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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 static int set_chan_in_stack(struct misdn_stack *stack, int channel);
00031
00032 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh);
00033
00034 int misdn_lib_port_is_pri(int port)
00035 {
00036 struct misdn_stack *stack=get_misdn_stack();
00037 for ( ; stack; stack=stack->next) {
00038 if (stack->port == port) {
00039 return stack->pri;
00040 }
00041 }
00042
00043 return -1;
00044 }
00045
00046 static void make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel)
00047 {
00048 memset (dummybc,0,sizeof(struct misdn_bchannel));
00049 dummybc->port=port;
00050 dummybc->l3_id=l3id;
00051 dummybc->nt=nt;
00052 dummybc->dummy=1;
00053 dummybc->channel=channel;
00054 }
00055
00056 int misdn_lib_port_block(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=1;
00062 return 0;
00063 }
00064 }
00065 return -1;
00066
00067 }
00068
00069 int misdn_lib_port_unblock(int port)
00070 {
00071 struct misdn_stack *stack=get_misdn_stack();
00072 for ( ; stack; stack=stack->next) {
00073 if (stack->port == port) {
00074 stack->blocked=0;
00075 return 0;
00076 }
00077 }
00078 return -1;
00079
00080 }
00081
00082 int misdn_lib_is_port_blocked(int port)
00083 {
00084 struct misdn_stack *stack=get_misdn_stack();
00085 for ( ; stack; stack=stack->next) {
00086 if (stack->port == port) {
00087 return stack->blocked;
00088 }
00089 }
00090 return -1;
00091 }
00092
00093 int misdn_lib_is_ptp(int port)
00094 {
00095 struct misdn_stack *stack=get_misdn_stack();
00096 for ( ; stack; stack=stack->next) {
00097 if (stack->port == port) return stack->ptp;
00098 }
00099 return -1;
00100 }
00101
00102 int misdn_lib_get_maxchans(int port)
00103 {
00104 struct misdn_stack *stack=get_misdn_stack();
00105 for ( ; stack; stack=stack->next) {
00106 if (stack->port == port) {
00107 if (stack->pri)
00108 return 30;
00109 else
00110 return 2;
00111 }
00112 }
00113 return -1;
00114 }
00115
00116
00117 struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc)
00118 {
00119 struct misdn_stack *stack=get_misdn_stack();
00120
00121 if (!bc) return NULL;
00122
00123 for ( ; stack; stack=stack->next) {
00124 int i;
00125 for (i=0; i <=stack->b_num; i++) {
00126 if ( bc->port == stack->port) return stack;
00127 }
00128 }
00129
00130 return NULL;
00131 }
00132
00133
00134 void get_show_stack_details(int port, char *buf)
00135 {
00136 struct misdn_stack *stack=get_misdn_stack();
00137
00138 for ( ; stack; stack=stack->next) {
00139 if (stack->port == port) break;
00140 }
00141
00142 if (stack) {
00143 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);
00144
00145 } else {
00146 buf[0]=0;
00147 }
00148
00149 }
00150
00151
00152 static int nt_err_cnt =0 ;
00153
00154 enum global_states {
00155 MISDN_INITIALIZING,
00156 MISDN_INITIALIZED
00157 } ;
00158
00159 static enum global_states global_state=MISDN_INITIALIZING;
00160
00161
00162 #include <mISDNuser/net_l2.h>
00163 #include <mISDNuser/tone.h>
00164 #include <unistd.h>
00165 #include <semaphore.h>
00166 #include <pthread.h>
00167 #include <signal.h>
00168
00169 #include "isdn_lib.h"
00170
00171
00172 struct misdn_lib {
00173 int midev;
00174 int midev_nt;
00175
00176 pthread_t event_thread;
00177 pthread_t event_handler_thread;
00178
00179 void *user_data;
00180
00181 msg_queue_t upqueue;
00182 msg_queue_t activatequeue;
00183
00184 sem_t new_msg;
00185
00186 struct misdn_stack *stack_list;
00187 } ;
00188
00189 #ifndef ECHOCAN_ON
00190 #define ECHOCAN_ON 123
00191 #define ECHOCAN_OFF 124
00192 #endif
00193
00194 #define MISDN_DEBUG 0
00195
00196 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
00197
00198 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
00199
00200 struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
00201
00202 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan);
00203
00204 int setup_bc(struct misdn_bchannel *bc);
00205
00206 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
00207
00208 int misdn_lib_port_restart(int port);
00209 int misdn_lib_pid_restart(int pid);
00210
00211 extern struct isdn_msg msgs_g[];
00212
00213 #define ISDN_PID_L3_B_USER 0x430000ff
00214 #define ISDN_PID_L4_B_USER 0x440000ff
00215
00216
00217 #define MISDN_IBUF_SIZE 512
00218
00219
00220 #define TONE_ALERT_CNT 41
00221 #define TONE_ALERT_SILENCE_CNT 200
00222
00223 #define TONE_BUSY_CNT 20
00224 #define TONE_BUSY_SILENCE_CNT 48
00225
00226 static int entity;
00227
00228 static struct misdn_lib *glob_mgr;
00229
00230 char tone_425_flip[TONE_425_SIZE];
00231 char tone_silence_flip[TONE_SILENCE_SIZE];
00232
00233 static void misdn_lib_isdn_event_catcher(void *arg);
00234 static int handle_event_nt(void *dat, void *arg);
00235
00236
00237 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder);
00238 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder);
00239 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id);
00240
00241
00242 int init_bc(struct misdn_stack * stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime);
00243 struct misdn_stack* stack_init(int midev, int port, int ptp);
00244 void stack_destroy(struct misdn_stack* stack);
00245
00246 int te_lib_init( void ) ;
00247 void te_lib_destroy(int midev) ;
00248 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
00249 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc);
00250 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
00251 void manager_clean_bc(struct misdn_bchannel *bc );
00252 void manager_bchannel_setup (struct misdn_bchannel *bc);
00253 void manager_bchannel_cleanup (struct misdn_bchannel *bc);
00254
00255 void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size);
00256
00257 int bchdev_echocancel_activate(struct misdn_bchannel* dev);
00258 void bchdev_echocancel_deactivate(struct misdn_bchannel* dev);
00259
00260
00261
00262 static char *bearer2str(int cap) {
00263 static char *bearers[]={
00264 "Speech",
00265 "Audio 3.1k",
00266 "Unres Digital",
00267 "Res Digital",
00268 "Unknown Bearer"
00269 };
00270
00271 switch (cap) {
00272 case INFO_CAPABILITY_SPEECH:
00273 return bearers[0];
00274 break;
00275 case INFO_CAPABILITY_AUDIO_3_1K:
00276 return bearers[1];
00277 break;
00278 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00279 return bearers[2];
00280 break;
00281 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00282 return bearers[3];
00283 break;
00284 default:
00285 return bearers[4];
00286 break;
00287 }
00288 }
00289
00290
00291 static char flip_table[256];
00292
00293 static void init_flip_bits(void)
00294 {
00295 int i,k;
00296
00297 for (i = 0 ; i < 256 ; i++) {
00298 unsigned char sample = 0 ;
00299 for (k = 0; k<8; k++) {
00300 if ( i & 1 << k ) sample |= 0x80 >> k;
00301 }
00302 flip_table[i] = sample;
00303 }
00304 }
00305
00306 static char * flip_buf_bits ( char * buf , int len)
00307 {
00308 int i;
00309 char * start = buf;
00310
00311 for (i = 0 ; i < len; i++) {
00312 buf[i] = flip_table[(unsigned char)buf[i]];
00313 }
00314
00315 return start;
00316 }
00317
00318
00319
00320
00321 static msg_t *create_l2msg(int prim, int dinfo, int size)
00322 {
00323 int i = 0;
00324 msg_t *dmsg;
00325
00326 while(i < 10)
00327 {
00328 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00329 if (dmsg)
00330 return(dmsg);
00331
00332 if (!i)
00333 printf("cannot allocate memory, trying again...\n");
00334 i++;
00335 usleep(300000);
00336 }
00337 printf("cannot allocate memory, system overloaded.\n");
00338 exit(-1);
00339 }
00340
00341
00342
00343 msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode)
00344 {
00345 int i = 0;
00346 msg_t *dmsg;
00347 Q931_info_t *qi;
00348 iframe_t *frm;
00349
00350 if (!ntmode)
00351 size = sizeof(Q931_info_t)+2;
00352
00353 while(i < 10) {
00354 if (ntmode) {
00355 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00356 if (dmsg) {
00357 return(dmsg);
00358 }
00359 } else {
00360 dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00361 if (dmsg)
00362 {
00363 memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00364 frm = (iframe_t *)dmsg->data;
00365 frm->prim = prim;
00366 frm->dinfo = dinfo;
00367 qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00368 qi->type = mt;
00369 return(dmsg);
00370 }
00371 }
00372
00373 if (!i) printf("cannot allocate memory, trying again...\n");
00374 i++;
00375 usleep(300000);
00376 }
00377 printf("cannot allocate memory, system overloaded.\n");
00378 exit(-1);
00379 }
00380
00381
00382 static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
00383 {
00384 struct misdn_stack *stack;
00385 iframe_t *frm;
00386 frm = (iframe_t *)dmsg->data;
00387 stack=get_stack_by_bc(bc);
00388
00389 if (!stack) {
00390 cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00391 return -1;
00392 }
00393
00394 frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00395 frm->dinfo = bc->l3_id;
00396 frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00397
00398 cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00399
00400 mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00401 free_msg(dmsg);
00402
00403 return 0;
00404 }
00405
00406
00407 static int mypid=1;
00408
00409
00410 int misdn_cap_is_speech(int cap)
00411
00412 {
00413 if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00414 (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00415 return 0;
00416 }
00417
00418 int misdn_inband_avail(struct misdn_bchannel *bc)
00419 {
00420
00421
00422 if ( ! bc->early_bconnect ) return 0;
00423
00424 switch (bc->progress_indicator) {
00425 case INFO_PI_INBAND_AVAILABLE:
00426 case INFO_PI_CALL_NOT_E2E_ISDN:
00427 case INFO_PI_CALLED_NOT_ISDN:
00428 return 1;
00429 default:
00430 return 0;
00431 }
00432 return 0;
00433 }
00434
00435
00436 static void dump_chan_list(struct misdn_stack *stack)
00437 {
00438 int i;
00439
00440 for (i=0; i <= stack->b_num; i++) {
00441 cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",i,stack->channels[i], stack->bc[i].in_use, i+1);
00442 }
00443 }
00444
00445
00446 void misdn_dump_chanlist()
00447 {
00448 struct misdn_stack *stack=get_misdn_stack();
00449 for ( ; stack; stack=stack->next) {
00450 dump_chan_list(stack);
00451 }
00452
00453 }
00454
00455 int set_chan_in_stack(struct misdn_stack *stack, int channel)
00456 {
00457
00458 cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00459 dump_chan_list(stack);
00460 if (channel >=1 && channel <= MAX_BCHANS) {
00461 if (!stack->channels[channel-1])
00462 stack->channels[channel-1] = 1;
00463 else {
00464 cb_log(4,stack->port,"channel already in use:%d\n", channel );
00465 return -1;
00466 }
00467 } else {
00468 cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00469 return -1;
00470 }
00471
00472 return 0;
00473 }
00474
00475
00476
00477 static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
00478 {
00479 int i;
00480 int bnums;
00481 int chan=0;
00482
00483 if (bc->channel_found)
00484 return 0;
00485
00486 bc->channel_found=1;
00487
00488 cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00489
00490
00491 if (channel < 0 || channel > MAX_BCHANS) {
00492 cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00493 return 0;
00494 }
00495
00496 channel--;
00497
00498 bnums=stack->pri?stack->b_num:stack->b_num-1;
00499
00500 if (dec) {
00501 for (i = bnums; i >=0; i--) {
00502 if (i != 15 && (channel < 0 || i == channel)) {
00503 if (!stack->channels[i]) {
00504 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00505 chan=i+1;
00506 break;
00507 }
00508 }
00509 }
00510 } else {
00511 for (i = 0; i <= bnums; i++) {
00512 if (i != 15 && (channel < 0 || i == channel)) {
00513 if (!stack->channels[i]) {
00514 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00515 chan=i+1;
00516 break;
00517 }
00518 }
00519 }
00520 }
00521
00522 if (!chan) {
00523 cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00524 dump_chan_list(stack);
00525 bc->out_cause=34;
00526 return -1;
00527 }
00528
00529 if (set_chan_in_stack(stack, chan)<0) {
00530 cb_log (0, stack->port, "Channel Already in use:%d\n", chan);
00531 bc->out_cause=44;
00532 return -1;
00533 }
00534
00535 bc->channel=chan;
00536 return 0;
00537 }
00538
00539 static int empty_chan_in_stack(struct misdn_stack *stack, int channel)
00540 {
00541 if (channel<=0 || channel>MAX_BCHANS) {
00542 cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00543 return -1;
00544 }
00545
00546 cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel);
00547 stack->channels[channel-1] = 0;
00548 dump_chan_list(stack);
00549 return 0;
00550 }
00551
00552 char *bc_state2str(enum bchannel_state state) {
00553 int i;
00554
00555 struct bchan_state_s {
00556 char *n;
00557 enum bchannel_state s;
00558 } states[] = {
00559 {"BCHAN_CLEANED", BCHAN_CLEANED },
00560 {"BCHAN_EMPTY", BCHAN_EMPTY},
00561 {"BCHAN_SETUP", BCHAN_SETUP},
00562 {"BCHAN_SETUPED", BCHAN_SETUPED},
00563 {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00564 {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00565 {"BCHAN_BRIDGE", BCHAN_BRIDGE},
00566 {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00567 {"BCHAN_RELEASE", BCHAN_RELEASE},
00568 {"BCHAN_RELEASED", BCHAN_RELEASED},
00569 {"BCHAN_CLEAN", BCHAN_CLEAN},
00570 {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00571 {"BCHAN_ERROR", BCHAN_ERROR}
00572 };
00573
00574 for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00575 if ( states[i].s == state)
00576 return states[i].n;
00577
00578 return "UNKNOWN";
00579 }
00580
00581 void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00582 {
00583 cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00584 bc->l3_id,
00585 bc_state2str(bc->bc_state),
00586 bc_state2str(state) );
00587
00588 switch (state) {
00589 case BCHAN_ACTIVATED:
00590 if (bc->next_bc_state == BCHAN_BRIDGED) {
00591 misdn_join_conf(bc, bc->conf_id);
00592 bc->next_bc_state = BCHAN_EMPTY;
00593 return;
00594 }
00595 default:
00596 bc->bc_state=state;
00597 break;
00598 }
00599 }
00600
00601 static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00602 {
00603 cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00604 bc_state2str(bc->next_bc_state),
00605 bc_state2str(state) );
00606
00607 bc->next_bc_state=state;
00608 }
00609
00610
00611 static void empty_bc(struct misdn_bchannel *bc)
00612 {
00613 bc->dummy=0;
00614
00615 bc->bframe_len=0;
00616
00617 bc->cw= 0;
00618
00619 bc->dec=0;
00620 bc->channel = 0;
00621
00622 bc->sending_complete = 0;
00623
00624 bc->restart_channel=0;
00625
00626 bc->conf_id = 0;
00627
00628 bc->need_more_infos = 0;
00629
00630 bc->send_dtmf=0;
00631 bc->nodsp=0;
00632 bc->nojitter=0;
00633
00634 bc->time_usec=0;
00635
00636 bc->rxgain=0;
00637 bc->txgain=0;
00638
00639 bc->crypt=0;
00640 bc->curptx=0; bc->curprx=0;
00641
00642 bc->crypt_key[0] = 0;
00643
00644 bc->generate_tone=0;
00645 bc->tone_cnt=0;
00646
00647 bc->dnumplan=NUMPLAN_UNKNOWN;
00648 bc->onumplan=NUMPLAN_UNKNOWN;
00649 bc->rnumplan=NUMPLAN_UNKNOWN;
00650 bc->cpnnumplan=NUMPLAN_UNKNOWN;
00651
00652
00653 bc->active = 0;
00654
00655 bc->early_bconnect = 1;
00656
00657 #ifdef MISDN_1_2
00658 *bc->pipeline = 0;
00659 #else
00660 bc->ec_enable = 0;
00661 bc->ec_deftaps = 128;
00662 #endif
00663
00664 bc->orig=0;
00665
00666 bc->cause=16;
00667 bc->out_cause=16;
00668 bc->pres=0 ;
00669
00670 bc->evq=EVENT_NOTHING;
00671
00672 bc->progress_coding=0;
00673 bc->progress_location=0;
00674 bc->progress_indicator=0;
00675
00676
00677 bc->capability=INFO_CAPABILITY_SPEECH;
00678 bc->law=INFO_CODEC_ALAW;
00679 bc->mode=0;
00680 bc->rate=0x10;
00681 bc->user1=0;
00682 bc->urate=0;
00683
00684 bc->hdlc=0;
00685
00686
00687 bc->info_dad[0] = 0;
00688 bc->display[0] = 0;
00689 bc->infos_pending[0] = 0;
00690 bc->cad[0] = 0;
00691 bc->oad[0] = 0;
00692 bc->dad[0] = 0;
00693 bc->rad[0] = 0;
00694 bc->orig_dad[0] = 0;
00695 bc->uu[0]=0;
00696 bc->uulen=0;
00697
00698 bc->fac_in.Function = Fac_None;
00699 bc->fac_out.Function = Fac_None;
00700
00701 bc->te_choose_channel = 0;
00702 bc->channel_found= 0;
00703 }
00704
00705
00706 static int clean_up_bc(struct misdn_bchannel *bc)
00707 {
00708 int ret=0;
00709 unsigned char buff[32];
00710 struct misdn_stack * stack;
00711
00712 cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00713
00714 if (!bc ) return -1;
00715 stack=get_stack_by_bc(bc);
00716
00717 if (!stack) return -1;
00718
00719 switch (bc->bc_state ) {
00720 case BCHAN_CLEANED:
00721 cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00722 return -1;
00723
00724 default:
00725 break;
00726 }
00727
00728 cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00729
00730 manager_ec_disable(bc);
00731
00732 manager_bchannel_deactivate(bc);
00733
00734 mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00735
00736 bc->b_stid = 0;
00737 bc_state_change(bc, BCHAN_CLEANED);
00738
00739 return ret;
00740 }
00741
00742
00743
00744 static void clear_l3(struct misdn_stack *stack)
00745 {
00746 int i;
00747
00748 for (i=0; i<=stack->b_num; i++) {
00749 if (global_state == MISDN_INITIALIZED) {
00750 cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00751 empty_chan_in_stack(stack,i+1);
00752 empty_bc(&stack->bc[i]);
00753 clean_up_bc(&stack->bc[i]);
00754 stack->bc[i].in_use = 0;
00755 }
00756
00757 }
00758 }
00759
00760 static int newteid=0;
00761
00762 #define MAXPROCS 0x100
00763
00764 static int misdn_lib_get_l1_down(struct misdn_stack *stack)
00765 {
00766
00767 iframe_t act;
00768 act.prim = PH_DEACTIVATE | REQUEST;
00769 act.addr = stack->lower_id|FLG_MSG_DOWN;
00770 act.dinfo = 0;
00771 act.len = 0;
00772
00773 cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00774 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00775 }
00776
00777
00778 static int misdn_lib_get_l2_down(struct misdn_stack *stack)
00779 {
00780
00781 if (stack->ptp && (stack->nt) ) {
00782 msg_t *dmsg;
00783
00784 dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00785
00786 if (stack->nst.manager_l3(&stack->nst, dmsg))
00787 free_msg(dmsg);
00788
00789 } else {
00790 iframe_t act;
00791
00792 act.prim = DL_RELEASE| REQUEST;
00793 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00794
00795 act.dinfo = 0;
00796 act.len = 0;
00797 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00798 }
00799
00800 return 0;
00801 }
00802
00803
00804 static int misdn_lib_get_l1_up(struct misdn_stack *stack)
00805 {
00806
00807 iframe_t act;
00808 act.prim = PH_ACTIVATE | REQUEST;
00809 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00810
00811
00812 act.dinfo = 0;
00813 act.len = 0;
00814
00815 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00816
00817 }
00818
00819 int misdn_lib_get_l2_up(struct misdn_stack *stack)
00820 {
00821
00822 if (stack->ptp && (stack->nt) ) {
00823 msg_t *dmsg;
00824
00825 dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00826
00827 if (stack->nst.manager_l3(&stack->nst, dmsg))
00828 free_msg(dmsg);
00829
00830 } else {
00831 iframe_t act;
00832
00833 act.prim = DL_ESTABLISH | REQUEST;
00834 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00835
00836 act.dinfo = 0;
00837 act.len = 0;
00838 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00839 }
00840
00841 return 0;
00842 }
00843
00844 #if 0
00845 static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack)
00846 {
00847 iframe_t act;
00848
00849 act.prim = DL_ESTABLISH | REQUEST;
00850 act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
00851
00852 act.dinfo = 0;
00853 act.len = 0;
00854 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00855 return 0;
00856 }
00857 #endif
00858
00859 static int misdn_lib_get_short_status(struct misdn_stack *stack)
00860 {
00861 iframe_t act;
00862
00863
00864 act.prim = MGR_SHORTSTATUS | REQUEST;
00865
00866 act.addr = (stack->upper_id | MSG_BROADCAST) ;
00867
00868 act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00869
00870 act.len = 0;
00871 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00872 }
00873
00874
00875
00876 static int create_process (int midev, struct misdn_bchannel *bc) {
00877 iframe_t ncr;
00878 int l3_id;
00879 int i;
00880 struct misdn_stack *stack=get_stack_by_bc(bc);
00881
00882 if (stack->nt) {
00883 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, 0)<0) return -1;
00884 cb_log(4,stack->port, " --> found channel: %d\n",bc->channel);
00885
00886 for (i=0; i <= MAXPROCS; i++)
00887 if (stack->procids[i]==0) break;
00888
00889 if (i== MAXPROCS) {
00890 cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00891 return -1;
00892 }
00893 stack->procids[i]=1;
00894
00895 l3_id = 0xff00 | i;
00896
00897 ncr.prim = CC_NEW_CR | REQUEST;
00898
00899 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00900
00901 ncr.dinfo = l3_id;
00902 ncr.len = 0;
00903
00904 bc->l3_id = l3_id;
00905 cb_log(3, stack->port, " --> new_l3id %x\n",l3_id);
00906
00907 } else {
00908 if (stack->ptp || bc->te_choose_channel) {
00909
00910 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, bc->dec)<0) return -1;
00911 cb_log(2,stack->port, " --> found channel: %d\n",bc->channel);
00912 } else {
00913
00914 bc->channel=0xff;
00915 }
00916
00917
00918
00919 if (newteid++ > 0xffff)
00920 newteid = 0x0001;
00921
00922 l3_id = (entity<<16) | newteid;
00923
00924 ncr.prim = CC_NEW_CR | REQUEST;
00925
00926 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00927
00928 ncr.dinfo =l3_id;
00929 ncr.len = 0;
00930
00931
00932 bc->l3_id = l3_id;
00933 cb_log(3, stack->port, "--> new_l3id %x\n",l3_id);
00934
00935 mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC);
00936 }
00937
00938 return l3_id;
00939 }
00940
00941
00942 void misdn_lib_setup_bc(struct misdn_bchannel *bc)
00943 {
00944 clean_up_bc(bc);
00945 setup_bc(bc);
00946 }
00947
00948
00949 int setup_bc(struct misdn_bchannel *bc)
00950 {
00951 unsigned char buff[1025];
00952 int midev, i;
00953 int channel;
00954 int b_stid;
00955
00956 mISDN_pid_t pid;
00957 int ret;
00958
00959
00960 struct misdn_stack *stack=get_stack_by_bc(bc);
00961
00962 if (!stack) {
00963 cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00964 return -1;
00965 }
00966
00967 midev=stack->midev;
00968 channel=bc->channel-1-(bc->channel>16);
00969 b_stid=stack->b_stids[channel>=0?channel:0];
00970
00971
00972 switch (bc->bc_state) {
00973 case BCHAN_CLEANED:
00974 break;
00975 default:
00976 cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00977 return -1;
00978 }
00979
00980 cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00981
00982
00983 for (i=0; i <= stack->b_num; i++) {
00984 if (stack->bc[i].b_stid == b_stid) {
00985 cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
00986 return -1;
00987 }
00988 }
00989
00990 if (b_stid <= 0) {
00991 cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00992
00993 bc_state_change(bc,BCHAN_ERROR);
00994 return 1;
00995 }
00996
00997
00998 bc->b_stid = b_stid;
00999
01000 {
01001 layer_info_t li;
01002 memset(&li, 0, sizeof(li));
01003
01004 li.object_id = -1;
01005 li.extentions = 0;
01006
01007 li.st = bc->b_stid;
01008
01009
01010 #define MISDN_DSP
01011 #ifndef MISDN_DSP
01012 bc->nodsp=1;
01013 #endif
01014 if ( bc->hdlc || bc->nodsp) {
01015 cb_log(4, stack->port,"setup_bc: without dsp\n");
01016 {
01017 int l = sizeof(li.name);
01018 strncpy(li.name, "B L3", l);
01019 li.name[l-1] = 0;
01020 }
01021 li.pid.layermask = ISDN_LAYER((3));
01022 li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01023
01024 bc->layer=3;
01025 } else {
01026 cb_log(4, stack->port,"setup_bc: with dsp\n");
01027 {
01028 int l = sizeof(li.name);
01029 strncpy(li.name, "B L4", l);
01030 li.name[l-1] = 0;
01031 }
01032 li.pid.layermask = ISDN_LAYER((4));
01033 li.pid.protocol[4] = ISDN_PID_L4_B_USER
01034 ;
01035 bc->layer=4;
01036
01037 }
01038
01039 ret = mISDN_new_layer(midev, &li);
01040 if (ret ) {
01041 cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01042
01043 bc_state_change(bc,BCHAN_ERROR);
01044 return(-EINVAL);
01045 }
01046
01047 bc->layer_id = li.id;
01048 }
01049
01050 memset(&pid, 0, sizeof(pid));
01051
01052
01053
01054 cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01055
01056 if (bc->nodsp) {
01057 cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01058 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01059 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01060 pid.protocol[3] = ISDN_PID_L3_B_USER;
01061 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01062
01063 } else if ( bc->hdlc ) {
01064 cb_log(2, stack->port," --> HDLC Mode\n");
01065 pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01066 pid.protocol[2] = ISDN_PID_L2_B_TRANS ;
01067 pid.protocol[3] = ISDN_PID_L3_B_USER;
01068 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01069 } else {
01070 cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01071 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01072 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01073 pid.protocol[3] = ISDN_PID_L3_B_DSP;
01074 pid.protocol[4] = ISDN_PID_L4_B_USER;
01075 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01076
01077 }
01078
01079 ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01080
01081 if (ret){
01082 cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01083
01084 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01085
01086 bc_state_change(bc,BCHAN_ERROR);
01087 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01088 return(-EINVAL);
01089 }
01090
01091 ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01092
01093 if (ret) {
01094 cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01095 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01096
01097 bc_state_change(bc,BCHAN_ERROR);
01098 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01099 return(-EINVAL);
01100 }
01101
01102 ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01103
01104 bc->addr = ret>0? ret : 0;
01105
01106 if (!bc->addr) {
01107 cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01108 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01109
01110 bc_state_change(bc,BCHAN_ERROR);
01111 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01112 return (-EINVAL);
01113 }
01114
01115 manager_bchannel_activate(bc);
01116
01117 bc_state_change(bc,BCHAN_ACTIVATED);
01118
01119 return 0;
01120 }
01121
01122
01123
01124
01125 int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime)
01126 {
01127 unsigned char buff[1025] = "";
01128 iframe_t *frm = (iframe_t *)buff;
01129 int ret;
01130
01131 if (!bc) return -1;
01132
01133 cb_log(8, port, "Init.BC %d.\n",bidx);
01134
01135 memset(bc, 0,sizeof(struct misdn_bchannel));
01136
01137 bc->send_lock=malloc(sizeof(struct send_lock));
01138
01139 pthread_mutex_init(&bc->send_lock->lock, NULL);
01140
01141 if (msn) {
01142 int l = sizeof(bc->msn);
01143 strncpy(bc->msn,msn, l);
01144 bc->msn[l-1] = 0;
01145 }
01146
01147
01148 empty_bc(bc);
01149 bc_state_change(bc, BCHAN_CLEANED);
01150
01151 bc->port=stack->port;
01152 bc->nt=stack->nt?1:0;
01153 bc->pri=stack->pri;
01154
01155 {
01156 ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01157
01158 if (!ibuf) return -1;
01159
01160 clear_ibuffer( ibuf);
01161
01162 ibuf->rsem=malloc(sizeof(sem_t));
01163
01164 bc->astbuf=ibuf;
01165
01166 if (sem_init(ibuf->rsem,1,0)<0)
01167 sem_init(ibuf->rsem,0,0);
01168
01169 }
01170
01171 {
01172 stack_info_t *stinf;
01173 ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01174 if (ret < 0) {
01175 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01176 return -1;
01177 }
01178
01179 stinf = (stack_info_t *)&frm->data.p;
01180
01181 cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01182 }
01183
01184 return 0;
01185 }
01186
01187
01188
01189 struct misdn_stack* stack_init( int midev, int port, int ptp )
01190 {
01191 int ret;
01192 unsigned char buff[1025];
01193 iframe_t *frm = (iframe_t *)buff;
01194 stack_info_t *stinf;
01195 int i;
01196 layer_info_t li;
01197
01198 struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01199 if (!stack ) return NULL;
01200
01201
01202 cb_log(8, port, "Init. Stack.\n");
01203
01204 memset(stack,0,sizeof(struct misdn_stack));
01205
01206 for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01207
01208 stack->port=port;
01209 stack->midev=midev;
01210 stack->ptp=ptp;
01211
01212 stack->holding=NULL;
01213 stack->pri=0;
01214
01215 msg_queue_init(&stack->downqueue);
01216 msg_queue_init(&stack->upqueue);
01217
01218
01219 ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01220 if (ret < 0) {
01221 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01222 return(NULL);
01223 }
01224
01225 stinf = (stack_info_t *)&frm->data.p;
01226
01227 stack->d_stid = stinf->id;
01228 stack->b_num = stinf->childcnt;
01229
01230 for (i=0; i<=stinf->childcnt; i++)
01231 stack->b_stids[i] = stinf->child[i];
01232
01233 switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01234 case ISDN_PID_L0_TE_S0:
01235 stack->nt=0;
01236 break;
01237 case ISDN_PID_L0_NT_S0:
01238 cb_log(8, port, "NT Stack\n");
01239
01240 stack->nt=1;
01241 break;
01242 case ISDN_PID_L0_TE_E1:
01243 cb_log(8, port, "TE S2M Stack\n");
01244 stack->nt=0;
01245 stack->pri=1;
01246 break;
01247 case ISDN_PID_L0_NT_E1:
01248 cb_log(8, port, "TE S2M Stack\n");
01249 stack->nt=1;
01250 stack->pri=1;
01251
01252 break;
01253 default:
01254 cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01255
01256 }
01257
01258 if (!stack->nt) {
01259 if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01260 stack->ptp = 1;
01261 } else {
01262 stack->ptp = 0;
01263 }
01264 }
01265
01266 {
01267 int ret;
01268 int nt=stack->nt;
01269
01270 cb_log(8, port, "Init. Stack.\n");
01271
01272 memset(&li, 0, sizeof(li));
01273 {
01274 int l = sizeof(li.name);
01275 strncpy(li.name,nt?"net l2":"user l4", l);
01276 li.name[l-1] = 0;
01277 }
01278 li.object_id = -1;
01279 li.extentions = 0;
01280 li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01281 li.pid.layermask = ISDN_LAYER((nt?2:4));
01282 li.st = stack->d_stid;
01283
01284
01285 ret = mISDN_new_layer(midev, &li);
01286 if (ret) {
01287 cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01288 return(NULL);
01289 }
01290
01291
01292 stack->upper_id = li.id;
01293 ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01294 if (ret)
01295 {
01296 cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01297 return(NULL);
01298 }
01299
01300 stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01301 if (stack->lower_id < 0) {
01302 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01303 return(NULL);
01304 }
01305
01306 stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01307 if (stack->upper_id < 0) {
01308 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01309 return(NULL);
01310 }
01311
01312 cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01313
01314
01315
01316 if (nt) {
01317
01318 memset(&stack->nst, 0, sizeof(net_stack_t));
01319 memset(&stack->mgr, 0, sizeof(manager_t));
01320
01321 stack->mgr.nst = &stack->nst;
01322 stack->nst.manager = &stack->mgr;
01323
01324 stack->nst.l3_manager = handle_event_nt;
01325 stack->nst.device = midev;
01326 stack->nst.cardnr = port;
01327 stack->nst.d_stid = stack->d_stid;
01328
01329 stack->nst.feature = FEATURE_NET_HOLD;
01330 if (stack->ptp)
01331 stack->nst.feature |= FEATURE_NET_PTP;
01332 if (stack->pri)
01333 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01334
01335 stack->nst.l1_id = stack->lower_id;
01336 stack->nst.l2_id = stack->upper_id;
01337
01338 msg_queue_init(&stack->nst.down_queue);
01339
01340 Isdnl2Init(&stack->nst);
01341 Isdnl3Init(&stack->nst);
01342
01343 }
01344
01345 if (!stack->nt) {
01346
01347
01348 stack->l1link=0;
01349 }
01350 stack->l1link=0;
01351 stack->l2link=0;
01352 #if 0
01353 if (!stack->nt) {
01354 misdn_lib_get_short_status(stack);
01355 } else {
01356 misdn_lib_get_l1_up(stack);
01357 if (!stack->ptp) misdn_lib_get_l1_up(stack);
01358 misdn_lib_get_l2_up(stack);
01359 }
01360 #endif
01361
01362 misdn_lib_get_short_status(stack);
01363 misdn_lib_get_l1_up(stack);
01364 misdn_lib_get_l2_up(stack);
01365
01366 }
01367
01368 cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01369
01370 return stack;
01371 }
01372
01373
01374 void stack_destroy(struct misdn_stack* stack)
01375 {
01376 char buf[1024];
01377 if (!stack) return;
01378
01379 if (stack->nt) {
01380 cleanup_Isdnl2(&stack->nst);
01381 cleanup_Isdnl3(&stack->nst);
01382 }
01383
01384 if (stack->lower_id)
01385 mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01386
01387 if (stack->upper_id)
01388 mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01389 }
01390
01391
01392 static struct misdn_stack * find_stack_by_addr(int addr)
01393 {
01394 struct misdn_stack *stack;
01395
01396 for (stack=glob_mgr->stack_list;
01397 stack;
01398 stack=stack->next) {
01399 if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01400
01401 }
01402
01403 return NULL;
01404 }
01405
01406
01407 static struct misdn_stack * find_stack_by_port(int port)
01408 {
01409 struct misdn_stack *stack;
01410
01411 for (stack=glob_mgr->stack_list;
01412 stack;
01413 stack=stack->next)
01414 if (stack->port == port) return stack;
01415
01416 return NULL;
01417 }
01418
01419 static struct misdn_stack * find_stack_by_mgr(manager_t* mgr_nt)
01420 {
01421 struct misdn_stack *stack;
01422
01423 for (stack=glob_mgr->stack_list;
01424 stack;
01425 stack=stack->next)
01426 if ( &stack->mgr == mgr_nt) return stack;
01427
01428 return NULL;
01429 }
01430
01431 static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
01432 {
01433 int i;
01434 for (i=0; i<=stack->b_num; i++) {
01435 if ( (stack->bc[i].l3_id & mask) == (l3id & mask)) return &stack->bc[i] ;
01436 }
01437 return stack_holder_find(stack,l3id);
01438 }
01439
01440
01441 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id)
01442 {
01443 int i;
01444 for (i=0; i<=stack->b_num; i++) {
01445 if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01446 }
01447 return stack_holder_find(stack,l3id);
01448 }
01449
01450 static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack)
01451 {
01452 int i;
01453 for (i=0; i<=stack->b_num; i++) {
01454 if (stack->bc[i].holded ) return &stack->bc[i] ;
01455 }
01456 return NULL;
01457 }
01458
01459
01460 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
01461 {
01462 struct misdn_stack* stack;
01463 int i;
01464
01465 for (stack=glob_mgr->stack_list;
01466 stack;
01467 stack=stack->next) {
01468 for (i=0; i<=stack->b_num; i++) {
01469 if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) || stack->bc[i].layer_id== addr ) {
01470 return &stack->bc[i];
01471 }
01472 }
01473 }
01474
01475 return NULL;
01476 }
01477
01478 struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
01479 {
01480 struct misdn_stack* stack;
01481 int i;
01482
01483 for (stack=glob_mgr->stack_list;
01484 stack;
01485 stack=stack->next) {
01486 for (i=0; i<=stack->b_num; i++) {
01487 if ( stack->bc[i].conf_id==confid ) {
01488 return &stack->bc[i];
01489 }
01490 }
01491 }
01492 return NULL;
01493 }
01494
01495
01496 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
01497 {
01498 struct misdn_stack* stack=find_stack_by_port(port);
01499 int i;
01500
01501 if (!stack) return NULL;
01502
01503 for (i=0; i<=stack->b_num; i++) {
01504 if ( stack->bc[i].channel== channel ) {
01505 return &stack->bc[i];
01506 }
01507 }
01508
01509 return NULL;
01510 }
01511
01512
01513
01514
01515
01516 static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
01517 {
01518 struct misdn_stack *stack=get_stack_by_bc(bc);
01519
01520 if (!stack->nt) {
01521
01522 switch (event) {
01523
01524 case EVENT_CONNECT_ACKNOWLEDGE:
01525 setup_bc(bc);
01526
01527 if ( *bc->crypt_key ) {
01528 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);
01529 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01530 }
01531
01532 if (misdn_cap_is_speech(bc->capability)) {
01533 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
01534 manager_ec_enable(bc);
01535
01536 if ( bc->txgain != 0 ) {
01537 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01538 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01539 }
01540 if ( bc->rxgain != 0 ) {
01541 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01542 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01543 }
01544 }
01545
01546 break;
01547 case EVENT_CONNECT:
01548
01549 if ( *bc->crypt_key ) {
01550 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);
01551 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01552 }
01553 case EVENT_ALERTING:
01554 case EVENT_PROGRESS:
01555 case EVENT_PROCEEDING:
01556 case EVENT_SETUP_ACKNOWLEDGE:
01557 case EVENT_SETUP:
01558 {
01559 if (bc->channel == 0xff || bc->channel<=0)
01560 bc->channel=0;
01561
01562 if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01563 if (!stack->pri && !stack->ptp) {
01564 bc->cw=1;
01565 break;
01566 }
01567
01568 cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01569 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01570 return -1;
01571 }
01572 }
01573
01574 setup_bc(bc);
01575 break;
01576
01577 case EVENT_RELEASE_COMPLETE:
01578 case EVENT_RELEASE:
01579 break;
01580 default:
01581 break;
01582 }
01583 } else {
01584
01585 }
01586 return 0;
01587 }
01588
01589 static int handle_cr ( struct misdn_stack *stack, iframe_t *frm)
01590 {
01591 struct misdn_bchannel* bc;
01592 if (!stack) return -1;
01593
01594 switch (frm->prim) {
01595 case CC_NEW_CR|INDICATION:
01596 cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01597
01598 bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01599 if (!bc) {
01600 cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01601 return -1;
01602 }
01603
01604 cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01605 bc->l3_id=frm->dinfo;
01606 return 1;
01607 case CC_NEW_CR|CONFIRM:
01608 return 1;
01609 case CC_NEW_CR|REQUEST:
01610 return 1;
01611 case CC_RELEASE_CR|REQUEST:
01612 return 1;
01613 case CC_RELEASE_CR|CONFIRM:
01614 break;
01615 case CC_RELEASE_CR|INDICATION:
01616 cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01617 {
01618 struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01619 struct misdn_bchannel dummybc;
01620
01621 if (!bc) {
01622 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01623 make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01624
01625 bc=&dummybc;
01626 }
01627
01628 if (bc) {
01629 int channel = bc->channel;
01630 cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01631
01632
01633 bc->need_disconnect=0;
01634 bc->need_release=0;
01635 bc->need_release_complete=0;
01636
01637 cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01638
01639 empty_bc(bc);
01640 clean_up_bc(bc);
01641
01642 if (channel>0)
01643 empty_chan_in_stack(stack,channel);
01644 bc->in_use=0;
01645
01646 dump_chan_list(stack);
01647
01648 if (bc->stack_holder) {
01649 cb_log(4,stack->port, "REMOVEING Holder\n");
01650 stack_holder_remove( stack, bc);
01651 free(bc);
01652 }
01653 }
01654 else {
01655 if (stack->nt)
01656 cb_log(4, stack->port, "BC with dinfo: %x not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01657 }
01658
01659 return 1;
01660 }
01661 break;
01662 }
01663
01664 return 0;
01665 }
01666
01667
01668
01669 void misdn_lib_release(struct misdn_bchannel *bc)
01670 {
01671 struct misdn_stack *stack=get_stack_by_bc(bc);
01672
01673 if (!stack) {
01674 cb_log(1,0,"misdn_release: No Stack found\n");
01675 return;
01676 }
01677
01678 if (bc->channel>0)
01679 empty_chan_in_stack(stack,bc->channel);
01680
01681 empty_bc(bc);
01682 clean_up_bc(bc);
01683 bc->in_use=0;
01684 }
01685
01686
01687
01688
01689 int misdn_lib_get_port_up (int port)
01690 {
01691 struct misdn_stack *stack;
01692
01693 for (stack=glob_mgr->stack_list;
01694 stack;
01695 stack=stack->next) {
01696
01697 if (stack->port == port) {
01698
01699 if (!stack->l1link)
01700 misdn_lib_get_l1_up(stack);
01701 if (!stack->l2link)
01702 misdn_lib_get_l2_up(stack);
01703
01704 return 0;
01705 }
01706 }
01707 return 0;
01708 }
01709
01710
01711 int misdn_lib_get_port_down (int port)
01712 {
01713 struct misdn_stack *stack;
01714 for (stack=glob_mgr->stack_list;
01715 stack;
01716 stack=stack->next) {
01717 if (stack->port == port) {
01718 if (stack->l2link)
01719 misdn_lib_get_l2_down(stack);
01720 misdn_lib_get_l1_down(stack);
01721 return 0;
01722 }
01723 }
01724 return 0;
01725 }
01726
01727 int misdn_lib_port_up(int port, int check)
01728 {
01729 struct misdn_stack *stack;
01730
01731
01732 for (stack=glob_mgr->stack_list;
01733 stack;
01734 stack=stack->next) {
01735
01736 if (stack->port == port) {
01737
01738 if (stack->blocked) {
01739 cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01740 return -1;
01741 }
01742
01743 if (stack->ptp ) {
01744
01745 if (stack->l1link && stack->l2link) {
01746 return 1;
01747 } else {
01748 cb_log(1,port, "Port Down L2:%d L1:%d\n",
01749 stack->l2link, stack->l1link);
01750 return 0;
01751 }
01752 } else {
01753 if ( !check || stack->l1link )
01754 return 1;
01755 else {
01756 cb_log(1,port, "Port down PMP\n");
01757 return 0;
01758 }
01759 }
01760 }
01761 }
01762
01763 return -1;
01764 }
01765
01766
01767 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh)
01768 {
01769 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01770 struct misdn_bchannel dummybc;
01771 iframe_t frm;
01772 frm.dinfo = hh->dinfo;
01773
01774 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01775
01776 frm.prim = CC_RELEASE_CR|INDICATION;
01777 cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Realease_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01778
01779 if (!bc) {
01780 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01781 make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01782 bc=&dummybc;
01783 }
01784
01785 if (bc) {
01786 if ( (bc->l3_id & 0xff00) == 0xff00) {
01787 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01788 stack->procids[bc->l3_id&0xff] = 0 ;
01789 }
01790 }
01791 else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01792
01793 if (handle_cr(stack, &frm)<0) {
01794 }
01795
01796 return 0 ;
01797 }
01798
01799 int
01800 handle_event_nt(void *dat, void *arg)
01801 {
01802 manager_t *mgr = (manager_t *)dat;
01803 msg_t *msg = (msg_t *)arg;
01804 mISDNuser_head_t *hh;
01805 int reject=0;
01806
01807 struct misdn_stack *stack=find_stack_by_mgr(mgr);
01808 int port;
01809
01810 if (!msg || !mgr)
01811 return(-EINVAL);
01812
01813 hh=(mISDNuser_head_t*)msg->data;
01814 port=stack->port;
01815
01816 cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01817 {
01818 switch(hh->prim){
01819 case CC_RETRIEVE|INDICATION:
01820 {
01821 struct misdn_bchannel *bc;
01822 struct misdn_bchannel *hold_bc;
01823 iframe_t frm;
01824 frm.dinfo = hh->dinfo;
01825
01826 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01827
01828 frm.prim = CC_NEW_CR|INDICATION;
01829
01830 if (handle_cr( stack, &frm)< 0) {
01831 msg_t *dmsg;
01832 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01833 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01834 stack->nst.manager_l3(&stack->nst, dmsg);
01835 free_msg(msg);
01836 return 0;
01837 }
01838
01839 bc=find_bc_by_l3id(stack, hh->dinfo);
01840 hold_bc=stack_holder_find(stack,bc->l3_id);
01841 cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01842
01843 if (hold_bc) {
01844 cb_log(4, stack->port, "REMOVEING Holder\n");
01845
01846
01847 stack_holder_remove(stack, hold_bc);
01848 memcpy(bc,hold_bc,sizeof(struct misdn_bchannel));
01849 free(hold_bc);
01850
01851 bc->holded=0;
01852 bc->b_stid=0;
01853 }
01854
01855 }
01856
01857 break;
01858
01859 case CC_SETUP|CONFIRM:
01860 {
01861 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01862 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01863 cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id );
01864
01865 if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01866 cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01867 bc->l3_id=l3id;
01868 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01869 }
01870 free_msg(msg);
01871 return 0;
01872
01873 case CC_SETUP|INDICATION:
01874 {
01875 struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01876 if (!bc)
01877 ERR_NO_CHANNEL:
01878 {
01879 msg_t *dmsg;
01880 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01881 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01882 stack->nst.manager_l3(&stack->nst, dmsg);
01883 free_msg(msg);
01884 return 0;
01885 }
01886
01887 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01888 bc->l3_id=hh->dinfo;
01889 }
01890 break;
01891
01892 case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01893 break;
01894
01895 case CC_ALERTING|INDICATION:
01896 case CC_PROCEEDING|INDICATION:
01897 case CC_SETUP_ACKNOWLEDGE|INDICATION:
01898 if(!stack->ptp) break;
01899 case CC_CONNECT|INDICATION:
01900 break;
01901 case CC_DISCONNECT|INDICATION:
01902 {
01903 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01904 if (!bc) {
01905 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01906 if (bc) {
01907 int myprocid=bc->l3_id&0x0000ffff;
01908 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01909 cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01910 reject=1;
01911 }
01912 }
01913 }
01914 break;
01915
01916 case CC_FACILITY|INDICATION:
01917 {
01918 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01919 if (!bc) {
01920 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01921 if (bc) {
01922 int myprocid=bc->l3_id&0x0000ffff;
01923 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01924 cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01925 }
01926 }
01927 }
01928 break;
01929
01930 case CC_RELEASE_COMPLETE|INDICATION:
01931 break;
01932
01933 case CC_SUSPEND|INDICATION:
01934 {
01935 msg_t *dmsg;
01936 cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01937 dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01938 stack->nst.manager_l3(&stack->nst, dmsg);
01939 free_msg(msg);
01940 return 0;
01941 }
01942 break;
01943 case CC_RESUME|INDICATION:
01944 break;
01945
01946 case CC_RELEASE|CONFIRM:
01947 {
01948 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01949
01950 if (bc) {
01951 cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
01952 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
01953 }
01954 }
01955 break;
01956
01957 case CC_RELEASE|INDICATION:
01958 break;
01959
01960 case CC_RELEASE_CR|INDICATION:
01961 release_cr(stack, hh);
01962 free_msg(msg);
01963 return 0 ;
01964 break;
01965
01966 case CC_NEW_CR|INDICATION:
01967
01968
01969 {
01970 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01971 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01972 if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01973 if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01974 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01975 stack->procids[bc->l3_id&0xff] = 0 ;
01976 }
01977 cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id );
01978
01979 bc->l3_id =l3id;
01980 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01981
01982 free_msg(msg);
01983 return 0;
01984 }
01985
01986 case DL_ESTABLISH | INDICATION:
01987 case DL_ESTABLISH | CONFIRM:
01988 {
01989 cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
01990
01991 if (stack->ptp && stack->l2link) {
01992 cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
01993 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
01994 }
01995
01996 if (stack->ptp && !stack->restart_sent) {
01997
01998
01999 stack->restart_sent=1;
02000 misdn_lib_send_restart(stack->port, -1);
02001
02002 }
02003
02004
02005 stack->l1link = 1;
02006 stack->l2link = 1;
02007 stack->l2upcnt=0;
02008
02009 free_msg(msg);
02010 return 0;
02011 }
02012 break;
02013
02014
02015 case DL_RELEASE | INDICATION:
02016 case DL_RELEASE | CONFIRM:
02017 {
02018 if (stack->ptp) {
02019 cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02020
02021 if (stack->l2upcnt>3) {
02022 cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02023 } else {
02024 #if 0
02025 if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02026 #endif
02027 if (stack->l1link) {
02028 misdn_lib_get_l2_up(stack);
02029 stack->l2upcnt++;
02030 }
02031 }
02032
02033 } else
02034 cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02035
02036 stack->l2link = 0;
02037 free_msg(msg);
02038 return 0;
02039 }
02040 break;
02041 }
02042 }
02043
02044 {
02045
02046 struct misdn_bchannel *bc;
02047 struct misdn_bchannel dummybc;
02048
02049 enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02050
02051 bc=find_bc_by_l3id(stack, hh->dinfo);
02052
02053 if (!bc) {
02054 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02055 make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
02056 bc=&dummybc;
02057 }
02058 if (bc ) {
02059 isdn_msg_parse_event(msgs_g,msg,bc, 1);
02060
02061 switch (event) {
02062 int channel;
02063 int tmpcause;
02064 case EVENT_SETUP:
02065 if (bc->channel<=0 || bc->channel==0xff)
02066 bc->channel=0;
02067
02068 if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0)
02069 goto ERR_NO_CHANNEL;
02070 break;
02071 case EVENT_RELEASE:
02072 case EVENT_RELEASE_COMPLETE:
02073 {
02074 channel=bc->channel;
02075 tmpcause=bc->cause;
02076 empty_bc(bc);
02077 bc->cause=tmpcause;
02078 clean_up_bc(bc);
02079
02080 if (channel>0)
02081 empty_chan_in_stack(stack,channel);
02082 bc->in_use=0;
02083 }
02084 break;
02085
02086 default:
02087 break;
02088 }
02089
02090 if(!isdn_get_info(msgs_g,event,1)) {
02091 cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02092 } else {
02093 if (reject) {
02094 switch(bc->cause){
02095 case 17:
02096 cb_log(1, stack->port, "Siemens Busy reject..\n");
02097
02098 break;
02099 default:
02100 break;
02101 }
02102 }
02103 cb_event(event, bc, glob_mgr->user_data);
02104 }
02105 } else {
02106 cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02107 }
02108
02109 free_msg(msg);
02110 }
02111
02112
02113 return 0;
02114 }
02115
02116
02117 static int handle_timers(msg_t* msg)
02118 {
02119 iframe_t *frm= (iframe_t*)msg->data;
02120 struct misdn_stack *stack;
02121
02122
02123 switch (frm->prim) {
02124 case MGR_INITTIMER | CONFIRM:
02125 case MGR_ADDTIMER | CONFIRM:
02126 case MGR_DELTIMER | CONFIRM:
02127 case MGR_REMOVETIMER | CONFIRM:
02128 free_msg(msg);
02129 return(1);
02130 }
02131
02132
02133
02134 if (frm->prim==(MGR_TIMER | INDICATION) ) {
02135 for (stack = glob_mgr->stack_list;
02136 stack;
02137 stack = stack->next) {
02138 itimer_t *it;
02139
02140 if (!stack->nt) continue;
02141
02142 it = stack->nst.tlist;
02143
02144 for(it=stack->nst.tlist;
02145 it;
02146 it=it->next) {
02147 if (it->id == (int)frm->addr)
02148 break;
02149 }
02150 if (it) {
02151 int ret;
02152 ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02153 MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02154 test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02155 ret = it->function(it->data);
02156 free_msg(msg);
02157 return 1;
02158 }
02159 }
02160
02161 cb_log(0, 0, "Timer Msg without Timer ??\n");
02162 free_msg(msg);
02163 return 1;
02164 }
02165
02166 return 0;
02167 }
02168
02169
02170
02171 void misdn_lib_tone_generator_start(struct misdn_bchannel *bc)
02172 {
02173 bc->generate_tone=1;
02174 }
02175
02176 void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc)
02177 {
02178 bc->generate_tone=0;
02179 }
02180
02181
02182 static int do_tone(struct misdn_bchannel *bc, int len)
02183 {
02184 bc->tone_cnt=len;
02185
02186 if (bc->generate_tone) {
02187 cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02188
02189 if ( !bc->nojitter ) {
02190 misdn_tx_jitter(bc,len);
02191 }
02192
02193 return 1;
02194 }
02195
02196 return 0;
02197 }
02198
02199
02200 #ifdef MISDN_SAVE_DATA
02201 static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
02202 {
02203 char n1[32],n2[32];
02204
02205 sprintf(n1,"/tmp/misdn-rx-%d.raw",id);
02206 sprintf(n2,"/tmp/misdn-tx-%d.raw",id);
02207
02208 FILE *rx=fopen(n1,"a+");
02209 FILE *tx=fopen(n2,"a+");
02210
02211 if (!rx || !tx) {
02212 cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
02213 return ;
02214 }
02215
02216 fwrite(p1,1,l1,rx);
02217 fwrite(p2,1,l2,tx);
02218
02219 fclose(rx);
02220 fclose(tx);
02221
02222 }
02223 #endif
02224
02225 void misdn_tx_jitter(struct misdn_bchannel *bc, int len)
02226 {
02227 char buf[4096 + mISDN_HEADER_LEN];
02228 char *data=&buf[mISDN_HEADER_LEN];
02229 iframe_t *txfrm= (iframe_t*)buf;
02230 int jlen, r;
02231
02232 jlen=cb_jb_empty(bc,data,len);
02233
02234 if (jlen) {
02235 #ifdef MISDN_SAVE_DATA
02236 misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02237 #endif
02238 flip_buf_bits( data, jlen);
02239
02240 if (jlen < len) {
02241 cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02242 }
02243
02244 txfrm->prim = DL_DATA|REQUEST;
02245
02246 txfrm->dinfo = 0;
02247
02248 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02249
02250 txfrm->len =jlen;
02251 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02252
02253 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02254 } else {
02255 #define MISDN_GEN_SILENCE
02256 #ifdef MISDN_GEN_SILENCE
02257 int cnt=len/TONE_SILENCE_SIZE;
02258 int rest=len%TONE_SILENCE_SIZE;
02259 int i;
02260
02261 for (i=0; i<cnt; i++) {
02262 memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02263 data +=TONE_SILENCE_SIZE;
02264 }
02265
02266 if (rest) {
02267 memcpy(data, tone_silence_flip, rest);
02268 }
02269
02270 txfrm->prim = DL_DATA|REQUEST;
02271
02272 txfrm->dinfo = 0;
02273
02274 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02275
02276 txfrm->len =len;
02277 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02278
02279 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02280 #endif
02281
02282 }
02283 }
02284
02285 static int handle_bchan(msg_t *msg)
02286 {
02287 iframe_t *frm= (iframe_t*)msg->data;
02288 struct misdn_stack *stack;
02289 struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02290
02291 if (!bc) {
02292 cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02293 return 0 ;
02294 }
02295
02296 stack=get_stack_by_bc(bc);
02297
02298 if (!stack) {
02299 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);
02300 return 0;
02301 }
02302
02303 switch (frm->prim) {
02304
02305 case MGR_SETSTACK| CONFIRM:
02306 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02307 break;
02308
02309 case MGR_SETSTACK| INDICATION:
02310 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02311 break;
02312 #if 0
02313 AGAIN:
02314 bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02315 if (!bc->addr) {
02316
02317 if (errno == EAGAIN) {
02318 usleep(1000);
02319 goto AGAIN;
02320 }
02321
02322 cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02323
02324
02325
02326 bc->addr= frm->addr;
02327 } else if ( bc->addr < 0) {
02328 cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02329 bc->addr=0;
02330 }
02331
02332 cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02333
02334 free_msg(msg);
02335
02336
02337 switch(bc->bc_state) {
02338 case BCHAN_SETUP:
02339 bc_state_change(bc,BCHAN_SETUPED);
02340 break;
02341
02342 case BCHAN_CLEAN_REQUEST:
02343 default:
02344 cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02345 clean_up_bc(bc);
02346 }
02347 return 1;
02348 #endif
02349
02350 case MGR_DELLAYER| INDICATION:
02351 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02352 break;
02353
02354 case MGR_DELLAYER| CONFIRM:
02355 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02356
02357 bc->pid=0;
02358 bc->addr=0;
02359
02360 free_msg(msg);
02361 return 1;
02362
02363 case PH_ACTIVATE | INDICATION:
02364 case DL_ESTABLISH | INDICATION:
02365 cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02366
02367 free_msg(msg);
02368 return 1;
02369
02370 case PH_ACTIVATE | CONFIRM:
02371 case DL_ESTABLISH | CONFIRM:
02372
02373 cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02374 free_msg(msg);
02375
02376 return 1;
02377
02378 case DL_ESTABLISH | REQUEST:
02379 {
02380 char buf[128];
02381 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02382 }
02383 free_msg(msg);
02384 return 1;
02385
02386 case DL_RELEASE|REQUEST:
02387 {
02388 char buf[128];
02389 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02390 }
02391 free_msg(msg);
02392 return 1;
02393
02394 case PH_DEACTIVATE | INDICATION:
02395 case DL_RELEASE | INDICATION:
02396 cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02397
02398 free_msg(msg);
02399 return 1;
02400
02401 case PH_DEACTIVATE | CONFIRM:
02402 case DL_RELEASE | CONFIRM:
02403 cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02404
02405 free_msg(msg);
02406 return 1;
02407
02408 case PH_CONTROL|INDICATION:
02409 {
02410 unsigned int *cont = (unsigned int *) &frm->data.p;
02411
02412 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);
02413
02414 if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02415 int dtmf = *cont & DTMF_TONE_MASK;
02416 cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02417 bc->dtmf=dtmf;
02418 cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02419
02420 free_msg(msg);
02421 return 1;
02422 }
02423 if (*cont == BF_REJECT) {
02424 cb_log(4, stack->port, " --> BF REJECT\n");
02425 free_msg(msg);
02426 return 1;
02427 }
02428 if (*cont == BF_ACCEPT) {
02429 cb_log(4, stack->port, " --> BF ACCEPT\n");
02430 free_msg(msg);
02431 return 1;
02432 }
02433 }
02434 break;
02435
02436 case PH_DATA|REQUEST:
02437 case DL_DATA|REQUEST:
02438 cb_log(0, stack->port, "DL_DATA REQUEST \n");
02439 do_tone(bc, 64);
02440
02441 free_msg(msg);
02442 return 1;
02443
02444
02445 case PH_DATA|INDICATION:
02446 case DL_DATA|INDICATION:
02447 {
02448 bc->bframe = (void*)&frm->data.i;
02449 bc->bframe_len = frm->len;
02450
02451
02452 if ( misdn_cap_is_speech(bc->capability) )
02453 flip_buf_bits(bc->bframe, bc->bframe_len);
02454
02455
02456 if (!bc->bframe_len) {
02457 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02458 free_msg(msg);
02459 return 1;
02460 }
02461
02462 if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02463 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02464 free_msg(msg);
02465 return 1;
02466 }
02467
02468 #if MISDN_DEBUG
02469 cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02470
02471 #endif
02472
02473 if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02474 int t;
02475
02476 #ifdef MISDN_B_DEBUG
02477 cb_log(0,bc->port,"do_tone START\n");
02478 #endif
02479 t=do_tone(bc,frm->len);
02480
02481 #ifdef MISDN_B_DEBUG
02482 cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02483 #endif
02484 if ( !t ) {
02485 int i;
02486
02487 if ( misdn_cap_is_speech(bc->capability)) {
02488 if ( !bc->nojitter ) {
02489 #ifdef MISDN_B_DEBUG
02490 cb_log(0,bc->port,"tx_jitter START\n");
02491 #endif
02492 misdn_tx_jitter(bc,frm->len);
02493 #ifdef MISDN_B_DEBUG
02494 cb_log(0,bc->port,"tx_jitter STOP\n");
02495 #endif
02496 }
02497 }
02498
02499 #ifdef MISDN_B_DEBUG
02500 cb_log(0,bc->port,"EVENT_B_DATA START\n");
02501 #endif
02502
02503 i=cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02504 #ifdef MISDN_B_DEBUG
02505 cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02506 #endif
02507
02508 if (i<0) {
02509 cb_log(10,stack->port,"cb_event returned <0\n");
02510
02511 }
02512 }
02513 }
02514 free_msg(msg);
02515 return 1;
02516 }
02517
02518
02519 case PH_CONTROL | CONFIRM:
02520 cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02521 free_msg(msg);
02522 return 1;
02523
02524 case PH_DATA | CONFIRM:
02525 case DL_DATA|CONFIRM:
02526 #if MISDN_DEBUG
02527
02528 cb_log(0, stack->port, "Data confirmed\n");
02529
02530 #endif
02531 free_msg(msg);
02532 return 1;
02533 case DL_DATA|RESPONSE:
02534 #if MISDN_DEBUG
02535 cb_log(0, stack->port, "Data response\n");
02536
02537 #endif
02538 break;
02539 }
02540
02541 return 0;
02542 }
02543
02544
02545
02546 static int handle_frm_nt(msg_t *msg)
02547 {
02548 iframe_t *frm= (iframe_t*)msg->data;
02549 struct misdn_stack *stack;
02550 int err=0;
02551
02552 stack=find_stack_by_addr( frm->addr );
02553
02554
02555
02556 if (!stack || !stack->nt) {
02557 return 0;
02558 }
02559
02560
02561 if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02562
02563 if (nt_err_cnt > 0 ) {
02564 if (nt_err_cnt < 100) {
02565 nt_err_cnt++;
02566 cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02567 } else if (nt_err_cnt < 105){
02568 cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02569 nt_err_cnt = - 1;
02570 }
02571 }
02572 free_msg(msg);
02573 return 1;
02574
02575 }
02576
02577 return 1;
02578 }
02579
02580
02581 static int handle_frm(msg_t *msg)
02582 {
02583 iframe_t *frm = (iframe_t*) msg->data;
02584
02585 struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02586
02587 if (!stack || stack->nt) {
02588 return 0;
02589 }
02590
02591 cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02592
02593 {
02594 struct misdn_bchannel dummybc;
02595 struct misdn_bchannel *bc;
02596 int ret=handle_cr(stack, frm);
02597
02598 if (ret<0) {
02599 cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02600
02601
02602 }
02603
02604 if(ret) {
02605 free_msg(msg);
02606 return 1;
02607 }
02608
02609 bc=find_bc_by_l3id(stack, frm->dinfo);
02610
02611 if (!bc && (frm->prim==(CC_RESTART|CONFIRM)) ) {
02612 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02613 bc=&dummybc;
02614 }
02615
02616 handle_frm_bc:
02617 if (bc ) {
02618 int ret;
02619 enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02620 enum event_response_e response=RESPONSE_OK;
02621
02622 isdn_msg_parse_event(msgs_g,msg,bc, 0);
02623
02624
02625 ret=handle_event(bc, event, frm);
02626 if (ret<0) {
02627 cb_log(0,stack->port,"couldn't handle event\n");
02628 free_msg(msg);
02629 return 1;
02630 }
02631
02632 cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02633
02634 if(!isdn_get_info(msgs_g,event,0))
02635 cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02636 else
02637 response=cb_event(event, bc, glob_mgr->user_data);
02638 #if 1
02639 if (event == EVENT_SETUP) {
02640 switch (response) {
02641 case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02642
02643 cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");
02644
02645 break;
02646 case RESPONSE_IGNORE_SETUP:
02647
02648 bc->out_cause=16;
02649
02650 case RESPONSE_RELEASE_SETUP:
02651 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02652 if (bc->channel>0)
02653 empty_chan_in_stack(stack, bc->channel);
02654 empty_bc(bc);
02655 bc_state_change(bc,BCHAN_CLEANED);
02656 bc->in_use=0;
02657
02658 cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02659 break;
02660 case RESPONSE_OK:
02661 cb_log(4, stack->port, "GOT SETUP OK\n");
02662
02663
02664 break;
02665 default:
02666 break;
02667 }
02668 }
02669
02670 if (event == EVENT_RELEASE_COMPLETE) {
02671
02672 int channel=bc->channel;
02673 int tmpcause=bc->cause;
02674 int tmp_out_cause=bc->out_cause;
02675 empty_bc(bc);
02676 bc->cause=tmpcause;
02677 bc->out_cause=tmp_out_cause;
02678 clean_up_bc(bc);
02679
02680 if (tmpcause == 44) {
02681 cb_log(0,stack->port,"**** Received CAUSE:44, so not cleaning up channel %d\n", channel);
02682 cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n");
02683 set_chan_in_stack(stack, channel);
02684 bc->channel=channel;
02685 misdn_lib_send_restart(stack->port, channel);
02686 } else {
02687 if (channel>0)
02688 empty_chan_in_stack(stack, channel);
02689 }
02690 bc->in_use=0;
02691 }
02692
02693 if (event == EVENT_RESTART) {
02694 cb_log(0, stack->port, "**** Received RESTART_ACK channel:%d\n", bc->restart_channel);
02695 empty_chan_in_stack(stack, bc->restart_channel);
02696 }
02697
02698 cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02699
02700
02701 free_msg(msg);
02702 return 1;
02703 #endif
02704
02705 } else {
02706 struct misdn_bchannel dummybc;
02707 cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02708 memset (&dummybc,0,sizeof(dummybc));
02709 dummybc.port=stack->port;
02710 dummybc.l3_id=frm->dinfo;
02711 bc=&dummybc;
02712 goto handle_frm_bc;
02713 }
02714 }
02715
02716 cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02717 return 0;
02718 }
02719
02720
02721 static int handle_l1(msg_t *msg)
02722 {
02723 iframe_t *frm = (iframe_t*) msg->data;
02724 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02725 int i ;
02726
02727 if (!stack) return 0 ;
02728
02729 switch (frm->prim) {
02730 case PH_ACTIVATE | CONFIRM:
02731 case PH_ACTIVATE | INDICATION:
02732 cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02733 stack->l1link=1;
02734
02735 if (stack->nt) {
02736
02737 if (stack->nst.l1_l2(&stack->nst, msg))
02738 free_msg(msg);
02739
02740 if (stack->ptp)
02741 misdn_lib_get_l2_up(stack);
02742 } else {
02743 free_msg(msg);
02744 }
02745
02746 for (i=0;i<=stack->b_num; i++) {
02747 if (stack->bc[i].evq != EVENT_NOTHING) {
02748 cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02749 misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02750 stack->bc[i].evq=EVENT_NOTHING;
02751 }
02752
02753 }
02754 return 1;
02755
02756 case PH_ACTIVATE | REQUEST:
02757 free_msg(msg);
02758 cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02759 return 1;
02760
02761 case PH_DEACTIVATE | REQUEST:
02762 free_msg(msg);
02763 cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02764 return 1;
02765
02766 case PH_DEACTIVATE | CONFIRM:
02767 case PH_DEACTIVATE | INDICATION:
02768 cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02769
02770 #if 0
02771 for (i=0; i<=stack->b_num; i++) {
02772 if (global_state == MISDN_INITIALIZED) {
02773 cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02774 }
02775 }
02776 #endif
02777
02778 if (stack->nt) {
02779 if (stack->nst.l1_l2(&stack->nst, msg))
02780 free_msg(msg);
02781 } else {
02782 free_msg(msg);
02783 }
02784
02785 stack->l1link=0;
02786 stack->l2link=0;
02787 return 1;
02788 }
02789
02790 return 0;
02791 }
02792
02793 static int handle_l2(msg_t *msg)
02794 {
02795 iframe_t *frm = (iframe_t*) msg->data;
02796
02797 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02798
02799 if (!stack) {
02800 return 0 ;
02801 }
02802
02803 switch(frm->prim) {
02804
02805 case DL_ESTABLISH | REQUEST:
02806 cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02807 return 1;
02808 case DL_RELEASE | REQUEST:
02809 cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02810 return 1;
02811
02812 case DL_ESTABLISH | INDICATION:
02813 case DL_ESTABLISH | CONFIRM:
02814 {
02815 cb_log (3, stack->port, "L2: L2Link Up! \n");
02816 if (stack->ptp && stack->l2link) {
02817 cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
02818 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02819 }
02820 stack->l2link=1;
02821 free_msg(msg);
02822 return 1;
02823 }
02824 break;
02825
02826 case DL_RELEASE | INDICATION:
02827 case DL_RELEASE | CONFIRM:
02828 {
02829 cb_log (3, stack->port, "L2: L2Link Down! \n");
02830 stack->l2link=0;
02831
02832 free_msg(msg);
02833 return 1;
02834 }
02835 break;
02836 }
02837 return 0;
02838 }
02839
02840 static int handle_mgmt(msg_t *msg)
02841 {
02842 struct misdn_stack *stack;
02843 iframe_t *frm = (iframe_t*) msg->data;
02844
02845 if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02846 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02847 free_msg(msg);
02848 return 1;
02849 }
02850
02851 stack=find_stack_by_addr(frm->addr);
02852
02853 if (!stack) {
02854 if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02855 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02856 frm->addr) ;
02857 free_msg(msg);
02858 return 1;
02859 }
02860
02861 return 0;
02862 }
02863
02864 switch(frm->prim) {
02865 case MGR_SHORTSTATUS | INDICATION:
02866 case MGR_SHORTSTATUS | CONFIRM:
02867 cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02868
02869 switch (frm->dinfo) {
02870 case SSTATUS_L1_ACTIVATED:
02871 cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02872 stack->l1link=1;
02873
02874 break;
02875 case SSTATUS_L1_DEACTIVATED:
02876 cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02877 stack->l1link=0;
02878 #if 0
02879 clear_l3(stack);
02880 #endif
02881 break;
02882
02883 case SSTATUS_L2_ESTABLISHED:
02884 cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02885
02886
02887 stack->l1link=1;
02888 stack->l2link=1;
02889 break;
02890
02891 case SSTATUS_L2_RELEASED:
02892 cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02893 stack->l2link=0;
02894 break;
02895 }
02896
02897 free_msg(msg);
02898 return 1;
02899
02900 case MGR_SETSTACK | INDICATION:
02901 cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02902 free_msg(msg);
02903 return 1;
02904 case MGR_DELLAYER | CONFIRM:
02905 cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02906 free_msg(msg);
02907 return 1;
02908
02909 }
02910
02911
02912
02913
02914
02915
02916
02917
02918 return 0;
02919 }
02920
02921
02922 static msg_t *fetch_msg(int midev)
02923 {
02924 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02925 int r;
02926
02927 if (!msg) {
02928 cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02929 return NULL;
02930 }
02931
02932 AGAIN:
02933 r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02934 msg->len=r;
02935
02936 if (r==0) {
02937 free_msg(msg);
02938 cb_log(6,0,"Got empty Msg..\n");
02939 return NULL;
02940 }
02941
02942 if (r<0) {
02943 if (errno == EAGAIN) {
02944
02945 cb_log(4,0,"mISDN_read wants us to wait\n");
02946 usleep(5000);
02947 goto AGAIN;
02948 }
02949
02950 cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
02951 }
02952
02953 #if 0
02954 if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02955 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 );
02956 #endif
02957 return msg;
02958 }
02959
02960 void misdn_lib_isdn_l1watcher(int port)
02961 {
02962 struct misdn_stack *stack;
02963
02964 for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02965 ;
02966
02967 if (stack) {
02968 cb_log(4, port, "Checking L1 State\n");
02969 if (!stack->l1link) {
02970 cb_log(4, port, "L1 State Down, trying to get it up again\n");
02971 misdn_lib_get_short_status(stack);
02972 misdn_lib_get_l1_up(stack);
02973 misdn_lib_get_l2_up(stack);
02974 }
02975 }
02976 }
02977
02978 static void misdn_lib_isdn_event_catcher(void *arg)
02979 {
02980 struct misdn_lib *mgr = arg;
02981 int zero_frm=0 , fff_frm=0 ;
02982 int midev= mgr->midev;
02983 int port=0;
02984
02985 while (1) {
02986 msg_t *msg = fetch_msg(midev);
02987 iframe_t *frm;
02988
02989
02990 if (!msg) continue;
02991
02992 frm = (iframe_t*) msg->data;
02993
02994
02995 if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
02996 zero_frm++;
02997 free_msg(msg);
02998 continue;
02999 } else {
03000 if (zero_frm) {
03001 cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03002 zero_frm = 0 ;
03003 }
03004 }
03005
03006
03007 if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03008 fff_frm++;
03009 free_msg(msg);
03010 continue;
03011 } else {
03012 if (fff_frm) {
03013 cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03014 fff_frm = 0 ;
03015 }
03016 }
03017
03018 manager_isdn_handler(frm, msg);
03019 }
03020
03021 }
03022
03023
03024
03025
03026 int te_lib_init() {
03027 char buff[1025];
03028 iframe_t *frm=(iframe_t*)buff;
03029 int midev=mISDN_open();
03030 int ret;
03031
03032 memset(buff,0,1025);
03033
03034 if (midev<=0) return midev;
03035
03036
03037 mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03038 ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03039
03040 if (ret < mISDN_HEADER_LEN) {
03041 noentity:
03042 fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03043 exit(-1);
03044 }
03045
03046 entity = frm->dinfo & 0xffff ;
03047
03048 if (!entity)
03049 goto noentity;
03050
03051 return midev;
03052
03053 }
03054
03055 void te_lib_destroy(int midev)
03056 {
03057 char buf[1024];
03058 mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03059
03060 cb_log(4, 0, "Entetity deleted\n");
03061 mISDN_close(midev);
03062 cb_log(4, 0, "midev closed\n");
03063 }
03064
03065
03066
03067 void misdn_lib_transfer(struct misdn_bchannel* holded_bc)
03068 {
03069 holded_bc->holded=0;
03070 }
03071
03072 struct misdn_bchannel *manager_find_bc_by_pid(int pid)
03073 {
03074 struct misdn_stack *stack;
03075 int i;
03076
03077 for (stack=glob_mgr->stack_list;
03078 stack;
03079 stack=stack->next) {
03080 for (i=0; i<=stack->b_num; i++)
03081 if (stack->bc[i].pid == pid) return &stack->bc[i];
03082 }
03083
03084 return NULL;
03085 }
03086
03087 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc)
03088 {
03089 struct misdn_stack *stack=get_stack_by_bc(bc);
03090 return find_bc_holded(stack);
03091 }
03092
03093
03094
03095 static void prepare_bc(struct misdn_bchannel*bc, int channel)
03096 {
03097 bc->channel = channel;
03098 bc->channel_preselected = channel?1:0;
03099 bc->in_use = 1;
03100 bc->need_disconnect=1;
03101 bc->need_release=1;
03102 bc->need_release_complete=1;
03103 bc->cause=16;
03104
03105 if (++mypid>5000) mypid=1;
03106 bc->pid=mypid;
03107
03108 #if 0
03109 bc->addr=0;
03110 bc->b_stid=0;
03111 bc->layer_id=0;
03112 #endif
03113 }
03114
03115 struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec)
03116 {
03117 struct misdn_stack *stack;
03118 int i;
03119
03120 if (channel < 0 || channel > MAX_BCHANS) {
03121 cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03122 return NULL;
03123 }
03124
03125 for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03126
03127 if (stack->port == port) {
03128 int maxnum;
03129 if (stack->blocked) {
03130 cb_log(0,port,"Port is blocked\n");
03131 return NULL;
03132 }
03133
03134 if (channel > 0) {
03135 if (channel <= stack->b_num) {
03136 for (i = 0; i < stack->b_num; i++) {
03137 if (stack->bc[i].in_use && stack->bc[i].channel == channel) {
03138 cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03139 return NULL;
03140 }
03141 }
03142 } else {
03143 cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03144 return NULL;
03145 }
03146 }
03147
03148 maxnum=inout&&!stack->pri&&!stack->ptp?stack->b_num+1:stack->b_num;
03149
03150 if (dec) {
03151 for (i = maxnum-1; i>=0; i--) {
03152 if (!stack->bc[i].in_use) {
03153
03154 if (!stack->pri && i==stack->b_num)
03155 stack->bc[i].cw=1;
03156
03157 prepare_bc(&stack->bc[i], channel);
03158 stack->bc[i].dec=1;
03159 return &stack->bc[i];
03160 }
03161 }
03162 } else {
03163 for (i = 0; i <maxnum; i++) {
03164 if (!stack->bc[i].in_use) {
03165
03166 if (!stack->pri && i==stack->b_num)
03167 stack->bc[i].cw=1;
03168
03169 prepare_bc(&stack->bc[i], channel);
03170 return &stack->bc[i];
03171 }
03172 }
03173 }
03174
03175 cb_log(1,port,"There is no free channel on port (%d)\n",port);
03176 return NULL;
03177 }
03178 }
03179
03180 cb_log(0,port,"Port is not configured (%d)\n",port);
03181 return NULL;
03182 }
03183
03184
03185 static char *fac2str (enum FacFunction func)
03186 {
03187 struct arr_el {
03188 enum FacFunction p;
03189 char *s ;
03190 } arr[] = {
03191 { Fac_None, "Fac_None" },
03192 { Fac_CD, "Fac_CD"},
03193 };
03194
03195 int i;
03196
03197 for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03198 if ( arr[i].p==func) return arr[i].s;
03199
03200 return "unknown";
03201 }
03202
03203 void misdn_lib_log_ies(struct misdn_bchannel *bc)
03204 {
03205 struct misdn_stack *stack;
03206 if (!bc) return;
03207
03208 stack=get_stack_by_bc(bc);
03209
03210 if (!stack) return;
03211
03212 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);
03213
03214 cb_log(2, stack->port,
03215 " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03216 bc->info_dad,
03217 bc->onumplan>=0?'0'+bc->onumplan:' ',
03218 bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03219 bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03220 bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03221 );
03222
03223 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);
03224 cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03225 bc->screen, bc->pres);
03226
03227 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);
03228
03229 cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03230
03231 cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03232
03233 cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03234 }
03235
03236 void misdn_send_lock(struct misdn_bchannel *bc);
03237 void misdn_send_unlock(struct misdn_bchannel *bc);
03238
03239 #define RETURN(a,b) {retval=a; goto b;}
03240
03241 void misdn_send_lock(struct misdn_bchannel *bc)
03242 {
03243
03244 if (bc->send_lock)
03245 pthread_mutex_lock(&bc->send_lock->lock);
03246 }
03247
03248 void misdn_send_unlock(struct misdn_bchannel *bc)
03249 {
03250
03251 if (bc->send_lock)
03252 pthread_mutex_unlock(&bc->send_lock->lock);
03253 }
03254
03255 int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
03256 {
03257 msg_t *msg;
03258 struct misdn_stack *stack;
03259 int retval=0;
03260
03261 if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03262
03263 stack=get_stack_by_bc(bc);
03264
03265 if (!stack) {
03266 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);
03267 RETURN(-1,OUT);
03268 }
03269
03270 misdn_send_lock(bc);
03271
03272
03273 cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03274
03275 if ( stack->nt && !stack->l1link) {
03276
03277 bc->evq=event;
03278 cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03279 misdn_lib_get_l1_up(stack);
03280 RETURN(0,OUT);
03281 }
03282
03283 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);
03284 cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03285 misdn_lib_log_ies(bc);
03286
03287 switch (event) {
03288 case EVENT_SETUP:
03289 if (create_process(glob_mgr->midev, bc)<0) {
03290 cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03291
03292 RETURN(-ENOCHAN,OUT);
03293 }
03294 break;
03295
03296 case EVENT_PROGRESS:
03297 case EVENT_ALERTING:
03298 case EVENT_PROCEEDING:
03299 case EVENT_SETUP_ACKNOWLEDGE:
03300 case EVENT_CONNECT:
03301 if (!stack->nt) break;
03302
03303 case EVENT_RETRIEVE_ACKNOWLEDGE:
03304
03305 if (stack->nt) {
03306 if (bc->channel <=0 ) {
03307 if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03308 cb_log(0, stack->port, " No free channel at the moment\n");
03309
03310 RETURN(-ENOCHAN,OUT);
03311 }
03312 }
03313
03314 }
03315
03316 retval=setup_bc(bc);
03317 if (retval == -EINVAL) {
03318 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03319 }
03320
03321 if (misdn_cap_is_speech(bc->capability)) {
03322 if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03323 if ( *bc->crypt_key ) {
03324 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);
03325
03326 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03327 }
03328
03329 if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03330 manager_ec_enable(bc);
03331
03332 if (bc->txgain != 0) {
03333 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03334 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03335 }
03336
03337 if ( bc->rxgain != 0 ) {
03338 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03339 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03340 }
03341 }
03342 }
03343 break;
03344
03345 case EVENT_HOLD_ACKNOWLEDGE:
03346 {
03347 struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03348 if (!holded_bc) {
03349 cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03350 RETURN(-1,OUT);
03351 }
03352
03353
03354 memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03355 holded_bc->holded=1;
03356 bc_state_change(holded_bc,BCHAN_CLEANED);
03357
03358 stack_holder_add(stack,holded_bc);
03359
03360
03361 if (stack->nt) {
03362 int channel;
03363 if (bc->bc_state == BCHAN_BRIDGED) {
03364 struct misdn_bchannel *bc2;
03365 misdn_split_conf(bc,bc->conf_id);
03366 bc2=find_bc_by_confid(bc->conf_id);
03367 if (!bc2) {
03368 cb_log(0,bc->port,"We have no second bc in bridge???\n");
03369 } else {
03370 misdn_split_conf(bc2,bc->conf_id);
03371 }
03372 }
03373
03374 channel=bc->channel;
03375
03376 empty_bc(bc);
03377 clean_up_bc(bc);
03378
03379 if (channel>0)
03380 empty_chan_in_stack(stack,channel);
03381
03382 bc->in_use=0;
03383 }
03384
03385 }
03386 break;
03387
03388
03389 case EVENT_DISCONNECT:
03390 if (!bc->need_disconnect) {
03391 cb_log(0,bc->port," --> we have already send Disconnect\n");
03392 RETURN(-1,OUT);
03393 }
03394
03395 bc->need_disconnect=0;
03396 break;
03397 case EVENT_RELEASE:
03398 if (!bc->need_release) {
03399 cb_log(0,bc->port," --> we have already send Release\n");
03400 RETURN(-1,OUT);
03401 }
03402 bc->need_disconnect=0;
03403 bc->need_release=0;
03404 break;
03405 case EVENT_RELEASE_COMPLETE:
03406 if (!bc->need_release_complete) {
03407 cb_log(0,bc->port," --> we have already send Release_complete\n");
03408 RETURN(-1,OUT);
03409 }
03410 bc->need_disconnect=0;
03411 bc->need_release=0;
03412 bc->need_release_complete=0;
03413
03414 if (!stack->nt) {
03415
03416 int channel=bc->channel;
03417
03418 int tmpcause=bc->cause;
03419 int tmp_out_cause=bc->out_cause;
03420 empty_bc(bc);
03421 bc->cause=tmpcause;
03422 bc->out_cause=tmp_out_cause;
03423 clean_up_bc(bc);
03424
03425 if (channel>0)
03426 empty_chan_in_stack(stack,channel);
03427
03428 bc->in_use=0;
03429 }
03430 break;
03431
03432 case EVENT_CONNECT_ACKNOWLEDGE:
03433
03434 if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03435 int retval=setup_bc(bc);
03436 if (retval == -EINVAL){
03437 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03438
03439 }
03440 }
03441
03442 if (misdn_cap_is_speech(bc->capability)) {
03443 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03444 manager_ec_enable(bc);
03445
03446 if ( bc->txgain != 0 ) {
03447 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03448 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03449 }
03450 if ( bc->rxgain != 0 ) {
03451 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03452 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03453 }
03454 }
03455 break;
03456
03457 default:
03458 break;
03459 }
03460
03461
03462 msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03463 msg_queue_tail(&stack->downqueue, msg);
03464 sem_post(&glob_mgr->new_msg);
03465
03466 OUT:
03467 misdn_send_unlock(bc);
03468
03469 OUT_POST_UNLOCK:
03470 return retval;
03471 }
03472
03473
03474 static int handle_err(msg_t *msg)
03475 {
03476 iframe_t *frm = (iframe_t*) msg->data;
03477
03478
03479 if (!frm->addr) {
03480 static int cnt=0;
03481 if (!cnt)
03482 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03483 cnt++;
03484 if (cnt>100) {
03485 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03486 cnt=0;
03487 }
03488
03489 free_msg(msg);
03490 return 1;
03491
03492 }
03493
03494 switch (frm->prim) {
03495 case MGR_SETSTACK|INDICATION:
03496 return handle_bchan(msg);
03497 break;
03498
03499 case MGR_SETSTACK|CONFIRM:
03500 case MGR_CLEARSTACK|CONFIRM:
03501 free_msg(msg) ;
03502 return 1;
03503 break;
03504
03505 case DL_DATA|CONFIRM:
03506 cb_log(4,0,"DL_DATA|CONFIRM\n");
03507 free_msg(msg);
03508 return 1;
03509
03510 case PH_CONTROL|CONFIRM:
03511 cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03512 free_msg(msg);
03513 return 1;
03514
03515 case DL_DATA|INDICATION:
03516 {
03517 struct misdn_bchannel *bc;
03518 int port=(frm->addr&MASTER_ID_MASK) >> 8;
03519 int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03520
03521
03522
03523 cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03524
03525 free_msg(msg) ;
03526 return 1;
03527
03528
03529 bc=find_bc_by_channel( port , channel);
03530
03531 if (!bc) {
03532 struct misdn_stack *stack=find_stack_by_port( port );
03533
03534 if (!stack) {
03535 cb_log(0,0," --> stack not found\n");
03536 free_msg(msg);
03537 return 1;
03538 }
03539
03540 cb_log(0,0," --> bc not found by channel\n");
03541 if (stack->l2link)
03542 misdn_lib_get_l2_down(stack);
03543
03544 if (stack->l1link)
03545 misdn_lib_get_l1_down(stack);
03546
03547 free_msg(msg);
03548 return 1;
03549 }
03550
03551 cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03552 }
03553 }
03554
03555 return 0;
03556 }
03557
03558 #if 0
03559 static int queue_l2l3(msg_t *msg)
03560 {
03561 iframe_t *frm= (iframe_t*)msg->data;
03562 struct misdn_stack *stack;
03563 stack=find_stack_by_addr( frm->addr );
03564
03565
03566 if (!stack) {
03567 return 0;
03568 }
03569
03570 msg_queue_tail(&stack->upqueue, msg);
03571 sem_post(&glob_mgr->new_msg);
03572 return 1;
03573 }
03574 #endif
03575
03576 int manager_isdn_handler(iframe_t *frm ,msg_t *msg)
03577 {
03578
03579 if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03580 cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03581 }
03582
03583 if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03584 if (handle_bchan(msg)) {
03585 return 0 ;
03586 }
03587 }
03588
03589 #ifdef RECV_FRM_SYSLOG_DEBUG
03590 syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03591 #endif
03592
03593 if (handle_timers(msg))
03594 return 0 ;
03595
03596
03597 if (handle_mgmt(msg))
03598 return 0 ;
03599
03600 if (handle_l2(msg))
03601 return 0 ;
03602
03603
03604 if (handle_l1(msg))
03605 return 0 ;
03606
03607 if (handle_frm_nt(msg)) {
03608 return 0;
03609 }
03610
03611 if (handle_frm(msg)) {
03612 return 0;
03613 }
03614
03615 if (handle_err(msg)) {
03616 return 0 ;
03617 }
03618
03619 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);
03620 free_msg(msg);
03621
03622
03623 return 0;
03624 }
03625
03626
03627
03628
03629 int misdn_lib_get_port_info(int port)
03630 {
03631 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03632 iframe_t *frm;
03633 struct misdn_stack *stack=find_stack_by_port(port);
03634 if (!msg) {
03635 cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03636 return -1;
03637 }
03638 frm=(iframe_t*)msg->data;
03639 if (!stack ) {
03640 cb_log(0, port, "There is no Stack for this port.\n");
03641 return -1;
03642 }
03643
03644 frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03645
03646 frm->addr = stack->upper_id| FLG_MSG_DOWN;
03647
03648 frm->dinfo = 0;
03649 frm->len = 0;
03650
03651 msg_queue_tail(&glob_mgr->activatequeue, msg);
03652 sem_post(&glob_mgr->new_msg);
03653
03654
03655 return 0;
03656 }
03657
03658
03659 int queue_cleanup_bc(struct misdn_bchannel *bc)
03660 {
03661 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03662 iframe_t *frm;
03663 if (!msg) {
03664 cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03665 return -1;
03666 }
03667 frm=(iframe_t*)msg->data;
03668
03669
03670 frm->prim = MGR_CLEARSTACK| REQUEST;
03671
03672 frm->addr = bc->l3_id;
03673
03674 frm->dinfo = bc->port;
03675 frm->len = 0;
03676
03677 msg_queue_tail(&glob_mgr->activatequeue, msg);
03678 sem_post(&glob_mgr->new_msg);
03679
03680 return 0;
03681
03682 }
03683
03684 int misdn_lib_pid_restart(int pid)
03685 {
03686 struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03687
03688 if (bc) {
03689 manager_clean_bc(bc);
03690 }
03691 return 0;
03692 }
03693
03694
03695 int misdn_lib_send_restart(int port, int channel)
03696 {
03697 struct misdn_bchannel dummybc;
03698 struct misdn_stack *stack=find_stack_by_port(port);
03699 cb_log(0, port, "Sending Restarts on this port.\n");
03700
03701 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03702
03703
03704 if (channel <0) {
03705 dummybc.channel=-1;
03706 cb_log(0, port, "Restarting and all Interfaces\n");
03707 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03708
03709 return 0;
03710 }
03711
03712
03713 if (channel >0) {
03714 int cnt;
03715 dummybc.channel=channel;
03716 cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
03717 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03718
03719
03720 for (cnt=0; cnt<=stack->b_num; cnt++) {
03721 if (stack->bc[cnt].channel == channel) {
03722 empty_bc(&stack->bc[cnt]);
03723 clean_up_bc(&stack->bc[cnt]);
03724 stack->bc[cnt].in_use=0;
03725 }
03726 }
03727 }
03728
03729 return 0;
03730 }
03731
03732
03733 int misdn_lib_port_restart(int port)
03734 {
03735 struct misdn_stack *stack=find_stack_by_port(port);
03736
03737 cb_log(0, port, "Restarting this port.\n");
03738 if (stack) {
03739 cb_log(0, port, "Stack:%p\n",stack);
03740
03741 clear_l3(stack);
03742 {
03743 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03744 iframe_t *frm;
03745
03746 if (!msg) {
03747 cb_log(0, port, "port_restart: alloc_msg failed\n");
03748 return -1;
03749 }
03750
03751 frm=(iframe_t*)msg->data;
03752
03753
03754 frm->prim = DL_RELEASE | REQUEST;
03755 frm->addr = stack->upper_id | FLG_MSG_DOWN;
03756
03757 frm->dinfo = 0;
03758 frm->len = 0;
03759 msg_queue_tail(&glob_mgr->activatequeue, msg);
03760 sem_post(&glob_mgr->new_msg);
03761 }
03762
03763 if (stack->nt)
03764 misdn_lib_reinit_nt_stack(stack->port);
03765
03766 }
03767
03768 return 0;
03769 }
03770
03771
03772
03773 sem_t handler_started;
03774
03775 static void manager_event_handler(void *arg)
03776 {
03777 sem_post(&handler_started);
03778 while (1) {
03779 struct misdn_stack *stack;
03780 msg_t *msg;
03781
03782
03783 sem_wait(&glob_mgr->new_msg);
03784
03785 for (msg=msg_dequeue(&glob_mgr->activatequeue);
03786 msg;
03787 msg=msg_dequeue(&glob_mgr->activatequeue)
03788 )
03789 {
03790
03791 iframe_t *frm = (iframe_t*) msg->data ;
03792
03793 switch ( frm->prim) {
03794
03795 case MGR_CLEARSTACK | REQUEST:
03796
03797 {
03798 struct misdn_bchannel *bc;
03799 struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03800 if (!stack) {
03801 cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03802 free_msg(msg);
03803 break;
03804 }
03805
03806 bc=find_bc_by_l3id(stack,frm->addr);
03807 if (bc) {
03808 cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03809 clean_up_bc(bc);
03810 } else {
03811 cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03812 }
03813 }
03814 free_msg(msg);
03815 break;
03816 case MGR_SETSTACK | REQUEST :
03817 break;
03818 default:
03819 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03820 free_msg(msg);
03821 }
03822 }
03823
03824 for (stack=glob_mgr->stack_list;
03825 stack;
03826 stack=stack->next ) {
03827
03828 while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03829
03830 if (!handle_frm_nt(msg)) {
03831
03832 if (!handle_frm(msg)) {
03833
03834 cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03835 }
03836 }
03837 }
03838
03839
03840
03841
03842
03843
03844 while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03845 if (stack->nt ) {
03846 if (stack->nst.manager_l3(&stack->nst, msg))
03847 cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03848
03849 } else {
03850 iframe_t *frm = (iframe_t *)msg->data;
03851 struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03852 if (bc) send_msg(glob_mgr->midev, bc, msg);
03853 else {
03854 if (frm->dinfo == MISDN_ID_GLOBAL) {
03855 struct misdn_bchannel dummybc;
03856 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03857 send_msg(glob_mgr->midev, &dummybc, msg);
03858 }
03859 }
03860 }
03861 }
03862 }
03863 }
03864 }
03865
03866
03867 int misdn_lib_maxports_get() {
03868
03869 int i = mISDN_open();
03870 int max=0;
03871
03872 if (i<0)
03873 return -1;
03874
03875 max = mISDN_get_stack_count(i);
03876
03877 mISDN_close(i);
03878
03879 return max;
03880 }
03881
03882
03883 void misdn_lib_nt_keepcalls( int kc)
03884 {
03885 #ifdef FEATURE_NET_KEEPCALLS
03886 if (kc) {
03887 struct misdn_stack *stack=get_misdn_stack();
03888 for ( ; stack; stack=stack->next) {
03889 stack->nst.feature |= FEATURE_NET_KEEPCALLS;
03890 }
03891 }
03892 #endif
03893 }
03894
03895 void misdn_lib_nt_debug_init( int flags, char *file )
03896 {
03897 int static init=0;
03898 char *f;
03899
03900 if (!flags)
03901 f=NULL;
03902 else
03903 f=file;
03904
03905 if (!init) {
03906 debug_init( flags , f, f, f);
03907 init=1;
03908 } else {
03909 debug_close();
03910 debug_init( flags , f, f, f);
03911 }
03912 }
03913
03914
03915 int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data)
03916 {
03917 struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
03918 char *tok, *tokb;
03919 char plist[1024];
03920 int midev;
03921 int port_count=0;
03922
03923 cb_log = iface->cb_log;
03924 cb_event = iface->cb_event;
03925 cb_jb_empty = iface->cb_jb_empty;
03926
03927 glob_mgr = mgr;
03928
03929 msg_init();
03930
03931 misdn_lib_nt_debug_init(0,NULL);
03932
03933 if (!portlist || (*portlist == 0) ) return 1;
03934
03935 init_flip_bits();
03936
03937 {
03938 strncpy(plist,portlist, 1024);
03939 plist[1023] = 0;
03940 }
03941
03942 memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
03943 flip_buf_bits(tone_425_flip,TONE_425_SIZE);
03944
03945 memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
03946 flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
03947
03948 midev=te_lib_init();
03949 mgr->midev=midev;
03950
03951 port_count=mISDN_get_stack_count(midev);
03952
03953 msg_queue_init(&mgr->activatequeue);
03954
03955 if (sem_init(&mgr->new_msg, 1, 0)<0)
03956 sem_init(&mgr->new_msg, 0, 0);
03957
03958 for (tok=strtok_r(plist," ,",&tokb );
03959 tok;
03960 tok=strtok_r(NULL," ,",&tokb)) {
03961 int port = atoi(tok);
03962 struct misdn_stack *stack;
03963 static int first=1;
03964 int ptp=0;
03965
03966 if (strstr(tok, "ptp"))
03967 ptp=1;
03968
03969 if (port > port_count) {
03970 cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
03971 exit(1);
03972 }
03973 stack=stack_init(midev, port, ptp);
03974
03975 if (!stack) {
03976 perror("init_stack");
03977 exit(1);
03978 }
03979
03980 {
03981 int i;
03982 for(i=0;i<=stack->b_num; i++) {
03983 int r;
03984 if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
03985 cb_log(0, port, "Got Err @ init_bc :%d\n",r);
03986 exit(1);
03987 }
03988 }
03989 }
03990
03991 if (stack && first) {
03992 mgr->stack_list=stack;
03993 first=0;
03994 continue;
03995 }
03996
03997 if (stack) {
03998 struct misdn_stack * help;
03999 for ( help=mgr->stack_list; help; help=help->next )
04000 if (help->next == NULL) break;
04001 help->next=stack;
04002 }
04003
04004 }
04005
04006 if (sem_init(&handler_started, 1, 0)<0)
04007 sem_init(&handler_started, 0, 0);
04008
04009 cb_log(8, 0, "Starting Event Handler\n");
04010 pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04011
04012 sem_wait(&handler_started) ;
04013 cb_log(8, 0, "Starting Event Catcher\n");
04014 pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04015
04016 cb_log(8, 0, "Event Catcher started\n");
04017
04018 global_state= MISDN_INITIALIZED;
04019
04020 return (mgr == NULL);
04021 }
04022
04023 void misdn_lib_destroy()
04024 {
04025 struct misdn_stack *help;
04026 int i;
04027
04028 for ( help=glob_mgr->stack_list; help; help=help->next ) {
04029 for(i=0;i<=help->b_num; i++) {
04030 char buf[1024];
04031 mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04032 help->bc[i].addr = 0;
04033 }
04034 cb_log (1, help->port, "Destroying this port.\n");
04035 stack_destroy(help);
04036 }
04037
04038 if (global_state == MISDN_INITIALIZED) {
04039 cb_log(4, 0, "Killing Handler Thread\n");
04040 if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04041 cb_log(4, 0, "Joining Handler Thread\n");
04042 pthread_join(glob_mgr->event_handler_thread, NULL);
04043 }
04044
04045 cb_log(4, 0, "Killing Main Thread\n");
04046 if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04047 cb_log(4, 0, "Joining Main Thread\n");
04048 pthread_join(glob_mgr->event_thread, NULL);
04049 }
04050 }
04051
04052 cb_log(1, 0, "Closing mISDN device\n");
04053 te_lib_destroy(glob_mgr->midev);
04054 }
04055
04056 char *manager_isdn_get_info(enum event_e event)
04057 {
04058 return isdn_get_info(msgs_g , event, 0);
04059 }
04060
04061 void manager_bchannel_activate(struct misdn_bchannel *bc)
04062 {
04063 char buf[128];
04064
04065 struct misdn_stack *stack=get_stack_by_bc(bc);
04066
04067 if (!stack) {
04068 cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04069 return ;
04070 }
04071
04072
04073 clear_ibuffer(bc->astbuf);
04074
04075 cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04076
04077 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04078
04079 return ;
04080 }
04081
04082
04083 void manager_bchannel_deactivate(struct misdn_bchannel * bc)
04084 {
04085 char buf[128];
04086 iframe_t dact;
04087 struct misdn_stack *stack=get_stack_by_bc(bc);
04088
04089 switch (bc->bc_state) {
04090 case BCHAN_ACTIVATED:
04091 break;
04092 case BCHAN_BRIDGED:
04093 misdn_split_conf(bc,bc->conf_id);
04094 break;
04095 default:
04096 cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04097 return ;
04098
04099 }
04100
04101 cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04102
04103 bc->generate_tone=0;
04104
04105 dact.prim = DL_RELEASE | REQUEST;
04106 dact.addr = bc->addr | FLG_MSG_DOWN;
04107 dact.dinfo = 0;
04108 dact.len = 0;
04109 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04110
04111 clear_ibuffer(bc->astbuf);
04112
04113 bc_state_change(bc,BCHAN_RELEASE);
04114
04115 return;
04116 }
04117
04118
04119 int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len)
04120 {
04121 char buf[4096 + mISDN_HEADER_LEN];
04122 iframe_t *frm;
04123 int r;
04124 struct misdn_stack *stack=get_stack_by_bc(bc);
04125
04126 switch (bc->bc_state) {
04127 case BCHAN_ACTIVATED:
04128 case BCHAN_BRIDGED:
04129 break;
04130 default:
04131 cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04132 return -1;
04133 }
04134
04135 frm= (iframe_t*)buf;
04136
04137 frm->prim = DL_DATA|REQUEST;
04138 frm->dinfo = 0;
04139 frm->addr = bc->addr | FLG_MSG_DOWN ;
04140
04141 frm->len = len;
04142 memcpy(&buf[mISDN_HEADER_LEN], data,len);
04143
04144 if ( misdn_cap_is_speech(bc->capability) )
04145 flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04146 else
04147 cb_log(6, stack->port, "Writing %d data bytes\n",len);
04148
04149 cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04150 r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04151 return 0;
04152 }
04153
04154
04155
04156
04157
04158
04159 void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2)
04160 {
04161 unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04162 iframe_t *ctrl = (iframe_t *)buffer;
04163 unsigned int *d = (unsigned int*)&ctrl->data.p;
04164
04165
04166 cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04167
04168 ctrl->prim = PH_CONTROL | REQUEST;
04169 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04170 ctrl->dinfo = 0;
04171 ctrl->len = sizeof(unsigned int)*2;
04172 *d++ = c1;
04173 *d++ = c2;
04174 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04175 }
04176
04177
04178
04179
04180 void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
04181 {
04182 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04183 }
04184
04185 void isdn_lib_update_txgain (struct misdn_bchannel *bc)
04186 {
04187 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04188 }
04189
04190 void isdn_lib_update_ec (struct misdn_bchannel *bc)
04191 {
04192 #ifdef MISDN_1_2
04193 if (*bc->pipeline)
04194 #else
04195 if (bc->ec_enable)
04196 #endif
04197 manager_ec_enable(bc);
04198 else
04199 manager_ec_disable(bc);
04200 }
04201
04202 void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
04203 {
04204 manager_ph_control(bc, DTMF_TONE_STOP, 0);
04205 }
04206
04207
04208
04209
04210 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
04211 {
04212 unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04213 iframe_t *ctrl = (iframe_t *)buffer;
04214 unsigned int *d = (unsigned int *)&ctrl->data.p;
04215
04216
04217 ctrl->prim = PH_CONTROL | REQUEST;
04218 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04219 ctrl->dinfo = 0;
04220 ctrl->len = sizeof(unsigned int) + c2_len;
04221 *d++ = c1;
04222 memcpy(d, c2, c2_len);
04223 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04224 }
04225
04226
04227
04228
04229 void manager_clean_bc(struct misdn_bchannel *bc )
04230 {
04231 struct misdn_stack *stack=get_stack_by_bc(bc);
04232
04233 if (bc->channel>0)
04234 empty_chan_in_stack(stack, bc->channel);
04235 empty_bc(bc);
04236 bc->in_use=0;
04237
04238 cb_event(EVENT_CLEANUP, bc, NULL);
04239 }
04240
04241
04242 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder)
04243 {
04244 struct misdn_bchannel *help;
04245 cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04246
04247 holder->stack_holder=1;
04248
04249 if (!stack ) return ;
04250
04251 holder->next=NULL;
04252
04253 if (!stack->holding) {
04254 stack->holding = holder;
04255 return;
04256 }
04257
04258 for (help=stack->holding;
04259 help;
04260 help=help->next) {
04261 if (!help->next) {
04262 help->next=holder;
04263 break;
04264 }
04265 }
04266
04267 }
04268
04269 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder)
04270 {
04271 struct misdn_bchannel *h1;
04272
04273 if (!holder->stack_holder) return;
04274
04275 holder->stack_holder=0;
04276
04277 cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04278 if (!stack || ! stack->holding) return;
04279
04280 if (holder == stack->holding) {
04281 stack->holding = stack->holding->next;
04282 return;
04283 }
04284
04285 for (h1=stack->holding;
04286 h1;
04287 h1=h1->next) {
04288 if (h1->next == holder) {
04289 h1->next=h1->next->next;
04290 return ;
04291 }
04292 }
04293 }
04294
04295 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan)
04296 {
04297 struct misdn_bchannel *help;
04298
04299 cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04300
04301 if (!stack) return NULL;
04302
04303 for (help=stack->holding;
04304 help;
04305 help=help->next) {
04306 if (help->channel == chan) {
04307 cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04308 return help;
04309 }
04310 }
04311
04312 cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04313 return NULL;
04314
04315 }
04316
04317 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id)
04318 {
04319 struct misdn_bchannel *help;
04320
04321 cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id);
04322
04323 if (!stack) return NULL;
04324
04325 for (help=stack->holding;
04326 help;
04327 help=help->next) {
04328 if (help->l3_id == l3id) {
04329 cb_log(4,stack->port, "*HOLDER: found bc\n");
04330 return help;
04331 }
04332 }
04333
04334 cb_log(4,stack->port, "*HOLDER: find nothing\n");
04335 return NULL;
04336 }
04337
04338
04339
04340 void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone)
04341 {
04342 char buf[mISDN_HEADER_LEN+128];
04343 iframe_t *frm;
04344
04345 switch(tone) {
04346 case TONE_DIAL:
04347 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04348 break;
04349
04350 case TONE_ALERTING:
04351 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04352 break;
04353
04354 case TONE_HANGUP:
04355 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04356 break;
04357
04358 case TONE_NONE:
04359 default:
04360 manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04361 }
04362
04363 frm=(iframe_t*)buf;
04364 memset(buf,0,mISDN_HEADER_LEN+128);
04365
04366 frm->prim=DL_DATA|REQUEST;
04367 frm->addr=bc->addr|FLG_MSG_DOWN;
04368 frm->dinfo=0;
04369 frm->len=128;
04370
04371 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04372 }
04373
04374
04375 void manager_ec_enable(struct misdn_bchannel *bc)
04376 {
04377 struct misdn_stack *stack=get_stack_by_bc(bc);
04378
04379 cb_log(4, stack?stack->port:0,"ec_enable\n");
04380
04381 if (!misdn_cap_is_speech(bc->capability)) {
04382 cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04383 } else {
04384
04385 #ifdef MISDN_1_2
04386 if (*bc->pipeline) {
04387 cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04388 manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04389 }
04390 #else
04391 int ec_arr[2];
04392
04393 if (bc->ec_enable) {
04394 cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04395
04396 switch (bc->ec_deftaps) {
04397 case 4:
04398 case 8:
04399 case 16:
04400 case 32:
04401 case 64:
04402 case 128:
04403 case 256:
04404 case 512:
04405 case 1024:
04406 cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04407 break;
04408 default:
04409 cb_log(0, stack->port, "Taps should be power of 2\n");
04410 bc->ec_deftaps=128;
04411 }
04412
04413 ec_arr[0]=bc->ec_deftaps;
04414 ec_arr[1]=0;
04415
04416 manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr));
04417 }
04418 #endif
04419 }
04420 }
04421
04422
04423
04424 void manager_ec_disable(struct misdn_bchannel *bc)
04425 {
04426 struct misdn_stack *stack=get_stack_by_bc(bc);
04427
04428 cb_log(4, stack?stack->port:0," --> ec_disable\n");
04429
04430 if (!misdn_cap_is_speech(bc->capability)) {
04431 cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04432 return;
04433 }
04434
04435 #ifdef MISDN_1_2
04436 manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04437 #else
04438 if ( ! bc->ec_enable) {
04439 cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04440 manager_ph_control(bc, ECHOCAN_OFF, 0);
04441 }
04442 #endif
04443 }
04444
04445 struct misdn_stack* get_misdn_stack() {
04446 return glob_mgr->stack_list;
04447 }
04448
04449
04450
04451 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id)
04452 {
04453 char data[16];
04454 int len=15;
04455
04456 bc_state_change(bc,BCHAN_BRIDGED);
04457 manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04458 manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04459
04460 cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04461
04462 memset(data,0,15);
04463
04464 misdn_lib_tx2misdn_frm(bc, data, len);
04465
04466 }
04467
04468
04469 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id)
04470 {
04471 bc_state_change(bc,BCHAN_ACTIVATED);
04472 manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04473 manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04474
04475 cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04476 }
04477
04478 void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04479 {
04480 int conf_id=bc1->pid +1;
04481 struct misdn_bchannel *bc_list[]={
04482 bc1,bc2,NULL
04483 };
04484 struct misdn_bchannel **bc;
04485
04486 cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04487
04488 for (bc=bc_list; *bc; bc++) {
04489 (*bc)->conf_id=conf_id;
04490 cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04491
04492 switch((*bc)->bc_state) {
04493 case BCHAN_ACTIVATED:
04494 misdn_join_conf(*bc,conf_id);
04495 break;
04496 default:
04497 bc_next_state_change(*bc,BCHAN_BRIDGED);
04498 break;
04499 }
04500 }
04501 }
04502
04503 void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04504 {
04505
04506 struct misdn_bchannel *bc_list[]={
04507 bc1,bc2,NULL
04508 };
04509 struct misdn_bchannel **bc;
04510
04511 for (bc=bc_list; *bc; bc++) {
04512 if ( (*bc)->bc_state == BCHAN_BRIDGED){
04513 misdn_split_conf( *bc, (*bc)->conf_id);
04514 } else {
04515 cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04516 }
04517 }
04518
04519 }
04520
04521
04522
04523 void misdn_lib_echo(struct misdn_bchannel *bc, int onoff)
04524 {
04525 cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04526 manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04527 }
04528
04529
04530
04531 void misdn_lib_reinit_nt_stack(int port)
04532 {
04533 struct misdn_stack *stack=find_stack_by_port(port);
04534
04535 if (stack) {
04536 stack->l2link=0;
04537 stack->blocked=0;
04538
04539 cleanup_Isdnl3(&stack->nst);
04540 cleanup_Isdnl2(&stack->nst);
04541
04542
04543 memset(&stack->nst, 0, sizeof(net_stack_t));
04544 memset(&stack->mgr, 0, sizeof(manager_t));
04545
04546 stack->mgr.nst = &stack->nst;
04547 stack->nst.manager = &stack->mgr;
04548
04549 stack->nst.l3_manager = handle_event_nt;
04550 stack->nst.device = glob_mgr->midev;
04551 stack->nst.cardnr = port;
04552 stack->nst.d_stid = stack->d_stid;
04553
04554 stack->nst.feature = FEATURE_NET_HOLD;
04555 if (stack->ptp)
04556 stack->nst.feature |= FEATURE_NET_PTP;
04557 if (stack->pri)
04558 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04559
04560 stack->nst.l1_id = stack->lower_id;
04561 stack->nst.l2_id = stack->upper_id;
04562
04563 msg_queue_init(&stack->nst.down_queue);
04564
04565 Isdnl2Init(&stack->nst);
04566 Isdnl3Init(&stack->nst);
04567
04568 if (!stack->ptp)
04569 misdn_lib_get_l1_up(stack);
04570 misdn_lib_get_l2_up(stack);
04571 }
04572 }
04573
04574