msg); return(1); } /* find the port */ mISDNport = mISDNport_first; while(mISDNport) { if ((frm->prim==(MGR_TIMER | INDICATION)) && mISDNport->ntmode) { itimer_t *it = mISDNport->nst.tlist; /* find timer */ while(it) { if (it->id == (int)frm->addr) break; it = it->next; } if (it) { mISDN_write_frame(mISDNdevice, msg->data, mISDNport->upper_id | FLG_MSG_DOWN, MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC); PDEBUG(DEBUG_ISDN, "timer-indication %s port %d it=%p\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, it); test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags); ret = it->function(it->data); break; } /* we will continue here because we have a timer for a different mISDNport */ } //printf("comparing frm->addr %x with upper_id %x\n", frm->addr, mISDNport->upper_id); if ((frm->addr&STACK_ID_MASK) == (unsigned int)(mISDNport->upper_id&STACK_ID_MASK)) { /* d-message */ switch(frm->prim) { case MGR_SHORTSTATUS | INDICATION: case MGR_SHORTSTATUS | CONFIRM: switch(frm->dinfo) { case SSTATUS_L1_ACTIVATED: PDEBUG(DEBUG_ISDN, "Received SSTATUS_L1_ACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); goto ss_act; case SSTATUS_L1_DEACTIVATED: PDEBUG(DEBUG_ISDN, "Received SSTATUS_L1_DEACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); goto ss_deact; case SSTATUS_L2_ESTABLISHED: PDEBUG(DEBUG_ISDN, "Received SSTATUS_L2_ESTABLISHED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); goto ss_estab; case SSTATUS_L2_RELEASED: PDEBUG(DEBUG_ISDN, "Received SSTATUS_L2_RELEASED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); goto ss_rel; } break; case PH_ACTIVATE | CONFIRM: case PH_ACTIVATE | INDICATION: PDEBUG(DEBUG_ISDN, "Received PH_ACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); if (mISDNport->ntmode) { mISDNport->l1link = 1; setup_queue(mISDNport, 1); goto l1_msg; } ss_act: mISDNport->l1link = 1; setup_queue(mISDNport, 1); break; case PH_DEACTIVATE | CONFIRM: case PH_DEACTIVATE | INDICATION: PDEBUG(DEBUG_ISDN, "Received PH_DEACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); if (mISDNport->ntmode) { mISDNport->l1link = 0; setup_queue(mISDNport, 0); goto l1_msg; } ss_deact: mISDNport->l1link = 0; setup_queue(mISDNport, 0); break; case PH_CONTROL | CONFIRM: case PH_CONTROL | INDICATION: PDEBUG(DEBUG_ISDN, "Received PH_CONTROL for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); break; case DL_ESTABLISH | INDICATION: case DL_ESTABLISH | CONFIRM: // PDEBUG(DEBUG_ISDN, "addr 0x%x established data link (DL) TE portnum=%d (DL_ESTABLISH)\n", frm->addr, mISDNport->portnum); if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */ ss_estab: // if (mISDNport->ntmode) // break; if (mISDNport->l2establish) { mISDNport->l2establish = 0; PDEBUG(DEBUG_ISDN, "the link became active before l2establish timer expiry.\n"); } mISDNport->l2link = 1; break; case DL_RELEASE | INDICATION: case DL_RELEASE | CONFIRM: // PDEBUG(DEBUG_ISDN, "addr 0x%x released data link (DL) TE portnum=%d (DL_RELEASE)\n", frm->addr, mISDNport->portnum); if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */ ss_rel: // if (mISDNport->ntmode) // break; mISDNport->l2link = 0; if (mISDNport->ptp) { time(&mISDNport->l2establish); PDEBUG(DEBUG_ISDN, "because we are ptp, we set a l2establish timer.\n"); } break; default: l1_msg: PDEBUG(DEBUG_STACK, "GOT d-msg from %s port %d prim 0x%x dinfo 0x%x addr 0x%x\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, frm->prim, frm->dinfo, frm->addr); if (frm->dinfo==(signed long)0xffffffff && frm->prim==(PH_DATA|CONFIRM)) { PERROR("SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n"); } /* d-message */ if (mISDNport->ntmode) { /* l1-data enters the nt-mode library */ nst = &mISDNport->nst; if (nst->l1_l2(nst, msg)) free_msg(msg); return(1); } else { /* l3-data is sent to pbx */ if (stack2manager_te(mISDNport, msg)) free_msg(msg); return(1); } } break; } //PDEBUG(DEBUG_ISDN, "flg:%d upper_id=%x addr=%x\n", (frm->addr&FLG_CHILD_STACK), (mISDNport->b_addr[0])&(~IF_CHILDMASK), (frm->addr)&(~IF_CHILDMASK)); /* check if child, and if parent stack match */ if ((frm->addr&FLG_CHILD_STACK) && (((unsigned int)(mISDNport->b_addr[0])&(~CHILD_ID_MASK)&STACK_ID_MASK) == ((frm->addr)&(~CHILD_ID_MASK)&STACK_ID_MASK))) { /* b-message */ switch(frm->prim) { /* we don't care about confirms, we use rx data to sync tx */ case PH_DATA | CONFIRM: case DL_DATA | CONFIRM: break; /* we receive audio data, we respond to it AND we send tones */ case PH_DATA | INDICATION: case DL_DATA | INDICATION: case PH_CONTROL | INDICATION: i = 0; while(i < mISDNport->b_num) { if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK)) break; i++; } if (i == mISDNport->b_num) { PERROR("unhandled b-message (address 0x%x).\n", frm->addr); break; } if (mISDNport->b_port[i]) { //PERROR("port sech: %s data\n", mISDNport->b_port[i]->p_name); mISDNport->b_port[i]->bchannel_receive(frm); } else PDEBUG(DEBUG_BCHANNEL, "b-channel is not associated to an ISDNPort (address 0x%x), ignoring.\n", frm->addr); break; case PH_ACTIVATE | INDICATION: case DL_ESTABLISH | INDICATION: case PH_ACTIVATE | CONFIRM: case DL_ESTABLISH | CONFIRM: PDEBUG(DEBUG_BCHANNEL, "DL_ESTABLISH confirm: bchannel is now activated (address 0x%x).\n", frm->addr); i = 0; while(i < mISDNport->b_num) { if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK)) break; i++; } if (i == mISDNport->b_num) { PERROR("unhandled b-establish (address 0x%x).\n", frm->addr); break; } mISDNport->b_state[i] = B_STATE_ACTIVE; if (!mISDNport->b_port[i]) bchannel_deactivate(mISDNport, i); else bchannel_activate(mISDNport, i); break; case PH_DEACTIVATE | INDICATION: case DL_RELEASE | INDICATION: case PH_DEACTIVATE | CONFIRM: case DL_RELEASE | CONFIRM: PDEBUG(DEBUG_BCHANNEL, "DL_RELEASE confirm: bchannel is now de-activated (address 0x%x).\n", frm->addr); i = 0; while(i < mISDNport->b_num) { if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK)) break; i++; } if (i == mISDNport->b_num) { PERROR("unhandled b-release (address 0x%x).\n", frm->addr); break; } mISDNport->b_state[i] = B_STATE_IDLE; if (mISDNport->b_port[i]) bchannel_activate(mISDNport, i); else bchannel_deactivate(mISDNport, i); break; } break; } mISDNport = mISDNport->next; } if (!mISDNport) { if (frm->prim == (MGR_TIMER | INDICATION)) PERROR("unhandled timer indication message: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len); else PERROR("unhandled message: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len); // PERROR("test: is_child: %x of stack %x == %x (baddr %x frm %x)\n", (frm->addr&FLG_CHILD_STACK), ((unsigned int)(mISDNport_first->b_addr[0])&(~CHILD_ID_MASK)&STACK_ID_MASK), ((frm->addr)&(~CHILD_ID_MASK)&STACK_ID_MASK), mISDNport_first->b_addr[0], frm->addr); } free_msg(msg); return(1); } /* * global function to add a new card (port) */ struct mISDNport *mISDN_port_open(int port, int ptp, int ptmp) { int ret; unsigned char buff[1025]; iframe_t *frm = (iframe_t *)buff; stack_info_t *stinf; struct mISDNport *mISDNport, **mISDNportp; int i, cnt; layer_info_t li; // interface_info_t ii; net_stack_t *nst; manager_t *mgr; mISDN_pid_t pid; int pri = 0; int nt = 0; iframe_t dact; /* open mISDNdevice if not already open */ if (mISDNdevice < 0) { ret = mISDN_open(); if (ret < 0) { PERROR("cannot open mISDN device ret=%d errno=%d (%s) Check for mISDN modules!\nAlso did you create \"/dev/mISDN\"? Do: \"mknod /dev/mISDN c 46 0\"\n", ret, errno, strerror(errno)); return(NULL); } mISDNdevice = ret; PDEBUG(DEBUG_ISDN, "mISDN device opened.\n"); /* create entity for layer 3 TE-mode */ mISDN_write_frame(mISDNdevice, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); ret = mISDN_read_frame(mISDNdevice, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC); if (ret < (int)mISDN_HEADER_LEN) { noentity: fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN. Exitting due to software bug."); exit(-1); } entity = frm->dinfo & 0xffff; if (!entity) goto noentity; PDEBUG(DEBUG_ISDN, "our entity for l3-processes is %d.\n", entity); } /* query port's requirements */ cnt = mISDN_get_stack_count(mISDNdevice); if (cnt <= 0) { PERROR("Found no card. Please be sure to load card drivers.\n"); return(NULL); } if (port>cnt || port<1) { PERROR("Port (%d) given at 'ports' (options.conf) is out of existing port range (%d-%d)\n", port, 1, cnt); return(NULL); } ret = mISDN_get_stack_info(mISDNdevice, port, buff, sizeof(buff)); if (ret < 0) { PERROR("Cannot get stack info for port %d (ret=%d)\n", port, ret); return(NULL); } stinf = (stack_info_t *)&frm->data.p; switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) { case ISDN_PID_L0_TE_S0: PDEBUG(DEBUG_ISDN, "TE-mode BRI S/T interface line\n"); break; case ISDN_PID_L0_NT_S0: PDEBUG(DEBUG_ISDN, "NT-mode BRI S/T interface port\n"); nt = 1; break; case ISDN_PID_L0_TE_E1: PDEBUG(DEBUG_ISDN, "TE-mode PRI E1 interface line\n"); pri = 1; break; case ISDN_PID_L0_NT_E1: PDEBUG(DEBUG_ISDN, "LT-mode PRI E1 interface port\n"); pri = 1; nt = 1; break; default: PERROR("unknown port(%d) type 0x%08x\n", port, stinf->pid.protocol[0]); return(NULL); } if (nt) { /* NT */ if (stinf->pid.protocol[1] == 0) { PERROR("Given port %d: Missing layer 1 NT-mode protocol.\n", port); return(NULL); } if (stinf->pid.protocol[2]) { PERROR("Given port %d: Layer 2 protocol 0x%08x is detected, but not allowed for NT lib.\n", port, stinf->pid.protocol[2]); return(NULL); } } else { /* TE */ if (stinf->pid.protocol[1] == 0) { PERROR("Given port %d: Missing layer 1 protocol.\n", port); return(NULL); } if (stinf->pid.protocol[2] == 0) { PERROR("Given port %d: Missing layer 2 protocol.\n", port); return(NULL); } if (stinf->pid.protocol[3] == 0) { PERROR("Given port %d: Missing layer 3 protocol.\n", port); return(NULL); } else { switch(stinf->pid.protocol[3] & ~ISDN_PID_FEATURE_MASK) { case ISDN_PID_L3_DSS1USER: break; default: PERROR("Given port %d: own protocol 0x%08x", port,stinf->pid.protocol[3]); return(NULL); } } if (stinf->pid.protocol[4]) { PERROR("Given port %d: Layer 4 protocol not allowed.\n", port); return(NULL); } } /* add mISDNport structure */ mISDNportp = &mISDNport_first; while(*mISDNportp) mISDNportp = &mISDNport->next; mISDNport = (struct mISDNport *)calloc(1, sizeof(struct mISDNport)); if (!mISDNport) { PERROR("Cannot alloc mISDNport structure\n"); return(NULL); } pmemuse++; memset(mISDNport, 0, sizeof(mISDNport)); *mISDNportp = mISDNport; /* allocate ressources of port */ msg_queue_init(&mISDNport->downqueue); // SCPY(mISDNport->name, "noname"); mISDNport->portnum = port; mISDNport->ntmode = nt; mISDNport->pri = pri; mISDNport->d_stid = stinf->id; PDEBUG(DEBUG_ISDN, "d_stid = 0x%x.\n", mISDNport->d_stid); mISDNport->b_num = stinf->childcnt; PDEBUG(DEBUG_ISDN, "Port has %d b-channels.\n", mISDNport->b_num); if ((stinf->pid.protocol[2]&ISDN_PID_L2_DF_PTP) || (nt&&ptp) || pri) { PDEBUG(DEBUG_ISDN, "Port is point-to-point.\n"); mISDNport->ptp = ptp = 1; if (ptmp && nt) { PDEBUG(DEBUG_ISDN, "Port is forced to point-to-multipoint.\n"); mISDNport->ptp = ptp = 0; } } i = 0; while(i < stinf->childcnt) { mISDNport->b_stid[i] = stinf->child[i]; PDEBUG(DEBUG_ISDN, "b_stid[%d] = 0x%x.\n", i, mISDNport->b_stid[i]); i++; } memset(&li, 0, sizeof(li)); UCPY(&li.name[0], (nt)?"net l2":"pbx l4"); li.object_id = -1; li.extentions = 0; li.pid.protocol[nt?2:4] = (nt)?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20; li.pid.layermask = ISDN_LAYER((nt?2:4)); li.st = mISDNport->d_stid; ret = mISDN_new_layer(mISDNdevice, &li); if (ret) { PERROR("Cannot add layer %d of port %d (ret %d)\n", nt?2:4, port, ret); closeport: mISDNport_close(mISDNport); return(NULL); } mISDNport->upper_id = li.id; ret = mISDN_register_layer(mISDNdevice, mISDNport->d_stid, mISDNport->upper_id); if (ret) { PERROR("Cannot register layer %d of port %d\n", nt?2:4, port); goto closeport; } mISDNport->lower_id = mISDN_get_layerid(mISDNdevice, mISDNport->d_stid, nt?1:3); // id of lower layer (nt=1, te=3) if (mISDNport->lower_id < 0) { PERROR("Cannot get layer(%d) id of port %d\n", nt?1:3, port); goto closeport; } mISDNport->upper_id = mISDN_get_layerid(mISDNdevice, mISDNport->d_stid, nt?2:4); // id of uppermost layer (nt=2, te=4) if (mISDNport->upper_id < 0) { PERROR("Cannot get layer(%d) id of port %d\n", nt?2:4, port); goto closeport; } PDEBUG(DEBUG_ISDN, "Layer %d of port %d added.\n", nt?2:4, port); /* if ntmode, establish L1 to send the tei removal during start */ if (mISDNport->ntmode) { iframe_t act; /* L1 */ act.prim = PH_ACTIVATE | REQUEST; act.addr = mISDNport->upper_id | FLG_MSG_DOWN; printf("UPPER ID 0x%x, addr 0x%x\n",mISDNport->upper_id, act.addr); act.dinfo = 0; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); usleep(10000); /* to be sure, that l1 is up */ } /* create nst (nt-mode only) */ if (nt) { mgr = &mISDNport->mgr; nst = &mISDNport->nst; mgr->nst = nst; nst->manager = mgr; nst->l3_manager = stack2manager_nt; /* messages from nt-mode */ nst->device = mISDNdevice; nst->cardnr = port; nst->d_stid = mISDNport->d_stid; nst->feature = FEATURE_NET_HOLD; if (ptp) nst->feature |= FEATURE_NET_PTP; if (pri) nst->feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID; #if 0 i = 0; while(i < mISDNport->b_num) { nst->b_stid[i] = mISDNport->b_stid[i]; i++; } #endif nst->l1_id = mISDNport->lower_id; nst->l2_id = mISDNport->upper_id; /* phd */ msg_queue_init(&nst->down_queue); Isdnl2Init(nst); Isdnl3Init(nst); } /* if te-mode, query state link */ if (!mISDNport->ntmode) { iframe_t act; /* L2 */ PDEBUG(DEBUG_ISDN, "sending short status request for port %d.\n", port); act.prim = MGR_SHORTSTATUS | REQUEST; act.addr = mISDNport->upper_id | MSG_BROADCAST; act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); } /* if ptp AND te-mode, pull up the link */ if (mISDNport->ptp && !mISDNport->ntmode) { iframe_t act; /* L2 */ act.prim = DL_ESTABLISH | REQUEST; act.addr = (mISDNport->upper_id & ~LAYER_ID_MASK) | 4 | FLG_MSG_DOWN; act.dinfo = 0; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); } /* if ptp AND nt-mode, pull up the link */ if (mISDNport->ptp && mISDNport->ntmode) { msg_t *dmsg; /* L2 */ dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0); if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg)) free_msg(dmsg); } /* initially, we assume that the link is down, exept for nt-ptmp */ mISDNport->l2link = (mISDNport->ntmode && !mISDNport->ptp)?1:0; PDEBUG(DEBUG_BCHANNEL, "using 'mISDN_dsp.o' module\n"); /* add all bchannel layers */ i = 0; while(i < mISDNport->b_num) { /* create new layer */ PDEBUG(DEBUG_BCHANNEL, "creating bchannel %d (index %d).\n" , i+1+(i>=15), i); memset(&li, 0, sizeof(li)); memset(&pid, 0, sizeof(pid)); li.object_id = -1; li.extentions = 0; li.st = mISDNport->b_stid[i]; UCPY(li.name, "B L4"); li.pid.layermask = ISDN_LAYER((4)); li.pid.protocol[4] = ISDN_PID_L4_B_USER; ret = mISDN_new_layer(mISDNdevice, &li); if (ret) { failed_new_layer: PERROR("mISDN_new_layer() failed to add bchannel %d (index %d)\n", i+1+(i>=15), i); goto closeport; } mISDNport->b_addr[i] = li.id; if (!li.id) { goto failed_new_layer; } PDEBUG(DEBUG_BCHANNEL, "new layer (b_addr=0x%x)\n", mISDNport->b_addr[i]); /* create new stack */ pid.protocol[1] = ISDN_PID_L1_B_64TRANS; pid.protocol[2] = ISDN_PID_L2_B_TRANS; pid.protocol[3] = ISDN_PID_L3_B_DSP; pid.protocol[4] = ISDN_PID_L4_B_USER; pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4)); ret = mISDN_set_stack(mISDNdevice, mISDNport->b_stid[i], &pid); if (ret) { stack_error: PERROR("mISDN_set_stack() failed (ret=%d) to add bchannel (index %d) stid=0x%x\n", ret, i, mISDNport->b_stid[i]); mISDN_write_frame(mISDNdevice, buff, mISDNport->b_addr[i], MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); mISDNport->b_addr[i] = 0; // mISDNport->b_addr_low[i] = 0; goto closeport; } ret = mISDN_get_setstack_ind(mISDNdevice, mISDNport->b_addr[i]); if (ret) goto stack_error; /* get layer id */ mISDNport->b_addr[i] = mISDN_get_layerid(mISDNdevice, mISDNport->b_stid[i], 4); if (!mISDNport->b_addr[i]) goto stack_error; /* deactivate bchannel if already enabled due to crash */ PDEBUG(DEBUG_BCHANNEL, "deactivating bchannel (index %d) as a precaution.\n", i); dact.prim = DL_RELEASE | REQUEST; dact.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN; dact.dinfo = 0; dact.len = 0; mISDN_write(mISDNdevice, &dact, mISDN_HEADER_LEN+dact.len, TIMEOUT_1SEC); i++; } PDEBUG(DEBUG_ISDN, "- port %d %s (%s) %d b-channels\n", mISDNport->portnum, (mISDNport->ntmode)?"NT-mode":"TE-mode", (mISDNport->ptp)?"Point-To-Point":"Multipoint", mISDNport->b_num); printlog("opening port %d %s (%s) %d b-channels\n", mISDNport->portnum, (mISDNport->ntmode)?"NT-mode":"TE-mode", (mISDNport->ptp)?"Point-To-Point":"Multipoint", mISDNport->b_num); return(mISDNport); } /* * function to free ALL cards (ports) */ void mISDNport_close_all(void) { /* free all ports */ while(mISDNport_first) mISDNport_close(mISDNport_first); } /* * free only one port */ void mISDNport_close(struct mISDNport *mISDNport) { struct mISDNport **mISDNportp; class Port *port; classs PmISDN *pmISDN; net_stack_t *nst; unsigned char buf[32]; int i; /* remove all port instance that are linked to this mISDNport */ port = port_first; while(port) { if ((port->p_type&PORT_CLASS_MASK) == PORT_CLASS_mISDN) { pmISDN = (class PmISDN)*port; if (pmISDN->p_m_mISDNport) { PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", pnISDN->p_name, mISDNport->portnum); delete pmISDN; } } port = port->next; } printlog("closing port %d\n", mISDNport->portnum); /* free bchannels */ i = 0; while(i < mISDNport->b_num) { bchannel_deactivate(mISDNport, i); PDEBUG(DEBUG_BCHANNEL, "freeing %s port %d bchannel (index %d).\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, i); if (mISDNport->b_stid[i]) { mISDN_clear_stack(mISDNdevice, mISDNport->b_stid[i]); if (mISDNport->b_addr[i]) mISDN_write_frame(mISDNdevice, buf, mISDNport->b_addr[i] | FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); } i++; } /* free ressources of port */ msg_queue_purge(&mISDNport->downqueue); /* free stacks */ if (mISDNport->ntmode) { nst = &mISDNport->nst; if (nst->manager) /* to see if initialized */ { PDEBUG(DEBUG_STACK, "the following messages are ok: one L3 process always exists (broadcast process) and some L2 instances (broadcast + current telephone's instances)\n"); cleanup_Isdnl3(nst); cleanup_Isdnl2(nst); /* phd */ msg_queue_purge(&nst->down_queue); if (nst->phd_down_msg) free(nst->phd_down_msg); } } PDEBUG(DEBUG_BCHANNEL, "freeing d-stack.\n"); if (mISDNport->d_stid) { // mISDN_clear_stack(mISDNdevice, mISDNport->d_stid); if (mISDNport->lower_id) mISDN_write_frame(mISDNdevice, buf, mISDNport->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); } /* remove from list */ mISDNportp = &mISDNport_first; while(*mISDNportp) { if (*mISDNportp == mISDNport) { *mISDNportp = (*mISDNportp)->next; break; } mISDNportp = &((*mISDNportp)->next); } if (!(*mISDNportp)) { PERROR("software error, mISDNport not in list\n"); exit(-1); } memset(mISDNport, 0, sizeof(struct mISDNport)); free(mISDNport); pmemuse--; /* close mISDNdevice, if no port */ if (mISDNdevice>=0 && mISDNport_first==NULL) { /* free entity */ mISDN_write_frame(mISDNdevice, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC); /* close device */ mISDN_close(mISDNdevice); mISDNdevice = -1; PDEBUG(DEBUG_ISDN, "mISDN device closed.\n"); } } /* * global function to show all available isdn ports */ void mISDN_port_info(void) { int err; int i, ii, p; int useable, nt, pri; unsigned char buff[1025]; iframe_t *frm = (iframe_t *)buff; stack_info_t *stinf; int device; /* open mISDN */ if ((device = mISDN_open()) < 0) { fprintf(stderr, "cannot open mISDN device ret=%d errno=%d (%s) Check for mISDN modules!\nAlso did you create \"/dev/mISDN\"? Do: \"mknod /dev/mISDN c 46 0\"\n", device, errno, strerror(errno)); exit(-1); } /* get number of stacks */ i = 1; ii = mISDN_get_stack_count(device); printf("\n"); if (ii <= 0) { printf("Found no card. Please be sure to load card drivers.\n"); } /* loop the number of cards and get their info */ while(i <= ii) { err = mISDN_get_stack_info(device, i, buff, sizeof(buff)); if (err <= 0) { fprintf(stderr, "mISDN_get_stack_info() failed: port=%d err=%d\n", i, err); break; } stinf = (stack_info_t *)&frm->data.p; nt = pri = 0; useable = 1; /* output the port info */ printf("Port %2d: ", i); switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) { case ISDN_PID_L0_TE_S0: printf("TE-mode BRI S/T interface line (for phone lines)"); #if 0 if (stinf->pid.protocol[0] & ISDN_PID_L0_TE_S0_HFC & ISDN_PID_FEATURE_MASK) printf(" HFC multiport card"); #endif break; case ISDN_PID_L0_NT_S0: nt = 1; printf("NT-mode BRI S/T interface port (for phones)"); #if 0 if (stinf->pid.protocol[0] & ISDN_PID_L0_NT_S0_HFC & ISDN_PID_FEATURE_MASK) printf(" HFC multiport card"); #endif break; case ISDN_PID_L0_TE_E1: pri = 1; printf("TE-mode PRI E1 interface line (for phone lines)"); #if 0 if (stinf->pid.protocol[0] & ISDN_PID_L0_TE_E1_HFC & ISDN_PID_FEATURE_MASK) printf(" HFC-E1 card"); #endif break; case ISDN_PID_L0_NT_E1: nt = 1; pri = 1; printf("NT-mode PRI E1 interface port (for phones)"); #if 0 if (stinf->pid.protocol[0] & ISDN_PID_L0_NT_E1_HFC & ISDN_PID_FEATURE_MASK) printf(" HFC-E1 card"); #endif break; default: useable = 0; printf("unknown type 0x%08x",stinf->pid.protocol[0]); } printf("\n"); if (nt) { if (stinf->pid.protocol[1] == 0) { useable = 0; printf(" -> Missing layer 1 NT-mode protocol.\n"); } p = 2; while(p <= MAX_LAYER_NR) { if (stinf->pid.protocol[p]) { useable = 0; printf(" -> Layer %d protocol 0x%08x is detected, but not allowed for NT lib.\n", p, stinf->pid.protocol[p]); } p++; } if (useable) { if (pri) printf(" -> Interface is Point-To-Point (PRI).\n"); else printf(" -> Interface can be Poin-To-Point/Multipoint.\n"); } } else { if (stinf->pid.protocol[1] == 0) { useable = 0; printf(" -> Missing layer 1 protocol.\n"); } if (stinf->pid.protocol[2] == 0) { useable = 0; printf(" -> Missing layer 2 protocol.\n"); } if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP) { printf(" -> Interface is Poin-To-Point.\n"); } if (stinf->pid.protocol[3] == 0) { useable = 0; printf(" -> Missing layer 3 protocol.\n"); } else { printf(" -> Protocol: "); switch(stinf->pid.protocol[3] & ~ISDN_PID_FEATURE_MASK) { case ISDN_PID_L3_DSS1USER: printf("DSS1 (Euro ISDN)"); break; default: useable = 0; printf("unknown protocol 0x%08x",stinf->pid.protocol[3]); } printf("\n"); } p = 4; while(p <= MAX_LAYER_NR) { if (stinf->pid.protocol[p]) { useable = 0; printf(" -> Layer %d protocol 0x%08x is detected, but not allowed for TE lib.\n", p, stinf->pid.protocol[p]); } p++; } } printf(" - %d B-channels\n", stinf->childcnt); if (!useable) printf(" * Port NOT useable for PBX\n"); printf("--------\n"); i++; } printf("\n"); /* close mISDN */ if ((err = mISDN_close(device))) { fprintf(stderr, "mISDN_close() failed: err=%d '%s'\n", err, strerror(err)); exit(-1); } }