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00023 #include <syslog.h>
00024 #include <sys/time.h>
00025 #include <mISDNuser/isdn_debug.h>
00026
00027 #include "isdn_lib_intern.h"
00028 #include "isdn_lib.h"
00029
00030 enum event_response_e (*cb_event)(enum event_e event, struct misdn_bchannel *bc, void *user_data);
00031
00032 void (*cb_log)(int level, int port, char *tmpl, ...)
00033 __attribute__ ((format (printf, 3, 4)));
00034
00035 int (*cb_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len);
00036
00037
00038
00039
00040
00041
00042 #define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
00043
00044 #include "asterisk/causes.h"
00045
00046 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id);
00047 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id);
00048
00049 int queue_cleanup_bc(struct misdn_bchannel *bc) ;
00050
00051 int misdn_lib_get_l2_up(struct misdn_stack *stack);
00052
00053 struct misdn_stack *get_misdn_stack(void);
00054
00055 int misdn_lib_port_is_pri(int port)
00056 {
00057 struct misdn_stack *stack=get_misdn_stack();
00058 for ( ; stack; stack=stack->next) {
00059 if (stack->port == port) {
00060 return stack->pri;
00061 }
00062 }
00063
00064 return -1;
00065 }
00066
00067 int misdn_lib_port_is_nt(int port)
00068 {
00069 struct misdn_stack *stack=get_misdn_stack();
00070 for ( ; stack; stack=stack->next) {
00071 if (stack->port == port) {
00072 return stack->nt;
00073 }
00074 }
00075
00076 return -1;
00077 }
00078
00079 void misdn_make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel)
00080 {
00081 memset (dummybc,0,sizeof(struct misdn_bchannel));
00082 dummybc->port=port;
00083 if (l3id==0)
00084 dummybc->l3_id = MISDN_ID_DUMMY;
00085 else
00086 dummybc->l3_id=l3id;
00087
00088 dummybc->nt=nt;
00089 dummybc->dummy=1;
00090 dummybc->channel=channel;
00091 }
00092
00093 int misdn_lib_port_block(int port)
00094 {
00095 struct misdn_stack *stack=get_misdn_stack();
00096 for ( ; stack; stack=stack->next) {
00097 if (stack->port == port) {
00098 stack->blocked=1;
00099 return 0;
00100 }
00101 }
00102 return -1;
00103
00104 }
00105
00106 int misdn_lib_port_unblock(int port)
00107 {
00108 struct misdn_stack *stack=get_misdn_stack();
00109 for ( ; stack; stack=stack->next) {
00110 if (stack->port == port) {
00111 stack->blocked=0;
00112 return 0;
00113 }
00114 }
00115 return -1;
00116
00117 }
00118
00119 int misdn_lib_is_port_blocked(int port)
00120 {
00121 struct misdn_stack *stack=get_misdn_stack();
00122 for ( ; stack; stack=stack->next) {
00123 if (stack->port == port) {
00124 return stack->blocked;
00125 }
00126 }
00127 return -1;
00128 }
00129
00130 int misdn_lib_is_ptp(int port)
00131 {
00132 struct misdn_stack *stack=get_misdn_stack();
00133 for ( ; stack; stack=stack->next) {
00134 if (stack->port == port) return stack->ptp;
00135 }
00136 return -1;
00137 }
00138
00139 int misdn_lib_get_maxchans(int port)
00140 {
00141 struct misdn_stack *stack=get_misdn_stack();
00142 for ( ; stack; stack=stack->next) {
00143 if (stack->port == port) {
00144 if (stack->pri)
00145 return 30;
00146 else
00147 return 2;
00148 }
00149 }
00150 return -1;
00151 }
00152
00153
00154 struct misdn_stack *get_stack_by_bc(struct misdn_bchannel *bc)
00155 {
00156 struct misdn_stack *stack = get_misdn_stack();
00157
00158 if (!bc)
00159 return NULL;
00160
00161 for ( ; stack; stack = stack->next) {
00162 if (bc->port == stack->port)
00163 return stack;
00164 }
00165
00166 return NULL;
00167 }
00168
00169
00170 void get_show_stack_details(int port, char *buf)
00171 {
00172 struct misdn_stack *stack = get_misdn_stack();
00173
00174 for (; stack; stack = stack->next) {
00175 if (stack->port == port) {
00176 break;
00177 }
00178 }
00179
00180 if (stack) {
00181 sprintf(buf, "* Port %2d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d",
00182 stack->port,
00183 stack->nt ? "NT" : "TE",
00184 stack->ptp ? "PTP" : "PMP",
00185 stack->l2link ? "UP " : "DOWN",
00186 stack->l1link ? "UP " : "DOWN",
00187 stack->blocked);
00188 } else {
00189 buf[0] = 0;
00190 }
00191 }
00192
00193
00194 static int nt_err_cnt =0 ;
00195
00196 enum global_states {
00197 MISDN_INITIALIZING,
00198 MISDN_INITIALIZED
00199 } ;
00200
00201 static enum global_states global_state=MISDN_INITIALIZING;
00202
00203
00204 #include <mISDNuser/net_l2.h>
00205 #include <mISDNuser/tone.h>
00206 #include <unistd.h>
00207 #include <semaphore.h>
00208 #include <pthread.h>
00209 #include <signal.h>
00210
00211 #include "isdn_lib.h"
00212
00213
00214 struct misdn_lib {
00215
00216 int midev;
00217 int midev_nt;
00218
00219 pthread_t event_thread;
00220 pthread_t event_handler_thread;
00221
00222 void *user_data;
00223
00224 msg_queue_t upqueue;
00225 msg_queue_t activatequeue;
00226
00227 sem_t new_msg;
00228
00229 struct misdn_stack *stack_list;
00230 } ;
00231
00232 #ifndef ECHOCAN_ON
00233 #define ECHOCAN_ON 123
00234 #define ECHOCAN_OFF 124
00235 #endif
00236
00237 #define MISDN_DEBUG 0
00238
00239 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
00240
00241 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
00242
00243 int setup_bc(struct misdn_bchannel *bc);
00244
00245 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
00246
00247 int misdn_lib_port_restart(int port);
00248 int misdn_lib_pid_restart(int pid);
00249
00250 extern struct isdn_msg msgs_g[];
00251
00252 #define ISDN_PID_L3_B_USER 0x430000ff
00253 #define ISDN_PID_L4_B_USER 0x440000ff
00254
00255
00256 #define MISDN_IBUF_SIZE 512
00257
00258
00259 #define TONE_ALERT_CNT 41
00260 #define TONE_ALERT_SILENCE_CNT 200
00261
00262 #define TONE_BUSY_CNT 20
00263 #define TONE_BUSY_SILENCE_CNT 48
00264
00265 static int entity;
00266
00267 static struct misdn_lib *glob_mgr;
00268
00269 static char tone_425_flip[TONE_425_SIZE];
00270 static char tone_silence_flip[TONE_SILENCE_SIZE];
00271
00272 static void misdn_lib_isdn_event_catcher(void *arg);
00273 static int handle_event_nt(void *dat, void *arg);
00274
00275
00276 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder);
00277 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder);
00278 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id);
00279
00280
00281
00282 void te_lib_destroy(int midev) ;
00283 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
00284 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
00285 void manager_clean_bc(struct misdn_bchannel *bc );
00286 void manager_bchannel_setup (struct misdn_bchannel *bc);
00287 void manager_bchannel_cleanup (struct misdn_bchannel *bc);
00288
00289 void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size);
00290
00291 int bchdev_echocancel_activate(struct misdn_bchannel* dev);
00292 void bchdev_echocancel_deactivate(struct misdn_bchannel* dev);
00293
00294
00295
00296 static char *bearer2str(int cap) {
00297 static char *bearers[]={
00298 "Speech",
00299 "Audio 3.1k",
00300 "Unres Digital",
00301 "Res Digital",
00302 "Unknown Bearer"
00303 };
00304
00305 switch (cap) {
00306 case INFO_CAPABILITY_SPEECH:
00307 return bearers[0];
00308 break;
00309 case INFO_CAPABILITY_AUDIO_3_1K:
00310 return bearers[1];
00311 break;
00312 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00313 return bearers[2];
00314 break;
00315 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00316 return bearers[3];
00317 break;
00318 default:
00319 return bearers[4];
00320 break;
00321 }
00322 }
00323
00324
00325 static char flip_table[256];
00326
00327 static void init_flip_bits(void)
00328 {
00329 int i,k;
00330
00331 for (i = 0 ; i < 256 ; i++) {
00332 unsigned char sample = 0 ;
00333 for (k = 0; k<8; k++) {
00334 if ( i & 1 << k ) sample |= 0x80 >> k;
00335 }
00336 flip_table[i] = sample;
00337 }
00338 }
00339
00340 static char * flip_buf_bits ( char * buf , int len)
00341 {
00342 int i;
00343 char * start = buf;
00344
00345 for (i = 0 ; i < len; i++) {
00346 buf[i] = flip_table[(unsigned char)buf[i]];
00347 }
00348
00349 return start;
00350 }
00351
00352
00353
00354
00355 static msg_t *create_l2msg(int prim, int dinfo, int size)
00356 {
00357 int i = 0;
00358 msg_t *dmsg;
00359
00360 while(i < 10)
00361 {
00362 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00363 if (dmsg)
00364 return(dmsg);
00365
00366 if (!i)
00367 printf("cannot allocate memory, trying again...\n");
00368 i++;
00369 usleep(300000);
00370 }
00371 printf("cannot allocate memory, system overloaded.\n");
00372 exit(-1);
00373 }
00374
00375
00376
00377 msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode)
00378 {
00379 int i = 0;
00380 msg_t *dmsg;
00381 Q931_info_t *qi;
00382 iframe_t *frm;
00383
00384 if (!ntmode)
00385 size = sizeof(Q931_info_t)+2;
00386
00387 while(i < 10) {
00388 if (ntmode) {
00389 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00390 if (dmsg) {
00391 return(dmsg);
00392 }
00393 } else {
00394 dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00395 if (dmsg)
00396 {
00397 memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00398 frm = (iframe_t *)dmsg->data;
00399 frm->prim = prim;
00400 frm->dinfo = dinfo;
00401 qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00402 qi->type = mt;
00403 return(dmsg);
00404 }
00405 }
00406
00407 if (!i) printf("cannot allocate memory, trying again...\n");
00408 i++;
00409 usleep(300000);
00410 }
00411 printf("cannot allocate memory, system overloaded.\n");
00412 exit(-1);
00413 }
00414
00415
00416 static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
00417 {
00418 iframe_t *frm = (iframe_t *)dmsg->data;
00419 struct misdn_stack *stack=get_stack_by_bc(bc);
00420
00421 if (!stack) {
00422 cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00423 return -1;
00424 }
00425
00426 frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00427 frm->dinfo = bc->l3_id;
00428 frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00429
00430 cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00431
00432 mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00433 free_msg(dmsg);
00434
00435 return 0;
00436 }
00437
00438
00439 static int mypid=1;
00440
00441
00442 int misdn_cap_is_speech(int cap)
00443
00444 {
00445 if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00446 (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00447 return 0;
00448 }
00449
00450 int misdn_inband_avail(struct misdn_bchannel *bc)
00451 {
00452
00453 if (!bc->early_bconnect) {
00454
00455 return 0;
00456 }
00457
00458 switch (bc->progress_indicator) {
00459 case INFO_PI_INBAND_AVAILABLE:
00460 case INFO_PI_CALL_NOT_E2E_ISDN:
00461 case INFO_PI_CALLED_NOT_ISDN:
00462 return 1;
00463 default:
00464 return 0;
00465 }
00466 return 0;
00467 }
00468
00469
00470 static void dump_chan_list(struct misdn_stack *stack)
00471 {
00472 int i;
00473
00474 for (i = 0; i <= stack->b_num; ++i) {
00475 cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",
00476 i, stack->channels[i], stack->bc[i].in_use, i + 1);
00477 }
00478 #if defined(AST_MISDN_ENHANCEMENTS)
00479 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
00480 if (stack->bc[i].in_use) {
00481 cb_log(6, stack->port, "Idx:%d stack->cchan:%d REGISTER Chan:%d in_use\n",
00482 i, stack->channels[i], i + 1);
00483 }
00484 }
00485 #endif
00486 }
00487
00488
00489 void misdn_dump_chanlist(void)
00490 {
00491 struct misdn_stack *stack=get_misdn_stack();
00492 for ( ; stack; stack=stack->next) {
00493 dump_chan_list(stack);
00494 }
00495
00496 }
00497
00498 static int set_chan_in_stack(struct misdn_stack *stack, int channel)
00499 {
00500 cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00501 dump_chan_list(stack);
00502 if (1 <= channel && channel <= ARRAY_LEN(stack->channels)) {
00503 if (!stack->channels[channel-1])
00504 stack->channels[channel-1] = 1;
00505 else {
00506 cb_log(4,stack->port,"channel already in use:%d\n", channel );
00507 return -1;
00508 }
00509 } else {
00510 cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00511 return -1;
00512 }
00513
00514 return 0;
00515 }
00516
00517
00518
00519 static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
00520 {
00521 int i;
00522 int chan = 0;
00523 int bnums;
00524
00525 if (bc->channel_found) {
00526 return 0;
00527 }
00528
00529 bc->channel_found = 1;
00530
00531 #if defined(AST_MISDN_ENHANCEMENTS)
00532 if (bc->is_register_pool) {
00533 pthread_mutex_lock(&stack->st_lock);
00534 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->channels); ++i) {
00535 if (!stack->channels[i]) {
00536 chan = i + 1;
00537 cb_log(3, stack->port, " --> found REGISTER chan: %d\n", chan);
00538 break;
00539 }
00540 }
00541 } else
00542 #endif
00543 {
00544 cb_log(5, stack->port, "find_free_chan: req_chan:%d\n", channel);
00545
00546 if (channel < 0 || channel > MAX_BCHANS) {
00547 cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00548 return 0;
00549 }
00550
00551 --channel;
00552
00553 pthread_mutex_lock(&stack->st_lock);
00554 bnums = stack->pri ? stack->b_num : stack->b_num - 1;
00555 if (dec) {
00556 for (i = bnums; i >= 0; --i) {
00557 if (i != 15 && (channel < 0 || i == channel)) {
00558 if (!stack->channels[i]) {
00559 chan = i + 1;
00560 cb_log(3, stack->port, " --> found chan%s: %d\n", channel >= 0 ? " (preselected)" : "", chan);
00561 break;
00562 }
00563 }
00564 }
00565 } else {
00566 for (i = 0; i <= bnums; ++i) {
00567 if (i != 15 && (channel < 0 || i == channel)) {
00568 if (!stack->channels[i]) {
00569 chan = i + 1;
00570 cb_log(3, stack->port, " --> found chan%s: %d\n", channel >= 0 ? " (preselected)" : "", chan);
00571 break;
00572 }
00573 }
00574 }
00575 }
00576 }
00577
00578 if (!chan) {
00579 pthread_mutex_unlock(&stack->st_lock);
00580 cb_log(1, stack->port, " !! NO FREE CHAN IN STACK\n");
00581 dump_chan_list(stack);
00582 bc->out_cause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION;
00583 return -1;
00584 }
00585
00586 if (set_chan_in_stack(stack, chan) < 0) {
00587 pthread_mutex_unlock(&stack->st_lock);
00588 cb_log(0, stack->port, "Channel Already in use:%d\n", chan);
00589 bc->out_cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL;
00590 return -1;
00591 }
00592 pthread_mutex_unlock(&stack->st_lock);
00593
00594 bc->channel = chan;
00595 return 0;
00596 }
00597
00598
00599
00600
00601
00602
00603
00604
00605
00606
00607
00608
00609
00610
00611 static void empty_chan_in_stack(struct misdn_stack *stack, int channel)
00612 {
00613 if (channel < 1 || ARRAY_LEN(stack->channels) < channel) {
00614 cb_log(0, stack->port, "empty_chan_in_stack: cannot empty channel %d\n", channel);
00615 return;
00616 }
00617
00618 cb_log(4, stack->port, "empty_chan_in_stack: %d\n", channel);
00619 stack->channels[channel - 1] = 0;
00620 dump_chan_list(stack);
00621 }
00622
00623 char *bc_state2str(enum bchannel_state state) {
00624 int i;
00625
00626 struct bchan_state_s {
00627 char *n;
00628 enum bchannel_state s;
00629 } states[] = {
00630 {"BCHAN_CLEANED", BCHAN_CLEANED },
00631 {"BCHAN_EMPTY", BCHAN_EMPTY},
00632 {"BCHAN_SETUP", BCHAN_SETUP},
00633 {"BCHAN_SETUPED", BCHAN_SETUPED},
00634 {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00635 {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00636 {"BCHAN_BRIDGE", BCHAN_BRIDGE},
00637 {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00638 {"BCHAN_RELEASE", BCHAN_RELEASE},
00639 {"BCHAN_RELEASED", BCHAN_RELEASED},
00640 {"BCHAN_CLEAN", BCHAN_CLEAN},
00641 {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00642 {"BCHAN_ERROR", BCHAN_ERROR}
00643 };
00644
00645 for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00646 if ( states[i].s == state)
00647 return states[i].n;
00648
00649 return "UNKNOWN";
00650 }
00651
00652 void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00653 {
00654 cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00655 bc->l3_id,
00656 bc_state2str(bc->bc_state),
00657 bc_state2str(state) );
00658
00659 switch (state) {
00660 case BCHAN_ACTIVATED:
00661 if (bc->next_bc_state == BCHAN_BRIDGED) {
00662 misdn_join_conf(bc, bc->conf_id);
00663 bc->next_bc_state = BCHAN_EMPTY;
00664 return;
00665 }
00666 default:
00667 bc->bc_state=state;
00668 break;
00669 }
00670 }
00671
00672 static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00673 {
00674 cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00675 bc_state2str(bc->next_bc_state),
00676 bc_state2str(state) );
00677
00678 bc->next_bc_state=state;
00679 }
00680
00681
00682
00683
00684
00685
00686
00687
00688
00689
00690
00691
00692 static void empty_bc(struct misdn_bchannel *bc)
00693 {
00694 bc->caller.presentation = 0;
00695 bc->caller.number_plan = NUMPLAN_ISDN;
00696 bc->caller.number_type = NUMTYPE_UNKNOWN;
00697 bc->caller.name[0] = 0;
00698 bc->caller.number[0] = 0;
00699 bc->caller.subaddress[0] = 0;
00700
00701 bc->connected.presentation = 0;
00702 bc->connected.number_plan = NUMPLAN_ISDN;
00703 bc->connected.number_type = NUMTYPE_UNKNOWN;
00704 bc->connected.name[0] = 0;
00705 bc->connected.number[0] = 0;
00706 bc->connected.subaddress[0] = 0;
00707
00708 bc->redirecting.from.presentation = 0;
00709 bc->redirecting.from.number_plan = NUMPLAN_ISDN;
00710 bc->redirecting.from.number_type = NUMTYPE_UNKNOWN;
00711 bc->redirecting.from.name[0] = 0;
00712 bc->redirecting.from.number[0] = 0;
00713 bc->redirecting.from.subaddress[0] = 0;
00714
00715 bc->redirecting.to.presentation = 0;
00716 bc->redirecting.to.number_plan = NUMPLAN_ISDN;
00717 bc->redirecting.to.number_type = NUMTYPE_UNKNOWN;
00718 bc->redirecting.to.name[0] = 0;
00719 bc->redirecting.to.number[0] = 0;
00720 bc->redirecting.to.subaddress[0] = 0;
00721
00722 bc->redirecting.reason = mISDN_REDIRECTING_REASON_UNKNOWN;
00723 bc->redirecting.count = 0;
00724 bc->redirecting.to_changed = 0;
00725
00726 bc->dummy=0;
00727
00728 bc->bframe_len=0;
00729
00730 bc->cw= 0;
00731
00732 bc->dec=0;
00733 bc->channel = 0;
00734
00735 bc->sending_complete = 0;
00736
00737 bc->restart_channel=0;
00738
00739 bc->conf_id = 0;
00740
00741 bc->need_more_infos = 0;
00742
00743 bc->send_dtmf=0;
00744 bc->nodsp=0;
00745 bc->nojitter=0;
00746
00747 bc->time_usec=0;
00748
00749 bc->rxgain=0;
00750 bc->txgain=0;
00751
00752 bc->crypt=0;
00753 bc->curptx=0; bc->curprx=0;
00754
00755 bc->crypt_key[0] = 0;
00756
00757 bc->generate_tone=0;
00758 bc->tone_cnt=0;
00759
00760 bc->active = 0;
00761
00762 bc->early_bconnect = 1;
00763
00764 #ifdef MISDN_1_2
00765 *bc->pipeline = 0;
00766 #else
00767 bc->ec_enable = 0;
00768 bc->ec_deftaps = 128;
00769 #endif
00770
00771 bc->AOCD_need_export = 0;
00772
00773 bc->orig=0;
00774
00775 bc->cause = AST_CAUSE_NORMAL_CLEARING;
00776 bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
00777
00778 bc->display_connected = 0;
00779 bc->display_setup = 0;
00780
00781 bc->outgoing_colp = 0;
00782
00783 bc->presentation = 0;
00784 bc->set_presentation = 0;
00785
00786 bc->notify_description_code = mISDN_NOTIFY_CODE_INVALID;
00787
00788 bc->evq=EVENT_NOTHING;
00789
00790 bc->progress_coding=0;
00791 bc->progress_location=0;
00792 bc->progress_indicator=0;
00793
00794 #if defined(AST_MISDN_ENHANCEMENTS)
00795 bc->div_leg_3_rx_wanted = 0;
00796 bc->div_leg_3_tx_pending = 0;
00797 #endif
00798
00799
00800 bc->capability=INFO_CAPABILITY_SPEECH;
00801 bc->law=INFO_CODEC_ALAW;
00802 bc->mode=0;
00803 bc->rate=0x10;
00804 bc->user1=0;
00805 bc->urate=0;
00806
00807 bc->hdlc=0;
00808
00809 bc->dialed.number_plan = NUMPLAN_ISDN;
00810 bc->dialed.number_type = NUMTYPE_UNKNOWN;
00811 bc->dialed.number[0] = 0;
00812 bc->dialed.subaddress[0] = 0;
00813
00814 bc->info_dad[0] = 0;
00815 bc->display[0] = 0;
00816 bc->infos_pending[0] = 0;
00817 bc->uu[0]=0;
00818 bc->uulen=0;
00819
00820 bc->fac_in.Function = Fac_None;
00821 bc->fac_out.Function = Fac_None;
00822
00823 bc->te_choose_channel = 0;
00824 bc->channel_found= 0;
00825
00826 gettimeofday(&bc->last_used, NULL);
00827 }
00828
00829
00830 static int clean_up_bc(struct misdn_bchannel *bc)
00831 {
00832 int ret=0;
00833 unsigned char buff[32];
00834 struct misdn_stack * stack;
00835
00836 cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00837
00838 if (!bc ) return -1;
00839 stack=get_stack_by_bc(bc);
00840
00841 if (!stack) return -1;
00842
00843 switch (bc->bc_state ) {
00844 case BCHAN_CLEANED:
00845 cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00846 return -1;
00847
00848 default:
00849 break;
00850 }
00851
00852 cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00853
00854 manager_ec_disable(bc);
00855
00856 manager_bchannel_deactivate(bc);
00857
00858 mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00859
00860 bc->b_stid = 0;
00861 bc_state_change(bc, BCHAN_CLEANED);
00862
00863 return ret;
00864 }
00865
00866
00867
00868 static void clear_l3(struct misdn_stack *stack)
00869 {
00870 int i;
00871
00872 if (global_state == MISDN_INITIALIZED) {
00873 for (i = 0; i <= stack->b_num; ++i) {
00874 cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00875 empty_bc(&stack->bc[i]);
00876 clean_up_bc(&stack->bc[i]);
00877 empty_chan_in_stack(stack, i + 1);
00878 stack->bc[i].in_use = 0;
00879 }
00880 #if defined(AST_MISDN_ENHANCEMENTS)
00881 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
00882 empty_bc(&stack->bc[i]);
00883 empty_chan_in_stack(stack, i + 1);
00884 stack->bc[i].in_use = 0;
00885 }
00886 #endif
00887 }
00888 }
00889
00890 static int new_te_id = 0;
00891
00892 static int misdn_lib_get_l1_down(struct misdn_stack *stack)
00893 {
00894
00895 iframe_t act;
00896 act.prim = PH_DEACTIVATE | REQUEST;
00897 act.addr = stack->lower_id|FLG_MSG_DOWN;
00898 act.dinfo = 0;
00899 act.len = 0;
00900
00901 cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00902 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00903 }
00904
00905
00906 static int misdn_lib_get_l2_down(struct misdn_stack *stack)
00907 {
00908
00909 if (stack->ptp && (stack->nt) ) {
00910 msg_t *dmsg;
00911
00912 dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00913
00914 pthread_mutex_lock(&stack->nstlock);
00915 if (stack->nst.manager_l3(&stack->nst, dmsg))
00916 free_msg(dmsg);
00917 pthread_mutex_unlock(&stack->nstlock);
00918 } else {
00919 iframe_t act;
00920
00921 act.prim = DL_RELEASE| REQUEST;
00922 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00923
00924 act.dinfo = 0;
00925 act.len = 0;
00926 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00927 }
00928
00929 return 0;
00930 }
00931
00932
00933 static int misdn_lib_get_l1_up(struct misdn_stack *stack)
00934 {
00935
00936 iframe_t act;
00937 act.prim = PH_ACTIVATE | REQUEST;
00938 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00939
00940
00941 act.dinfo = 0;
00942 act.len = 0;
00943
00944 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00945
00946 }
00947
00948 int misdn_lib_get_l2_up(struct misdn_stack *stack)
00949 {
00950
00951 if (stack->ptp && (stack->nt) ) {
00952 msg_t *dmsg;
00953
00954 dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00955
00956 pthread_mutex_lock(&stack->nstlock);
00957 if (stack->nst.manager_l3(&stack->nst, dmsg))
00958 free_msg(dmsg);
00959 pthread_mutex_unlock(&stack->nstlock);
00960 } else {
00961 iframe_t act;
00962
00963 act.prim = DL_ESTABLISH | REQUEST;
00964 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00965
00966 act.dinfo = 0;
00967 act.len = 0;
00968 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00969 }
00970
00971 return 0;
00972 }
00973
00974 #if 0
00975 static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack)
00976 {
00977 iframe_t act;
00978
00979 act.prim = DL_ESTABLISH | REQUEST;
00980 act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
00981
00982 act.dinfo = 0;
00983 act.len = 0;
00984 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00985 return 0;
00986 }
00987 #endif
00988
00989 static int misdn_lib_get_short_status(struct misdn_stack *stack)
00990 {
00991 iframe_t act;
00992
00993
00994 act.prim = MGR_SHORTSTATUS | REQUEST;
00995
00996 act.addr = (stack->upper_id | MSG_BROADCAST) ;
00997
00998 act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00999
01000 act.len = 0;
01001 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
01002 }
01003
01004
01005
01006 static int create_process(int midev, struct misdn_bchannel *bc)
01007 {
01008 iframe_t ncr;
01009 int l3_id;
01010 int proc_id;
01011 struct misdn_stack *stack;
01012
01013 stack = get_stack_by_bc(bc);
01014 if (stack->nt) {
01015 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0) < 0) {
01016 return -1;
01017 }
01018 cb_log(4, stack->port, " --> found channel: %d\n", bc->channel);
01019
01020 for (proc_id = 0; proc_id < MAXPROCS; ++proc_id) {
01021 if (stack->procids[proc_id] == 0) {
01022 break;
01023 }
01024 }
01025 if (proc_id == MAXPROCS) {
01026 cb_log(0, stack->port, "Couldn't Create New ProcId.\n");
01027 return -1;
01028 }
01029
01030 stack->procids[proc_id] = 1;
01031
01032 l3_id = 0xff00 | proc_id;
01033 bc->l3_id = l3_id;
01034 cb_log(3, stack->port, " --> new_l3id %x\n", l3_id);
01035 } else {
01036 if ((stack->pri && stack->ptp) || bc->te_choose_channel) {
01037
01038 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, bc->dec) < 0) {
01039 return -1;
01040 }
01041 cb_log(2, stack->port, " --> found channel: %d\n", bc->channel);
01042 } else {
01043
01044 bc->channel = 0xff;
01045 }
01046
01047
01048 if (++new_te_id > 0xffff) {
01049 new_te_id = 0x0001;
01050 }
01051
01052 l3_id = (entity << 16) | new_te_id;
01053 bc->l3_id = l3_id;
01054 cb_log(3, stack->port, "--> new_l3id %x\n", l3_id);
01055
01056
01057 ncr.prim = CC_NEW_CR | REQUEST;
01058 ncr.addr = (stack->upper_id | FLG_MSG_DOWN);
01059 ncr.dinfo = l3_id;
01060 ncr.len = 0;
01061 mISDN_write(midev, &ncr, mISDN_HEADER_LEN + ncr.len, TIMEOUT_1SEC);
01062 }
01063
01064 return l3_id;
01065 }
01066
01067
01068 void misdn_lib_setup_bc(struct misdn_bchannel *bc)
01069 {
01070 clean_up_bc(bc);
01071 setup_bc(bc);
01072 }
01073
01074
01075 int setup_bc(struct misdn_bchannel *bc)
01076 {
01077 unsigned char buff[1025];
01078 int midev;
01079 int channel;
01080 int b_stid;
01081 int i;
01082 mISDN_pid_t pid;
01083 int ret;
01084
01085 struct misdn_stack *stack=get_stack_by_bc(bc);
01086
01087 if (!stack) {
01088 cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
01089 return -1;
01090 }
01091
01092 midev = stack->midev;
01093 channel = bc->channel - 1 - (bc->channel > 16);
01094 b_stid = stack->b_stids[channel >= 0 ? channel : 0];
01095
01096 switch (bc->bc_state) {
01097 case BCHAN_CLEANED:
01098 break;
01099 default:
01100 cb_log(4, stack->port, "$$$ bc already setup stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
01101 return -1;
01102 }
01103
01104 cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
01105
01106
01107 for (i=0; i <= stack->b_num; i++) {
01108 if (stack->bc[i].b_stid == b_stid) {
01109 cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
01110 return -1;
01111 }
01112 }
01113
01114 if (b_stid <= 0) {
01115 cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
01116
01117 bc_state_change(bc,BCHAN_ERROR);
01118 return 1;
01119 }
01120
01121 bc->b_stid = b_stid;
01122
01123 {
01124 layer_info_t li;
01125 memset(&li, 0, sizeof(li));
01126
01127 li.object_id = -1;
01128 li.extentions = 0;
01129
01130 li.st = bc->b_stid;
01131
01132
01133 #define MISDN_DSP
01134 #ifndef MISDN_DSP
01135 bc->nodsp=1;
01136 #endif
01137 if ( bc->hdlc || bc->nodsp) {
01138 cb_log(4, stack->port,"setup_bc: without dsp\n");
01139 {
01140 int l = sizeof(li.name);
01141 strncpy(li.name, "B L3", l);
01142 li.name[l-1] = 0;
01143 }
01144 li.pid.layermask = ISDN_LAYER((3));
01145 li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01146
01147 bc->layer=3;
01148 } else {
01149 cb_log(4, stack->port,"setup_bc: with dsp\n");
01150 {
01151 int l = sizeof(li.name);
01152 strncpy(li.name, "B L4", l);
01153 li.name[l-1] = 0;
01154 }
01155 li.pid.layermask = ISDN_LAYER((4));
01156 li.pid.protocol[4] = ISDN_PID_L4_B_USER;
01157
01158 bc->layer=4;
01159 }
01160
01161 ret = mISDN_new_layer(midev, &li);
01162 if (ret ) {
01163 cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01164
01165 bc_state_change(bc,BCHAN_ERROR);
01166 return(-EINVAL);
01167 }
01168
01169 bc->layer_id = li.id;
01170 }
01171
01172 memset(&pid, 0, sizeof(pid));
01173
01174
01175
01176 cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01177
01178 if (bc->nodsp && !bc->hdlc) {
01179 cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01180 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01181 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01182 pid.protocol[3] = ISDN_PID_L3_B_USER;
01183 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01184
01185 } else if ( bc->hdlc ) {
01186 cb_log(2, stack->port," --> HDLC Mode\n");
01187 pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01188 pid.protocol[2] = ISDN_PID_L2_B_TRANS ;
01189 pid.protocol[3] = ISDN_PID_L3_B_USER;
01190 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01191 } else {
01192 cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01193 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01194 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01195 pid.protocol[3] = ISDN_PID_L3_B_DSP;
01196 pid.protocol[4] = ISDN_PID_L4_B_USER;
01197 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01198
01199 }
01200
01201 ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01202
01203 if (ret){
01204 cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01205
01206 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01207
01208 bc_state_change(bc,BCHAN_ERROR);
01209 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01210 return(-EINVAL);
01211 }
01212
01213 ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01214
01215 if (ret) {
01216 cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01217 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01218
01219 bc_state_change(bc,BCHAN_ERROR);
01220 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01221 return(-EINVAL);
01222 }
01223
01224 ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01225
01226 bc->addr = ret>0? ret : 0;
01227
01228 if (!bc->addr) {
01229 cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01230 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01231
01232 bc_state_change(bc,BCHAN_ERROR);
01233 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01234 return (-EINVAL);
01235 }
01236
01237 manager_bchannel_activate(bc);
01238
01239 bc_state_change(bc,BCHAN_ACTIVATED);
01240
01241 return 0;
01242 }
01243
01244
01245
01246
01247 static int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx)
01248 {
01249 if (!bc) {
01250 return -1;
01251 }
01252
01253 cb_log(8, port, "Init.BC %d.\n",bidx);
01254
01255 bc->send_lock=malloc(sizeof(struct send_lock));
01256 if (!bc->send_lock) {
01257 return -1;
01258 }
01259 pthread_mutex_init(&bc->send_lock->lock, NULL);
01260
01261 empty_bc(bc);
01262 bc_state_change(bc, BCHAN_CLEANED);
01263
01264 bc->port=stack->port;
01265 bc->nt=stack->nt?1:0;
01266 bc->pri=stack->pri;
01267
01268 {
01269 ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01270
01271 if (!ibuf) return -1;
01272
01273 clear_ibuffer( ibuf);
01274
01275 ibuf->rsem=malloc(sizeof(sem_t));
01276 if (!ibuf->rsem) {
01277 return -1;
01278 }
01279
01280 bc->astbuf=ibuf;
01281
01282 if (sem_init(ibuf->rsem,1,0)<0)
01283 sem_init(ibuf->rsem,0,0);
01284
01285 }
01286
01287 #if 0
01288 if (bidx <= stack->b_num) {
01289 unsigned char buff[1025];
01290 iframe_t *frm = (iframe_t *) buff;
01291 stack_info_t *stinf;
01292 int ret;
01293
01294 ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01295 if (ret < 0) {
01296 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01297 return -1;
01298 }
01299
01300 stinf = (stack_info_t *)&frm->data.p;
01301
01302 cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01303 }
01304 #endif
01305
01306 return 0;
01307 }
01308
01309
01310
01311 static struct misdn_stack *stack_init(int midev, int port, int ptp)
01312 {
01313 int ret;
01314 unsigned char buff[1025];
01315 iframe_t *frm = (iframe_t *)buff;
01316 stack_info_t *stinf;
01317 struct misdn_stack *stack;
01318 int i;
01319 layer_info_t li;
01320
01321 stack = calloc(1, sizeof(struct misdn_stack));
01322 if (!stack) {
01323 return NULL;
01324 }
01325
01326 cb_log(8, port, "Init. Stack.\n");
01327
01328 stack->port=port;
01329 stack->midev=midev;
01330 stack->ptp=ptp;
01331
01332 stack->holding=NULL;
01333 stack->pri=0;
01334
01335 msg_queue_init(&stack->downqueue);
01336 msg_queue_init(&stack->upqueue);
01337
01338 pthread_mutex_init(&stack->st_lock, NULL);
01339
01340
01341 ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01342 if (ret < 0) {
01343 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01344 return(NULL);
01345 }
01346
01347 stinf = (stack_info_t *)&frm->data.p;
01348
01349 stack->d_stid = stinf->id;
01350 stack->b_num = stinf->childcnt;
01351
01352 for (i=0; i<=stinf->childcnt; i++)
01353 stack->b_stids[i] = stinf->child[i];
01354
01355 switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01356 case ISDN_PID_L0_TE_S0:
01357 stack->nt=0;
01358 break;
01359 case ISDN_PID_L0_NT_S0:
01360 cb_log(8, port, "NT Stack\n");
01361
01362 stack->nt=1;
01363 break;
01364 case ISDN_PID_L0_TE_E1:
01365 cb_log(8, port, "TE S2M Stack\n");
01366 stack->nt=0;
01367 stack->pri=1;
01368 break;
01369 case ISDN_PID_L0_NT_E1:
01370 cb_log(8, port, "TE S2M Stack\n");
01371 stack->nt=1;
01372 stack->pri=1;
01373
01374 break;
01375 default:
01376 cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01377
01378 }
01379
01380 if (!stack->nt) {
01381 if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01382 stack->ptp = 1;
01383 } else {
01384 stack->ptp = 0;
01385 }
01386 }
01387
01388 {
01389 int ret;
01390 int nt=stack->nt;
01391
01392 cb_log(8, port, "Init. Stack.\n");
01393
01394 memset(&li, 0, sizeof(li));
01395 {
01396 int l = sizeof(li.name);
01397 strncpy(li.name,nt?"net l2":"user l4", l);
01398 li.name[l-1] = 0;
01399 }
01400 li.object_id = -1;
01401 li.extentions = 0;
01402 li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01403 li.pid.layermask = ISDN_LAYER((nt?2:4));
01404 li.st = stack->d_stid;
01405
01406
01407 ret = mISDN_new_layer(midev, &li);
01408 if (ret) {
01409 cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01410 return(NULL);
01411 }
01412
01413
01414 stack->upper_id = li.id;
01415 ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01416 if (ret)
01417 {
01418 cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01419 return(NULL);
01420 }
01421
01422 stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01423 if (stack->lower_id < 0) {
01424 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01425 return(NULL);
01426 }
01427
01428 stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01429 if (stack->upper_id < 0) {
01430 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01431 return(NULL);
01432 }
01433
01434 cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01435
01436
01437
01438 if (nt) {
01439
01440 memset(&stack->nst, 0, sizeof(net_stack_t));
01441 memset(&stack->mgr, 0, sizeof(manager_t));
01442
01443 stack->mgr.nst = &stack->nst;
01444 stack->nst.manager = &stack->mgr;
01445
01446 stack->nst.l3_manager = handle_event_nt;
01447 stack->nst.device = midev;
01448 stack->nst.cardnr = port;
01449 stack->nst.d_stid = stack->d_stid;
01450
01451 stack->nst.feature = FEATURE_NET_HOLD;
01452 if (stack->ptp)
01453 stack->nst.feature |= FEATURE_NET_PTP;
01454 if (stack->pri)
01455 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01456
01457 stack->nst.l1_id = stack->lower_id;
01458 stack->nst.l2_id = stack->upper_id;
01459
01460 msg_queue_init(&stack->nst.down_queue);
01461 pthread_mutex_init(&stack->nstlock, NULL);
01462
01463 Isdnl2Init(&stack->nst);
01464 Isdnl3Init(&stack->nst);
01465
01466 }
01467
01468 stack->l1link=0;
01469 stack->l2link=0;
01470 #if 0
01471 if (!stack->nt) {
01472 misdn_lib_get_short_status(stack);
01473 } else {
01474 misdn_lib_get_l1_up(stack);
01475 if (!stack->ptp) misdn_lib_get_l1_up(stack);
01476 misdn_lib_get_l2_up(stack);
01477 }
01478 #endif
01479
01480 misdn_lib_get_short_status(stack);
01481 misdn_lib_get_l1_up(stack);
01482 misdn_lib_get_l2_up(stack);
01483
01484 }
01485
01486 cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01487
01488 return stack;
01489 }
01490
01491
01492 static void stack_destroy(struct misdn_stack *stack)
01493 {
01494 char buf[1024];
01495 if (!stack) return;
01496
01497 if (stack->nt) {
01498 pthread_mutex_destroy(&stack->nstlock);
01499 cleanup_Isdnl2(&stack->nst);
01500 cleanup_Isdnl3(&stack->nst);
01501 }
01502
01503 if (stack->lower_id)
01504 mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01505
01506 if (stack->upper_id)
01507 mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01508
01509 pthread_mutex_destroy(&stack->st_lock);
01510 }
01511
01512
01513 static struct misdn_stack * find_stack_by_addr(int addr)
01514 {
01515 struct misdn_stack *stack;
01516
01517 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01518 if ((stack->upper_id & STACK_ID_MASK) == (addr & STACK_ID_MASK)) {
01519
01520 break;
01521 }
01522 }
01523
01524 return stack;
01525 }
01526
01527
01528 static struct misdn_stack *find_stack_by_port(int port)
01529 {
01530 struct misdn_stack *stack;
01531
01532 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01533 if (stack->port == port) {
01534
01535 break;
01536 }
01537 }
01538
01539 return stack;
01540 }
01541
01542 static struct misdn_stack *find_stack_by_mgr(manager_t *mgr_nt)
01543 {
01544 struct misdn_stack *stack;
01545
01546 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01547 if (&stack->mgr == mgr_nt) {
01548
01549 break;
01550 }
01551 }
01552
01553 return stack;
01554 }
01555
01556 static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
01557 {
01558 int i;
01559
01560 for (i = 0; i <= stack->b_num; ++i) {
01561 if (stack->bc[i].in_use && (stack->bc[i].l3_id & mask) == (l3id & mask)) {
01562 return &stack->bc[i];
01563 }
01564 }
01565 #if defined(AST_MISDN_ENHANCEMENTS)
01566
01567 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
01568 if (stack->bc[i].in_use && (stack->bc[i].l3_id & mask) == (l3id & mask)) {
01569 return &stack->bc[i];
01570 }
01571 }
01572 #endif
01573 return stack_holder_find(stack, l3id);
01574 }
01575
01576
01577 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id)
01578 {
01579 int i;
01580
01581 for (i = 0; i <= stack->b_num; ++i) {
01582 if (stack->bc[i].in_use && stack->bc[i].l3_id == l3id) {
01583 return &stack->bc[i];
01584 }
01585 }
01586 #if defined(AST_MISDN_ENHANCEMENTS)
01587
01588 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
01589 if (stack->bc[i].in_use && stack->bc[i].l3_id == l3id) {
01590 return &stack->bc[i];
01591 }
01592 }
01593 #endif
01594 return stack_holder_find(stack, l3id);
01595 }
01596
01597 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
01598 {
01599 struct misdn_stack *stack;
01600 int i;
01601
01602 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01603 for (i = 0; i <= stack->b_num; i++) {
01604 if (stack->bc[i].in_use
01605 && ((stack->bc[i].addr & STACK_ID_MASK) == (addr & STACK_ID_MASK)
01606 || stack->bc[i].layer_id == addr)) {
01607 return &stack->bc[i];
01608 }
01609 }
01610 }
01611
01612 return NULL;
01613 }
01614
01615 static struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
01616 {
01617 struct misdn_stack *stack;
01618 int i;
01619
01620 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01621 for (i = 0; i <= stack->b_num; i++) {
01622 if (stack->bc[i].in_use && stack->bc[i].conf_id == confid) {
01623 return &stack->bc[i];
01624 }
01625 }
01626 }
01627 return NULL;
01628 }
01629
01630
01631 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
01632 {
01633 struct misdn_stack *stack = find_stack_by_port(port);
01634 int i;
01635
01636 if (!stack) {
01637 return NULL;
01638 }
01639
01640 for (i = 0; i <= stack->b_num; i++) {
01641 if (stack->bc[i].in_use && stack->bc[i].channel == channel) {
01642 return &stack->bc[i];
01643 }
01644 }
01645
01646 return NULL;
01647 }
01648
01649
01650
01651
01652
01653 static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
01654 {
01655 struct misdn_stack *stack=get_stack_by_bc(bc);
01656
01657 if (!stack->nt) {
01658
01659 switch (event) {
01660
01661 case EVENT_CONNECT_ACKNOWLEDGE:
01662 setup_bc(bc);
01663
01664 if ( *bc->crypt_key ) {
01665 cb_log(4, stack->port,
01666 "ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
01667 bc->channel,
01668 bc->caller.number_type,
01669 bc->caller.name,
01670 bc->caller.number,
01671 bc->dialed.number_type,
01672 bc->dialed.number);
01673 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01674 }
01675
01676 if (misdn_cap_is_speech(bc->capability)) {
01677 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
01678 manager_ec_enable(bc);
01679
01680 if ( bc->txgain != 0 ) {
01681 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01682 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01683 }
01684 if ( bc->rxgain != 0 ) {
01685 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01686 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01687 }
01688 }
01689
01690 break;
01691 case EVENT_CONNECT:
01692
01693 if ( *bc->crypt_key ) {
01694 cb_log(4, stack->port,
01695 "ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
01696 bc->channel,
01697 bc->caller.number_type,
01698 bc->caller.name,
01699 bc->caller.number,
01700 bc->dialed.number_type,
01701 bc->dialed.number);
01702 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01703 }
01704 case EVENT_ALERTING:
01705 case EVENT_PROGRESS:
01706 case EVENT_PROCEEDING:
01707 case EVENT_SETUP_ACKNOWLEDGE:
01708 case EVENT_SETUP:
01709 {
01710 if (bc->channel == 0xff || bc->channel<=0)
01711 bc->channel=0;
01712
01713 if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01714 if (!stack->pri && !stack->ptp) {
01715 bc->cw=1;
01716 break;
01717 }
01718
01719 if (!bc->channel) {
01720 cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01721 } else {
01722 cb_log(0, stack->port,
01723 "Requested Channel Already in Use releasing this call with cause %d!!!!\n",
01724 bc->out_cause);
01725 }
01726
01727
01728
01729
01730
01731 bc->channel=0;
01732
01733 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01734 return -1;
01735 }
01736
01737 setup_bc(bc);
01738 break;
01739 }
01740
01741 case EVENT_RELEASE_COMPLETE:
01742 case EVENT_RELEASE:
01743 break;
01744 default:
01745 break;
01746 }
01747 } else {
01748
01749 }
01750 return 0;
01751 }
01752
01753 static int handle_cr ( struct misdn_stack *stack, iframe_t *frm)
01754 {
01755 struct misdn_bchannel dummybc;
01756 struct misdn_bchannel *bc;
01757 int channel;
01758
01759 if (!stack) return -1;
01760
01761 switch (frm->prim) {
01762 case CC_NEW_CR|INDICATION:
01763 cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01764
01765 bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01766 if (!bc) {
01767 cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01768 return -1;
01769 }
01770
01771 cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01772 bc->l3_id=frm->dinfo;
01773 return 1;
01774 case CC_NEW_CR|CONFIRM:
01775 return 1;
01776 case CC_NEW_CR|REQUEST:
01777 return 1;
01778 case CC_RELEASE_CR|REQUEST:
01779 return 1;
01780 case CC_RELEASE_CR|CONFIRM:
01781 break;
01782 case CC_RELEASE_CR|INDICATION:
01783 cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n", frm->dinfo);
01784 bc = find_bc_by_l3id(stack, frm->dinfo);
01785 if (!bc) {
01786 cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01787 misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01788 bc = &dummybc;
01789 }
01790
01791 channel = bc->channel;
01792 cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n", frm->dinfo);
01793
01794
01795 bc->need_disconnect = 0;
01796 bc->need_release = 0;
01797 bc->need_release_complete = 0;
01798
01799 cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01800
01801 empty_bc(bc);
01802 clean_up_bc(bc);
01803
01804 if (channel > 0)
01805 empty_chan_in_stack(stack, channel);
01806 bc->in_use = 0;
01807
01808 dump_chan_list(stack);
01809
01810 if (bc->stack_holder) {
01811 cb_log(4, stack->port, "REMOVING Holder\n");
01812 stack_holder_remove(stack, bc);
01813 free(bc);
01814 }
01815
01816 return 1;
01817 default:
01818 break;
01819 }
01820
01821 return 0;
01822 }
01823
01824
01825
01826 void misdn_lib_release(struct misdn_bchannel *bc)
01827 {
01828 int channel;
01829 struct misdn_stack *stack=get_stack_by_bc(bc);
01830
01831 if (!stack) {
01832 cb_log(1,0,"misdn_release: No Stack found\n");
01833 return;
01834 }
01835
01836 channel = bc->channel;
01837 empty_bc(bc);
01838 clean_up_bc(bc);
01839 if (channel > 0) {
01840 empty_chan_in_stack(stack, channel);
01841 }
01842 bc->in_use=0;
01843 }
01844
01845
01846
01847
01848 int misdn_lib_get_port_up (int port)
01849 {
01850 struct misdn_stack *stack;
01851
01852 for (stack=glob_mgr->stack_list;
01853 stack;
01854 stack=stack->next) {
01855
01856 if (stack->port == port) {
01857
01858 if (!stack->l1link)
01859 misdn_lib_get_l1_up(stack);
01860 if (!stack->l2link)
01861 misdn_lib_get_l2_up(stack);
01862
01863 return 0;
01864 }
01865 }
01866 return 0;
01867 }
01868
01869
01870 int misdn_lib_get_port_down (int port)
01871 {
01872 struct misdn_stack *stack;
01873 for (stack=glob_mgr->stack_list;
01874 stack;
01875 stack=stack->next) {
01876 if (stack->port == port) {
01877 if (stack->l2link)
01878 misdn_lib_get_l2_down(stack);
01879 misdn_lib_get_l1_down(stack);
01880 return 0;
01881 }
01882 }
01883 return 0;
01884 }
01885
01886 int misdn_lib_port_up(int port, int check)
01887 {
01888 struct misdn_stack *stack;
01889
01890
01891 for (stack=glob_mgr->stack_list;
01892 stack;
01893 stack=stack->next) {
01894
01895 if (stack->port == port) {
01896
01897 if (stack->blocked) {
01898 cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01899 return -1;
01900 }
01901
01902 if (stack->ptp ) {
01903
01904 if (stack->l1link && stack->l2link) {
01905 return 1;
01906 } else {
01907 cb_log(1,port, "Port Down L2:%d L1:%d\n",
01908 stack->l2link, stack->l1link);
01909 return 0;
01910 }
01911 } else {
01912 if ( !check || stack->l1link )
01913 return 1;
01914 else {
01915 cb_log(1,port, "Port down PMP\n");
01916 return 0;
01917 }
01918 }
01919 }
01920 }
01921
01922 return -1;
01923 }
01924
01925
01926 static int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh)
01927 {
01928 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01929 struct misdn_bchannel dummybc;
01930 iframe_t frm;
01931
01932 frm.dinfo = hh->dinfo;
01933 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01934 frm.prim = CC_RELEASE_CR|INDICATION;
01935 cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Release_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01936
01937
01938 if (!bc) {
01939 cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01940 misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01941 bc=&dummybc;
01942 }
01943
01944 if ((bc->l3_id & 0xff00) == 0xff00) {
01945 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id & 0xff);
01946 stack->procids[bc->l3_id & 0xff] = 0;
01947 }
01948
01949 if (handle_cr(stack, &frm)<0) {
01950 }
01951
01952 return 0 ;
01953 }
01954
01955 static int handle_event_nt(void *dat, void *arg)
01956 {
01957 struct misdn_bchannel dummybc;
01958 struct misdn_bchannel *bc;
01959 manager_t *mgr = (manager_t *)dat;
01960 msg_t *msg = (msg_t *)arg;
01961 msg_t *dmsg;
01962 mISDNuser_head_t *hh;
01963 struct misdn_stack *stack;
01964 enum event_e event;
01965 int reject=0;
01966 int l3id;
01967 int channel;
01968 int tmpcause;
01969
01970 if (!msg || !mgr)
01971 return(-EINVAL);
01972
01973 stack = find_stack_by_mgr(mgr);
01974 hh=(mISDNuser_head_t*)msg->data;
01975
01976
01977
01978
01979
01980
01981 pthread_mutex_unlock(&stack->nstlock);
01982
01983 cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01984 switch(hh->prim) {
01985 case CC_RETRIEVE|INDICATION:
01986 {
01987 struct misdn_bchannel *hold_bc;
01988 iframe_t frm;
01989
01990 frm.dinfo = hh->dinfo;
01991 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01992 frm.prim = CC_NEW_CR|INDICATION;
01993 if (handle_cr( stack, &frm)< 0) {
01994 goto ERR_NO_CHANNEL;
01995 }
01996
01997 bc = find_bc_by_l3id(stack, hh->dinfo);
01998 hold_bc = stack_holder_find(stack, bc->l3_id);
01999 cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
02000
02001 if (hold_bc) {
02002 cb_log(4, stack->port, "REMOVING Holder\n");
02003
02004
02005 stack_holder_remove(stack, hold_bc);
02006 memcpy(bc, hold_bc, sizeof(*bc));
02007 free(hold_bc);
02008
02009 bc->holded=0;
02010 bc->b_stid=0;
02011 }
02012 break;
02013 }
02014
02015 case CC_SETUP | CONFIRM:
02016 l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
02017
02018 cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n", l3id);
02019
02020 bc = find_bc_by_l3id(stack, hh->dinfo);
02021 if (bc) {
02022 cb_log (2, bc->port, "I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
02023 bc->l3_id = l3id;
02024 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
02025 } else {
02026 cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n");
02027 }
02028 free_msg(msg);
02029 pthread_mutex_lock(&stack->nstlock);
02030 return 0;
02031
02032 case CC_SETUP | INDICATION:
02033 bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
02034 if (!bc) {
02035 goto ERR_NO_CHANNEL;
02036 }
02037
02038 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
02039 bc->l3_id=hh->dinfo;
02040 break;
02041
02042 #if defined(AST_MISDN_ENHANCEMENTS)
02043 case CC_REGISTER | CONFIRM:
02044 l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
02045
02046 cb_log(4, stack->port, " --> lib: Event_ind:REGISTER CONFIRM [NT] : new L3ID is %x\n", l3id);
02047
02048 bc = find_bc_by_l3id(stack, hh->dinfo);
02049 if (bc) {
02050 cb_log (2, bc->port, "I IND :CC_REGISTER|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
02051 bc->l3_id = l3id;
02052 } else {
02053 cb_log(4, stack->port, "Bc Not found (after REGISTER CONFIRM)\n");
02054 }
02055 free_msg(msg);
02056 pthread_mutex_lock(&stack->nstlock);
02057 return 0;
02058 #endif
02059
02060 #if defined(AST_MISDN_ENHANCEMENTS)
02061 case CC_REGISTER | INDICATION:
02062 bc = misdn_lib_get_register_bc(stack->port);
02063 if (!bc) {
02064 goto ERR_NO_CHANNEL;
02065 }
02066
02067 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
02068 bc->l3_id=hh->dinfo;
02069 break;
02070 #endif
02071
02072 case CC_CONNECT_ACKNOWLEDGE|INDICATION:
02073 break;
02074
02075 case CC_ALERTING|INDICATION:
02076 case CC_PROCEEDING|INDICATION:
02077 case CC_SETUP_ACKNOWLEDGE|INDICATION:
02078 case CC_CONNECT|INDICATION:
02079 break;
02080 case CC_DISCONNECT|INDICATION:
02081 bc = find_bc_by_l3id(stack, hh->dinfo);
02082 if (!bc) {
02083 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
02084 if (bc) {
02085 int myprocid=bc->l3_id&0x0000ffff;
02086
02087 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
02088 cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
02089 reject=1;
02090 }
02091 }
02092 break;
02093
02094 case CC_FACILITY|INDICATION:
02095 bc = find_bc_by_l3id(stack, hh->dinfo);
02096 if (!bc) {
02097 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
02098 if (bc) {
02099 int myprocid=bc->l3_id&0x0000ffff;
02100
02101 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
02102 cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
02103 }
02104 }
02105 break;
02106
02107 case CC_RELEASE_COMPLETE|INDICATION:
02108 break;
02109
02110 case CC_SUSPEND|INDICATION:
02111 cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
02112 dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
02113 pthread_mutex_lock(&stack->nstlock);
02114 stack->nst.manager_l3(&stack->nst, dmsg);
02115 free_msg(msg);
02116 return 0;
02117
02118 case CC_RESUME|INDICATION:
02119 break;
02120
02121 case CC_RELEASE|CONFIRM:
02122 bc = find_bc_by_l3id(stack, hh->dinfo);
02123 if (bc) {
02124 cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
02125 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02126 }
02127 break;
02128
02129 case CC_RELEASE|INDICATION:
02130 break;
02131
02132 case CC_RELEASE_CR|INDICATION:
02133 release_cr(stack, hh);
02134 free_msg(msg);
02135 pthread_mutex_lock(&stack->nstlock);
02136 return 0;
02137
02138 case CC_NEW_CR|INDICATION:
02139
02140
02141 l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
02142
02143 bc = find_bc_by_l3id(stack, hh->dinfo);
02144 if (!bc) {
02145 cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n");
02146 pthread_mutex_lock(&stack->nstlock);
02147 return -1;
02148 }
02149 if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
02150 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
02151 stack->procids[bc->l3_id&0xff] = 0 ;
02152 }
02153 cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id );
02154
02155 bc->l3_id =l3id;
02156 if (!bc->is_register_pool) {
02157 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
02158 }
02159
02160 free_msg(msg);
02161 pthread_mutex_lock(&stack->nstlock);
02162 return 0;
02163
02164 case DL_ESTABLISH | INDICATION:
02165 case DL_ESTABLISH | CONFIRM:
02166 cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
02167
02168 if (stack->ptp && stack->l2link) {
02169 cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
02170 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02171 }
02172
02173 if (stack->ptp && !stack->restart_sent) {
02174
02175
02176 stack->restart_sent=1;
02177 misdn_lib_send_restart(stack->port, -1);
02178
02179 }
02180
02181
02182 stack->l2link = 1;
02183 stack->l2upcnt=0;
02184
02185 free_msg(msg);
02186 pthread_mutex_lock(&stack->nstlock);
02187 return 0;
02188
02189 case DL_RELEASE | INDICATION:
02190 case DL_RELEASE | CONFIRM:
02191 if (stack->ptp) {
02192 cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02193
02194 if (stack->l2upcnt>3) {
02195 cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attempts!!!\n");
02196 } else {
02197 #if 0
02198 if (stack->nt)
02199 misdn_lib_reinit_nt_stack(stack->port);
02200 #endif
02201 if (stack->l1link) {
02202 misdn_lib_get_l2_up(stack);
02203 stack->l2upcnt++;
02204 }
02205 }
02206
02207 } else
02208 cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02209
02210 stack->l2link = 0;
02211 free_msg(msg);
02212 pthread_mutex_lock(&stack->nstlock);
02213 return 0;
02214
02215 default:
02216 break;
02217 }
02218
02219
02220 event = isdn_msg_get_event(msgs_g, msg, 1);
02221
02222 bc = find_bc_by_l3id(stack, hh->dinfo);
02223 if (!bc) {
02224 cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x).\n", hh->dinfo);
02225 misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
02226 bc = &dummybc;
02227 }
02228
02229 isdn_msg_parse_event(msgs_g, msg, bc, 1);
02230
02231 switch (event) {
02232 case EVENT_SETUP:
02233 if (bc->channel <= 0 || bc->channel == 0xff) {
02234 bc->channel = 0;
02235 }
02236
02237 if (find_free_chan_in_stack(stack, bc, bc->channel, 0) < 0) {
02238 goto ERR_NO_CHANNEL;
02239 }
02240 break;
02241 case EVENT_RELEASE:
02242 case EVENT_RELEASE_COMPLETE:
02243 channel = bc->channel;
02244 tmpcause = bc->cause;
02245
02246 empty_bc(bc);
02247 bc->cause = tmpcause;
02248 clean_up_bc(bc);
02249
02250 if (channel > 0)
02251 empty_chan_in_stack(stack, channel);
02252 bc->in_use = 0;
02253 break;
02254 default:
02255 break;
02256 }
02257
02258 if(!isdn_get_info(msgs_g, event, 1)) {
02259 cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n", hh->prim, hh->dinfo);
02260 } else {
02261 if (reject) {
02262 switch(bc->cause) {
02263 case AST_CAUSE_USER_BUSY:
02264 cb_log(1, stack->port, "Siemens Busy reject..\n");
02265 break;
02266 default:
02267 break;
02268 }
02269 }
02270 cb_event(event, bc, glob_mgr->user_data);
02271 }
02272
02273 free_msg(msg);
02274 pthread_mutex_lock(&stack->nstlock);
02275 return 0;
02276
02277 ERR_NO_CHANNEL:
02278 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
02279 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, hh->dinfo, sizeof(RELEASE_COMPLETE_t), 1);
02280 pthread_mutex_lock(&stack->nstlock);
02281 stack->nst.manager_l3(&stack->nst, dmsg);
02282 free_msg(msg);
02283 return 0;
02284 }
02285
02286
02287 static int handle_timers(msg_t* msg)
02288 {
02289 iframe_t *frm= (iframe_t*)msg->data;
02290 struct misdn_stack *stack;
02291
02292
02293 switch (frm->prim) {
02294 case MGR_INITTIMER | CONFIRM:
02295 case MGR_ADDTIMER | CONFIRM:
02296 case MGR_DELTIMER | CONFIRM:
02297 case MGR_REMOVETIMER | CONFIRM:
02298 free_msg(msg);
02299 return(1);
02300 }
02301
02302
02303
02304 if (frm->prim==(MGR_TIMER | INDICATION) ) {
02305 for (stack = glob_mgr->stack_list;
02306 stack;
02307 stack = stack->next) {
02308 itimer_t *it;
02309
02310 if (!stack->nt) continue;
02311
02312 it = stack->nst.tlist;
02313
02314 for(it=stack->nst.tlist;
02315 it;
02316 it=it->next) {
02317 if (it->id == (int)frm->addr)
02318 break;
02319 }
02320 if (it) {
02321 mISDN_write_frame(stack->midev, msg->data, frm->addr,
02322 MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02323 test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02324 pthread_mutex_lock(&stack->nstlock);
02325 it->function(it->data);
02326 pthread_mutex_unlock(&stack->nstlock);
02327 free_msg(msg);
02328 return 1;
02329 }
02330 }
02331
02332 cb_log(0, 0, "Timer Msg without Timer ??\n");
02333 free_msg(msg);
02334 return 1;
02335 }
02336
02337 return 0;
02338 }
02339
02340
02341
02342 void misdn_lib_tone_generator_start(struct misdn_bchannel *bc)
02343 {
02344 bc->generate_tone=1;
02345 }
02346
02347 void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc)
02348 {
02349 bc->generate_tone=0;
02350 }
02351
02352
02353 static int do_tone(struct misdn_bchannel *bc, int len)
02354 {
02355 bc->tone_cnt=len;
02356
02357 if (bc->generate_tone) {
02358 cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02359
02360 if ( !bc->nojitter ) {
02361 misdn_tx_jitter(bc,len);
02362 }
02363
02364 return 1;
02365 }
02366
02367 return 0;
02368 }
02369
02370
02371 #ifdef MISDN_SAVE_DATA
02372 static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
02373 {
02374 char n1[32],n2[32];
02375 FILE *rx, *tx;
02376
02377 sprintf(n1,"/tmp/misdn-rx-%d.raw",id);
02378 sprintf(n2,"/tmp/misdn-tx-%d.raw",id);
02379
02380 rx = fopen(n1,"a+");
02381 tx = fopen(n2,"a+");
02382
02383 if (!rx || !tx) {
02384 cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
02385 if (rx)
02386 fclose(rx);
02387 if (tx)
02388 fclose(tx);
02389 return ;
02390 }
02391
02392 fwrite(p1,1,l1,rx);
02393 fwrite(p2,1,l2,tx);
02394
02395 fclose(rx);
02396 fclose(tx);
02397
02398 }
02399 #endif
02400
02401 void misdn_tx_jitter(struct misdn_bchannel *bc, int len)
02402 {
02403 char buf[4096 + mISDN_HEADER_LEN];
02404 char *data=&buf[mISDN_HEADER_LEN];
02405 iframe_t *txfrm= (iframe_t*)buf;
02406 int jlen, r;
02407
02408 jlen=cb_jb_empty(bc,data,len);
02409
02410 if (jlen) {
02411 #ifdef MISDN_SAVE_DATA
02412 misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02413 #endif
02414 flip_buf_bits( data, jlen);
02415
02416 if (jlen < len) {
02417 cb_log(1, bc->port, "Jitterbuffer Underrun. Got %d of expected %d\n", jlen, len);
02418 }
02419
02420 txfrm->prim = DL_DATA|REQUEST;
02421
02422 txfrm->dinfo = 0;
02423
02424 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02425
02426 txfrm->len =jlen;
02427 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02428
02429 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02430 } else {
02431 #define MISDN_GEN_SILENCE
02432 #ifdef MISDN_GEN_SILENCE
02433 int cnt=len/TONE_SILENCE_SIZE;
02434 int rest=len%TONE_SILENCE_SIZE;
02435 int i;
02436
02437 for (i=0; i<cnt; i++) {
02438 memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02439 data +=TONE_SILENCE_SIZE;
02440 }
02441
02442 if (rest) {
02443 memcpy(data, tone_silence_flip, rest);
02444 }
02445
02446 txfrm->prim = DL_DATA|REQUEST;
02447
02448 txfrm->dinfo = 0;
02449
02450 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02451
02452 txfrm->len =len;
02453 cb_log(5, bc->port, "Transmitting %d samples of silence to misdn\n", len);
02454
02455 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02456 #else
02457 r = 0;
02458 #endif
02459 }
02460
02461 if (r < 0) {
02462 cb_log(1, bc->port, "Error in mISDN_write (%s)\n", strerror(errno));
02463 }
02464 }
02465
02466 static int handle_bchan(msg_t *msg)
02467 {
02468 iframe_t *frm= (iframe_t*)msg->data;
02469 struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02470 struct misdn_stack *stack;
02471
02472 if (!bc) {
02473 cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02474 return 0 ;
02475 }
02476
02477 stack = get_stack_by_bc(bc);
02478
02479 if (!stack) {
02480 cb_log(0, bc->port,"handle_bchan: STACK not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02481 return 0;
02482 }
02483
02484 switch (frm->prim) {
02485
02486 case MGR_SETSTACK| CONFIRM:
02487 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02488 break;
02489
02490 case MGR_SETSTACK| INDICATION:
02491 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02492 break;
02493 #if 0
02494 AGAIN:
02495 bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02496 if (!bc->addr) {
02497
02498 if (errno == EAGAIN) {
02499 usleep(1000);
02500 goto AGAIN;
02501 }
02502
02503 cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02504
02505
02506
02507 bc->addr= frm->addr;
02508 } else if ( bc->addr < 0) {
02509 cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02510 bc->addr=0;
02511 }
02512
02513 cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02514
02515 free_msg(msg);
02516
02517
02518 switch(bc->bc_state) {
02519 case BCHAN_SETUP:
02520 bc_state_change(bc,BCHAN_SETUPED);
02521 break;
02522
02523 case BCHAN_CLEAN_REQUEST:
02524 default:
02525 cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02526 clean_up_bc(bc);
02527 }
02528 return 1;
02529 #endif
02530
02531 case MGR_DELLAYER| INDICATION:
02532 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02533 break;
02534
02535 case MGR_DELLAYER| CONFIRM:
02536 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02537
02538 bc->pid=0;
02539 bc->addr=0;
02540
02541 free_msg(msg);
02542 return 1;
02543
02544 case PH_ACTIVATE | INDICATION:
02545 case DL_ESTABLISH | INDICATION:
02546 cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02547
02548 free_msg(msg);
02549 return 1;
02550
02551 case PH_ACTIVATE | CONFIRM:
02552 case DL_ESTABLISH | CONFIRM:
02553
02554 cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02555 free_msg(msg);
02556
02557 return 1;
02558
02559 case DL_ESTABLISH | REQUEST:
02560 {
02561 char buf[128];
02562 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02563 }
02564 free_msg(msg);
02565 return 1;
02566
02567 case DL_RELEASE|REQUEST:
02568 {
02569 char buf[128];
02570 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02571 }
02572 free_msg(msg);
02573 return 1;
02574
02575 case PH_DEACTIVATE | INDICATION:
02576 case DL_RELEASE | INDICATION:
02577 cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02578
02579 free_msg(msg);
02580 return 1;
02581
02582 case PH_DEACTIVATE | CONFIRM:
02583 case DL_RELEASE | CONFIRM:
02584 cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02585
02586 free_msg(msg);
02587 return 1;
02588
02589 case PH_CONTROL|INDICATION:
02590 {
02591 unsigned int *cont = (unsigned int *) &frm->data.p;
02592
02593 cb_log(4, stack->port,
02594 "PH_CONTROL: channel:%d caller%d:\"%s\" <%s> dialed%d:%s \n",
02595 bc->channel,
02596 bc->caller.number_type,
02597 bc->caller.name,
02598 bc->caller.number,
02599 bc->dialed.number_type,
02600 bc->dialed.number);
02601
02602 if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02603 int dtmf = *cont & DTMF_TONE_MASK;
02604 cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02605 bc->dtmf=dtmf;
02606 cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02607
02608 free_msg(msg);
02609 return 1;
02610 }
02611 if (*cont == BF_REJECT) {
02612 cb_log(4, stack->port, " --> BF REJECT\n");
02613 free_msg(msg);
02614 return 1;
02615 }
02616 if (*cont == BF_ACCEPT) {
02617 cb_log(4, stack->port, " --> BF ACCEPT\n");
02618 free_msg(msg);
02619 return 1;
02620 }
02621 }
02622 break;
02623
02624 case PH_DATA|REQUEST:
02625 case DL_DATA|REQUEST:
02626 cb_log(0, stack->port, "DL_DATA REQUEST \n");
02627 do_tone(bc, 64);
02628
02629 free_msg(msg);
02630 return 1;
02631
02632
02633 case PH_DATA|INDICATION:
02634 case DL_DATA|INDICATION:
02635 {
02636 bc->bframe = (void*)&frm->data.i;
02637 bc->bframe_len = frm->len;
02638
02639
02640 if ( misdn_cap_is_speech(bc->capability) )
02641 flip_buf_bits(bc->bframe, bc->bframe_len);
02642
02643
02644 if (!bc->bframe_len) {
02645 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02646 free_msg(msg);
02647 return 1;
02648 }
02649
02650 if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02651 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02652 free_msg(msg);
02653 return 1;
02654 }
02655
02656 #if MISDN_DEBUG
02657 cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02658
02659 #endif
02660
02661 if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02662 int t;
02663
02664 #ifdef MISDN_B_DEBUG
02665 cb_log(0,bc->port,"do_tone START\n");
02666 #endif
02667 t=do_tone(bc,frm->len);
02668
02669 #ifdef MISDN_B_DEBUG
02670 cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02671 #endif
02672 if ( !t ) {
02673 int i;
02674
02675 if ( misdn_cap_is_speech(bc->capability)) {
02676 if ( !bc->nojitter ) {
02677 #ifdef MISDN_B_DEBUG
02678 cb_log(0,bc->port,"tx_jitter START\n");
02679 #endif
02680 misdn_tx_jitter(bc,frm->len);
02681 #ifdef MISDN_B_DEBUG
02682 cb_log(0,bc->port,"tx_jitter STOP\n");
02683 #endif
02684 }
02685 }
02686
02687 #ifdef MISDN_B_DEBUG
02688 cb_log(0,bc->port,"EVENT_B_DATA START\n");
02689 #endif
02690
02691 i = cb_event(EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02692 #ifdef MISDN_B_DEBUG
02693 cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02694 #endif
02695
02696 if (i<0) {
02697 cb_log(10,stack->port,"cb_event returned <0\n");
02698
02699 }
02700 }
02701 }
02702 free_msg(msg);
02703 return 1;
02704 }
02705
02706
02707 case PH_CONTROL | CONFIRM:
02708 cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02709 free_msg(msg);
02710 return 1;
02711
02712 case PH_DATA | CONFIRM:
02713 case DL_DATA|CONFIRM:
02714 #if MISDN_DEBUG
02715
02716 cb_log(0, stack->port, "Data confirmed\n");
02717
02718 #endif
02719 free_msg(msg);
02720 return 1;
02721 case DL_DATA|RESPONSE:
02722 #if MISDN_DEBUG
02723 cb_log(0, stack->port, "Data response\n");
02724
02725 #endif
02726 break;
02727 }
02728
02729 return 0;
02730 }
02731
02732
02733
02734 static int handle_frm_nt(msg_t *msg)
02735 {
02736 iframe_t *frm= (iframe_t*)msg->data;
02737 struct misdn_stack *stack;
02738 int err=0;
02739
02740 stack=find_stack_by_addr( frm->addr );
02741
02742
02743
02744 if (!stack || !stack->nt) {
02745 return 0;
02746 }
02747
02748
02749 pthread_mutex_lock(&stack->nstlock);
02750 if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02751 pthread_mutex_unlock(&stack->nstlock);
02752 if (nt_err_cnt > 0 ) {
02753 if (nt_err_cnt < 100) {
02754 nt_err_cnt++;
02755 cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02756 } else if (nt_err_cnt < 105){
02757 cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02758 nt_err_cnt = - 1;
02759 }
02760 }
02761 free_msg(msg);
02762 return 1;
02763 }
02764 pthread_mutex_unlock(&stack->nstlock);
02765 return 1;
02766 }
02767
02768
02769 static int handle_frm(msg_t *msg)
02770 {
02771 struct misdn_bchannel dummybc;
02772 struct misdn_bchannel *bc;
02773 iframe_t *frm;
02774 struct misdn_stack *stack;
02775 enum event_e event;
02776 enum event_response_e response;
02777 int ret;
02778 int channel;
02779 int tmpcause;
02780 int tmp_out_cause;
02781
02782 frm = (iframe_t*) msg->data;
02783 stack = find_stack_by_addr(frm->addr);
02784 if (!stack || stack->nt) {
02785 return 0;
02786 }
02787
02788 cb_log(4, stack ? stack->port : 0, "handle_frm: frm->addr:%x frm->prim:%x\n", frm->addr, frm->prim);
02789
02790 ret = handle_cr(stack, frm);
02791 if (ret < 0) {
02792 cb_log(3, stack ? stack->port : 0, "handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02793 }
02794 if (ret) {
02795 free_msg(msg);
02796 return 1;
02797 }
02798
02799 bc = find_bc_by_l3id(stack, frm->dinfo);
02800 if (!bc) {
02801 misdn_make_dummy(&dummybc, stack->port, 0, stack->nt, 0);
02802 switch (frm->prim) {
02803 case CC_RESTART | CONFIRM:
02804 dummybc.l3_id = MISDN_ID_GLOBAL;
02805 bc = &dummybc;
02806 break;
02807 case CC_SETUP | INDICATION:
02808 dummybc.l3_id = frm->dinfo;
02809 bc = &dummybc;
02810
02811 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02812
02813 free_msg(msg);
02814 return 1;
02815 default:
02816 if (frm->prim == (CC_FACILITY | INDICATION)) {
02817 cb_log(5, stack->port, " --> Using Dummy BC for FACILITY\n");
02818 } else {
02819 cb_log(0, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02820 dummybc.l3_id = frm->dinfo;
02821 }
02822 bc = &dummybc;
02823 break;
02824 }
02825 }
02826
02827 event = isdn_msg_get_event(msgs_g, msg, 0);
02828 isdn_msg_parse_event(msgs_g, msg, bc, 0);
02829
02830
02831 ret = handle_event(bc, event, frm);
02832 if (ret < 0) {
02833 cb_log(0, stack->port, "couldn't handle event\n");
02834 free_msg(msg);
02835 return 1;
02836 }
02837
02838
02839 cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n", frm->addr, frm->prim, frm->dinfo);
02840
02841 if (!isdn_get_info(msgs_g, event, 0)) {
02842 cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n", frm->addr, frm->prim, frm->dinfo);
02843 response = RESPONSE_OK;
02844 } else {
02845 response = cb_event(event, bc, glob_mgr->user_data);
02846 }
02847
02848 switch (event) {
02849 case EVENT_SETUP:
02850 switch (response) {
02851 case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02852 cb_log(0, stack->port, "TOTALLY IGNORING SETUP\n");
02853 break;
02854 case RESPONSE_IGNORE_SETUP:
02855
02856 bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
02857
02858 case RESPONSE_RELEASE_SETUP:
02859 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02860 if (bc->channel > 0) {
02861 empty_chan_in_stack(stack, bc->channel);
02862 }
02863 empty_bc(bc);
02864 bc_state_change(bc, BCHAN_CLEANED);
02865 bc->in_use = 0;
02866
02867 cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02868 break;
02869 case RESPONSE_OK:
02870 cb_log(4, stack->port, "GOT SETUP OK\n");
02871 break;
02872 default:
02873 break;
02874 }
02875 break;
02876 case EVENT_RELEASE_COMPLETE:
02877
02878 channel = bc->channel;
02879 tmpcause = bc->cause;
02880 tmp_out_cause = bc->out_cause;
02881
02882 empty_bc(bc);
02883 bc->cause = tmpcause;
02884 bc->out_cause = tmp_out_cause;
02885 clean_up_bc(bc);
02886 bc->in_use = 0;
02887
02888 if (tmpcause == AST_CAUSE_REQUESTED_CHAN_UNAVAIL) {
02889 cb_log(0, stack->port, "**** Received CAUSE:%d, restarting channel %d\n", AST_CAUSE_REQUESTED_CHAN_UNAVAIL, channel);
02890 misdn_lib_send_restart(stack->port, channel);
02891 }
02892 if (channel > 0) {
02893 empty_chan_in_stack(stack, channel);
02894 }
02895 break;
02896 case EVENT_RESTART:
02897 cb_log(0, stack->port, "**** Received RESTART channel:%d\n", bc->restart_channel);
02898 empty_chan_in_stack(stack, bc->restart_channel);
02899 break;
02900 default:
02901 break;
02902 }
02903
02904 cb_log(5, stack->port, "Freeing Msg on prim:%x \n", frm->prim);
02905 free_msg(msg);
02906 return 1;
02907 }
02908
02909
02910 static int handle_l1(msg_t *msg)
02911 {
02912 iframe_t *frm = (iframe_t*) msg->data;
02913 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02914 int i ;
02915
02916 if (!stack) return 0 ;
02917
02918 switch (frm->prim) {
02919 case PH_ACTIVATE | CONFIRM:
02920 case PH_ACTIVATE | INDICATION:
02921 cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02922 stack->l1link=1;
02923
02924 if (stack->nt) {
02925
02926 pthread_mutex_lock(&stack->nstlock);
02927 if (stack->nst.l1_l2(&stack->nst, msg))
02928 free_msg(msg);
02929 pthread_mutex_unlock(&stack->nstlock);
02930
02931 if (stack->ptp)
02932 misdn_lib_get_l2_up(stack);
02933 } else {
02934 free_msg(msg);
02935 }
02936
02937 for (i=0;i<=stack->b_num; i++) {
02938 if (stack->bc[i].evq != EVENT_NOTHING) {
02939 cb_log(4, stack->port, "Firing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02940 misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02941 stack->bc[i].evq=EVENT_NOTHING;
02942 }
02943
02944 }
02945 return 1;
02946
02947 case PH_ACTIVATE | REQUEST:
02948 free_msg(msg);
02949 cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02950 return 1;
02951
02952 case PH_DEACTIVATE | REQUEST:
02953 free_msg(msg);
02954 cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02955 return 1;
02956
02957 case PH_DEACTIVATE | CONFIRM:
02958 case PH_DEACTIVATE | INDICATION:
02959 cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02960
02961 #if 0
02962 for (i=0; i<=stack->b_num; i++) {
02963 if (global_state == MISDN_INITIALIZED) {
02964 cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02965 }
02966 }
02967 #endif
02968
02969 if (stack->nt) {
02970 pthread_mutex_lock(&stack->nstlock);
02971 if (stack->nst.l1_l2(&stack->nst, msg))
02972 free_msg(msg);
02973 pthread_mutex_unlock(&stack->nstlock);
02974 } else {
02975 free_msg(msg);
02976 }
02977
02978 stack->l1link=0;
02979 stack->l2link=0;
02980 return 1;
02981 }
02982
02983 return 0;
02984 }
02985
02986 static int handle_l2(msg_t *msg)
02987 {
02988 iframe_t *frm = (iframe_t*) msg->data;
02989
02990 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02991
02992 if (!stack) {
02993 return 0 ;
02994 }
02995
02996 switch(frm->prim) {
02997
02998 case DL_ESTABLISH | REQUEST:
02999 cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
03000 free_msg(msg);
03001 return 1;
03002 case DL_RELEASE | REQUEST:
03003 cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
03004 free_msg(msg);
03005 return 1;
03006
03007 case DL_ESTABLISH | INDICATION:
03008 case DL_ESTABLISH | CONFIRM:
03009 {
03010 cb_log (3, stack->port, "L2: L2Link Up! \n");
03011 if (stack->ptp && stack->l2link) {
03012 cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
03013 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
03014 }
03015 stack->l2link=1;
03016 free_msg(msg);
03017 return 1;
03018 }
03019 break;
03020
03021 case DL_RELEASE | INDICATION:
03022 case DL_RELEASE | CONFIRM:
03023 {
03024 cb_log (3, stack->port, "L2: L2Link Down! \n");
03025 stack->l2link=0;
03026
03027 free_msg(msg);
03028 return 1;
03029 }
03030 break;
03031 }
03032 return 0;
03033 }
03034
03035 static int handle_mgmt(msg_t *msg)
03036 {
03037 iframe_t *frm = (iframe_t*) msg->data;
03038 struct misdn_stack *stack;
03039
03040 if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
03041 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
03042 free_msg(msg);
03043 return 1;
03044 }
03045
03046 stack = find_stack_by_addr(frm->addr);
03047
03048 if (!stack) {
03049 if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
03050 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
03051 frm->addr) ;
03052 free_msg(msg);
03053 return 1;
03054 }
03055
03056 return 0;
03057 }
03058
03059 switch(frm->prim) {
03060 case MGR_SHORTSTATUS | INDICATION:
03061 case MGR_SHORTSTATUS | CONFIRM:
03062 cb_log(5, stack->port, "MGMT: Short status dinfo %x\n",frm->dinfo);
03063
03064 switch (frm->dinfo) {
03065 case SSTATUS_L1_ACTIVATED:
03066 cb_log(3, stack->port, "MGMT: SSTATUS: L1_ACTIVATED \n");
03067 stack->l1link=1;
03068
03069 break;
03070 case SSTATUS_L1_DEACTIVATED:
03071 cb_log(3, stack->port, "MGMT: SSTATUS: L1_DEACTIVATED \n");
03072 stack->l1link=0;
03073 #if 0
03074 clear_l3(stack);
03075 #endif
03076 break;
03077
03078 case SSTATUS_L2_ESTABLISHED:
03079 cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
03080 stack->l2link=1;
03081 break;
03082
03083 case SSTATUS_L2_RELEASED:
03084 cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
03085 stack->l2link=0;
03086 break;
03087 }
03088
03089 free_msg(msg);
03090 return 1;
03091
03092 case MGR_SETSTACK | INDICATION:
03093 cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
03094 free_msg(msg);
03095 return 1;
03096 case MGR_DELLAYER | CONFIRM:
03097 cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
03098 free_msg(msg);
03099 return 1;
03100
03101 }
03102
03103
03104
03105
03106
03107
03108
03109
03110 return 0;
03111 }
03112
03113
03114 static msg_t *fetch_msg(int midev)
03115 {
03116 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03117 int r;
03118
03119 if (!msg) {
03120 cb_log(0, 0, "fetch_msg: alloc msg failed !!");
03121 return NULL;
03122 }
03123
03124 AGAIN:
03125 r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
03126 msg->len=r;
03127
03128 if (r==0) {
03129 free_msg(msg);
03130 cb_log(6,0,"Got empty Msg..\n");
03131 return NULL;
03132 }
03133
03134 if (r<0) {
03135 if (errno == EAGAIN) {
03136
03137 cb_log(4,0,"mISDN_read wants us to wait\n");
03138 usleep(5000);
03139 goto AGAIN;
03140 }
03141
03142 cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
03143 }
03144
03145 #if 0
03146 if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
03147 cb_log(0,0,"prim: %x dinfo:%x addr:%x msglen:%d frm->len:%d\n",frm->prim, frm->dinfo, frm->addr, msg->len,frm->len );
03148 #endif
03149 return msg;
03150 }
03151
03152 void misdn_lib_isdn_l1watcher(int port)
03153 {
03154 struct misdn_stack *stack;
03155
03156 for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
03157 ;
03158
03159 if (stack) {
03160 cb_log(4, port, "Checking L1 State\n");
03161 if (!stack->l1link) {
03162 cb_log(4, port, "L1 State Down, trying to get it up again\n");
03163 misdn_lib_get_short_status(stack);
03164 misdn_lib_get_l1_up(stack);
03165 misdn_lib_get_l2_up(stack);
03166 }
03167 }
03168 }
03169
03170
03171 static void misdn_lib_isdn_event_catcher(void *arg)
03172 {
03173 struct misdn_lib *mgr = arg;
03174 int zero_frm=0 , fff_frm=0 ;
03175 int midev= mgr->midev;
03176 int port=0;
03177
03178 while (1) {
03179 msg_t *msg = fetch_msg(midev);
03180 iframe_t *frm;
03181
03182
03183 if (!msg) continue;
03184
03185 frm = (iframe_t*) msg->data;
03186
03187
03188 if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
03189 zero_frm++;
03190 free_msg(msg);
03191 continue;
03192 } else {
03193 if (zero_frm) {
03194 cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03195 zero_frm = 0 ;
03196 }
03197 }
03198
03199
03200 if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03201 fff_frm++;
03202 free_msg(msg);
03203 continue;
03204 } else {
03205 if (fff_frm) {
03206 cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03207 fff_frm = 0 ;
03208 }
03209 }
03210
03211 manager_isdn_handler(frm, msg);
03212 }
03213
03214 }
03215
03216
03217
03218
03219 static int te_lib_init(void)
03220 {
03221 char buff[1025] = "";
03222 iframe_t *frm = (iframe_t *) buff;
03223 int midev;
03224 int ret;
03225
03226 midev = mISDN_open();
03227 if (midev <= 0) {
03228 return midev;
03229 }
03230
03231
03232 mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03233
03234 ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03235 entity = frm->dinfo & 0xffff;
03236 if (ret < mISDN_HEADER_LEN || !entity) {
03237 fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n", strerror(errno));
03238 exit(-1);
03239 }
03240
03241 return midev;
03242 }
03243
03244 void te_lib_destroy(int midev)
03245 {
03246 char buf[1024];
03247 mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03248
03249 cb_log(4, 0, "Entity deleted\n");
03250 mISDN_close(midev);
03251 cb_log(4, 0, "midev closed\n");
03252 }
03253
03254 struct misdn_bchannel *manager_find_bc_by_pid(int pid)
03255 {
03256 struct misdn_stack *stack;
03257 int i;
03258
03259 for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
03260 for (i = 0; i <= stack->b_num; i++) {
03261 if (stack->bc[i].in_use && stack->bc[i].pid == pid) {
03262 return &stack->bc[i];
03263 }
03264 }
03265 }
03266
03267 return NULL;
03268 }
03269
03270 static int test_inuse(struct misdn_bchannel *bc)
03271 {
03272 struct timeval now;
03273
03274 if (!bc->in_use) {
03275 gettimeofday(&now, NULL);
03276 if (bc->last_used.tv_sec == now.tv_sec
03277 && misdn_lib_port_is_pri(bc->port)) {
03278 cb_log(2, bc->port, "channel with stid:%x for one second still in use! (n:%d lu:%d)\n",
03279 bc->b_stid, (int) now.tv_sec, (int) bc->last_used.tv_sec);
03280 return 1;
03281 }
03282
03283 cb_log(3,bc->port, "channel with stid:%x not in use!\n", bc->b_stid);
03284 return 0;
03285 }
03286
03287 cb_log(2,bc->port, "channel with stid:%x in use!\n", bc->b_stid);
03288 return 1;
03289 }
03290
03291
03292 static void prepare_bc(struct misdn_bchannel*bc, int channel)
03293 {
03294 bc->channel = channel;
03295 bc->channel_preselected = channel?1:0;
03296 bc->need_disconnect=1;
03297 bc->need_release=1;
03298 bc->need_release_complete=1;
03299 bc->cause = AST_CAUSE_NORMAL_CLEARING;
03300
03301 if (++mypid>5000) mypid=1;
03302 bc->pid=mypid;
03303
03304 #if 0
03305 bc->addr=0;
03306 bc->b_stid=0;
03307 bc->layer_id=0;
03308 #endif
03309
03310 bc->in_use = 1;
03311 }
03312
03313 struct misdn_bchannel *misdn_lib_get_free_bc(int port, int channel, int inout, int dec)
03314 {
03315 struct misdn_stack *stack;
03316 int i;
03317 int maxnum;
03318
03319 if (channel < 0 || channel > MAX_BCHANS) {
03320 cb_log(0, port, "Requested channel out of bounds (%d)\n", channel);
03321 return NULL;
03322 }
03323
03324
03325 stack = find_stack_by_port(port);
03326 if (!stack) {
03327 cb_log(0, port, "Port is not configured (%d)\n", port);
03328 return NULL;
03329 }
03330
03331 if (stack->blocked) {
03332 cb_log(0, port, "Port is blocked\n");
03333 return NULL;
03334 }
03335
03336 pthread_mutex_lock(&stack->st_lock);
03337 if (channel > 0) {
03338 if (channel <= stack->b_num) {
03339 for (i = 0; i < stack->b_num; i++) {
03340 if (stack->bc[i].channel == channel) {
03341 if (test_inuse(&stack->bc[i])) {
03342 pthread_mutex_unlock(&stack->st_lock);
03343 cb_log(0, port, "Requested channel:%d on port:%d is already in use\n", channel, port);
03344 return NULL;
03345 } else {
03346 prepare_bc(&stack->bc[i], channel);
03347 pthread_mutex_unlock(&stack->st_lock);
03348 return &stack->bc[i];
03349 }
03350 }
03351 }
03352 } else {
03353 pthread_mutex_unlock(&stack->st_lock);
03354 cb_log(0, port, "Requested channel:%d is out of bounds on port:%d\n", channel, port);
03355 return NULL;
03356 }
03357 }
03358
03359
03360 maxnum = (inout && !stack->pri && !stack->ptp) ? stack->b_num + 1 : stack->b_num;
03361 if (dec) {
03362 for (i = maxnum - 1; i >= 0; --i) {
03363 if (!test_inuse(&stack->bc[i])) {
03364
03365 if (!stack->pri && i == stack->b_num) {
03366 stack->bc[i].cw = 1;
03367 }
03368
03369 prepare_bc(&stack->bc[i], channel);
03370 stack->bc[i].dec = 1;
03371 pthread_mutex_unlock(&stack->st_lock);
03372 return &stack->bc[i];
03373 }
03374 }
03375 } else {
03376 for (i = 0; i < maxnum; ++i) {
03377 if (!test_inuse(&stack->bc[i])) {
03378
03379 if (!stack->pri && i == stack->b_num) {
03380 stack->bc[i].cw = 1;
03381 }
03382
03383 prepare_bc(&stack->bc[i], channel);
03384 pthread_mutex_unlock(&stack->st_lock);
03385 return &stack->bc[i];
03386 }
03387 }
03388 }
03389 pthread_mutex_unlock(&stack->st_lock);
03390
03391 cb_log(1, port, "There is no free channel on port (%d)\n", port);
03392 return NULL;
03393 }
03394
03395 #if defined(AST_MISDN_ENHANCEMENTS)
03396
03397
03398
03399
03400
03401
03402
03403
03404 struct misdn_bchannel *misdn_lib_get_register_bc(int port)
03405 {
03406 struct misdn_stack *stack;
03407 struct misdn_bchannel *bc;
03408 unsigned index;
03409
03410
03411 stack = find_stack_by_port(port);
03412 if (!stack) {
03413 cb_log(0, port, "Port is not configured (%d)\n", port);
03414 return NULL;
03415 }
03416
03417 if (stack->blocked) {
03418 cb_log(0, port, "Port is blocked\n");
03419 return NULL;
03420 }
03421
03422 pthread_mutex_lock(&stack->st_lock);
03423 for (index = MAX_BCHANS + 1; index < ARRAY_LEN(stack->bc); ++index) {
03424 bc = &stack->bc[index];
03425 if (!test_inuse(bc)) {
03426 prepare_bc(bc, 0);
03427 bc->need_disconnect = 0;
03428 bc->need_release = 0;
03429 pthread_mutex_unlock(&stack->st_lock);
03430 return bc;
03431 }
03432 }
03433 pthread_mutex_unlock(&stack->st_lock);
03434
03435 cb_log(1, port, "There is no free REGISTER link on port (%d)\n", port);
03436 return NULL;
03437 }
03438 #endif
03439
03440
03441
03442
03443
03444
03445
03446 static const char *fac2str(enum FacFunction facility)
03447 {
03448 static const struct {
03449 enum FacFunction facility;
03450 char *name;
03451 } arr[] = {
03452
03453 { Fac_None, "Fac_None" },
03454 #if defined(AST_MISDN_ENHANCEMENTS)
03455 { Fac_ERROR, "Fac_ERROR" },
03456 { Fac_RESULT, "Fac_RESULT" },
03457 { Fac_REJECT, "Fac_REJECT" },
03458
03459 { Fac_ActivationDiversion, "Fac_ActivationDiversion" },
03460 { Fac_DeactivationDiversion, "Fac_DeactivationDiversion" },
03461 { Fac_ActivationStatusNotificationDiv, "Fac_ActivationStatusNotificationDiv" },
03462 { Fac_DeactivationStatusNotificationDiv, "Fac_DeactivationStatusNotificationDiv" },
03463 { Fac_InterrogationDiversion, "Fac_InterrogationDiversion" },
03464 { Fac_DiversionInformation, "Fac_DiversionInformation" },
03465 { Fac_CallDeflection, "Fac_CallDeflection" },
03466 { Fac_CallRerouteing, "Fac_CallRerouteing" },
03467 { Fac_DivertingLegInformation2, "Fac_DivertingLegInformation2" },
03468 { Fac_InterrogateServedUserNumbers, "Fac_InterrogateServedUserNumbers" },
03469 { Fac_DivertingLegInformation1, "Fac_DivertingLegInformation1" },
03470 { Fac_DivertingLegInformation3, "Fac_DivertingLegInformation3" },
03471
03472 { Fac_EctExecute, "Fac_EctExecute" },
03473 { Fac_ExplicitEctExecute, "Fac_ExplicitEctExecute" },
03474 { Fac_RequestSubaddress, "Fac_RequestSubaddress" },
03475 { Fac_SubaddressTransfer, "Fac_SubaddressTransfer" },
03476 { Fac_EctLinkIdRequest, "Fac_EctLinkIdRequest" },
03477 { Fac_EctInform, "Fac_EctInform" },
03478 { Fac_EctLoopTest, "Fac_EctLoopTest" },
03479
03480 { Fac_ChargingRequest, "Fac_ChargingRequest" },
03481 { Fac_AOCSCurrency, "Fac_AOCSCurrency" },
03482 { Fac_AOCSSpecialArr, "Fac_AOCSSpecialArr" },
03483 { Fac_AOCDCurrency, "Fac_AOCDCurrency" },
03484 { Fac_AOCDChargingUnit, "Fac_AOCDChargingUnit" },
03485 { Fac_AOCECurrency, "Fac_AOCECurrency" },
03486 { Fac_AOCEChargingUnit, "Fac_AOCEChargingUnit" },
03487
03488 { Fac_StatusRequest, "Fac_StatusRequest" },
03489
03490 { Fac_CallInfoRetain, "Fac_CallInfoRetain" },
03491 { Fac_EraseCallLinkageID, "Fac_EraseCallLinkageID" },
03492 { Fac_CCBSDeactivate, "Fac_CCBSDeactivate" },
03493 { Fac_CCBSErase, "Fac_CCBSErase" },
03494 { Fac_CCBSRemoteUserFree, "Fac_CCBSRemoteUserFree" },
03495 { Fac_CCBSCall, "Fac_CCBSCall" },
03496 { Fac_CCBSStatusRequest, "Fac_CCBSStatusRequest" },
03497 { Fac_CCBSBFree, "Fac_CCBSBFree" },
03498 { Fac_CCBSStopAlerting, "Fac_CCBSStopAlerting" },
03499
03500 { Fac_CCBSRequest, "Fac_CCBSRequest" },
03501 { Fac_CCBSInterrogate, "Fac_CCBSInterrogate" },
03502
03503 { Fac_CCNRRequest, "Fac_CCNRRequest" },
03504 { Fac_CCNRInterrogate, "Fac_CCNRInterrogate" },
03505
03506 { Fac_CCBS_T_Call, "Fac_CCBS_T_Call" },
03507 { Fac_CCBS_T_Suspend, "Fac_CCBS_T_Suspend" },
03508 { Fac_CCBS_T_Resume, "Fac_CCBS_T_Resume" },
03509 { Fac_CCBS_T_RemoteUserFree, "Fac_CCBS_T_RemoteUserFree" },
03510 { Fac_CCBS_T_Available, "Fac_CCBS_T_Available" },
03511
03512 { Fac_CCBS_T_Request, "Fac_CCBS_T_Request" },
03513
03514 { Fac_CCNR_T_Request, "Fac_CCNR_T_Request" },
03515
03516 #else
03517
03518 { Fac_CFActivate, "Fac_CFActivate" },
03519 { Fac_CFDeactivate, "Fac_CFDeactivate" },
03520 { Fac_CD, "Fac_CD" },
03521
03522 { Fac_AOCDCurrency, "Fac_AOCDCurrency" },
03523 { Fac_AOCDChargingUnit, "Fac_AOCDChargingUnit" },
03524 #endif
03525
03526 };
03527
03528 unsigned index;
03529
03530 for (index = 0; index < ARRAY_LEN(arr); ++index) {
03531 if (arr[index].facility == facility) {
03532 return arr[index].name;
03533 }
03534 }
03535
03536 return "unknown";
03537 }
03538
03539 void misdn_lib_log_ies(struct misdn_bchannel *bc)
03540 {
03541 struct misdn_stack *stack;
03542
03543 if (!bc) return;
03544
03545 stack = get_stack_by_bc(bc);
03546
03547 if (!stack) return;
03548
03549 cb_log(2, stack->port,
03550 " --> channel:%d mode:%s cause:%d ocause:%d\n",
03551 bc->channel,
03552 stack->nt ? "NT" : "TE",
03553 bc->cause,
03554 bc->out_cause);
03555
03556 cb_log(2, stack->port,
03557 " --> info_dad:%s dialed numtype:%d plan:%d\n",
03558 bc->info_dad,
03559 bc->dialed.number_type,
03560 bc->dialed.number_plan);
03561
03562 cb_log(2, stack->port,
03563 " --> caller:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03564 bc->caller.name,
03565 bc->caller.number,
03566 bc->caller.number_type,
03567 bc->caller.number_plan,
03568 bc->caller.presentation,
03569 bc->caller.screening);
03570
03571 cb_log(2, stack->port,
03572 " --> redirecting-from:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03573 bc->redirecting.from.name,
03574 bc->redirecting.from.number,
03575 bc->redirecting.from.number_type,
03576 bc->redirecting.from.number_plan,
03577 bc->redirecting.from.presentation,
03578 bc->redirecting.from.screening);
03579 cb_log(2, stack->port,
03580 " --> redirecting-to:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03581 bc->redirecting.to.name,
03582 bc->redirecting.to.number,
03583 bc->redirecting.to.number_type,
03584 bc->redirecting.to.number_plan,
03585 bc->redirecting.to.presentation,
03586 bc->redirecting.to.screening);
03587 cb_log(2, stack->port,
03588 " --> redirecting reason:%d count:%d\n",
03589 bc->redirecting.reason,
03590 bc->redirecting.count);
03591
03592 cb_log(2, stack->port,
03593 " --> connected:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03594 bc->connected.name,
03595 bc->connected.number,
03596 bc->connected.number_type,
03597 bc->connected.number_plan,
03598 bc->connected.presentation,
03599 bc->connected.screening);
03600
03601 cb_log(3, stack->port, " --> caps:%s pi:%x keypad:%s sending_complete:%d\n", bearer2str(bc->capability),bc->progress_indicator, bc->keypad, bc->sending_complete);
03602
03603 cb_log(4, stack->port, " --> set_pres:%d pres:%d\n", bc->set_presentation, bc->presentation);
03604
03605 cb_log(4, stack->port, " --> addr:%x l3id:%x b_stid:%x layer_id:%x\n", bc->addr, bc->l3_id, bc->b_stid, bc->layer_id);
03606
03607 cb_log(4, stack->port, " --> facility in:%s out:%s\n", fac2str(bc->fac_in.Function), fac2str(bc->fac_out.Function));
03608
03609 cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03610
03611 cb_log(5, stack->port, " --> bc:%p h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03612 }
03613
03614
03615 #define RETURN(a,b) {retval=a; goto b;}
03616
03617 static void misdn_send_lock(struct misdn_bchannel *bc)
03618 {
03619
03620 if (bc->send_lock)
03621 pthread_mutex_lock(&bc->send_lock->lock);
03622 }
03623
03624 static void misdn_send_unlock(struct misdn_bchannel *bc)
03625 {
03626
03627 if (bc->send_lock)
03628 pthread_mutex_unlock(&bc->send_lock->lock);
03629 }
03630
03631 int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
03632 {
03633 msg_t *msg;
03634 struct misdn_bchannel *bc2;
03635 struct misdn_bchannel *held_bc;
03636 struct misdn_stack *stack;
03637 int retval = 0;
03638 int channel;
03639 int tmpcause;
03640 int tmp_out_cause;
03641
03642 if (!bc)
03643 RETURN(-1,OUT_POST_UNLOCK);
03644
03645 stack = get_stack_by_bc(bc);
03646 if (!stack) {
03647 cb_log(0,bc->port,
03648 "SENDEVENT: no Stack for event:%s caller:\"%s\" <%s> dialed:%s \n",
03649 isdn_get_info(msgs_g, event, 0),
03650 bc->caller.name,
03651 bc->caller.number,
03652 bc->dialed.number);
03653 RETURN(-1,OUT);
03654 }
03655
03656 misdn_send_lock(bc);
03657
03658
03659 cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->upperid:%x\n",stack->nt, stack->upper_id);
03660
03661 if ( stack->nt && !stack->l1link) {
03662
03663 bc->evq=event;
03664 cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03665 misdn_lib_get_l1_up(stack);
03666 RETURN(0,OUT);
03667 }
03668
03669 cb_log(1, stack->port,
03670 "I SEND:%s caller:\"%s\" <%s> dialed:%s pid:%d\n",
03671 isdn_get_info(msgs_g, event, 0),
03672 bc->caller.name,
03673 bc->caller.number,
03674 bc->dialed.number,
03675 bc->pid);
03676 cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03677 misdn_lib_log_ies(bc);
03678
03679 switch (event) {
03680 case EVENT_REGISTER:
03681 case EVENT_SETUP:
03682 if (create_process(glob_mgr->midev, bc) < 0) {
03683 cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03684
03685 RETURN(-ENOCHAN,OUT);
03686 }
03687 break;
03688
03689 case EVENT_PROGRESS:
03690 case EVENT_ALERTING:
03691 case EVENT_PROCEEDING:
03692 case EVENT_SETUP_ACKNOWLEDGE:
03693 case EVENT_CONNECT:
03694 if (!stack->nt)
03695 break;
03696
03697 case EVENT_RETRIEVE_ACKNOWLEDGE:
03698 if (stack->nt) {
03699 if (bc->channel <=0 ) {
03700 if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03701 cb_log(0, stack->port, " No free channel at the moment\n");
03702
03703 RETURN(-ENOCHAN,OUT);
03704 }
03705 }
03706
03707 }
03708
03709 retval=setup_bc(bc);
03710 if (retval == -EINVAL) {
03711 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03712 }
03713
03714 if (misdn_cap_is_speech(bc->capability)) {
03715 if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03716 if ( *bc->crypt_key ) {
03717 cb_log(4, stack->port,
03718 " --> ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
03719 bc->channel,
03720 bc->caller.number_type,
03721 bc->caller.name,
03722 bc->caller.number,
03723 bc->dialed.number_type,
03724 bc->dialed.number);
03725
03726 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03727 }
03728
03729 if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03730 manager_ec_enable(bc);
03731
03732 if (bc->txgain != 0) {
03733 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03734 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03735 }
03736
03737 if ( bc->rxgain != 0 ) {
03738 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03739 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03740 }
03741 }
03742 }
03743 break;
03744
03745 case EVENT_HOLD_ACKNOWLEDGE:
03746 held_bc = malloc(sizeof(struct misdn_bchannel));
03747 if (!held_bc) {
03748 cb_log(0, bc->port, "Could not allocate held_bc!!!\n");
03749 RETURN(-1,OUT);
03750 }
03751
03752
03753 *held_bc = *bc;
03754 held_bc->holded = 1;
03755 held_bc->channel = 0;
03756 held_bc->channel_preselected = 0;
03757 held_bc->channel_found = 0;
03758 bc_state_change(held_bc, BCHAN_CLEANED);
03759 stack_holder_add(stack, held_bc);
03760
03761
03762 if (stack->nt) {
03763 if (bc->bc_state == BCHAN_BRIDGED) {
03764 misdn_split_conf(bc,bc->conf_id);
03765 bc2 = find_bc_by_confid(bc->conf_id);
03766 if (!bc2) {
03767 cb_log(0,bc->port,"We have no second bc in bridge???\n");
03768 } else {
03769 misdn_split_conf(bc2,bc->conf_id);
03770 }
03771 }
03772
03773 channel = bc->channel;
03774
03775 empty_bc(bc);
03776 clean_up_bc(bc);
03777
03778 if (channel>0)
03779 empty_chan_in_stack(stack,channel);
03780
03781 bc->in_use=0;
03782 }
03783 break;
03784
03785
03786 case EVENT_DISCONNECT:
03787 if (!bc->need_disconnect) {
03788 cb_log(0, bc->port, " --> we have already sent DISCONNECT\n");
03789 RETURN(-1,OUT);
03790 }
03791
03792 bc->need_disconnect=0;
03793 break;
03794 case EVENT_RELEASE:
03795 if (!bc->need_release) {
03796 cb_log(0, bc->port, " --> we have already sent RELEASE\n");
03797 RETURN(-1,OUT);
03798 }
03799 bc->need_disconnect=0;
03800 bc->need_release=0;
03801 break;
03802 case EVENT_RELEASE_COMPLETE:
03803 if (!bc->need_release_complete) {
03804 cb_log(0, bc->port, " --> we have already sent RELEASE_COMPLETE\n");
03805 RETURN(-1,OUT);
03806 }
03807 bc->need_disconnect=0;
03808 bc->need_release=0;
03809 bc->need_release_complete=0;
03810
03811 if (!stack->nt) {
03812
03813 channel = bc->channel;
03814 tmpcause = bc->cause;
03815 tmp_out_cause = bc->out_cause;
03816
03817 empty_bc(bc);
03818 bc->cause=tmpcause;
03819 bc->out_cause=tmp_out_cause;
03820 clean_up_bc(bc);
03821
03822 if (channel>0)
03823 empty_chan_in_stack(stack,channel);
03824
03825 bc->in_use=0;
03826 }
03827 break;
03828
03829 case EVENT_CONNECT_ACKNOWLEDGE:
03830 if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03831 int retval=setup_bc(bc);
03832 if (retval == -EINVAL){
03833 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03834
03835 }
03836 }
03837
03838 if (misdn_cap_is_speech(bc->capability)) {
03839 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03840 manager_ec_enable(bc);
03841
03842 if ( bc->txgain != 0 ) {
03843 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03844 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03845 }
03846 if ( bc->rxgain != 0 ) {
03847 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03848 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03849 }
03850 }
03851 break;
03852
03853 default:
03854 break;
03855 }
03856
03857
03858 msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03859 if (!msg) {
03860
03861
03862
03863
03864
03865
03866
03867 RETURN(-1, OUT);
03868 } else {
03869 msg_queue_tail(&stack->downqueue, msg);
03870 sem_post(&glob_mgr->new_msg);
03871 }
03872
03873 OUT:
03874 misdn_send_unlock(bc);
03875
03876 OUT_POST_UNLOCK:
03877 return retval;
03878 }
03879
03880
03881 static int handle_err(msg_t *msg)
03882 {
03883 iframe_t *frm = (iframe_t*) msg->data;
03884
03885
03886 if (!frm->addr) {
03887 static int cnt=0;
03888 if (!cnt)
03889 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03890 cnt++;
03891 if (cnt>100) {
03892 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03893 cnt=0;
03894 }
03895
03896 free_msg(msg);
03897 return 1;
03898
03899 }
03900
03901 switch (frm->prim) {
03902 case MGR_SETSTACK|INDICATION:
03903 return handle_bchan(msg);
03904 break;
03905
03906 case MGR_SETSTACK|CONFIRM:
03907 case MGR_CLEARSTACK|CONFIRM:
03908 free_msg(msg) ;
03909 return 1;
03910 break;
03911
03912 case DL_DATA|CONFIRM:
03913 cb_log(4,0,"DL_DATA|CONFIRM\n");
03914 free_msg(msg);
03915 return 1;
03916
03917 case PH_CONTROL|CONFIRM:
03918 cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03919 free_msg(msg);
03920 return 1;
03921
03922 case DL_DATA|INDICATION:
03923 {
03924 int port=(frm->addr&MASTER_ID_MASK) >> 8;
03925 int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03926 struct misdn_bchannel *bc;
03927
03928
03929
03930 cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03931
03932 free_msg(msg);
03933 return 1;
03934
03935
03936 bc = find_bc_by_channel(port, channel);
03937
03938 if (!bc) {
03939 struct misdn_stack *stack = find_stack_by_port(port);
03940
03941 if (!stack) {
03942 cb_log(0,0," --> stack not found\n");
03943 free_msg(msg);
03944 return 1;
03945 }
03946
03947 cb_log(0,0," --> bc not found by channel\n");
03948 if (stack->l2link)
03949 misdn_lib_get_l2_down(stack);
03950
03951 if (stack->l1link)
03952 misdn_lib_get_l1_down(stack);
03953
03954 free_msg(msg);
03955 return 1;
03956 }
03957
03958 cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03959 }
03960 }
03961
03962 return 0;
03963 }
03964
03965 #if 0
03966 static int queue_l2l3(msg_t *msg)
03967 {
03968 iframe_t *frm= (iframe_t*)msg->data;
03969 struct misdn_stack *stack;
03970 stack=find_stack_by_addr( frm->addr );
03971
03972
03973 if (!stack) {
03974 return 0;
03975 }
03976
03977 msg_queue_tail(&stack->upqueue, msg);
03978 sem_post(&glob_mgr->new_msg);
03979 return 1;
03980 }
03981 #endif
03982
03983 int manager_isdn_handler(iframe_t *frm ,msg_t *msg)
03984 {
03985
03986 if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03987 cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03988 }
03989
03990 if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03991 static int unhandled_bmsg_count=1000;
03992 if (handle_bchan(msg)) {
03993 return 0 ;
03994 }
03995
03996 if (unhandled_bmsg_count==1000) {
03997 cb_log(0, 0, "received 1k Unhandled Bchannel Messages: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);
03998 unhandled_bmsg_count=0;
03999 }
04000
04001 unhandled_bmsg_count++;
04002 free_msg(msg);
04003 return 0;
04004 }
04005
04006 #ifdef RECV_FRM_SYSLOG_DEBUG
04007 syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
04008 #endif
04009
04010 if (handle_timers(msg))
04011 return 0 ;
04012
04013
04014 if (handle_mgmt(msg))
04015 return 0 ;
04016
04017 if (handle_l2(msg))
04018 return 0 ;
04019
04020
04021 if (handle_l1(msg))
04022 return 0 ;
04023
04024 if (handle_frm_nt(msg)) {
04025 return 0;
04026 }
04027
04028 if (handle_frm(msg)) {
04029 return 0;
04030 }
04031
04032 if (handle_err(msg)) {
04033 return 0 ;
04034 }
04035
04036 cb_log(0, 0, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);
04037 free_msg(msg);
04038
04039
04040 return 0;
04041 }
04042
04043
04044
04045
04046 int misdn_lib_get_port_info(int port)
04047 {
04048 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
04049 iframe_t *frm;
04050 struct misdn_stack *stack=find_stack_by_port(port);
04051 if (!msg) {
04052 cb_log(0, port, "misdn_lib_get_port_info: alloc_msg failed!\n");
04053 return -1;
04054 }
04055 frm=(iframe_t*)msg->data;
04056 if (!stack ) {
04057 cb_log(0, port, "There is no Stack for this port.\n");
04058 return -1;
04059 }
04060
04061 frm->prim = CC_STATUS_ENQUIRY | REQUEST;
04062
04063 frm->addr = stack->upper_id| FLG_MSG_DOWN;
04064
04065 frm->dinfo = 0;
04066 frm->len = 0;
04067
04068 msg_queue_tail(&glob_mgr->activatequeue, msg);
04069 sem_post(&glob_mgr->new_msg);
04070
04071
04072 return 0;
04073 }
04074
04075
04076 int queue_cleanup_bc(struct misdn_bchannel *bc)
04077 {
04078 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
04079 iframe_t *frm;
04080 if (!msg) {
04081 cb_log(0, bc->port, "queue_cleanup_bc: alloc_msg failed!\n");
04082 return -1;
04083 }
04084 frm=(iframe_t*)msg->data;
04085
04086
04087 frm->prim = MGR_CLEARSTACK| REQUEST;
04088
04089 frm->addr = bc->l3_id;
04090
04091 frm->dinfo = bc->port;
04092 frm->len = 0;
04093
04094 msg_queue_tail(&glob_mgr->activatequeue, msg);
04095 sem_post(&glob_mgr->new_msg);
04096
04097 return 0;
04098
04099 }
04100
04101 int misdn_lib_pid_restart(int pid)
04102 {
04103 struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
04104
04105 if (bc) {
04106 manager_clean_bc(bc);
04107 }
04108 return 0;
04109 }
04110
04111
04112 int misdn_lib_send_restart(int port, int channel)
04113 {
04114 struct misdn_stack *stack=find_stack_by_port(port);
04115 struct misdn_bchannel dummybc;
04116
04117 cb_log(0, port, "Sending Restarts on this port.\n");
04118
04119 misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
04120
04121
04122 if (channel <0) {
04123 dummybc.channel=-1;
04124 cb_log(0, port, "Restarting and all Interfaces\n");
04125 misdn_lib_send_event(&dummybc, EVENT_RESTART);
04126
04127 return 0;
04128 }
04129
04130
04131 if (channel >0) {
04132 int cnt;
04133 dummybc.channel=channel;
04134 cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
04135 misdn_lib_send_event(&dummybc, EVENT_RESTART);
04136
04137
04138 for (cnt=0; cnt<=stack->b_num; cnt++) {
04139 if (stack->bc[cnt].in_use && stack->bc[cnt].channel == channel) {
04140 empty_bc(&stack->bc[cnt]);
04141 clean_up_bc(&stack->bc[cnt]);
04142 stack->bc[cnt].in_use=0;
04143 }
04144 }
04145 }
04146
04147 return 0;
04148 }
04149
04150
04151 int misdn_lib_port_restart(int port)
04152 {
04153 struct misdn_stack *stack=find_stack_by_port(port);
04154
04155 cb_log(0, port, "Restarting this port.\n");
04156 if (stack) {
04157 cb_log(0, port, "Stack:%p\n",stack);
04158
04159 clear_l3(stack);
04160 {
04161 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
04162 iframe_t *frm;
04163
04164 if (!msg) {
04165 cb_log(0, port, "port_restart: alloc_msg failed\n");
04166 return -1;
04167 }
04168
04169 frm=(iframe_t*)msg->data;
04170
04171
04172 frm->prim = DL_RELEASE | REQUEST;
04173 frm->addr = stack->upper_id | FLG_MSG_DOWN;
04174
04175 frm->dinfo = 0;
04176 frm->len = 0;
04177 msg_queue_tail(&glob_mgr->activatequeue, msg);
04178 sem_post(&glob_mgr->new_msg);
04179 }
04180
04181 if (stack->nt)
04182 misdn_lib_reinit_nt_stack(stack->port);
04183
04184 }
04185
04186 return 0;
04187 }
04188
04189
04190
04191 static sem_t handler_started;
04192
04193
04194 static void manager_event_handler(void *arg)
04195 {
04196 sem_post(&handler_started);
04197 while (1) {
04198 struct misdn_stack *stack;
04199 msg_t *msg;
04200
04201
04202 sem_wait(&glob_mgr->new_msg);
04203
04204 for (msg=msg_dequeue(&glob_mgr->activatequeue);
04205 msg;
04206 msg=msg_dequeue(&glob_mgr->activatequeue)
04207 )
04208 {
04209
04210 iframe_t *frm = (iframe_t*) msg->data ;
04211
04212 switch ( frm->prim) {
04213
04214 case MGR_CLEARSTACK | REQUEST:
04215
04216 {
04217 struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
04218 struct misdn_bchannel *bc;
04219 if (!stack) {
04220 cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
04221 free_msg(msg);
04222 break;
04223 }
04224
04225 bc = find_bc_by_l3id(stack, frm->addr);
04226 if (bc) {
04227 cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
04228 clean_up_bc(bc);
04229 } else {
04230 cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
04231 }
04232 }
04233 free_msg(msg);
04234 break;
04235 case MGR_SETSTACK | REQUEST :
04236 free_msg(msg);
04237 break;
04238 default:
04239 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04240 free_msg(msg);
04241 }
04242 }
04243
04244 for (stack=glob_mgr->stack_list;
04245 stack;
04246 stack=stack->next ) {
04247
04248 while ( (msg=msg_dequeue(&stack->upqueue)) ) {
04249
04250 if (!handle_frm_nt(msg)) {
04251
04252 if (!handle_frm(msg)) {
04253
04254 cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
04255 }
04256 }
04257 }
04258
04259
04260
04261
04262
04263
04264 while ( (msg=msg_dequeue(&stack->downqueue)) ) {
04265 if (stack->nt ) {
04266 pthread_mutex_lock(&stack->nstlock);
04267 if (stack->nst.manager_l3(&stack->nst, msg))
04268 cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
04269 pthread_mutex_unlock(&stack->nstlock);
04270 } else {
04271 iframe_t *frm = (iframe_t *)msg->data;
04272 struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
04273 if (bc)
04274 send_msg(glob_mgr->midev, bc, msg);
04275 else {
04276 if (frm->dinfo == MISDN_ID_GLOBAL || frm->dinfo == MISDN_ID_DUMMY ) {
04277 struct misdn_bchannel dummybc;
04278 cb_log(5,0," --> GLOBAL/DUMMY\n");
04279 misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
04280 send_msg(glob_mgr->midev, &dummybc, msg);
04281 } else {
04282 cb_log(0,0,"No bc for Message\n");
04283 }
04284 }
04285 }
04286 }
04287 }
04288 }
04289 }
04290
04291
04292 int misdn_lib_maxports_get(void)
04293 {
04294
04295
04296 int i = mISDN_open();
04297 int max=0;
04298
04299 if (i<0)
04300 return -1;
04301
04302 max = mISDN_get_stack_count(i);
04303
04304 mISDN_close(i);
04305
04306 return max;
04307 }
04308
04309
04310 void misdn_lib_nt_keepcalls( int kc)
04311 {
04312 #ifdef FEATURE_NET_KEEPCALLS
04313 if (kc) {
04314 struct misdn_stack *stack=get_misdn_stack();
04315 for ( ; stack; stack=stack->next) {
04316 stack->nst.feature |= FEATURE_NET_KEEPCALLS;
04317 }
04318 }
04319 #endif
04320 }
04321
04322 void misdn_lib_nt_debug_init( int flags, char *file )
04323 {
04324 static int init=0;
04325 char *f;
04326
04327 if (!flags)
04328 f=NULL;
04329 else
04330 f=file;
04331
04332 if (!init) {
04333 debug_init( flags , f, f, f);
04334 init=1;
04335 } else {
04336 debug_close();
04337 debug_init( flags , f, f, f);
04338 }
04339 }
04340
04341 int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data)
04342 {
04343 struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
04344 char *tok, *tokb;
04345 char plist[1024];
04346 int midev;
04347 int port_count=0;
04348
04349 cb_log = iface->cb_log;
04350 cb_event = iface->cb_event;
04351 cb_jb_empty = iface->cb_jb_empty;
04352
04353 glob_mgr = mgr;
04354
04355 msg_init();
04356
04357 misdn_lib_nt_debug_init(0,NULL);
04358
04359 if (!portlist || (*portlist == 0) ) return 1;
04360
04361 init_flip_bits();
04362
04363 {
04364 strncpy(plist,portlist, 1024);
04365 plist[1023] = 0;
04366 }
04367
04368 memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
04369 flip_buf_bits(tone_425_flip,TONE_425_SIZE);
04370
04371 memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
04372 flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
04373
04374 midev=te_lib_init();
04375 mgr->midev=midev;
04376
04377 port_count=mISDN_get_stack_count(midev);
04378
04379 msg_queue_init(&mgr->activatequeue);
04380
04381 if (sem_init(&mgr->new_msg, 1, 0)<0)
04382 sem_init(&mgr->new_msg, 0, 0);
04383
04384 for (tok=strtok_r(plist," ,",&tokb );
04385 tok;
04386 tok=strtok_r(NULL," ,",&tokb)) {
04387 int port = atoi(tok);
04388 struct misdn_stack *stack;
04389 struct misdn_stack *help;
04390 int ptp=0;
04391 int i;
04392 int r;
04393
04394 if (strstr(tok, "ptp"))
04395 ptp=1;
04396
04397 if (port > port_count) {
04398 cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
04399 exit(1);
04400 }
04401
04402 stack = stack_init(midev, port, ptp);
04403 if (!stack) {
04404 perror("stack_init");
04405 exit(1);
04406 }
04407
04408
04409 for (i = 0; i <= stack->b_num; i++) {
04410 r = init_bc(stack, &stack->bc[i], stack->midev, port, i);
04411 if (r < 0) {
04412 cb_log(0, port, "Got Err @ init_bc :%d\n", r);
04413 exit(1);
04414 }
04415 }
04416 #if defined(AST_MISDN_ENHANCEMENTS)
04417
04418 for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
04419 r = init_bc(stack, &stack->bc[i], stack->midev, port, i);
04420 if (r < 0) {
04421 cb_log(0, port, "Got Err @ init_bc :%d\n", r);
04422 exit(1);
04423 }
04424 stack->bc[i].is_register_pool = 1;
04425 }
04426 #endif
04427
04428
04429 help = mgr->stack_list;
04430 if (!help) {
04431 mgr->stack_list = stack;
04432 } else {
04433 while (help->next) {
04434 help = help->next;
04435 }
04436 help->next = stack;
04437 }
04438 }
04439
04440 if (sem_init(&handler_started, 1, 0)<0)
04441 sem_init(&handler_started, 0, 0);
04442
04443 cb_log(8, 0, "Starting Event Handler\n");
04444 pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04445
04446 sem_wait(&handler_started) ;
04447 cb_log(8, 0, "Starting Event Catcher\n");
04448 pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04449
04450 cb_log(8, 0, "Event Catcher started\n");
04451
04452 global_state= MISDN_INITIALIZED;
04453
04454 return (mgr == NULL);
04455 }
04456
04457 void misdn_lib_destroy(void)
04458 {
04459 struct misdn_stack *help;
04460 int i;
04461
04462 for ( help=glob_mgr->stack_list; help; help=help->next ) {
04463 for(i=0;i<=help->b_num; i++) {
04464 char buf[1024];
04465 mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04466 help->bc[i].addr = 0;
04467 }
04468 cb_log (1, help->port, "Destroying this port.\n");
04469 stack_destroy(help);
04470 }
04471
04472 if (global_state == MISDN_INITIALIZED) {
04473 cb_log(4, 0, "Killing Handler Thread\n");
04474 if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04475 cb_log(4, 0, "Joining Handler Thread\n");
04476 pthread_join(glob_mgr->event_handler_thread, NULL);
04477 }
04478
04479 cb_log(4, 0, "Killing Main Thread\n");
04480 if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04481 cb_log(4, 0, "Joining Main Thread\n");
04482 pthread_join(glob_mgr->event_thread, NULL);
04483 }
04484 }
04485
04486 cb_log(1, 0, "Closing mISDN device\n");
04487 te_lib_destroy(glob_mgr->midev);
04488 }
04489
04490 char *manager_isdn_get_info(enum event_e event)
04491 {
04492 return isdn_get_info(msgs_g , event, 0);
04493 }
04494
04495 void manager_bchannel_activate(struct misdn_bchannel *bc)
04496 {
04497 char buf[128];
04498
04499 struct misdn_stack *stack=get_stack_by_bc(bc);
04500
04501 if (!stack) {
04502 cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04503 return ;
04504 }
04505
04506
04507 clear_ibuffer(bc->astbuf);
04508
04509 cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04510
04511 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04512
04513 return ;
04514 }
04515
04516
04517 void manager_bchannel_deactivate(struct misdn_bchannel * bc)
04518 {
04519 struct misdn_stack *stack=get_stack_by_bc(bc);
04520 char buf[128];
04521
04522 switch (bc->bc_state) {
04523 case BCHAN_ACTIVATED:
04524 break;
04525 case BCHAN_BRIDGED:
04526 misdn_split_conf(bc,bc->conf_id);
04527 break;
04528 default:
04529 cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04530 return ;
04531
04532 }
04533
04534 cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04535
04536 bc->generate_tone=0;
04537
04538 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04539
04540 clear_ibuffer(bc->astbuf);
04541
04542 bc_state_change(bc,BCHAN_RELEASE);
04543
04544 return;
04545 }
04546
04547
04548 int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len)
04549 {
04550 struct misdn_stack *stack=get_stack_by_bc(bc);
04551 char buf[4096 + mISDN_HEADER_LEN];
04552 iframe_t *frm = (iframe_t*)buf;
04553
04554 switch (bc->bc_state) {
04555 case BCHAN_ACTIVATED:
04556 case BCHAN_BRIDGED:
04557 break;
04558 default:
04559 cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04560 return -1;
04561 }
04562
04563 frm->prim = DL_DATA|REQUEST;
04564 frm->dinfo = 0;
04565 frm->addr = bc->addr | FLG_MSG_DOWN ;
04566
04567 frm->len = len;
04568 memcpy(&buf[mISDN_HEADER_LEN], data,len);
04569
04570 if ( misdn_cap_is_speech(bc->capability) )
04571 flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04572 else
04573 cb_log(6, stack->port, "Writing %d data bytes\n",len);
04574
04575 cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04576 mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04577 return 0;
04578 }
04579
04580
04581
04582
04583
04584
04585 void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2)
04586 {
04587 unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04588 iframe_t *ctrl = (iframe_t *)buffer;
04589 unsigned int *d = (unsigned int*)&ctrl->data.p;
04590
04591
04592 cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04593
04594 ctrl->prim = PH_CONTROL | REQUEST;
04595 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04596 ctrl->dinfo = 0;
04597 ctrl->len = sizeof(unsigned int)*2;
04598 *d++ = c1;
04599 *d++ = c2;
04600 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04601 }
04602
04603
04604
04605
04606 void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
04607 {
04608 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04609 }
04610
04611 void isdn_lib_update_txgain (struct misdn_bchannel *bc)
04612 {
04613 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04614 }
04615
04616 void isdn_lib_update_ec (struct misdn_bchannel *bc)
04617 {
04618 #ifdef MISDN_1_2
04619 if (*bc->pipeline)
04620 #else
04621 if (bc->ec_enable)
04622 #endif
04623 manager_ec_enable(bc);
04624 else
04625 manager_ec_disable(bc);
04626 }
04627
04628 void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
04629 {
04630 manager_ph_control(bc, DTMF_TONE_STOP, 0);
04631 }
04632
04633
04634
04635
04636 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
04637 {
04638 unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04639 iframe_t *ctrl = (iframe_t *)buffer;
04640 unsigned int *d = (unsigned int *)&ctrl->data.p;
04641
04642
04643 ctrl->prim = PH_CONTROL | REQUEST;
04644 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04645 ctrl->dinfo = 0;
04646 ctrl->len = sizeof(unsigned int) + c2_len;
04647 *d++ = c1;
04648 memcpy(d, c2, c2_len);
04649 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04650 }
04651
04652
04653
04654
04655 void manager_clean_bc(struct misdn_bchannel *bc )
04656 {
04657 struct misdn_stack *stack=get_stack_by_bc(bc);
04658
04659 if (stack && bc->channel > 0) {
04660 empty_chan_in_stack(stack, bc->channel);
04661 }
04662 empty_bc(bc);
04663 bc->in_use=0;
04664
04665 cb_event(EVENT_CLEANUP, bc, NULL);
04666 }
04667
04668
04669 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder)
04670 {
04671 struct misdn_bchannel *help;
04672 cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04673
04674 holder->stack_holder=1;
04675 holder->next=NULL;
04676
04677 if (!stack->holding) {
04678 stack->holding = holder;
04679 return;
04680 }
04681
04682 for (help=stack->holding;
04683 help;
04684 help=help->next) {
04685 if (!help->next) {
04686 help->next=holder;
04687 break;
04688 }
04689 }
04690
04691 }
04692
04693 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder)
04694 {
04695 struct misdn_bchannel *h1;
04696
04697 if (!holder->stack_holder) return;
04698
04699 holder->stack_holder=0;
04700
04701 cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04702 if (!stack || ! stack->holding) return;
04703
04704 if (holder == stack->holding) {
04705 stack->holding = stack->holding->next;
04706 return;
04707 }
04708
04709 for (h1=stack->holding;
04710 h1;
04711 h1=h1->next) {
04712 if (h1->next == holder) {
04713 h1->next=h1->next->next;
04714 return ;
04715 }
04716 }
04717 }
04718
04719 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id)
04720 {
04721 struct misdn_bchannel *help;
04722
04723 cb_log(4,stack?stack->port:0, "*HOLDER: find %lx\n",l3id);
04724
04725 if (!stack) return NULL;
04726
04727 for (help=stack->holding;
04728 help;
04729 help=help->next) {
04730 if (help->l3_id == l3id) {
04731 cb_log(4,stack->port, "*HOLDER: found bc\n");
04732 return help;
04733 }
04734 }
04735
04736 cb_log(4,stack->port, "*HOLDER: find nothing\n");
04737 return NULL;
04738 }
04739
04740
04741
04742
04743
04744
04745
04746
04747
04748 struct misdn_bchannel *misdn_lib_find_held_bc(int port, int l3_id)
04749 {
04750 struct misdn_bchannel *bc;
04751 struct misdn_stack *stack;
04752
04753 bc = NULL;
04754 for (stack = get_misdn_stack(); stack; stack = stack->next) {
04755 if (stack->port == port) {
04756 bc = stack_holder_find(stack, l3_id);
04757 break;
04758 }
04759 }
04760
04761 return bc;
04762 }
04763
04764 void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone)
04765 {
04766 char buf[mISDN_HEADER_LEN + 128] = "";
04767 iframe_t *frm = (iframe_t*)buf;
04768
04769 switch(tone) {
04770 case TONE_DIAL:
04771 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04772 break;
04773
04774 case TONE_ALERTING:
04775 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04776 break;
04777
04778 case TONE_HANGUP:
04779 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04780 break;
04781
04782 case TONE_NONE:
04783 default:
04784 manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04785 }
04786
04787 frm->prim=DL_DATA|REQUEST;
04788 frm->addr=bc->addr|FLG_MSG_DOWN;
04789 frm->dinfo=0;
04790 frm->len=128;
04791
04792 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04793 }
04794
04795
04796 void manager_ec_enable(struct misdn_bchannel *bc)
04797 {
04798 struct misdn_stack *stack=get_stack_by_bc(bc);
04799
04800 cb_log(4, stack?stack->port:0,"ec_enable\n");
04801
04802 if (!misdn_cap_is_speech(bc->capability)) {
04803 cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04804 } else {
04805
04806 #ifdef MISDN_1_2
04807 if (*bc->pipeline) {
04808 cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04809 manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04810 }
04811 #else
04812 int ec_arr[2];
04813
04814 if (bc->ec_enable) {
04815 cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04816
04817 switch (bc->ec_deftaps) {
04818 case 4:
04819 case 8:
04820 case 16:
04821 case 32:
04822 case 64:
04823 case 128:
04824 case 256:
04825 case 512:
04826 case 1024:
04827 cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04828 break;
04829 default:
04830 cb_log(0, stack->port, "Taps should be power of 2\n");
04831 bc->ec_deftaps=128;
04832 }
04833
04834 ec_arr[0]=bc->ec_deftaps;
04835 ec_arr[1]=0;
04836
04837 manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr));
04838 }
04839 #endif
04840 }
04841 }
04842
04843
04844
04845 void manager_ec_disable(struct misdn_bchannel *bc)
04846 {
04847 struct misdn_stack *stack=get_stack_by_bc(bc);
04848
04849 cb_log(4, stack?stack->port:0," --> ec_disable\n");
04850
04851 if (!misdn_cap_is_speech(bc->capability)) {
04852 cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04853 return;
04854 }
04855
04856 #ifdef MISDN_1_2
04857 manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04858 #else
04859 if ( ! bc->ec_enable) {
04860 cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04861 manager_ph_control(bc, ECHOCAN_OFF, 0);
04862 }
04863 #endif
04864 }
04865
04866 struct misdn_stack *get_misdn_stack(void)
04867 {
04868 return glob_mgr->stack_list;
04869 }
04870
04871
04872
04873 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id)
04874 {
04875 char data[16] = "";
04876
04877 bc_state_change(bc,BCHAN_BRIDGED);
04878 manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04879 manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04880
04881 cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04882
04883 misdn_lib_tx2misdn_frm(bc, data, sizeof(data) - 1);
04884 }
04885
04886
04887 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id)
04888 {
04889 bc_state_change(bc,BCHAN_ACTIVATED);
04890 manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04891 manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04892
04893 cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04894 }
04895
04896 void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04897 {
04898 int conf_id = bc1->pid + 1;
04899 struct misdn_bchannel *bc_list[] = { bc1, bc2, NULL };
04900 struct misdn_bchannel **bc;
04901
04902 cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04903
04904 for (bc=bc_list; *bc; bc++) {
04905 (*bc)->conf_id=conf_id;
04906 cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04907
04908 switch((*bc)->bc_state) {
04909 case BCHAN_ACTIVATED:
04910 misdn_join_conf(*bc,conf_id);
04911 break;
04912 default:
04913 bc_next_state_change(*bc,BCHAN_BRIDGED);
04914 break;
04915 }
04916 }
04917 }
04918
04919 void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04920 {
04921
04922 struct misdn_bchannel *bc_list[]={
04923 bc1,bc2,NULL
04924 };
04925 struct misdn_bchannel **bc;
04926
04927 for (bc=bc_list; *bc; bc++) {
04928 if ( (*bc)->bc_state == BCHAN_BRIDGED){
04929 misdn_split_conf( *bc, (*bc)->conf_id);
04930 } else {
04931 cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04932 }
04933 }
04934
04935 }
04936
04937
04938
04939 void misdn_lib_echo(struct misdn_bchannel *bc, int onoff)
04940 {
04941 cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04942 manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04943 }
04944
04945
04946
04947 void misdn_lib_reinit_nt_stack(int port)
04948 {
04949 struct misdn_stack *stack=find_stack_by_port(port);
04950
04951 if (stack) {
04952 stack->l2link=0;
04953 stack->blocked=0;
04954
04955 cleanup_Isdnl3(&stack->nst);
04956 cleanup_Isdnl2(&stack->nst);
04957
04958
04959 memset(&stack->nst, 0, sizeof(net_stack_t));
04960 memset(&stack->mgr, 0, sizeof(manager_t));
04961
04962 stack->mgr.nst = &stack->nst;
04963 stack->nst.manager = &stack->mgr;
04964
04965 stack->nst.l3_manager = handle_event_nt;
04966 stack->nst.device = glob_mgr->midev;
04967 stack->nst.cardnr = port;
04968 stack->nst.d_stid = stack->d_stid;
04969
04970 stack->nst.feature = FEATURE_NET_HOLD;
04971 if (stack->ptp)
04972 stack->nst.feature |= FEATURE_NET_PTP;
04973 if (stack->pri)
04974 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04975
04976 stack->nst.l1_id = stack->lower_id;
04977 stack->nst.l2_id = stack->upper_id;
04978
04979 msg_queue_init(&stack->nst.down_queue);
04980
04981 Isdnl2Init(&stack->nst);
04982 Isdnl3Init(&stack->nst);
04983
04984 if (!stack->ptp)
04985 misdn_lib_get_l1_up(stack);
04986 misdn_lib_get_l2_up(stack);
04987 }
04988 }
04989
04990