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00020
00021 #include <syslog.h>
00022 #include <sys/time.h>
00023 #include <mISDNuser/isdn_debug.h>
00024
00025 #include "isdn_lib_intern.h"
00026 #include "isdn_lib.h"
00027
00028 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id);
00029 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id);
00030
00031 int queue_cleanup_bc(struct misdn_bchannel *bc) ;
00032
00033 int misdn_lib_get_l2_up(struct misdn_stack *stack);
00034
00035 struct misdn_stack* get_misdn_stack( void );
00036
00037 static int set_chan_in_stack(struct misdn_stack *stack, int channel);
00038
00039 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh);
00040
00041 int misdn_lib_port_is_pri(int port)
00042 {
00043 struct misdn_stack *stack=get_misdn_stack();
00044 for ( ; stack; stack=stack->next) {
00045 if (stack->port == port) {
00046 return stack->pri;
00047 }
00048 }
00049
00050 return -1;
00051 }
00052
00053 int misdn_lib_port_is_nt(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->nt;
00059 }
00060 }
00061
00062 return -1;
00063 }
00064
00065 void misdn_make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel)
00066 {
00067 memset (dummybc,0,sizeof(struct misdn_bchannel));
00068 dummybc->port=port;
00069 if (l3id==0)
00070 dummybc->l3_id = MISDN_ID_DUMMY;
00071 else
00072 dummybc->l3_id=l3id;
00073
00074 dummybc->nt=nt;
00075 dummybc->dummy=1;
00076 dummybc->channel=channel;
00077 }
00078
00079 int misdn_lib_port_block(int port)
00080 {
00081 struct misdn_stack *stack=get_misdn_stack();
00082 for ( ; stack; stack=stack->next) {
00083 if (stack->port == port) {
00084 stack->blocked=1;
00085 return 0;
00086 }
00087 }
00088 return -1;
00089
00090 }
00091
00092 int misdn_lib_port_unblock(int port)
00093 {
00094 struct misdn_stack *stack=get_misdn_stack();
00095 for ( ; stack; stack=stack->next) {
00096 if (stack->port == port) {
00097 stack->blocked=0;
00098 return 0;
00099 }
00100 }
00101 return -1;
00102
00103 }
00104
00105 int misdn_lib_is_port_blocked(int port)
00106 {
00107 struct misdn_stack *stack=get_misdn_stack();
00108 for ( ; stack; stack=stack->next) {
00109 if (stack->port == port) {
00110 return stack->blocked;
00111 }
00112 }
00113 return -1;
00114 }
00115
00116 int misdn_lib_is_ptp(int port)
00117 {
00118 struct misdn_stack *stack=get_misdn_stack();
00119 for ( ; stack; stack=stack->next) {
00120 if (stack->port == port) return stack->ptp;
00121 }
00122 return -1;
00123 }
00124
00125 int misdn_lib_get_maxchans(int port)
00126 {
00127 struct misdn_stack *stack=get_misdn_stack();
00128 for ( ; stack; stack=stack->next) {
00129 if (stack->port == port) {
00130 if (stack->pri)
00131 return 30;
00132 else
00133 return 2;
00134 }
00135 }
00136 return -1;
00137 }
00138
00139
00140 struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc)
00141 {
00142 struct misdn_stack *stack=get_misdn_stack();
00143
00144 if (!bc) return NULL;
00145
00146 for ( ; stack; stack=stack->next) {
00147 int i;
00148 for (i=0; i <=stack->b_num; i++) {
00149 if ( bc->port == stack->port) return stack;
00150 }
00151 }
00152
00153 return NULL;
00154 }
00155
00156
00157 void get_show_stack_details(int port, char *buf)
00158 {
00159 struct misdn_stack *stack=get_misdn_stack();
00160
00161 for ( ; stack; stack=stack->next) {
00162 if (stack->port == port) break;
00163 }
00164
00165 if (stack) {
00166 sprintf(buf, "* Port %d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d", stack->port, stack->nt?"NT":"TE", stack->ptp?"PTP":"PMP", stack->l2link?"UP":"DOWN", stack->l1link?"UP":"DOWN",stack->blocked);
00167
00168 } else {
00169 buf[0]=0;
00170 }
00171
00172 }
00173
00174
00175 static int nt_err_cnt =0 ;
00176
00177 enum global_states {
00178 MISDN_INITIALIZING,
00179 MISDN_INITIALIZED
00180 } ;
00181
00182 static enum global_states global_state=MISDN_INITIALIZING;
00183
00184
00185 #include <mISDNuser/net_l2.h>
00186 #include <mISDNuser/tone.h>
00187 #include <unistd.h>
00188 #include <semaphore.h>
00189 #include <pthread.h>
00190 #include <signal.h>
00191
00192 #include "isdn_lib.h"
00193
00194
00195 struct misdn_lib {
00196 int midev;
00197 int midev_nt;
00198
00199 pthread_t event_thread;
00200 pthread_t event_handler_thread;
00201
00202 void *user_data;
00203
00204 msg_queue_t upqueue;
00205 msg_queue_t activatequeue;
00206
00207 sem_t new_msg;
00208
00209 struct misdn_stack *stack_list;
00210 } ;
00211
00212 #ifndef ECHOCAN_ON
00213 #define ECHOCAN_ON 123
00214 #define ECHOCAN_OFF 124
00215 #endif
00216
00217 #define MISDN_DEBUG 0
00218
00219 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
00220
00221 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
00222
00223 struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
00224
00225 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan);
00226
00227 int setup_bc(struct misdn_bchannel *bc);
00228
00229 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
00230
00231 int misdn_lib_port_restart(int port);
00232 int misdn_lib_pid_restart(int pid);
00233
00234 extern struct isdn_msg msgs_g[];
00235
00236 #define ISDN_PID_L3_B_USER 0x430000ff
00237 #define ISDN_PID_L4_B_USER 0x440000ff
00238
00239
00240 #define MISDN_IBUF_SIZE 512
00241
00242
00243 #define TONE_ALERT_CNT 41
00244 #define TONE_ALERT_SILENCE_CNT 200
00245
00246 #define TONE_BUSY_CNT 20
00247 #define TONE_BUSY_SILENCE_CNT 48
00248
00249 static int entity;
00250
00251 static struct misdn_lib *glob_mgr;
00252
00253 char tone_425_flip[TONE_425_SIZE];
00254 char tone_silence_flip[TONE_SILENCE_SIZE];
00255
00256 static void misdn_lib_isdn_event_catcher(void *arg);
00257 static int handle_event_nt(void *dat, void *arg);
00258
00259
00260 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder);
00261 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder);
00262 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id);
00263
00264
00265 int init_bc(struct misdn_stack * stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime);
00266 struct misdn_stack* stack_init(int midev, int port, int ptp);
00267 void stack_destroy(struct misdn_stack* stack);
00268
00269 int te_lib_init( void ) ;
00270 void te_lib_destroy(int midev) ;
00271 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
00272 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc);
00273 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
00274 void manager_clean_bc(struct misdn_bchannel *bc );
00275 void manager_bchannel_setup (struct misdn_bchannel *bc);
00276 void manager_bchannel_cleanup (struct misdn_bchannel *bc);
00277
00278 void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size);
00279
00280 int bchdev_echocancel_activate(struct misdn_bchannel* dev);
00281 void bchdev_echocancel_deactivate(struct misdn_bchannel* dev);
00282
00283
00284
00285 static char *bearer2str(int cap) {
00286 static char *bearers[]={
00287 "Speech",
00288 "Audio 3.1k",
00289 "Unres Digital",
00290 "Res Digital",
00291 "Unknown Bearer"
00292 };
00293
00294 switch (cap) {
00295 case INFO_CAPABILITY_SPEECH:
00296 return bearers[0];
00297 break;
00298 case INFO_CAPABILITY_AUDIO_3_1K:
00299 return bearers[1];
00300 break;
00301 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00302 return bearers[2];
00303 break;
00304 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00305 return bearers[3];
00306 break;
00307 default:
00308 return bearers[4];
00309 break;
00310 }
00311 }
00312
00313
00314 static char flip_table[256];
00315
00316 static void init_flip_bits(void)
00317 {
00318 int i,k;
00319
00320 for (i = 0 ; i < 256 ; i++) {
00321 unsigned char sample = 0 ;
00322 for (k = 0; k<8; k++) {
00323 if ( i & 1 << k ) sample |= 0x80 >> k;
00324 }
00325 flip_table[i] = sample;
00326 }
00327 }
00328
00329 static char * flip_buf_bits ( char * buf , int len)
00330 {
00331 int i;
00332 char * start = buf;
00333
00334 for (i = 0 ; i < len; i++) {
00335 buf[i] = flip_table[(unsigned char)buf[i]];
00336 }
00337
00338 return start;
00339 }
00340
00341
00342
00343
00344 static msg_t *create_l2msg(int prim, int dinfo, int size)
00345 {
00346 int i = 0;
00347 msg_t *dmsg;
00348
00349 while(i < 10)
00350 {
00351 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00352 if (dmsg)
00353 return(dmsg);
00354
00355 if (!i)
00356 printf("cannot allocate memory, trying again...\n");
00357 i++;
00358 usleep(300000);
00359 }
00360 printf("cannot allocate memory, system overloaded.\n");
00361 exit(-1);
00362 }
00363
00364
00365
00366 msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode)
00367 {
00368 int i = 0;
00369 msg_t *dmsg;
00370 Q931_info_t *qi;
00371 iframe_t *frm;
00372
00373 if (!ntmode)
00374 size = sizeof(Q931_info_t)+2;
00375
00376 while(i < 10) {
00377 if (ntmode) {
00378 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00379 if (dmsg) {
00380 return(dmsg);
00381 }
00382 } else {
00383 dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00384 if (dmsg)
00385 {
00386 memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00387 frm = (iframe_t *)dmsg->data;
00388 frm->prim = prim;
00389 frm->dinfo = dinfo;
00390 qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00391 qi->type = mt;
00392 return(dmsg);
00393 }
00394 }
00395
00396 if (!i) printf("cannot allocate memory, trying again...\n");
00397 i++;
00398 usleep(300000);
00399 }
00400 printf("cannot allocate memory, system overloaded.\n");
00401 exit(-1);
00402 }
00403
00404
00405 static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
00406 {
00407 iframe_t *frm = (iframe_t *)dmsg->data;
00408 struct misdn_stack *stack=get_stack_by_bc(bc);
00409
00410 if (!stack) {
00411 cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00412 return -1;
00413 }
00414
00415 frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00416 frm->dinfo = bc->l3_id;
00417 frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00418
00419 cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00420
00421 mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00422 free_msg(dmsg);
00423
00424 return 0;
00425 }
00426
00427
00428 static int mypid=1;
00429
00430
00431 int misdn_cap_is_speech(int cap)
00432
00433 {
00434 if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00435 (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00436 return 0;
00437 }
00438
00439 int misdn_inband_avail(struct misdn_bchannel *bc)
00440 {
00441
00442
00443 if ( ! bc->early_bconnect ) return 0;
00444
00445 switch (bc->progress_indicator) {
00446 case INFO_PI_INBAND_AVAILABLE:
00447 case INFO_PI_CALL_NOT_E2E_ISDN:
00448 case INFO_PI_CALLED_NOT_ISDN:
00449 return 1;
00450 default:
00451 return 0;
00452 }
00453 return 0;
00454 }
00455
00456
00457 static void dump_chan_list(struct misdn_stack *stack)
00458 {
00459 int i;
00460
00461 for (i=0; i <= stack->b_num; i++) {
00462 cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",i,stack->channels[i], stack->bc[i].in_use, i+1);
00463 }
00464 }
00465
00466
00467 void misdn_dump_chanlist()
00468 {
00469 struct misdn_stack *stack=get_misdn_stack();
00470 for ( ; stack; stack=stack->next) {
00471 dump_chan_list(stack);
00472 }
00473
00474 }
00475
00476 int set_chan_in_stack(struct misdn_stack *stack, int channel)
00477 {
00478
00479 cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00480 dump_chan_list(stack);
00481 if (channel >=1 && channel <= MAX_BCHANS) {
00482 if (!stack->channels[channel-1])
00483 stack->channels[channel-1] = 1;
00484 else {
00485 cb_log(4,stack->port,"channel already in use:%d\n", channel );
00486 return -1;
00487 }
00488 } else {
00489 cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00490 return -1;
00491 }
00492
00493 return 0;
00494 }
00495
00496
00497
00498 static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
00499 {
00500 int i;
00501 int chan=0;
00502 int bnums = stack->pri ? stack->b_num : stack->b_num - 1;
00503
00504 if (bc->channel_found)
00505 return 0;
00506
00507 bc->channel_found=1;
00508
00509 cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00510
00511 if (channel < 0 || channel > MAX_BCHANS) {
00512 cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00513 return 0;
00514 }
00515
00516 channel--;
00517
00518 if (dec) {
00519 for (i = bnums; i >=0; i--) {
00520 if (i != 15 && (channel < 0 || i == channel)) {
00521 if (!stack->channels[i]) {
00522 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00523 chan=i+1;
00524 break;
00525 }
00526 }
00527 }
00528 } else {
00529 for (i = 0; i <= bnums; i++) {
00530 if (i != 15 && (channel < 0 || i == channel)) {
00531 if (!stack->channels[i]) {
00532 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00533 chan=i+1;
00534 break;
00535 }
00536 }
00537 }
00538 }
00539
00540 if (!chan) {
00541 cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00542 dump_chan_list(stack);
00543 bc->out_cause=34;
00544 return -1;
00545 }
00546
00547 if (set_chan_in_stack(stack, chan)<0) {
00548 cb_log (0, stack->port, "Channel Already in use:%d\n", chan);
00549 bc->out_cause=44;
00550 return -1;
00551 }
00552
00553 bc->channel=chan;
00554 return 0;
00555 }
00556
00557 static int empty_chan_in_stack(struct misdn_stack *stack, int channel)
00558 {
00559 if (channel<=0 || channel>MAX_BCHANS) {
00560 cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00561 return -1;
00562 }
00563
00564 cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel);
00565 stack->channels[channel-1] = 0;
00566 dump_chan_list(stack);
00567 return 0;
00568 }
00569
00570 char *bc_state2str(enum bchannel_state state) {
00571 int i;
00572
00573 struct bchan_state_s {
00574 char *n;
00575 enum bchannel_state s;
00576 } states[] = {
00577 {"BCHAN_CLEANED", BCHAN_CLEANED },
00578 {"BCHAN_EMPTY", BCHAN_EMPTY},
00579 {"BCHAN_SETUP", BCHAN_SETUP},
00580 {"BCHAN_SETUPED", BCHAN_SETUPED},
00581 {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00582 {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00583 {"BCHAN_BRIDGE", BCHAN_BRIDGE},
00584 {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00585 {"BCHAN_RELEASE", BCHAN_RELEASE},
00586 {"BCHAN_RELEASED", BCHAN_RELEASED},
00587 {"BCHAN_CLEAN", BCHAN_CLEAN},
00588 {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00589 {"BCHAN_ERROR", BCHAN_ERROR}
00590 };
00591
00592 for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00593 if ( states[i].s == state)
00594 return states[i].n;
00595
00596 return "UNKNOWN";
00597 }
00598
00599 void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00600 {
00601 cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00602 bc->l3_id,
00603 bc_state2str(bc->bc_state),
00604 bc_state2str(state) );
00605
00606 switch (state) {
00607 case BCHAN_ACTIVATED:
00608 if (bc->next_bc_state == BCHAN_BRIDGED) {
00609 misdn_join_conf(bc, bc->conf_id);
00610 bc->next_bc_state = BCHAN_EMPTY;
00611 return;
00612 }
00613 default:
00614 bc->bc_state=state;
00615 break;
00616 }
00617 }
00618
00619 static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00620 {
00621 cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00622 bc_state2str(bc->next_bc_state),
00623 bc_state2str(state) );
00624
00625 bc->next_bc_state=state;
00626 }
00627
00628
00629 static void empty_bc(struct misdn_bchannel *bc)
00630 {
00631 bc->dummy=0;
00632
00633 bc->bframe_len=0;
00634
00635 bc->cw= 0;
00636
00637 bc->dec=0;
00638 bc->channel = 0;
00639
00640 bc->sending_complete = 0;
00641
00642 bc->restart_channel=0;
00643
00644 bc->conf_id = 0;
00645
00646 bc->need_more_infos = 0;
00647
00648 bc->send_dtmf=0;
00649 bc->nodsp=0;
00650 bc->nojitter=0;
00651
00652 bc->time_usec=0;
00653
00654 bc->rxgain=0;
00655 bc->txgain=0;
00656
00657 bc->crypt=0;
00658 bc->curptx=0; bc->curprx=0;
00659
00660 bc->crypt_key[0] = 0;
00661
00662 bc->generate_tone=0;
00663 bc->tone_cnt=0;
00664
00665 bc->dnumplan=NUMPLAN_UNKNOWN;
00666 bc->onumplan=NUMPLAN_UNKNOWN;
00667 bc->rnumplan=NUMPLAN_UNKNOWN;
00668 bc->cpnnumplan=NUMPLAN_UNKNOWN;
00669
00670
00671 bc->active = 0;
00672
00673 bc->early_bconnect = 1;
00674
00675 #ifdef MISDN_1_2
00676 *bc->pipeline = 0;
00677 #else
00678 bc->ec_enable = 0;
00679 bc->ec_deftaps = 128;
00680 #endif
00681
00682 bc->AOCD_need_export = 0;
00683
00684 bc->orig=0;
00685
00686 bc->cause=16;
00687 bc->out_cause=16;
00688 bc->pres=0 ;
00689
00690 bc->evq=EVENT_NOTHING;
00691
00692 bc->progress_coding=0;
00693 bc->progress_location=0;
00694 bc->progress_indicator=0;
00695
00696
00697 bc->capability=INFO_CAPABILITY_SPEECH;
00698 bc->law=INFO_CODEC_ALAW;
00699 bc->mode=0;
00700 bc->rate=0x10;
00701 bc->user1=0;
00702 bc->urate=0;
00703
00704 bc->hdlc=0;
00705
00706
00707 bc->info_dad[0] = 0;
00708 bc->display[0] = 0;
00709 bc->infos_pending[0] = 0;
00710 bc->cad[0] = 0;
00711 bc->oad[0] = 0;
00712 bc->dad[0] = 0;
00713 bc->rad[0] = 0;
00714 bc->orig_dad[0] = 0;
00715 bc->uu[0]=0;
00716 bc->uulen=0;
00717
00718 bc->fac_in.Function = Fac_None;
00719 bc->fac_out.Function = Fac_None;
00720
00721 bc->te_choose_channel = 0;
00722 bc->channel_found= 0;
00723
00724 gettimeofday(&bc->last_used, NULL);
00725 }
00726
00727
00728 static int clean_up_bc(struct misdn_bchannel *bc)
00729 {
00730 int ret=0;
00731 unsigned char buff[32];
00732 struct misdn_stack * stack;
00733
00734 cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00735
00736 if (!bc ) return -1;
00737 stack=get_stack_by_bc(bc);
00738
00739 if (!stack) return -1;
00740
00741 switch (bc->bc_state ) {
00742 case BCHAN_CLEANED:
00743 cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00744 return -1;
00745
00746 default:
00747 break;
00748 }
00749
00750 cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00751
00752 manager_ec_disable(bc);
00753
00754 manager_bchannel_deactivate(bc);
00755
00756 mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00757
00758 bc->b_stid = 0;
00759 bc_state_change(bc, BCHAN_CLEANED);
00760
00761 return ret;
00762 }
00763
00764
00765
00766 static void clear_l3(struct misdn_stack *stack)
00767 {
00768 int i;
00769
00770 for (i=0; i<=stack->b_num; i++) {
00771 if (global_state == MISDN_INITIALIZED) {
00772 cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00773 empty_chan_in_stack(stack,i+1);
00774 empty_bc(&stack->bc[i]);
00775 clean_up_bc(&stack->bc[i]);
00776 stack->bc[i].in_use = 0;
00777 }
00778
00779 }
00780 }
00781
00782 static int new_te_id = 0;
00783
00784 #define MAXPROCS 0x100
00785
00786 static int misdn_lib_get_l1_down(struct misdn_stack *stack)
00787 {
00788
00789 iframe_t act;
00790 act.prim = PH_DEACTIVATE | REQUEST;
00791 act.addr = stack->lower_id|FLG_MSG_DOWN;
00792 act.dinfo = 0;
00793 act.len = 0;
00794
00795 cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00796 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00797 }
00798
00799
00800 static int misdn_lib_get_l2_down(struct misdn_stack *stack)
00801 {
00802
00803 if (stack->ptp && (stack->nt) ) {
00804 msg_t *dmsg;
00805
00806 dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00807
00808 if (stack->nst.manager_l3(&stack->nst, dmsg))
00809 free_msg(dmsg);
00810
00811 } else {
00812 iframe_t act;
00813
00814 act.prim = DL_RELEASE| REQUEST;
00815 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00816
00817 act.dinfo = 0;
00818 act.len = 0;
00819 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00820 }
00821
00822 return 0;
00823 }
00824
00825
00826 static int misdn_lib_get_l1_up(struct misdn_stack *stack)
00827 {
00828
00829 iframe_t act;
00830 act.prim = PH_ACTIVATE | REQUEST;
00831 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00832
00833
00834 act.dinfo = 0;
00835 act.len = 0;
00836
00837 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00838
00839 }
00840
00841 int misdn_lib_get_l2_up(struct misdn_stack *stack)
00842 {
00843
00844 if (stack->ptp && (stack->nt) ) {
00845 msg_t *dmsg;
00846
00847 dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00848
00849 if (stack->nst.manager_l3(&stack->nst, dmsg))
00850 free_msg(dmsg);
00851
00852 } else {
00853 iframe_t act;
00854
00855 act.prim = DL_ESTABLISH | REQUEST;
00856 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00857
00858 act.dinfo = 0;
00859 act.len = 0;
00860 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00861 }
00862
00863 return 0;
00864 }
00865
00866 #if 0
00867 static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack)
00868 {
00869 iframe_t act;
00870
00871 act.prim = DL_ESTABLISH | REQUEST;
00872 act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
00873
00874 act.dinfo = 0;
00875 act.len = 0;
00876 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00877 return 0;
00878 }
00879 #endif
00880
00881 static int misdn_lib_get_short_status(struct misdn_stack *stack)
00882 {
00883 iframe_t act;
00884
00885
00886 act.prim = MGR_SHORTSTATUS | REQUEST;
00887
00888 act.addr = (stack->upper_id | MSG_BROADCAST) ;
00889
00890 act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00891
00892 act.len = 0;
00893 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00894 }
00895
00896
00897
00898 static int create_process(int midev, struct misdn_bchannel *bc)
00899 {
00900 iframe_t ncr;
00901 int l3_id;
00902 int proc_id;
00903 struct misdn_stack *stack;
00904
00905 stack = get_stack_by_bc(bc);
00906 if (stack->nt) {
00907 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0) < 0) {
00908 return -1;
00909 }
00910 cb_log(4, stack->port, " --> found channel: %d\n", bc->channel);
00911
00912 for (proc_id = 0; proc_id < MAXPROCS; ++proc_id) {
00913 if (stack->procids[proc_id] == 0) {
00914 break;
00915 }
00916 }
00917 if (proc_id == MAXPROCS) {
00918 cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00919 return -1;
00920 }
00921
00922 stack->procids[proc_id] = 1;
00923
00924 l3_id = 0xff00 | proc_id;
00925 bc->l3_id = l3_id;
00926 cb_log(3, stack->port, " --> new_l3id %x\n", l3_id);
00927 } else {
00928 if ((stack->pri && stack->ptp) || bc->te_choose_channel) {
00929
00930 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, bc->dec) < 0) {
00931 return -1;
00932 }
00933 cb_log(2, stack->port, " --> found channel: %d\n", bc->channel);
00934 } else {
00935
00936 bc->channel = 0xff;
00937 }
00938
00939
00940 if (++new_te_id > 0xffff) {
00941 new_te_id = 0x0001;
00942 }
00943
00944 l3_id = (entity << 16) | new_te_id;
00945 bc->l3_id = l3_id;
00946 cb_log(3, stack->port, "--> new_l3id %x\n", l3_id);
00947
00948
00949 ncr.prim = CC_NEW_CR | REQUEST;
00950 ncr.addr = (stack->upper_id | FLG_MSG_DOWN);
00951 ncr.dinfo = l3_id;
00952 ncr.len = 0;
00953 mISDN_write(midev, &ncr, mISDN_HEADER_LEN + ncr.len, TIMEOUT_1SEC);
00954 }
00955
00956 return l3_id;
00957 }
00958
00959
00960 void misdn_lib_setup_bc(struct misdn_bchannel *bc)
00961 {
00962 clean_up_bc(bc);
00963 setup_bc(bc);
00964 }
00965
00966
00967 int setup_bc(struct misdn_bchannel *bc)
00968 {
00969 unsigned char buff[1025];
00970 int midev, channel, b_stid, i;
00971 mISDN_pid_t pid;
00972 int ret;
00973
00974 struct misdn_stack *stack=get_stack_by_bc(bc);
00975
00976 if (!stack) {
00977 cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00978 return -1;
00979 }
00980
00981 midev = stack->midev;
00982 channel = bc->channel - 1 - (bc->channel > 16);
00983 b_stid = stack->b_stids[channel >= 0 ? channel : 0];
00984
00985 switch (bc->bc_state) {
00986 case BCHAN_CLEANED:
00987 break;
00988 default:
00989 cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00990 return -1;
00991 }
00992
00993 cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00994
00995
00996 for (i=0; i <= stack->b_num; i++) {
00997 if (stack->bc[i].b_stid == b_stid) {
00998 cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
00999 return -1;
01000 }
01001 }
01002
01003 if (b_stid <= 0) {
01004 cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
01005
01006 bc_state_change(bc,BCHAN_ERROR);
01007 return 1;
01008 }
01009
01010 bc->b_stid = b_stid;
01011
01012 {
01013 layer_info_t li;
01014 memset(&li, 0, sizeof(li));
01015
01016 li.object_id = -1;
01017 li.extentions = 0;
01018
01019 li.st = bc->b_stid;
01020
01021
01022 #define MISDN_DSP
01023 #ifndef MISDN_DSP
01024 bc->nodsp=1;
01025 #endif
01026 if ( bc->hdlc || bc->nodsp) {
01027 cb_log(4, stack->port,"setup_bc: without dsp\n");
01028 {
01029 int l = sizeof(li.name);
01030 strncpy(li.name, "B L3", l);
01031 li.name[l-1] = 0;
01032 }
01033 li.pid.layermask = ISDN_LAYER((3));
01034 li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01035
01036 bc->layer=3;
01037 } else {
01038 cb_log(4, stack->port,"setup_bc: with dsp\n");
01039 {
01040 int l = sizeof(li.name);
01041 strncpy(li.name, "B L4", l);
01042 li.name[l-1] = 0;
01043 }
01044 li.pid.layermask = ISDN_LAYER((4));
01045 li.pid.protocol[4] = ISDN_PID_L4_B_USER
01046 ;
01047 bc->layer=4;
01048
01049 }
01050
01051 ret = mISDN_new_layer(midev, &li);
01052 if (ret ) {
01053 cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01054
01055 bc_state_change(bc,BCHAN_ERROR);
01056 return(-EINVAL);
01057 }
01058
01059 bc->layer_id = li.id;
01060 }
01061
01062 memset(&pid, 0, sizeof(pid));
01063
01064
01065
01066 cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01067
01068 if (bc->nodsp) {
01069 cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01070 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01071 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01072 pid.protocol[3] = ISDN_PID_L3_B_USER;
01073 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01074
01075 } else if ( bc->hdlc ) {
01076 cb_log(2, stack->port," --> HDLC Mode\n");
01077 pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01078 pid.protocol[2] = ISDN_PID_L2_B_TRANS ;
01079 pid.protocol[3] = ISDN_PID_L3_B_USER;
01080 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01081 } else {
01082 cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01083 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01084 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01085 pid.protocol[3] = ISDN_PID_L3_B_DSP;
01086 pid.protocol[4] = ISDN_PID_L4_B_USER;
01087 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01088
01089 }
01090
01091 ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01092
01093 if (ret){
01094 cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01095
01096 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01097
01098 bc_state_change(bc,BCHAN_ERROR);
01099 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01100 return(-EINVAL);
01101 }
01102
01103 ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01104
01105 if (ret) {
01106 cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01107 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01108
01109 bc_state_change(bc,BCHAN_ERROR);
01110 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01111 return(-EINVAL);
01112 }
01113
01114 ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01115
01116 bc->addr = ret>0? ret : 0;
01117
01118 if (!bc->addr) {
01119 cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01120 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01121
01122 bc_state_change(bc,BCHAN_ERROR);
01123 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01124 return (-EINVAL);
01125 }
01126
01127 manager_bchannel_activate(bc);
01128
01129 bc_state_change(bc,BCHAN_ACTIVATED);
01130
01131 return 0;
01132 }
01133
01134
01135
01136
01137 int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime)
01138 {
01139 unsigned char buff[1025] = "";
01140 iframe_t *frm = (iframe_t *)buff;
01141 int ret;
01142
01143 if (!bc) return -1;
01144
01145 cb_log(8, port, "Init.BC %d.\n",bidx);
01146
01147 memset(bc, 0,sizeof(struct misdn_bchannel));
01148
01149 bc->send_lock=malloc(sizeof(struct send_lock));
01150
01151 pthread_mutex_init(&bc->send_lock->lock, NULL);
01152
01153 if (msn) {
01154 int l = sizeof(bc->msn);
01155 strncpy(bc->msn,msn, l);
01156 bc->msn[l-1] = 0;
01157 }
01158
01159
01160 empty_bc(bc);
01161 bc_state_change(bc, BCHAN_CLEANED);
01162
01163 bc->port=stack->port;
01164 bc->nt=stack->nt?1:0;
01165 bc->pri=stack->pri;
01166
01167 {
01168 ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01169
01170 if (!ibuf) return -1;
01171
01172 clear_ibuffer( ibuf);
01173
01174 ibuf->rsem=malloc(sizeof(sem_t));
01175
01176 bc->astbuf=ibuf;
01177
01178 if (sem_init(ibuf->rsem,1,0)<0)
01179 sem_init(ibuf->rsem,0,0);
01180
01181 }
01182
01183 {
01184 stack_info_t *stinf;
01185 ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01186 if (ret < 0) {
01187 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01188 return -1;
01189 }
01190
01191 stinf = (stack_info_t *)&frm->data.p;
01192
01193 cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01194 }
01195
01196 return 0;
01197 }
01198
01199
01200
01201 struct misdn_stack* stack_init( int midev, int port, int ptp )
01202 {
01203 int ret;
01204 unsigned char buff[1025];
01205 iframe_t *frm = (iframe_t *)buff;
01206 stack_info_t *stinf;
01207 int i;
01208 layer_info_t li;
01209
01210 struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01211 if (!stack ) return NULL;
01212
01213
01214 cb_log(8, port, "Init. Stack.\n");
01215
01216 memset(stack,0,sizeof(struct misdn_stack));
01217
01218 for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01219
01220 stack->port=port;
01221 stack->midev=midev;
01222 stack->ptp=ptp;
01223
01224 stack->holding=NULL;
01225 stack->pri=0;
01226
01227 msg_queue_init(&stack->downqueue);
01228 msg_queue_init(&stack->upqueue);
01229
01230
01231 ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01232 if (ret < 0) {
01233 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01234 return(NULL);
01235 }
01236
01237 stinf = (stack_info_t *)&frm->data.p;
01238
01239 stack->d_stid = stinf->id;
01240 stack->b_num = stinf->childcnt;
01241
01242 for (i=0; i<=stinf->childcnt; i++)
01243 stack->b_stids[i] = stinf->child[i];
01244
01245 switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01246 case ISDN_PID_L0_TE_S0:
01247 stack->nt=0;
01248 break;
01249 case ISDN_PID_L0_NT_S0:
01250 cb_log(8, port, "NT Stack\n");
01251
01252 stack->nt=1;
01253 break;
01254 case ISDN_PID_L0_TE_E1:
01255 cb_log(8, port, "TE S2M Stack\n");
01256 stack->nt=0;
01257 stack->pri=1;
01258 break;
01259 case ISDN_PID_L0_NT_E1:
01260 cb_log(8, port, "TE S2M Stack\n");
01261 stack->nt=1;
01262 stack->pri=1;
01263
01264 break;
01265 default:
01266 cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01267
01268 }
01269
01270 if (!stack->nt) {
01271 if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01272 stack->ptp = 1;
01273 } else {
01274 stack->ptp = 0;
01275 }
01276 }
01277
01278 {
01279 int ret;
01280 int nt=stack->nt;
01281
01282 cb_log(8, port, "Init. Stack.\n");
01283
01284 memset(&li, 0, sizeof(li));
01285 {
01286 int l = sizeof(li.name);
01287 strncpy(li.name,nt?"net l2":"user l4", l);
01288 li.name[l-1] = 0;
01289 }
01290 li.object_id = -1;
01291 li.extentions = 0;
01292 li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01293 li.pid.layermask = ISDN_LAYER((nt?2:4));
01294 li.st = stack->d_stid;
01295
01296
01297 ret = mISDN_new_layer(midev, &li);
01298 if (ret) {
01299 cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01300 return(NULL);
01301 }
01302
01303
01304 stack->upper_id = li.id;
01305 ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01306 if (ret)
01307 {
01308 cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01309 return(NULL);
01310 }
01311
01312 stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01313 if (stack->lower_id < 0) {
01314 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01315 return(NULL);
01316 }
01317
01318 stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01319 if (stack->upper_id < 0) {
01320 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01321 return(NULL);
01322 }
01323
01324 cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01325
01326
01327
01328 if (nt) {
01329
01330 memset(&stack->nst, 0, sizeof(net_stack_t));
01331 memset(&stack->mgr, 0, sizeof(manager_t));
01332
01333 stack->mgr.nst = &stack->nst;
01334 stack->nst.manager = &stack->mgr;
01335
01336 stack->nst.l3_manager = handle_event_nt;
01337 stack->nst.device = midev;
01338 stack->nst.cardnr = port;
01339 stack->nst.d_stid = stack->d_stid;
01340
01341 stack->nst.feature = FEATURE_NET_HOLD;
01342 if (stack->ptp)
01343 stack->nst.feature |= FEATURE_NET_PTP;
01344 if (stack->pri)
01345 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01346
01347 stack->nst.l1_id = stack->lower_id;
01348 stack->nst.l2_id = stack->upper_id;
01349
01350 msg_queue_init(&stack->nst.down_queue);
01351
01352 Isdnl2Init(&stack->nst);
01353 Isdnl3Init(&stack->nst);
01354
01355 }
01356
01357 if (!stack->nt) {
01358
01359
01360 stack->l1link=0;
01361 }
01362 stack->l1link=0;
01363 stack->l2link=0;
01364 #if 0
01365 if (!stack->nt) {
01366 misdn_lib_get_short_status(stack);
01367 } else {
01368 misdn_lib_get_l1_up(stack);
01369 if (!stack->ptp) misdn_lib_get_l1_up(stack);
01370 misdn_lib_get_l2_up(stack);
01371 }
01372 #endif
01373
01374 misdn_lib_get_short_status(stack);
01375 misdn_lib_get_l1_up(stack);
01376 misdn_lib_get_l2_up(stack);
01377
01378 }
01379
01380 cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01381
01382 return stack;
01383 }
01384
01385
01386 void stack_destroy(struct misdn_stack* stack)
01387 {
01388 char buf[1024];
01389 if (!stack) return;
01390
01391 if (stack->nt) {
01392 cleanup_Isdnl2(&stack->nst);
01393 cleanup_Isdnl3(&stack->nst);
01394 }
01395
01396 if (stack->lower_id)
01397 mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01398
01399 if (stack->upper_id)
01400 mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01401 }
01402
01403
01404 static struct misdn_stack * find_stack_by_addr(int addr)
01405 {
01406 struct misdn_stack *stack;
01407
01408 for (stack=glob_mgr->stack_list;
01409 stack;
01410 stack=stack->next) {
01411 if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01412
01413 }
01414
01415 return NULL;
01416 }
01417
01418
01419 static struct misdn_stack * find_stack_by_port(int port)
01420 {
01421 struct misdn_stack *stack;
01422
01423 for (stack=glob_mgr->stack_list;
01424 stack;
01425 stack=stack->next)
01426 if (stack->port == port) return stack;
01427
01428 return NULL;
01429 }
01430
01431 static struct misdn_stack * find_stack_by_mgr(manager_t* mgr_nt)
01432 {
01433 struct misdn_stack *stack;
01434
01435 for (stack=glob_mgr->stack_list;
01436 stack;
01437 stack=stack->next)
01438 if ( &stack->mgr == mgr_nt) return stack;
01439
01440 return NULL;
01441 }
01442
01443 static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
01444 {
01445 int i;
01446 for (i=0; i<=stack->b_num; i++) {
01447 if ( (stack->bc[i].l3_id & mask) == (l3id & mask)) return &stack->bc[i] ;
01448 }
01449 return stack_holder_find(stack,l3id);
01450 }
01451
01452
01453 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id)
01454 {
01455 int i;
01456 for (i=0; i<=stack->b_num; i++) {
01457 if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01458 }
01459 return stack_holder_find(stack,l3id);
01460 }
01461
01462 static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack)
01463 {
01464 int i;
01465 for (i=0; i<=stack->b_num; i++) {
01466 if (stack->bc[i].holded ) return &stack->bc[i] ;
01467 }
01468 return NULL;
01469 }
01470
01471
01472 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
01473 {
01474 struct misdn_stack* stack;
01475 int i;
01476
01477 for (stack=glob_mgr->stack_list;
01478 stack;
01479 stack=stack->next) {
01480 for (i=0; i<=stack->b_num; i++) {
01481 if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) || stack->bc[i].layer_id== addr ) {
01482 return &stack->bc[i];
01483 }
01484 }
01485 }
01486
01487 return NULL;
01488 }
01489
01490 struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
01491 {
01492 struct misdn_stack* stack;
01493 int i;
01494
01495 for (stack=glob_mgr->stack_list;
01496 stack;
01497 stack=stack->next) {
01498 for (i=0; i<=stack->b_num; i++) {
01499 if ( stack->bc[i].conf_id==confid ) {
01500 return &stack->bc[i];
01501 }
01502 }
01503 }
01504 return NULL;
01505 }
01506
01507
01508 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
01509 {
01510 struct misdn_stack* stack=find_stack_by_port(port);
01511 int i;
01512
01513 if (!stack) return NULL;
01514
01515 for (i=0; i<=stack->b_num; i++) {
01516 if ( stack->bc[i].channel== channel ) {
01517 return &stack->bc[i];
01518 }
01519 }
01520
01521 return NULL;
01522 }
01523
01524
01525
01526
01527
01528 static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
01529 {
01530 struct misdn_stack *stack=get_stack_by_bc(bc);
01531
01532 if (!stack->nt) {
01533
01534 switch (event) {
01535
01536 case EVENT_CONNECT_ACKNOWLEDGE:
01537 setup_bc(bc);
01538
01539 if ( *bc->crypt_key ) {
01540 cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01541 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01542 }
01543
01544 if (misdn_cap_is_speech(bc->capability)) {
01545 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
01546 manager_ec_enable(bc);
01547
01548 if ( bc->txgain != 0 ) {
01549 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01550 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01551 }
01552 if ( bc->rxgain != 0 ) {
01553 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01554 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01555 }
01556 }
01557
01558 break;
01559 case EVENT_CONNECT:
01560
01561 if ( *bc->crypt_key ) {
01562 cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01563 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01564 }
01565 case EVENT_ALERTING:
01566 case EVENT_PROGRESS:
01567 case EVENT_PROCEEDING:
01568 case EVENT_SETUP_ACKNOWLEDGE:
01569 case EVENT_SETUP:
01570 {
01571 if (bc->channel == 0xff || bc->channel<=0)
01572 bc->channel=0;
01573
01574 if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01575 if (!stack->pri && !stack->ptp) {
01576 bc->cw=1;
01577 break;
01578 }
01579
01580 if (!bc->channel)
01581 cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01582 else
01583 cb_log(0, stack->port, "Requested Channel Already in Use releasing this call with cause 34!!!!\n");
01584
01585
01586
01587
01588
01589 bc->channel=0;
01590
01591 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01592 return -1;
01593 }
01594 }
01595
01596 setup_bc(bc);
01597 break;
01598
01599 case EVENT_RELEASE_COMPLETE:
01600 case EVENT_RELEASE:
01601 break;
01602 default:
01603 break;
01604 }
01605 } else {
01606
01607 }
01608 return 0;
01609 }
01610
01611 static int handle_cr ( struct misdn_stack *stack, iframe_t *frm)
01612 {
01613 struct misdn_bchannel *bc;
01614
01615 if (!stack) return -1;
01616
01617 switch (frm->prim) {
01618 case CC_NEW_CR|INDICATION:
01619 cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01620
01621 bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01622 if (!bc) {
01623 cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01624 return -1;
01625 }
01626
01627 cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01628 bc->l3_id=frm->dinfo;
01629 return 1;
01630 case CC_NEW_CR|CONFIRM:
01631 return 1;
01632 case CC_NEW_CR|REQUEST:
01633 return 1;
01634 case CC_RELEASE_CR|REQUEST:
01635 return 1;
01636 case CC_RELEASE_CR|CONFIRM:
01637 break;
01638 case CC_RELEASE_CR|INDICATION:
01639 cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01640 {
01641 struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01642 struct misdn_bchannel dummybc;
01643
01644 if (!bc) {
01645 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01646 misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01647
01648 bc=&dummybc;
01649 }
01650
01651 if (bc) {
01652 int channel = bc->channel;
01653 cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01654
01655
01656 bc->need_disconnect=0;
01657 bc->need_release=0;
01658 bc->need_release_complete=0;
01659
01660 cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01661
01662 empty_bc(bc);
01663 clean_up_bc(bc);
01664
01665 if (channel>0)
01666 empty_chan_in_stack(stack,channel);
01667 bc->in_use=0;
01668
01669 dump_chan_list(stack);
01670
01671 if (bc->stack_holder) {
01672 cb_log(4,stack->port, "REMOVEING Holder\n");
01673 stack_holder_remove( stack, bc);
01674 free(bc);
01675 }
01676 }
01677 else {
01678 if (stack->nt)
01679 cb_log(4, stack->port, "BC with dinfo: %x not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01680 }
01681
01682 return 1;
01683 }
01684 break;
01685 }
01686
01687 return 0;
01688 }
01689
01690
01691
01692 void misdn_lib_release(struct misdn_bchannel *bc)
01693 {
01694 struct misdn_stack *stack=get_stack_by_bc(bc);
01695
01696 if (!stack) {
01697 cb_log(1,0,"misdn_release: No Stack found\n");
01698 return;
01699 }
01700
01701 if (bc->channel>0)
01702 empty_chan_in_stack(stack,bc->channel);
01703
01704 empty_bc(bc);
01705 clean_up_bc(bc);
01706 bc->in_use=0;
01707 }
01708
01709
01710
01711
01712 int misdn_lib_get_port_up (int port)
01713 {
01714 struct misdn_stack *stack;
01715
01716 for (stack=glob_mgr->stack_list;
01717 stack;
01718 stack=stack->next) {
01719
01720 if (stack->port == port) {
01721
01722 if (!stack->l1link)
01723 misdn_lib_get_l1_up(stack);
01724 if (!stack->l2link)
01725 misdn_lib_get_l2_up(stack);
01726
01727 return 0;
01728 }
01729 }
01730 return 0;
01731 }
01732
01733
01734 int misdn_lib_get_port_down (int port)
01735 {
01736 struct misdn_stack *stack;
01737 for (stack=glob_mgr->stack_list;
01738 stack;
01739 stack=stack->next) {
01740 if (stack->port == port) {
01741 if (stack->l2link)
01742 misdn_lib_get_l2_down(stack);
01743 misdn_lib_get_l1_down(stack);
01744 return 0;
01745 }
01746 }
01747 return 0;
01748 }
01749
01750 int misdn_lib_port_up(int port, int check)
01751 {
01752 struct misdn_stack *stack;
01753
01754
01755 for (stack=glob_mgr->stack_list;
01756 stack;
01757 stack=stack->next) {
01758
01759 if (stack->port == port) {
01760
01761 if (stack->blocked) {
01762 cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01763 return -1;
01764 }
01765
01766 if (stack->ptp ) {
01767
01768 if (stack->l1link && stack->l2link) {
01769 return 1;
01770 } else {
01771 cb_log(1,port, "Port Down L2:%d L1:%d\n",
01772 stack->l2link, stack->l1link);
01773 return 0;
01774 }
01775 } else {
01776 if ( !check || stack->l1link )
01777 return 1;
01778 else {
01779 cb_log(1,port, "Port down PMP\n");
01780 return 0;
01781 }
01782 }
01783 }
01784 }
01785
01786 return -1;
01787 }
01788
01789
01790 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh)
01791 {
01792 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01793 struct misdn_bchannel dummybc;
01794 iframe_t frm;
01795 frm.dinfo = hh->dinfo;
01796
01797 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01798
01799 frm.prim = CC_RELEASE_CR|INDICATION;
01800 cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Realease_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01801
01802 if (!bc) {
01803 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01804 misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01805 bc=&dummybc;
01806 }
01807
01808 if (bc) {
01809 if ( (bc->l3_id & 0xff00) == 0xff00) {
01810 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01811 stack->procids[bc->l3_id&0xff] = 0 ;
01812 }
01813 }
01814 else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01815
01816 if (handle_cr(stack, &frm)<0) {
01817 }
01818
01819 return 0 ;
01820 }
01821
01822 int
01823 handle_event_nt(void *dat, void *arg)
01824 {
01825 manager_t *mgr = (manager_t *)dat;
01826 msg_t *msg = (msg_t *)arg;
01827 mISDNuser_head_t *hh;
01828 int reject=0;
01829
01830 struct misdn_stack *stack=find_stack_by_mgr(mgr);
01831 int port;
01832
01833 if (!msg || !mgr)
01834 return(-EINVAL);
01835
01836 hh=(mISDNuser_head_t*)msg->data;
01837 port=stack->port;
01838
01839 cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01840 {
01841 switch(hh->prim){
01842 case CC_RETRIEVE|INDICATION:
01843 {
01844 struct misdn_bchannel *bc, *hold_bc;
01845
01846 iframe_t frm;
01847 frm.dinfo = hh->dinfo;
01848
01849 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01850
01851 frm.prim = CC_NEW_CR|INDICATION;
01852
01853 if (handle_cr( stack, &frm)< 0) {
01854 msg_t *dmsg;
01855 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01856 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01857 stack->nst.manager_l3(&stack->nst, dmsg);
01858 free_msg(msg);
01859 return 0;
01860 }
01861
01862 bc = find_bc_by_l3id(stack, hh->dinfo);
01863 hold_bc = stack_holder_find(stack, bc->l3_id);
01864 cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01865
01866 if (hold_bc) {
01867 cb_log(4, stack->port, "REMOVEING Holder\n");
01868
01869
01870 stack_holder_remove(stack, hold_bc);
01871 memcpy(bc, hold_bc, sizeof(*bc));
01872 free(hold_bc);
01873
01874 bc->holded=0;
01875 bc->b_stid=0;
01876 }
01877
01878 }
01879
01880 break;
01881
01882 case CC_SETUP|CONFIRM:
01883 {
01884 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01885 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01886 cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id );
01887
01888 if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01889 cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01890 bc->l3_id=l3id;
01891 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01892 }
01893 free_msg(msg);
01894 return 0;
01895
01896 case CC_SETUP|INDICATION:
01897 {
01898 struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01899 if (!bc)
01900 ERR_NO_CHANNEL:
01901 {
01902 msg_t *dmsg;
01903 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01904 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01905 stack->nst.manager_l3(&stack->nst, dmsg);
01906 free_msg(msg);
01907 return 0;
01908 }
01909
01910 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01911 bc->l3_id=hh->dinfo;
01912 }
01913 break;
01914
01915 case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01916 break;
01917
01918 case CC_ALERTING|INDICATION:
01919 case CC_PROCEEDING|INDICATION:
01920 case CC_SETUP_ACKNOWLEDGE|INDICATION:
01921 if(!stack->ptp) break;
01922 case CC_CONNECT|INDICATION:
01923 break;
01924 case CC_DISCONNECT|INDICATION:
01925 {
01926 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01927 if (!bc) {
01928 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01929 if (bc) {
01930 int myprocid=bc->l3_id&0x0000ffff;
01931 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01932 cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01933 reject=1;
01934 }
01935 }
01936 }
01937 break;
01938
01939 case CC_FACILITY|INDICATION:
01940 {
01941 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01942 if (!bc) {
01943 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01944 if (bc) {
01945 int myprocid=bc->l3_id&0x0000ffff;
01946 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01947 cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01948 }
01949 }
01950 }
01951 break;
01952
01953 case CC_RELEASE_COMPLETE|INDICATION:
01954 break;
01955
01956 case CC_SUSPEND|INDICATION:
01957 {
01958 msg_t *dmsg;
01959 cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01960 dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01961 stack->nst.manager_l3(&stack->nst, dmsg);
01962 free_msg(msg);
01963 return 0;
01964 }
01965 break;
01966 case CC_RESUME|INDICATION:
01967 break;
01968
01969 case CC_RELEASE|CONFIRM:
01970 {
01971 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01972
01973 if (bc) {
01974 cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
01975 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
01976 }
01977 }
01978 break;
01979
01980 case CC_RELEASE|INDICATION:
01981 break;
01982
01983 case CC_RELEASE_CR|INDICATION:
01984 release_cr(stack, hh);
01985 free_msg(msg);
01986 return 0 ;
01987 break;
01988
01989 case CC_NEW_CR|INDICATION:
01990
01991
01992 {
01993 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01994 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01995 if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01996 if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01997 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01998 stack->procids[bc->l3_id&0xff] = 0 ;
01999 }
02000 cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id );
02001
02002 bc->l3_id =l3id;
02003 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
02004
02005 free_msg(msg);
02006 return 0;
02007 }
02008
02009 case DL_ESTABLISH | INDICATION:
02010 case DL_ESTABLISH | CONFIRM:
02011 {
02012 cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
02013
02014 if (stack->ptp && stack->l2link) {
02015 cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
02016 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02017 }
02018
02019 if (stack->ptp && !stack->restart_sent) {
02020
02021
02022 stack->restart_sent=1;
02023 misdn_lib_send_restart(stack->port, -1);
02024
02025 }
02026
02027
02028 stack->l2link = 1;
02029 stack->l2upcnt=0;
02030
02031 free_msg(msg);
02032 return 0;
02033 }
02034 break;
02035
02036
02037 case DL_RELEASE | INDICATION:
02038 case DL_RELEASE | CONFIRM:
02039 {
02040 if (stack->ptp) {
02041 cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02042
02043 if (stack->l2upcnt>3) {
02044 cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02045 } else {
02046 #if 0
02047 if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02048 #endif
02049 if (stack->l1link) {
02050 misdn_lib_get_l2_up(stack);
02051 stack->l2upcnt++;
02052 }
02053 }
02054
02055 } else
02056 cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02057
02058 stack->l2link = 0;
02059 free_msg(msg);
02060 return 0;
02061 }
02062 break;
02063 }
02064 }
02065
02066 {
02067
02068 struct misdn_bchannel *bc;
02069 struct misdn_bchannel dummybc;
02070
02071 enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02072
02073 bc=find_bc_by_l3id(stack, hh->dinfo);
02074
02075 if (!bc) {
02076 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02077 misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
02078 bc=&dummybc;
02079 }
02080 if (bc ) {
02081 isdn_msg_parse_event(msgs_g,msg,bc, 1);
02082
02083 switch (event) {
02084 case EVENT_SETUP:
02085 if (bc->channel<=0 || bc->channel==0xff)
02086 bc->channel=0;
02087
02088 if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0)
02089 goto ERR_NO_CHANNEL;
02090 break;
02091 case EVENT_RELEASE:
02092 case EVENT_RELEASE_COMPLETE:
02093 {
02094 int channel=bc->channel;
02095 int tmpcause=bc->cause;
02096 empty_bc(bc);
02097 bc->cause=tmpcause;
02098 clean_up_bc(bc);
02099
02100 if (channel>0)
02101 empty_chan_in_stack(stack,channel);
02102 bc->in_use=0;
02103 }
02104 break;
02105
02106 default:
02107 break;
02108 }
02109
02110 if(!isdn_get_info(msgs_g,event,1)) {
02111 cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02112 } else {
02113 if (reject) {
02114 switch(bc->cause){
02115 case 17:
02116 cb_log(1, stack->port, "Siemens Busy reject..\n");
02117
02118 break;
02119 default:
02120 break;
02121 }
02122 }
02123 cb_event(event, bc, glob_mgr->user_data);
02124 }
02125 } else {
02126 cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02127 }
02128
02129 free_msg(msg);
02130 }
02131
02132
02133 return 0;
02134 }
02135
02136
02137 static int handle_timers(msg_t* msg)
02138 {
02139 iframe_t *frm= (iframe_t*)msg->data;
02140 struct misdn_stack *stack;
02141
02142
02143 switch (frm->prim) {
02144 case MGR_INITTIMER | CONFIRM:
02145 case MGR_ADDTIMER | CONFIRM:
02146 case MGR_DELTIMER | CONFIRM:
02147 case MGR_REMOVETIMER | CONFIRM:
02148 free_msg(msg);
02149 return(1);
02150 }
02151
02152
02153
02154 if (frm->prim==(MGR_TIMER | INDICATION) ) {
02155 for (stack = glob_mgr->stack_list;
02156 stack;
02157 stack = stack->next) {
02158 itimer_t *it;
02159
02160 if (!stack->nt) continue;
02161
02162 it = stack->nst.tlist;
02163
02164 for(it=stack->nst.tlist;
02165 it;
02166 it=it->next) {
02167 if (it->id == (int)frm->addr)
02168 break;
02169 }
02170 if (it) {
02171 int ret;
02172 ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02173 MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02174 test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02175 ret = it->function(it->data);
02176 free_msg(msg);
02177 return 1;
02178 }
02179 }
02180
02181 cb_log(0, 0, "Timer Msg without Timer ??\n");
02182 free_msg(msg);
02183 return 1;
02184 }
02185
02186 return 0;
02187 }
02188
02189
02190
02191 void misdn_lib_tone_generator_start(struct misdn_bchannel *bc)
02192 {
02193 bc->generate_tone=1;
02194 }
02195
02196 void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc)
02197 {
02198 bc->generate_tone=0;
02199 }
02200
02201
02202 static int do_tone(struct misdn_bchannel *bc, int len)
02203 {
02204 bc->tone_cnt=len;
02205
02206 if (bc->generate_tone) {
02207 cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02208
02209 if ( !bc->nojitter ) {
02210 misdn_tx_jitter(bc,len);
02211 }
02212
02213 return 1;
02214 }
02215
02216 return 0;
02217 }
02218
02219
02220 #ifdef MISDN_SAVE_DATA
02221 static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
02222 {
02223 char n1[32],n2[32];
02224 FILE *rx, *tx;
02225
02226 sprintf(n1,"/tmp/misdn-rx-%d.raw",id);
02227 sprintf(n2,"/tmp/misdn-tx-%d.raw",id);
02228
02229 rx = fopen(n1,"a+");
02230 tx = fopen(n2,"a+");
02231
02232 if (!rx || !tx) {
02233 cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
02234 if (rx)
02235 fclose(rx);
02236 if (tx)
02237 fclose(tx);
02238 return ;
02239 }
02240
02241 fwrite(p1,1,l1,rx);
02242 fwrite(p2,1,l2,tx);
02243
02244 fclose(rx);
02245 fclose(tx);
02246
02247 }
02248 #endif
02249
02250 void misdn_tx_jitter(struct misdn_bchannel *bc, int len)
02251 {
02252 char buf[4096 + mISDN_HEADER_LEN];
02253 char *data=&buf[mISDN_HEADER_LEN];
02254 iframe_t *txfrm= (iframe_t*)buf;
02255 int jlen, r;
02256
02257 jlen=cb_jb_empty(bc,data,len);
02258
02259 if (jlen) {
02260 #ifdef MISDN_SAVE_DATA
02261 misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02262 #endif
02263 flip_buf_bits( data, jlen);
02264
02265 if (jlen < len) {
02266 cb_log(1, bc->port, "Jitterbuffer Underrun. Got %d of expected %d\n", jlen, len);
02267 }
02268
02269 txfrm->prim = DL_DATA|REQUEST;
02270
02271 txfrm->dinfo = 0;
02272
02273 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02274
02275 txfrm->len =jlen;
02276 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02277
02278 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02279 } else {
02280 #define MISDN_GEN_SILENCE
02281 #ifdef MISDN_GEN_SILENCE
02282 int cnt=len/TONE_SILENCE_SIZE;
02283 int rest=len%TONE_SILENCE_SIZE;
02284 int i;
02285
02286 for (i=0; i<cnt; i++) {
02287 memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02288 data +=TONE_SILENCE_SIZE;
02289 }
02290
02291 if (rest) {
02292 memcpy(data, tone_silence_flip, rest);
02293 }
02294
02295 txfrm->prim = DL_DATA|REQUEST;
02296
02297 txfrm->dinfo = 0;
02298
02299 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02300
02301 txfrm->len =len;
02302 cb_log(5, bc->port, "Transmitting %d samples of silence to misdn\n", len);
02303
02304 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02305 #else
02306 r = 0;
02307 #endif
02308 }
02309
02310 if (r < 0) {
02311 cb_log(1, bc->port, "Error in mISDN_write (%s)\n", strerror(errno));
02312 }
02313 }
02314
02315 static int handle_bchan(msg_t *msg)
02316 {
02317 iframe_t *frm= (iframe_t*)msg->data;
02318 struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02319 struct misdn_stack *stack;
02320
02321 if (!bc) {
02322 cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02323 return 0 ;
02324 }
02325
02326 stack = get_stack_by_bc(bc);
02327
02328 if (!stack) {
02329 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);
02330 return 0;
02331 }
02332
02333 switch (frm->prim) {
02334
02335 case MGR_SETSTACK| CONFIRM:
02336 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02337 break;
02338
02339 case MGR_SETSTACK| INDICATION:
02340 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02341 break;
02342 #if 0
02343 AGAIN:
02344 bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02345 if (!bc->addr) {
02346
02347 if (errno == EAGAIN) {
02348 usleep(1000);
02349 goto AGAIN;
02350 }
02351
02352 cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02353
02354
02355
02356 bc->addr= frm->addr;
02357 } else if ( bc->addr < 0) {
02358 cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02359 bc->addr=0;
02360 }
02361
02362 cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02363
02364 free_msg(msg);
02365
02366
02367 switch(bc->bc_state) {
02368 case BCHAN_SETUP:
02369 bc_state_change(bc,BCHAN_SETUPED);
02370 break;
02371
02372 case BCHAN_CLEAN_REQUEST:
02373 default:
02374 cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02375 clean_up_bc(bc);
02376 }
02377 return 1;
02378 #endif
02379
02380 case MGR_DELLAYER| INDICATION:
02381 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02382 break;
02383
02384 case MGR_DELLAYER| CONFIRM:
02385 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02386
02387 bc->pid=0;
02388 bc->addr=0;
02389
02390 free_msg(msg);
02391 return 1;
02392
02393 case PH_ACTIVATE | INDICATION:
02394 case DL_ESTABLISH | INDICATION:
02395 cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02396
02397 free_msg(msg);
02398 return 1;
02399
02400 case PH_ACTIVATE | CONFIRM:
02401 case DL_ESTABLISH | CONFIRM:
02402
02403 cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02404 free_msg(msg);
02405
02406 return 1;
02407
02408 case DL_ESTABLISH | REQUEST:
02409 {
02410 char buf[128];
02411 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02412 }
02413 free_msg(msg);
02414 return 1;
02415
02416 case DL_RELEASE|REQUEST:
02417 {
02418 char buf[128];
02419 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02420 }
02421 free_msg(msg);
02422 return 1;
02423
02424 case PH_DEACTIVATE | INDICATION:
02425 case DL_RELEASE | INDICATION:
02426 cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02427
02428 free_msg(msg);
02429 return 1;
02430
02431 case PH_DEACTIVATE | CONFIRM:
02432 case DL_RELEASE | CONFIRM:
02433 cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02434
02435 free_msg(msg);
02436 return 1;
02437
02438 case PH_CONTROL|INDICATION:
02439 {
02440 unsigned int *cont = (unsigned int *) &frm->data.p;
02441
02442 cb_log(4, stack->port, "PH_CONTROL: channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
02443
02444 if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02445 int dtmf = *cont & DTMF_TONE_MASK;
02446 cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02447 bc->dtmf=dtmf;
02448 cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02449
02450 free_msg(msg);
02451 return 1;
02452 }
02453 if (*cont == BF_REJECT) {
02454 cb_log(4, stack->port, " --> BF REJECT\n");
02455 free_msg(msg);
02456 return 1;
02457 }
02458 if (*cont == BF_ACCEPT) {
02459 cb_log(4, stack->port, " --> BF ACCEPT\n");
02460 free_msg(msg);
02461 return 1;
02462 }
02463 }
02464 break;
02465
02466 case PH_DATA|REQUEST:
02467 case DL_DATA|REQUEST:
02468 cb_log(0, stack->port, "DL_DATA REQUEST \n");
02469 do_tone(bc, 64);
02470
02471 free_msg(msg);
02472 return 1;
02473
02474
02475 case PH_DATA|INDICATION:
02476 case DL_DATA|INDICATION:
02477 {
02478 bc->bframe = (void*)&frm->data.i;
02479 bc->bframe_len = frm->len;
02480
02481
02482 if ( misdn_cap_is_speech(bc->capability) )
02483 flip_buf_bits(bc->bframe, bc->bframe_len);
02484
02485
02486 if (!bc->bframe_len) {
02487 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02488 free_msg(msg);
02489 return 1;
02490 }
02491
02492 if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02493 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02494 free_msg(msg);
02495 return 1;
02496 }
02497
02498 #if MISDN_DEBUG
02499 cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02500
02501 #endif
02502
02503 if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02504 int t;
02505
02506 #ifdef MISDN_B_DEBUG
02507 cb_log(0,bc->port,"do_tone START\n");
02508 #endif
02509 t=do_tone(bc,frm->len);
02510
02511 #ifdef MISDN_B_DEBUG
02512 cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02513 #endif
02514 if ( !t ) {
02515 int i;
02516
02517 if ( misdn_cap_is_speech(bc->capability)) {
02518 if ( !bc->nojitter ) {
02519 #ifdef MISDN_B_DEBUG
02520 cb_log(0,bc->port,"tx_jitter START\n");
02521 #endif
02522 misdn_tx_jitter(bc,frm->len);
02523 #ifdef MISDN_B_DEBUG
02524 cb_log(0,bc->port,"tx_jitter STOP\n");
02525 #endif
02526 }
02527 }
02528
02529 #ifdef MISDN_B_DEBUG
02530 cb_log(0,bc->port,"EVENT_B_DATA START\n");
02531 #endif
02532
02533 i = cb_event(EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02534 #ifdef MISDN_B_DEBUG
02535 cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02536 #endif
02537
02538 if (i<0) {
02539 cb_log(10,stack->port,"cb_event returned <0\n");
02540
02541 }
02542 }
02543 }
02544 free_msg(msg);
02545 return 1;
02546 }
02547
02548
02549 case PH_CONTROL | CONFIRM:
02550 cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02551 free_msg(msg);
02552 return 1;
02553
02554 case PH_DATA | CONFIRM:
02555 case DL_DATA|CONFIRM:
02556 #if MISDN_DEBUG
02557
02558 cb_log(0, stack->port, "Data confirmed\n");
02559
02560 #endif
02561 free_msg(msg);
02562 return 1;
02563 case DL_DATA|RESPONSE:
02564 #if MISDN_DEBUG
02565 cb_log(0, stack->port, "Data response\n");
02566
02567 #endif
02568 break;
02569 }
02570
02571 return 0;
02572 }
02573
02574
02575
02576 static int handle_frm_nt(msg_t *msg)
02577 {
02578 iframe_t *frm= (iframe_t*)msg->data;
02579 struct misdn_stack *stack;
02580 int err=0;
02581
02582 stack=find_stack_by_addr( frm->addr );
02583
02584
02585
02586 if (!stack || !stack->nt) {
02587 return 0;
02588 }
02589
02590
02591 if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02592
02593 if (nt_err_cnt > 0 ) {
02594 if (nt_err_cnt < 100) {
02595 nt_err_cnt++;
02596 cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02597 } else if (nt_err_cnt < 105){
02598 cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02599 nt_err_cnt = - 1;
02600 }
02601 }
02602 free_msg(msg);
02603 return 1;
02604
02605 }
02606
02607 return 1;
02608 }
02609
02610
02611 static int handle_frm(msg_t *msg)
02612 {
02613 iframe_t *frm = (iframe_t*) msg->data;
02614
02615 struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02616
02617 if (!stack || stack->nt) {
02618 return 0;
02619 }
02620
02621 cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02622
02623 {
02624 struct misdn_bchannel dummybc;
02625 struct misdn_bchannel *bc;
02626 int ret=handle_cr(stack, frm);
02627
02628 if (ret<0) {
02629 cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02630
02631
02632 }
02633
02634 if(ret) {
02635 free_msg(msg);
02636 return 1;
02637 }
02638
02639 bc=find_bc_by_l3id(stack, frm->dinfo);
02640
02641 if (!bc && (frm->prim==(CC_RESTART|CONFIRM)) ) {
02642 misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02643 bc=&dummybc;
02644 }
02645
02646 if (!bc && (frm->prim==(CC_SETUP|INDICATION)) ) {
02647 misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02648 dummybc.port=stack->port;
02649 dummybc.l3_id=frm->dinfo;
02650 bc=&dummybc;
02651
02652 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02653
02654 free_msg(msg);
02655 return 1;
02656 }
02657
02658
02659 handle_frm_bc:
02660 if (bc ) {
02661 enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02662 enum event_response_e response=RESPONSE_OK;
02663 int ret;
02664
02665 isdn_msg_parse_event(msgs_g,msg,bc, 0);
02666
02667
02668 ret = handle_event(bc, event, frm);
02669 if (ret<0) {
02670 cb_log(0,stack->port,"couldn't handle event\n");
02671 free_msg(msg);
02672 return 1;
02673 }
02674
02675 cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02676
02677 if(!isdn_get_info(msgs_g,event,0))
02678 cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02679 else
02680 response=cb_event(event, bc, glob_mgr->user_data);
02681 #if 1
02682 if (event == EVENT_SETUP) {
02683 switch (response) {
02684 case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02685
02686 cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");
02687
02688 break;
02689 case RESPONSE_IGNORE_SETUP:
02690
02691 bc->out_cause=16;
02692
02693 case RESPONSE_RELEASE_SETUP:
02694 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02695 if (bc->channel>0)
02696 empty_chan_in_stack(stack, bc->channel);
02697 empty_bc(bc);
02698 bc_state_change(bc,BCHAN_CLEANED);
02699 bc->in_use=0;
02700
02701 cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02702 break;
02703 case RESPONSE_OK:
02704 cb_log(4, stack->port, "GOT SETUP OK\n");
02705
02706
02707 break;
02708 default:
02709 break;
02710 }
02711 }
02712
02713 if (event == EVENT_RELEASE_COMPLETE) {
02714
02715 int channel=bc->channel;
02716 int tmpcause=bc->cause;
02717 int tmp_out_cause=bc->out_cause;
02718 empty_bc(bc);
02719 bc->cause=tmpcause;
02720 bc->out_cause=tmp_out_cause;
02721 clean_up_bc(bc);
02722
02723 if (tmpcause == 44) {
02724 cb_log(0,stack->port,"**** Received CAUSE:44, so not cleaning up channel %d\n", channel);
02725 cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n");
02726 set_chan_in_stack(stack, channel);
02727 bc->channel=channel;
02728 misdn_lib_send_restart(stack->port, channel);
02729 } else {
02730 if (channel>0)
02731 empty_chan_in_stack(stack, channel);
02732 }
02733 bc->in_use=0;
02734 }
02735
02736 if (event == EVENT_RESTART) {
02737 cb_log(0, stack->port, "**** Received RESTART_ACK channel:%d\n", bc->restart_channel);
02738 empty_chan_in_stack(stack, bc->restart_channel);
02739 }
02740
02741 cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02742
02743
02744 free_msg(msg);
02745 return 1;
02746 #endif
02747
02748 } else {
02749 struct misdn_bchannel dummybc;
02750 if (frm->prim!=(CC_FACILITY|INDICATION))
02751 cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02752 else
02753 cb_log(5, stack->port, " --> Using Dummy BC for FACILITy\n");
02754
02755 memset (&dummybc,0,sizeof(dummybc));
02756 dummybc.port=stack->port;
02757 dummybc.l3_id=frm->dinfo;
02758 bc=&dummybc;
02759 goto handle_frm_bc;
02760 }
02761 }
02762
02763 cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02764 return 0;
02765 }
02766
02767
02768 static int handle_l1(msg_t *msg)
02769 {
02770 iframe_t *frm = (iframe_t*) msg->data;
02771 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02772 int i ;
02773
02774 if (!stack) return 0 ;
02775
02776 switch (frm->prim) {
02777 case PH_ACTIVATE | CONFIRM:
02778 case PH_ACTIVATE | INDICATION:
02779 cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02780 stack->l1link=1;
02781
02782 if (stack->nt) {
02783
02784 if (stack->nst.l1_l2(&stack->nst, msg))
02785 free_msg(msg);
02786
02787 if (stack->ptp)
02788 misdn_lib_get_l2_up(stack);
02789 } else {
02790 free_msg(msg);
02791 }
02792
02793 for (i=0;i<=stack->b_num; i++) {
02794 if (stack->bc[i].evq != EVENT_NOTHING) {
02795 cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02796 misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02797 stack->bc[i].evq=EVENT_NOTHING;
02798 }
02799
02800 }
02801 return 1;
02802
02803 case PH_ACTIVATE | REQUEST:
02804 free_msg(msg);
02805 cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02806 return 1;
02807
02808 case PH_DEACTIVATE | REQUEST:
02809 free_msg(msg);
02810 cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02811 return 1;
02812
02813 case PH_DEACTIVATE | CONFIRM:
02814 case PH_DEACTIVATE | INDICATION:
02815 cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02816
02817 #if 0
02818 for (i=0; i<=stack->b_num; i++) {
02819 if (global_state == MISDN_INITIALIZED) {
02820 cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02821 }
02822 }
02823 #endif
02824
02825 if (stack->nt) {
02826 if (stack->nst.l1_l2(&stack->nst, msg))
02827 free_msg(msg);
02828 } else {
02829 free_msg(msg);
02830 }
02831
02832 stack->l1link=0;
02833 stack->l2link=0;
02834 return 1;
02835 }
02836
02837 return 0;
02838 }
02839
02840 static int handle_l2(msg_t *msg)
02841 {
02842 iframe_t *frm = (iframe_t*) msg->data;
02843
02844 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02845
02846 if (!stack) {
02847 return 0 ;
02848 }
02849
02850 switch(frm->prim) {
02851
02852 case DL_ESTABLISH | REQUEST:
02853 cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02854 return 1;
02855 case DL_RELEASE | REQUEST:
02856 cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02857 return 1;
02858
02859 case DL_ESTABLISH | INDICATION:
02860 case DL_ESTABLISH | CONFIRM:
02861 {
02862 cb_log (3, stack->port, "L2: L2Link Up! \n");
02863 if (stack->ptp && stack->l2link) {
02864 cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
02865 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02866 }
02867 stack->l2link=1;
02868 free_msg(msg);
02869 return 1;
02870 }
02871 break;
02872
02873 case DL_RELEASE | INDICATION:
02874 case DL_RELEASE | CONFIRM:
02875 {
02876 cb_log (3, stack->port, "L2: L2Link Down! \n");
02877 stack->l2link=0;
02878
02879 free_msg(msg);
02880 return 1;
02881 }
02882 break;
02883 }
02884 return 0;
02885 }
02886
02887 static int handle_mgmt(msg_t *msg)
02888 {
02889 iframe_t *frm = (iframe_t*) msg->data;
02890 struct misdn_stack *stack;
02891
02892 if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02893 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02894 free_msg(msg);
02895 return 1;
02896 }
02897
02898 stack = find_stack_by_addr(frm->addr);
02899
02900 if (!stack) {
02901 if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02902 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02903 frm->addr) ;
02904 free_msg(msg);
02905 return 1;
02906 }
02907
02908 return 0;
02909 }
02910
02911 switch(frm->prim) {
02912 case MGR_SHORTSTATUS | INDICATION:
02913 case MGR_SHORTSTATUS | CONFIRM:
02914 cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02915
02916 switch (frm->dinfo) {
02917 case SSTATUS_L1_ACTIVATED:
02918 cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02919 stack->l1link=1;
02920
02921 break;
02922 case SSTATUS_L1_DEACTIVATED:
02923 cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02924 stack->l1link=0;
02925 #if 0
02926 clear_l3(stack);
02927 #endif
02928 break;
02929
02930 case SSTATUS_L2_ESTABLISHED:
02931 cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02932 stack->l2link=1;
02933 break;
02934
02935 case SSTATUS_L2_RELEASED:
02936 cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02937 stack->l2link=0;
02938 break;
02939 }
02940
02941 free_msg(msg);
02942 return 1;
02943
02944 case MGR_SETSTACK | INDICATION:
02945 cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02946 free_msg(msg);
02947 return 1;
02948 case MGR_DELLAYER | CONFIRM:
02949 cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02950 free_msg(msg);
02951 return 1;
02952
02953 }
02954
02955
02956
02957
02958
02959
02960
02961
02962 return 0;
02963 }
02964
02965
02966 static msg_t *fetch_msg(int midev)
02967 {
02968 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02969 int r;
02970
02971 if (!msg) {
02972 cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02973 return NULL;
02974 }
02975
02976 AGAIN:
02977 r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02978 msg->len=r;
02979
02980 if (r==0) {
02981 free_msg(msg);
02982 cb_log(6,0,"Got empty Msg..\n");
02983 return NULL;
02984 }
02985
02986 if (r<0) {
02987 if (errno == EAGAIN) {
02988
02989 cb_log(4,0,"mISDN_read wants us to wait\n");
02990 usleep(5000);
02991 goto AGAIN;
02992 }
02993
02994 cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
02995 }
02996
02997 #if 0
02998 if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02999 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 );
03000 #endif
03001 return msg;
03002 }
03003
03004 void misdn_lib_isdn_l1watcher(int port)
03005 {
03006 struct misdn_stack *stack;
03007
03008 for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
03009 ;
03010
03011 if (stack) {
03012 cb_log(4, port, "Checking L1 State\n");
03013 if (!stack->l1link) {
03014 cb_log(4, port, "L1 State Down, trying to get it up again\n");
03015 misdn_lib_get_short_status(stack);
03016 misdn_lib_get_l1_up(stack);
03017 misdn_lib_get_l2_up(stack);
03018 }
03019 }
03020 }
03021
03022 static void misdn_lib_isdn_event_catcher(void *arg)
03023 {
03024 struct misdn_lib *mgr = arg;
03025 int zero_frm=0 , fff_frm=0 ;
03026 int midev= mgr->midev;
03027 int port=0;
03028
03029 while (1) {
03030 msg_t *msg = fetch_msg(midev);
03031 iframe_t *frm;
03032
03033
03034 if (!msg) continue;
03035
03036 frm = (iframe_t*) msg->data;
03037
03038
03039 if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
03040 zero_frm++;
03041 free_msg(msg);
03042 continue;
03043 } else {
03044 if (zero_frm) {
03045 cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03046 zero_frm = 0 ;
03047 }
03048 }
03049
03050
03051 if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03052 fff_frm++;
03053 free_msg(msg);
03054 continue;
03055 } else {
03056 if (fff_frm) {
03057 cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03058 fff_frm = 0 ;
03059 }
03060 }
03061
03062 manager_isdn_handler(frm, msg);
03063 }
03064
03065 }
03066
03067
03068
03069
03070 int te_lib_init() {
03071 char buff[1025] = "";
03072 iframe_t *frm=(iframe_t*)buff;
03073 int midev=mISDN_open();
03074 int ret;
03075
03076 if (midev<=0) return midev;
03077
03078
03079 mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03080 ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03081
03082 if (ret < mISDN_HEADER_LEN) {
03083 noentity:
03084 fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03085 exit(-1);
03086 }
03087
03088 entity = frm->dinfo & 0xffff ;
03089
03090 if (!entity)
03091 goto noentity;
03092
03093 return midev;
03094
03095 }
03096
03097 void te_lib_destroy(int midev)
03098 {
03099 char buf[1024];
03100 mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03101
03102 cb_log(4, 0, "Entetity deleted\n");
03103 mISDN_close(midev);
03104 cb_log(4, 0, "midev closed\n");
03105 }
03106
03107
03108
03109 void misdn_lib_transfer(struct misdn_bchannel* holded_bc)
03110 {
03111 holded_bc->holded=0;
03112 }
03113
03114 struct misdn_bchannel *manager_find_bc_by_pid(int pid)
03115 {
03116 struct misdn_stack *stack;
03117 int i;
03118
03119 for (stack=glob_mgr->stack_list;
03120 stack;
03121 stack=stack->next) {
03122 for (i=0; i<=stack->b_num; i++)
03123 if (stack->bc[i].pid == pid) return &stack->bc[i];
03124 }
03125
03126 return NULL;
03127 }
03128
03129 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc)
03130 {
03131 struct misdn_stack *stack=get_stack_by_bc(bc);
03132 return find_bc_holded(stack);
03133 }
03134
03135
03136
03137 static int test_inuse(struct misdn_bchannel *bc)
03138 {
03139 struct timeval now;
03140 gettimeofday(&now, NULL);
03141 if (!bc->in_use) {
03142 if (misdn_lib_port_is_pri(bc->port) && bc->last_used.tv_sec == now.tv_sec ) {
03143 cb_log(2,bc->port, "channel with stid:%x for one second still in use! (n:%d lu:%d)\n", bc->b_stid, (int) now.tv_sec, (int) bc->last_used.tv_sec);
03144 return 1;
03145 }
03146
03147
03148 cb_log(3,bc->port, "channel with stid:%x not in use!\n", bc->b_stid);
03149 return 0;
03150 }
03151
03152 cb_log(2,bc->port, "channel with stid:%x in use!\n", bc->b_stid);
03153 return 1;
03154 }
03155
03156
03157 static void prepare_bc(struct misdn_bchannel*bc, int channel)
03158 {
03159 bc->channel = channel;
03160 bc->channel_preselected = channel?1:0;
03161 bc->in_use = 1;
03162 bc->need_disconnect=1;
03163 bc->need_release=1;
03164 bc->need_release_complete=1;
03165 bc->cause=16;
03166
03167 if (++mypid>5000) mypid=1;
03168 bc->pid=mypid;
03169
03170 #if 0
03171 bc->addr=0;
03172 bc->b_stid=0;
03173 bc->layer_id=0;
03174 #endif
03175 }
03176
03177 struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec)
03178 {
03179 struct misdn_stack *stack;
03180 int i;
03181
03182 if (channel < 0 || channel > MAX_BCHANS) {
03183 cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03184 return NULL;
03185 }
03186
03187 usleep(1000);
03188
03189 for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03190
03191 if (stack->port == port) {
03192 int maxnum;
03193
03194 if (stack->blocked) {
03195 cb_log(0,port,"Port is blocked\n");
03196 return NULL;
03197 }
03198
03199 if (channel > 0) {
03200 if (channel <= stack->b_num) {
03201 for (i = 0; i < stack->b_num; i++) {
03202 if ( stack->bc[i].channel == channel) {
03203 if (test_inuse(&stack->bc[i])) {
03204 cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03205 return NULL;
03206
03207 } else {
03208 prepare_bc(&stack->bc[i], channel);
03209 return &stack->bc[i];
03210 }
03211 }
03212 }
03213 } else {
03214 cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03215 return NULL;
03216 }
03217 }
03218
03219 maxnum = inout && !stack->pri && !stack->ptp ? stack->b_num + 1 : stack->b_num;
03220
03221 if (dec) {
03222 for (i = maxnum-1; i>=0; i--) {
03223 if (!test_inuse(&stack->bc[i])) {
03224
03225 if (!stack->pri && i==stack->b_num)
03226 stack->bc[i].cw=1;
03227
03228 prepare_bc(&stack->bc[i], channel);
03229 stack->bc[i].dec=1;
03230 return &stack->bc[i];
03231 }
03232 }
03233 } else {
03234 for (i = 0; i <maxnum; i++) {
03235 if (!test_inuse(&stack->bc[i])) {
03236
03237 if (!stack->pri && i==stack->b_num)
03238 stack->bc[i].cw=1;
03239
03240 prepare_bc(&stack->bc[i], channel);
03241 return &stack->bc[i];
03242 }
03243 }
03244 }
03245
03246 cb_log(1,port,"There is no free channel on port (%d)\n",port);
03247 return NULL;
03248 }
03249 }
03250
03251 cb_log(0,port,"Port is not configured (%d)\n",port);
03252 return NULL;
03253 }
03254
03255
03256 static char *fac2str (enum FacFunction func)
03257 {
03258 struct arr_el {
03259 enum FacFunction p;
03260 char *s ;
03261 } arr[] = {
03262 { Fac_None, "Fac_None" },
03263 { Fac_CD, "Fac_CD"},
03264 };
03265
03266 int i;
03267
03268 for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03269 if ( arr[i].p==func) return arr[i].s;
03270
03271 return "unknown";
03272 }
03273
03274 void misdn_lib_log_ies(struct misdn_bchannel *bc)
03275 {
03276 struct misdn_stack *stack;
03277
03278 if (!bc) return;
03279
03280 stack = get_stack_by_bc(bc);
03281
03282 if (!stack) return;
03283
03284 cb_log(2, stack->port, " --> channel:%d mode:%s cause:%d ocause:%d rad:%s cad:%s\n", bc->channel, stack->nt?"NT":"TE", bc->cause, bc->out_cause, bc->rad, bc->cad);
03285
03286 cb_log(2, stack->port,
03287 " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03288 bc->info_dad,
03289 bc->onumplan>=0?'0'+bc->onumplan:' ',
03290 bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03291 bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03292 bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03293 );
03294
03295 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);
03296 cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03297 bc->screen, bc->pres);
03298
03299 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);
03300
03301 cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03302
03303 cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03304
03305 cb_log(5, stack->port, " --> bc:%p h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03306 }
03307
03308 void misdn_send_lock(struct misdn_bchannel *bc);
03309 void misdn_send_unlock(struct misdn_bchannel *bc);
03310
03311 #define RETURN(a,b) {retval=a; goto b;}
03312
03313 void misdn_send_lock(struct misdn_bchannel *bc)
03314 {
03315
03316 if (bc->send_lock)
03317 pthread_mutex_lock(&bc->send_lock->lock);
03318 }
03319
03320 void misdn_send_unlock(struct misdn_bchannel *bc)
03321 {
03322
03323 if (bc->send_lock)
03324 pthread_mutex_unlock(&bc->send_lock->lock);
03325 }
03326
03327 int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
03328 {
03329 msg_t *msg;
03330 int retval=0;
03331 struct misdn_stack *stack;
03332
03333 if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03334
03335 stack = get_stack_by_bc(bc);
03336
03337 if (!stack) {
03338 cb_log(0,bc->port,"SENDEVENT: no Stack for event:%s oad:%s dad:%s \n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad);
03339 RETURN(-1,OUT);
03340 }
03341
03342 misdn_send_lock(bc);
03343
03344
03345 cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03346
03347 if ( stack->nt && !stack->l1link) {
03348
03349 bc->evq=event;
03350 cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03351 misdn_lib_get_l1_up(stack);
03352 RETURN(0,OUT);
03353 }
03354
03355 cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s pid:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, bc->pid);
03356 cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03357 misdn_lib_log_ies(bc);
03358
03359 switch (event) {
03360 case EVENT_SETUP:
03361 if (create_process(glob_mgr->midev, bc)<0) {
03362 cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03363
03364 RETURN(-ENOCHAN,OUT);
03365 }
03366 break;
03367
03368 case EVENT_PROGRESS:
03369 case EVENT_ALERTING:
03370 case EVENT_PROCEEDING:
03371 case EVENT_SETUP_ACKNOWLEDGE:
03372 case EVENT_CONNECT:
03373 if (!stack->nt) break;
03374
03375 case EVENT_RETRIEVE_ACKNOWLEDGE:
03376
03377 if (stack->nt) {
03378 if (bc->channel <=0 ) {
03379 if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03380 cb_log(0, stack->port, " No free channel at the moment\n");
03381
03382 RETURN(-ENOCHAN,OUT);
03383 }
03384 }
03385
03386 }
03387
03388 retval=setup_bc(bc);
03389 if (retval == -EINVAL) {
03390 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03391 }
03392
03393 if (misdn_cap_is_speech(bc->capability)) {
03394 if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03395 if ( *bc->crypt_key ) {
03396 cb_log(4, stack->port, " --> ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
03397
03398 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03399 }
03400
03401 if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03402 manager_ec_enable(bc);
03403
03404 if (bc->txgain != 0) {
03405 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03406 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03407 }
03408
03409 if ( bc->rxgain != 0 ) {
03410 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03411 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03412 }
03413 }
03414 }
03415 break;
03416
03417 case EVENT_HOLD_ACKNOWLEDGE:
03418 {
03419 struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03420 if (!holded_bc) {
03421 cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03422 RETURN(-1,OUT);
03423 }
03424
03425
03426 memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03427 holded_bc->holded=1;
03428 bc_state_change(holded_bc,BCHAN_CLEANED);
03429
03430 stack_holder_add(stack,holded_bc);
03431
03432
03433 if (stack->nt) {
03434 int channel;
03435 if (bc->bc_state == BCHAN_BRIDGED) {
03436 struct misdn_bchannel *bc2;
03437
03438 misdn_split_conf(bc,bc->conf_id);
03439 bc2 = find_bc_by_confid(bc->conf_id);
03440 if (!bc2) {
03441 cb_log(0,bc->port,"We have no second bc in bridge???\n");
03442 } else {
03443 misdn_split_conf(bc2,bc->conf_id);
03444 }
03445 }
03446
03447 channel = bc->channel;
03448
03449 empty_bc(bc);
03450 clean_up_bc(bc);
03451
03452 if (channel>0)
03453 empty_chan_in_stack(stack,channel);
03454
03455 bc->in_use=0;
03456 }
03457
03458 }
03459 break;
03460
03461
03462 case EVENT_DISCONNECT:
03463 if (!bc->need_disconnect) {
03464 cb_log(0,bc->port," --> we have already send Disconnect\n");
03465 RETURN(-1,OUT);
03466 }
03467
03468 bc->need_disconnect=0;
03469 break;
03470 case EVENT_RELEASE:
03471 if (!bc->need_release) {
03472 cb_log(0,bc->port," --> we have already send Release\n");
03473 RETURN(-1,OUT);
03474 }
03475 bc->need_disconnect=0;
03476 bc->need_release=0;
03477 break;
03478 case EVENT_RELEASE_COMPLETE:
03479 if (!bc->need_release_complete) {
03480 cb_log(0,bc->port," --> we have already send Release_complete\n");
03481 RETURN(-1,OUT);
03482 }
03483 bc->need_disconnect=0;
03484 bc->need_release=0;
03485 bc->need_release_complete=0;
03486
03487 if (!stack->nt) {
03488
03489 int channel=bc->channel;
03490
03491 int tmpcause=bc->cause;
03492 int tmp_out_cause=bc->out_cause;
03493 empty_bc(bc);
03494 bc->cause=tmpcause;
03495 bc->out_cause=tmp_out_cause;
03496 clean_up_bc(bc);
03497
03498 if (channel>0)
03499 empty_chan_in_stack(stack,channel);
03500
03501 bc->in_use=0;
03502 }
03503 break;
03504
03505 case EVENT_CONNECT_ACKNOWLEDGE:
03506
03507 if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03508 int retval=setup_bc(bc);
03509 if (retval == -EINVAL){
03510 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03511
03512 }
03513 }
03514
03515 if (misdn_cap_is_speech(bc->capability)) {
03516 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03517 manager_ec_enable(bc);
03518
03519 if ( bc->txgain != 0 ) {
03520 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03521 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03522 }
03523 if ( bc->rxgain != 0 ) {
03524 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03525 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03526 }
03527 }
03528 break;
03529
03530 default:
03531 break;
03532 }
03533
03534
03535 msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03536 msg_queue_tail(&stack->downqueue, msg);
03537 sem_post(&glob_mgr->new_msg);
03538
03539 OUT:
03540 misdn_send_unlock(bc);
03541
03542 OUT_POST_UNLOCK:
03543 return retval;
03544 }
03545
03546
03547 static int handle_err(msg_t *msg)
03548 {
03549 iframe_t *frm = (iframe_t*) msg->data;
03550
03551
03552 if (!frm->addr) {
03553 static int cnt=0;
03554 if (!cnt)
03555 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03556 cnt++;
03557 if (cnt>100) {
03558 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03559 cnt=0;
03560 }
03561
03562 free_msg(msg);
03563 return 1;
03564
03565 }
03566
03567 switch (frm->prim) {
03568 case MGR_SETSTACK|INDICATION:
03569 return handle_bchan(msg);
03570 break;
03571
03572 case MGR_SETSTACK|CONFIRM:
03573 case MGR_CLEARSTACK|CONFIRM:
03574 free_msg(msg) ;
03575 return 1;
03576 break;
03577
03578 case DL_DATA|CONFIRM:
03579 cb_log(4,0,"DL_DATA|CONFIRM\n");
03580 free_msg(msg);
03581 return 1;
03582
03583 case PH_CONTROL|CONFIRM:
03584 cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03585 free_msg(msg);
03586 return 1;
03587
03588 case DL_DATA|INDICATION:
03589 {
03590 int port=(frm->addr&MASTER_ID_MASK) >> 8;
03591 int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03592 struct misdn_bchannel *bc;
03593
03594
03595
03596 cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03597
03598 free_msg(msg);
03599 return 1;
03600
03601
03602 bc = find_bc_by_channel(port, channel);
03603
03604 if (!bc) {
03605 struct misdn_stack *stack = find_stack_by_port(port);
03606
03607 if (!stack) {
03608 cb_log(0,0," --> stack not found\n");
03609 free_msg(msg);
03610 return 1;
03611 }
03612
03613 cb_log(0,0," --> bc not found by channel\n");
03614 if (stack->l2link)
03615 misdn_lib_get_l2_down(stack);
03616
03617 if (stack->l1link)
03618 misdn_lib_get_l1_down(stack);
03619
03620 free_msg(msg);
03621 return 1;
03622 }
03623
03624 cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03625 }
03626 }
03627
03628 return 0;
03629 }
03630
03631 #if 0
03632 static int queue_l2l3(msg_t *msg)
03633 {
03634 iframe_t *frm= (iframe_t*)msg->data;
03635 struct misdn_stack *stack;
03636 stack=find_stack_by_addr( frm->addr );
03637
03638
03639 if (!stack) {
03640 return 0;
03641 }
03642
03643 msg_queue_tail(&stack->upqueue, msg);
03644 sem_post(&glob_mgr->new_msg);
03645 return 1;
03646 }
03647 #endif
03648
03649 int manager_isdn_handler(iframe_t *frm ,msg_t *msg)
03650 {
03651
03652 if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03653 cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03654 }
03655
03656 if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03657 static int unhandled_bmsg_count=1000;
03658 if (handle_bchan(msg)) {
03659 return 0 ;
03660 }
03661
03662 if (unhandled_bmsg_count==1000) {
03663 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);
03664 unhandled_bmsg_count=0;
03665 }
03666
03667 unhandled_bmsg_count++;
03668 free_msg(msg);
03669 return 0;
03670 }
03671
03672 #ifdef RECV_FRM_SYSLOG_DEBUG
03673 syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03674 #endif
03675
03676 if (handle_timers(msg))
03677 return 0 ;
03678
03679
03680 if (handle_mgmt(msg))
03681 return 0 ;
03682
03683 if (handle_l2(msg))
03684 return 0 ;
03685
03686
03687 if (handle_l1(msg))
03688 return 0 ;
03689
03690 if (handle_frm_nt(msg)) {
03691 return 0;
03692 }
03693
03694 if (handle_frm(msg)) {
03695 return 0;
03696 }
03697
03698 if (handle_err(msg)) {
03699 return 0 ;
03700 }
03701
03702 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);
03703 free_msg(msg);
03704
03705
03706 return 0;
03707 }
03708
03709
03710
03711
03712 int misdn_lib_get_port_info(int port)
03713 {
03714 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03715 iframe_t *frm;
03716 struct misdn_stack *stack=find_stack_by_port(port);
03717 if (!msg) {
03718 cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03719 return -1;
03720 }
03721 frm=(iframe_t*)msg->data;
03722 if (!stack ) {
03723 cb_log(0, port, "There is no Stack for this port.\n");
03724 return -1;
03725 }
03726
03727 frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03728
03729 frm->addr = stack->upper_id| FLG_MSG_DOWN;
03730
03731 frm->dinfo = 0;
03732 frm->len = 0;
03733
03734 msg_queue_tail(&glob_mgr->activatequeue, msg);
03735 sem_post(&glob_mgr->new_msg);
03736
03737
03738 return 0;
03739 }
03740
03741
03742 int queue_cleanup_bc(struct misdn_bchannel *bc)
03743 {
03744 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03745 iframe_t *frm;
03746 if (!msg) {
03747 cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03748 return -1;
03749 }
03750 frm=(iframe_t*)msg->data;
03751
03752
03753 frm->prim = MGR_CLEARSTACK| REQUEST;
03754
03755 frm->addr = bc->l3_id;
03756
03757 frm->dinfo = bc->port;
03758 frm->len = 0;
03759
03760 msg_queue_tail(&glob_mgr->activatequeue, msg);
03761 sem_post(&glob_mgr->new_msg);
03762
03763 return 0;
03764
03765 }
03766
03767 int misdn_lib_pid_restart(int pid)
03768 {
03769 struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03770
03771 if (bc) {
03772 manager_clean_bc(bc);
03773 }
03774 return 0;
03775 }
03776
03777
03778 int misdn_lib_send_restart(int port, int channel)
03779 {
03780 struct misdn_stack *stack=find_stack_by_port(port);
03781 struct misdn_bchannel dummybc;
03782
03783 cb_log(0, port, "Sending Restarts on this port.\n");
03784
03785 misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03786
03787
03788 if (channel <0) {
03789 dummybc.channel=-1;
03790 cb_log(0, port, "Restarting and all Interfaces\n");
03791 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03792
03793 return 0;
03794 }
03795
03796
03797 if (channel >0) {
03798 int cnt;
03799 dummybc.channel=channel;
03800 cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
03801 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03802
03803
03804 for (cnt=0; cnt<=stack->b_num; cnt++) {
03805 if (stack->bc[cnt].channel == channel) {
03806 empty_bc(&stack->bc[cnt]);
03807 clean_up_bc(&stack->bc[cnt]);
03808 stack->bc[cnt].in_use=0;
03809 }
03810 }
03811 }
03812
03813 return 0;
03814 }
03815
03816
03817 int misdn_lib_port_restart(int port)
03818 {
03819 struct misdn_stack *stack=find_stack_by_port(port);
03820
03821 cb_log(0, port, "Restarting this port.\n");
03822 if (stack) {
03823 cb_log(0, port, "Stack:%p\n",stack);
03824
03825 clear_l3(stack);
03826 {
03827 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03828 iframe_t *frm;
03829
03830 if (!msg) {
03831 cb_log(0, port, "port_restart: alloc_msg failed\n");
03832 return -1;
03833 }
03834
03835 frm=(iframe_t*)msg->data;
03836
03837
03838 frm->prim = DL_RELEASE | REQUEST;
03839 frm->addr = stack->upper_id | FLG_MSG_DOWN;
03840
03841 frm->dinfo = 0;
03842 frm->len = 0;
03843 msg_queue_tail(&glob_mgr->activatequeue, msg);
03844 sem_post(&glob_mgr->new_msg);
03845 }
03846
03847 if (stack->nt)
03848 misdn_lib_reinit_nt_stack(stack->port);
03849
03850 }
03851
03852 return 0;
03853 }
03854
03855
03856
03857 sem_t handler_started;
03858
03859 static void manager_event_handler(void *arg)
03860 {
03861 sem_post(&handler_started);
03862 while (1) {
03863 struct misdn_stack *stack;
03864 msg_t *msg;
03865
03866
03867 sem_wait(&glob_mgr->new_msg);
03868
03869 for (msg=msg_dequeue(&glob_mgr->activatequeue);
03870 msg;
03871 msg=msg_dequeue(&glob_mgr->activatequeue)
03872 )
03873 {
03874
03875 iframe_t *frm = (iframe_t*) msg->data ;
03876
03877 switch ( frm->prim) {
03878
03879 case MGR_CLEARSTACK | REQUEST:
03880
03881 {
03882 struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03883 struct misdn_bchannel *bc;
03884 if (!stack) {
03885 cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03886 free_msg(msg);
03887 break;
03888 }
03889
03890 bc = find_bc_by_l3id(stack, frm->addr);
03891 if (bc) {
03892 cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03893 clean_up_bc(bc);
03894 } else {
03895 cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03896 }
03897 }
03898 free_msg(msg);
03899 break;
03900 case MGR_SETSTACK | REQUEST :
03901 break;
03902 default:
03903 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03904 free_msg(msg);
03905 }
03906 }
03907
03908 for (stack=glob_mgr->stack_list;
03909 stack;
03910 stack=stack->next ) {
03911
03912 while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03913
03914 if (!handle_frm_nt(msg)) {
03915
03916 if (!handle_frm(msg)) {
03917
03918 cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03919 }
03920 }
03921 }
03922
03923
03924
03925
03926
03927
03928 while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03929 if (stack->nt ) {
03930 if (stack->nst.manager_l3(&stack->nst, msg))
03931 cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03932
03933 } else {
03934 iframe_t *frm = (iframe_t *)msg->data;
03935 struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03936 if (bc)
03937 send_msg(glob_mgr->midev, bc, msg);
03938 else {
03939 if (frm->dinfo == MISDN_ID_GLOBAL || frm->dinfo == MISDN_ID_DUMMY ) {
03940 struct misdn_bchannel dummybc;
03941 cb_log(5,0," --> GLOBAL/DUMMY\n");
03942 misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
03943 send_msg(glob_mgr->midev, &dummybc, msg);
03944 } else {
03945 cb_log(0,0,"No bc for Message\n");
03946 }
03947 }
03948 }
03949 }
03950 }
03951 }
03952 }
03953
03954
03955 int misdn_lib_maxports_get() {
03956
03957 int i = mISDN_open();
03958 int max=0;
03959
03960 if (i<0)
03961 return -1;
03962
03963 max = mISDN_get_stack_count(i);
03964
03965 mISDN_close(i);
03966
03967 return max;
03968 }
03969
03970
03971 void misdn_lib_nt_keepcalls( int kc)
03972 {
03973 #ifdef FEATURE_NET_KEEPCALLS
03974 if (kc) {
03975 struct misdn_stack *stack=get_misdn_stack();
03976 for ( ; stack; stack=stack->next) {
03977 stack->nst.feature |= FEATURE_NET_KEEPCALLS;
03978 }
03979 }
03980 #endif
03981 }
03982
03983 void misdn_lib_nt_debug_init( int flags, char *file )
03984 {
03985 int static init=0;
03986 char *f;
03987
03988 if (!flags)
03989 f=NULL;
03990 else
03991 f=file;
03992
03993 if (!init) {
03994 debug_init( flags , f, f, f);
03995 init=1;
03996 } else {
03997 debug_close();
03998 debug_init( flags , f, f, f);
03999 }
04000 }
04001
04002
04003 int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data)
04004 {
04005 struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
04006 char *tok, *tokb;
04007 char plist[1024];
04008 int midev;
04009 int port_count=0;
04010
04011 cb_log = iface->cb_log;
04012 cb_event = iface->cb_event;
04013 cb_jb_empty = iface->cb_jb_empty;
04014
04015 glob_mgr = mgr;
04016
04017 msg_init();
04018
04019 misdn_lib_nt_debug_init(0,NULL);
04020
04021 if (!portlist || (*portlist == 0) ) return 1;
04022
04023 init_flip_bits();
04024
04025 {
04026 strncpy(plist,portlist, 1024);
04027 plist[1023] = 0;
04028 }
04029
04030 memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
04031 flip_buf_bits(tone_425_flip,TONE_425_SIZE);
04032
04033 memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
04034 flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
04035
04036 midev=te_lib_init();
04037 mgr->midev=midev;
04038
04039 port_count=mISDN_get_stack_count(midev);
04040
04041 msg_queue_init(&mgr->activatequeue);
04042
04043 if (sem_init(&mgr->new_msg, 1, 0)<0)
04044 sem_init(&mgr->new_msg, 0, 0);
04045
04046 for (tok=strtok_r(plist," ,",&tokb );
04047 tok;
04048 tok=strtok_r(NULL," ,",&tokb)) {
04049 int port = atoi(tok);
04050 struct misdn_stack *stack;
04051 static int first=1;
04052 int ptp=0;
04053
04054 if (strstr(tok, "ptp"))
04055 ptp=1;
04056
04057 if (port > port_count) {
04058 cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
04059 exit(1);
04060 }
04061 stack=stack_init(midev, port, ptp);
04062
04063 if (!stack) {
04064 perror("init_stack");
04065 exit(1);
04066 }
04067
04068 {
04069 int i;
04070 for(i=0;i<=stack->b_num; i++) {
04071 int r;
04072 if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
04073 cb_log(0, port, "Got Err @ init_bc :%d\n",r);
04074 exit(1);
04075 }
04076 }
04077 }
04078
04079 if (stack && first) {
04080 mgr->stack_list=stack;
04081 first=0;
04082 continue;
04083 }
04084
04085 if (stack) {
04086 struct misdn_stack * help;
04087 for ( help=mgr->stack_list; help; help=help->next )
04088 if (help->next == NULL) break;
04089 help->next=stack;
04090 }
04091
04092 }
04093
04094 if (sem_init(&handler_started, 1, 0)<0)
04095 sem_init(&handler_started, 0, 0);
04096
04097 cb_log(8, 0, "Starting Event Handler\n");
04098 pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04099
04100 sem_wait(&handler_started) ;
04101 cb_log(8, 0, "Starting Event Catcher\n");
04102 pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04103
04104 cb_log(8, 0, "Event Catcher started\n");
04105
04106 global_state= MISDN_INITIALIZED;
04107
04108 return (mgr == NULL);
04109 }
04110
04111 void misdn_lib_destroy()
04112 {
04113 struct misdn_stack *help;
04114 int i;
04115
04116 for ( help=glob_mgr->stack_list; help; help=help->next ) {
04117 for(i=0;i<=help->b_num; i++) {
04118 char buf[1024];
04119 mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04120 help->bc[i].addr = 0;
04121 }
04122 cb_log (1, help->port, "Destroying this port.\n");
04123 stack_destroy(help);
04124 }
04125
04126 if (global_state == MISDN_INITIALIZED) {
04127 cb_log(4, 0, "Killing Handler Thread\n");
04128 if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04129 cb_log(4, 0, "Joining Handler Thread\n");
04130 pthread_join(glob_mgr->event_handler_thread, NULL);
04131 }
04132
04133 cb_log(4, 0, "Killing Main Thread\n");
04134 if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04135 cb_log(4, 0, "Joining Main Thread\n");
04136 pthread_join(glob_mgr->event_thread, NULL);
04137 }
04138 }
04139
04140 cb_log(1, 0, "Closing mISDN device\n");
04141 te_lib_destroy(glob_mgr->midev);
04142 }
04143
04144 char *manager_isdn_get_info(enum event_e event)
04145 {
04146 return isdn_get_info(msgs_g , event, 0);
04147 }
04148
04149 void manager_bchannel_activate(struct misdn_bchannel *bc)
04150 {
04151 char buf[128];
04152
04153 struct misdn_stack *stack=get_stack_by_bc(bc);
04154
04155 if (!stack) {
04156 cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04157 return ;
04158 }
04159
04160
04161 clear_ibuffer(bc->astbuf);
04162
04163 cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04164
04165 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04166
04167 return ;
04168 }
04169
04170
04171 void manager_bchannel_deactivate(struct misdn_bchannel * bc)
04172 {
04173
04174 struct misdn_stack *stack=get_stack_by_bc(bc);
04175 iframe_t dact;
04176 char buf[128];
04177
04178 switch (bc->bc_state) {
04179 case BCHAN_ACTIVATED:
04180 break;
04181 case BCHAN_BRIDGED:
04182 misdn_split_conf(bc,bc->conf_id);
04183 break;
04184 default:
04185 cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04186 return ;
04187
04188 }
04189
04190 cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04191
04192 bc->generate_tone=0;
04193
04194 dact.prim = DL_RELEASE | REQUEST;
04195 dact.addr = bc->addr | FLG_MSG_DOWN;
04196 dact.dinfo = 0;
04197 dact.len = 0;
04198 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04199
04200 clear_ibuffer(bc->astbuf);
04201
04202 bc_state_change(bc,BCHAN_RELEASE);
04203
04204 return;
04205 }
04206
04207
04208 int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len)
04209 {
04210 struct misdn_stack *stack=get_stack_by_bc(bc);
04211 char buf[4096 + mISDN_HEADER_LEN];
04212 iframe_t *frm = (iframe_t*)buf;
04213 int r;
04214
04215 switch (bc->bc_state) {
04216 case BCHAN_ACTIVATED:
04217 case BCHAN_BRIDGED:
04218 break;
04219 default:
04220 cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04221 return -1;
04222 }
04223
04224 frm->prim = DL_DATA|REQUEST;
04225 frm->dinfo = 0;
04226 frm->addr = bc->addr | FLG_MSG_DOWN ;
04227
04228 frm->len = len;
04229 memcpy(&buf[mISDN_HEADER_LEN], data,len);
04230
04231 if ( misdn_cap_is_speech(bc->capability) )
04232 flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04233 else
04234 cb_log(6, stack->port, "Writing %d data bytes\n",len);
04235
04236 cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04237 r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04238 return 0;
04239 }
04240
04241
04242
04243
04244
04245
04246 void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2)
04247 {
04248 unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04249 iframe_t *ctrl = (iframe_t *)buffer;
04250 unsigned int *d = (unsigned int*)&ctrl->data.p;
04251
04252
04253 cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04254
04255 ctrl->prim = PH_CONTROL | REQUEST;
04256 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04257 ctrl->dinfo = 0;
04258 ctrl->len = sizeof(unsigned int)*2;
04259 *d++ = c1;
04260 *d++ = c2;
04261 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04262 }
04263
04264
04265
04266
04267 void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
04268 {
04269 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04270 }
04271
04272 void isdn_lib_update_txgain (struct misdn_bchannel *bc)
04273 {
04274 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04275 }
04276
04277 void isdn_lib_update_ec (struct misdn_bchannel *bc)
04278 {
04279 #ifdef MISDN_1_2
04280 if (*bc->pipeline)
04281 #else
04282 if (bc->ec_enable)
04283 #endif
04284 manager_ec_enable(bc);
04285 else
04286 manager_ec_disable(bc);
04287 }
04288
04289 void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
04290 {
04291 manager_ph_control(bc, DTMF_TONE_STOP, 0);
04292 }
04293
04294
04295
04296
04297 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
04298 {
04299 unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04300 iframe_t *ctrl = (iframe_t *)buffer;
04301 unsigned int *d = (unsigned int *)&ctrl->data.p;
04302
04303
04304 ctrl->prim = PH_CONTROL | REQUEST;
04305 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04306 ctrl->dinfo = 0;
04307 ctrl->len = sizeof(unsigned int) + c2_len;
04308 *d++ = c1;
04309 memcpy(d, c2, c2_len);
04310 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04311 }
04312
04313
04314
04315
04316 void manager_clean_bc(struct misdn_bchannel *bc )
04317 {
04318 struct misdn_stack *stack=get_stack_by_bc(bc);
04319
04320 if (bc->channel>0)
04321 empty_chan_in_stack(stack, bc->channel);
04322 empty_bc(bc);
04323 bc->in_use=0;
04324
04325 cb_event(EVENT_CLEANUP, bc, NULL);
04326 }
04327
04328
04329 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder)
04330 {
04331 struct misdn_bchannel *help;
04332 cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04333
04334 holder->stack_holder=1;
04335
04336 if (!stack ) return ;
04337
04338 holder->next=NULL;
04339
04340 if (!stack->holding) {
04341 stack->holding = holder;
04342 return;
04343 }
04344
04345 for (help=stack->holding;
04346 help;
04347 help=help->next) {
04348 if (!help->next) {
04349 help->next=holder;
04350 break;
04351 }
04352 }
04353
04354 }
04355
04356 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder)
04357 {
04358 struct misdn_bchannel *h1;
04359
04360 if (!holder->stack_holder) return;
04361
04362 holder->stack_holder=0;
04363
04364 cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04365 if (!stack || ! stack->holding) return;
04366
04367 if (holder == stack->holding) {
04368 stack->holding = stack->holding->next;
04369 return;
04370 }
04371
04372 for (h1=stack->holding;
04373 h1;
04374 h1=h1->next) {
04375 if (h1->next == holder) {
04376 h1->next=h1->next->next;
04377 return ;
04378 }
04379 }
04380 }
04381
04382 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan)
04383 {
04384 struct misdn_bchannel *help;
04385
04386 cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04387
04388 if (!stack) return NULL;
04389
04390 for (help=stack->holding;
04391 help;
04392 help=help->next) {
04393 if (help->channel == chan) {
04394 cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04395 return help;
04396 }
04397 }
04398
04399 cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04400 return NULL;
04401
04402 }
04403
04404 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id)
04405 {
04406 struct misdn_bchannel *help;
04407
04408 cb_log(4,stack?stack->port:0, "*HOLDER: find %lx\n",l3id);
04409
04410 if (!stack) return NULL;
04411
04412 for (help=stack->holding;
04413 help;
04414 help=help->next) {
04415 if (help->l3_id == l3id) {
04416 cb_log(4,stack->port, "*HOLDER: found bc\n");
04417 return help;
04418 }
04419 }
04420
04421 cb_log(4,stack->port, "*HOLDER: find nothing\n");
04422 return NULL;
04423 }
04424
04425
04426
04427 void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone)
04428 {
04429 char buf[mISDN_HEADER_LEN + 128] = "";
04430 iframe_t *frm = (iframe_t*)buf;
04431
04432 switch(tone) {
04433 case TONE_DIAL:
04434 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04435 break;
04436
04437 case TONE_ALERTING:
04438 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04439 break;
04440
04441 case TONE_HANGUP:
04442 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04443 break;
04444
04445 case TONE_NONE:
04446 default:
04447 manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04448 }
04449
04450 frm->prim=DL_DATA|REQUEST;
04451 frm->addr=bc->addr|FLG_MSG_DOWN;
04452 frm->dinfo=0;
04453 frm->len=128;
04454
04455 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04456 }
04457
04458
04459 void manager_ec_enable(struct misdn_bchannel *bc)
04460 {
04461 struct misdn_stack *stack=get_stack_by_bc(bc);
04462
04463 cb_log(4, stack?stack->port:0,"ec_enable\n");
04464
04465 if (!misdn_cap_is_speech(bc->capability)) {
04466 cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04467 } else {
04468
04469 #ifdef MISDN_1_2
04470 if (*bc->pipeline) {
04471 cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04472 manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04473 }
04474 #else
04475 int ec_arr[2];
04476
04477 if (bc->ec_enable) {
04478 cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04479
04480 switch (bc->ec_deftaps) {
04481 case 4:
04482 case 8:
04483 case 16:
04484 case 32:
04485 case 64:
04486 case 128:
04487 case 256:
04488 case 512:
04489 case 1024:
04490 cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04491 break;
04492 default:
04493 cb_log(0, stack->port, "Taps should be power of 2\n");
04494 bc->ec_deftaps=128;
04495 }
04496
04497 ec_arr[0]=bc->ec_deftaps;
04498 ec_arr[1]=0;
04499
04500 manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr));
04501 }
04502 #endif
04503 }
04504 }
04505
04506
04507
04508 void manager_ec_disable(struct misdn_bchannel *bc)
04509 {
04510 struct misdn_stack *stack=get_stack_by_bc(bc);
04511
04512 cb_log(4, stack?stack->port:0," --> ec_disable\n");
04513
04514 if (!misdn_cap_is_speech(bc->capability)) {
04515 cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04516 return;
04517 }
04518
04519 #ifdef MISDN_1_2
04520 manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04521 #else
04522 if ( ! bc->ec_enable) {
04523 cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04524 manager_ph_control(bc, ECHOCAN_OFF, 0);
04525 }
04526 #endif
04527 }
04528
04529 struct misdn_stack* get_misdn_stack() {
04530 return glob_mgr->stack_list;
04531 }
04532
04533
04534
04535 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id)
04536 {
04537 char data[16] = "";
04538
04539 bc_state_change(bc,BCHAN_BRIDGED);
04540 manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04541 manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04542
04543 cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04544
04545 misdn_lib_tx2misdn_frm(bc, data, sizeof(data) - 1);
04546 }
04547
04548
04549 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id)
04550 {
04551 bc_state_change(bc,BCHAN_ACTIVATED);
04552 manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04553 manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04554
04555 cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04556 }
04557
04558 void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) {
04559 int conf_id = bc1->pid + 1;
04560 struct misdn_bchannel *bc_list[] = { bc1, bc2, NULL };
04561 struct misdn_bchannel **bc;
04562
04563 cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04564
04565 for (bc=bc_list; *bc; bc++) {
04566 (*bc)->conf_id=conf_id;
04567 cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04568
04569 switch((*bc)->bc_state) {
04570 case BCHAN_ACTIVATED:
04571 misdn_join_conf(*bc,conf_id);
04572 break;
04573 default:
04574 bc_next_state_change(*bc,BCHAN_BRIDGED);
04575 break;
04576 }
04577 }
04578 }
04579
04580 void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04581 {
04582
04583 struct misdn_bchannel *bc_list[]={
04584 bc1,bc2,NULL
04585 };
04586 struct misdn_bchannel **bc;
04587
04588 for (bc=bc_list; *bc; bc++) {
04589 if ( (*bc)->bc_state == BCHAN_BRIDGED){
04590 misdn_split_conf( *bc, (*bc)->conf_id);
04591 } else {
04592 cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04593 }
04594 }
04595
04596 }
04597
04598
04599
04600 void misdn_lib_echo(struct misdn_bchannel *bc, int onoff)
04601 {
04602 cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04603 manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04604 }
04605
04606
04607
04608 void misdn_lib_reinit_nt_stack(int port)
04609 {
04610 struct misdn_stack *stack=find_stack_by_port(port);
04611
04612 if (stack) {
04613 stack->l2link=0;
04614 stack->blocked=0;
04615
04616 cleanup_Isdnl3(&stack->nst);
04617 cleanup_Isdnl2(&stack->nst);
04618
04619
04620 memset(&stack->nst, 0, sizeof(net_stack_t));
04621 memset(&stack->mgr, 0, sizeof(manager_t));
04622
04623 stack->mgr.nst = &stack->nst;
04624 stack->nst.manager = &stack->mgr;
04625
04626 stack->nst.l3_manager = handle_event_nt;
04627 stack->nst.device = glob_mgr->midev;
04628 stack->nst.cardnr = port;
04629 stack->nst.d_stid = stack->d_stid;
04630
04631 stack->nst.feature = FEATURE_NET_HOLD;
04632 if (stack->ptp)
04633 stack->nst.feature |= FEATURE_NET_PTP;
04634 if (stack->pri)
04635 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04636
04637 stack->nst.l1_id = stack->lower_id;
04638 stack->nst.l2_id = stack->upper_id;
04639
04640 msg_queue_init(&stack->nst.down_queue);
04641
04642 Isdnl2Init(&stack->nst);
04643 Isdnl3Init(&stack->nst);
04644
04645 if (!stack->ptp)
04646 misdn_lib_get_l1_up(stack);
04647 misdn_lib_get_l2_up(stack);
04648 }
04649 }
04650
04651