X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=mISDN.cpp;h=50746ecfb99331124fc4061a7487bd5494dbf6a5;hp=5f55a365c28f54ceddc637d96d7d8c94bf060a50;hb=34598a346419f0e661526e6208dade4aff570008;hpb=7239f7e28e0c566c2e9ce2cacc9c32e297dd17d7 diff --git a/mISDN.cpp b/mISDN.cpp index 5f55a36..50746ec 100644 --- a/mISDN.cpp +++ b/mISDN.cpp @@ -12,11 +12,9 @@ #include "main.h" #include "myisdn.h" -extern "C" { -#define MISDN_OLD_AF_COMPATIBILITY 1 -#include -} -#include +#include +int __af_isdn = MISDN_AF_ISDN; +#include #undef offsetof #ifdef __compiler_offsetof @@ -45,17 +43,21 @@ int mISDN_rand_count = 0; unsigned int mt_assign_pid = ~0; int mISDNsocket = -1; +static int upqueue_pipe[2]; +static struct lcr_fd upqueue_fd; +int upqueue_avail = 0; + +static int mISDN_upqueue(struct lcr_fd *fd, unsigned int what, void *instance, int i); +static int mISDN_timeout(struct lcr_timer *timer, void *instance, int i); int mISDN_initialize(void) { char filename[256]; - init_af_isdn(); - /* 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)); + fprintf(stderr, "Cannot open mISDN due to '%s'. (Does your Kernel support socket based mISDN? Protocol family is %d.)\n", strerror(errno), PF_ISDN); return(-1); } @@ -74,6 +76,12 @@ int mISDN_initialize(void) } else mISDN_debug_init(0, NULL, NULL, NULL); + if (pipe(upqueue_pipe) < 0) + FATAL("Failed to open pipe\n"); + memset(&upqueue_fd, 0, sizeof(upqueue_fd)); + upqueue_fd.fd = upqueue_pipe[0]; + register_fd(&upqueue_fd, LCR_FD_READ, mISDN_upqueue, NULL, 0); + return(0); } @@ -89,8 +97,17 @@ void mISDN_deinitialize(void) if (mISDNsocket > -1) close(mISDNsocket); + + if (upqueue_fd.inuse) { + unregister_fd(&upqueue_fd); + close(upqueue_pipe[0]); + close(upqueue_pipe[1]); + } + upqueue_avail = 0; } +int load_timer(struct lcr_timer *timer, void *instance, int index); + /* * constructor */ @@ -103,25 +120,29 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti p_m_b_exclusive = 0; p_m_b_reserve = 0; p_m_b_mode = mode; - p_m_delete = 0; p_m_hold = 0; p_m_tx_gain = mISDNport->ifport->interface->tx_gain; p_m_rx_gain = mISDNport->ifport->interface->rx_gain; p_m_conf = 0; + p_m_mute = 0; p_m_txdata = 0; p_m_delay = 0; p_m_echo = 0; p_m_tone = 0; p_m_rxoff = 0; p_m_joindata = 0; + p_m_inband_send_on = 0; + p_m_inband_receive_on = 0; p_m_dtmf = !mISDNport->ifport->nodtmf; - p_m_timeout = 0; - p_m_timer = 0; + memset(&p_m_timeout, 0, sizeof(p_m_timeout)); + add_timer(&p_m_timeout, mISDN_timeout, this, 0); p_m_remote_ref = 0; /* channel shall be exported to given remote */ p_m_remote_id = 0; /* remote admin socket */ SCPY(p_m_pipeline, mISDNport->ifport->interface->pipeline); /* audio */ + memset(&p_m_loadtimer, 0, sizeof(p_m_loadtimer)); + add_timer(&p_m_loadtimer, load_timer, this, 0); p_m_load = 0; p_m_last_tv_sec = 0; @@ -159,6 +180,7 @@ PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_setti /* we increase the number of objects: */ mISDNport->use++; PDEBUG(DEBUG_ISDN, "Created new mISDNPort(%s). Currently %d objects use, port #%d\n", portname, mISDNport->use, p_m_portnum); +//inband_receive_on(); } @@ -169,6 +191,9 @@ PmISDN::~PmISDN() { struct lcr_msg *message; + del_timer(&p_m_timeout); + del_timer(&p_m_loadtimer); + /* remove bchannel relation */ drop_bchannel(); @@ -353,6 +378,7 @@ void ph_control_block(struct mISDNport *mISDNport, class PmISDN *isdnport, int s end_trace(); } +static int b_sock_callback(struct lcr_fd *fd, unsigned int what, void *instance, int i); /* * subfunction for bchannel_event @@ -361,47 +387,40 @@ void ph_control_block(struct mISDNport *mISDNport, class PmISDN *isdnport, int s static int _bchannel_create(struct mISDNport *mISDNport, int i) { int ret; - unsigned int on = 1; struct sockaddr_mISDN addr; - if (mISDNport->b_socket[i] > -1) { + if (mISDNport->b_sock[i].inuse) { PERROR("Error: Socket already created for index %d\n", i); return(0); } /* open socket */ //#warning testing without DSP -// mISDNport->b_socket[i] = socket(PF_ISDN, SOCK_DGRAM, (mISDNport->b_mode[i]==B_MODE_HDLC)?ISDN_P_B_HDLC:ISDN_P_B_RAW); - mISDNport->b_socket[i] = socket(PF_ISDN, SOCK_DGRAM, (mISDNport->b_mode[i]==B_MODE_HDLC)?ISDN_P_B_L2DSPHDLC:ISDN_P_B_L2DSP); - if (mISDNport->b_socket[i] < 0) { +// mISDNport->b_sock[i].fd = socket(PF_ISDN, SOCK_DGRAM, (mISDNport->b_mode[i]==B_MODE_HDLC)?ISDN_P_B_HDLC:ISDN_P_B_RAW); + mISDNport->b_sock[i].fd = socket(PF_ISDN, SOCK_DGRAM, (mISDNport->b_mode[i]==B_MODE_HDLC)?ISDN_P_B_L2DSPHDLC:ISDN_P_B_L2DSP); + if (mISDNport->b_sock[i].fd < 0) { PERROR("Error: Failed to open bchannel-socket for index %d with mISDN-DSP layer. Did you load mISDN_dsp.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); - } + /* register callback for read */ + register_fd(&mISDNport->b_sock[i], LCR_FD_READ, b_sock_callback, mISDNport, i); + /* bind socket to bchannel */ addr.family = AF_ISDN; addr.dev = mISDNport->portnum; addr.channel = i+1+(i>=15); - ret = bind(mISDNport->b_socket[i], (struct sockaddr *)&addr, sizeof(addr)); + ret = bind(mISDNport->b_sock[i].fd, (struct sockaddr *)&addr, sizeof(addr)); if (ret < 0) { PERROR("Error: Failed to bind bchannel-socket for index %d with mISDN-DSP layer (errno=%d). Did you load mISDN_dsp.ko?\n", i, errno); - close(mISDNport->b_socket[i]); - mISDNport->b_socket[i] = -1; + close(mISDNport->b_sock[i].fd); + unregister_fd(&mISDNport->b_sock[i]); return(0); } 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]); + add_trace("socket", NULL, "%d", mISDNport->b_sock[i].fd); end_trace(); return(1); @@ -412,23 +431,23 @@ static int _bchannel_create(struct mISDNport *mISDNport, int i) * subfunction for bchannel_event * activate / deactivate request */ -static void _bchannel_activate(struct mISDNport *mISDNport, int i, int activate) +static void _bchannel_activate(struct mISDNport *mISDNport, int i, int activate, int timeout) { struct mISDNhead act; int ret; - if (mISDNport->b_socket[i] < 0) + if (!mISDNport->b_sock[i].inuse) return; act.prim = (activate)?PH_ACTIVATE_REQ:PH_DEACTIVATE_REQ; act.id = 0; - ret = sendto(mISDNport->b_socket[i], &act, MISDN_HEADER_LEN, 0, NULL, 0); + ret = sendto(mISDNport->b_sock[i].fd, &act, MISDN_HEADER_LEN, 0, NULL, 0); if (ret <= 0) - PERROR("Failed to send to socket %d\n", mISDNport->b_socket[i]); + PERROR("Failed to send to socket %d\n", mISDNport->b_sock[i].fd); /* trace */ chan_trace_header(mISDNport, mISDNport->b_port[i], activate ? "BCHANNEL activate" : "BCHANNEL deactivate", DIRECTION_OUT); add_trace("channel", NULL, "%d", i+1+(i>=15)); - if (mISDNport->b_timer[i]) + if (timeout) add_trace("event", NULL, "timeout recovery"); end_trace(); } @@ -443,9 +462,9 @@ static void _bchannel_configure(struct mISDNport *mISDNport, int i) struct PmISDN *port; int handle, mode; - if (mISDNport->b_socket[i] < 0) + if (!mISDNport->b_sock[i].inuse) return; - handle = mISDNport->b_socket[i]; + handle = mISDNport->b_sock[i].fd; port = mISDNport->b_port[i]; mode = mISDNport->b_mode[i]; if (!port) { @@ -464,7 +483,7 @@ static void _bchannel_configure(struct mISDNport *mISDNport, int i) ph_control(mISDNport, port, handle, DSP_VOL_CHANGE_RX, port->p_m_rx_gain, "DSP-RX_GAIN", port->p_m_rx_gain); if (port->p_m_pipeline[0] && mode == B_MODE_TRANSPARENT) ph_control_block(mISDNport, port, handle, DSP_PIPELINE_CFG, port->p_m_pipeline, strlen(port->p_m_pipeline)+1, "DSP-PIPELINE", 0); - if (port->p_m_conf) + if (port->p_m_conf && !port->p_m_mute) ph_control(mISDNport, port, handle, DSP_CONF_JOIN, port->p_m_conf, "DSP-CONF", port->p_m_conf); if (port->p_m_echo) ph_control(mISDNport, port, handle, DSP_ECHO_ON, 0, "DSP-ECHO", 1); @@ -480,20 +499,33 @@ static void _bchannel_configure(struct mISDNport *mISDNport, int i) ph_control_block(mISDNport, port, handle, DSP_BF_ENABLE_KEY, port->p_m_crypt_key, port->p_m_crypt_key_len, "DSP-CRYPT", port->p_m_crypt_key_len); } + +void PmISDN::set_conf(int oldconf, int newconf) +{ + if (oldconf != newconf) { + PDEBUG(DEBUG_BCHANNEL, "we change conference from conf=%d to conf=%d.\n", oldconf, newconf); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, (newconf)?DSP_CONF_JOIN:DSP_CONF_SPLIT, newconf, "DSP-CONF", newconf); + } else + PDEBUG(DEBUG_BCHANNEL, "we already have conf=%d.\n", newconf); +} + + /* * subfunction for bchannel_event * destroy stack */ static void _bchannel_destroy(struct mISDNport *mISDNport, int i) { - if (mISDNport->b_socket[i] < 0) + if (!mISDNport->b_sock[i].inuse) return; 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]); + add_trace("socket", NULL, "%d", mISDNport->b_sock[i].fd); end_trace(); - close(mISDNport->b_socket[i]); - mISDNport->b_socket[i] = -1; + close(mISDNport->b_sock[i].fd); + unregister_fd(&mISDNport->b_sock[i]); } @@ -593,7 +625,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) { class PmISDN *b_port = mISDNport->b_port[i]; int state = mISDNport->b_state[i]; - double timer = mISDNport->b_timer[i]; + int timer = -1; // no change unsigned int p_m_remote_ref = 0; unsigned int p_m_remote_id = 0; int p_m_tx_gain = 0; @@ -624,7 +656,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) case B_STATE_IDLE: if (p_m_remote_ref) { /* export bchannel */ - message_bchannel_to_remote(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); + message_bchannel_to_remote(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, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "assign"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -635,9 +667,9 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) } else { /* create stack and send activation request */ if (_bchannel_create(mISDNport, i)) { - _bchannel_activate(mISDNport, i, 1); + _bchannel_activate(mISDNport, i, 1, 0); state = B_STATE_ACTIVATING; - timer = now_d + B_TIMER_ACTIVATING; + timer = B_TIMER_ACTIVATING; } } break; @@ -672,7 +704,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) /* 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_remote(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); + message_bchannel_to_remote(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, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "assign"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -694,9 +726,9 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) case B_STATE_ACTIVE: /* bchannel is active, so we deactivate */ - _bchannel_activate(mISDNport, i, 0); + _bchannel_activate(mISDNport, i, 0, 0); state = B_STATE_DEACTIVATING; - timer = now_d + B_TIMER_DEACTIVATING; + timer = B_TIMER_DEACTIVATING; break; default: @@ -727,7 +759,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) case B_STATE_REMOTE: /* bchannel is exported, so we re-import */ - message_bchannel_to_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0); + message_bchannel_to_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "remove"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -756,9 +788,9 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) b_port->p_m_load = 0; } else { /* bchannel is active, but exported OR not used anymore (or has wrong stack config), so we deactivate */ - _bchannel_activate(mISDNport, i, 0); + _bchannel_activate(mISDNport, i, 0, 0); state = B_STATE_DEACTIVATING; - timer = now_d + B_TIMER_DEACTIVATING; + timer = B_TIMER_DEACTIVATING; } break; @@ -778,7 +810,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) * 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_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0); + message_bchannel_to_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "remove"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -807,14 +839,14 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) case B_STATE_ACTIVE: /* bchannel is active, so we deactivate */ - _bchannel_activate(mISDNport, i, 0); + _bchannel_activate(mISDNport, i, 0, 0); state = B_STATE_DEACTIVATING; - timer = now_d + B_TIMER_DEACTIVATING; + timer = B_TIMER_DEACTIVATING; break; case B_STATE_REMOTE: /* bchannel is exported, so we re-import */ - message_bchannel_to_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0); + message_bchannel_to_remote(mISDNport->b_remote_id[i], 0, BCHANNEL_REMOVE, portid, 0,0,0,0,0,0, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "remove"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -845,7 +877,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) if (b_port) { /* bchannel is now deactivate, but is requied by Port class, so we reactivate / export */ if (p_m_remote_ref) { - message_bchannel_to_remote(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); + message_bchannel_to_remote(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, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "assign"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -855,9 +887,9 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) mISDNport->b_remote_ref[i] = p_m_remote_ref; } else { if (_bchannel_create(mISDNport, i)) { - _bchannel_activate(mISDNport, i, 1); + _bchannel_activate(mISDNport, i, 1, 0); state = B_STATE_ACTIVATING; - timer = now_d + B_TIMER_ACTIVATING; + timer = B_TIMER_ACTIVATING; } } } @@ -877,7 +909,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) if (b_port) { /* bchannel is now imported, but is requied by Port class, so we reactivate / export */ if (p_m_remote_ref) { - message_bchannel_to_remote(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); + message_bchannel_to_remote(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, 0); chan_trace_header(mISDNport, b_port, "MESSAGE_BCHANNEL (to remote application)", DIRECTION_NONE); add_trace("type", NULL, "assign"); add_trace("channel", NULL, "%d.%d", portid>>8, portid&0xff); @@ -887,9 +919,9 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) mISDNport->b_remote_ref[i] = p_m_remote_ref; } else { if (_bchannel_create(mISDNport, i)) { - _bchannel_activate(mISDNport, i, 1); + _bchannel_activate(mISDNport, i, 1, 0); state = B_STATE_ACTIVATING; - timer = now_d + B_TIMER_ACTIVATING; + timer = B_TIMER_ACTIVATING; } } } @@ -909,13 +941,13 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) break; case B_STATE_ACTIVATING: - _bchannel_activate(mISDNport, i, 1); - timer = now_d + B_TIMER_ACTIVATING; + _bchannel_activate(mISDNport, i, 1, 1); + timer = B_TIMER_ACTIVATING; break; case B_STATE_DEACTIVATING: - _bchannel_activate(mISDNport, i, 0); - timer = now_d + B_TIMER_DEACTIVATING; + _bchannel_activate(mISDNport, i, 0, 1); + timer = B_TIMER_DEACTIVATING; break; default: @@ -928,7 +960,10 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event) } mISDNport->b_state[i] = state; - mISDNport->b_timer[i] = timer; + if (timer == 0) + unsched_timer(&mISDNport->b_timer[i]); + else if (timer > 0) + schedule_timer(&mISDNport->b_timer[i], timer, 0); } @@ -1187,46 +1222,66 @@ on empty load, remote-audio causes the load with the remote audio to be increase +--------------------+----------------------+ */ -int PmISDN::handler(void) +void PmISDN::update_load(void) +{ + /* don't trigger load event if: */ + if (!p_tone_name[0] && !p_m_crypt_msg_loops && !p_m_inband_send_on) + return; + + /* don't trigger load event if event already active */ + if (p_m_loadtimer.active) + return; + + schedule_timer(&p_m_loadtimer, 0, 0); /* no delay the first time */ +} + +int load_timer(struct lcr_timer *timer, void *instance, int index) +{ + class PmISDN *isdnport = (class PmISDN *)instance; + + isdnport->load_tx(); + + return 0; +} + +void PmISDN::load_tx(void) { - struct lcr_msg *message; int elapsed = 0; int ret; - - if ((ret = Port::handler())) - return(ret); + struct timeval current_time; /* get elapsed */ + gettimeofday(¤t_time, NULL); 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; + elapsed = 8000 * (current_time.tv_sec - p_m_last_tv_sec) + + 8 * (current_time.tv_usec/1000 - p_m_last_tv_msec); } - /* process only if we have a minimum of samples, to make packets not too small */ - if (elapsed >= ISDN_TRANSMIT - && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) { - /* set clock of last process! */ - p_m_last_tv_sec = now_tv.tv_sec; - p_m_last_tv_msec = now_tv.tv_usec/1000; + /* set clock of last process! */ + p_m_last_tv_sec = current_time.tv_sec; + p_m_last_tv_msec = current_time.tv_usec/1000; + /* process only if we have samples and we are active */ + if (elapsed && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) { /* 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)) { + /* to send data, tone must be on */ + if ((p_tone_name[0] || p_m_crypt_msg_loops || p_m_inband_send_on) /* what tones? */ + && (p_m_load < ISDN_LOAD) /* not too much load? */ + && (p_state==PORT_STATE_CONNECT || p_m_mISDNport->tones || p_m_inband_send_on)) { /* connected or inband-tones? */ int tosend = ISDN_LOAD - p_m_load, length; unsigned char buf[MISDN_HEADER_LEN+tosend]; struct mISDNhead *frm = (struct mISDNhead *)buf; unsigned char *p = buf+MISDN_HEADER_LEN; + /* copy inband signalling (e.g. used by ss5) */ + if (p_m_inband_send_on && tosend) { + tosend -= inband_send(p, tosend); + } + /* copy crypto loops */ while (p_m_crypt_msg_loops && tosend) { /* how much do we have to send */ @@ -1245,6 +1300,8 @@ int PmISDN::handler(void) /* next loop */ p_m_crypt_msg_current = 0; p_m_crypt_msg_loops--; + if (!p_m_crypt_msg_loops) + update_rxoff(); // puts("eine loop weniger"); } @@ -1261,32 +1318,34 @@ int PmISDN::handler(void) if (ISDN_LOAD - p_m_load - tosend > 0) { frm->prim = PH_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); + ret = sendto(p_m_mISDNport->b_sock[p_m_b_index].fd, buf, MISDN_HEADER_LEN+ISDN_LOAD-p_m_load-tosend, 0, NULL, 0); if (ret <= 0) - PERROR("Failed to send to socket %d (samples = %d)\n", p_m_mISDNport->b_socket[p_m_b_index], ISDN_LOAD-p_m_load-tosend); + PERROR("Failed to send to socket %d (samples = %d)\n", p_m_mISDNport->b_sock[p_m_b_index].fd, ISDN_LOAD-p_m_load-tosend); p_m_load += ISDN_LOAD - p_m_load - tosend; } } } - // NOTE: deletion is done by the child class - - /* handle timeouts */ - if (p_m_timeout) { - if (p_m_timer+p_m_timeout < now_d) { - PDEBUG(DEBUG_ISDN, "(%s) timeout after %d seconds detected (state=%d).\n", p_name, p_m_timeout, p_state); - p_m_timeout = 0; - /* send timeout to endpoint */ - message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TIMEOUT); - message->param.state = p_state; - message_put(message); - return(1); - } + if (p_tone_name[0] || p_m_crypt_msg_loops || p_m_inband_send_on || p_m_load) { + schedule_timer(&p_m_loadtimer, 0, ISDN_TRANSMIT*125); } - - return(0); /* nothing done */ } +/* handle timeouts */ +static int mISDN_timeout(struct lcr_timer *timer, void *instance, int i) +{ + class PmISDN *isdnport = (class PmISDN *)instance; + struct lcr_msg *message; + + PDEBUG(DEBUG_ISDN, "(%s) timeout after %d seconds detected (state=%d).\n", isdnport->p_name, isdnport->p_m_timeout.timeout.tv_sec, isdnport->p_state); + /* send timeout to endpoint */ + message = message_create(isdnport->p_serial, ACTIVE_EPOINT(isdnport->p_epointlist), PORT_TO_EPOINT, MESSAGE_TIMEOUT); + message->param.state = isdnport->p_state; + message_put(message); + + return 0; +} + /* * whenever we get audio data from bchannel, we process it here @@ -1308,7 +1367,11 @@ void PmISDN::bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len 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); + if (!p_m_dtmf) + add_trace("info", NULL, "DTMF is disabled"); end_trace(); + if (!p_m_dtmf) + return; message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_DTMF); message->param.dtmf = cont & DTMF_TONE_MASK; PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION DTMF digit '%c'\n", p_name, message->param.dtmf); @@ -1372,6 +1435,10 @@ void PmISDN::bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len return; } + /* inband is processed */ + if (p_m_inband_receive_on) + inband_receive(data, len); + /* calls will not process any audio data unless * the call is connected OR tones feature is enabled. */ @@ -1440,7 +1507,7 @@ 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_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_echo?DSP_ECHO_ON:DSP_ECHO_OFF, 0, "DSP-ECHO", p_m_echo); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, p_m_echo?DSP_ECHO_ON:DSP_ECHO_OFF, 0, "DSP-ECHO", p_m_echo); } } @@ -1483,7 +1550,7 @@ void PmISDN::set_tone(const char *dir, const char *tone) if (p_m_b_index > -1) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) { PDEBUG(DEBUG_ISDN, "we reset tone from id=%d to OFF.\n", p_m_tone); - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], DSP_TONE_PATT_OFF, 0, "DSP-TONE", 0); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_TONE_PATT_OFF, 0, "DSP-TONE", 0); } p_m_tone = 0; Port::set_tone(dir, tone); @@ -1555,7 +1622,7 @@ void PmISDN::set_tone(const char *dir, const char *tone) PDEBUG(DEBUG_ISDN, "we set tone to id=%d.\n", p_m_tone); if (p_m_b_index > -1) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_tone?DSP_TONE_PATT_ON:DSP_TONE_PATT_OFF, p_m_tone, "DSP-TONE", p_m_tone); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, p_m_tone?DSP_TONE_PATT_ON:DSP_TONE_PATT_OFF, p_m_tone, "DSP-TONE", p_m_tone); } /* turn user-space tones off in cases of no tone OR dsp tone */ Port::set_tone("",NULL); @@ -1566,6 +1633,7 @@ void PmISDN::set_tone(const char *dir, const char *tone) //extern struct lcr_msg *dddebug; void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union parameter *param) { + int oldconf, newconf; switch(param->mISDNsignal.message) { case mISDNSIGNAL_VOLUME: if (p_m_tx_gain != param->mISDNsignal.tx_gain) { @@ -1573,7 +1641,7 @@ void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union p 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 && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], DSP_VOL_CHANGE_TX, p_m_tx_gain, "DSP-TX_GAIN", p_m_tx_gain); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_VOL_CHANGE_TX, p_m_tx_gain, "DSP-TX_GAIN", p_m_tx_gain); } 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) { @@ -1581,31 +1649,23 @@ void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union p 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 && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], DSP_VOL_CHANGE_RX, p_m_rx_gain, "DSP-RX_GAIN", p_m_rx_gain); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_VOL_CHANGE_RX, p_m_rx_gain, "DSP-RX_GAIN", p_m_rx_gain); } else PDEBUG(DEBUG_BCHANNEL, "we already have rx-volume shift=%d.\n", p_m_rx_gain); break; case mISDNSIGNAL_CONF: -//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type); -//tone if (!p_m_tone && p_m_conf!=param->mISDNsignal.conf) - if (p_m_conf != param->mISDNsignal.conf) { - p_m_conf = param->mISDNsignal.conf; - PDEBUG(DEBUG_BCHANNEL, "we change conference to conf=%d.\n", p_m_conf); - if (p_m_b_index > -1) - if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], (p_m_conf)?DSP_CONF_JOIN:DSP_CONF_SPLIT, p_m_conf, "DSP-CONF", p_m_conf); - } else - PDEBUG(DEBUG_BCHANNEL, "we already have conf=%d.\n", p_m_conf); - /* we must set, even if currently tone forbids conf */ + oldconf = p_m_mute?0:p_m_conf; p_m_conf = param->mISDNsignal.conf; -//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type); + newconf = p_m_mute?0:p_m_conf; + set_conf(oldconf, newconf); break; case mISDNSIGNAL_JOINDATA: if (p_m_joindata != param->mISDNsignal.joindata) { p_m_joindata = param->mISDNsignal.joindata; PDEBUG(DEBUG_BCHANNEL, "we change to joindata=%d.\n", p_m_joindata); + update_rxoff(); } else PDEBUG(DEBUG_BCHANNEL, "we already have joindata=%d.\n", p_m_joindata); break; @@ -1616,7 +1676,7 @@ void PmISDN::message_mISDNsignal(unsigned int epoint_id, int message_id, union p PDEBUG(DEBUG_BCHANNEL, "we change delay mode to delay=%d.\n", p_m_delay); if (p_m_b_index > -1) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) - ph_control(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_delay?DSP_DELAY:DSP_JITTER, p_m_delay, "DSP-DELAY", p_m_delay); + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, p_m_delay?DSP_DELAY:DSP_JITTER, p_m_delay, "DSP-DELAY", p_m_delay); } else PDEBUG(DEBUG_BCHANNEL, "we already have delay=%d.\n", p_m_delay); break; @@ -1647,7 +1707,7 @@ void PmISDN::message_crypt(unsigned int epoint_id, int message_id, union paramet PDEBUG(DEBUG_BCHANNEL, "we set encryption to crypt=%d. (0 means OFF)\n", p_m_crypt); if (p_m_b_index > -1) if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) - ph_control_block(p_m_mISDNport, this, p_m_mISDNport->b_socket[p_m_b_index], p_m_crypt?DSP_BF_ENABLE_KEY:DSP_BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len, "DSP-CRYPT", p_m_crypt_key_len); + ph_control_block(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, p_m_crypt?DSP_BF_ENABLE_KEY:DSP_BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len, "DSP-CRYPT", p_m_crypt_key_len); break; case CC_DACT_REQ: /* deactivate session encryption */ @@ -1657,11 +1717,13 @@ void PmISDN::message_crypt(unsigned int epoint_id, int message_id, union paramet case CR_LISTEN_REQ: /* start listening to messages */ p_m_crypt_listen = 1; + update_rxoff(); p_m_crypt_listen_state = 0; break; case CR_UNLISTEN_REQ: /* stop listening to messages */ p_m_crypt_listen = 0; + update_rxoff(); break; case CR_MESSAGE_REQ: /* send message */ @@ -1672,11 +1734,13 @@ void PmISDN::message_crypt(unsigned int epoint_id, int message_id, union paramet } p_m_crypt_msg_current = 0; /* reset */ p_m_crypt_msg_loops = 6; /* enable */ + update_rxoff(); + update_load(); #if 0 /* disable txmix, or we get corrupt data due to audio process */ if (p_m_txmix && p_m_b_index>=0 && p_m_mISDNport->b_mode[p_m_b_index] == B_MODE_TRANSPARENT) { PDEBUG(DEBUG_BCHANNEL, "for sending CR_MESSAGE_REQ, we reset txmix from txmix=%d.\n", p_m_txmix); - ph_control(p_m_mISDNport, this, p_mISDNport->b_socket[p_m_b_index], DSP_MIX_OFF, 0, "DSP-TXMIX", 0); + ph_control(p_m_mISDNport, this, p_mISDNport->b_sock[p_m_b_index].fd, DSP_MIX_OFF, 0, "DSP-TXMIX", 0); } #endif break; @@ -1714,133 +1778,74 @@ int PmISDN::message_epoint(unsigned int epoint_id, int message_id, union paramet return(0); } +void PmISDN::update_rxoff(void) +{ + /* call bridges in user space OR crypto OR recording */ + if (p_m_joindata || p_m_crypt_msg_loops || p_m_crypt_listen || p_record || p_m_inband_receive_on) { + /* rx IS required */ + if (p_m_rxoff) { + /* turn on RX */ + p_m_rxoff = 0; + PDEBUG(DEBUG_BCHANNEL, "%s: receive data is required, so we turn them on\n", __FUNCTION__); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_port[p_m_b_index] && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_RECEIVE_ON, 0, "DSP-RXOFF", 0); + } + } else { + /* rx NOT required */ + if (!p_m_rxoff) { + /* turn off RX */ + p_m_rxoff = 1; + PDEBUG(DEBUG_BCHANNEL, "%s: receive data is not required, so we turn them off\n", __FUNCTION__); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_port[p_m_b_index] && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_RECEIVE_OFF, 0, "DSP-RXOFF", 1); + } + } + /* recording */ + if (p_record) { + /* txdata IS required */ + if (!p_m_txdata) { + /* turn on RX */ + p_m_txdata = 1; + PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is required, so we turn them on\n", __FUNCTION__); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_port[p_m_b_index] && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_TXDATA_ON, 0, "DSP-TXDATA", 1); + } + } else { + /* txdata NOT required */ + if (p_m_txdata) { + /* turn off RX */ + p_m_txdata = 0; + PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is not required, so we turn them off\n", __FUNCTION__); + if (p_m_b_index > -1) + if (p_m_mISDNport->b_port[p_m_b_index] && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE) + ph_control(p_m_mISDNport, this, p_m_mISDNport->b_sock[p_m_b_index].fd, DSP_TXDATA_OFF, 0, "DSP-TXDATA", 0); + } + } +} -/* - * main loop for processing messages from mISDN - */ -int mISDN_handler(void) +static int mISDN_upqueue(struct lcr_fd *fd, unsigned int what, void *instance, int i) { - 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; struct mbuffer *mb; struct l3_msg *l3m; + char byte; + int ret; + + /* unset global semaphore */ + upqueue_avail = 0; + // with a very small incident, upqueue_avail may be set by mISDN thread and + // another byte may be sent to the pipe, which causes a call to this function + // again with nothing in the upqueue. this is no problem. + ret = read(fd->fd, &byte, 1); /* 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", __FUNCTION__); - if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) - ph_control(mISDNport, isdnport, mISDNport->b_socket[i], DSP_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", __FUNCTION__); - if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) - ph_control(mISDNport, isdnport, mISDNport->b_socket[i], DSP_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", __FUNCTION__); - if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) - ph_control(mISDNport, isdnport, mISDNport->b_socket[i], DSP_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", __FUNCTION__); - if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE) - ph_control(mISDNport, isdnport, mISDNport->b_socket[i], DSP_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_DATA_REQ: - case DL_DATA_REQ: - 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++; - } - /* handle queued up-messages (d-channel) */ - if (!mISDNport->gsm) { + if (!mISDNport->isloopback) { while ((mb = mdequeue(&mISDNport->upqueue))) { l3m = &mb->l3; switch(l3m->type) { @@ -1898,8 +1903,8 @@ int mISDN_handler(void) if (l3m->pid < 128) mISDNport->l2mask[l3m->pid >> 3] |= (1 << (l3m->pid & 7)); if ((!mISDNport->ntmode || mISDNport->ptp) && l3m->pid < 127) { - if (mISDNport->l2establish) { - mISDNport->l2establish = 0; + if (mISDNport->l2establish.active) { + unsched_timer(&mISDNport->l2establish); PDEBUG(DEBUG_ISDN, "the link became active before l2establish timer expiry.\n"); } } @@ -1908,7 +1913,7 @@ int mISDN_handler(void) case MT_L2RELEASE: if (l3m->pid < 128) mISDNport->l2mask[l3m->pid >> 3] &= ~(1 << (l3m->pid & 7)); - if (!mISDNport->l2establish) { + if (!mISDNport->l2establish.active) { l1l2l3_trace_header(mISDNport, NULL, L2_RELEASE_IND, DIRECTION_IN); add_trace("tei", NULL, "%d", l3m->pid); end_trace(); @@ -1916,10 +1921,10 @@ int mISDN_handler(void) if (!mISDNport->ntmode || mISDNport->ptp) mISDNport->l2link = 0; } - if (!mISDNport->gsm && (!mISDNport->ntmode || mISDNport->ptp) && l3m->pid < 127) { - if (!mISDNport->l2establish && mISDNport->l2hold) { + if (!mISDNport->isloopback && (!mISDNport->ntmode || mISDNport->ptp) && l3m->pid < 127) { + if (!mISDNport->l2establish.active && mISDNport->l2hold) { PDEBUG(DEBUG_ISDN, "set timer and establish.\n"); - time(&mISDNport->l2establish); + schedule_timer(&mISDNport->l2establish, 5, 0); mISDNport->ml3->to_layer3(mISDNport->ml3, MT_L2ESTABLISH, 0, NULL); } } @@ -1933,36 +1938,94 @@ int mISDN_handler(void) free_l3_msg(l3m); } } + mISDNport = mISDNport->next; + } + return 0; +} -#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 +/* l2 establish timer fires */ +static int l2establish_timeout(struct lcr_timer *timer, void *instance, int i) +{ + struct mISDNport *mISDNport = (struct mISDNport *)instance; - /* layer 2 establish timer */ - if (mISDNport->l2establish) { - if (now-mISDNport->l2establish > 5) { - mISDNport->l2establish = 0; - if (!mISDNport->gsm && mISDNport->l2hold && (mISDNport->ptp || !mISDNport->ntmode)) { + if (!mISDNport->isloopback && mISDNport->l2hold && (mISDNport->ptp || !mISDNport->ntmode)) { +// PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link portnum=%d.\n", mISDNport->portnum); + mISDNport->ml3->to_layer3(mISDNport->ml3, MT_L2ESTABLISH, 0, NULL); + schedule_timer(&mISDNport->l2establish, 5, 0); /* 5 seconds */ + } - PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link portnum=%d.\n", mISDNport->portnum); - mISDNport->ml3->to_layer3(mISDNport->ml3, MT_L2ESTABLISH, 0, NULL); - time(&mISDNport->l2establish); - return(1); - } - } - } + return 0; +} +/* handle frames from bchannel */ +static int b_sock_callback(struct lcr_fd *fd, unsigned int what, void *instance, int i) +{ + struct mISDNport *mISDNport = (struct mISDNport *)instance; + unsigned char buffer[2048+MISDN_HEADER_LEN]; + struct mISDNhead *hh = (struct mISDNhead *)buffer; + int ret; - mISDNport = mISDNport->next; + ret = recv(fd->fd, buffer, sizeof(buffer), 0); + if (ret < 0) { + PERROR("read error frame, errno %d\n", errno); + return 0; + } + if (ret < (int)MISDN_HEADER_LEN) { + PERROR("read short frame, got %d, expected %d\n", ret, (int)MISDN_HEADER_LEN); + return 0; } + switch(hh->prim) { + /* we don't care about confirms, we use rx data to sync tx */ + case PH_DATA_CNF: + break; - /* if we received at least one b-frame, we will return 1 */ - return(work); + /* we receive audio data, we respond to it AND we send tones */ + case PH_DATA_IND: + case DL_DATA_IND: + case PH_DATA_REQ: + case DL_DATA_REQ: + 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", fd->fd); + 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", fd->fd); + 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", fd->fd); + 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, fd->fd, ret-MISDN_HEADER_LEN); + } + + return 0; } +/* process timer events for bchannel handling */ +static int b_timer_timeout(struct lcr_timer *timer, void *instance, int i) +{ + struct mISDNport *mISDNport = (struct mISDNport *)instance; +puts("fires"); + + bchannel_event(mISDNport, i, B_EVENT_TIMEOUT); + + return 0; +} + + int do_layer3(struct mlayer3 *ml3, unsigned int cmd, unsigned int pid, struct l3_msg *l3m) { /* IMPORTAINT: @@ -2000,6 +2063,15 @@ int do_layer3(struct mlayer3 *ml3, unsigned int cmd, unsigned int pid, struct l3 l3m->type = cmd; l3m->pid = pid; mqueue_tail(&mISDNport->upqueue, mb); + if (!upqueue_avail) { + // multiple threads may cause multiple calls of this section, but this + // results only in multiple processing of the upqueue read. + // this is no problem. + upqueue_avail = 1; + char byte = 0; + int ret; + ret = write(upqueue_pipe[1], &byte, 1); + } return 0; } @@ -2027,10 +2099,17 @@ int mISDN_getportbyname(int sock, int cnt, char *portname) /* * global function to add a new card (port) */ -struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt, int te_special, int l1hold, int l2hold, struct interface *interface, int gsm) +struct mISDNport *mISDNport_open(struct interface_port *ifport) { int ret; struct mISDNport *mISDNport, **mISDNportp; + int port = ifport->portnum; + int ptp = ifport->ptp; + int force_nt = ifport->nt; + int l1hold = ifport->l1hold; + int l2hold = ifport->l2hold; + int loop = 0; + int ss5 = ifport->ss5; int i, cnt; int pri, bri, pots; int nt, te; @@ -2038,6 +2117,25 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt struct mISDN_devinfo devinfo; unsigned int protocol, prop; +#if defined WITH_GSM_BS && defined WITH_GSM_MS + loop = ifport->gsm_ms | ifport->gsm_bs; +#else +#ifdef WITH_GSM_BS + loop = ifport->gsm_bs; +#endif +#ifdef WITH_GSM_MS + loop = ifport->gsm_ms; +#endif +#endif +//printf("%s == %s\n", ifport->portname, options.loopback_int); + if (!strcmp(ifport->portname, options.loopback_lcr)) + loop = 1; + + if (loop) { + if (mISDNloop_open()) + return NULL; + } + /* check port counts */ ret = ioctl(mISDNsocket, IMGETCOUNT, &cnt); if (ret < 0) { @@ -2050,12 +2148,12 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt return(NULL); } if (port < 0) { - port = mISDN_getportbyname(mISDNsocket, cnt, portname); + port = mISDN_getportbyname(mISDNsocket, cnt, ifport->portname); if (port < 0) { - if (gsm) - PERROR_RUNTIME("Port name '%s' not found, did you load loopback interface for GSM?.\n", portname); + if (loop) + PERROR_RUNTIME("Port name '%s' not found, did you load loopback interface?.\n", ifport->portname); else - PERROR_RUNTIME("Port name '%s' not found, use 'misdn_info' tool to list all existing ports.\n", portname); + PERROR_RUNTIME("Port name '%s' not found, use 'misdn_info' tool to list all existing ports.\n", ifport->portname); return(NULL); } // note: 'port' has still the port number @@ -2168,22 +2266,35 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt while(*mISDNportp) mISDNportp = &((*mISDNportp)->next); mISDNport = (struct mISDNport *)MALLOC(sizeof(struct mISDNport)); - if (gsm) { - /* gsm audio is always active */ + add_timer(&mISDNport->l2establish, l2establish_timeout, mISDNport, 0); + if (loop | ss5) { + /* loop/ss5 link is always active */ mISDNport->l1link = 1; mISDNport->l2link = 1; } else { mISDNport->l1link = -1; mISDNport->l2link = -1; } - mISDNport->gsm = gsm; +#ifdef WITH_GSM_BS + mISDNport->gsm_bs = ifport->gsm_bs; +#endif +#ifdef WITH_GSM_MS + mISDNport->gsm_ms = ifport->gsm_ms; +#endif + mISDNport->isloopback = loop; pmemuse++; *mISDNportp = mISDNport; /* if pri, must set PTP */ if (pri) ptp = 1; - + + /* set ss5 params */ + if (ss5) { + /* try to keep interface enabled */ + l1hold = 1; + l2hold = 1; + } /* set l2hold */ switch (l2hold) { case -1: // off @@ -2212,24 +2323,24 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt if (l2hold) // supports layer 2 hold prop |= (1 << MISDN_FLG_L2_HOLD); /* open layer 3 and init upqueue */ - if (gsm) { + if (loop) { unsigned long on = 1; struct sockaddr_mISDN addr; if (devinfo.nrbchan < 8) { - PERROR_RUNTIME("GSM port %d must have at least 8 b-channels.\n", port); - mISDNport_close(mISDNport); - return(NULL); + printf("loop port %d has a low number of bchannels. (only %d) remember that all interfaces that requires a loopback could run out of channels\n", port, devinfo.nrbchan); +// mISDNport_close(mISDNport); +// return(NULL); } - if ((mISDNport->lcr_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_NT_S0)) < 0) { - PERROR_RUNTIME("GSM port %d failed to open socket.\n", port); + if ((mISDNport->lcr_sock = socket(PF_ISDN, SOCK_DGRAM, (bri) ? ISDN_P_TE_S0 : ISDN_P_TE_E1)) < 0) { + PERROR_RUNTIME("loop port %d failed to open socket.\n", port); mISDNport_close(mISDNport); return(NULL); } /* set nonblocking io */ if (ioctl(mISDNport->lcr_sock, FIONBIO, &on) < 0) { - PERROR_RUNTIME("GSM port %d failed to set socket into nonblocking io.\n", port); + PERROR_RUNTIME("loop port %d failed to set socket into nonblocking io.\n", port); mISDNport_close(mISDNport); return(NULL); } @@ -2239,7 +2350,7 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt addr.dev = port; addr.channel = 0; if (bind(mISDNport->lcr_sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) { - PERROR_RUNTIME("GSM port %d failed to bind socket. (errno %d)\n", port, errno); + PERROR_RUNTIME("loop port %d failed to bind socket. (errno %d)\n", port, errno); mISDNport_close(mISDNport); return(NULL); } @@ -2251,7 +2362,7 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt mqueue_purge(&mISDNport->upqueue); PERROR_RUNTIME("open_layer3() failed for port %d\n", port); start_trace(port, - interface, + ifport->interface, NULL, NULL, DIRECTION_NONE, @@ -2268,26 +2379,27 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt mISDNport->b_num = devinfo.nrbchan; mISDNport->portnum = port; mISDNport->ntmode = nt; - mISDNport->tespecial = te_special; + mISDNport->tespecial = ifport->tespecial; mISDNport->pri = pri; mISDNport->ptp = ptp; mISDNport->l1hold = l1hold; mISDNport->l2hold = l2hold; + mISDNport->ss5 = ss5; PDEBUG(DEBUG_ISDN, "Port has %d b-channels.\n", mISDNport->b_num); i = 0; while(i < mISDNport->b_num) { mISDNport->b_state[i] = B_STATE_IDLE; - mISDNport->b_socket[i] = -1; + add_timer(&mISDNport->b_timer[i], b_timer_timeout, mISDNport, i); i++; } /* if ptp, pull up the link */ - if (!mISDNport->gsm && mISDNport->l2hold && (mISDNport->ptp || !mISDNport->ntmode)) { + if (!mISDNport->isloopback && mISDNport->l2hold && (mISDNport->ptp || !mISDNport->ntmode)) { mISDNport->ml3->to_layer3(mISDNport->ml3, MT_L2ESTABLISH, 0, NULL); l1l2l3_trace_header(mISDNport, NULL, L2_ESTABLISH_REQ, DIRECTION_OUT); add_trace("tei", NULL, "%d", 0); end_trace(); - time(&mISDNport->l2establish); + schedule_timer(&mISDNport->l2establish, 5, 0); /* 5 seconds */ } /* for nt-mode ptmp the link is always up */ @@ -2297,7 +2409,7 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt PDEBUG(DEBUG_BCHANNEL, "using 'mISDN_dsp.o' module\n"); start_trace(mISDNport->portnum, - interface, + ifport->interface, NULL, NULL, DIRECTION_NONE, @@ -2306,12 +2418,33 @@ struct mISDNport *mISDNport_open(int port, char *portname, int ptp, int force_nt "PORT (open)"); add_trace("mode", NULL, (mISDNport->ntmode)?"network":"terminal"); add_trace("channels", NULL, "%d", mISDNport->b_num); + if (mISDNport->ss5) + add_trace("ccitt#5", NULL, "enabled"); end_trace(); + return(mISDNport); } /* + * load static port instances, if required by mISDNport + */ +void mISDNport_static(struct mISDNport *mISDNport) +{ + int i; + + i = 0; + while(i < mISDNport->b_num) { +#ifdef WITH_SS5 + if (mISDNport->ss5) + ss5_create_channel(mISDNport, i); +#endif + i++; + } +} + + +/* * function to free ALL cards (ports) */ void mISDNport_close_all(void) @@ -2332,13 +2465,15 @@ void mISDNport_close(struct mISDNport *mISDNport) int i; /* remove all port instance that are linked to this mISDNport */ + again: port = port_first; while(port) { if ((port->p_type&PORT_CLASS_MASK) == PORT_CLASS_mISDN) { isdnport = (class PmISDN *)port; - if (isdnport->p_m_mISDNport) { + if (isdnport->p_m_mISDNport && isdnport->p_m_mISDNport == mISDNport) { PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", isdnport->p_name, mISDNport->portnum); delete isdnport; + goto again; } } port = port->next; @@ -2360,25 +2495,29 @@ void mISDNport_close(struct mISDNport *mISDNport) /* free bchannels */ i = 0; while(i < mISDNport->b_num) { - if (mISDNport->b_socket[i] > -1) { + if (mISDNport->b_sock[i].inuse) { _bchannel_destroy(mISDNport, i); PDEBUG(DEBUG_BCHANNEL, "freeing %s port %d bchannel (index %d).\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, i); } + if (mISDNport->b_timer[i].inuse) { + del_timer(&mISDNport->b_timer[i]); + } i++; } + del_timer(&mISDNport->l2establish); /* close layer 3, if open */ - if (!mISDNport->gsm && mISDNport->ml3) { + if (!mISDNport->isloopback && mISDNport->ml3) { close_layer3(mISDNport->ml3); } /* close gsm socket, if open */ - if (mISDNport->gsm && mISDNport->lcr_sock > -1) { + if (mISDNport->isloopback && mISDNport->lcr_sock > -1) { close(mISDNport->lcr_sock); } /* purge upqueue */ - if (!mISDNport->gsm) + if (!mISDNport->isloopback) mqueue_purge(&mISDNport->upqueue); /* remove from list */ @@ -2418,21 +2557,22 @@ void PmISDN::txfromup(unsigned char *data, int length) /* check if high priority tones exist * ignore data in this case */ - if (p_tone_name[0] || p_m_crypt_msg_loops) + if (p_tone_name[0] || p_m_crypt_msg_loops || p_m_inband_send_on) return; /* preload procedure * 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) { + if (p_m_load == 0 && ISDN_LOAD > 0) { hh->prim = PH_DATA_REQ; hh->id = 0; memset(buf+MISDN_HEADER_LEN, (options.law=='a')?0x2a:0xff, ISDN_LOAD); - ret = sendto(p_m_mISDNport->b_socket[p_m_b_index], buf, MISDN_HEADER_LEN+ISDN_LOAD, 0, NULL, 0); + ret = sendto(p_m_mISDNport->b_sock[p_m_b_index].fd, buf, MISDN_HEADER_LEN+ISDN_LOAD, 0, NULL, 0); if (ret <= 0) - PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_socket[p_m_b_index]); + PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_sock[p_m_b_index].fd); p_m_load += ISDN_LOAD; + schedule_timer(&p_m_loadtimer, 0, ISDN_TRANSMIT*125); } /* drop if load would exceed ISDN_MAXLOAD @@ -2445,9 +2585,71 @@ void PmISDN::txfromup(unsigned char *data, int length) hh->prim = PH_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); + ret = sendto(p_m_mISDNport->b_sock[p_m_b_index].fd, buf, MISDN_HEADER_LEN+length, 0, NULL, 0); if (ret <= 0) - PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_socket[p_m_b_index]); + PERROR("Failed to send to socket %d\n", p_m_mISDNport->b_sock[p_m_b_index].fd); p_m_load += length; } +int PmISDN::inband_send(unsigned char *buffer, int len) +{ + PERROR("this function must be derived to function!\n"); + return 0; +} + +void PmISDN::inband_send_on(void) +{ + PDEBUG(DEBUG_PORT, "turning inband signalling send on.\n"); + p_m_inband_send_on = 1; + /* trigger inband transmit */ + update_load(); +} + +void PmISDN::inband_send_off(void) +{ + PDEBUG(DEBUG_PORT, "turning inband signalling send off.\n"); + p_m_inband_send_on = 0; +} + +void PmISDN::inband_receive(unsigned char *buffer, int len) +{ +// +// if (len >= SS5_DECODER_NPOINTS) +// ss5_decode(buffer, SS5_DECODER_NPOINTS); + PERROR("this function must be derived to function!\n"); +} + +void PmISDN::inband_receive_on(void) +{ + /* this must work during constructor, see ss5.cpp */ + PDEBUG(DEBUG_PORT, "turning inband signalling receive on.\n"); + p_m_inband_receive_on = 1; + update_rxoff(); +} + +void PmISDN::inband_receive_off(void) +{ + PDEBUG(DEBUG_PORT, "turning inband signalling receive off.\n"); + p_m_inband_receive_on = 0; + update_rxoff(); +} + +void PmISDN::mute_on(void) +{ + if (p_m_mute) + return; + PDEBUG(DEBUG_PORT, "turning mute on.\n"); + p_m_mute = 1; + set_conf(p_m_conf, 0); +} + +void PmISDN::mute_off(void) +{ + if (!p_m_mute) + return; + PDEBUG(DEBUG_PORT, "turning mute off.\n"); + p_m_mute = 0; + set_conf(0, p_m_conf); +} + +