X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=mISDN.cpp;h=2ee2c491bbeb82ff6b84a43cdf1404f8d32a58f8;hp=5bb09d10c66de4da5f1c53dd7f41878611e99d8b;hb=258c2e57a441f1fd8ed779bb2d88992aba3c1e65;hpb=2ed0fee489c37a6e2d4473f6185ebbe3e746ac11 diff --git a/mISDN.cpp b/mISDN.cpp index 5bb09d1..2ee2c49 100644 --- a/mISDN.cpp +++ b/mISDN.cpp @@ -1,46 +1,205 @@ /*****************************************************************************\ ** ** -** PBX4Linux ** +** Linux Call Router ** ** ** **---------------------------------------------------------------------------** ** Copyright: Andreas Eversberg ** ** ** -** mISDN port abstraction for dss1 and sip ** +** mISDN port abstraction for dss1 ** ** ** \*****************************************************************************/ - -#include -#include -#include #include "main.h" -#include -#include -#include -#include -#include -#include -#include +#include "myisdn.h" +#ifndef SOCKET_MISDN +// old mISDN extern "C" { -#include +#include } -#define ISDN_PID_L2_B_USER 0x420000ff -#define ISDN_PID_L3_B_USER 0x430000ff +#ifndef CMX_TXDATA_ON +#define OLD_MISDN +#endif +#ifndef CMX_TXDATA_OFF +#define OLD_MISDN +#endif +#ifndef CMX_DELAY +#define OLD_MISDN +#endif +#ifndef PIPELINE_CFG +#define OLD_MISDN +#endif +#ifndef CMX_TX_DATA +#define OLD_MISDN +#endif + +#ifdef OLD_MISDN +#warning +#warning ********************************************************* +#warning * +#warning * It seems that you use an older version of mISDN. +#warning * Features like voice recording or echo will not work. +#warning * Also it causes problems with loading modules and may +#warning * not work at all. +#warning * +#warning * Please upgrade to newer version. A working version can +#warning * be found at www.linux-call-router.de. +#warning * +#warning * Do not use the mISDN_1_1 branch, it does not have all +#warning * the features that are required. Use the master branch +#warning * instead. +#warning * +#warning ********************************************************* +#warning +#error +#endif + +#ifndef ISDN_PID_L4_B_USER #define ISDN_PID_L4_B_USER 0x440000ff +#endif + +#else +// socket mISDN +#include +extern "C" { +} +#include +#include +#include +#endif -/* used for udevice */ -int entity = 0; +// timeouts if activating/deactivating response from mISDN got lost +#define B_TIMER_ACTIVATING 1 // seconds +#define B_TIMER_DEACTIVATING 1 // seconds + +/* list of mISDN ports */ +struct mISDNport *mISDNport_first; /* noise randomizer */ unsigned char mISDN_rand[256]; int mISDN_rand_count = 0; -/* the device handler and port list */ -int mISDNdevice = -1; +#ifdef SOCKET_MISDN +unsigned long mt_assign_pid = ~0; -/* list of mISDN ports */ -struct mISDNport *mISDNport_first; +int mISDNsocket = -1; + +int mISDN_initialize(void) +{ + char filename[256]; + + /* try to open raw socket to check kernel */ + mISDNsocket = socket(PF_ISDN, SOCK_RAW, ISDN_P_BASE); + if (mISDNsocket < 0) + { + fprintf(stderr, "Cannot open mISDN due to %s. (Does your Kernel support socket based mISDN?)\n", strerror(errno)); + return(-1); + } + + /* open debug, if enabled and not only stack debugging */ + if (options.deb && (options.deb != DEBUG_STACK)) + { + SPRINT(filename, "%s/debug.log", INSTALL_DATA); + debug_fp = fopen(filename, "a"); + } + + if (options.deb & DEBUG_STACK) + { + SPRINT(filename, "%s/debug_mISDN.log", INSTALL_DATA); + mISDN_debug_init(0xffffffff, filename, filename, filename); + } else + mISDN_debug_init(0, NULL, NULL, NULL); + + /* init mlayer3 */ + init_layer3(4); // buffer of 4 + + return(0); +} + +void mISDN_deinitialize(void) +{ + cleanup_layer3(); + + mISDN_debug_close(); + + if (debug_fp) + fclose(debug_fp); + debug_fp = NULL; + + if (mISDNsocket > -1) + close(mISDNsocket); +} +#else +int entity = 0; /* used for udevice */ +int mISDNdevice = -1; /* the device handler and port list */ + +int mISDN_initialize(void) +{ + char debug_log[128]; + unsigned char buff[1025]; + iframe_t *frm = (iframe_t *)buff; + int ret; + + /* initialize stuff of the NT lib */ + if (options.deb & DEBUG_STACK) + { + global_debug = 0xffffffff & ~DBGM_MSG; +// global_debug = DBGM_L3DATA; + } else + global_debug = DBGM_MAN; + SPRINT(debug_log, "%s/debug.log", INSTALL_DATA); + if (options.deb & DEBUG_LOG) + debug_init(global_debug, debug_log, debug_log, debug_log); + else + debug_init(global_debug, NULL, NULL, NULL); + msg_init(); + + /* open mISDNdevice if not already open */ + if (mISDNdevice < 0) + { + ret = mISDN_open(); + if (ret < 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", ret, errno, strerror(errno)); + return(-1); + } + 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: + FATAL("Cannot request MGR_NEWENTITY from mISDN. Exitting due to software bug."); + } + entity = frm->dinfo & 0xffff; + if (!entity) + goto noentity; + PDEBUG(DEBUG_ISDN, "our entity for l3-processes is %d.\n", entity); + } + return(0); +} + +void mISDN_deinitialize(void) +{ + unsigned char buff[1025]; + + debug_close(); + global_debug = 0; + + if (mISDNdevice > -1) + { + /* free entity */ + mISDN_write_frame(mISDNdevice, buff, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC); + /* close device */ + mISDN_close(mISDNdevice); + mISDNdevice = -1; + PDEBUG(DEBUG_ISDN, "mISDN device closed.\n"); + } +} +#endif /* * constructor @@ -53,26 +212,29 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti 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_tx_gain = mISDNport->ifport->interface->tx_gain; + p_m_rx_gain = mISDNport->ifport->interface->rx_gain; p_m_conf = 0; -#warning set delay by routing parameter or interface config + p_m_txdata = 0; p_m_delay = 0; p_m_echo = 0; p_m_tone = 0; p_m_rxoff = 0; - p_m_txmix = 0; - p_m_txmix_on = 0; - p_m_nodata = 1; /* may be 1, because call always notifies us */ - p_m_dtmf = !options.nodtmf; + p_m_joindata = 0; + p_m_dtmf = !mISDNport->ifport->nodtmf; p_m_timeout = 0; p_m_timer = 0; -#warning denke auch an die andere seite. also das setup sollte dies weitertragen + p_m_remote_ref = 0; /* channel shall be exported to given remote */ + p_m_remote_id = 0; /* channel shall be exported to given remote */ + SCPY(p_m_pipeline, mISDNport->ifport->interface->pipeline); + + /* audio */ + p_m_load = 0; + p_m_last_tv_sec = 0; + /* crypt */ p_m_crypt = 0; p_m_crypt_listen = 0; p_m_crypt_msg_loops = 0; @@ -80,13 +242,18 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti 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 (mISDNport->ifport->interface->bf_len >= 4 && mISDNport->ifport->interface->bf_len <= 56) + { + memcpy(p_m_crypt_key, mISDNport->ifport->interface->bf_key, p_m_crypt_key_len); + p_m_crypt_key_len = mISDNport->ifport->interface->bf_len; + p_m_crypt = 1; + } /* if any channel requested by constructor */ if (channel == CHANNEL_ANY) @@ -96,9 +263,8 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti mISDNport->b_reserved++; } - } else /* reserve channel */ - if (channel) // only if constructor was called with a channel resevation + if (channel > 0) // only if constructor was called with a channel resevation seize_bchannel(channel, exclusive); /* we increase the number of objects: */ @@ -115,7 +281,7 @@ PmISDN::~PmISDN() struct message *message; /* remove bchannel relation */ - free_bchannel(); + drop_bchannel(); /* release epoint */ while (p_epointlist) @@ -136,226 +302,917 @@ PmISDN::~PmISDN() /* + * trace + */ +void chan_trace_header(struct mISDNport *mISDNport, class PmISDN *port, char *msgtext, int direction) +{ + /* init trace with given values */ + start_trace(mISDNport?mISDNport->portnum:0, + (mISDNport)?((mISDNport->ifport)?mISDNport->ifport->interface:NULL):NULL, + port?numberrize_callerinfo(port->p_callerinfo.id, port->p_callerinfo.ntype):NULL, + port?port->p_dialinginfo.id:NULL, + direction, + CATEGORY_CH, + port?port->p_serial:0, + msgtext); +} + + +/* + * layer trace header + */ +static struct isdn_message { + char *name; + unsigned long value; +} isdn_message[] = { + {"PH_ACTIVATE", L1_ACTIVATE_REQ}, + {"PH_DEACTIVATE", L1_DEACTIVATE_REQ}, + {"DL_ESTABLISH", L2_ESTABLISH_REQ}, + {"DL_RELEASE", L2_RELEASE_REQ}, + {"UNKNOWN", L3_UNKNOWN}, + {"MT_TIMEOUT", L3_TIMEOUT_REQ}, + {"MT_SETUP", L3_SETUP_REQ}, + {"MT_SETUP_ACK", L3_SETUP_ACKNOWLEDGE_REQ}, + {"MT_PROCEEDING", L3_PROCEEDING_REQ}, + {"MT_ALERTING", L3_ALERTING_REQ}, + {"MT_CONNECT", L3_CONNECT_REQ}, + {"MT_CONNECT_ACK", L3_CONNECT_ACKNOWLEDGE_REQ}, + {"MT_DISCONNECT", L3_DISCONNECT_REQ}, + {"MT_RELEASE", L3_RELEASE_REQ}, + {"MT_RELEASE_COMP", L3_RELEASE_COMPLETE_REQ}, + {"MT_INFORMATION", L3_INFORMATION_REQ}, + {"MT_PROGRESS", L3_PROGRESS_REQ}, + {"MT_NOTIFY", L3_NOTIFY_REQ}, + {"MT_SUSPEND", L3_SUSPEND_REQ}, + {"MT_SUSPEND_ACK", L3_SUSPEND_ACKNOWLEDGE_REQ}, + {"MT_SUSPEND_REJ", L3_SUSPEND_REJECT_REQ}, + {"MT_RESUME", L3_RESUME_REQ}, + {"MT_RESUME_ACK", L3_RESUME_ACKNOWLEDGE_REQ}, + {"MT_RESUME_REJ", L3_RESUME_REJECT_REQ}, + {"MT_HOLD", L3_HOLD_REQ}, + {"MT_HOLD_ACK", L3_HOLD_ACKNOWLEDGE_REQ}, + {"MT_HOLD_REJ", L3_HOLD_REJECT_REQ}, + {"MT_RETRIEVE", L3_RETRIEVE_REQ}, + {"MT_RETRIEVE_ACK", L3_RETRIEVE_ACKNOWLEDGE_REQ}, + {"MT_RETRIEVE_REJ", L3_RETRIEVE_REJECT_REQ}, + {"MT_FACILITY", L3_FACILITY_REQ}, + {"MT_STATUS", L3_STATUS_REQ}, + {"MT_RESTART", L3_RESTART_REQ}, +#ifdef SOCKET_MISDN + {"MT_NEW_L3ID", L3_NEW_L3ID_REQ}, + {"MT_RELEASE_L3ID", L3_RELEASE_L3ID_REQ}, +#else + {"MT_NEW_CR", L3_NEW_CR_REQ}, + {"MT_RELEASE_CR", L3_RELEASE_CR_REQ}, +#endif + + {NULL, 0}, +}; +static char *isdn_prim[4] = { + " REQUEST", + " CONFIRM", + " INDICATION", + " RESPONSE", +}; +void l1l2l3_trace_header(struct mISDNport *mISDNport, class PmISDN *port, unsigned long msg, int direction) +{ + int i; + char msgtext[64] = "<>"; + + /* select message and primitive text */ + i = 0; + while(isdn_message[i].name) + { + if (isdn_message[i].value == (msg&0xffffff00)) + { + SCPY(msgtext, isdn_message[i].name); + break; + } + i++; + } + SCAT(msgtext, isdn_prim[msg&0x00000003]); + + /* add direction */ +#ifdef SOCKET_MISDN + if (direction && (msg&0xffffff00)!=L3_NEW_L3ID_REQ && (msg&0xffffff00)!=L3_RELEASE_L3ID_REQ) +#else + if (direction && (msg&0xffffff00)!=L3_NEW_CR_REQ && (msg&0xffffff00)!=L3_RELEASE_CR_REQ) +#endif + { + if (mISDNport) + { + if (mISDNport->ntmode) + { + if (direction == DIRECTION_OUT) + SCAT(msgtext, " N->U"); + else + SCAT(msgtext, " N<-U"); + } else + { + if (direction == DIRECTION_OUT) + SCAT(msgtext, " U->N"); + else + SCAT(msgtext, " U<-N"); + } + } + } + + /* init trace with given values */ + start_trace(mISDNport?mISDNport->portnum:0, + mISDNport?mISDNport->ifport->interface:NULL, + port?numberrize_callerinfo(port->p_callerinfo.id, port->p_callerinfo.ntype):NULL, + port?port->p_dialinginfo.id:NULL, + direction, + CATEGORY_CH, + port?port->p_serial:0, + msgtext); +} + + +/* * send control information to the channel (dsp-module) */ -void ph_control(unsigned long b_addr, int c1, int c2) +void ph_control(struct mISDNport *mISDNport, class PmISDN *isdnport, unsigned long handle, unsigned long c1, unsigned long c2, char *trace_name, int trace_value) { +#ifdef SOCKET_MISDN + unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+sizeof(int)]; + struct mISDNhead *ctrl = (struct mISDNhead *)buffer; + unsigned long *d = (unsigned long *)(buffer+MISDN_HEADER_LEN); + int ret; + + ctrl->prim = PH_CONTROL_REQ; + ctrl->id = 0; + *d++ = c1; + *d++ = c2; + ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)*2, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", handle); +#else 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->addr = handle | FLG_MSG_DOWN; ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned long)*2; + ctrl->len = sizeof(int)*2; *d++ = c1; *d++ = c2; mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); +#endif + chan_trace_header(mISDNport, isdnport, "BCHANNEL control", DIRECTION_OUT); + if (c1 == CMX_CONF_JOIN) + add_trace(trace_name, NULL, "0x%08x", trace_value); + else + add_trace(trace_name, NULL, "%d", trace_value); + end_trace(); } -void ph_control_block(unsigned long b_addr, int c1, void *c2, int c2_len) +void ph_control_block(struct mISDNport *mISDNport, class PmISDN *isdnport, unsigned long handle, unsigned long c1, void *c2, int c2_len, char *trace_name, int trace_value) { +#ifdef SOCKET_MISDN + unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+c2_len]; + struct mISDNhead *ctrl = (struct mISDNhead *)buffer; + unsigned long *d = (unsigned long *)(buffer+MISDN_HEADER_LEN); + int ret; + + ctrl->prim = PH_CONTROL_REQ; + ctrl->id = 0; + *d++ = c1; + memcpy(d, c2, c2_len); + ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)+c2_len, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", handle); +#else 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->addr = handle | FLG_MSG_DOWN; ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned long)*2; + ctrl->len = sizeof(int)+c2_len; *d++ = c1; memcpy(d, c2, c2_len); mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); +#endif + chan_trace_header(mISDNport, isdnport, "BCHANNEL control", DIRECTION_OUT); + add_trace(trace_name, NULL, "%d", trace_value); + end_trace(); } /* - * activate / deactivate bchannel + * subfunction for bchannel_event + * create stack */ -static void bchannel_activate(struct mISDNport *mISDNport, int i) +static int _bchannel_create(struct mISDNport *mISDNport, int i) { - iframe_t act; + int ret; +#ifdef SOCKET_MISDN + unsigned long on = 1; + struct sockaddr_mISDN addr; - /* we must activate if we are deactivated */ - if (mISDNport->b_state[i] == B_STATE_IDLE) + if (mISDNport->b_socket[i]) { - /* 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; + PERROR("Error: Socket already created for index %d\n", i); + return(0); } - /* if we are active, we configure our channel */ - if (mISDNport->b_state[i] == B_STATE_ACTIVE) + /* open socket */ + mISDNport->b_socket[i] = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_L2DSP); + if (mISDNport->b_socket[i] < 0) { - unsigned char buffer[mISDN_HEADER_LEN+ISDN_PRELOAD]; - iframe_t *pre = (iframe_t *)buffer; /* preload data */ - unsigned char *p = (unsigned char *)&pre->data.p; + PERROR("Error: Failed to open bchannel-socket for index %d with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", i); + return(0); + } + + /* set nonblocking io */ + ret = ioctl(mISDNport->b_socket[i], FIONBIO, &on); + if (ret < 0) + { + PERROR("Error: Failed to set bchannel-socket index %d into nonblocking IO\n", i); + close(mISDNport->b_socket[i]); + mISDNport->b_socket[i] = -1; + return(0); + } - /* 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; - } + /* bind socket to bchannel */ + addr.family = AF_ISDN; + addr.dev = mISDNport->portnum-1; + addr.channel = i+1+(i>=15); + ret = bind(mISDNport->b_socket[i], (struct sockaddr *)&addr, sizeof(addr)); + if (ret < 0) + { + PERROR("Error: Failed to bind bchannel-socket for index %d with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", i); + close(mISDNport->b_socket[i]); + mISDNport->b_socket[i] = -1; + return(0); + } - /* configure dsp features */ - 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 (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); - } - 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); - } + chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL create socket", DIRECTION_OUT); + add_trace("channel", NULL, "%d", i+1+(i>=15)); + add_trace("socket", NULL, "%d", mISDNport->b_socket[i]); + end_trace(); - /* preload tx-buffer */ - pre->len = mISDNport->b_port[i]->read_audio(p, ISDN_PRELOAD, 1); - if (pre->len > 0) - { - PDEBUG(DEBUG_BCHANNEL, "port is activated, we fill our buffer (ISDN_PRELOAD = %d).\n", pre->len); - /* flip bits */ -#if 0 - q = p + pre->len; - while(p != q) - *p++ = flip[*p]; + return(1); +#else + unsigned char buff[1024]; + layer_info_t li; + mISDN_pid_t pid; + + if (!mISDNport->b_stid[i]) + { + PERROR("Error: no stack for index %d\n", i); + return(0); + } + if (mISDNport->b_addr[i]) + { + PERROR("Error: stack already created for index %d\n", i); + return(0); + } + + /* create new layer */ + PDEBUG(DEBUG_BCHANNEL, "creating new layer for 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 failed; + } + 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); + goto failed; + } + 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; + chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL create stack", DIRECTION_OUT); + add_trace("channel", NULL, "%d", i+1+(i>=15)); + add_trace("stack", "id", "0x%08x", mISDNport->b_stid[i]); + add_trace("stack", "address", "0x%08x", mISDNport->b_addr[i]); + end_trace(); + + return(1); + +failed: + mISDNport->b_addr[i] = 0; + return(0); #endif - pre->prim = DL_DATA | REQUEST; - pre->addr = mISDNport->b_addr[i] | FLG_MSG_DOWN; - pre->dinfo = 0; - mISDN_write(mISDNdevice, pre, mISDN_HEADER_LEN+pre->len, TIMEOUT_1SEC); - } +} + + +/* + * subfunction for bchannel_event + * activate / deactivate request + */ +static void _bchannel_activate(struct mISDNport *mISDNport, int i, int activate) +{ +#ifdef SOCKET_MISDN + struct mISDNhead act; + int ret; + + act.prim = (activate)?DL_ESTABLISH_REQ:DL_RELEASE_REQ; + act.id = 0; + ret = sendto(mISDNport->b_socket[i], &act, MISDN_HEADER_LEN, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", mISDNport->b_socket[i]); +#else + iframe_t act; + + /* activate bchannel */ + act.prim = (activate?DL_ESTABLISH:DL_RELEASE) | 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); +#endif + + /* trace */ + chan_trace_header(mISDNport, mISDNport->b_port[i], activate?(char*)"BCHANNEL activate":(char*)"BCHANNEL deactivate", DIRECTION_OUT); + add_trace("channel", NULL, "%d", i+1+(i>=15)); + if (mISDNport->b_timer[i]) + add_trace("event", NULL, "timeout recovery"); + end_trace(); +} + + +/* + * subfunction for bchannel_event + * set features + */ +static void _bchannel_configure(struct mISDNport *mISDNport, int i) +{ + struct PmISDN *port; +#ifdef SOCKET_MISDN + int handle; + + handle = mISDNport->b_socket[i]; +#else + unsigned long handle; + + handle = mISDNport->b_addr[i]; +#endif + port = mISDNport->b_port[i]; + if (!port) + { + PERROR("bchannel index i=%d not associated with a port object\n", i); + return; } + + /* set dsp features */ +#ifndef OLD_MISDN + if (port->p_m_txdata) + ph_control(mISDNport, port, handle, (port->p_m_txdata)?CMX_TXDATA_ON:CMX_TXDATA_OFF, 0, "DSP-TXDATA", port->p_m_txdata); + if (port->p_m_delay) + ph_control(mISDNport, port, handle, CMX_DELAY, port->p_m_delay, "DSP-DELAY", port->p_m_delay); +#endif + if (port->p_m_tx_gain) + ph_control(mISDNport, port, handle, VOL_CHANGE_TX, port->p_m_tx_gain, "DSP-TX_GAIN", port->p_m_tx_gain); + if (port->p_m_rx_gain) + ph_control(mISDNport, port, handle, VOL_CHANGE_RX, port->p_m_rx_gain, "DSP-RX_GAIN", port->p_m_rx_gain); +#ifndef OLD_MISDN + if (port->p_m_pipeline[0]) + ph_control_block(mISDNport, port, handle, PIPELINE_CFG, port->p_m_pipeline, strlen(port->p_m_pipeline)+1, "DSP-PIPELINE", 0); +#endif + if (port->p_m_conf) + ph_control(mISDNport, port, handle, CMX_CONF_JOIN, port->p_m_conf, "DSP-CONF", port->p_m_conf); + if (port->p_m_echo) + ph_control(mISDNport, port, handle, CMX_ECHO_ON, 0, "DSP-ECHO", 1); + if (port->p_m_tone) + ph_control(mISDNport, port, handle, TONE_PATT_ON, port->p_m_tone, "DSP-TONE", port->p_m_tone); + if (port->p_m_rxoff) + ph_control(mISDNport, port, handle, CMX_RECEIVE_OFF, 0, "DSP-RXOFF", 1); +// if (port->p_m_txmix) +// ph_control(mISDNport, port, handle, CMX_MIX_ON, 0, "DSP-MIX", 1); + if (port->p_m_dtmf) + ph_control(mISDNport, port, handle, DTMF_TONE_START, 0, "DSP-DTMF", 1); + if (port->p_m_crypt) + ph_control_block(mISDNport, port, handle, BF_ENABLE_KEY, port->p_m_crypt_key, port->p_m_crypt_key_len, "DSP-CRYPT", port->p_m_crypt_key_len); } -static void bchannel_deactivate(struct mISDNport *mISDNport, int i) +/* + * subfunction for bchannel_event + * destroy stack + */ +static void _bchannel_destroy(struct mISDNport *mISDNport, int i) +{ +#ifdef SOCKET_MISDN + chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL remove socket", DIRECTION_OUT); + add_trace("channel", NULL, "%d", i+1+(i>=15)); + add_trace("socket", NULL, "%d", mISDNport->b_socket[i]); + end_trace(); + if (mISDNport->b_socket[i] > -1) + { + close(mISDNport->b_socket[i]); + mISDNport->b_socket[i] = -1; + } +#else + unsigned char buff[1024]; + + chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL remove stack", DIRECTION_OUT); + add_trace("channel", NULL, "%d", i+1+(i>=15)); + add_trace("stack", "id", "0x%08x", mISDNport->b_stid[i]); + add_trace("stack", "address", "0x%08x", mISDNport->b_addr[i]); + end_trace(); + /* remove our stack only if set */ + if (mISDNport->b_addr[i]) + { + PDEBUG(DEBUG_BCHANNEL, "free stack (b_addr=0x%x)\n", mISDNport->b_addr[i]); + mISDN_clear_stack(mISDNdevice, mISDNport->b_stid[i]); + mISDN_write_frame(mISDNdevice, buff, mISDNport->b_addr[i] | FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); + mISDNport->b_addr[i] = 0; + } +#endif +} + + +/* +bchannel procedure +------------------ + +A bchannel goes through the following states in this order: + +- B_STATE_IDLE +No one is using the bchannel. +It is available and not linked to Port class, nor reserved. + +- B_STATE_ACTIVATING +The bchannel stack is created and an activation request is sent. +It MAY be linked to Port class, but already unlinked due to Port class removal. + +- B_STATE_ACTIVE +The bchannel is active and cofigured to the Port class needs. +Also it is linked to a Port class, otherwhise it would be deactivated. + +- B_STATE_DEACTIVATING +The bchannel is in deactivating state, due to deactivation request. +It may be linked to a Port class, that likes to reactivate it. + +- B_STATE_IDLE +See above. +After deactivating bchannel, and if not used, the bchannel becomes idle again. + +Also the bchannel may be exported, but only if the state is or becomes idle: + +- B_STATE_EXPORTING +The bchannel assignment has been sent to the remove application. + +- B_STATE_REMOTE +The bchannel assignment is acknowledged by the remote application. + +- B_STATE_IMPORTING +The bchannel is re-imported by mISDN port object. + +- B_STATE_IDLE +See above. +After re-importing bchannel, and if not used, the bchannel becomes idle again. + + +A bchannel can have the following events: + +- B_EVENT_USE +A bchannel is required by a Port class. +The bchannel shall be exported to the remote application. + +- B_EVENT_ACTIVATED +The bchannel beomes active. + +- B_EVENT_DROP +The bchannel is not required by Port class anymore + +- B_EVENT_DEACTIVATED +The bchannel becomes inactive. + +- B_EVENT_EXPORTED +The bchannel is now used by remote application. + +- B_EVENT_IMPORTED +The bchannel is not used by remote application. + +All actions taken on these events depend on the current bchannel's state and if it is linked to a Port class. + +if an export request is receive by remote application, p_m_remote_* is set. +the b_remote_*[index] indicates if and where the channel is exported to. (set from the point on, where export is initiated, until imported is acknowledged.) +- set on export request from remote application (if port is assigned) +- set on channel use, if requested by remote application (p_m_remote_*) +- cleared on drop request + +the bchannel will be exported with ref and stack given. remote application uses the ref to link bchannel to the call. +the bchannel will be imported with stack given only. remote application must store stack id with the bchannel process. +the bchannel import/export is acknowledged with stack given. + +if exporting, b_remote_*[index] is set to the remote socket id. +if importing has been acknowledged. b_remote_*[index] is cleared. + +*/ + +/* + * process bchannel events + * - mISDNport is a pointer to the port's structure + * - i is the index of the bchannel + * - event is the B_EVENT_* value + * - port is the PmISDN class pointer + */ +void bchannel_event(struct mISDNport *mISDNport, int i, int event) { - iframe_t dact; + class PmISDN *b_port = mISDNport->b_port[i]; + int state = mISDNport->b_state[i]; + double timer = mISDNport->b_timer[i]; + unsigned long p_m_remote_ref = 0; + unsigned long p_m_remote_id = 0; + int p_m_tx_gain = 0; + int p_m_rx_gain = 0; + char *p_m_pipeline = NULL; + unsigned char *p_m_crypt_key = NULL; + int p_m_crypt_key_len = 0; + int p_m_crypt_key_type = 0; +#ifdef SOCKET_MISDN + unsigned long portid = (mISDNport->portnum<<8) + i+1+(i>=15); +#else + unsigned long portid = mISDNport->b_stid[i]; +#endif + + if (b_port) + { + p_m_remote_id = b_port->p_m_remote_id; + p_m_remote_ref = b_port->p_m_remote_ref; + p_m_tx_gain = b_port->p_m_tx_gain; + p_m_rx_gain = b_port->p_m_rx_gain; + p_m_pipeline = b_port->p_m_pipeline; + p_m_crypt_key = b_port->p_m_crypt_key; + p_m_crypt_key_len = b_port->p_m_crypt_key_len; + p_m_crypt_key_type = /*b_port->p_m_crypt_key_type*/1; + } - if (mISDNport->b_state[i] == B_STATE_ACTIVE) + switch(event) { - /* reset dsp features */ - if (mISDNport->b_port[i]) + case B_EVENT_USE: + /* port must be linked in order to allow activation */ + if (!b_port) + FATAL("bchannel must be linked to a Port class\n"); + switch(state) { - 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) + case B_STATE_IDLE: + if (p_m_remote_ref) { - 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) + /* export bchannel */ + message_bchannel_to_join(p_m_remote_id, p_m_remote_ref, BCHANNEL_ASSIGN, portid, p_m_tx_gain, p_m_rx_gain, p_m_pipeline, p_m_crypt_key, p_m_crypt_key_len, p_m_crypt_key_type); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "assign"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_EXPORTING; + mISDNport->b_remote_id[i] = p_m_remote_id; + mISDNport->b_remote_ref[i] = p_m_remote_ref; + } else { - 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); + /* create stack and send activation request */ + if (_bchannel_create(mISDNport, i)) + { + _bchannel_activate(mISDNport, i, 1); + state = B_STATE_ACTIVATING; + timer = now_d + B_TIMER_ACTIVATING; + } } - if (mISDNport->b_port[i]->p_m_echo) + break; + + case B_STATE_ACTIVATING: + case B_STATE_EXPORTING: + /* do nothing, because it is already activating */ + break; + + case B_STATE_DEACTIVATING: + case B_STATE_IMPORTING: + /* do nothing, because we must wait until we can reactivate */ + break; + + default: + /* problems that might ocurr: + * B_EVENT_USE is received when channel already in use. + * bchannel exported, but not freed by other port + */ + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_EXPORTREQUEST: + /* special case where the bchannel is requested by remote */ + if (!p_m_remote_ref) + { + PERROR("export request without remote channel set, please correct.\n"); + break; + } + switch(state) + { + case B_STATE_IDLE: + /* in case, the bchannel is exported right after seize_bchannel */ + /* export bchannel */ + /* p_m_remote_id is set, when this event happens. */ + message_bchannel_to_join(p_m_remote_id, p_m_remote_ref, BCHANNEL_ASSIGN, portid, p_m_tx_gain, p_m_rx_gain, p_m_pipeline, p_m_crypt_key, p_m_crypt_key_len, p_m_crypt_key_type); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "assign"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_EXPORTING; + mISDNport->b_remote_id[i] = p_m_remote_id; + mISDNport->b_remote_ref[i] = p_m_remote_ref; + break; + + case B_STATE_ACTIVATING: + case B_STATE_EXPORTING: + /* do nothing, because it is already activating */ + break; + + case B_STATE_DEACTIVATING: + case B_STATE_IMPORTING: + /* do nothing, because we must wait until we can reactivate */ + break; + + case B_STATE_ACTIVE: + /* bchannel is active, so we deactivate */ + _bchannel_activate(mISDNport, i, 0); + state = B_STATE_DEACTIVATING; + timer = now_d + B_TIMER_DEACTIVATING; + break; + + default: + /* problems that might ocurr: + * ... when channel already in use. + * bchannel exported, but not freed by other port + */ + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_ACTIVATED: + timer = 0; + switch(state) + { + case B_STATE_ACTIVATING: + if (b_port && !p_m_remote_id) { - 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) + /* bchannel is active and used by Port class, so we configure bchannel */ + _bchannel_configure(mISDNport, i); + state = B_STATE_ACTIVE; + } else { - 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); + /* bchannel is active, but exported OR not used anymore (or has wrong stack config), so we deactivate */ + _bchannel_activate(mISDNport, i, 0); + state = B_STATE_DEACTIVATING; + timer = now_d + B_TIMER_DEACTIVATING; } - if (mISDNport->b_port[i]->p_m_rxoff) + break; + + default: + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_EXPORTED: + switch(state) + { + case B_STATE_EXPORTING: + if (b_port && p_m_remote_ref && p_m_remote_ref==mISDNport->b_remote_ref[i]) { - 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 (mISDNport->b_port[i]->p_m_txmix) + /* remote export done */ + state = B_STATE_REMOTE; + } else { - 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); + /* bchannel is now exported, but we need bchannel back + * OR bchannel is not used anymore + * OR bchannel has been exported to an obsolete ref, + * so reimport, to later export to new remote */ + message_bchannel_to_join(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "remove"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_IMPORTING; } - if (mISDNport->b_port[i]->p_m_dtmf) + break; + + default: + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_DROP: + if (!b_port) + FATAL("bchannel must be linked to a Port class\n"); + switch(state) + { + case B_STATE_IDLE: + /* bchannel is idle due to an error, so we do nothing */ + break; + + case B_STATE_ACTIVATING: + case B_STATE_EXPORTING: + /* do nothing because we must wait until bchanenl is active before deactivating */ + break; + + case B_STATE_ACTIVE: + /* bchannel is active, so we deactivate */ + _bchannel_activate(mISDNport, i, 0); + state = B_STATE_DEACTIVATING; + timer = now_d + B_TIMER_DEACTIVATING; + break; + + case B_STATE_REMOTE: + /* bchannel is exported, so we re-import */ + message_bchannel_to_join(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "remove"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_IMPORTING; + break; + + case B_STATE_DEACTIVATING: + case B_STATE_IMPORTING: + /* we may have taken an already deactivating bchannel, but do not require it anymore, so we do nothing */ + break; + + default: + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_DEACTIVATED: + timer = 0; + switch(state) + { + case B_STATE_IDLE: + /* ignore due to deactivation confirm after unloading */ + break; + + case B_STATE_DEACTIVATING: + _bchannel_destroy(mISDNport, i); + state = B_STATE_IDLE; + if (b_port) { - 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); + /* bchannel is now deactivate, but is requied by Port class, so we reactivate / export */ + if (p_m_remote_ref) + { + message_bchannel_to_join(p_m_remote_id, p_m_remote_ref, BCHANNEL_ASSIGN, portid, p_m_tx_gain, p_m_rx_gain, p_m_pipeline, p_m_crypt_key, p_m_crypt_key_len, p_m_crypt_key_type); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "assign"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_EXPORTING; + mISDNport->b_remote_id[i] = p_m_remote_id; + mISDNport->b_remote_ref[i] = p_m_remote_ref; + } else + { + if (_bchannel_create(mISDNport, i)) + { + _bchannel_activate(mISDNport, i, 1); + state = B_STATE_ACTIVATING; + timer = now_d + B_TIMER_ACTIVATING; + } + } } - if (mISDNport->b_port[i]->p_m_crypt) + break; + + default: + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + case B_EVENT_IMPORTED: + switch(state) + { + case B_STATE_IMPORTING: + state = B_STATE_IDLE; + mISDNport->b_remote_id[i] = 0; + mISDNport->b_remote_ref[i] = 0; + if (b_port) { - 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); + /* bchannel is now imported, but is requied by Port class, so we reactivate / export */ + if (p_m_remote_ref) + { + message_bchannel_to_join(p_m_remote_id, p_m_remote_ref, BCHANNEL_ASSIGN, portid, p_m_tx_gain, p_m_rx_gain, p_m_pipeline, p_m_crypt_key, p_m_crypt_key_len, p_m_crypt_key_type); + chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); + add_trace("type", NULL, "assign"); +#ifdef SOCKET_MISDN + add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); +#else + add_trace("socket", "id", "%d", portid); +#endif + end_trace(); + state = B_STATE_EXPORTING; + mISDNport->b_remote_id[i] = p_m_remote_id; + mISDNport->b_remote_ref[i] = p_m_remote_ref; + } else + { + if (_bchannel_create(mISDNport, i)) + { + _bchannel_activate(mISDNport, i, 1); + state = B_STATE_ACTIVATING; + timer = now_d + B_TIMER_ACTIVATING; + } + } } + break; + + default: + /* ignore, because not assigned */ + ; } - /* 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; + break; + + case B_EVENT_TIMEOUT: + timer = 0; + switch(state) + { + case B_STATE_IDLE: + /* ignore due to deactivation confirm after unloading */ + break; + + case B_STATE_ACTIVATING: + _bchannel_activate(mISDNport, i, 1); + timer = now_d + B_TIMER_ACTIVATING; + break; + + case B_STATE_DEACTIVATING: + _bchannel_activate(mISDNport, i, 0); + timer = now_d + B_TIMER_DEACTIVATING; + break; + + default: + PERROR("Illegal event %d at state %d, please correct.\n", event, state); + } + break; + + default: + PERROR("Illegal event %d, please correct.\n", event); } + + mISDNport->b_state[i] = state; + mISDNport->b_timer[i] = timer; } + + /* * 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 + * NOTE: no activation is done here */ -denke ans aktivieren und deaktivieren int PmISDN::seize_bchannel(int channel, int exclusive) { int i; @@ -409,29 +1266,27 @@ int PmISDN::seize_bchannel(int channel, int exclusive) return(-34); /* no free channel */ seize: + PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) seizing bchannel %d (index %d)\n", p_name, channel, i); + /* 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 + if (!p_m_b_reserve) { p_m_b_reserve = 1; - mISDNport->b_reserved++; + p_m_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. + * deactivation is also done */ void PmISDN::drop_bchannel(void) { @@ -441,25 +1296,275 @@ void PmISDN::drop_bchannel(void) p_m_b_reserve = 0; /* if not in use */ + if (p_m_b_index < 0) + return; if (!p_m_b_channel) return; PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) dropping bchannel\n", p_name); + if (p_m_mISDNport->b_state[p_m_b_index] != B_STATE_IDLE) + bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_DROP); 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; } +/* process bchannel export/import message from join */ +void message_bchannel_from_join(class JoinRemote *joinremote, int type, unsigned long handle) +{ + class Endpoint *epoint; + class Port *port; + class PmISDN *isdnport; + struct mISDNport *mISDNport; + int i, ii; + + switch(type) + { + case BCHANNEL_REQUEST: + /* find the port object for the join object ref */ + if (!(epoint = find_epoint_id(joinremote->j_epoint_id))) + { + PDEBUG(DEBUG_BCHANNEL, "join %d has no endpoint (anymore)\n", joinremote->j_serial); + return; + } + if (!epoint->ep_portlist) + { + PDEBUG(DEBUG_BCHANNEL, "join %d has no port (anymore in portlist)\n", joinremote->j_serial); + return; + } + if (epoint->ep_portlist->next) + { + PERROR("join %d has enpoint %d with more than one port. this shall not happen to remote joins.\n", joinremote->j_serial, epoint->ep_serial); + } + if (!(port = find_port_id(epoint->ep_portlist->port_id))) + { + PDEBUG(DEBUG_BCHANNEL, "join %d has no port (anymore as object)\n", joinremote->j_serial); + return; + } + if (!((port->p_type&PORT_CLASS_MASK) != PORT_CLASS_mISDN)) + { + PERROR("join %d has port %d not of mISDN type. This shall not happen.\n", joinremote->j_serial, port->p_serial); + } + isdnport = (class PmISDN *)port; + + /* assign */ + if (isdnport->p_m_remote_id) + { + PERROR("join %d recevied bchannel request from remote, but channel is already assinged.\n", joinremote->j_serial); + break; + } + mISDNport = isdnport->p_m_mISDNport; + i = isdnport->p_m_b_index; + chan_trace_header(mISDNport, isdnport, "MESSAGE_BCHANNEL (from remote application)", DIRECTION_NONE); + add_trace("type", NULL, "export request"); + isdnport->p_m_remote_ref = joinremote->j_serial; + isdnport->p_m_remote_id = joinremote->j_remote_id; + if (mISDNport && i>=0) + { + bchannel_event(mISDNport, i, B_EVENT_EXPORTREQUEST); + } + end_trace(); + break; + + case BCHANNEL_ASSIGN_ACK: + case BCHANNEL_REMOVE_ACK: + /* find mISDNport for stack ID */ + mISDNport = mISDNport_first; + while(mISDNport) + { + i = 0; + ii = mISDNport->b_num; + while(i < ii) + { +#ifdef SOCKET_MISDN + if ((unsigned long)(mISDNport->portnum<<8)+i+1+(i>=15) == handle) +#else + if (mISDNport->b_addr[i] == handle) +#endif + break; + i++; + } + if (i != ii) + break; + mISDNport = mISDNport->next; + } + if (!mISDNport) + { + PERROR("received assign/remove ack for bchannel's handle=%x, but handle does not exist in any mISDNport structure.\n", handle); + break; + } + /* mISDNport may now be set or NULL */ + + /* set */ + chan_trace_header(mISDNport, mISDNport->b_port[i], "MESSAGE_BCHANNEL (from remote application)", DIRECTION_NONE); + add_trace("type", NULL, (type==BCHANNEL_ASSIGN_ACK)?"assign_ack":"remove_ack"); + if (mISDNport && i>=0) + bchannel_event(mISDNport, i, (type==BCHANNEL_ASSIGN_ACK)?B_EVENT_EXPORTED:B_EVENT_IMPORTED); + end_trace(); + break; + default: + PERROR("received wrong bchannel message type %d from remote\n", type); + } +} + + /* * handler + +audio transmission procedure: +----------------------------- + +* priority +three sources of audio transmission: +- crypto-data high priority +- tones high priority (also high) +- remote-data low priority + +* elapsed +a variable that temporarily shows the number of samples elapsed since last transmission process. +p_m_last_tv_* is used to store that last timestamp. this is used to calculate the time elapsed. + +* load +a variable that is increased whenever data is transmitted. +it is decreased while time elapses. it stores the number of samples that +are currently loaded to dsp module. +since clock in dsp module is the same clock for user space process, these +times have no skew. + +* levels +there are two levels: +ISDN_LOAD will give the load that have to be kept in dsp. +ISDN_MAXLOAD will give the maximum load before dropping. + +* procedure for low priority data +see txfromup() for procedure +in short: remote data is ignored during high priority tones + +* procedure for high priority data +whenever load is below ISDN_LOAD, load is filled up to ISDN_LOAD +if no more data is available, load becomes empty again. + +'load' variable: +0 ISDN_LOAD ISDN_MAXLOAD ++--------------------+----------------------+ +| | | ++--------------------+----------------------+ + +on empty load or on load below ISDN_LOAD, the load is inceased to ISDN_LOAD: +0 ISDN_LOAD ISDN_MAXLOAD ++--------------------+----------------------+ +|TTTTTTTTTTTTTTTTTTTT| | ++--------------------+----------------------+ + +on empty load, remote-audio causes the load with the remote audio to be increased to ISDN_LOAD. +0 ISDN_LOAD ISDN_MAXLOAD ++--------------------+----------------------+ +|TTTTTTTTTTTTTTTTTTTTRRRRR | ++--------------------+----------------------+ + */ int PmISDN::handler(void) { struct message *message; + int elapsed = 0; + int ret; + + if ((ret = Port::handler())) + return(ret); + + /* get elapsed */ + if (p_m_last_tv_sec) + { + elapsed = 8000 * (now_tv.tv_sec - p_m_last_tv_sec) + + 8 * (now_tv.tv_usec/1000 - p_m_last_tv_msec); + } else + { + /* set clock of first process ever in this instance */ + p_m_last_tv_sec = now_tv.tv_sec; + p_m_last_tv_msec = now_tv.tv_usec/1000; + } + /* process only if we have a minimum of samples, to make packets not too small */ + if (elapsed >= ISDN_TRANSMIT) + { + /* set clock of last process! */ + p_m_last_tv_sec = now_tv.tv_sec; + p_m_last_tv_msec = now_tv.tv_usec/1000; + + /* update load */ + if (elapsed < p_m_load) + p_m_load -= elapsed; + 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)) + { + int tosend = ISDN_LOAD - p_m_load, length; +#ifdef SOCKET_MISDN + unsigned char buf[MISDN_HEADER_LEN+tosend]; + struct mISDNhead *frm = (struct mISDNhead *)buf; + unsigned char *p = buf+MISDN_HEADER_LEN; +#else + unsigned char buf[mISDN_HEADER_LEN+tosend]; + iframe_t *frm = (iframe_t *)buf; + unsigned char *p = buf+mISDN_HEADER_LEN; +#endif + + /* copy crypto loops */ + while (p_m_crypt_msg_loops && tosend) + { + /* how much do we have to send */ + length = p_m_crypt_msg_len - p_m_crypt_msg_current; + + /* clip tosend */ + if (length > tosend) + length = tosend; + + /* copy message (part) to buffer */ + memcpy(p, p_m_crypt_msg+p_m_crypt_msg_current, length); + + /* new position */ + p_m_crypt_msg_current += length; + if (p_m_crypt_msg_current == p_m_crypt_msg_len) + { + /* next loop */ + p_m_crypt_msg_current = 0; + p_m_crypt_msg_loops--; +// puts("eine loop weniger"); + } + + /* new length */ + tosend -= length; + } + + /* copy tones */ + if (p_tone_name[0] && tosend) + { + tosend -= read_audio(p, tosend); + } + + /* send data */ +#ifdef SOCKET_MISDN + frm->prim = DL_DATA_REQ; + frm->id = 0; + ret = sendto(p_m_mISDNport->b_socket[p_m_b_index], buf, MISDN_HEADER_LEN+ISDN_LOAD-p_m_load-tosend, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_socket[p_m_b_index]); +#else + frm->prim = DL_DATA | REQUEST; + frm->addr = p_m_mISDNport->b_addr[p_m_b_index] | FLG_MSG_DOWN; + frm->dinfo = 0; + frm->len = ISDN_LOAD - p_m_load - tosend; + if (frm->len) + mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); +#endif + p_m_load += ISDN_LOAD - p_m_load - tosend; + } + } // NOTE: deletion is done by the child class @@ -474,8 +1579,8 @@ int PmISDN::handler(void) 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(1); } return(0); /* nothing done */ @@ -485,84 +1590,132 @@ int PmISDN::handler(void) /* * whenever we get audio data from bchannel, we process it here */ +#ifdef SOCKET_MISDN +void PmISDN::bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len) +{ + unsigned long cont = *((unsigned long *)data); +#else void PmISDN::bchannel_receive(iframe_t *frm) { + int len = frm->len; + unsigned long cont = *((unsigned long *)&frm->data.p); + unsigned char *data =(unsigned char *)&frm->data.p; +#endif 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 - +#ifdef SOCKET_MISDN + if (hh->prim == PH_CONTROL_IND) +#else if (frm->prim == (PH_CONTROL | INDICATION)) +#endif { - cont = *((unsigned long *)&frm->data.p); - // PDEBUG(DEBUG_PORT, "PmISDN(%s) received a PH_CONTROL INDICATION 0x%x\n", p_name, cont); + if (len < 4) + { + PERROR("SHORT READ OF PH_CONTROL INDICATION\n"); + return; + } if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL) { + chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN); + add_trace("DTMF", NULL, "%c", cont & DTMF_TONE_MASK); + end_trace(); 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 DTMF digit '%c'\n", p_name, message->param.dtmf); + 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: + chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN); + add_trace("DSP-CRYPT", NULL, "error"); + end_trace(); 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 reject of blowfish.\n", p_name); + PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION reject of blowfish.\n", p_name); message_put(message); break; case BF_ACCEPT: + chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN); + add_trace("DSP-CRYPT", NULL, "ok"); + end_trace(); 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 accept of blowfish.\n", p_name); + PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION accept of blowfish.\n", p_name); message_put(message); break; + + default: + chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN); + add_trace("unknown", NULL, "0x%x", cont); + end_trace(); } return; } +#ifdef SOCKET_MISDN + if (hh->prim == PH_CONTROL_IND) + { + switch(hh->id) +#else + if (frm->prim == (PH_SIGNAL | INDICATION) + || frm->prim == (PH_CONTROL | INDICATION)) + { + switch(frm->dinfo) +#endif + { +#ifndef OLD_MISDN + case CMX_TX_DATA: + if (!p_m_txdata) + { + /* if tx is off, it may happen that fifos send us pending informations, we just ignore them */ + PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) ignoring tx data, because 'txdata' is turned off\n", p_name); + return; + } + /* see below (same condition) */ + if (p_state!=PORT_STATE_CONNECT + && !p_m_mISDNport->tones) + break; +// printf(".");fflush(stdout);return; + if (p_record) + record(data, len, 1); // from up + break; +#endif - /* external incoming calls will not process any audio data unless - * the call is connected OR inbandpattern feature is enabled. - */ - if (p_type==PORT_TYPE_DSS1_TE_IN - && p_state!=PORT_STATE_CONNECT - && !options.inbandpattern) + default: + chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN); +#ifdef SOCKET_MISDN + add_trace("unknown", NULL, "0x%x", hh->id); +#else + add_trace("unknown", NULL, "0x%x", frm->dinfo); +#endif + end_trace(); + } return; - -#if 0 - /* the bearer capability must be audio in order to send and receive - * audio prior or after connect. + } +#ifdef SOCKET_MISDN + if (hh->prim != PH_DATA_IND && hh->prim != DL_DATA_IND) + { + PERROR("Bchannel received unknown primitve: 0x%x\n", hh->prim); +#else + if (frm->prim != (PH_DATA | INDICATION) && frm->prim != (DL_DATA | INDICATION)) + { + PERROR("Bchannel received unknown primitve: 0x%x\n", frm->prim); +#endif + return; + } + /* calls will not process any audio data unless + * the call is connected OR interface features audio during call setup. */ - if (!(p_bearerinfo.capability&CLASS_CAPABILITY_AUDIO) && p_state!=PORT_STATE_CONNECT) +//printf("%d -> %d prim=%x joindata=%d tones=%d\n", p_serial, ACTIVE_EPOINT(p_epointlist), frm->prim, p_m_joindata, p_m_mISDNport->earlyb); +#ifndef DEBUG_COREBRIDGE + if (p_state!=PORT_STATE_CONNECT + && !p_m_mISDNport->tones) return; #endif @@ -573,62 +1726,34 @@ void PmISDN::bchannel_receive(iframe_t *frm) return; } + /* record data */ + if (p_record) + record(data, 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; + p = data; + l = len; while(l--) mISDN_rand[mISDN_rand_count & 0xff] += *p++; - cryptman_listen_bch((unsigned char *)&frm->data.p, frm->len); - } - - /* prevent jitter */ - gettimeofday(&tv, &tz); - jitter_now = tv.tv_sec; - jitter_now = jitter_now*8000 + tv.tv_usec/125; - if (p_m_jittercheck == 0) - { - p_m_jittercheck = jitter_now; - p_m_jitterdropped = 0; - } else - p_m_jittercheck += frm->len; - if (p_m_jittercheck < jitter_now) - { -// PERROR("jitter: ignoring slow data\n"); - p_m_jittercheck = jitter_now; - } else - if (p_m_jittercheck-ISDN_JITTERLIMIT > jitter_now) - { - p_m_jitterdropped += frm->len; - p_m_jittercheck -= frm->len; - /* must exit here */ - return; - } else - if (p_m_jitterdropped) - { - PERROR("jitter: dropping, caused by fast data: %lld\n", p_m_jitterdropped); - p_m_jitterdropped = 0; + cryptman_listen_bch(data, len); } - p = (unsigned char *)&frm->data.p; + p = data; /* send data to epoint */ - if (ACTIVE_EPOINT(p_epointlist)) /* only if we have an epoint object */ + if (p_m_joindata && 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; + length_temp = 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; @@ -636,72 +1761,6 @@ void PmISDN::bchannel_receive(iframe_t *frm) length_temp -= sizeof(message->param.data.data); } } - /* return the same number of tone data, as we recieved */ - newlen = read_audio(p, frm->len, 1); - /* send tone data to isdn device only if we have data, otherwhise we send nothing */ - if (newlen>0 && (p_tone_fh>=0 || p_tone_fetched || !p_m_nodata || p_m_crypt_msg_loops)) - { -//printf("jolly: sending.... %d %d %d %d %d\n", newlen, p_tone_fh, p_tone_fetched, p_m_nodata, p_m_crypt_msg_loops); - if (p_m_txmix_on) - { - p_m_txmix_on -= newlen; - if (p_m_txmix_on <= 0) - { - p_m_txmix_on = 0; - p_m_txmix = !p_m_nodata; - PDEBUG(DEBUG_BCHANNEL, "after sending message, we set txmix to txmix=%d.\n", p_m_txmix); - if (p_m_txmix) - ph_control(p_m_b_addr, CMX_MIX_ON, 0); - } - } - 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--; -// we need to disable rxmix some time after sending the loops... - if (!p_m_crypt_msg_loops && p_m_txmix) - { - p_m_txmix_on = 8000; /* one sec */ - } - } - } - frm->prim = frm->prim & 0xfffffffc | REQUEST; - frm->addr = p_m_b_addr | FLG_MSG_DOWN; - frm->len = newlen; - 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); - } - } -#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 } @@ -716,7 +1775,11 @@ void PmISDN::set_echotest(int 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); +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_echo?CMX_ECHO_ON:CMX_ECHO_OFF, 0, "DSP-ECHO", p_m_echo); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], p_m_echo?CMX_ECHO_ON:CMX_ECHO_OFF, 0, "DSP-ECHO", p_m_echo); +#endif } } @@ -741,10 +1804,15 @@ void PmISDN::set_tone(char *dir, char *tone) { nodsp: if (p_m_tone) + if (p_m_b_index > -1) 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); +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], TONE_PATT_OFF, 0, "DSP-TONE", 0); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], TONE_PATT_OFF, 0, "DSP-TONE", 0); +#endif } p_m_tone = 0; Port::set_tone(dir, tone); @@ -824,9 +1892,13 @@ void PmISDN::set_tone(char *dir, char *tone) /* 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); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_tone?TONE_PATT_ON:TONE_PATT_OFF, p_m_tone, "DSP-TONE", p_m_tone); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], p_m_tone?TONE_PATT_ON:TONE_PATT_OFF, p_m_tone, "DSP-TONE", p_m_tone); +#endif } /* turn user-space tones off in cases of no tone OR dsp tone */ Port::set_tone("",NULL); @@ -840,22 +1912,32 @@ void PmISDN::message_mISDNsignal(unsigned long epoint_id, int message_id, union switch(param->mISDNsignal.message) { case mISDNSIGNAL_VOLUME: - if (p_m_txvol != param->mISDNsignal.txvol) + if (p_m_tx_gain != param->mISDNsignal.tx_gain) { - 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_tx_gain = param->mISDNsignal.tx_gain; + PDEBUG(DEBUG_BCHANNEL, "we change tx-volume to shift=%d.\n", p_m_tx_gain); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], VOL_CHANGE_TX, p_m_tx_gain, "DSP-TX_GAIN", p_m_tx_gain); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], VOL_CHANGE_TX, p_m_tx_gain, "DSP-TX_GAIN", p_m_tx_gain); +#endif + } else + PDEBUG(DEBUG_BCHANNEL, "we already have tx-volume shift=%d.\n", p_m_rx_gain); + if (p_m_rx_gain != param->mISDNsignal.rx_gain) { - 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); - } + p_m_rx_gain = param->mISDNsignal.rx_gain; + PDEBUG(DEBUG_BCHANNEL, "we change rx-volume to shift=%d.\n", p_m_rx_gain); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], VOL_CHANGE_RX, p_m_rx_gain, "DSP-RX_GAIN", p_m_rx_gain); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], VOL_CHANGE_RX, p_m_rx_gain, "DSP-RX_GAIN", p_m_rx_gain); +#endif + } else + PDEBUG(DEBUG_BCHANNEL, "we already have rx-volume shift=%d.\n", p_m_rx_gain); break; case mISDNSIGNAL_CONF: @@ -865,51 +1947,47 @@ void PmISDN::message_mISDNsignal(unsigned long epoint_id, int message_id, union { 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); - } + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], (p_m_conf)?CMX_CONF_JOIN:CMX_CONF_SPLIT, p_m_conf, "DSP-CONF", p_m_conf); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], (p_m_conf)?CMX_CONF_JOIN:CMX_CONF_SPLIT, p_m_conf, "DSP-CONF", p_m_conf); +#endif + } else + PDEBUG(DEBUG_BCHANNEL, "we already have conf=%d.\n", 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_NODATA: - p_m_nodata = param->mISDNsignal.nodata; - if (p_m_txmix == p_m_nodata) /* txmix != !nodata */ + case mISDNSIGNAL_JOINDATA: + if (p_m_joindata != param->mISDNsignal.joindata) { - 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; - -#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); - } + p_m_joindata = param->mISDNsignal.joindata; + PDEBUG(DEBUG_BCHANNEL, "we change to joindata=%d.\n", p_m_joindata); + } else + PDEBUG(DEBUG_BCHANNEL, "we already have joindata=%d.\n", p_m_joindata); break; - - case mISDNSIGNAL_DTMF: - if (p_m_dtmf != param->mISDNsignal.dtmf) + + case mISDNSIGNAL_DELAY: + if (p_m_delay != param->mISDNsignal.delay) { - 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); - } + p_m_delay = param->mISDNsignal.delay; + PDEBUG(DEBUG_BCHANNEL, "we change delay mode to delay=%d.\n", p_m_delay); +#ifndef OLD_MISDN + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_delay?CMX_DELAY:CMX_JITTER, p_m_delay, "DSP-DELAY", p_m_delay); +#else + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], p_m_delay?CMX_DELAY:CMX_JITTER, p_m_delay, "DSP-DELAY", p_m_delay); +#endif +#endif + } else + PDEBUG(DEBUG_BCHANNEL, "we already have delay=%d.\n", p_m_delay); break; -#endif default: PERROR("PmISDN(%s) unsupported signal message %d.\n", p_name, param->mISDNsignal.message); } @@ -936,9 +2014,13 @@ void PmISDN::message_crypt(unsigned long epoint_id, int message_id, union parame 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); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) +#ifdef SOCKET_MISDN + ph_control_block(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_crypt?BF_ENABLE_KEY:BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len, "DSP-CRYPT", p_m_crypt_key_len); +#else + ph_control_block(p_m_mISDNport, this, p_m_mISDNport->b_addr[p_m_b_index], p_m_crypt?BF_ENABLE_KEY:BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len, "DSP-CRYPT", p_m_crypt_key_len); +#endif break; case CC_DACT_REQ: /* deactivate session encryption */ @@ -963,74 +2045,254 @@ void PmISDN::message_crypt(unsigned long epoint_id, int message_id, union parame break; } p_m_crypt_msg_current = 0; /* reset */ - p_m_crypt_msg_loops = 3; /* enable */ + p_m_crypt_msg_loops = 6; /* enable */ +#if 0 /* disable txmix, or we get corrupt data due to audio process */ - if (p_m_txmix) + if (p_m_txmix && p_m_b_index>=0) { 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); +#ifdef SOCKET_MISDN + ph_control(p_m_mISDNport, this, p_mISDNport->b_socket[p_m_b_index], CMX_MIX_OFF, 0, "DSP-TXMIX", 0); +#else + ph_control(p_m_mISDNport, this, p_mISDNport->b_addr[p_m_b_index], CMX_MIX_OFF, 0, "DSP-TXMIX", 0); +#endif + } +#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_DATA: /* tx-data from upper layer */ + txfromup(param->data.data, param->data.len); + return(1); + + 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); +} + + +/* + * main loop for processing messages from mISDN + */ +#ifdef SOCKET_MISDN +int mISDN_handler(void) +{ + int ret, work = 0; + struct mISDNport *mISDNport; + class PmISDN *isdnport; + int i; + unsigned char buffer[2048+MISDN_HEADER_LEN]; + struct mISDNhead *hh = (struct mISDNhead *)buffer; + + /* process all ports */ + mISDNport = mISDNport_first; + while(mISDNport) + { + /* process all bchannels */ + i = 0; + while(i < mISDNport->b_num) + { + /* process timer events for bchannel handling */ + if (mISDNport->b_timer[i]) + { + if (mISDNport->b_timer[i] <= now_d) + bchannel_event(mISDNport, i, B_EVENT_TIMEOUT); + } + /* handle port of bchannel */ + 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) + { + /* 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(mISDNport, isdnport, mISDNport->b_socket[isdnport->p_m_b_index], CMX_RECEIVE_ON, 0, "DSP-RXOFF", 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(mISDNport, isdnport, mISDNport->b_socket[isdnport->p_m_b_index], CMX_RECEIVE_OFF, 0, "DSP-RXOFF", 1); + return(1); + } + } + /* recording */ + 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(mISDNport, isdnport, mISDNport->b_socket[isdnport->p_m_b_index], CMX_TXDATA_ON, 0, "DSP-TXDATA", 1); + 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(mISDNport, isdnport, mISDNport->b_socket[isdnport->p_m_b_index], CMX_TXDATA_OFF, 0, "DSP-TXDATA", 0); + return(1); + } + } + } + + /* handle message from bchannel */ + if (mISDNport->b_socket[i] > -1) + { + ret = recv(mISDNport->b_socket[i], buffer, sizeof(buffer), 0); + if (ret >= (int)MISDN_HEADER_LEN) + { + work = 1; + switch(hh->prim) + { + /* we don't care about confirms, we use rx data to sync tx */ + case PH_DATA_CNF: + break; + + /* we receive audio data, we respond to it AND we send tones */ + case PH_DATA_IND: + case DL_DATA_IND: + case PH_CONTROL_IND: + if (mISDNport->b_port[i]) + mISDNport->b_port[i]->bchannel_receive(hh, buffer+MISDN_HEADER_LEN, ret-MISDN_HEADER_LEN); + else + PDEBUG(DEBUG_BCHANNEL, "b-channel is not associated to an ISDNPort (socket %d), ignoring.\n", mISDNport->b_socket[i]); + break; + + case PH_ACTIVATE_IND: + case DL_ESTABLISH_IND: + case PH_ACTIVATE_CNF: + case DL_ESTABLISH_CNF: + PDEBUG(DEBUG_BCHANNEL, "DL_ESTABLISH confirm: bchannel is now activated (socket %d).\n", mISDNport->b_socket[i]); + bchannel_event(mISDNport, i, B_EVENT_ACTIVATED); + break; + + case PH_DEACTIVATE_IND: + case DL_RELEASE_IND: + case PH_DEACTIVATE_CNF: + case DL_RELEASE_CNF: + PDEBUG(DEBUG_BCHANNEL, "DL_RELEASE confirm: bchannel is now de-activated (socket %d).\n", mISDNport->b_socket[i]); + bchannel_event(mISDNport, i, B_EVENT_DEACTIVATED); + break; + + default: + PERROR("child message not handled: prim(0x%x) socket(%d) msg->len(%d)\n", hh->prim, mISDNport->b_socket[i], ret-MISDN_HEADER_LEN); + } + } else + { + if (ret < 0 && errno != EWOULDBLOCK) + PERROR("Read from port %d, index %d failed with return code %d\n", mISDNport->portnum, i, ret); + } + } + + i++; } - break; - - default: - PERROR("PmISDN(%s) unknown crypt message %d\n", p_name, param->crypt.type); - } +#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 -} + /* layer 2 establish timer */ + if (mISDNport->l2establish) + { + if (now-mISDNport->l2establish > 5) + { -/* - * 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); + PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link portnum=%d.\n", mISDNport->portnum); +#warning SOCKET TBD +// mISDNport->ml3->to_layer2(mISDNport->ml3, DL_ESTABLISH_REQ); +// l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); +// end_trace(); + 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); + mISDNport = mISDNport->next; } - return(0); + /* if we received at least one b-frame, we will return 1 */ + return(work); } - - -/* - * main loop for processing messages from mISDN device - */ +#else int mISDN_handler(void) { int ret; - msg_t *msg; - iframe_t *frm; struct mISDNport *mISDNport; class PmISDN *isdnport; - net_stack_t *nst; + int i; + msg_t *msg; + iframe_t *frm; msg_t *dmsg; mISDNuser_head_t *hh; - int i; + net_stack_t *nst; /* the que avoids loopbacks when replying to stack after receiving * from stack. */ mISDNport = mISDNport_first; while(mISDNport) { - /* process turning off rx */ + /* process turning on/off rx */ i = 0; while(i < mISDNport->b_num) { - if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) + /* process timer events for bchannel handling */ + if (mISDNport->b_timer[i]) + { + if (mISDNport->b_timer[i] <= now_d) + bchannel_event(mISDNport, i, B_EVENT_TIMEOUT); + } + isdnport=mISDNport->b_port[i]; + if (isdnport) { - isdnport=mISDNport->b_port[i]; - if (isdnport->p_tone_name[0] || isdnport->p_tone_fh>=0 || isdnport->p_tone_fetched || !isdnport->p_m_nodata || isdnport->p_m_crypt_msg_loops || isdnport->p_m_crypt_listen || isdnport->p_record) + /* 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) { /* rx IS required */ if (isdnport->p_m_rxoff) @@ -1038,7 +2300,9 @@ int mISDN_handler(void) /* turn on RX */ isdnport->p_m_rxoff = 0; PDEBUG(DEBUG_BCHANNEL, "%s: receive data is required, so we turn them on\n"); - ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_ON, 0); + if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) + ph_control(mISDNport, isdnport, mISDNport->b_addr[isdnport->p_m_b_index], CMX_RECEIVE_ON, 0, "DSP-RXOFF", 0); + return(1); } } else { @@ -1048,16 +2312,47 @@ int mISDN_handler(void) /* turn off RX */ isdnport->p_m_rxoff = 1; PDEBUG(DEBUG_BCHANNEL, "%s: receive data is not required, so we turn them off\n"); - ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_OFF, 0); + if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) + ph_control(mISDNport, isdnport, mISDNport->b_addr[isdnport->p_m_b_index], CMX_RECEIVE_OFF, 0, "DSP-RXOFF", 1); + return(1); + } + } + /* recording */ + 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"); +#ifndef OLD_MISDN + if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) + ph_control(mISDNport, isdnport, mISDNport->b_addr[isdnport->p_m_b_index], CMX_TXDATA_ON, 0, "DSP-TXDATA", 1); +#endif + 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"); +#ifndef OLD_MISDN + if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) + ph_control(mISDNport, isdnport, mISDNport->b_addr[isdnport->p_m_b_index], CMX_TXDATA_OFF, 0, "DSP-TXDATA", 0); +#endif + return(1); } } - isdnport->p_m_jittercheck = 0; /* reset jitter detection check */ } 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 @@ -1075,16 +2370,20 @@ int mISDN_handler(void) if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg)) free_msg(dmsg); } else { + iframe_t act; + 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); } + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); + end_trace(); + return(1); } } if ((dmsg = msg_dequeue(&mISDNport->downqueue))) @@ -1109,6 +2408,10 @@ int mISDN_handler(void) mISDNport = mISDNport->next; } + /* no device, no read */ + if (mISDNdevice < 0) + return(0); + /* get message from kernel */ if (!(msg = alloc_msg(MAX_MSG_SIZE))) return(1); @@ -1118,8 +2421,7 @@ int mISDN_handler(void) free_msg(msg); if (errno == EAGAIN) return(0); - PERROR("FATAL ERROR: failed to do mISDN_read()\n"); - exit(-1); + FATAL("Failed to do mISDN_read()\n"); } if (!ret) { @@ -1133,321 +2435,535 @@ int mISDN_handler(void) /* global prim */ switch(frm->prim) { + case MGR_DELLAYER | CONFIRM: 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) + /* handle timer events from mISDN for NT-stack + * note: they do not associate with a stack */ + if (frm->prim == (MGR_TIMER | INDICATION)) { - if ((frm->prim==(MGR_TIMER | INDICATION)) && mISDNport->ntmode) - { - itimer_t *it = mISDNport->nst.tlist; + itimer_t *it; - /* find timer */ - while(it) + /* find mISDNport */ + mISDNport = mISDNport_first; + while(mISDNport) + { + /* nt mode only */ + if (mISDNport->ntmode) { - if (it->id == (int)frm->addr) + it = mISDNport->nst.tlist; + /* find timer */ + while(it) + { + if (it->id == (int)frm->addr) + break; + it = it->next; + } + if (it) 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); + mISDNport = mISDNport->next; + } + if (mISDNport) + { + 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 */ + PDEBUG(DEBUG_ISDN, "timer-indication port %d it=%p\n", mISDNport->portnum, it); + test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags); + ret = it->function(it->data); + } else + { + PDEBUG(DEBUG_ISDN, "timer-indication not handled\n"); } -//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)) + goto out; + } + + /* find the mISDNport that belongs to the stack */ + mISDNport = mISDNport_first; + while(mISDNport) + { + if ((frm->addr&MASTER_ID_MASK) == (unsigned int)(mISDNport->upper_id&MASTER_ID_MASK)) + break; + mISDNport = mISDNport->next; + } + if (!mISDNport) + { + PERROR("message belongs to no mISDNport: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len); + // show a list of all mISDNports and their address +#if 0 + mISDNport = mISDNport_first; + while(mISDNport) { - /* 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; + PERROR(" port %s %x -> %x\n", mISDNport->name, (frm->addr&MASTER_ID_MASK), (unsigned int)(mISDNport->upper_id&MASTER_ID_MASK)); + mISDNport = mISDNport->next; + } +#endif + goto out; + } - 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: + /* master stack */ + if (!(frm->addr&FLG_CHILD_STACK)) + { + /* d-message */ + switch(frm->prim) + { + case MGR_SHORTSTATUS | INDICATION: + case MGR_SHORTSTATUS | CONFIRM: + switch(frm->dinfo) { + case SSTATUS_L1_ACTIVATED: + l1l2l3_trace_header(mISDNport, NULL, L1_ACTIVATE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + goto ss_act; + case SSTATUS_L1_DEACTIVATED: + l1l2l3_trace_header(mISDNport, NULL, L1_DEACTIVATE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + goto ss_deact; + case SSTATUS_L2_ESTABLISHED: + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + goto ss_estab; + case SSTATUS_L2_RELEASED: + l1l2l3_trace_header(mISDNport, NULL, L2_RELEASE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + goto ss_rel; + } + break; + + case PH_ACTIVATE | CONFIRM: + case PH_ACTIVATE | INDICATION: + l1l2l3_trace_header(mISDNport, NULL, L1_ACTIVATE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + if (mISDNport->ntmode) + { mISDNport->l1link = 1; setup_queue(mISDNport, 1); - break; + 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: + case PH_DEACTIVATE | CONFIRM: + case PH_DEACTIVATE | INDICATION: + l1l2l3_trace_header(mISDNport, NULL, L1_DEACTIVATE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + if (mISDNport->ntmode) + { 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; + goto l1_msg; + } + ss_deact: + mISDNport->l1link = 0; + setup_queue(mISDNport, 0); + 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 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_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; + case DL_ESTABLISH | INDICATION: + case DL_ESTABLISH | CONFIRM: + l1l2l3_trace_header(mISDNport, NULL, DL_ESTABLISH_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */ + ss_estab: + if (mISDNport->l2establish) + { + mISDNport->l2establish = 0; + PDEBUG(DEBUG_ISDN, "the link became active before l2establish timer expiry.\n"); + } + mISDNport->l2link = 1; + 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); - } + case DL_RELEASE | INDICATION: + case DL_RELEASE | CONFIRM: + l1l2l3_trace_header(mISDNport, NULL, DL_RELEASE_REQ | (frm->prim & 0x3), DIRECTION_IN); + end_trace(); + if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */ + ss_rel: + 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); + } } -//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))) + } else + /* child stack */ + { + /* b-message */ + switch(frm->prim) { - /* 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 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); + /* we receive audio data, we respond to it AND we send tones */ + case PH_DATA | INDICATION: + case DL_DATA | INDICATION: + case PH_CONTROL | INDICATION: + case PH_SIGNAL | INDICATION: + i = 0; + while(i < mISDNport->b_num) + { + if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK)) 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); + i++; + } + if (i == mISDNport->b_num) + { + PERROR("unhandled b-message (prim 0x%x address 0x%x).\n", frm->prim, 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); + 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; - } - mISDNport->b_state[i] = B_STATE_ACTIVE; - if (!mISDNport->b_port[i]) - bchannel_deactivate(mISDNport, i); - else - bchannel_activate(mISDNport, i); + i++; + } + if (i == mISDNport->b_num) + { + PERROR("unhandled b-establish (prim 0x%x address 0x%x).\n", frm->prim, frm->addr); break; + } + bchannel_event(mISDNport, i, B_EVENT_ACTIVATED); + 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); + 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; - } - mISDNport->b_state[i] = B_STATE_IDLE; - if (mISDNport->b_port[i]) - bchannel_activate(mISDNport, i); - else - bchannel_deactivate(mISDNport, i); + i++; + } + if (i == mISDNport->b_num) + { + PERROR("unhandled b-release (prim 0x%x address 0x%x).\n", frm->prim, frm->addr); break; } + bchannel_event(mISDNport, i, B_EVENT_DEACTIVATED); 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); + default: + PERROR("child message not handled: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len); + } } + out: free_msg(msg); return(1); } +#endif + +#ifdef SOCKET_MISDN +int do_layer3(struct mlayer3 *ml3, unsigned int cmd, unsigned int pid, struct l3_msg *l3m) +{ + /* IMPORTAINT: + * + * l3m must be freed, except for MT_ASSIGN + * + */ + struct mISDNport *mISDNport = (struct mISDNport *)ml3->priv; + + /* special MT_ASSIGN handling: + * + * if we request a PID from mlayer, we always do it while lcr is locked. + * therefore we must check the MT_ASSIGN reply first before we lock. + * this is because the MT_ASSIGN reply is received with the requesting + * process, not by the mlayer thread! + * this means, that the reply is sent during call of the request. + * we must check if we get a reply and we know that we lcr is currently + * locked. + */ + if (cmd == MT_ASSIGN) + { + /* let's do some checking if someone changes stack behaviour */ + if (mt_assign_pid != 0) + FATAL("someone played with the mISDNuser stack. MT_ASSIGN not currently expected.\n"); + if ((pid >> 16) != MISDN_CES_MASTER) + FATAL("someone played with the mISDNuser stack. MT_ASSIGN is expected with master CES.\n"); + mt_assign_pid = pid; + return(0); + } + + /* lock LCR */ + pthread_mutex_lock(&mutex_lcr); + + /* d-message */ + switch(cmd) + { +#warning SOCKET TBD +#if 0 + case MGR_SHORTSTATUS_IND: + case MGR_SHORTSTATUS_CNF: + switch(frm->dinfo) { + case SSTATUS_L1_ACTIVATED: + l1l2l3_trace_header(mISDNport, NULL, L1_ACTIVATE_IND, DIRECTION_IN); + end_trace(); + goto ss_act; + case SSTATUS_L1_DEACTIVATED: + l1l2l3_trace_header(mISDNport, NULL, L1_DEACTIVATE_IND, DIRECTION_IN); + end_trace(); + goto ss_deact; + case SSTATUS_L2_ESTABLISHED: + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_IND, DIRECTION_IN); + end_trace(); + goto ss_estab; + case SSTATUS_L2_RELEASED: + l1l2l3_trace_header(mISDNport, NULL, L2_RELEASE_IND, DIRECTION_IN); + end_trace(); + goto ss_rel; + } + break; +#endif + +#warning SOCKET TBD +#if 0 + case MT_L1ACTIVATE: + l1l2l3_trace_header(mISDNport, NULL, L1_ACTIVATE_IND, DIRECTION_IN); + end_trace(); +// ss_act: + mISDNport->l1link = 1; + break; + + case MT_L1DEACTIVATE: + l1l2l3_trace_header(mISDNport, NULL, L1_DEACTIVATE_IND, DIRECTION_IN); + end_trace(); +// ss_deact: + mISDNport->l1link = 0; + break; + + case MT_L1CONTROL: + PDEBUG(DEBUG_ISDN, "Received PH_CONTROL for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name); + // special config commands for interface (ip-address/LOS/AIS/RDI/SLIP) + break; +#endif + + case MT_L2ESTABLISH: + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_IND, DIRECTION_IN); + end_trace(); +// ss_estab: + if (mISDNport->l2establish) + { + mISDNport->l2establish = 0; + PDEBUG(DEBUG_ISDN, "the link became active before l2establish timer expiry.\n"); + } + mISDNport->l2link = 1; + break; + + case MT_L2RELEASE: + l1l2l3_trace_header(mISDNport, NULL, L2_RELEASE_IND, DIRECTION_IN); + end_trace(); +// ss_rel: + mISDNport->l2link = 0; + if (mISDNport->ptp) + { + time(&mISDNport->l2establish); + PDEBUG(DEBUG_ISDN, "because we are ptp, we set a l2establish timer.\n"); + } + break; + + default: + /* l3-data is sent to LCR */ + stack2manager(mISDNport, cmd, pid, l3m); + } + + /* free message */ + if (l3m) + free_l3_msg(l3m); + + /* unlock LCR */ + pthread_mutex_unlock(&mutex_lcr); + + return(0); + +} +#endif /* * global function to add a new card (port) */ -struct mISDNport *mISDN_port_open(int port, int ptp) +struct mISDNport *mISDNport_open(int port, int ptp, int ptmp, int force_nt, struct interface *interface) { 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; + int pri, bri, pots; + int nt, te; +#ifdef SOCKET_MISDN +// struct mlayer3 *ml3; + struct mISDN_devinfo devinfo; + unsigned int protocol, prop; + + ret = ioctl(mISDNsocket, IMGETCOUNT, &cnt); + if (ret < 0) + { + fprintf(stderr, "Cannot get number of mISDN devices. (ioctl IMGETCOUNT failed ret=%d)\n", ret); + return(NULL); + } +#else + unsigned char buff[1025]; + iframe_t *frm = (iframe_t *)buff; // 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); - } + layer_info_t li; + stack_info_t *stinf; /* query port's requirements */ cnt = mISDN_get_stack_count(mISDNdevice); +#endif + if (cnt <= 0) { - PERROR("Found no card. Please be sure to load card drivers.\n"); + PERROR_RUNTIME("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); + PERROR_RUNTIME("Port (%d) given at 'ports' (options.conf) is out of existing port range (%d-%d)\n", port, 1, cnt); + return(NULL); + } + + pri = bri = pots = nt = te = 0; +#ifdef SOCKET_MISDN + devinfo.id = port - 1; + ret = ioctl(mISDNsocket, IMGETDEVINFO, &devinfo); + if (ret <= 0) + { + PERROR_RUNTIME("Cannot get device information for port %d. (ioctl IMGETDEVINFO failed ret=%d)\n", i, ret); + return(NULL); + } + /* output the port info */ + if (devinfo.Dprotocols & (1 << ISDN_P_TE_S0)) + { + bri = 1; + te = 1; + } + if (devinfo.Dprotocols & (1 << ISDN_P_NT_S0)) + { + bri = 1; + nt = 1; + } +#ifdef ISDN_P_TE_E1 + if (devinfo.Dprotocols & (1 << ISDN_P_TE_E1)) + { + pri = 1; + te = 1; + } +#endif +#ifdef ISDN_P_NT_E1 + if (devinfo.Dprotocols & (1 << ISDN_P_NT_E1)) + { + pri = 1; + nt = 1; + } +#endif +#ifdef ISDN_P_FXS + if (devinfo.Dprotocols & (1 << ISDN_P_FXS)) + { + pots = 1; + te = 1; + } +#endif +#ifdef ISDN_P_FXO + if (devinfo.Dprotocols & (1 << ISDN_P_FXO)) + { + pots = 1; + nt = 1; + } +#endif + if (force_nt && !nt) + { + PERROR_RUNTIME("Port %d does not support NT-mode.\n", port); + return(NULL); + } + if (bri && pri) + { + PERROR_RUNTIME("Port %d supports BRI and PRI?? What kind of controller is that?. (Can't use this!)\n", port); + return(NULL); + } + if (pots && !bri && !pri) + { + PERROR_RUNTIME("Port %d supports POTS, LCR does not!\n", port); + return(NULL); + } + if (!bri && !pri) + { + PERROR_RUNTIME("Port %d does not support BRI nor PRI!\n", port); + return(NULL); + } + if (!nt && !te) + { + PERROR_RUNTIME("Port %d does not support NT-mode nor TE-mode!\n", port); return(NULL); } + /* force nt, by turning off TE */ + if (force_nt && nt) + te = 0; + /* if TE an NT is supported (and not forced to NT), turn off NT */ + if (te && nt) + nt = 0; +#else 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); + PERROR_RUNTIME("Cannot get stack info for port %d (ret=%d)\n", port, ret); return(NULL); } stinf = (stack_info_t *)&frm->data.p; @@ -1460,20 +2976,6 @@ struct mISDNport *mISDN_port_open(int port, int ptp) PDEBUG(DEBUG_ISDN, "NT-mode BRI S/T interface port\n"); nt = 1; break; - case ISDN_PID_L0_TE_U: - PDEBUG(DEBUG_ISDN, "TE-mode BRI U interface line\n"); - break; - case ISDN_PID_L0_NT_U: - PDEBUG(DEBUG_ISDN, "NT-mode BRI U interface port\n"); - nt = 1; - break; - case ISDN_PID_L0_TE_UP2: - PDEBUG(DEBUG_ISDN, "TE-mode BRI Up2 interface line\n"); - break; - case ISDN_PID_L0_NT_UP2: - PDEBUG(DEBUG_ISDN, "NT-mode BRI Up2 interface port\n"); - nt = 1; - break; case ISDN_PID_L0_TE_E1: PDEBUG(DEBUG_ISDN, "TE-mode PRI E1 interface line\n"); pri = 1; @@ -1484,7 +2986,7 @@ struct mISDNport *mISDN_port_open(int port, int ptp) nt = 1; break; default: - PERROR("unknown port(%d) type 0x%08x\n", port, stinf->pid.protocol[0]); + PERROR_RUNTIME("unknown port(%d) type 0x%08x\n", port, stinf->pid.protocol[0]); return(NULL); } if (nt) @@ -1492,30 +2994,31 @@ struct mISDNport *mISDN_port_open(int port, int ptp) /* NT */ if (stinf->pid.protocol[1] == 0) { - PERROR("Given port %d: Missing layer 1 NT-mode protocol.\n", port); + PERROR_RUNTIME("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]); + PERROR_RUNTIME("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 + } + if (te) { /* TE */ if (stinf->pid.protocol[1] == 0) { - PERROR("Given port %d: Missing layer 1 protocol.\n", port); + PERROR_RUNTIME("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); + PERROR_RUNTIME("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); + PERROR_RUNTIME("Given port %d: Missing layer 3 protocol.\n", port); return(NULL); } else { @@ -1525,53 +3028,81 @@ struct mISDNport *mISDN_port_open(int port, int ptp) break; default: - PERROR("Given port %d: own protocol 0x%08x", port,stinf->pid.protocol[3]); + PERROR_RUNTIME("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); + PERROR_RUNTIME("Given port %d: Layer 4 protocol not allowed.\n", port); return(NULL); } } +#endif /* 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); - } + mISDNportp = &((*mISDNportp)->next); + mISDNport = (struct mISDNport *)MALLOC(sizeof(struct mISDNport)); pmemuse++; - memset(mISDNport, 0, sizeof(mISDNport)); *mISDNportp = mISDNport; /* allocate ressources of port */ +#ifdef SOCKET_MISDN + /* open layer 3 */ + protocol = (nt)?L3_PROTOCOL_DSS1_USER:L3_PROTOCOL_DSS1_NET; + prop = 0; + if (ptp) // ptp forced + prop |= MISDN_FLG_PTP; +#warning SOCKET TBD +#if 0 + if (ptmp && pri) // ptmp forced + prop |= FLG_FORCE_PTMP; +#endif + if (nt) // supports hold/retrieve on nt-mode + prop |= MISDN_FLG_NET_HOLD; + mISDNport->ml3 = open_layer3(port-1, protocol, prop , do_layer3, mISDNport); + if (!mISDNport->ml3) + { + PERROR_RUNTIME("Cannot get layer(%d) id of port %d\n", nt?2:4, port); + return(NULL); + } + +#if 0 + /* 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 */ + } +#endif + + SCPY(mISDNport->name, devinfo.name); + mISDNport->b_num = devinfo.nrbchan; +#else 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; - } - 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++; + ptp = 1; + if (ptmp && nt) + { + PDEBUG(DEBUG_ISDN, "Port is forced to point-to-multipoint.\n"); + ptp = 0; + } } + + /* create layer intance */ memset(&li, 0, sizeof(li)); UCPY(&li.name[0], (nt)?"net l2":"pbx l4"); li.object_id = -1; @@ -1659,6 +3190,37 @@ struct mISDNport *mISDN_port_open(int port, int ptp) Isdnl3Init(nst); } + mISDNport->b_num = stinf->childcnt; +#endif + mISDNport->portnum = port; + mISDNport->ntmode = nt; + mISDNport->pri = pri; + mISDNport->ptp = ptp; + PDEBUG(DEBUG_ISDN, "Port has %d b-channels.\n", mISDNport->b_num); + i = 0; + while(i < mISDNport->b_num) + { + mISDNport->b_state[i] = B_STATE_IDLE; +#ifdef SOCKET_MISDN + mISDNport->b_socket[i] = -1; +#else + mISDNport->b_stid[i] = stinf->child[i]; + PDEBUG(DEBUG_ISDN, "b_stid[%d] = 0x%x.\n", i, mISDNport->b_stid[i]); +#endif + i++; + } + +#ifdef SOCKET_MISDN + /* if ptp, pull up the link */ + if (mISDNport->ptp) + { +#warning SOCKET TBD +// mISDNport->ml3->to_layer2(mISDNport->ml3, DL_ESTABLISH_REQ); +// l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); +// end_trace(); + time(&mISDNport->l2establish); + } +#else /* if te-mode, query state link */ if (!mISDNport->ntmode) { @@ -1670,6 +3232,7 @@ struct mISDNport *mISDN_port_open(int port, int ptp) act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); + time(&mISDNport->l2establish); } /* if ptp AND te-mode, pull up the link */ if (mISDNport->ptp && !mISDNport->ntmode) @@ -1681,6 +3244,10 @@ struct mISDNport *mISDN_port_open(int port, int ptp) act.dinfo = 0; act.len = 0; mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); + time(&mISDNport->l2establish); + + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); + end_trace(); } /* if ptp AND nt-mode, pull up the link */ if (mISDNport->ptp && mISDNport->ntmode) @@ -1690,76 +3257,25 @@ struct mISDNport *mISDN_port_open(int port, int ptp) dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0); if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg)) free_msg(dmsg); + l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); + end_trace(); } +#endif /* 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); + start_trace(mISDNport->portnum, + interface, + NULL, + NULL, + DIRECTION_NONE, + CATEGORY_CH, + 0, + "PORT (open)"); + add_trace("channels", NULL, "%d", mISDNport->b_num); + end_trace(); return(mISDNport); } @@ -1781,9 +3297,12 @@ void mISDNport_close(struct mISDNport *mISDNport) { struct mISDNport **mISDNportp; class Port *port; - classs PmISDN *pmISDN; + class PmISDN *isdnport; +#ifdef SOCKET_MISDN +#else net_stack_t *nst; unsigned char buf[32]; +#endif int i; /* remove all port instance that are linked to this mISDNport */ @@ -1792,33 +3311,49 @@ void mISDNport_close(struct mISDNport *mISDNport) { if ((port->p_type&PORT_CLASS_MASK) == PORT_CLASS_mISDN) { - pmISDN = (class PmISDN)*port; - if (pmISDN->p_m_mISDNport) + isdnport = (class PmISDN *)port; + if (isdnport->p_m_mISDNport) { - PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", pnISDN->p_name, mISDNport->portnum); - delete pmISDN; + PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", isdnport->p_name, mISDNport->portnum); + delete isdnport; } } port = port->next; } - printlog("closing port %d\n", mISDNport->portnum); + /* only if we are already part of interface */ + if (mISDNport->ifport) + { + start_trace(mISDNport->portnum, + mISDNport->ifport->interface, + NULL, + NULL, + DIRECTION_NONE, + CATEGORY_CH, + 0, + "PORT (close)"); + end_trace(); + } /* 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]) +#ifdef SOCKET_MISDN + if (mISDNport->b_socket[i] > -1) +#else + if (mISDNport->b_addr[i]) +#endif { - 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); + _bchannel_destroy(mISDNport, i); + PDEBUG(DEBUG_BCHANNEL, "freeing %s port %d bchannel (index %d).\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, i); } i++; } +#ifdef SOCKET_MISDN + close_layer3(mISDNport->ml3); +#else /* free ressources of port */ msg_queue_purge(&mISDNport->downqueue); @@ -1835,17 +3370,17 @@ void mISDNport_close(struct mISDNport *mISDNport) /* phd */ msg_queue_purge(&nst->down_queue); if (nst->phd_down_msg) - free(nst->phd_down_msg); + FREE(nst->phd_down_msg, 0); } } 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); + if (mISDNport->upper_id) + mISDN_write_frame(mISDNdevice, buf, mISDNport->upper_id | FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); } +#endif /* remove from list */ mISDNportp = &mISDNport_first; @@ -1854,31 +3389,18 @@ void mISDNport_close(struct mISDNport *mISDNport) if (*mISDNportp == mISDNport) { *mISDNportp = (*mISDNportp)->next; + mISDNportp = NULL; break; } mISDNportp = &((*mISDNportp)->next); } - if (!(*mISDNportp)) - { - PERROR("software error, mISDNport not in list\n"); - exit(-1); - } + if (mISDNportp) + FATAL("mISDNport not in list\n"); - memset(mISDNport, 0, sizeof(struct mISDNport)); - free(mISDNport); + FREE(mISDNport, sizeof(struct 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"); - } } @@ -1887,9 +3409,31 @@ void mISDNport_close(struct mISDNport *mISDNport) */ void mISDN_port_info(void) { - int err; - int i, ii, p; - int useable, nt, pri; + int ret; + int i, ii; + int useable, nt, te, pri, bri, pots; +#ifdef SOCKET_MISDN + struct mISDN_devinfo devinfo; + int sock; + + /* open mISDN */ + sock = socket(PF_ISDN, SOCK_RAW, ISDN_P_BASE); + if (sock < 0) + { + fprintf(stderr, "Cannot open mISDN due to %s. (Does your Kernel support socket based mISDN?)\n", strerror(errno)); + exit(EXIT_FAILURE); + } + + /* get number of stacks */ + i = 1; + ret = ioctl(sock, IMGETCOUNT, &ii); + if (ret < 0) + { + fprintf(stderr, "Cannot get number of mISDN devices. (ioctl IMGETCOUNT failed ret=%d)\n", ret); + goto done; + } +#else + int p; unsigned char buff[1025]; iframe_t *frm = (iframe_t *)buff; stack_info_t *stinf; @@ -1898,82 +3442,139 @@ void mISDN_port_info(void) /* 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); + 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(EXIT_FAILURE); } /* get number of stacks */ i = 1; ii = mISDN_get_stack_count(device); +#endif printf("\n"); if (ii <= 0) { printf("Found no card. Please be sure to load card drivers.\n"); + goto done; } /* 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) + nt = te = bri = pri = pots = 0; + useable = 0; + +#ifdef SOCKET_MISDN + devinfo.id = i - 1; + ret = ioctl(sock, IMGETDEVINFO, &devinfo); + if (ret <= 0) { - fprintf(stderr, "mISDN_get_stack_info() failed: port=%d err=%d\n", i, err); + fprintf(stderr, "Cannot get device information for port %d. (ioctl IMGETDEVINFO failed ret=%d)\n", i, ret); break; } - stinf = (stack_info_t *)&frm->data.p; - nt = pri = 0; - useable = 1; + /* output the port info */ + printf("Port %2d name='%s': ", i, devinfo.name); + if (devinfo.Dprotocols & (1 << ISDN_P_TE_S0)) + { + bri = 1; + te = 1; + } + if (devinfo.Dprotocols & (1 << ISDN_P_NT_S0)) + { + bri = 1; + nt = 1; + } +#ifdef ISDN_P_TE_E1 + if (devinfo.Dprotocols & (1 << ISDN_P_TE_E1)) + { + pri = 1; + te = 1; + } +#endif +#ifdef ISDN_P_NT_E1 + if (devinfo.Dprotocols & (1 << ISDN_P_NT_E1)) + { + pri = 1; + nt = 1; + } +#endif +#ifdef ISDN_P_FXS + if (devinfo.Dprotocols & (1 << ISDN_P_FXS)) + { + pots = 1; + te = 1; + } +#endif +#ifdef ISDN_P_FXO + if (devinfo.Dprotocols & (1 << ISDN_P_FXO)) + { + pots = 1; + nt = 1; + } +#endif + if ((te || nt) && (bri || pri || pots)) + useable = 1; + + if (te && bri) + printf("TE-mode BRI S/T interface line (for phone lines)"); + if (nt && bri) + printf("NT-mode BRI S/T interface port (for phones)"); + if (te && pri) + printf("TE-mode PRI E1 interface line (for phone lines)"); + if (nt && pri) + printf("NT-mode PRI E1 interface port (for E1 terminals)"); + if (te && pots) + printf("FXS POTS interface port (for analog lines)"); + if (nt && pots) + printf("FXO POTS interface port (for analog phones)"); + if (pots) + { + useable = 0; + printf("\n -> Analog interfaces are not supported."); + } else + if (!useable) + { + printf("unsupported interface protocol bits 0x%016x", devinfo.Dprotocols); + } + printf("\n"); + + printf(" - %d B-channels\n", devinfo.nrbchan); +#else + ret = mISDN_get_stack_info(device, i, buff, sizeof(buff)); + if (ret <= 0) + { + fprintf(stderr, "mISDN_get_stack_info() failed: port=%d error=%d\n", i, ret); + break; + } + stinf = (stack_info_t *)&frm->data.p; /* output the port info */ printf("Port %2d: ", i); switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) { case ISDN_PID_L0_TE_S0: + useable = 1; + te = 1; + bri = 1; 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: + useable = 1; nt = 1; + bri = 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_U: - printf("TE-mode BRI U interface line"); - break; - case ISDN_PID_L0_NT_U: - nt = 1; - printf("NT-mode BRI U interface port"); - break; - case ISDN_PID_L0_TE_UP2: - printf("TE-mode BRI Up2 interface line"); - break; - case ISDN_PID_L0_NT_UP2: - nt = 1; - printf("NT-mode BRI Up2 interface port"); break; case ISDN_PID_L0_TE_E1: + useable = 1; + te = 1; 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: + useable = 1; 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 + printf("NT-mode PRI E1 interface port (for E1 terminals)"); break; default: useable = 0; @@ -1993,7 +3594,7 @@ void mISDN_port_info(void) 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]); + printf(" -> Layer %d protocol 0x%08x is detected, port already in use by another application.\n", p, stinf->pid.protocol[p]); } p++; } @@ -2004,7 +3605,8 @@ void mISDN_port_info(void) else printf(" -> Interface can be Poin-To-Point/Multipoint.\n"); } - } else + } + if (te) { if (stinf->pid.protocol[1] == 0) { @@ -2044,15 +3646,16 @@ void mISDN_port_info(void) 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]); + printf(" -> Layer %d protocol 0x%08x is detected, port already in use by another application.\n", p, stinf->pid.protocol[p]); } p++; } } printf(" - %d B-channels\n", stinf->childcnt); +#endif if (!useable) - printf(" * Port NOT useable for PBX\n"); + printf(" * Port NOT useable for LCR\n"); printf("--------\n"); @@ -2060,12 +3663,93 @@ void mISDN_port_info(void) } printf("\n"); +done: +#ifdef SOCKET_MISDN + close(sock); +#else /* close mISDN */ - if ((err = mISDN_close(device))) - { - fprintf(stderr, "mISDN_close() failed: err=%d '%s'\n", err, strerror(err)); - exit(-1); - } + if ((ret = mISDN_close(device))) + FATAL("mISDN_close() failed: err=%d '%s'\n", ret, strerror(ret)); +#endif } +/* + * enque data from upper buffer + */ +void PmISDN::txfromup(unsigned char *data, int length) +{ +#ifdef SOCKET_MISDN + unsigned char buf[MISDN_HEADER_LEN+((length>ISDN_LOAD)?length:ISDN_LOAD)]; + struct mISDNhead *hh = (struct mISDNhead *)buf; + int ret; + + if (p_m_b_index < 0) + return; + if (!p_m_mISDNport->b_socket[p_m_b_index]) + return; +#else + unsigned char buf[mISDN_HEADER_LEN+((length>ISDN_LOAD)?length:ISDN_LOAD)]; + iframe_t *frm = (iframe_t *)buf; + + if (p_m_b_index < 0) + return; + if (!p_m_mISDNport->b_addr[p_m_b_index]) + return; +#endif + + /* check if high priority tones exist + * ignore data in this case + */ + if (p_tone_name[0] || p_m_crypt_msg_loops) + return; + + /* preload procedure + * if transmit buffer in DSP module is empty, + * preload it to DSP_LOAD to prevent jitter gaps. + */ + if (p_m_load==0 && ISDN_LOAD>0) + { +#ifdef SOCKET_MISDN + hh->prim = DL_DATA_REQ; + hh->id = 0; + memcpy(buf+MISDN_HEADER_LEN, data, ISDN_LOAD); + ret = sendto(p_m_mISDNport->b_socket[p_m_b_index], buf, MISDN_HEADER_LEN+ISDN_LOAD, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_socket[p_m_b_index]); +#else + frm->prim = DL_DATA | REQUEST; + frm->addr = p_m_mISDNport->b_addr[p_m_b_index] | FLG_MSG_DOWN; + frm->dinfo = 0; + frm->len = ISDN_LOAD; + memcpy(buf+mISDN_HEADER_LEN, data, ISDN_LOAD); + mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+ISDN_LOAD, TIMEOUT_1SEC); +#endif + p_m_load += ISDN_LOAD; + } + + /* drop if load would exceed ISDN_MAXLOAD + * this keeps the delay not too high + */ + if (p_m_load+length > ISDN_MAXLOAD) + return; + + /* make and send frame */ +#ifdef SOCKET_MISDN + hh->prim = DL_DATA_REQ; + hh->id = 0; + memcpy(buf+MISDN_HEADER_LEN, data, length); + ret = sendto(p_m_mISDNport->b_socket[p_m_b_index], buf, MISDN_HEADER_LEN+length, 0, NULL, 0); + if (!ret) + PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_socket[p_m_b_index]); +#else + frm->prim = DL_DATA | REQUEST; + frm->addr = p_m_mISDNport->b_addr[p_m_b_index] | FLG_MSG_DOWN; + frm->dinfo = 0; + frm->len = length; + memcpy(buf+mISDN_HEADER_LEN, data, length); + mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); +#endif + p_m_load += length; +} +