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