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00015 #include <syslog.h>
00016 #include <mISDNuser/isdn_debug.h>
00017
00018 #include "isdn_lib_intern.h"
00019 #include "isdn_lib.h"
00020
00021 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id);
00022 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id);
00023
00024 int queue_cleanup_bc(struct misdn_bchannel *bc) ;
00025
00026 int misdn_lib_get_l2_up(struct misdn_stack *stack);
00027
00028 struct misdn_stack* get_misdn_stack( void );
00029
00030 int misdn_lib_port_is_pri(int port)
00031 {
00032 struct misdn_stack *stack=get_misdn_stack();
00033 for ( ; stack; stack=stack->next) {
00034 if (stack->port == port) {
00035 return stack->pri;
00036 }
00037 }
00038
00039 return -1;
00040 }
00041
00042
00043 int misdn_lib_port_block(int port)
00044 {
00045 struct misdn_stack *stack=get_misdn_stack();
00046 for ( ; stack; stack=stack->next) {
00047 if (stack->port == port) {
00048 stack->blocked=1;
00049 return 0;
00050 }
00051 }
00052 return -1;
00053
00054 }
00055
00056 int misdn_lib_port_unblock(int port)
00057 {
00058 struct misdn_stack *stack=get_misdn_stack();
00059 for ( ; stack; stack=stack->next) {
00060 if (stack->port == port) {
00061 stack->blocked=0;
00062 return 0;
00063 }
00064 }
00065 return -1;
00066
00067 }
00068
00069 int misdn_lib_is_port_blocked(int port)
00070 {
00071 struct misdn_stack *stack=get_misdn_stack();
00072 for ( ; stack; stack=stack->next) {
00073 if (stack->port == port) {
00074 return stack->blocked;
00075 }
00076 }
00077 return -1;
00078 }
00079
00080 int misdn_lib_is_ptp(int port)
00081 {
00082 struct misdn_stack *stack=get_misdn_stack();
00083 for ( ; stack; stack=stack->next) {
00084 if (stack->port == port) return stack->ptp;
00085 }
00086 return -1;
00087 }
00088
00089 int misdn_lib_get_maxchans(int port)
00090 {
00091 struct misdn_stack *stack=get_misdn_stack();
00092 for ( ; stack; stack=stack->next) {
00093 if (stack->port == port) {
00094 if (stack->pri)
00095 return 30;
00096 else
00097 return 2;
00098 }
00099 }
00100 return -1;
00101 }
00102
00103
00104 struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc)
00105 {
00106 struct misdn_stack *stack=get_misdn_stack();
00107
00108 if (!bc) return NULL;
00109
00110 for ( ; stack; stack=stack->next) {
00111 int i;
00112 for (i=0; i <=stack->b_num; i++) {
00113 if ( bc->port == stack->port) return stack;
00114 }
00115 }
00116
00117 return NULL;
00118 }
00119
00120
00121 void get_show_stack_details(int port, char *buf)
00122 {
00123 struct misdn_stack *stack=get_misdn_stack();
00124
00125 for ( ; stack; stack=stack->next) {
00126 if (stack->port == port) break;
00127 }
00128
00129 if (stack) {
00130 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);
00131
00132 } else {
00133 buf[0]=0;
00134 }
00135
00136 }
00137
00138
00139 static int nt_err_cnt =0 ;
00140
00141 enum global_states {
00142 MISDN_INITIALIZING,
00143 MISDN_INITIALIZED
00144 } ;
00145
00146 static enum global_states global_state=MISDN_INITIALIZING;
00147
00148
00149 #include <mISDNuser/net_l2.h>
00150 #include <mISDNuser/tone.h>
00151 #include <unistd.h>
00152 #include <semaphore.h>
00153 #include <pthread.h>
00154 #include <signal.h>
00155
00156 #include "isdn_lib.h"
00157
00158
00159 struct misdn_lib {
00160 int midev;
00161 int midev_nt;
00162
00163 pthread_t event_thread;
00164 pthread_t event_handler_thread;
00165
00166 void *user_data;
00167
00168 msg_queue_t upqueue;
00169 msg_queue_t activatequeue;
00170
00171 sem_t new_msg;
00172
00173 struct misdn_stack *stack_list;
00174 } ;
00175
00176 #ifndef ECHOCAN_ON
00177 #define ECHOCAN_ON 123
00178 #define ECHOCAN_OFF 124
00179 #endif
00180
00181 #define MISDN_DEBUG 0
00182
00183 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
00184
00185 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
00186
00187 struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
00188
00189 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan);
00190
00191 int setup_bc(struct misdn_bchannel *bc);
00192
00193 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
00194
00195 int misdn_lib_port_restart(int port);
00196 int misdn_lib_pid_restart(int pid);
00197
00198 extern struct isdn_msg msgs_g[];
00199
00200 #define ISDN_PID_L3_B_USER 0x430000ff
00201 #define ISDN_PID_L4_B_USER 0x440000ff
00202
00203
00204 #define MISDN_IBUF_SIZE 512
00205
00206
00207 #define TONE_ALERT_CNT 41
00208 #define TONE_ALERT_SILENCE_CNT 200
00209
00210 #define TONE_BUSY_CNT 20
00211 #define TONE_BUSY_SILENCE_CNT 48
00212
00213 static int entity;
00214
00215 static struct misdn_lib *glob_mgr;
00216
00217 char tone_425_flip[TONE_425_SIZE];
00218 char tone_silence_flip[TONE_SILENCE_SIZE];
00219
00220 static void misdn_lib_isdn_event_catcher(void *arg);
00221 static int handle_event_nt(void *dat, void *arg);
00222
00223
00224 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder);
00225 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder);
00226 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id);
00227
00228
00229 int init_bc(struct misdn_stack * stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime);
00230 struct misdn_stack* stack_init(int midev, int port, int ptp);
00231 void stack_destroy(struct misdn_stack* stack);
00232
00233 int te_lib_init( void ) ;
00234 void te_lib_destroy(int midev) ;
00235 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
00236 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc);
00237 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
00238 void manager_clean_bc(struct misdn_bchannel *bc );
00239 void manager_bchannel_setup (struct misdn_bchannel *bc);
00240 void manager_bchannel_cleanup (struct misdn_bchannel *bc);
00241
00242 void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size);
00243
00244 int bchdev_echocancel_activate(struct misdn_bchannel* dev);
00245 void bchdev_echocancel_deactivate(struct misdn_bchannel* dev);
00246
00247
00248
00249 static char *bearer2str(int cap) {
00250 static char *bearers[]={
00251 "Speech",
00252 "Audio 3.1k",
00253 "Unres Digital",
00254 "Res Digital",
00255 "Unknown Bearer"
00256 };
00257
00258 switch (cap) {
00259 case INFO_CAPABILITY_SPEECH:
00260 return bearers[0];
00261 break;
00262 case INFO_CAPABILITY_AUDIO_3_1K:
00263 return bearers[1];
00264 break;
00265 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00266 return bearers[2];
00267 break;
00268 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00269 return bearers[3];
00270 break;
00271 default:
00272 return bearers[4];
00273 break;
00274 }
00275 }
00276
00277
00278 static char flip_table[256];
00279
00280 static void init_flip_bits(void)
00281 {
00282 int i,k;
00283
00284 for (i = 0 ; i < 256 ; i++) {
00285 unsigned char sample = 0 ;
00286 for (k = 0; k<8; k++) {
00287 if ( i & 1 << k ) sample |= 0x80 >> k;
00288 }
00289 flip_table[i] = sample;
00290 }
00291 }
00292
00293 static char * flip_buf_bits ( char * buf , int len)
00294 {
00295 int i;
00296 char * start = buf;
00297
00298 for (i = 0 ; i < len; i++) {
00299 buf[i] = flip_table[(unsigned char)buf[i]];
00300 }
00301
00302 return start;
00303 }
00304
00305
00306
00307
00308 static msg_t *create_l2msg(int prim, int dinfo, int size)
00309 {
00310 int i = 0;
00311 msg_t *dmsg;
00312
00313 while(i < 10)
00314 {
00315 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00316 if (dmsg)
00317 return(dmsg);
00318
00319 if (!i)
00320 printf("cannot allocate memory, trying again...\n");
00321 i++;
00322 usleep(300000);
00323 }
00324 printf("cannot allocate memory, system overloaded.\n");
00325 exit(-1);
00326 }
00327
00328
00329
00330 msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode)
00331 {
00332 int i = 0;
00333 msg_t *dmsg;
00334 Q931_info_t *qi;
00335 iframe_t *frm;
00336
00337 if (!ntmode)
00338 size = sizeof(Q931_info_t)+2;
00339
00340 while(i < 10) {
00341 if (ntmode) {
00342 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00343 if (dmsg) {
00344 return(dmsg);
00345 }
00346 } else {
00347 dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00348 if (dmsg)
00349 {
00350 memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00351 frm = (iframe_t *)dmsg->data;
00352 frm->prim = prim;
00353 frm->dinfo = dinfo;
00354 qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00355 qi->type = mt;
00356 return(dmsg);
00357 }
00358 }
00359
00360 if (!i) printf("cannot allocate memory, trying again...\n");
00361 i++;
00362 usleep(300000);
00363 }
00364 printf("cannot allocate memory, system overloaded.\n");
00365 exit(-1);
00366 }
00367
00368
00369 static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
00370 {
00371 iframe_t *frm;
00372 frm = (iframe_t *)dmsg->data;
00373 struct misdn_stack *stack=get_stack_by_bc(bc);
00374
00375 if (!stack) {
00376 cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00377 return -1;
00378 }
00379
00380 frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00381 frm->dinfo = bc->l3_id;
00382 frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00383
00384 cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00385
00386 mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00387 free_msg(dmsg);
00388
00389 return 0;
00390 }
00391
00392
00393 static int mypid=1;
00394
00395
00396 int misdn_cap_is_speech(int cap)
00397
00398 {
00399 if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00400 (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00401 return 0;
00402 }
00403
00404 int misdn_inband_avail(struct misdn_bchannel *bc)
00405 {
00406
00407
00408 if ( ! bc->early_bconnect ) return 0;
00409
00410 switch (bc->progress_indicator) {
00411 case INFO_PI_INBAND_AVAILABLE:
00412 case INFO_PI_CALL_NOT_E2E_ISDN:
00413 case INFO_PI_CALLED_NOT_ISDN:
00414 return 1;
00415 default:
00416 return 0;
00417 }
00418 return 0;
00419 }
00420
00421
00422 static void dump_chan_list(struct misdn_stack *stack)
00423 {
00424 int i;
00425
00426 for (i=0; i <= stack->b_num; i++) {
00427 cb_log(6, stack->port, "Idx:%d stack->cchan:%d Chan:%d\n",i,stack->channels[i], i+1);
00428 }
00429 }
00430
00431
00432
00433
00434 static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
00435 {
00436 int i;
00437
00438 cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00439
00440 if (channel < 0 || channel > MAX_BCHANS) {
00441 cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00442 return 0;
00443 }
00444
00445 channel--;
00446
00447 int bnums=stack->pri?stack->b_num:stack->b_num-1;
00448
00449 if (dec) {
00450 for (i = bnums; i >=0; i--) {
00451 if (i != 15 && (channel < 0 || i == channel)) {
00452 if (!stack->channels[i]) {
00453 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00454 bc->channel=i+1;
00455 return i+1;
00456 }
00457 }
00458 }
00459 } else {
00460 for (i = 0; i <= bnums; i++) {
00461 if (i != 15 && (channel < 0 || i == channel)) {
00462 if (!stack->channels[i]) {
00463 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00464 bc->channel=i+1;
00465 return i+1;
00466 }
00467 }
00468 }
00469 }
00470
00471 cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00472 dump_chan_list(stack);
00473
00474 return 0;
00475 }
00476
00477 static int empty_chan_in_stack(struct misdn_stack *stack, int channel)
00478 {
00479 if (channel<=0 || channel>MAX_BCHANS) {
00480 cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00481 return -1;
00482 }
00483
00484 cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel);
00485 stack->channels[channel-1] = 0;
00486 dump_chan_list(stack);
00487 return 0;
00488 }
00489
00490 char *bc_state2str(enum bchannel_state state) {
00491 int i;
00492
00493 struct bchan_state_s {
00494 char *n;
00495 enum bchannel_state s;
00496 } states[] = {
00497 {"BCHAN_CLEANED", BCHAN_CLEANED },
00498 {"BCHAN_EMPTY", BCHAN_EMPTY},
00499 {"BCHAN_SETUP", BCHAN_SETUP},
00500 {"BCHAN_SETUPED", BCHAN_SETUPED},
00501 {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00502 {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00503 {"BCHAN_BRIDGE", BCHAN_BRIDGE},
00504 {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00505 {"BCHAN_RELEASE", BCHAN_RELEASE},
00506 {"BCHAN_RELEASED", BCHAN_RELEASED},
00507 {"BCHAN_CLEAN", BCHAN_CLEAN},
00508 {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00509 {"BCHAN_ERROR", BCHAN_ERROR}
00510 };
00511
00512 for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00513 if ( states[i].s == state)
00514 return states[i].n;
00515
00516 return "UNKNOWN";
00517 }
00518
00519 void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00520 {
00521 cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00522 bc->l3_id,
00523 bc_state2str(bc->bc_state),
00524 bc_state2str(state) );
00525
00526 switch (state) {
00527 case BCHAN_ACTIVATED:
00528 if (bc->next_bc_state == BCHAN_BRIDGED) {
00529 misdn_join_conf(bc, bc->conf_id);
00530 bc->next_bc_state = BCHAN_EMPTY;
00531 return;
00532 }
00533 default:
00534 bc->bc_state=state;
00535 break;
00536 }
00537 }
00538
00539 static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00540 {
00541 cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00542 bc_state2str(bc->next_bc_state),
00543 bc_state2str(state) );
00544
00545 bc->next_bc_state=state;
00546 }
00547
00548
00549 static void empty_bc(struct misdn_bchannel *bc)
00550 {
00551 bc->bframe_len=0;
00552
00553
00554 bc->in_use= 0;
00555 bc->cw= 0;
00556
00557 bc->dec=0;
00558 bc->channel = 0;
00559
00560 bc->sending_complete = 0;
00561
00562 bc->restart_channel=0;
00563
00564 bc->conf_id = 0;
00565
00566 bc->need_more_infos = 0;
00567
00568 bc->send_dtmf=0;
00569 bc->nodsp=0;
00570 bc->nojitter=0;
00571
00572 bc->time_usec=0;
00573
00574 bc->rxgain=0;
00575 bc->txgain=0;
00576
00577 bc->crypt=0;
00578 bc->curptx=0; bc->curprx=0;
00579
00580 bc->crypt_key[0] = 0;
00581
00582 bc->generate_tone=0;
00583 bc->tone_cnt=0;
00584
00585 bc->dnumplan=NUMPLAN_UNKNOWN;
00586 bc->onumplan=NUMPLAN_UNKNOWN;
00587 bc->rnumplan=NUMPLAN_UNKNOWN;
00588 bc->cpnnumplan=NUMPLAN_UNKNOWN;
00589
00590
00591 bc->active = 0;
00592
00593 bc->early_bconnect = 1;
00594
00595 #ifdef MISDN_1_2
00596 *bc->pipeline = 0;
00597 #else
00598 bc->ec_enable = 0;
00599 bc->ec_deftaps = 128;
00600 #endif
00601
00602 bc->orig=0;
00603
00604 bc->cause=16;
00605 bc->out_cause=16;
00606 bc->pres=0 ;
00607
00608 bc->evq=EVENT_NOTHING;
00609
00610 bc->progress_coding=0;
00611 bc->progress_location=0;
00612 bc->progress_indicator=0;
00613
00614
00615 bc->capability=INFO_CAPABILITY_SPEECH;
00616 bc->law=INFO_CODEC_ALAW;
00617 bc->mode=0;
00618 bc->rate=0x10;
00619 bc->user1=0;
00620 bc->urate=0;
00621
00622 bc->hdlc=0;
00623
00624
00625 bc->info_dad[0] = 0;
00626 bc->display[0] = 0;
00627 bc->infos_pending[0] = 0;
00628 bc->cad[0] = 0;
00629 bc->oad[0] = 0;
00630 bc->dad[0] = 0;
00631 bc->rad[0] = 0;
00632 bc->orig_dad[0] = 0;
00633 bc->uu[0]=0;
00634 bc->uulen=0;
00635
00636 bc->fac_in.Function = Fac_None;
00637 bc->fac_out.Function = Fac_None;
00638
00639 bc->te_choose_channel = 0;
00640 }
00641
00642
00643 static int clean_up_bc(struct misdn_bchannel *bc)
00644 {
00645 int ret=0;
00646 unsigned char buff[32];
00647 struct misdn_stack * stack;
00648
00649 cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00650
00651 if (!bc ) return -1;
00652 stack=get_stack_by_bc(bc);
00653
00654 if (!stack) return -1;
00655
00656 switch (bc->bc_state ) {
00657 case BCHAN_CLEANED:
00658 cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00659 return -1;
00660
00661 default:
00662 break;
00663 }
00664
00665 cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00666
00667 manager_ec_disable(bc);
00668
00669 manager_bchannel_deactivate(bc);
00670
00671 mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00672
00673 bc->b_stid = 0;
00674 bc_state_change(bc, BCHAN_CLEANED);
00675
00676 return ret;
00677 }
00678
00679
00680
00681 static void clear_l3(struct misdn_stack *stack)
00682 {
00683 int i;
00684
00685 for (i=0; i<=stack->b_num; i++) {
00686 if (global_state == MISDN_INITIALIZED) {
00687 cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00688 empty_chan_in_stack(stack,i+1);
00689 empty_bc(&stack->bc[i]);
00690 clean_up_bc(&stack->bc[i]);
00691 }
00692
00693 }
00694 }
00695
00696 static int set_chan_in_stack(struct misdn_stack *stack, int channel)
00697 {
00698
00699 cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00700 dump_chan_list(stack);
00701 if (channel >=1 && channel <= MAX_BCHANS) {
00702 if (!stack->channels[channel-1])
00703 stack->channels[channel-1] = 1;
00704 else {
00705 cb_log(4,stack->port,"channel already in use:%d\n", channel );
00706 return -1;
00707 }
00708 } else {
00709 cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00710 return -1;
00711 }
00712
00713 return 0;
00714 }
00715
00716 #if 0
00717 static int chan_in_stack_free(struct misdn_stack *stack, int channel)
00718 {
00719 if (stack->channels[channel-1])
00720 return 0;
00721
00722 return 1;
00723 }
00724 #endif
00725
00726
00727 static int newteid=0;
00728
00729 #define MAXPROCS 0x100
00730
00731 static int misdn_lib_get_l1_down(struct misdn_stack *stack)
00732 {
00733
00734 iframe_t act;
00735 act.prim = PH_DEACTIVATE | REQUEST;
00736 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00737
00738
00739 act.dinfo = 0;
00740 act.len = 0;
00741
00742 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00743
00744
00745 }
00746
00747
00748 static int misdn_lib_get_l2_down(struct misdn_stack *stack)
00749 {
00750
00751 if (stack->ptp && (stack->nt) ) {
00752 msg_t *dmsg;
00753
00754 dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00755
00756 if (stack->nst.manager_l3(&stack->nst, dmsg))
00757 free_msg(dmsg);
00758
00759 } else {
00760 iframe_t act;
00761
00762 act.prim = DL_RELEASE| REQUEST;
00763 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00764
00765 act.dinfo = 0;
00766 act.len = 0;
00767 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00768 }
00769
00770 return 0;
00771 }
00772
00773
00774 static int misdn_lib_get_l1_up(struct misdn_stack *stack)
00775 {
00776
00777 iframe_t act;
00778 act.prim = PH_ACTIVATE | REQUEST;
00779 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00780
00781
00782 act.dinfo = 0;
00783 act.len = 0;
00784
00785 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00786
00787 }
00788
00789 int misdn_lib_get_l2_up(struct misdn_stack *stack)
00790 {
00791
00792 if (stack->ptp && (stack->nt) ) {
00793 msg_t *dmsg;
00794
00795 dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00796
00797 if (stack->nst.manager_l3(&stack->nst, dmsg))
00798 free_msg(dmsg);
00799
00800 } else {
00801 iframe_t act;
00802
00803 act.prim = DL_ESTABLISH | REQUEST;
00804 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00805
00806 act.dinfo = 0;
00807 act.len = 0;
00808 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00809 }
00810
00811 return 0;
00812 }
00813
00814 #if 0
00815 static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack)
00816 {
00817 iframe_t act;
00818
00819 act.prim = DL_ESTABLISH | REQUEST;
00820 act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
00821
00822 act.dinfo = 0;
00823 act.len = 0;
00824 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00825 return 0;
00826 }
00827 #endif
00828
00829 static int misdn_lib_get_short_status(struct misdn_stack *stack)
00830 {
00831 iframe_t act;
00832
00833
00834 act.prim = MGR_SHORTSTATUS | REQUEST;
00835
00836 act.addr = (stack->upper_id | MSG_BROADCAST) ;
00837
00838 act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00839
00840 act.len = 0;
00841 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00842 }
00843
00844
00845
00846 static int create_process (int midev, struct misdn_bchannel *bc) {
00847 iframe_t ncr;
00848 int l3_id;
00849 int i;
00850 struct misdn_stack *stack=get_stack_by_bc(bc);
00851
00852 if (stack->nt) {
00853 if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00854 return -1;
00855
00856
00857 if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00858
00859 cb_log(4,stack->port, " --> found channel: %d\n", bc->channel);
00860
00861 for (i=0; i <= MAXPROCS; i++)
00862 if (stack->procids[i]==0) break;
00863
00864 if (i== MAXPROCS) {
00865 cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00866 return -1;
00867 }
00868 stack->procids[i]=1;
00869
00870 l3_id = 0xff00 | i;
00871
00872 ncr.prim = CC_NEW_CR | REQUEST;
00873
00874 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00875
00876 ncr.dinfo = l3_id;
00877 ncr.len = 0;
00878
00879 bc->l3_id = l3_id;
00880 cb_log(3, stack->port, " --> new_l3id %x\n",l3_id);
00881
00882 } else {
00883 if (stack->ptp || bc->te_choose_channel) {
00884
00885 if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00886 return -1;
00887
00888 cb_log(2,stack->port, " --> found channel: %d\n", bc->channel);
00889
00890 if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00891 } else {
00892
00893 bc->channel=0xff;
00894 }
00895
00896
00897
00898 if (newteid++ > 0xffff)
00899 newteid = 0x0001;
00900
00901 l3_id = (entity<<16) | newteid;
00902
00903 ncr.prim = CC_NEW_CR | REQUEST;
00904
00905 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00906
00907 ncr.dinfo =l3_id;
00908 ncr.len = 0;
00909
00910
00911 bc->l3_id = l3_id;
00912 cb_log(3, stack->port, "--> new_l3id %x\n",l3_id);
00913
00914 mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC);
00915 }
00916
00917 return l3_id;
00918 }
00919
00920
00921 void misdn_lib_setup_bc(struct misdn_bchannel *bc)
00922 {
00923 clean_up_bc(bc);
00924 setup_bc(bc);
00925 }
00926
00927
00928 int setup_bc(struct misdn_bchannel *bc)
00929 {
00930 unsigned char buff[1025];
00931
00932 mISDN_pid_t pid;
00933 int ret;
00934
00935
00936 struct misdn_stack *stack=get_stack_by_bc(bc);
00937
00938 if (!stack) {
00939 cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00940 return -1;
00941 }
00942
00943 int midev=stack->midev;
00944 int channel=bc->channel-1-(bc->channel>16);
00945 int b_stid=stack->b_stids[channel>=0?channel:0];
00946
00947
00948 switch (bc->bc_state) {
00949 case BCHAN_CLEANED:
00950 break;
00951 default:
00952 cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00953 return -1;
00954 }
00955
00956 cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00957
00958 if (b_stid <= 0) {
00959 cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00960
00961 bc_state_change(bc,BCHAN_ERROR);
00962 return 1;
00963 }
00964
00965
00966 bc->b_stid = b_stid;
00967
00968 {
00969 layer_info_t li;
00970 memset(&li, 0, sizeof(li));
00971
00972 li.object_id = -1;
00973 li.extentions = 0;
00974
00975 li.st = bc->b_stid;
00976
00977
00978 #define MISDN_DSP
00979 #ifndef MISDN_DSP
00980 bc->nodsp=1;
00981 #endif
00982 if ( bc->hdlc || bc->nodsp) {
00983 cb_log(4, stack->port,"setup_bc: without dsp\n");
00984 {
00985 int l = sizeof(li.name);
00986 strncpy(li.name, "B L3", l);
00987 li.name[l-1] = 0;
00988 }
00989 li.pid.layermask = ISDN_LAYER((3));
00990 li.pid.protocol[3] = ISDN_PID_L3_B_USER;
00991
00992 bc->layer=3;
00993 } else {
00994 cb_log(4, stack->port,"setup_bc: with dsp\n");
00995 {
00996 int l = sizeof(li.name);
00997 strncpy(li.name, "B L4", l);
00998 li.name[l-1] = 0;
00999 }
01000 li.pid.layermask = ISDN_LAYER((4));
01001 li.pid.protocol[4] = ISDN_PID_L4_B_USER
01002 ;
01003 bc->layer=4;
01004
01005 }
01006
01007 ret = mISDN_new_layer(midev, &li);
01008 if (ret ) {
01009 cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01010
01011 bc_state_change(bc,BCHAN_ERROR);
01012 return(-EINVAL);
01013 }
01014
01015 bc->layer_id = li.id;
01016 }
01017
01018 memset(&pid, 0, sizeof(pid));
01019
01020
01021
01022 cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01023
01024 if (bc->nodsp) {
01025 cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01026 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01027 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01028 pid.protocol[3] = ISDN_PID_L3_B_USER;
01029 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01030
01031 } else if ( bc->hdlc ) {
01032 cb_log(2, stack->port," --> HDLC Mode\n");
01033 pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01034 pid.protocol[2] = ISDN_PID_L2_B_TRANS ;
01035 pid.protocol[3] = ISDN_PID_L3_B_USER;
01036 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01037 } else {
01038 cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01039 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01040 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01041 pid.protocol[3] = ISDN_PID_L3_B_DSP;
01042 pid.protocol[4] = ISDN_PID_L4_B_USER;
01043 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01044
01045 }
01046
01047 ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01048
01049 if (ret){
01050 cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01051
01052 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01053
01054 bc_state_change(bc,BCHAN_ERROR);
01055 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01056 return(-EINVAL);
01057 }
01058
01059 ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01060
01061 if (ret) {
01062 cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01063 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01064
01065 bc_state_change(bc,BCHAN_ERROR);
01066 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01067 return(-EINVAL);
01068 }
01069
01070 ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01071
01072 bc->addr = ret>0? ret : 0;
01073
01074 if (!bc->addr) {
01075 cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01076 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01077
01078 bc_state_change(bc,BCHAN_ERROR);
01079 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01080 return (-EINVAL);
01081 }
01082
01083 manager_bchannel_activate(bc);
01084
01085 bc_state_change(bc,BCHAN_ACTIVATED);
01086
01087 return 0;
01088 }
01089
01090
01091
01092
01093 int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime)
01094 {
01095 unsigned char buff[1025];
01096 iframe_t *frm = (iframe_t *)buff;
01097 int ret;
01098
01099 if (!bc) return -1;
01100
01101 cb_log(8, port, "Init.BC %d.\n",bidx);
01102
01103 memset(bc, 0,sizeof(struct misdn_bchannel));
01104
01105 bc->send_lock=malloc(sizeof(struct send_lock));
01106
01107 pthread_mutex_init(&bc->send_lock->lock, NULL);
01108
01109 if (msn) {
01110 int l = sizeof(bc->msn);
01111 strncpy(bc->msn,msn, l);
01112 bc->msn[l-1] = 0;
01113 }
01114
01115
01116 empty_bc(bc);
01117 bc_state_change(bc, BCHAN_CLEANED);
01118
01119 bc->port=stack->port;
01120 bc->nt=stack->nt?1:0;
01121
01122 {
01123 ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01124
01125 if (!ibuf) return -1;
01126
01127 clear_ibuffer( ibuf);
01128
01129 ibuf->rsem=malloc(sizeof(sem_t));
01130
01131 bc->astbuf=ibuf;
01132
01133 if (sem_init(ibuf->rsem,1,0)<0)
01134 sem_init(ibuf->rsem,0,0);
01135
01136 }
01137
01138
01139
01140
01141 {
01142 stack_info_t *stinf;
01143 ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01144 if (ret < 0) {
01145 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01146 return -1;
01147 }
01148
01149 stinf = (stack_info_t *)&frm->data.p;
01150
01151 cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01152 }
01153
01154 return 0;
01155 }
01156
01157
01158
01159 struct misdn_stack* stack_init( int midev, int port, int ptp )
01160 {
01161 int ret;
01162 unsigned char buff[1025];
01163 iframe_t *frm = (iframe_t *)buff;
01164 stack_info_t *stinf;
01165 int i;
01166 layer_info_t li;
01167
01168 struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01169 if (!stack ) return NULL;
01170
01171
01172 cb_log(8, port, "Init. Stack.\n");
01173
01174 memset(stack,0,sizeof(struct misdn_stack));
01175
01176 for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01177
01178 stack->port=port;
01179 stack->midev=midev;
01180 stack->ptp=ptp;
01181
01182 stack->holding=NULL;
01183 stack->pri=0;
01184
01185 msg_queue_init(&stack->downqueue);
01186 msg_queue_init(&stack->upqueue);
01187
01188
01189 ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01190 if (ret < 0) {
01191 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01192 return(NULL);
01193 }
01194
01195 stinf = (stack_info_t *)&frm->data.p;
01196
01197 stack->d_stid = stinf->id;
01198 stack->b_num = stinf->childcnt;
01199
01200 for (i=0; i<=stinf->childcnt; i++)
01201 stack->b_stids[i] = stinf->child[i];
01202
01203 switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01204 case ISDN_PID_L0_TE_S0:
01205 stack->nt=0;
01206 break;
01207 case ISDN_PID_L0_NT_S0:
01208 cb_log(8, port, "NT Stack\n");
01209
01210 stack->nt=1;
01211 break;
01212
01213 #ifndef MISDN_1_2
01214 case ISDN_PID_L0_TE_U:
01215 break;
01216 case ISDN_PID_L0_NT_U:
01217 break;
01218 case ISDN_PID_L0_TE_UP2:
01219 break;
01220 case ISDN_PID_L0_NT_UP2:
01221 break;
01222 #endif
01223 case ISDN_PID_L0_TE_E1:
01224 cb_log(8, port, "TE S2M Stack\n");
01225 stack->nt=0;
01226 stack->pri=1;
01227 break;
01228 case ISDN_PID_L0_NT_E1:
01229 cb_log(8, port, "TE S2M Stack\n");
01230 stack->nt=1;
01231 stack->pri=1;
01232
01233 break;
01234 default:
01235 cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01236
01237 }
01238
01239 if (!stack->nt) {
01240 if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01241 stack->ptp = 1;
01242 } else {
01243 stack->ptp = 0;
01244 }
01245 }
01246
01247 {
01248 int ret;
01249 int nt=stack->nt;
01250
01251 cb_log(8, port, "Init. Stack.\n");
01252
01253 memset(&li, 0, sizeof(li));
01254 {
01255 int l = sizeof(li.name);
01256 strncpy(li.name,nt?"net l2":"user l4", l);
01257 li.name[l-1] = 0;
01258 }
01259 li.object_id = -1;
01260 li.extentions = 0;
01261 li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01262 li.pid.layermask = ISDN_LAYER((nt?2:4));
01263 li.st = stack->d_stid;
01264
01265
01266 ret = mISDN_new_layer(midev, &li);
01267 if (ret) {
01268 cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01269 return(NULL);
01270 }
01271
01272
01273 stack->upper_id = li.id;
01274 ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01275 if (ret)
01276 {
01277 cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01278 return(NULL);
01279 }
01280
01281 stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01282 if (stack->lower_id < 0) {
01283 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01284 return(NULL);
01285 }
01286
01287 stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01288 if (stack->upper_id < 0) {
01289 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01290 return(NULL);
01291 }
01292
01293 cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01294
01295
01296
01297 if (nt) {
01298
01299 memset(&stack->nst, 0, sizeof(net_stack_t));
01300 memset(&stack->mgr, 0, sizeof(manager_t));
01301
01302 stack->mgr.nst = &stack->nst;
01303 stack->nst.manager = &stack->mgr;
01304
01305 stack->nst.l3_manager = handle_event_nt;
01306 stack->nst.device = midev;
01307 stack->nst.cardnr = port;
01308 stack->nst.d_stid = stack->d_stid;
01309
01310 stack->nst.feature = FEATURE_NET_HOLD;
01311 if (stack->ptp)
01312 stack->nst.feature |= FEATURE_NET_PTP;
01313 if (stack->pri)
01314 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01315
01316 stack->nst.l1_id = stack->lower_id;
01317 stack->nst.l2_id = stack->upper_id;
01318
01319 msg_queue_init(&stack->nst.down_queue);
01320
01321 Isdnl2Init(&stack->nst);
01322 Isdnl3Init(&stack->nst);
01323
01324 }
01325
01326 if (!stack->nt) {
01327
01328
01329 stack->l1link=0;
01330 }
01331 stack->l1link=0;
01332 stack->l2link=0;
01333 #if 0
01334 if (!stack->nt) {
01335 misdn_lib_get_short_status(stack);
01336 } else {
01337 misdn_lib_get_l1_up(stack);
01338 if (!stack->ptp) misdn_lib_get_l1_up(stack);
01339 misdn_lib_get_l2_up(stack);
01340 }
01341 #endif
01342
01343 misdn_lib_get_short_status(stack);
01344 misdn_lib_get_l1_up(stack);
01345 misdn_lib_get_l2_up(stack);
01346
01347 }
01348
01349 cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01350
01351 return stack;
01352 }
01353
01354
01355 void stack_destroy(struct misdn_stack* stack)
01356 {
01357 char buf[1024];
01358 if (!stack) return;
01359
01360 if (stack->nt) {
01361 cleanup_Isdnl2(&stack->nst);
01362 cleanup_Isdnl3(&stack->nst);
01363 }
01364
01365 if (stack->lower_id)
01366 mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01367
01368 if (stack->upper_id)
01369 mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01370 }
01371
01372
01373 static struct misdn_stack * find_stack_by_addr(int addr)
01374 {
01375 struct misdn_stack *stack;
01376
01377 for (stack=glob_mgr->stack_list;
01378 stack;
01379 stack=stack->next) {
01380 if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01381
01382 }
01383
01384 return NULL;
01385 }
01386
01387
01388 static struct misdn_stack * find_stack_by_port(int port)
01389 {
01390 struct misdn_stack *stack;
01391
01392 for (stack=glob_mgr->stack_list;
01393 stack;
01394 stack=stack->next)
01395 if (stack->port == port) return stack;
01396
01397 return NULL;
01398 }
01399
01400 static struct misdn_stack * find_stack_by_mgr(manager_t* mgr_nt)
01401 {
01402 struct misdn_stack *stack;
01403
01404 for (stack=glob_mgr->stack_list;
01405 stack;
01406 stack=stack->next)
01407 if ( &stack->mgr == mgr_nt) return stack;
01408
01409 return NULL;
01410 }
01411
01412 static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
01413 {
01414 int i;
01415 for (i=0; i<=stack->b_num; i++) {
01416 if ( (stack->bc[i].l3_id & mask) == (l3id & mask)) return &stack->bc[i] ;
01417 }
01418 return stack_holder_find(stack,l3id);
01419 }
01420
01421
01422 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id)
01423 {
01424 int i;
01425 for (i=0; i<=stack->b_num; i++) {
01426 if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01427 }
01428 return stack_holder_find(stack,l3id);
01429 }
01430
01431 static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack)
01432 {
01433 int i;
01434 for (i=0; i<=stack->b_num; i++) {
01435 if (stack->bc[i].holded ) return &stack->bc[i] ;
01436 }
01437 return NULL;
01438 }
01439
01440
01441 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
01442 {
01443 struct misdn_stack* stack;
01444 int i;
01445
01446 for (stack=glob_mgr->stack_list;
01447 stack;
01448 stack=stack->next) {
01449 for (i=0; i<=stack->b_num; i++) {
01450 if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) || stack->bc[i].layer_id== addr ) {
01451 return &stack->bc[i];
01452 }
01453 }
01454 }
01455
01456 return NULL;
01457 }
01458
01459 struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
01460 {
01461 struct misdn_stack* stack;
01462 int i;
01463
01464 for (stack=glob_mgr->stack_list;
01465 stack;
01466 stack=stack->next) {
01467 for (i=0; i<=stack->b_num; i++) {
01468 if ( stack->bc[i].conf_id==confid ) {
01469 return &stack->bc[i];
01470 }
01471 }
01472 }
01473 return NULL;
01474 }
01475
01476
01477 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
01478 {
01479 struct misdn_stack* stack=find_stack_by_port(port);
01480 int i;
01481
01482 if (!stack) return NULL;
01483
01484 for (i=0; i<=stack->b_num; i++) {
01485 if ( stack->bc[i].channel== channel ) {
01486 return &stack->bc[i];
01487 }
01488 }
01489
01490 return NULL;
01491 }
01492
01493
01494
01495
01496
01497 static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
01498 {
01499 struct misdn_stack *stack=get_stack_by_bc(bc);
01500
01501 if (!stack->nt) {
01502
01503 switch (event) {
01504
01505 case EVENT_CONNECT_ACKNOWLEDGE:
01506 #if 0
01507 if ( !misdn_cap_is_speech(bc->capability)) {
01508 int ret=setup_bc(bc);
01509 if (ret == -EINVAL){
01510 cb_log(0,bc->port,"send_event: setup_bc failed\n");
01511 }
01512 }
01513 #endif
01514 break;
01515 case EVENT_CONNECT:
01516
01517 if ( *bc->crypt_key ) {
01518 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);
01519 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01520 }
01521 case EVENT_ALERTING:
01522 case EVENT_PROGRESS:
01523 case EVENT_PROCEEDING:
01524 case EVENT_SETUP_ACKNOWLEDGE:
01525
01526 setup_bc(bc);
01527
01528 case EVENT_SETUP:
01529 {
01530 if (bc->channel == 0xff) {
01531 if (!find_free_chan_in_stack(stack, bc, 0, 0)) {
01532 cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01533 bc->out_cause=34;
01534 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01535 return -1;
01536 }
01537 }
01538
01539 if (bc->channel >0 && bc->channel<255) {
01540 int ret=set_chan_in_stack(stack ,bc->channel);
01541 if (event == EVENT_SETUP && ret<0){
01542
01543 bc->channel=0;
01544 bc->out_cause=44;
01545 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01546 return -1;
01547 }
01548 }
01549 }
01550 break;
01551
01552 case EVENT_RELEASE_COMPLETE:
01553 case EVENT_RELEASE:
01554 break;
01555 default:
01556 break;
01557 }
01558 } else {
01559
01560 }
01561 return 0;
01562 }
01563
01564 static int handle_cr ( struct misdn_stack *stack, iframe_t *frm)
01565 {
01566 if (!stack) return -1;
01567
01568 switch (frm->prim) {
01569 case CC_NEW_CR|INDICATION:
01570 cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01571
01572 struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01573 if (!bc) {
01574 cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01575 return -1;
01576 }
01577
01578 cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01579 bc->l3_id=frm->dinfo;
01580 return 1;
01581 case CC_NEW_CR|CONFIRM:
01582 return 1;
01583 case CC_NEW_CR|REQUEST:
01584 return 1;
01585 case CC_RELEASE_CR|REQUEST:
01586 return 1;
01587 case CC_RELEASE_CR|CONFIRM:
01588 break;
01589 case CC_RELEASE_CR|INDICATION:
01590 cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01591 {
01592 struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01593 struct misdn_bchannel dummybc;
01594
01595 if (!bc) {
01596 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01597 memset (&dummybc,0,sizeof(dummybc));
01598 dummybc.port=stack->port;
01599 dummybc.l3_id=frm->dinfo;
01600 dummybc.nt=stack->nt;
01601 bc=&dummybc;
01602 }
01603
01604 if (bc) {
01605 cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01606 if (bc->channel>0)
01607 empty_chan_in_stack(stack,bc->channel);
01608
01609
01610 bc->need_disconnect=0;
01611 bc->need_release=0;
01612 bc->need_release_complete=0;
01613
01614 cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01615
01616 empty_bc(bc);
01617 clean_up_bc(bc);
01618 dump_chan_list(stack);
01619
01620 if (bc->stack_holder) {
01621 cb_log(4,stack->port, "REMOVEING Holder\n");
01622 stack_holder_remove( stack, bc);
01623 free(bc);
01624 }
01625 }
01626 else {
01627 if (stack->nt)
01628 cb_log(4, stack->port, "BC with dinfo: %x not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01629 }
01630
01631 return 1;
01632 }
01633 break;
01634 }
01635
01636 return 0;
01637 }
01638
01639
01640
01641 void misdn_lib_release(struct misdn_bchannel *bc)
01642 {
01643 struct misdn_stack *stack=get_stack_by_bc(bc);
01644
01645 if (!stack) {
01646 cb_log(1,0,"misdn_release: No Stack found\n");
01647 return;
01648 }
01649
01650 if (bc->channel>0) {
01651 empty_chan_in_stack(stack,bc->channel);
01652 }
01653 empty_bc(bc);
01654 clean_up_bc(bc);
01655 }
01656
01657
01658
01659
01660 int misdn_lib_get_port_up (int port)
01661 {
01662 struct misdn_stack *stack;
01663
01664 for (stack=glob_mgr->stack_list;
01665 stack;
01666 stack=stack->next) {
01667
01668 if (stack->port == port) {
01669
01670 if (!stack->l1link)
01671 misdn_lib_get_l1_up(stack);
01672 if (!stack->l2link)
01673 misdn_lib_get_l2_up(stack);
01674
01675 return 0;
01676 }
01677 }
01678 return 0;
01679 }
01680
01681
01682 int misdn_lib_get_port_down (int port)
01683 {
01684 struct misdn_stack *stack;
01685 for (stack=glob_mgr->stack_list;
01686 stack;
01687 stack=stack->next) {
01688 if (stack->port == port) {
01689 if (stack->l2link)
01690 misdn_lib_get_l2_down(stack);
01691 misdn_lib_get_l1_down(stack);
01692 return 0;
01693 }
01694 }
01695 return 0;
01696 }
01697
01698 int misdn_lib_port_up(int port, int check)
01699 {
01700 struct misdn_stack *stack;
01701
01702
01703 for (stack=glob_mgr->stack_list;
01704 stack;
01705 stack=stack->next) {
01706
01707 if (stack->port == port) {
01708
01709 if (stack->blocked) {
01710 cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01711 return -1;
01712 }
01713
01714 if (stack->ptp ) {
01715
01716 if (stack->l1link && stack->l2link) {
01717 return 1;
01718 } else {
01719 cb_log(1,port, "Port Down L2:%d L1:%d\n",
01720 stack->l2link, stack->l1link);
01721 return 0;
01722 }
01723 } else {
01724 if ( !check || stack->l1link )
01725 return 1;
01726 else {
01727 cb_log(1,port, "Port down PMP\n");
01728 return 0;
01729 }
01730 }
01731 }
01732 }
01733
01734 return -1;
01735 }
01736
01737
01738 int
01739 handle_event_nt(void *dat, void *arg)
01740 {
01741 manager_t *mgr = (manager_t *)dat;
01742 msg_t *msg = (msg_t *)arg;
01743 mISDNuser_head_t *hh;
01744 int reject=0;
01745
01746 struct misdn_stack *stack=find_stack_by_mgr(mgr);
01747 int port;
01748
01749 if (!msg || !mgr)
01750 return(-EINVAL);
01751
01752 hh=(mISDNuser_head_t*)msg->data;
01753 port=stack->port;
01754
01755 cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01756 {
01757 switch(hh->prim){
01758 case CC_RETRIEVE|INDICATION:
01759 {
01760 iframe_t frm;
01761 frm.dinfo = hh->dinfo;
01762
01763 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01764
01765 frm.prim = CC_NEW_CR|INDICATION;
01766
01767 if (handle_cr( stack, &frm)< 0) {
01768 msg_t *dmsg;
01769 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01770 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01771 stack->nst.manager_l3(&stack->nst, dmsg);
01772 free_msg(msg);
01773 return 0;
01774 }
01775
01776 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01777 struct misdn_bchannel *hold_bc=stack_holder_find(stack,bc->l3_id);
01778 cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01779
01780 if (hold_bc) {
01781 cb_log(4, stack->port, "REMOVEING Holder\n");
01782
01783
01784 stack_holder_remove(stack, hold_bc);
01785 memcpy(bc,hold_bc,sizeof(struct misdn_bchannel));
01786 free(hold_bc);
01787
01788 bc->holded=0;
01789 }
01790
01791 }
01792
01793 break;
01794
01795 case CC_SETUP|CONFIRM:
01796 {
01797 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01798 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01799 cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id );
01800
01801 if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01802 cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01803 bc->l3_id=l3id;
01804 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01805 }
01806 free_msg(msg);
01807 return 0;
01808
01809 case CC_SETUP|INDICATION:
01810 {
01811 struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01812 if (!bc)
01813 ERR_NO_CHANNEL:
01814 {
01815 msg_t *dmsg;
01816 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01817 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01818 stack->nst.manager_l3(&stack->nst, dmsg);
01819 free_msg(msg);
01820 return 0;
01821 }
01822
01823 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01824 bc->l3_id=hh->dinfo;
01825 }
01826 break;
01827
01828 case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01829 #if 0
01830 {
01831 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01832 if (bc) {
01833 if ( !misdn_cap_is_speech(bc->capability)) {
01834 int ret=setup_bc(bc);
01835 if (ret == -EINVAL){
01836 cb_log(0,bc->port,"send_event: setup_bc failed\n");
01837
01838 }
01839 }
01840 }
01841 }
01842 #endif
01843 break;
01844
01845 case CC_ALERTING|INDICATION:
01846 case CC_PROCEEDING|INDICATION:
01847 case CC_SETUP_ACKNOWLEDGE|INDICATION:
01848 if(!stack->ptp) break;
01849 case CC_CONNECT|INDICATION:
01850 {
01851 #if 0
01852 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01853
01854 if (!bc) {
01855 msg_t *dmsg;
01856 cb_log(0, stack->port,"!!!! We didn't found our bc, dinfo:%x on this port.\n",hh->dinfo);
01857
01858 cb_log(0, stack->port, "Releaseing call %x (No free Chan for you..)\n", hh->dinfo);
01859 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01860 stack->nst.manager_l3(&stack->nst, dmsg);
01861 free_msg(msg);
01862 return 0;
01863
01864 }
01865 int ret=setup_bc(bc);
01866 if (ret == -EINVAL){
01867 cb_log(0,bc->port,"handle_event_nt: setup_bc failed\n");
01868 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01869 }
01870 #endif
01871 }
01872 break;
01873 case CC_DISCONNECT|INDICATION:
01874 {
01875 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01876 if (!bc) {
01877 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01878 if (bc) {
01879 int myprocid=bc->l3_id&0x0000ffff;
01880 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01881 cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01882 reject=1;
01883 }
01884 }
01885 }
01886 break;
01887
01888 case CC_FACILITY|INDICATION:
01889 {
01890 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01891 if (!bc) {
01892 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01893 if (bc) {
01894 int myprocid=bc->l3_id&0x0000ffff;
01895 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01896 cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01897 }
01898 }
01899 }
01900 break;
01901
01902 case CC_RELEASE_COMPLETE|INDICATION:
01903 break;
01904
01905 case CC_SUSPEND|INDICATION:
01906 {
01907 msg_t *dmsg;
01908 cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01909 dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01910 stack->nst.manager_l3(&stack->nst, dmsg);
01911 free_msg(msg);
01912 return 0;
01913 }
01914 break;
01915 case CC_RESUME|INDICATION:
01916 break;
01917
01918 case CC_RELEASE|CONFIRM:
01919 break;
01920
01921 case CC_RELEASE|INDICATION:
01922 break;
01923
01924 case CC_RELEASE_CR|INDICATION:
01925 {
01926 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01927 struct misdn_bchannel dummybc;
01928 iframe_t frm;
01929 frm.dinfo = hh->dinfo;
01930
01931 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01932
01933 frm.prim = CC_RELEASE_CR|INDICATION;
01934 cb_log(4, stack->port, " --> Faking Realease_cr for %x\n",frm.addr);
01935
01936 if (!bc) {
01937 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01938 memset (&dummybc,0,sizeof(dummybc));
01939 dummybc.port=stack->port;
01940 dummybc.l3_id=hh->dinfo;
01941 dummybc.nt=stack->nt;
01942 bc=&dummybc;
01943 }
01944
01945 if (bc) {
01946 if ( (bc->l3_id & 0xff00) == 0xff00) {
01947 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01948 stack->procids[bc->l3_id&0xff] = 0 ;
01949 }
01950 }
01951 else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01952
01953 if (handle_cr(stack, &frm)<0) {
01954 }
01955
01956 free_msg(msg);
01957 return 0 ;
01958 }
01959 break;
01960
01961 case CC_NEW_CR|INDICATION:
01962
01963
01964 {
01965 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01966 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01967 if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01968 if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01969 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01970 stack->procids[bc->l3_id&0xff] = 0 ;
01971 }
01972 cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id );
01973
01974 bc->l3_id =l3id;
01975 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01976
01977 free_msg(msg);
01978 return 0;
01979 }
01980
01981 case DL_ESTABLISH | INDICATION:
01982 case DL_ESTABLISH | CONFIRM:
01983 {
01984 cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
01985
01986 if (stack->ptp && stack->l2link) {
01987 cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
01988 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
01989 }
01990
01991
01992 stack->l1link = 1;
01993 stack->l2link = 1;
01994 stack->l2upcnt=0;
01995
01996 free_msg(msg);
01997 return 0;
01998 }
01999 break;
02000
02001
02002 case DL_RELEASE | INDICATION:
02003 case DL_RELEASE | CONFIRM:
02004 {
02005 if (stack->ptp) {
02006 cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02007
02008 if (stack->l2upcnt>3) {
02009 cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02010 } else {
02011 #if 0
02012 if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02013 #endif
02014 if (stack->l1link) {
02015 misdn_lib_get_l2_up(stack);
02016 stack->l2upcnt++;
02017 }
02018 }
02019
02020 } else
02021 cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02022
02023 stack->l2link = 0;
02024 free_msg(msg);
02025 return 0;
02026 }
02027 break;
02028 }
02029 }
02030
02031 {
02032
02033 struct misdn_bchannel *bc;
02034 struct misdn_bchannel dummybc;
02035
02036 enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02037
02038 bc=find_bc_by_l3id(stack, hh->dinfo);
02039
02040 if (!bc) {
02041
02042 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02043 memset (&dummybc,0,sizeof(dummybc));
02044 dummybc.port=stack->port;
02045 dummybc.l3_id=hh->dinfo;
02046 dummybc.nt=stack->nt;
02047 bc=&dummybc;
02048 }
02049 if (bc ) {
02050 isdn_msg_parse_event(msgs_g,msg,bc, 1);
02051
02052 switch (event) {
02053 case EVENT_SETUP:
02054 if (bc->channel<=0 || bc->channel==0xff) {
02055 bc->channel=find_free_chan_in_stack(stack,bc, 0,0);
02056 if (bc->channel<=0)
02057 goto ERR_NO_CHANNEL;
02058 } else if (!stack->ptp)
02059 cb_log(3,stack->port," --> PTMP but channel requested\n");
02060
02061 int ret=set_chan_in_stack(stack, bc->channel);
02062 if (event==EVENT_SETUP && ret<0){
02063
02064 bc->channel=0;
02065 bc->out_cause=44;
02066
02067 goto ERR_NO_CHANNEL;
02068 }
02069 break;
02070 case EVENT_RELEASE:
02071 case EVENT_RELEASE_COMPLETE:
02072 if (bc->channel>0)
02073 empty_chan_in_stack(stack, bc->channel);
02074 int tmpcause=bc->cause;
02075 empty_bc(bc);
02076 bc->cause=tmpcause;
02077 clean_up_bc(bc);
02078 break;
02079
02080 default:
02081 break;
02082 }
02083
02084 if(!isdn_get_info(msgs_g,event,1)) {
02085 cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02086 } else {
02087 if (reject) {
02088 switch(bc->cause){
02089 case 17:
02090 cb_log(1, stack->port, "Siemens Busy reject..\n");
02091
02092 break;
02093 default:
02094 break;
02095 }
02096 }
02097 cb_event(event, bc, glob_mgr->user_data);
02098 }
02099
02100 } else {
02101 cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02102 }
02103
02104 free_msg(msg);
02105 }
02106
02107
02108 return 0;
02109 }
02110
02111
02112 static int handle_timers(msg_t* msg)
02113 {
02114 iframe_t *frm= (iframe_t*)msg->data;
02115 struct misdn_stack *stack;
02116
02117
02118 switch (frm->prim) {
02119 case MGR_INITTIMER | CONFIRM:
02120 case MGR_ADDTIMER | CONFIRM:
02121 case MGR_DELTIMER | CONFIRM:
02122 case MGR_REMOVETIMER | CONFIRM:
02123 free_msg(msg);
02124 return(1);
02125 }
02126
02127
02128
02129 if (frm->prim==(MGR_TIMER | INDICATION) ) {
02130 for (stack = glob_mgr->stack_list;
02131 stack;
02132 stack = stack->next) {
02133 itimer_t *it;
02134
02135 if (!stack->nt) continue;
02136
02137 it = stack->nst.tlist;
02138
02139 for(it=stack->nst.tlist;
02140 it;
02141 it=it->next) {
02142 if (it->id == (int)frm->addr)
02143 break;
02144 }
02145 if (it) {
02146 int ret;
02147 ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02148 MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02149 test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02150 ret = it->function(it->data);
02151 free_msg(msg);
02152 return 1;
02153 }
02154 }
02155
02156 cb_log(0, 0, "Timer Msg without Timer ??\n");
02157 free_msg(msg);
02158 return 1;
02159 }
02160
02161 return 0;
02162 }
02163
02164
02165
02166 void misdn_lib_tone_generator_start(struct misdn_bchannel *bc)
02167 {
02168 bc->generate_tone=1;
02169 }
02170
02171 void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc)
02172 {
02173 bc->generate_tone=0;
02174 }
02175
02176
02177 static int do_tone(struct misdn_bchannel *bc, int len)
02178 {
02179 bc->tone_cnt=len;
02180
02181 if (bc->generate_tone) {
02182 cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02183
02184 if ( !bc->nojitter ) {
02185 misdn_tx_jitter(bc,len);
02186 }
02187
02188 return 1;
02189 }
02190
02191 return 0;
02192 }
02193
02194
02195 #ifdef MISDN_SAVE_DATA
02196 static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
02197 {
02198 char n1[32],n2[32];
02199
02200 sprintf(n1,"/tmp/misdn-rx-%d.raw",id);
02201 sprintf(n2,"/tmp/misdn-tx-%d.raw",id);
02202
02203 FILE *rx=fopen(n1,"a+");
02204 FILE *tx=fopen(n2,"a+");
02205
02206 if (!rx || !tx) {
02207 cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
02208 return ;
02209 }
02210
02211 fwrite(p1,1,l1,rx);
02212 fwrite(p2,1,l2,tx);
02213
02214 fclose(rx);
02215 fclose(tx);
02216
02217 }
02218 #endif
02219
02220 void misdn_tx_jitter(struct misdn_bchannel *bc, int len)
02221 {
02222 char buf[4096 + mISDN_HEADER_LEN];
02223 char *data=&buf[mISDN_HEADER_LEN];
02224 iframe_t *txfrm= (iframe_t*)buf;
02225 int jlen, r;
02226
02227 jlen=cb_jb_empty(bc,data,len);
02228
02229 if (jlen) {
02230 #ifdef MISDN_SAVE_DATA
02231 misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02232 #endif
02233 flip_buf_bits( data, jlen);
02234
02235 if (jlen < len) {
02236 cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02237 }
02238
02239 txfrm->prim = DL_DATA|REQUEST;
02240
02241 txfrm->dinfo = 0;
02242
02243 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02244
02245 txfrm->len =jlen;
02246 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02247
02248 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02249 } else {
02250 #define MISDN_GEN_SILENCE
02251 #ifdef MISDN_GEN_SILENCE
02252 int cnt=len/TONE_SILENCE_SIZE;
02253 int rest=len%TONE_SILENCE_SIZE;
02254 int i;
02255
02256 for (i=0; i<cnt; i++) {
02257 memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02258 data +=TONE_SILENCE_SIZE;
02259 }
02260
02261 if (rest) {
02262 memcpy(data, tone_silence_flip, rest);
02263 }
02264
02265 txfrm->prim = DL_DATA|REQUEST;
02266
02267 txfrm->dinfo = 0;
02268
02269 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02270
02271 txfrm->len =len;
02272 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02273
02274 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02275 #endif
02276
02277 }
02278 }
02279
02280 static int handle_bchan(msg_t *msg)
02281 {
02282 iframe_t *frm= (iframe_t*)msg->data;
02283
02284
02285 struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02286
02287 if (!bc) {
02288 cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02289 return 0 ;
02290 }
02291
02292 struct misdn_stack *stack=get_stack_by_bc(bc);
02293
02294 if (!stack) {
02295 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);
02296 return 0;
02297 }
02298
02299 switch (frm->prim) {
02300
02301 case MGR_SETSTACK| CONFIRM:
02302 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02303 break;
02304
02305 case MGR_SETSTACK| INDICATION:
02306 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02307 break;
02308 #if 0
02309 AGAIN:
02310 bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02311 if (!bc->addr) {
02312
02313 if (errno == EAGAIN) {
02314 usleep(1000);
02315 goto AGAIN;
02316 }
02317
02318 cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02319
02320
02321
02322 bc->addr= frm->addr;
02323 } else if ( bc->addr < 0) {
02324 cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02325 bc->addr=0;
02326 }
02327
02328 cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02329
02330 free_msg(msg);
02331
02332
02333 switch(bc->bc_state) {
02334 case BCHAN_SETUP:
02335 bc_state_change(bc,BCHAN_SETUPED);
02336 break;
02337
02338 case BCHAN_CLEAN_REQUEST:
02339 default:
02340 cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02341 clean_up_bc(bc);
02342 }
02343 return 1;
02344 #endif
02345
02346 case MGR_DELLAYER| INDICATION:
02347 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02348 break;
02349
02350 case MGR_DELLAYER| CONFIRM:
02351 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02352
02353 bc->pid=0;
02354 bc->addr=0;
02355
02356 free_msg(msg);
02357 return 1;
02358
02359 case PH_ACTIVATE | INDICATION:
02360 case DL_ESTABLISH | INDICATION:
02361 cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02362
02363 free_msg(msg);
02364 return 1;
02365
02366 case PH_ACTIVATE | CONFIRM:
02367 case DL_ESTABLISH | CONFIRM:
02368
02369 cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02370 free_msg(msg);
02371
02372 return 1;
02373
02374 case DL_ESTABLISH | REQUEST:
02375 {
02376 char buf[128];
02377 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02378 }
02379 free_msg(msg);
02380 return 1;
02381
02382 case DL_RELEASE|REQUEST:
02383 {
02384 char buf[128];
02385 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02386 }
02387 free_msg(msg);
02388 return 1;
02389
02390 case PH_DEACTIVATE | INDICATION:
02391 case DL_RELEASE | INDICATION:
02392 cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02393
02394 free_msg(msg);
02395 return 1;
02396
02397 case PH_DEACTIVATE | CONFIRM:
02398 case DL_RELEASE | CONFIRM:
02399 cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02400
02401 free_msg(msg);
02402 return 1;
02403
02404 case PH_CONTROL|INDICATION:
02405 {
02406 unsigned int cont = *((unsigned int *)&frm->data.p);
02407
02408 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);
02409
02410 if ((cont&~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02411 int dtmf = cont & DTMF_TONE_MASK;
02412 cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02413 bc->dtmf=dtmf;
02414 cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02415
02416 free_msg(msg);
02417 return 1;
02418 }
02419 if (cont == BF_REJECT) {
02420 cb_log(4, stack->port, " --> BF REJECT\n");
02421 free_msg(msg);
02422 return 1;
02423 }
02424 if (cont == BF_ACCEPT) {
02425 cb_log(4, stack->port, " --> BF ACCEPT\n");
02426 free_msg(msg);
02427 return 1;
02428 }
02429 }
02430 break;
02431
02432 case PH_DATA|REQUEST:
02433 case DL_DATA|REQUEST:
02434 cb_log(0, stack->port, "DL_DATA REQUEST \n");
02435 do_tone(bc, 64);
02436
02437 free_msg(msg);
02438 return 1;
02439
02440
02441 case PH_DATA|INDICATION:
02442 case DL_DATA|INDICATION:
02443 {
02444 bc->bframe = (void*)&frm->data.i;
02445 bc->bframe_len = frm->len;
02446
02447
02448 if ( misdn_cap_is_speech(bc->capability) )
02449 flip_buf_bits(bc->bframe, bc->bframe_len);
02450
02451
02452 if (!bc->bframe_len) {
02453 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02454 free_msg(msg);
02455 return 1;
02456 }
02457
02458 if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02459 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02460 free_msg(msg);
02461 return 1;
02462 }
02463
02464 #if MISDN_DEBUG
02465 cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02466
02467 #endif
02468
02469 if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02470 int t;
02471
02472 #ifdef MISDN_B_DEBUG
02473 cb_log(0,bc->port,"do_tone START\n");
02474 #endif
02475 t=do_tone(bc,frm->len);
02476
02477 #ifdef MISDN_B_DEBUG
02478 cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02479 #endif
02480 if ( !t ) {
02481
02482 if ( misdn_cap_is_speech(bc->capability)) {
02483 if ( !bc->nojitter ) {
02484 #ifdef MISDN_B_DEBUG
02485 cb_log(0,bc->port,"tx_jitter START\n");
02486 #endif
02487 misdn_tx_jitter(bc,frm->len);
02488 #ifdef MISDN_B_DEBUG
02489 cb_log(0,bc->port,"tx_jitter STOP\n");
02490 #endif
02491 }
02492 }
02493
02494 #ifdef MISDN_B_DEBUG
02495 cb_log(0,bc->port,"EVENT_B_DATA START\n");
02496 #endif
02497
02498 int i=cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02499 #ifdef MISDN_B_DEBUG
02500 cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02501 #endif
02502
02503 if (i<0) {
02504 cb_log(10,stack->port,"cb_event returned <0\n");
02505
02506 }
02507 }
02508 }
02509 free_msg(msg);
02510 return 1;
02511 }
02512
02513
02514 case PH_CONTROL | CONFIRM:
02515 cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02516 free_msg(msg);
02517 return 1;
02518
02519 case PH_DATA | CONFIRM:
02520 case DL_DATA|CONFIRM:
02521 #if MISDN_DEBUG
02522
02523 cb_log(0, stack->port, "Data confirmed\n");
02524
02525 #endif
02526 free_msg(msg);
02527 return 1;
02528 case DL_DATA|RESPONSE:
02529 #if MISDN_DEBUG
02530 cb_log(0, stack->port, "Data response\n");
02531
02532 #endif
02533 break;
02534 }
02535
02536 return 0;
02537 }
02538
02539
02540
02541 static int handle_frm_nt(msg_t *msg)
02542 {
02543 iframe_t *frm= (iframe_t*)msg->data;
02544 struct misdn_stack *stack;
02545 int err=0;
02546
02547 stack=find_stack_by_addr( frm->addr );
02548
02549
02550
02551 if (!stack || !stack->nt) {
02552 return 0;
02553 }
02554
02555
02556 if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02557
02558 if (nt_err_cnt > 0 ) {
02559 if (nt_err_cnt < 100) {
02560 nt_err_cnt++;
02561 cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02562 } else if (nt_err_cnt < 105){
02563 cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02564 nt_err_cnt = - 1;
02565 }
02566 }
02567 free_msg(msg);
02568 return 1;
02569
02570 }
02571
02572 return 1;
02573 }
02574
02575
02576 static int handle_frm(msg_t *msg)
02577 {
02578 iframe_t *frm = (iframe_t*) msg->data;
02579
02580 struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02581
02582 if (!stack || stack->nt) {
02583 return 0;
02584 }
02585
02586 cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02587
02588 {
02589 struct misdn_bchannel *bc;
02590 int ret=handle_cr(stack, frm);
02591
02592 if (ret<0) {
02593 cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02594
02595
02596 }
02597
02598 if(ret) {
02599 free_msg(msg);
02600 return 1;
02601 }
02602
02603 bc=find_bc_by_l3id(stack, frm->dinfo);
02604
02605 handle_frm_bc:
02606 if (bc ) {
02607 enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02608 enum event_response_e response=RESPONSE_OK;
02609
02610 isdn_msg_parse_event(msgs_g,msg,bc, 0);
02611
02612
02613 int ret=handle_event(bc, event, frm);
02614 if (ret<0) {
02615 cb_log(0,stack->port,"couldn't handle event\n");
02616 free_msg(msg);
02617 return 1;
02618 }
02619
02620 cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02621
02622 if(!isdn_get_info(msgs_g,event,0))
02623 cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02624 else
02625 response=cb_event(event, bc, glob_mgr->user_data);
02626 #if 1
02627 if (event == EVENT_SETUP) {
02628 switch (response) {
02629 case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02630
02631 cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");
02632
02633 break;
02634 case RESPONSE_IGNORE_SETUP:
02635
02636 bc->out_cause=16;
02637
02638 case RESPONSE_RELEASE_SETUP:
02639 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02640 if (bc->channel>0)
02641 empty_chan_in_stack(stack, bc->channel);
02642 empty_bc(bc);
02643 bc_state_change(bc,BCHAN_CLEANED);
02644
02645 cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02646
02647
02648 break;
02649 case RESPONSE_OK:
02650 cb_log(4, stack->port, "GOT SETUP OK\n");
02651
02652
02653 break;
02654 default:
02655 break;
02656 }
02657 }
02658
02659 if (event == EVENT_RELEASE_COMPLETE) {
02660
02661 if (bc->channel>0)
02662 empty_chan_in_stack(stack,bc->channel);
02663 int tmpcause=bc->cause;
02664 int tmp_out_cause=bc->out_cause;
02665 empty_bc(bc);
02666 bc->cause=tmpcause;
02667 bc->out_cause=tmp_out_cause;
02668 clean_up_bc(bc);
02669 }
02670
02671 cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02672
02673
02674 free_msg(msg);
02675 return 1;
02676 #endif
02677
02678 } else {
02679 cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02680 struct misdn_bchannel dummybc;
02681 memset (&dummybc,0,sizeof(dummybc));
02682 dummybc.port=stack->port;
02683 dummybc.l3_id=frm->dinfo;
02684 bc=&dummybc;
02685 goto handle_frm_bc;
02686 }
02687 }
02688
02689 cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02690 return 0;
02691 }
02692
02693
02694 static int handle_l1(msg_t *msg)
02695 {
02696 iframe_t *frm = (iframe_t*) msg->data;
02697 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02698 int i ;
02699
02700 if (!stack) return 0 ;
02701
02702 switch (frm->prim) {
02703 case PH_ACTIVATE | CONFIRM:
02704 case PH_ACTIVATE | INDICATION:
02705 cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02706 stack->l1link=1;
02707
02708 if (stack->nt) {
02709
02710 if (stack->nst.l1_l2(&stack->nst, msg))
02711 free_msg(msg);
02712
02713 if (stack->ptp)
02714 misdn_lib_get_l2_up(stack);
02715 } else {
02716 free_msg(msg);
02717 }
02718
02719 for (i=0;i<=stack->b_num; i++) {
02720 if (stack->bc[i].evq != EVENT_NOTHING) {
02721 cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02722 misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02723 stack->bc[i].evq=EVENT_NOTHING;
02724 }
02725
02726 }
02727 return 1;
02728
02729 case PH_ACTIVATE | REQUEST:
02730 free_msg(msg);
02731 cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02732 return 1;
02733
02734 case PH_DEACTIVATE | REQUEST:
02735 free_msg(msg);
02736 cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02737 return 1;
02738
02739 case PH_DEACTIVATE | CONFIRM:
02740 case PH_DEACTIVATE | INDICATION:
02741 cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02742
02743 for (i=0; i<=stack->b_num; i++) {
02744 if (global_state == MISDN_INITIALIZED) {
02745 cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02746 }
02747 }
02748
02749 if (stack->nt) {
02750 if (stack->nst.l1_l2(&stack->nst, msg))
02751 free_msg(msg);
02752 } else {
02753 free_msg(msg);
02754 }
02755
02756 stack->l1link=0;
02757 stack->l2link=0;
02758 return 1;
02759 }
02760
02761 return 0;
02762 }
02763
02764 static int handle_l2(msg_t *msg)
02765 {
02766 iframe_t *frm = (iframe_t*) msg->data;
02767
02768 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02769
02770 if (!stack) {
02771 return 0 ;
02772 }
02773
02774 switch(frm->prim) {
02775
02776 case DL_ESTABLISH | REQUEST:
02777 cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02778 return 1;
02779 case DL_RELEASE | REQUEST:
02780 cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02781 return 1;
02782
02783 case DL_ESTABLISH | INDICATION:
02784 case DL_ESTABLISH | CONFIRM:
02785 {
02786 cb_log (3, stack->port, "L2: L2Link Up! \n");
02787 if (stack->ptp && stack->l2link) {
02788 cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
02789 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02790 }
02791 stack->l2link=1;
02792 free_msg(msg);
02793 return 1;
02794 }
02795 break;
02796
02797 case DL_RELEASE | INDICATION:
02798 case DL_RELEASE | CONFIRM:
02799 {
02800 cb_log (3, stack->port, "L2: L2Link Down! \n");
02801 stack->l2link=0;
02802
02803 free_msg(msg);
02804 return 1;
02805 }
02806 break;
02807 }
02808 return 0;
02809 }
02810
02811 static int handle_mgmt(msg_t *msg)
02812 {
02813 iframe_t *frm = (iframe_t*) msg->data;
02814
02815 if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02816 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02817 free_msg(msg);
02818 return 1;
02819 }
02820
02821 struct misdn_stack * stack=find_stack_by_addr(frm->addr);
02822
02823 if (!stack) {
02824 if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02825 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02826 frm->addr) ;
02827 free_msg(msg);
02828 return 1;
02829 }
02830
02831 return 0;
02832 }
02833
02834 switch(frm->prim) {
02835 case MGR_SHORTSTATUS | INDICATION:
02836 case MGR_SHORTSTATUS | CONFIRM:
02837 cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02838
02839 switch (frm->dinfo) {
02840 case SSTATUS_L1_ACTIVATED:
02841 cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02842 stack->l1link=1;
02843
02844 break;
02845 case SSTATUS_L1_DEACTIVATED:
02846 cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02847 stack->l1link=0;
02848
02849 clear_l3(stack);
02850 break;
02851
02852 case SSTATUS_L2_ESTABLISHED:
02853 cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02854
02855
02856 stack->l1link=1;
02857 stack->l2link=1;
02858 break;
02859
02860 case SSTATUS_L2_RELEASED:
02861 cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02862 stack->l2link=0;
02863 break;
02864 }
02865
02866 free_msg(msg);
02867 return 1;
02868
02869 case MGR_SETSTACK | INDICATION:
02870 cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02871 free_msg(msg);
02872 return 1;
02873 case MGR_DELLAYER | CONFIRM:
02874 cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02875 free_msg(msg);
02876 return 1;
02877
02878 }
02879
02880
02881
02882
02883
02884
02885
02886
02887 return 0;
02888 }
02889
02890
02891 static msg_t *fetch_msg(int midev)
02892 {
02893 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02894 int r;
02895
02896 if (!msg) {
02897 cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02898 return NULL;
02899 }
02900
02901 AGAIN:
02902 r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02903 msg->len=r;
02904
02905 if (r==0) {
02906 free_msg(msg);
02907 cb_log(6,0,"Got empty Msg..\n");
02908 return NULL;
02909 }
02910
02911 if (r<0) {
02912 if (errno == EAGAIN) {
02913
02914 cb_log(4,0,"mISDN_read wants us to wait\n");
02915 usleep(5000);
02916 goto AGAIN;
02917 }
02918
02919 cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
02920 }
02921
02922 #if 0
02923 if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02924 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 );
02925 #endif
02926 return msg;
02927 }
02928
02929 void misdn_lib_isdn_l1watcher(int port)
02930 {
02931 struct misdn_stack *stack;
02932
02933 for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02934 ;
02935
02936 if (stack) {
02937 cb_log(4, port, "Checking L1 State\n");
02938 if (!stack->l1link) {
02939 cb_log(4, port, "L1 State Down, trying to get it up again\n");
02940 misdn_lib_get_short_status(stack);
02941 misdn_lib_get_l1_up(stack);
02942 misdn_lib_get_l2_up(stack);
02943 }
02944 }
02945 }
02946
02947 static void misdn_lib_isdn_event_catcher(void *arg)
02948 {
02949 struct misdn_lib *mgr = arg;
02950 int zero_frm=0 , fff_frm=0 ;
02951 int midev= mgr->midev;
02952 int port=0;
02953
02954 while (1) {
02955 msg_t *msg = fetch_msg(midev);
02956 iframe_t *frm;
02957
02958
02959 if (!msg) continue;
02960
02961 frm = (iframe_t*) msg->data;
02962
02963
02964 if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
02965 zero_frm++;
02966 free_msg(msg);
02967 continue;
02968 } else {
02969 if (zero_frm) {
02970 cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
02971 zero_frm = 0 ;
02972 }
02973 }
02974
02975
02976 if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) {
02977 fff_frm++;
02978 free_msg(msg);
02979 continue;
02980 } else {
02981 if (fff_frm) {
02982 cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
02983 fff_frm = 0 ;
02984 }
02985 }
02986
02987 manager_isdn_handler(frm, msg);
02988 }
02989
02990 }
02991
02992
02993
02994
02995 int te_lib_init() {
02996 char buff[1025];
02997 iframe_t *frm=(iframe_t*)buff;
02998 int midev=mISDN_open();
02999 int ret;
03000
03001 memset(buff,0,1025);
03002
03003 if (midev<=0) return midev;
03004
03005
03006 mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03007 ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03008
03009 if (ret < mISDN_HEADER_LEN) {
03010 noentity:
03011 fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03012 exit(-1);
03013 }
03014
03015 entity = frm->dinfo & 0xffff ;
03016
03017 if (!entity)
03018 goto noentity;
03019
03020 return midev;
03021
03022 }
03023
03024 void te_lib_destroy(int midev)
03025 {
03026 char buf[1024];
03027 mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03028
03029 cb_log(4, 0, "Entetity deleted\n");
03030 mISDN_close(midev);
03031 cb_log(4, 0, "midev closed\n");
03032 }
03033
03034
03035
03036 void misdn_lib_transfer(struct misdn_bchannel* holded_bc)
03037 {
03038 holded_bc->holded=0;
03039 }
03040
03041 struct misdn_bchannel *manager_find_bc_by_pid(int pid)
03042 {
03043 struct misdn_stack *stack;
03044 int i;
03045
03046 for (stack=glob_mgr->stack_list;
03047 stack;
03048 stack=stack->next) {
03049 for (i=0; i<=stack->b_num; i++)
03050 if (stack->bc[i].pid == pid) return &stack->bc[i];
03051 }
03052
03053 return NULL;
03054 }
03055
03056 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc)
03057 {
03058 struct misdn_stack *stack=get_stack_by_bc(bc);
03059 return find_bc_holded(stack);
03060 }
03061
03062
03063
03064 static void prepare_bc(struct misdn_bchannel*bc, int channel)
03065 {
03066 bc->channel = channel;
03067 bc->channel_preselected = channel?1:0;
03068 bc->in_use = 1;
03069 bc->need_disconnect=1;
03070 bc->need_release=1;
03071 bc->need_release_complete=1;
03072 bc->cause=16;
03073
03074 if (++mypid>5000) mypid=1;
03075 bc->pid=mypid;
03076
03077 #if 0
03078 bc->addr=0;
03079 bc->b_stid=0;
03080 bc->layer_id=0;
03081 #endif
03082 }
03083
03084 struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec)
03085 {
03086 struct misdn_stack *stack;
03087 int i;
03088
03089 if (channel < 0 || channel > MAX_BCHANS) {
03090 cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03091 return NULL;
03092 }
03093
03094 for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03095
03096 if (stack->port == port) {
03097 if (stack->blocked) {
03098 cb_log(0,port,"Port is blocked\n");
03099 return NULL;
03100 }
03101
03102 if (channel > 0) {
03103 if (channel <= stack->b_num) {
03104 for (i = 0; i < stack->b_num; i++) {
03105 if (stack->bc[i].in_use && stack->bc[i].channel == channel) {
03106 cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03107 return NULL;
03108 }
03109 }
03110 } else {
03111 cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03112 return NULL;
03113 }
03114 }
03115
03116 int maxnum=inout&&!stack->pri&&!stack->ptp?stack->b_num+1:stack->b_num;
03117
03118 if (dec) {
03119 for (i = maxnum-1; i>=0; i--) {
03120 if (!stack->bc[i].in_use) {
03121
03122 if (!stack->pri && i==stack->b_num)
03123 stack->bc[i].cw=1;
03124
03125 prepare_bc(&stack->bc[i], channel);
03126 stack->bc[i].dec=1;
03127 return &stack->bc[i];
03128 }
03129 }
03130 } else {
03131 for (i = 0; i <maxnum; i++) {
03132 if (!stack->bc[i].in_use) {
03133
03134 if (!stack->pri && i==stack->b_num)
03135 stack->bc[i].cw=1;
03136
03137 prepare_bc(&stack->bc[i], channel);
03138 return &stack->bc[i];
03139 }
03140 }
03141 }
03142
03143 cb_log(1,port,"There is no free channel on port (%d)\n",port);
03144 return NULL;
03145 }
03146 }
03147
03148 cb_log(0,port,"Port is not configured (%d)\n",port);
03149 return NULL;
03150 }
03151
03152
03153 static char *fac2str (enum FacFunction func)
03154 {
03155 struct arr_el {
03156 enum FacFunction p;
03157 char *s ;
03158 } arr[] = {
03159 { Fac_None, "Fac_None" },
03160 { Fac_CD, "Fac_CD"},
03161 };
03162
03163 int i;
03164
03165 for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03166 if ( arr[i].p==func) return arr[i].s;
03167
03168 return "unknown";
03169 }
03170
03171 void misdn_lib_log_ies(struct misdn_bchannel *bc)
03172 {
03173 if (!bc) return;
03174
03175 struct misdn_stack *stack=get_stack_by_bc(bc);
03176
03177 if (!stack) return;
03178
03179 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);
03180
03181 cb_log(2, stack->port,
03182 " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03183 bc->info_dad,
03184 bc->onumplan>=0?'0'+bc->onumplan:' ',
03185 bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03186 bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03187 bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03188 );
03189
03190 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);
03191 cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03192 bc->screen, bc->pres);
03193
03194 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);
03195
03196 cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03197
03198 cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03199
03200 cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03201 }
03202
03203 void misdn_send_lock(struct misdn_bchannel *bc);
03204 void misdn_send_unlock(struct misdn_bchannel *bc);
03205
03206 #define RETURN(a,b) {retval=a; goto b;}
03207
03208 void misdn_send_lock(struct misdn_bchannel *bc)
03209 {
03210
03211 pthread_mutex_lock(&bc->send_lock->lock);
03212 }
03213
03214 void misdn_send_unlock(struct misdn_bchannel *bc)
03215 {
03216
03217 pthread_mutex_unlock(&bc->send_lock->lock);
03218 }
03219
03220 int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
03221 {
03222 msg_t *msg;
03223 int retval=0;
03224
03225 if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03226
03227 struct misdn_stack *stack=get_stack_by_bc(bc);
03228
03229 if (!stack) {
03230 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);
03231 RETURN(-1,OUT);
03232 }
03233
03234 misdn_send_lock(bc);
03235
03236
03237 cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03238
03239 if ( stack->nt && !stack->l1link) {
03240
03241 bc->evq=event;
03242 cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03243 misdn_lib_get_l1_up(stack);
03244 RETURN(0,OUT);
03245 }
03246
03247 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);
03248 cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03249 misdn_lib_log_ies(bc);
03250
03251 switch (event) {
03252 case EVENT_SETUP:
03253 if (create_process(glob_mgr->midev, bc)<0) {
03254 cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03255
03256 RETURN(-ENOCHAN,OUT);
03257 }
03258 #if 0
03259 if (stack->nt) {
03260 ret=setup_bc(bc);
03261 if (ret == -EINVAL) {
03262 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03263 }
03264 }
03265 #endif
03266 break;
03267
03268 case EVENT_PROGRESS:
03269 case EVENT_ALERTING:
03270 case EVENT_PROCEEDING:
03271 case EVENT_SETUP_ACKNOWLEDGE:
03272 case EVENT_CONNECT:
03273 case EVENT_RETRIEVE_ACKNOWLEDGE:
03274
03275 if (stack->nt) {
03276 if (bc->channel <=0 ) {
03277 if (!find_free_chan_in_stack(stack, bc, 0,0)) {
03278 cb_log(0, stack->port, " No free channel at the moment\n");
03279
03280 RETURN(-ENOCHAN,OUT);
03281 }
03282
03283 if (set_chan_in_stack(stack ,bc->channel)<0) {
03284
03285 RETURN(-ENOCHAN,OUT);
03286 }
03287 }
03288
03289 }
03290
03291 retval=setup_bc(bc);
03292 if (retval == -EINVAL) {
03293 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03294 }
03295
03296 if (misdn_cap_is_speech(bc->capability)) {
03297 if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03298 if ( *bc->crypt_key ) {
03299 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);
03300
03301 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03302 }
03303
03304 if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03305 manager_ec_enable(bc);
03306
03307 if (bc->txgain != 0) {
03308 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03309 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03310 }
03311
03312 if ( bc->rxgain != 0 ) {
03313 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03314 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03315 }
03316 }
03317 }
03318 break;
03319
03320 case EVENT_HOLD_ACKNOWLEDGE:
03321 {
03322 struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03323 if (!holded_bc) {
03324 cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03325 RETURN(-1,OUT);
03326 }
03327
03328
03329 memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03330 holded_bc->holded=1;
03331 bc_state_change(holded_bc,BCHAN_CLEANED);
03332
03333 stack_holder_add(stack,holded_bc);
03334
03335
03336 if (stack->nt) {
03337 if (bc->bc_state == BCHAN_BRIDGED) {
03338 misdn_split_conf(bc,bc->conf_id);
03339 struct misdn_bchannel *bc2=find_bc_by_confid(bc->conf_id);
03340 if (!bc2) {
03341 cb_log(0,bc->port,"We have no second bc in bridge???\n");
03342 } else {
03343 misdn_split_conf(bc2,bc->conf_id);
03344 }
03345 }
03346
03347 if (bc->channel>0)
03348 empty_chan_in_stack(stack,bc->channel);
03349 empty_bc(bc);
03350 clean_up_bc(bc);
03351 }
03352
03353 }
03354 break;
03355
03356
03357 case EVENT_DISCONNECT:
03358 if (!bc->need_disconnect) {
03359 cb_log(0,bc->port," --> we have already send Disconnect\n");
03360 RETURN(-1,OUT);
03361 }
03362
03363 bc->need_disconnect=0;
03364 break;
03365 case EVENT_RELEASE:
03366 if (!bc->need_release) {
03367 cb_log(0,bc->port," --> we have already send Release\n");
03368 RETURN(-1,OUT);
03369 }
03370 bc->need_disconnect=0;
03371 bc->need_release=0;
03372 break;
03373 case EVENT_RELEASE_COMPLETE:
03374 if (!bc->need_release_complete) {
03375 cb_log(0,bc->port," --> we have already send Release_complete\n");
03376 RETURN(-1,OUT);
03377 }
03378 bc->need_disconnect=0;
03379 bc->need_release=0;
03380 bc->need_release_complete=0;
03381
03382 if (!stack->nt) {
03383
03384 if (bc->channel>0)
03385 empty_chan_in_stack(stack,bc->channel);
03386 int tmpcause=bc->cause;
03387 int tmp_out_cause=bc->out_cause;
03388 empty_bc(bc);
03389 bc->cause=tmpcause;
03390 bc->out_cause=tmp_out_cause;
03391 clean_up_bc(bc);
03392 }
03393 break;
03394
03395 case EVENT_CONNECT_ACKNOWLEDGE:
03396
03397 if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03398 int retval=setup_bc(bc);
03399 if (retval == -EINVAL){
03400 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03401
03402 }
03403 }
03404
03405 if (misdn_cap_is_speech(bc->capability)) {
03406 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03407 manager_ec_enable(bc);
03408
03409 if ( bc->txgain != 0 ) {
03410 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03411 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03412 }
03413 if ( bc->rxgain != 0 ) {
03414 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03415 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03416 }
03417 }
03418 break;
03419
03420 default:
03421 break;
03422 }
03423
03424
03425 msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03426 msg_queue_tail(&stack->downqueue, msg);
03427 sem_post(&glob_mgr->new_msg);
03428
03429 OUT:
03430 misdn_send_unlock(bc);
03431
03432 OUT_POST_UNLOCK:
03433 return retval;
03434 }
03435
03436
03437 static int handle_err(msg_t *msg)
03438 {
03439 iframe_t *frm = (iframe_t*) msg->data;
03440
03441
03442 if (!frm->addr) {
03443 static int cnt=0;
03444 if (!cnt)
03445 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03446 cnt++;
03447 if (cnt>100) {
03448 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03449 cnt=0;
03450 }
03451
03452 free_msg(msg);
03453 return 1;
03454
03455 }
03456
03457 switch (frm->prim) {
03458 case MGR_SETSTACK|INDICATION:
03459 return handle_bchan(msg);
03460 break;
03461
03462 case MGR_SETSTACK|CONFIRM:
03463 case MGR_CLEARSTACK|CONFIRM:
03464 free_msg(msg) ;
03465 return 1;
03466 break;
03467
03468 case DL_DATA|CONFIRM:
03469 cb_log(4,0,"DL_DATA|CONFIRM\n");
03470 free_msg(msg);
03471 return 1;
03472
03473 case PH_CONTROL|CONFIRM:
03474 cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03475 free_msg(msg);
03476 return 1;
03477
03478 case DL_DATA|INDICATION:
03479 {
03480 int port=(frm->addr&MASTER_ID_MASK) >> 8;
03481 int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03482
03483
03484
03485 cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03486
03487 free_msg(msg) ;
03488 return 1;
03489
03490
03491 struct misdn_bchannel *bc=find_bc_by_channel( port , channel);
03492
03493 if (!bc) {
03494 struct misdn_stack *stack=find_stack_by_port( port );
03495
03496 if (!stack) {
03497 cb_log(0,0," --> stack not found\n");
03498 free_msg(msg);
03499 return 1;
03500 }
03501
03502 cb_log(0,0," --> bc not found by channel\n");
03503 if (stack->l2link)
03504 misdn_lib_get_l2_down(stack);
03505
03506 if (stack->l1link)
03507 misdn_lib_get_l1_down(stack);
03508
03509 free_msg(msg);
03510 return 1;
03511 }
03512
03513 cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03514 }
03515 }
03516
03517 return 0;
03518 }
03519
03520 #if 0
03521 static int queue_l2l3(msg_t *msg)
03522 {
03523 iframe_t *frm= (iframe_t*)msg->data;
03524 struct misdn_stack *stack;
03525 stack=find_stack_by_addr( frm->addr );
03526
03527
03528 if (!stack) {
03529 return 0;
03530 }
03531
03532 msg_queue_tail(&stack->upqueue, msg);
03533 sem_post(&glob_mgr->new_msg);
03534 return 1;
03535 }
03536 #endif
03537
03538 int manager_isdn_handler(iframe_t *frm ,msg_t *msg)
03539 {
03540
03541 if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03542 cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03543 }
03544
03545 if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03546 if (handle_bchan(msg)) {
03547 return 0 ;
03548 }
03549 }
03550
03551 #ifdef RECV_FRM_SYSLOG_DEBUG
03552 syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03553 #endif
03554
03555 if (handle_timers(msg))
03556 return 0 ;
03557
03558
03559 if (handle_mgmt(msg))
03560 return 0 ;
03561
03562 if (handle_l2(msg))
03563 return 0 ;
03564
03565
03566 if (handle_l1(msg))
03567 return 0 ;
03568
03569 if (handle_frm_nt(msg)) {
03570 return 0;
03571 }
03572
03573 if (handle_frm(msg)) {
03574 return 0;
03575 }
03576
03577 if (handle_err(msg)) {
03578 return 0 ;
03579 }
03580
03581 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);
03582 free_msg(msg);
03583
03584
03585 return 0;
03586 }
03587
03588
03589
03590
03591 int misdn_lib_get_port_info(int port)
03592 {
03593 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03594 iframe_t *frm;
03595 struct misdn_stack *stack=find_stack_by_port(port);
03596 if (!msg) {
03597 cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03598 return -1;
03599 }
03600 frm=(iframe_t*)msg->data;
03601 if (!stack ) {
03602 cb_log(0, port, "There is no Stack for this port.\n");
03603 return -1;
03604 }
03605
03606 frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03607
03608 frm->addr = stack->upper_id| FLG_MSG_DOWN;
03609
03610 frm->dinfo = 0;
03611 frm->len = 0;
03612
03613 msg_queue_tail(&glob_mgr->activatequeue, msg);
03614 sem_post(&glob_mgr->new_msg);
03615
03616
03617 return 0;
03618 }
03619
03620
03621 int queue_cleanup_bc(struct misdn_bchannel *bc)
03622 {
03623 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03624 iframe_t *frm;
03625 if (!msg) {
03626 cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03627 return -1;
03628 }
03629 frm=(iframe_t*)msg->data;
03630
03631
03632 frm->prim = MGR_CLEARSTACK| REQUEST;
03633
03634 frm->addr = bc->l3_id;
03635
03636 frm->dinfo = bc->port;
03637 frm->len = 0;
03638
03639 msg_queue_tail(&glob_mgr->activatequeue, msg);
03640 sem_post(&glob_mgr->new_msg);
03641
03642 return 0;
03643
03644 }
03645
03646 int misdn_lib_pid_restart(int pid)
03647 {
03648 struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03649
03650 if (bc) {
03651 manager_clean_bc(bc);
03652 }
03653 return 0;
03654 }
03655
03656
03657 int misdn_lib_send_restart(int port)
03658 {
03659 struct misdn_stack *stack=find_stack_by_port(port);
03660 cb_log(0, port, "Sending Restarts on this port.\n");
03661
03662 struct misdn_bchannel dummybc;
03663 memset (&dummybc,0,sizeof(dummybc));
03664 dummybc.port=stack->port;
03665 dummybc.l3_id=MISDN_ID_GLOBAL;
03666 dummybc.nt=stack->nt;
03667
03668 int max=stack->pri?30:2;
03669 int i;
03670 for (i=1;i<=max;i++) {
03671 dummybc.channel=i;
03672 cb_log(0, port, "Restarting channel %d\n",i);
03673 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03674
03675 }
03676
03677 return 0;
03678 }
03679
03680
03681 int misdn_lib_port_restart(int port)
03682 {
03683 struct misdn_stack *stack=find_stack_by_port(port);
03684
03685 cb_log(0, port, "Restarting this port.\n");
03686 if (stack) {
03687 cb_log(0, port, "Stack:%p\n",stack);
03688
03689 clear_l3(stack);
03690 {
03691 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03692 iframe_t *frm;
03693
03694 if (!msg) {
03695 cb_log(0, port, "port_restart: alloc_msg failed\n");
03696 return -1;
03697 }
03698
03699 frm=(iframe_t*)msg->data;
03700
03701
03702 frm->prim = DL_RELEASE | REQUEST;
03703 frm->addr = stack->upper_id | FLG_MSG_DOWN;
03704
03705 frm->dinfo = 0;
03706 frm->len = 0;
03707 msg_queue_tail(&glob_mgr->activatequeue, msg);
03708 sem_post(&glob_mgr->new_msg);
03709 }
03710
03711 if (stack->nt)
03712 misdn_lib_reinit_nt_stack(stack->port);
03713
03714 }
03715
03716 return 0;
03717 }
03718
03719
03720
03721 sem_t handler_started;
03722
03723 static void manager_event_handler(void *arg)
03724 {
03725 sem_post(&handler_started);
03726 while (1) {
03727 struct misdn_stack *stack;
03728 msg_t *msg;
03729
03730
03731 sem_wait(&glob_mgr->new_msg);
03732
03733 for (msg=msg_dequeue(&glob_mgr->activatequeue);
03734 msg;
03735 msg=msg_dequeue(&glob_mgr->activatequeue)
03736 )
03737 {
03738
03739 iframe_t *frm = (iframe_t*) msg->data ;
03740
03741 switch ( frm->prim) {
03742
03743 case MGR_CLEARSTACK | REQUEST:
03744
03745 {
03746 struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03747 if (!stack) {
03748 cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03749 free_msg(msg);
03750 break;
03751 }
03752
03753 struct misdn_bchannel *bc=find_bc_by_l3id(stack,frm->addr);
03754 if (bc) {
03755 cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03756 clean_up_bc(bc);
03757 } else {
03758 cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03759 }
03760 }
03761 free_msg(msg);
03762 break;
03763 case MGR_SETSTACK | REQUEST :
03764 break;
03765 default:
03766 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03767 free_msg(msg);
03768 }
03769 }
03770
03771 for (stack=glob_mgr->stack_list;
03772 stack;
03773 stack=stack->next ) {
03774
03775 while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03776
03777 if (!handle_frm_nt(msg)) {
03778
03779 if (!handle_frm(msg)) {
03780
03781 cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03782 }
03783 }
03784 }
03785
03786
03787
03788
03789
03790
03791 while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03792 if (stack->nt ) {
03793 if (stack->nst.manager_l3(&stack->nst, msg))
03794 cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03795
03796 } else {
03797 iframe_t *frm = (iframe_t *)msg->data;
03798 struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03799 if (bc) send_msg(glob_mgr->midev, bc, msg);
03800 else {
03801 if (frm->dinfo == MISDN_ID_GLOBAL) {
03802 struct misdn_bchannel dummybc;
03803 memset (&dummybc,0,sizeof(dummybc));
03804 dummybc.port=stack->port;
03805 dummybc.l3_id=MISDN_ID_GLOBAL;
03806 dummybc.nt=stack->nt;
03807 send_msg(glob_mgr->midev, &dummybc, msg);
03808 }
03809 }
03810 }
03811 }
03812 }
03813 }
03814 }
03815
03816
03817 int misdn_lib_maxports_get() {
03818
03819 int i = mISDN_open();
03820 int max=0;
03821
03822 if (i<0)
03823 return -1;
03824
03825 max = mISDN_get_stack_count(i);
03826
03827 mISDN_close(i);
03828
03829 return max;
03830 }
03831
03832
03833 void misdn_lib_nt_debug_init( int flags, char *file )
03834 {
03835 int static init=0;
03836 char *f;
03837
03838 if (!flags)
03839 f=NULL;
03840 else
03841 f=file;
03842
03843 if (!init) {
03844 debug_init( flags , f, f, f);
03845 init=1;
03846 } else {
03847 debug_close();
03848 debug_init( flags , f, f, f);
03849 }
03850 }
03851
03852
03853 int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data)
03854 {
03855 struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
03856 char *tok, *tokb;
03857 char plist[1024];
03858 int midev;
03859 int port_count=0;
03860
03861 cb_log = iface->cb_log;
03862 cb_event = iface->cb_event;
03863 cb_jb_empty = iface->cb_jb_empty;
03864
03865 glob_mgr = mgr;
03866
03867 msg_init();
03868
03869 misdn_lib_nt_debug_init(0,NULL);
03870
03871 if (!portlist || (*portlist == 0) ) return 1;
03872
03873 init_flip_bits();
03874
03875 {
03876 strncpy(plist,portlist, 1024);
03877 plist[1023] = 0;
03878 }
03879
03880 memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
03881 flip_buf_bits(tone_425_flip,TONE_425_SIZE);
03882
03883 memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
03884 flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
03885
03886 midev=te_lib_init();
03887 mgr->midev=midev;
03888
03889 port_count=mISDN_get_stack_count(midev);
03890
03891 msg_queue_init(&mgr->activatequeue);
03892
03893 if (sem_init(&mgr->new_msg, 1, 0)<0)
03894 sem_init(&mgr->new_msg, 0, 0);
03895
03896 for (tok=strtok_r(plist," ,",&tokb );
03897 tok;
03898 tok=strtok_r(NULL," ,",&tokb)) {
03899 int port = atoi(tok);
03900 struct misdn_stack *stack;
03901 static int first=1;
03902 int ptp=0;
03903
03904 if (strstr(tok, "ptp"))
03905 ptp=1;
03906
03907 if (port > port_count) {
03908 cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
03909 exit(1);
03910 }
03911 stack=stack_init(midev, port, ptp);
03912
03913 if (!stack) {
03914 perror("init_stack");
03915 exit(1);
03916 }
03917
03918 {
03919 int i;
03920 for(i=0;i<=stack->b_num; i++) {
03921 int r;
03922 if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
03923 cb_log(0, port, "Got Err @ init_bc :%d\n",r);
03924 exit(1);
03925 }
03926 }
03927 }
03928
03929 if (stack && first) {
03930 mgr->stack_list=stack;
03931 first=0;
03932 continue;
03933 }
03934
03935 if (stack) {
03936 struct misdn_stack * help;
03937 for ( help=mgr->stack_list; help; help=help->next )
03938 if (help->next == NULL) break;
03939 help->next=stack;
03940 }
03941
03942 }
03943
03944 if (sem_init(&handler_started, 1, 0)<0)
03945 sem_init(&handler_started, 0, 0);
03946
03947 cb_log(8, 0, "Starting Event Handler\n");
03948 pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
03949
03950 sem_wait(&handler_started) ;
03951 cb_log(8, 0, "Starting Event Catcher\n");
03952 pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
03953
03954 cb_log(8, 0, "Event Catcher started\n");
03955
03956 global_state= MISDN_INITIALIZED;
03957
03958 return (mgr == NULL);
03959 }
03960
03961 void misdn_lib_destroy()
03962 {
03963 struct misdn_stack *help;
03964 int i;
03965
03966 for ( help=glob_mgr->stack_list; help; help=help->next ) {
03967 for(i=0;i<=help->b_num; i++) {
03968 char buf[1024];
03969 mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03970 help->bc[i].addr = 0;
03971 }
03972 cb_log (1, help->port, "Destroying this port.\n");
03973 stack_destroy(help);
03974 }
03975
03976 if (global_state == MISDN_INITIALIZED) {
03977 cb_log(4, 0, "Killing Handler Thread\n");
03978 if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
03979 cb_log(4, 0, "Joining Handler Thread\n");
03980 pthread_join(glob_mgr->event_handler_thread, NULL);
03981 }
03982
03983 cb_log(4, 0, "Killing Main Thread\n");
03984 if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
03985 cb_log(4, 0, "Joining Main Thread\n");
03986 pthread_join(glob_mgr->event_thread, NULL);
03987 }
03988 }
03989
03990 cb_log(1, 0, "Closing mISDN device\n");
03991 te_lib_destroy(glob_mgr->midev);
03992 }
03993
03994 char *manager_isdn_get_info(enum event_e event)
03995 {
03996 return isdn_get_info(msgs_g , event, 0);
03997 }
03998
03999 void manager_bchannel_activate(struct misdn_bchannel *bc)
04000 {
04001 char buf[128];
04002
04003 struct misdn_stack *stack=get_stack_by_bc(bc);
04004
04005 if (!stack) {
04006 cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04007 return ;
04008 }
04009
04010
04011 clear_ibuffer(bc->astbuf);
04012
04013 cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04014
04015 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04016
04017 return ;
04018 }
04019
04020
04021 void manager_bchannel_deactivate(struct misdn_bchannel * bc)
04022 {
04023
04024 struct misdn_stack *stack=get_stack_by_bc(bc);
04025
04026
04027 switch (bc->bc_state) {
04028 case BCHAN_ACTIVATED:
04029 break;
04030 case BCHAN_BRIDGED:
04031 misdn_split_conf(bc,bc->conf_id);
04032 break;
04033 default:
04034 cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04035 return ;
04036
04037 }
04038
04039 cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04040
04041 bc->generate_tone=0;
04042
04043 iframe_t dact;
04044 dact.prim = DL_RELEASE | REQUEST;
04045 dact.addr = bc->addr | FLG_MSG_DOWN;
04046 dact.dinfo = 0;
04047 dact.len = 0;
04048 char buf[128];
04049 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04050
04051 clear_ibuffer(bc->astbuf);
04052
04053 bc_state_change(bc,BCHAN_RELEASE);
04054
04055 return;
04056 }
04057
04058
04059 int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len)
04060 {
04061 struct misdn_stack *stack=get_stack_by_bc(bc);
04062
04063 switch (bc->bc_state) {
04064 case BCHAN_ACTIVATED:
04065 case BCHAN_BRIDGED:
04066 break;
04067 default:
04068 cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04069 return -1;
04070 }
04071
04072 char buf[4096 + mISDN_HEADER_LEN];
04073 iframe_t *frm= (iframe_t*)buf;
04074 int r;
04075
04076 frm->prim = DL_DATA|REQUEST;
04077 frm->dinfo = 0;
04078 frm->addr = bc->addr | FLG_MSG_DOWN ;
04079
04080 frm->len = len;
04081 memcpy(&buf[mISDN_HEADER_LEN], data,len);
04082
04083 if ( misdn_cap_is_speech(bc->capability) )
04084 flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04085 else
04086 cb_log(6, stack->port, "Writing %d data bytes\n",len);
04087
04088 cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04089 r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04090 return 0;
04091 }
04092
04093
04094
04095
04096
04097
04098 void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2)
04099 {
04100 unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04101 iframe_t *ctrl = (iframe_t *)buffer;
04102 unsigned int *d = (unsigned int*)&ctrl->data.p;
04103
04104
04105 cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04106
04107 ctrl->prim = PH_CONTROL | REQUEST;
04108 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04109 ctrl->dinfo = 0;
04110 ctrl->len = sizeof(unsigned int)*2;
04111 *d++ = c1;
04112 *d++ = c2;
04113 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04114 }
04115
04116
04117
04118
04119 void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
04120 {
04121 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04122 }
04123
04124 void isdn_lib_update_txgain (struct misdn_bchannel *bc)
04125 {
04126 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04127 }
04128
04129 void isdn_lib_update_ec (struct misdn_bchannel *bc)
04130 {
04131 #ifdef MISDN_1_2
04132 if (*bc->pipeline)
04133 #else
04134 if (bc->ec_enable)
04135 #endif
04136 manager_ec_enable(bc);
04137 else
04138 manager_ec_disable(bc);
04139 }
04140
04141 void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
04142 {
04143 manager_ph_control(bc, DTMF_TONE_STOP, 0);
04144 }
04145
04146
04147
04148
04149 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
04150 {
04151 unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04152 iframe_t *ctrl = (iframe_t *)buffer;
04153 unsigned int *d = (unsigned int *)&ctrl->data.p;
04154
04155
04156 ctrl->prim = PH_CONTROL | REQUEST;
04157 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04158 ctrl->dinfo = 0;
04159 ctrl->len = sizeof(unsigned int) + c2_len;
04160 *d++ = c1;
04161 memcpy(d, c2, c2_len);
04162 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04163 }
04164
04165
04166
04167
04168 void manager_clean_bc(struct misdn_bchannel *bc )
04169 {
04170 struct misdn_stack *stack=get_stack_by_bc(bc);
04171
04172 if (bc->channel>0)
04173 empty_chan_in_stack(stack, bc->channel);
04174 empty_bc(bc);
04175
04176 cb_event(EVENT_CLEANUP, bc, NULL);
04177 }
04178
04179
04180 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder)
04181 {
04182 struct misdn_bchannel *help;
04183 cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04184
04185 holder->stack_holder=1;
04186
04187 if (!stack ) return ;
04188
04189 holder->next=NULL;
04190
04191 if (!stack->holding) {
04192 stack->holding = holder;
04193 return;
04194 }
04195
04196 for (help=stack->holding;
04197 help;
04198 help=help->next) {
04199 if (!help->next) {
04200 help->next=holder;
04201 break;
04202 }
04203 }
04204
04205 }
04206
04207 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder)
04208 {
04209 struct misdn_bchannel *h1;
04210
04211 if (!holder->stack_holder) return;
04212
04213 holder->stack_holder=0;
04214
04215 cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04216 if (!stack || ! stack->holding) return;
04217
04218 if (holder == stack->holding) {
04219 stack->holding = stack->holding->next;
04220 return;
04221 }
04222
04223 for (h1=stack->holding;
04224 h1;
04225 h1=h1->next) {
04226 if (h1->next == holder) {
04227 h1->next=h1->next->next;
04228 return ;
04229 }
04230 }
04231 }
04232
04233 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan)
04234 {
04235 struct misdn_bchannel *help;
04236
04237 cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04238
04239 if (!stack) return NULL;
04240
04241 for (help=stack->holding;
04242 help;
04243 help=help->next) {
04244 if (help->channel == chan) {
04245 cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04246 return help;
04247 }
04248 }
04249
04250 cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04251 return NULL;
04252
04253 }
04254
04255 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id)
04256 {
04257 struct misdn_bchannel *help;
04258
04259 cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id);
04260
04261 if (!stack) return NULL;
04262
04263 for (help=stack->holding;
04264 help;
04265 help=help->next) {
04266 if (help->l3_id == l3id) {
04267 cb_log(4,stack->port, "*HOLDER: found bc\n");
04268 return help;
04269 }
04270 }
04271
04272 cb_log(4,stack->port, "*HOLDER: find nothing\n");
04273 return NULL;
04274 }
04275
04276
04277
04278 void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone)
04279 {
04280
04281 switch(tone) {
04282 case TONE_DIAL:
04283 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04284 break;
04285
04286 case TONE_ALERTING:
04287 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04288 break;
04289
04290 case TONE_HANGUP:
04291 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04292 break;
04293
04294 case TONE_NONE:
04295 default:
04296 manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04297 }
04298
04299 char buf[mISDN_HEADER_LEN+128];
04300 iframe_t *frm=(iframe_t*)buf;
04301 memset(buf,0,mISDN_HEADER_LEN+128);
04302
04303 frm->prim=DL_DATA|REQUEST;
04304 frm->addr=bc->addr|FLG_MSG_DOWN;
04305 frm->dinfo=0;
04306 frm->len=128;
04307
04308 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04309 }
04310
04311
04312 void manager_ec_enable(struct misdn_bchannel *bc)
04313 {
04314 struct misdn_stack *stack=get_stack_by_bc(bc);
04315
04316 cb_log(4, stack?stack->port:0,"ec_enable\n");
04317
04318 if (!misdn_cap_is_speech(bc->capability)) {
04319 cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04320 } else {
04321
04322 #ifdef MISDN_1_2
04323 if (*bc->pipeline) {
04324 cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04325 manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04326 }
04327 #else
04328 int ec_arr[2];
04329
04330 if (bc->ec_enable) {
04331 cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04332
04333 switch (bc->ec_deftaps) {
04334 case 4:
04335 case 8:
04336 case 16:
04337 case 32:
04338 case 64:
04339 case 128:
04340 case 256:
04341 case 512:
04342 case 1024:
04343 cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04344 break;
04345 default:
04346 cb_log(0, stack->port, "Taps should be power of 2\n");
04347 bc->ec_deftaps=128;
04348 }
04349
04350 ec_arr[0]=bc->ec_deftaps;
04351 ec_arr[1]=0;
04352
04353 manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr));
04354 }
04355 #endif
04356 }
04357 }
04358
04359
04360
04361 void manager_ec_disable(struct misdn_bchannel *bc)
04362 {
04363 struct misdn_stack *stack=get_stack_by_bc(bc);
04364
04365 cb_log(4, stack?stack->port:0," --> ec_disable\n");
04366
04367 if (!misdn_cap_is_speech(bc->capability)) {
04368 cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04369 return;
04370 }
04371
04372 #ifdef MISDN_1_2
04373 manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04374 #else
04375 if ( ! bc->ec_enable) {
04376 cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04377 manager_ph_control(bc, ECHOCAN_OFF, 0);
04378 }
04379 #endif
04380 }
04381
04382 struct misdn_stack* get_misdn_stack() {
04383 return glob_mgr->stack_list;
04384 }
04385
04386
04387
04388 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id)
04389 {
04390 bc_state_change(bc,BCHAN_BRIDGED);
04391 manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04392 manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04393
04394 cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04395
04396 char data[16];
04397 int len=15;
04398
04399 memset(data,0,15);
04400
04401 misdn_lib_tx2misdn_frm(bc, data, len);
04402
04403 }
04404
04405
04406 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id)
04407 {
04408 bc_state_change(bc,BCHAN_ACTIVATED);
04409 manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04410 manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04411
04412 cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04413 }
04414
04415 void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) {
04416 int conf_id=bc1->pid +1;
04417
04418 cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04419
04420 struct misdn_bchannel *bc_list[]={
04421 bc1,bc2,NULL
04422 };
04423 struct misdn_bchannel **bc;
04424
04425 for (bc=bc_list; *bc; bc++) {
04426 (*bc)->conf_id=conf_id;
04427 cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04428
04429 switch((*bc)->bc_state) {
04430 case BCHAN_ACTIVATED:
04431 misdn_join_conf(*bc,conf_id);
04432 break;
04433 default:
04434 bc_next_state_change(*bc,BCHAN_BRIDGED);
04435 break;
04436 }
04437 }
04438 }
04439
04440 void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04441 {
04442
04443 struct misdn_bchannel *bc_list[]={
04444 bc1,bc2,NULL
04445 };
04446 struct misdn_bchannel **bc;
04447
04448 for (bc=bc_list; *bc; bc++) {
04449 if ( (*bc)->bc_state == BCHAN_BRIDGED){
04450 misdn_split_conf( *bc, (*bc)->conf_id);
04451 } else {
04452 cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04453 }
04454 }
04455
04456 }
04457
04458
04459
04460 void misdn_lib_echo(struct misdn_bchannel *bc, int onoff)
04461 {
04462 cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04463 manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04464 }
04465
04466
04467
04468 void misdn_lib_reinit_nt_stack(int port)
04469 {
04470 struct misdn_stack *stack=find_stack_by_port(port);
04471
04472 if (stack) {
04473 stack->l2link=0;
04474 stack->blocked=0;
04475
04476 cleanup_Isdnl3(&stack->nst);
04477 cleanup_Isdnl2(&stack->nst);
04478
04479
04480 memset(&stack->nst, 0, sizeof(net_stack_t));
04481 memset(&stack->mgr, 0, sizeof(manager_t));
04482
04483 stack->mgr.nst = &stack->nst;
04484 stack->nst.manager = &stack->mgr;
04485
04486 stack->nst.l3_manager = handle_event_nt;
04487 stack->nst.device = glob_mgr->midev;
04488 stack->nst.cardnr = port;
04489 stack->nst.d_stid = stack->d_stid;
04490
04491 stack->nst.feature = FEATURE_NET_HOLD;
04492 if (stack->ptp)
04493 stack->nst.feature |= FEATURE_NET_PTP;
04494 if (stack->pri)
04495 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04496
04497 stack->nst.l1_id = stack->lower_id;
04498 stack->nst.l2_id = stack->upper_id;
04499
04500 msg_queue_init(&stack->nst.down_queue);
04501
04502 Isdnl2Init(&stack->nst);
04503 Isdnl3Init(&stack->nst);
04504
04505 if (!stack->ptp)
04506 misdn_lib_get_l1_up(stack);
04507 misdn_lib_get_l2_up(stack);
04508 }
04509 }
04510
04511