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00015 #include <syslog.h>
00016 #include <sys/time.h>
00017 #include <mISDNuser/isdn_debug.h>
00018
00019 #include "isdn_lib_intern.h"
00020 #include "isdn_lib.h"
00021
00022 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id);
00023 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id);
00024
00025 int queue_cleanup_bc(struct misdn_bchannel *bc) ;
00026
00027 int misdn_lib_get_l2_up(struct misdn_stack *stack);
00028
00029 struct misdn_stack* get_misdn_stack( void );
00030
00031 static int set_chan_in_stack(struct misdn_stack *stack, int channel);
00032
00033 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh);
00034
00035 int misdn_lib_port_is_pri(int port)
00036 {
00037 struct misdn_stack *stack=get_misdn_stack();
00038 for ( ; stack; stack=stack->next) {
00039 if (stack->port == port) {
00040 return stack->pri;
00041 }
00042 }
00043
00044 return -1;
00045 }
00046
00047 static void make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel)
00048 {
00049 memset (dummybc,0,sizeof(struct misdn_bchannel));
00050 dummybc->port=port;
00051 dummybc->l3_id=l3id;
00052 dummybc->nt=nt;
00053 dummybc->dummy=1;
00054 dummybc->channel=channel;
00055 }
00056
00057 int misdn_lib_port_block(int port)
00058 {
00059 struct misdn_stack *stack=get_misdn_stack();
00060 for ( ; stack; stack=stack->next) {
00061 if (stack->port == port) {
00062 stack->blocked=1;
00063 return 0;
00064 }
00065 }
00066 return -1;
00067
00068 }
00069
00070 int misdn_lib_port_unblock(int port)
00071 {
00072 struct misdn_stack *stack=get_misdn_stack();
00073 for ( ; stack; stack=stack->next) {
00074 if (stack->port == port) {
00075 stack->blocked=0;
00076 return 0;
00077 }
00078 }
00079 return -1;
00080
00081 }
00082
00083 int misdn_lib_is_port_blocked(int port)
00084 {
00085 struct misdn_stack *stack=get_misdn_stack();
00086 for ( ; stack; stack=stack->next) {
00087 if (stack->port == port) {
00088 return stack->blocked;
00089 }
00090 }
00091 return -1;
00092 }
00093
00094 int misdn_lib_is_ptp(int port)
00095 {
00096 struct misdn_stack *stack=get_misdn_stack();
00097 for ( ; stack; stack=stack->next) {
00098 if (stack->port == port) return stack->ptp;
00099 }
00100 return -1;
00101 }
00102
00103 int misdn_lib_get_maxchans(int port)
00104 {
00105 struct misdn_stack *stack=get_misdn_stack();
00106 for ( ; stack; stack=stack->next) {
00107 if (stack->port == port) {
00108 if (stack->pri)
00109 return 30;
00110 else
00111 return 2;
00112 }
00113 }
00114 return -1;
00115 }
00116
00117
00118 struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc)
00119 {
00120 struct misdn_stack *stack=get_misdn_stack();
00121
00122 if (!bc) return NULL;
00123
00124 for ( ; stack; stack=stack->next) {
00125 int i;
00126 for (i=0; i <=stack->b_num; i++) {
00127 if ( bc->port == stack->port) return stack;
00128 }
00129 }
00130
00131 return NULL;
00132 }
00133
00134
00135 void get_show_stack_details(int port, char *buf)
00136 {
00137 struct misdn_stack *stack=get_misdn_stack();
00138
00139 for ( ; stack; stack=stack->next) {
00140 if (stack->port == port) break;
00141 }
00142
00143 if (stack) {
00144 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);
00145
00146 } else {
00147 buf[0]=0;
00148 }
00149
00150 }
00151
00152
00153 static int nt_err_cnt =0 ;
00154
00155 enum global_states {
00156 MISDN_INITIALIZING,
00157 MISDN_INITIALIZED
00158 } ;
00159
00160 static enum global_states global_state=MISDN_INITIALIZING;
00161
00162
00163 #include <mISDNuser/net_l2.h>
00164 #include <mISDNuser/tone.h>
00165 #include <unistd.h>
00166 #include <semaphore.h>
00167 #include <pthread.h>
00168 #include <signal.h>
00169
00170 #include "isdn_lib.h"
00171
00172
00173 struct misdn_lib {
00174 int midev;
00175 int midev_nt;
00176
00177 pthread_t event_thread;
00178 pthread_t event_handler_thread;
00179
00180 void *user_data;
00181
00182 msg_queue_t upqueue;
00183 msg_queue_t activatequeue;
00184
00185 sem_t new_msg;
00186
00187 struct misdn_stack *stack_list;
00188 } ;
00189
00190 #ifndef ECHOCAN_ON
00191 #define ECHOCAN_ON 123
00192 #define ECHOCAN_OFF 124
00193 #endif
00194
00195 #define MISDN_DEBUG 0
00196
00197 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
00198
00199 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
00200
00201 struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
00202
00203 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan);
00204
00205 int setup_bc(struct misdn_bchannel *bc);
00206
00207 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
00208
00209 int misdn_lib_port_restart(int port);
00210 int misdn_lib_pid_restart(int pid);
00211
00212 extern struct isdn_msg msgs_g[];
00213
00214 #define ISDN_PID_L3_B_USER 0x430000ff
00215 #define ISDN_PID_L4_B_USER 0x440000ff
00216
00217
00218 #define MISDN_IBUF_SIZE 512
00219
00220
00221 #define TONE_ALERT_CNT 41
00222 #define TONE_ALERT_SILENCE_CNT 200
00223
00224 #define TONE_BUSY_CNT 20
00225 #define TONE_BUSY_SILENCE_CNT 48
00226
00227 static int entity;
00228
00229 static struct misdn_lib *glob_mgr;
00230
00231 char tone_425_flip[TONE_425_SIZE];
00232 char tone_silence_flip[TONE_SILENCE_SIZE];
00233
00234 static void misdn_lib_isdn_event_catcher(void *arg);
00235 static int handle_event_nt(void *dat, void *arg);
00236
00237
00238 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder);
00239 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder);
00240 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id);
00241
00242
00243 int init_bc(struct misdn_stack * stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime);
00244 struct misdn_stack* stack_init(int midev, int port, int ptp);
00245 void stack_destroy(struct misdn_stack* stack);
00246
00247 int te_lib_init( void ) ;
00248 void te_lib_destroy(int midev) ;
00249 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
00250 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc);
00251 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
00252 void manager_clean_bc(struct misdn_bchannel *bc );
00253 void manager_bchannel_setup (struct misdn_bchannel *bc);
00254 void manager_bchannel_cleanup (struct misdn_bchannel *bc);
00255
00256 void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size);
00257
00258 int bchdev_echocancel_activate(struct misdn_bchannel* dev);
00259 void bchdev_echocancel_deactivate(struct misdn_bchannel* dev);
00260
00261
00262
00263 static char *bearer2str(int cap) {
00264 static char *bearers[]={
00265 "Speech",
00266 "Audio 3.1k",
00267 "Unres Digital",
00268 "Res Digital",
00269 "Unknown Bearer"
00270 };
00271
00272 switch (cap) {
00273 case INFO_CAPABILITY_SPEECH:
00274 return bearers[0];
00275 break;
00276 case INFO_CAPABILITY_AUDIO_3_1K:
00277 return bearers[1];
00278 break;
00279 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00280 return bearers[2];
00281 break;
00282 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00283 return bearers[3];
00284 break;
00285 default:
00286 return bearers[4];
00287 break;
00288 }
00289 }
00290
00291
00292 static char flip_table[256];
00293
00294 static void init_flip_bits(void)
00295 {
00296 int i,k;
00297
00298 for (i = 0 ; i < 256 ; i++) {
00299 unsigned char sample = 0 ;
00300 for (k = 0; k<8; k++) {
00301 if ( i & 1 << k ) sample |= 0x80 >> k;
00302 }
00303 flip_table[i] = sample;
00304 }
00305 }
00306
00307 static char * flip_buf_bits ( char * buf , int len)
00308 {
00309 int i;
00310 char * start = buf;
00311
00312 for (i = 0 ; i < len; i++) {
00313 buf[i] = flip_table[(unsigned char)buf[i]];
00314 }
00315
00316 return start;
00317 }
00318
00319
00320
00321
00322 static msg_t *create_l2msg(int prim, int dinfo, int size)
00323 {
00324 int i = 0;
00325 msg_t *dmsg;
00326
00327 while(i < 10)
00328 {
00329 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00330 if (dmsg)
00331 return(dmsg);
00332
00333 if (!i)
00334 printf("cannot allocate memory, trying again...\n");
00335 i++;
00336 usleep(300000);
00337 }
00338 printf("cannot allocate memory, system overloaded.\n");
00339 exit(-1);
00340 }
00341
00342
00343
00344 msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode)
00345 {
00346 int i = 0;
00347 msg_t *dmsg;
00348 Q931_info_t *qi;
00349 iframe_t *frm;
00350
00351 if (!ntmode)
00352 size = sizeof(Q931_info_t)+2;
00353
00354 while(i < 10) {
00355 if (ntmode) {
00356 dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00357 if (dmsg) {
00358 return(dmsg);
00359 }
00360 } else {
00361 dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00362 if (dmsg)
00363 {
00364 memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00365 frm = (iframe_t *)dmsg->data;
00366 frm->prim = prim;
00367 frm->dinfo = dinfo;
00368 qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00369 qi->type = mt;
00370 return(dmsg);
00371 }
00372 }
00373
00374 if (!i) printf("cannot allocate memory, trying again...\n");
00375 i++;
00376 usleep(300000);
00377 }
00378 printf("cannot allocate memory, system overloaded.\n");
00379 exit(-1);
00380 }
00381
00382
00383 static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
00384 {
00385 struct misdn_stack *stack;
00386 iframe_t *frm;
00387 frm = (iframe_t *)dmsg->data;
00388 stack=get_stack_by_bc(bc);
00389
00390 if (!stack) {
00391 cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00392 return -1;
00393 }
00394
00395 frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00396 frm->dinfo = bc->l3_id;
00397 frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00398
00399 cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00400
00401 mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00402 free_msg(dmsg);
00403
00404 return 0;
00405 }
00406
00407
00408 static int mypid=1;
00409
00410
00411 int misdn_cap_is_speech(int cap)
00412
00413 {
00414 if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00415 (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00416 return 0;
00417 }
00418
00419 int misdn_inband_avail(struct misdn_bchannel *bc)
00420 {
00421
00422
00423 if ( ! bc->early_bconnect ) return 0;
00424
00425 switch (bc->progress_indicator) {
00426 case INFO_PI_INBAND_AVAILABLE:
00427 case INFO_PI_CALL_NOT_E2E_ISDN:
00428 case INFO_PI_CALLED_NOT_ISDN:
00429 return 1;
00430 default:
00431 return 0;
00432 }
00433 return 0;
00434 }
00435
00436
00437 static void dump_chan_list(struct misdn_stack *stack)
00438 {
00439 int i;
00440
00441 for (i=0; i <= stack->b_num; i++) {
00442 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);
00443 }
00444 }
00445
00446
00447 void misdn_dump_chanlist()
00448 {
00449 struct misdn_stack *stack=get_misdn_stack();
00450 for ( ; stack; stack=stack->next) {
00451 dump_chan_list(stack);
00452 }
00453
00454 }
00455
00456 int set_chan_in_stack(struct misdn_stack *stack, int channel)
00457 {
00458
00459 cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00460 dump_chan_list(stack);
00461 if (channel >=1 && channel <= MAX_BCHANS) {
00462 if (!stack->channels[channel-1])
00463 stack->channels[channel-1] = 1;
00464 else {
00465 cb_log(4,stack->port,"channel already in use:%d\n", channel );
00466 return -1;
00467 }
00468 } else {
00469 cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00470 return -1;
00471 }
00472
00473 return 0;
00474 }
00475
00476
00477
00478 static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
00479 {
00480 int i;
00481 int bnums;
00482 int chan=0;
00483
00484 if (bc->channel_found)
00485 return 0;
00486
00487 bc->channel_found=1;
00488
00489 cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00490
00491
00492 if (channel < 0 || channel > MAX_BCHANS) {
00493 cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00494 return 0;
00495 }
00496
00497 channel--;
00498
00499 bnums=stack->pri?stack->b_num:stack->b_num-1;
00500
00501 if (dec) {
00502 for (i = bnums; i >=0; i--) {
00503 if (i != 15 && (channel < 0 || i == channel)) {
00504 if (!stack->channels[i]) {
00505 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00506 chan=i+1;
00507 break;
00508 }
00509 }
00510 }
00511 } else {
00512 for (i = 0; i <= bnums; i++) {
00513 if (i != 15 && (channel < 0 || i == channel)) {
00514 if (!stack->channels[i]) {
00515 cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00516 chan=i+1;
00517 break;
00518 }
00519 }
00520 }
00521 }
00522
00523 if (!chan) {
00524 cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00525 dump_chan_list(stack);
00526 bc->out_cause=34;
00527 return -1;
00528 }
00529
00530 if (set_chan_in_stack(stack, chan)<0) {
00531 cb_log (0, stack->port, "Channel Already in use:%d\n", chan);
00532 bc->out_cause=44;
00533 return -1;
00534 }
00535
00536 bc->channel=chan;
00537 return 0;
00538 }
00539
00540 static int empty_chan_in_stack(struct misdn_stack *stack, int channel)
00541 {
00542 if (channel<=0 || channel>MAX_BCHANS) {
00543 cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00544 return -1;
00545 }
00546
00547 cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel);
00548 stack->channels[channel-1] = 0;
00549 dump_chan_list(stack);
00550 return 0;
00551 }
00552
00553 char *bc_state2str(enum bchannel_state state) {
00554 int i;
00555
00556 struct bchan_state_s {
00557 char *n;
00558 enum bchannel_state s;
00559 } states[] = {
00560 {"BCHAN_CLEANED", BCHAN_CLEANED },
00561 {"BCHAN_EMPTY", BCHAN_EMPTY},
00562 {"BCHAN_SETUP", BCHAN_SETUP},
00563 {"BCHAN_SETUPED", BCHAN_SETUPED},
00564 {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00565 {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00566 {"BCHAN_BRIDGE", BCHAN_BRIDGE},
00567 {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00568 {"BCHAN_RELEASE", BCHAN_RELEASE},
00569 {"BCHAN_RELEASED", BCHAN_RELEASED},
00570 {"BCHAN_CLEAN", BCHAN_CLEAN},
00571 {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00572 {"BCHAN_ERROR", BCHAN_ERROR}
00573 };
00574
00575 for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00576 if ( states[i].s == state)
00577 return states[i].n;
00578
00579 return "UNKNOWN";
00580 }
00581
00582 void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00583 {
00584 cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00585 bc->l3_id,
00586 bc_state2str(bc->bc_state),
00587 bc_state2str(state) );
00588
00589 switch (state) {
00590 case BCHAN_ACTIVATED:
00591 if (bc->next_bc_state == BCHAN_BRIDGED) {
00592 misdn_join_conf(bc, bc->conf_id);
00593 bc->next_bc_state = BCHAN_EMPTY;
00594 return;
00595 }
00596 default:
00597 bc->bc_state=state;
00598 break;
00599 }
00600 }
00601
00602 static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state)
00603 {
00604 cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00605 bc_state2str(bc->next_bc_state),
00606 bc_state2str(state) );
00607
00608 bc->next_bc_state=state;
00609 }
00610
00611
00612 static void empty_bc(struct misdn_bchannel *bc)
00613 {
00614 bc->dummy=0;
00615
00616 bc->bframe_len=0;
00617
00618 bc->cw= 0;
00619
00620 bc->dec=0;
00621 bc->channel = 0;
00622
00623 bc->sending_complete = 0;
00624
00625 bc->restart_channel=0;
00626
00627 bc->conf_id = 0;
00628
00629 bc->need_more_infos = 0;
00630
00631 bc->send_dtmf=0;
00632 bc->nodsp=0;
00633 bc->nojitter=0;
00634
00635 bc->time_usec=0;
00636
00637 bc->rxgain=0;
00638 bc->txgain=0;
00639
00640 bc->crypt=0;
00641 bc->curptx=0; bc->curprx=0;
00642
00643 bc->crypt_key[0] = 0;
00644
00645 bc->generate_tone=0;
00646 bc->tone_cnt=0;
00647
00648 bc->dnumplan=NUMPLAN_UNKNOWN;
00649 bc->onumplan=NUMPLAN_UNKNOWN;
00650 bc->rnumplan=NUMPLAN_UNKNOWN;
00651 bc->cpnnumplan=NUMPLAN_UNKNOWN;
00652
00653
00654 bc->active = 0;
00655
00656 bc->early_bconnect = 1;
00657
00658 #ifdef MISDN_1_2
00659 *bc->pipeline = 0;
00660 #else
00661 bc->ec_enable = 0;
00662 bc->ec_deftaps = 128;
00663 #endif
00664
00665 bc->orig=0;
00666
00667 bc->cause=16;
00668 bc->out_cause=16;
00669 bc->pres=0 ;
00670
00671 bc->evq=EVENT_NOTHING;
00672
00673 bc->progress_coding=0;
00674 bc->progress_location=0;
00675 bc->progress_indicator=0;
00676
00677
00678 bc->capability=INFO_CAPABILITY_SPEECH;
00679 bc->law=INFO_CODEC_ALAW;
00680 bc->mode=0;
00681 bc->rate=0x10;
00682 bc->user1=0;
00683 bc->urate=0;
00684
00685 bc->hdlc=0;
00686
00687
00688 bc->info_dad[0] = 0;
00689 bc->display[0] = 0;
00690 bc->infos_pending[0] = 0;
00691 bc->cad[0] = 0;
00692 bc->oad[0] = 0;
00693 bc->dad[0] = 0;
00694 bc->rad[0] = 0;
00695 bc->orig_dad[0] = 0;
00696 bc->uu[0]=0;
00697 bc->uulen=0;
00698
00699 bc->fac_in.Function = Fac_None;
00700 bc->fac_out.Function = Fac_None;
00701
00702 bc->te_choose_channel = 0;
00703 bc->channel_found= 0;
00704
00705 gettimeofday(&bc->last_used, NULL);
00706 }
00707
00708
00709 static int clean_up_bc(struct misdn_bchannel *bc)
00710 {
00711 int ret=0;
00712 unsigned char buff[32];
00713 struct misdn_stack * stack;
00714
00715 cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00716
00717 if (!bc ) return -1;
00718 stack=get_stack_by_bc(bc);
00719
00720 if (!stack) return -1;
00721
00722 switch (bc->bc_state ) {
00723 case BCHAN_CLEANED:
00724 cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00725 return -1;
00726
00727 default:
00728 break;
00729 }
00730
00731 cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00732
00733 manager_ec_disable(bc);
00734
00735 manager_bchannel_deactivate(bc);
00736
00737 mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00738
00739 bc->b_stid = 0;
00740 bc_state_change(bc, BCHAN_CLEANED);
00741
00742 return ret;
00743 }
00744
00745
00746
00747 static void clear_l3(struct misdn_stack *stack)
00748 {
00749 int i;
00750
00751 for (i=0; i<=stack->b_num; i++) {
00752 if (global_state == MISDN_INITIALIZED) {
00753 cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00754 empty_chan_in_stack(stack,i+1);
00755 empty_bc(&stack->bc[i]);
00756 clean_up_bc(&stack->bc[i]);
00757 stack->bc[i].in_use = 0;
00758 }
00759
00760 }
00761 }
00762
00763 static int newteid=0;
00764
00765 #define MAXPROCS 0x100
00766
00767 static int misdn_lib_get_l1_down(struct misdn_stack *stack)
00768 {
00769
00770 iframe_t act;
00771 act.prim = PH_DEACTIVATE | REQUEST;
00772 act.addr = stack->lower_id|FLG_MSG_DOWN;
00773 act.dinfo = 0;
00774 act.len = 0;
00775
00776 cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00777 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00778 }
00779
00780
00781 static int misdn_lib_get_l2_down(struct misdn_stack *stack)
00782 {
00783
00784 if (stack->ptp && (stack->nt) ) {
00785 msg_t *dmsg;
00786
00787 dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00788
00789 if (stack->nst.manager_l3(&stack->nst, dmsg))
00790 free_msg(dmsg);
00791
00792 } else {
00793 iframe_t act;
00794
00795 act.prim = DL_RELEASE| REQUEST;
00796 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00797
00798 act.dinfo = 0;
00799 act.len = 0;
00800 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00801 }
00802
00803 return 0;
00804 }
00805
00806
00807 static int misdn_lib_get_l1_up(struct misdn_stack *stack)
00808 {
00809
00810 iframe_t act;
00811 act.prim = PH_ACTIVATE | REQUEST;
00812 act.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00813
00814
00815 act.dinfo = 0;
00816 act.len = 0;
00817
00818 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00819
00820 }
00821
00822 int misdn_lib_get_l2_up(struct misdn_stack *stack)
00823 {
00824
00825 if (stack->ptp && (stack->nt) ) {
00826 msg_t *dmsg;
00827
00828 dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00829
00830 if (stack->nst.manager_l3(&stack->nst, dmsg))
00831 free_msg(dmsg);
00832
00833 } else {
00834 iframe_t act;
00835
00836 act.prim = DL_ESTABLISH | REQUEST;
00837 act.addr = (stack->upper_id |FLG_MSG_DOWN) ;
00838
00839 act.dinfo = 0;
00840 act.len = 0;
00841 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00842 }
00843
00844 return 0;
00845 }
00846
00847 #if 0
00848 static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack)
00849 {
00850 iframe_t act;
00851
00852 act.prim = DL_ESTABLISH | REQUEST;
00853 act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
00854
00855 act.dinfo = 0;
00856 act.len = 0;
00857 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00858 return 0;
00859 }
00860 #endif
00861
00862 static int misdn_lib_get_short_status(struct misdn_stack *stack)
00863 {
00864 iframe_t act;
00865
00866
00867 act.prim = MGR_SHORTSTATUS | REQUEST;
00868
00869 act.addr = (stack->upper_id | MSG_BROADCAST) ;
00870
00871 act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00872
00873 act.len = 0;
00874 return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00875 }
00876
00877
00878
00879 static int create_process (int midev, struct misdn_bchannel *bc) {
00880 iframe_t ncr;
00881 int l3_id;
00882 int i;
00883 struct misdn_stack *stack=get_stack_by_bc(bc);
00884
00885 if (stack->nt) {
00886 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, 0)<0) return -1;
00887 cb_log(4,stack->port, " --> found channel: %d\n",bc->channel);
00888
00889 for (i=0; i <= MAXPROCS; i++)
00890 if (stack->procids[i]==0) break;
00891
00892 if (i== MAXPROCS) {
00893 cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00894 return -1;
00895 }
00896 stack->procids[i]=1;
00897
00898 l3_id = 0xff00 | i;
00899
00900 ncr.prim = CC_NEW_CR | REQUEST;
00901
00902 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00903
00904 ncr.dinfo = l3_id;
00905 ncr.len = 0;
00906
00907 bc->l3_id = l3_id;
00908 cb_log(3, stack->port, " --> new_l3id %x\n",l3_id);
00909
00910 } else {
00911 if (stack->ptp || bc->te_choose_channel) {
00912
00913 if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, bc->dec)<0) return -1;
00914 cb_log(2,stack->port, " --> found channel: %d\n",bc->channel);
00915 } else {
00916
00917 bc->channel=0xff;
00918 }
00919
00920
00921
00922 if (newteid++ > 0xffff)
00923 newteid = 0x0001;
00924
00925 l3_id = (entity<<16) | newteid;
00926
00927 ncr.prim = CC_NEW_CR | REQUEST;
00928
00929 ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ;
00930
00931 ncr.dinfo =l3_id;
00932 ncr.len = 0;
00933
00934
00935 bc->l3_id = l3_id;
00936 cb_log(3, stack->port, "--> new_l3id %x\n",l3_id);
00937
00938 mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC);
00939 }
00940
00941 return l3_id;
00942 }
00943
00944
00945 void misdn_lib_setup_bc(struct misdn_bchannel *bc)
00946 {
00947 clean_up_bc(bc);
00948 setup_bc(bc);
00949 }
00950
00951
00952 int setup_bc(struct misdn_bchannel *bc)
00953 {
00954 unsigned char buff[1025];
00955 int midev, i;
00956 int channel;
00957 int b_stid;
00958
00959 mISDN_pid_t pid;
00960 int ret;
00961
00962
00963 struct misdn_stack *stack=get_stack_by_bc(bc);
00964
00965 if (!stack) {
00966 cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00967 return -1;
00968 }
00969
00970 midev=stack->midev;
00971 channel=bc->channel-1-(bc->channel>16);
00972 b_stid=stack->b_stids[channel>=0?channel:0];
00973
00974
00975 switch (bc->bc_state) {
00976 case BCHAN_CLEANED:
00977 break;
00978 default:
00979 cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00980 return -1;
00981 }
00982
00983 cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00984
00985
00986 for (i=0; i <= stack->b_num; i++) {
00987 if (stack->bc[i].b_stid == b_stid) {
00988 cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
00989 return -1;
00990 }
00991 }
00992
00993 if (b_stid <= 0) {
00994 cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00995
00996 bc_state_change(bc,BCHAN_ERROR);
00997 return 1;
00998 }
00999
01000
01001 bc->b_stid = b_stid;
01002
01003 {
01004 layer_info_t li;
01005 memset(&li, 0, sizeof(li));
01006
01007 li.object_id = -1;
01008 li.extentions = 0;
01009
01010 li.st = bc->b_stid;
01011
01012
01013 #define MISDN_DSP
01014 #ifndef MISDN_DSP
01015 bc->nodsp=1;
01016 #endif
01017 if ( bc->hdlc || bc->nodsp) {
01018 cb_log(4, stack->port,"setup_bc: without dsp\n");
01019 {
01020 int l = sizeof(li.name);
01021 strncpy(li.name, "B L3", l);
01022 li.name[l-1] = 0;
01023 }
01024 li.pid.layermask = ISDN_LAYER((3));
01025 li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01026
01027 bc->layer=3;
01028 } else {
01029 cb_log(4, stack->port,"setup_bc: with dsp\n");
01030 {
01031 int l = sizeof(li.name);
01032 strncpy(li.name, "B L4", l);
01033 li.name[l-1] = 0;
01034 }
01035 li.pid.layermask = ISDN_LAYER((4));
01036 li.pid.protocol[4] = ISDN_PID_L4_B_USER
01037 ;
01038 bc->layer=4;
01039
01040 }
01041
01042 ret = mISDN_new_layer(midev, &li);
01043 if (ret ) {
01044 cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01045
01046 bc_state_change(bc,BCHAN_ERROR);
01047 return(-EINVAL);
01048 }
01049
01050 bc->layer_id = li.id;
01051 }
01052
01053 memset(&pid, 0, sizeof(pid));
01054
01055
01056
01057 cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01058
01059 if (bc->nodsp) {
01060 cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01061 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01062 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01063 pid.protocol[3] = ISDN_PID_L3_B_USER;
01064 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01065
01066 } else if ( bc->hdlc ) {
01067 cb_log(2, stack->port," --> HDLC Mode\n");
01068 pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01069 pid.protocol[2] = ISDN_PID_L2_B_TRANS ;
01070 pid.protocol[3] = ISDN_PID_L3_B_USER;
01071 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01072 } else {
01073 cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01074 pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01075 pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01076 pid.protocol[3] = ISDN_PID_L3_B_DSP;
01077 pid.protocol[4] = ISDN_PID_L4_B_USER;
01078 pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01079
01080 }
01081
01082 ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01083
01084 if (ret){
01085 cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01086
01087 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01088
01089 bc_state_change(bc,BCHAN_ERROR);
01090 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01091 return(-EINVAL);
01092 }
01093
01094 ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01095
01096 if (ret) {
01097 cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01098 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01099
01100 bc_state_change(bc,BCHAN_ERROR);
01101 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01102 return(-EINVAL);
01103 }
01104
01105 ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01106
01107 bc->addr = ret>0? ret : 0;
01108
01109 if (!bc->addr) {
01110 cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01111 mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01112
01113 bc_state_change(bc,BCHAN_ERROR);
01114 cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01115 return (-EINVAL);
01116 }
01117
01118 manager_bchannel_activate(bc);
01119
01120 bc_state_change(bc,BCHAN_ACTIVATED);
01121
01122 return 0;
01123 }
01124
01125
01126
01127
01128 int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime)
01129 {
01130 unsigned char buff[1025] = "";
01131 iframe_t *frm = (iframe_t *)buff;
01132 int ret;
01133
01134 if (!bc) return -1;
01135
01136 cb_log(8, port, "Init.BC %d.\n",bidx);
01137
01138 memset(bc, 0,sizeof(struct misdn_bchannel));
01139
01140 bc->send_lock=malloc(sizeof(struct send_lock));
01141
01142 pthread_mutex_init(&bc->send_lock->lock, NULL);
01143
01144 if (msn) {
01145 int l = sizeof(bc->msn);
01146 strncpy(bc->msn,msn, l);
01147 bc->msn[l-1] = 0;
01148 }
01149
01150
01151 empty_bc(bc);
01152 bc_state_change(bc, BCHAN_CLEANED);
01153
01154 bc->port=stack->port;
01155 bc->nt=stack->nt?1:0;
01156 bc->pri=stack->pri;
01157
01158 {
01159 ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01160
01161 if (!ibuf) return -1;
01162
01163 clear_ibuffer( ibuf);
01164
01165 ibuf->rsem=malloc(sizeof(sem_t));
01166
01167 bc->astbuf=ibuf;
01168
01169 if (sem_init(ibuf->rsem,1,0)<0)
01170 sem_init(ibuf->rsem,0,0);
01171
01172 }
01173
01174 {
01175 stack_info_t *stinf;
01176 ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01177 if (ret < 0) {
01178 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01179 return -1;
01180 }
01181
01182 stinf = (stack_info_t *)&frm->data.p;
01183
01184 cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01185 }
01186
01187 return 0;
01188 }
01189
01190
01191
01192 struct misdn_stack* stack_init( int midev, int port, int ptp )
01193 {
01194 int ret;
01195 unsigned char buff[1025];
01196 iframe_t *frm = (iframe_t *)buff;
01197 stack_info_t *stinf;
01198 int i;
01199 layer_info_t li;
01200
01201 struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01202 if (!stack ) return NULL;
01203
01204
01205 cb_log(8, port, "Init. Stack.\n");
01206
01207 memset(stack,0,sizeof(struct misdn_stack));
01208
01209 for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01210
01211 stack->port=port;
01212 stack->midev=midev;
01213 stack->ptp=ptp;
01214
01215 stack->holding=NULL;
01216 stack->pri=0;
01217
01218 msg_queue_init(&stack->downqueue);
01219 msg_queue_init(&stack->upqueue);
01220
01221
01222 ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01223 if (ret < 0) {
01224 cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01225 return(NULL);
01226 }
01227
01228 stinf = (stack_info_t *)&frm->data.p;
01229
01230 stack->d_stid = stinf->id;
01231 stack->b_num = stinf->childcnt;
01232
01233 for (i=0; i<=stinf->childcnt; i++)
01234 stack->b_stids[i] = stinf->child[i];
01235
01236 switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01237 case ISDN_PID_L0_TE_S0:
01238 stack->nt=0;
01239 break;
01240 case ISDN_PID_L0_NT_S0:
01241 cb_log(8, port, "NT Stack\n");
01242
01243 stack->nt=1;
01244 break;
01245 case ISDN_PID_L0_TE_E1:
01246 cb_log(8, port, "TE S2M Stack\n");
01247 stack->nt=0;
01248 stack->pri=1;
01249 break;
01250 case ISDN_PID_L0_NT_E1:
01251 cb_log(8, port, "TE S2M Stack\n");
01252 stack->nt=1;
01253 stack->pri=1;
01254
01255 break;
01256 default:
01257 cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01258
01259 }
01260
01261 if (!stack->nt) {
01262 if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01263 stack->ptp = 1;
01264 } else {
01265 stack->ptp = 0;
01266 }
01267 }
01268
01269 {
01270 int ret;
01271 int nt=stack->nt;
01272
01273 cb_log(8, port, "Init. Stack.\n");
01274
01275 memset(&li, 0, sizeof(li));
01276 {
01277 int l = sizeof(li.name);
01278 strncpy(li.name,nt?"net l2":"user l4", l);
01279 li.name[l-1] = 0;
01280 }
01281 li.object_id = -1;
01282 li.extentions = 0;
01283 li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01284 li.pid.layermask = ISDN_LAYER((nt?2:4));
01285 li.st = stack->d_stid;
01286
01287
01288 ret = mISDN_new_layer(midev, &li);
01289 if (ret) {
01290 cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01291 return(NULL);
01292 }
01293
01294
01295 stack->upper_id = li.id;
01296 ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01297 if (ret)
01298 {
01299 cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01300 return(NULL);
01301 }
01302
01303 stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01304 if (stack->lower_id < 0) {
01305 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01306 return(NULL);
01307 }
01308
01309 stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01310 if (stack->upper_id < 0) {
01311 cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01312 return(NULL);
01313 }
01314
01315 cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01316
01317
01318
01319 if (nt) {
01320
01321 memset(&stack->nst, 0, sizeof(net_stack_t));
01322 memset(&stack->mgr, 0, sizeof(manager_t));
01323
01324 stack->mgr.nst = &stack->nst;
01325 stack->nst.manager = &stack->mgr;
01326
01327 stack->nst.l3_manager = handle_event_nt;
01328 stack->nst.device = midev;
01329 stack->nst.cardnr = port;
01330 stack->nst.d_stid = stack->d_stid;
01331
01332 stack->nst.feature = FEATURE_NET_HOLD;
01333 if (stack->ptp)
01334 stack->nst.feature |= FEATURE_NET_PTP;
01335 if (stack->pri)
01336 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01337
01338 stack->nst.l1_id = stack->lower_id;
01339 stack->nst.l2_id = stack->upper_id;
01340
01341 msg_queue_init(&stack->nst.down_queue);
01342
01343 Isdnl2Init(&stack->nst);
01344 Isdnl3Init(&stack->nst);
01345
01346 }
01347
01348 if (!stack->nt) {
01349
01350
01351 stack->l1link=0;
01352 }
01353 stack->l1link=0;
01354 stack->l2link=0;
01355 #if 0
01356 if (!stack->nt) {
01357 misdn_lib_get_short_status(stack);
01358 } else {
01359 misdn_lib_get_l1_up(stack);
01360 if (!stack->ptp) misdn_lib_get_l1_up(stack);
01361 misdn_lib_get_l2_up(stack);
01362 }
01363 #endif
01364
01365 misdn_lib_get_short_status(stack);
01366 misdn_lib_get_l1_up(stack);
01367 misdn_lib_get_l2_up(stack);
01368
01369 }
01370
01371 cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01372
01373 return stack;
01374 }
01375
01376
01377 void stack_destroy(struct misdn_stack* stack)
01378 {
01379 char buf[1024];
01380 if (!stack) return;
01381
01382 if (stack->nt) {
01383 cleanup_Isdnl2(&stack->nst);
01384 cleanup_Isdnl3(&stack->nst);
01385 }
01386
01387 if (stack->lower_id)
01388 mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01389
01390 if (stack->upper_id)
01391 mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01392 }
01393
01394
01395 static struct misdn_stack * find_stack_by_addr(int addr)
01396 {
01397 struct misdn_stack *stack;
01398
01399 for (stack=glob_mgr->stack_list;
01400 stack;
01401 stack=stack->next) {
01402 if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01403
01404 }
01405
01406 return NULL;
01407 }
01408
01409
01410 static struct misdn_stack * find_stack_by_port(int port)
01411 {
01412 struct misdn_stack *stack;
01413
01414 for (stack=glob_mgr->stack_list;
01415 stack;
01416 stack=stack->next)
01417 if (stack->port == port) return stack;
01418
01419 return NULL;
01420 }
01421
01422 static struct misdn_stack * find_stack_by_mgr(manager_t* mgr_nt)
01423 {
01424 struct misdn_stack *stack;
01425
01426 for (stack=glob_mgr->stack_list;
01427 stack;
01428 stack=stack->next)
01429 if ( &stack->mgr == mgr_nt) return stack;
01430
01431 return NULL;
01432 }
01433
01434 static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
01435 {
01436 int i;
01437 for (i=0; i<=stack->b_num; i++) {
01438 if ( (stack->bc[i].l3_id & mask) == (l3id & mask)) return &stack->bc[i] ;
01439 }
01440 return stack_holder_find(stack,l3id);
01441 }
01442
01443
01444 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id)
01445 {
01446 int i;
01447 for (i=0; i<=stack->b_num; i++) {
01448 if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01449 }
01450 return stack_holder_find(stack,l3id);
01451 }
01452
01453 static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack)
01454 {
01455 int i;
01456 for (i=0; i<=stack->b_num; i++) {
01457 if (stack->bc[i].holded ) return &stack->bc[i] ;
01458 }
01459 return NULL;
01460 }
01461
01462
01463 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
01464 {
01465 struct misdn_stack* stack;
01466 int i;
01467
01468 for (stack=glob_mgr->stack_list;
01469 stack;
01470 stack=stack->next) {
01471 for (i=0; i<=stack->b_num; i++) {
01472 if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) || stack->bc[i].layer_id== addr ) {
01473 return &stack->bc[i];
01474 }
01475 }
01476 }
01477
01478 return NULL;
01479 }
01480
01481 struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
01482 {
01483 struct misdn_stack* stack;
01484 int i;
01485
01486 for (stack=glob_mgr->stack_list;
01487 stack;
01488 stack=stack->next) {
01489 for (i=0; i<=stack->b_num; i++) {
01490 if ( stack->bc[i].conf_id==confid ) {
01491 return &stack->bc[i];
01492 }
01493 }
01494 }
01495 return NULL;
01496 }
01497
01498
01499 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
01500 {
01501 struct misdn_stack* stack=find_stack_by_port(port);
01502 int i;
01503
01504 if (!stack) return NULL;
01505
01506 for (i=0; i<=stack->b_num; i++) {
01507 if ( stack->bc[i].channel== channel ) {
01508 return &stack->bc[i];
01509 }
01510 }
01511
01512 return NULL;
01513 }
01514
01515
01516
01517
01518
01519 static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
01520 {
01521 struct misdn_stack *stack=get_stack_by_bc(bc);
01522
01523 if (!stack->nt) {
01524
01525 switch (event) {
01526
01527 case EVENT_CONNECT_ACKNOWLEDGE:
01528 setup_bc(bc);
01529
01530 if ( *bc->crypt_key ) {
01531 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);
01532 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01533 }
01534
01535 if (misdn_cap_is_speech(bc->capability)) {
01536 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
01537 manager_ec_enable(bc);
01538
01539 if ( bc->txgain != 0 ) {
01540 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01541 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01542 }
01543 if ( bc->rxgain != 0 ) {
01544 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01545 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01546 }
01547 }
01548
01549 break;
01550 case EVENT_CONNECT:
01551
01552 if ( *bc->crypt_key ) {
01553 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);
01554 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01555 }
01556 case EVENT_ALERTING:
01557 case EVENT_PROGRESS:
01558 case EVENT_PROCEEDING:
01559 case EVENT_SETUP_ACKNOWLEDGE:
01560 case EVENT_SETUP:
01561 {
01562 if (bc->channel == 0xff || bc->channel<=0)
01563 bc->channel=0;
01564
01565 if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01566 if (!stack->pri && !stack->ptp) {
01567 bc->cw=1;
01568 break;
01569 }
01570
01571 if (!bc->channel)
01572 cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01573 else
01574 cb_log(0, stack->port, "Requested Channel Already in Use releasing this call with cause 34!!!!\n");
01575
01576
01577
01578
01579
01580 bc->channel=0;
01581
01582 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01583 return -1;
01584 }
01585 }
01586
01587 setup_bc(bc);
01588 break;
01589
01590 case EVENT_RELEASE_COMPLETE:
01591 case EVENT_RELEASE:
01592 break;
01593 default:
01594 break;
01595 }
01596 } else {
01597
01598 }
01599 return 0;
01600 }
01601
01602 static int handle_cr ( struct misdn_stack *stack, iframe_t *frm)
01603 {
01604 struct misdn_bchannel* bc;
01605 if (!stack) return -1;
01606
01607 switch (frm->prim) {
01608 case CC_NEW_CR|INDICATION:
01609 cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01610
01611 bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01612 if (!bc) {
01613 cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01614 return -1;
01615 }
01616
01617 cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01618 bc->l3_id=frm->dinfo;
01619 return 1;
01620 case CC_NEW_CR|CONFIRM:
01621 return 1;
01622 case CC_NEW_CR|REQUEST:
01623 return 1;
01624 case CC_RELEASE_CR|REQUEST:
01625 return 1;
01626 case CC_RELEASE_CR|CONFIRM:
01627 break;
01628 case CC_RELEASE_CR|INDICATION:
01629 cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01630 {
01631 struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01632 struct misdn_bchannel dummybc;
01633
01634 if (!bc) {
01635 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01636 make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01637
01638 bc=&dummybc;
01639 }
01640
01641 if (bc) {
01642 int channel = bc->channel;
01643 cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01644
01645
01646 bc->need_disconnect=0;
01647 bc->need_release=0;
01648 bc->need_release_complete=0;
01649
01650 cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01651
01652 empty_bc(bc);
01653 clean_up_bc(bc);
01654
01655 if (channel>0)
01656 empty_chan_in_stack(stack,channel);
01657 bc->in_use=0;
01658
01659 dump_chan_list(stack);
01660
01661 if (bc->stack_holder) {
01662 cb_log(4,stack->port, "REMOVEING Holder\n");
01663 stack_holder_remove( stack, bc);
01664 free(bc);
01665 }
01666 }
01667 else {
01668 if (stack->nt)
01669 cb_log(4, stack->port, "BC with dinfo: %x not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01670 }
01671
01672 return 1;
01673 }
01674 break;
01675 }
01676
01677 return 0;
01678 }
01679
01680
01681
01682 void misdn_lib_release(struct misdn_bchannel *bc)
01683 {
01684 struct misdn_stack *stack=get_stack_by_bc(bc);
01685
01686 if (!stack) {
01687 cb_log(1,0,"misdn_release: No Stack found\n");
01688 return;
01689 }
01690
01691 if (bc->channel>0)
01692 empty_chan_in_stack(stack,bc->channel);
01693
01694 empty_bc(bc);
01695 clean_up_bc(bc);
01696 bc->in_use=0;
01697 }
01698
01699
01700
01701
01702 int misdn_lib_get_port_up (int port)
01703 {
01704 struct misdn_stack *stack;
01705
01706 for (stack=glob_mgr->stack_list;
01707 stack;
01708 stack=stack->next) {
01709
01710 if (stack->port == port) {
01711
01712 if (!stack->l1link)
01713 misdn_lib_get_l1_up(stack);
01714 if (!stack->l2link)
01715 misdn_lib_get_l2_up(stack);
01716
01717 return 0;
01718 }
01719 }
01720 return 0;
01721 }
01722
01723
01724 int misdn_lib_get_port_down (int port)
01725 {
01726 struct misdn_stack *stack;
01727 for (stack=glob_mgr->stack_list;
01728 stack;
01729 stack=stack->next) {
01730 if (stack->port == port) {
01731 if (stack->l2link)
01732 misdn_lib_get_l2_down(stack);
01733 misdn_lib_get_l1_down(stack);
01734 return 0;
01735 }
01736 }
01737 return 0;
01738 }
01739
01740 int misdn_lib_port_up(int port, int check)
01741 {
01742 struct misdn_stack *stack;
01743
01744
01745 for (stack=glob_mgr->stack_list;
01746 stack;
01747 stack=stack->next) {
01748
01749 if (stack->port == port) {
01750
01751 if (stack->blocked) {
01752 cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01753 return -1;
01754 }
01755
01756 if (stack->ptp ) {
01757
01758 if (stack->l1link && stack->l2link) {
01759 return 1;
01760 } else {
01761 cb_log(1,port, "Port Down L2:%d L1:%d\n",
01762 stack->l2link, stack->l1link);
01763 return 0;
01764 }
01765 } else {
01766 if ( !check || stack->l1link )
01767 return 1;
01768 else {
01769 cb_log(1,port, "Port down PMP\n");
01770 return 0;
01771 }
01772 }
01773 }
01774 }
01775
01776 return -1;
01777 }
01778
01779
01780 int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh)
01781 {
01782 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01783 struct misdn_bchannel dummybc;
01784 iframe_t frm;
01785 frm.dinfo = hh->dinfo;
01786
01787 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01788
01789 frm.prim = CC_RELEASE_CR|INDICATION;
01790 cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Realease_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01791
01792 if (!bc) {
01793 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01794 make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01795 bc=&dummybc;
01796 }
01797
01798 if (bc) {
01799 if ( (bc->l3_id & 0xff00) == 0xff00) {
01800 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01801 stack->procids[bc->l3_id&0xff] = 0 ;
01802 }
01803 }
01804 else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01805
01806 if (handle_cr(stack, &frm)<0) {
01807 }
01808
01809 return 0 ;
01810 }
01811
01812 int
01813 handle_event_nt(void *dat, void *arg)
01814 {
01815 manager_t *mgr = (manager_t *)dat;
01816 msg_t *msg = (msg_t *)arg;
01817 mISDNuser_head_t *hh;
01818 int reject=0;
01819
01820 struct misdn_stack *stack=find_stack_by_mgr(mgr);
01821 int port;
01822
01823 if (!msg || !mgr)
01824 return(-EINVAL);
01825
01826 hh=(mISDNuser_head_t*)msg->data;
01827 port=stack->port;
01828
01829 cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01830 {
01831 switch(hh->prim){
01832 case CC_RETRIEVE|INDICATION:
01833 {
01834 struct misdn_bchannel *bc;
01835 struct misdn_bchannel *hold_bc;
01836 iframe_t frm;
01837 frm.dinfo = hh->dinfo;
01838
01839 frm.addr=stack->upper_id | FLG_MSG_DOWN;
01840
01841 frm.prim = CC_NEW_CR|INDICATION;
01842
01843 if (handle_cr( stack, &frm)< 0) {
01844 msg_t *dmsg;
01845 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01846 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01847 stack->nst.manager_l3(&stack->nst, dmsg);
01848 free_msg(msg);
01849 return 0;
01850 }
01851
01852 bc=find_bc_by_l3id(stack, hh->dinfo);
01853 hold_bc=stack_holder_find(stack,bc->l3_id);
01854 cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01855
01856 if (hold_bc) {
01857 cb_log(4, stack->port, "REMOVEING Holder\n");
01858
01859
01860 stack_holder_remove(stack, hold_bc);
01861 memcpy(bc,hold_bc,sizeof(struct misdn_bchannel));
01862 free(hold_bc);
01863
01864 bc->holded=0;
01865 bc->b_stid=0;
01866 }
01867
01868 }
01869
01870 break;
01871
01872 case CC_SETUP|CONFIRM:
01873 {
01874 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01875 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01876 cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id );
01877
01878 if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01879 cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01880 bc->l3_id=l3id;
01881 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01882 }
01883 free_msg(msg);
01884 return 0;
01885
01886 case CC_SETUP|INDICATION:
01887 {
01888 struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01889 if (!bc)
01890 ERR_NO_CHANNEL:
01891 {
01892 msg_t *dmsg;
01893 cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01894 dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01895 stack->nst.manager_l3(&stack->nst, dmsg);
01896 free_msg(msg);
01897 return 0;
01898 }
01899
01900 cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01901 bc->l3_id=hh->dinfo;
01902 }
01903 break;
01904
01905 case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01906 break;
01907
01908 case CC_ALERTING|INDICATION:
01909 case CC_PROCEEDING|INDICATION:
01910 case CC_SETUP_ACKNOWLEDGE|INDICATION:
01911 if(!stack->ptp) break;
01912 case CC_CONNECT|INDICATION:
01913 break;
01914 case CC_DISCONNECT|INDICATION:
01915 {
01916 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01917 if (!bc) {
01918 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01919 if (bc) {
01920 int myprocid=bc->l3_id&0x0000ffff;
01921 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01922 cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01923 reject=1;
01924 }
01925 }
01926 }
01927 break;
01928
01929 case CC_FACILITY|INDICATION:
01930 {
01931 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01932 if (!bc) {
01933 bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01934 if (bc) {
01935 int myprocid=bc->l3_id&0x0000ffff;
01936 hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01937 cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01938 }
01939 }
01940 }
01941 break;
01942
01943 case CC_RELEASE_COMPLETE|INDICATION:
01944 break;
01945
01946 case CC_SUSPEND|INDICATION:
01947 {
01948 msg_t *dmsg;
01949 cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01950 dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01951 stack->nst.manager_l3(&stack->nst, dmsg);
01952 free_msg(msg);
01953 return 0;
01954 }
01955 break;
01956 case CC_RESUME|INDICATION:
01957 break;
01958
01959 case CC_RELEASE|CONFIRM:
01960 {
01961 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01962
01963 if (bc) {
01964 cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
01965 misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
01966 }
01967 }
01968 break;
01969
01970 case CC_RELEASE|INDICATION:
01971 break;
01972
01973 case CC_RELEASE_CR|INDICATION:
01974 release_cr(stack, hh);
01975 free_msg(msg);
01976 return 0 ;
01977 break;
01978
01979 case CC_NEW_CR|INDICATION:
01980
01981
01982 {
01983 struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01984 int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01985 if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01986 if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01987 cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01988 stack->procids[bc->l3_id&0xff] = 0 ;
01989 }
01990 cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id );
01991
01992 bc->l3_id =l3id;
01993 cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01994
01995 free_msg(msg);
01996 return 0;
01997 }
01998
01999 case DL_ESTABLISH | INDICATION:
02000 case DL_ESTABLISH | CONFIRM:
02001 {
02002 cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
02003
02004 if (stack->ptp && stack->l2link) {
02005 cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
02006 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02007 }
02008
02009 if (stack->ptp && !stack->restart_sent) {
02010
02011
02012 stack->restart_sent=1;
02013 misdn_lib_send_restart(stack->port, -1);
02014
02015 }
02016
02017
02018 stack->l1link = 1;
02019 stack->l2link = 1;
02020 stack->l2upcnt=0;
02021
02022 free_msg(msg);
02023 return 0;
02024 }
02025 break;
02026
02027
02028 case DL_RELEASE | INDICATION:
02029 case DL_RELEASE | CONFIRM:
02030 {
02031 if (stack->ptp) {
02032 cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02033
02034 if (stack->l2upcnt>3) {
02035 cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02036 } else {
02037 #if 0
02038 if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02039 #endif
02040 if (stack->l1link) {
02041 misdn_lib_get_l2_up(stack);
02042 stack->l2upcnt++;
02043 }
02044 }
02045
02046 } else
02047 cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02048
02049 stack->l2link = 0;
02050 free_msg(msg);
02051 return 0;
02052 }
02053 break;
02054 }
02055 }
02056
02057 {
02058
02059 struct misdn_bchannel *bc;
02060 struct misdn_bchannel dummybc;
02061
02062 enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02063
02064 bc=find_bc_by_l3id(stack, hh->dinfo);
02065
02066 if (!bc) {
02067 cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02068 make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
02069 bc=&dummybc;
02070 }
02071 if (bc ) {
02072 isdn_msg_parse_event(msgs_g,msg,bc, 1);
02073
02074 switch (event) {
02075 int channel;
02076 int tmpcause;
02077 case EVENT_SETUP:
02078 if (bc->channel<=0 || bc->channel==0xff)
02079 bc->channel=0;
02080
02081 if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0)
02082 goto ERR_NO_CHANNEL;
02083 break;
02084 case EVENT_RELEASE:
02085 case EVENT_RELEASE_COMPLETE:
02086 {
02087 channel=bc->channel;
02088 tmpcause=bc->cause;
02089 empty_bc(bc);
02090 bc->cause=tmpcause;
02091 clean_up_bc(bc);
02092
02093 if (channel>0)
02094 empty_chan_in_stack(stack,channel);
02095 bc->in_use=0;
02096 }
02097 break;
02098
02099 default:
02100 break;
02101 }
02102
02103 if(!isdn_get_info(msgs_g,event,1)) {
02104 cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02105 } else {
02106 if (reject) {
02107 switch(bc->cause){
02108 case 17:
02109 cb_log(1, stack->port, "Siemens Busy reject..\n");
02110
02111 break;
02112 default:
02113 break;
02114 }
02115 }
02116 cb_event(event, bc, glob_mgr->user_data);
02117 }
02118 } else {
02119 cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02120 }
02121
02122 free_msg(msg);
02123 }
02124
02125
02126 return 0;
02127 }
02128
02129
02130 static int handle_timers(msg_t* msg)
02131 {
02132 iframe_t *frm= (iframe_t*)msg->data;
02133 struct misdn_stack *stack;
02134
02135
02136 switch (frm->prim) {
02137 case MGR_INITTIMER | CONFIRM:
02138 case MGR_ADDTIMER | CONFIRM:
02139 case MGR_DELTIMER | CONFIRM:
02140 case MGR_REMOVETIMER | CONFIRM:
02141 free_msg(msg);
02142 return(1);
02143 }
02144
02145
02146
02147 if (frm->prim==(MGR_TIMER | INDICATION) ) {
02148 for (stack = glob_mgr->stack_list;
02149 stack;
02150 stack = stack->next) {
02151 itimer_t *it;
02152
02153 if (!stack->nt) continue;
02154
02155 it = stack->nst.tlist;
02156
02157 for(it=stack->nst.tlist;
02158 it;
02159 it=it->next) {
02160 if (it->id == (int)frm->addr)
02161 break;
02162 }
02163 if (it) {
02164 int ret;
02165 ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02166 MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02167 test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02168 ret = it->function(it->data);
02169 free_msg(msg);
02170 return 1;
02171 }
02172 }
02173
02174 cb_log(0, 0, "Timer Msg without Timer ??\n");
02175 free_msg(msg);
02176 return 1;
02177 }
02178
02179 return 0;
02180 }
02181
02182
02183
02184 void misdn_lib_tone_generator_start(struct misdn_bchannel *bc)
02185 {
02186 bc->generate_tone=1;
02187 }
02188
02189 void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc)
02190 {
02191 bc->generate_tone=0;
02192 }
02193
02194
02195 static int do_tone(struct misdn_bchannel *bc, int len)
02196 {
02197 bc->tone_cnt=len;
02198
02199 if (bc->generate_tone) {
02200 cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02201
02202 if ( !bc->nojitter ) {
02203 misdn_tx_jitter(bc,len);
02204 }
02205
02206 return 1;
02207 }
02208
02209 return 0;
02210 }
02211
02212
02213 #ifdef MISDN_SAVE_DATA
02214 static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
02215 {
02216 char n1[32],n2[32];
02217
02218 sprintf(n1,"/tmp/misdn-rx-%d.raw",id);
02219 sprintf(n2,"/tmp/misdn-tx-%d.raw",id);
02220
02221 FILE *rx=fopen(n1,"a+");
02222 FILE *tx=fopen(n2,"a+");
02223
02224 if (!rx || !tx) {
02225 cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
02226 return ;
02227 }
02228
02229 fwrite(p1,1,l1,rx);
02230 fwrite(p2,1,l2,tx);
02231
02232 fclose(rx);
02233 fclose(tx);
02234
02235 }
02236 #endif
02237
02238 void misdn_tx_jitter(struct misdn_bchannel *bc, int len)
02239 {
02240 char buf[4096 + mISDN_HEADER_LEN];
02241 char *data=&buf[mISDN_HEADER_LEN];
02242 iframe_t *txfrm= (iframe_t*)buf;
02243 int jlen, r;
02244
02245 jlen=cb_jb_empty(bc,data,len);
02246
02247 if (jlen) {
02248 #ifdef MISDN_SAVE_DATA
02249 misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02250 #endif
02251 flip_buf_bits( data, jlen);
02252
02253 if (jlen < len) {
02254 cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02255 }
02256
02257 txfrm->prim = DL_DATA|REQUEST;
02258
02259 txfrm->dinfo = 0;
02260
02261 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02262
02263 txfrm->len =jlen;
02264 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02265
02266 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02267 } else {
02268 #define MISDN_GEN_SILENCE
02269 #ifdef MISDN_GEN_SILENCE
02270 int cnt=len/TONE_SILENCE_SIZE;
02271 int rest=len%TONE_SILENCE_SIZE;
02272 int i;
02273
02274 for (i=0; i<cnt; i++) {
02275 memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02276 data +=TONE_SILENCE_SIZE;
02277 }
02278
02279 if (rest) {
02280 memcpy(data, tone_silence_flip, rest);
02281 }
02282
02283 txfrm->prim = DL_DATA|REQUEST;
02284
02285 txfrm->dinfo = 0;
02286
02287 txfrm->addr = bc->addr|FLG_MSG_DOWN;
02288
02289 txfrm->len =len;
02290 cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02291
02292 r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02293 #endif
02294
02295 }
02296 }
02297
02298 static int handle_bchan(msg_t *msg)
02299 {
02300 iframe_t *frm= (iframe_t*)msg->data;
02301 struct misdn_stack *stack;
02302 struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02303
02304 if (!bc) {
02305 cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02306 return 0 ;
02307 }
02308
02309 stack=get_stack_by_bc(bc);
02310
02311 if (!stack) {
02312 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);
02313 return 0;
02314 }
02315
02316 switch (frm->prim) {
02317
02318 case MGR_SETSTACK| CONFIRM:
02319 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02320 break;
02321
02322 case MGR_SETSTACK| INDICATION:
02323 cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02324 break;
02325 #if 0
02326 AGAIN:
02327 bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02328 if (!bc->addr) {
02329
02330 if (errno == EAGAIN) {
02331 usleep(1000);
02332 goto AGAIN;
02333 }
02334
02335 cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02336
02337
02338
02339 bc->addr= frm->addr;
02340 } else if ( bc->addr < 0) {
02341 cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02342 bc->addr=0;
02343 }
02344
02345 cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02346
02347 free_msg(msg);
02348
02349
02350 switch(bc->bc_state) {
02351 case BCHAN_SETUP:
02352 bc_state_change(bc,BCHAN_SETUPED);
02353 break;
02354
02355 case BCHAN_CLEAN_REQUEST:
02356 default:
02357 cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02358 clean_up_bc(bc);
02359 }
02360 return 1;
02361 #endif
02362
02363 case MGR_DELLAYER| INDICATION:
02364 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02365 break;
02366
02367 case MGR_DELLAYER| CONFIRM:
02368 cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02369
02370 bc->pid=0;
02371 bc->addr=0;
02372
02373 free_msg(msg);
02374 return 1;
02375
02376 case PH_ACTIVATE | INDICATION:
02377 case DL_ESTABLISH | INDICATION:
02378 cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02379
02380 free_msg(msg);
02381 return 1;
02382
02383 case PH_ACTIVATE | CONFIRM:
02384 case DL_ESTABLISH | CONFIRM:
02385
02386 cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02387 free_msg(msg);
02388
02389 return 1;
02390
02391 case DL_ESTABLISH | REQUEST:
02392 {
02393 char buf[128];
02394 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02395 }
02396 free_msg(msg);
02397 return 1;
02398
02399 case DL_RELEASE|REQUEST:
02400 {
02401 char buf[128];
02402 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02403 }
02404 free_msg(msg);
02405 return 1;
02406
02407 case PH_DEACTIVATE | INDICATION:
02408 case DL_RELEASE | INDICATION:
02409 cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02410
02411 free_msg(msg);
02412 return 1;
02413
02414 case PH_DEACTIVATE | CONFIRM:
02415 case DL_RELEASE | CONFIRM:
02416 cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02417
02418 free_msg(msg);
02419 return 1;
02420
02421 case PH_CONTROL|INDICATION:
02422 {
02423 unsigned int *cont = (unsigned int *) &frm->data.p;
02424
02425 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);
02426
02427 if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02428 int dtmf = *cont & DTMF_TONE_MASK;
02429 cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02430 bc->dtmf=dtmf;
02431 cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02432
02433 free_msg(msg);
02434 return 1;
02435 }
02436 if (*cont == BF_REJECT) {
02437 cb_log(4, stack->port, " --> BF REJECT\n");
02438 free_msg(msg);
02439 return 1;
02440 }
02441 if (*cont == BF_ACCEPT) {
02442 cb_log(4, stack->port, " --> BF ACCEPT\n");
02443 free_msg(msg);
02444 return 1;
02445 }
02446 }
02447 break;
02448
02449 case PH_DATA|REQUEST:
02450 case DL_DATA|REQUEST:
02451 cb_log(0, stack->port, "DL_DATA REQUEST \n");
02452 do_tone(bc, 64);
02453
02454 free_msg(msg);
02455 return 1;
02456
02457
02458 case PH_DATA|INDICATION:
02459 case DL_DATA|INDICATION:
02460 {
02461 bc->bframe = (void*)&frm->data.i;
02462 bc->bframe_len = frm->len;
02463
02464
02465 if ( misdn_cap_is_speech(bc->capability) )
02466 flip_buf_bits(bc->bframe, bc->bframe_len);
02467
02468
02469 if (!bc->bframe_len) {
02470 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02471 free_msg(msg);
02472 return 1;
02473 }
02474
02475 if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02476 cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02477 free_msg(msg);
02478 return 1;
02479 }
02480
02481 #if MISDN_DEBUG
02482 cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02483
02484 #endif
02485
02486 if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02487 int t;
02488
02489 #ifdef MISDN_B_DEBUG
02490 cb_log(0,bc->port,"do_tone START\n");
02491 #endif
02492 t=do_tone(bc,frm->len);
02493
02494 #ifdef MISDN_B_DEBUG
02495 cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02496 #endif
02497 if ( !t ) {
02498 int i;
02499
02500 if ( misdn_cap_is_speech(bc->capability)) {
02501 if ( !bc->nojitter ) {
02502 #ifdef MISDN_B_DEBUG
02503 cb_log(0,bc->port,"tx_jitter START\n");
02504 #endif
02505 misdn_tx_jitter(bc,frm->len);
02506 #ifdef MISDN_B_DEBUG
02507 cb_log(0,bc->port,"tx_jitter STOP\n");
02508 #endif
02509 }
02510 }
02511
02512 #ifdef MISDN_B_DEBUG
02513 cb_log(0,bc->port,"EVENT_B_DATA START\n");
02514 #endif
02515
02516 i=cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02517 #ifdef MISDN_B_DEBUG
02518 cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02519 #endif
02520
02521 if (i<0) {
02522 cb_log(10,stack->port,"cb_event returned <0\n");
02523
02524 }
02525 }
02526 }
02527 free_msg(msg);
02528 return 1;
02529 }
02530
02531
02532 case PH_CONTROL | CONFIRM:
02533 cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02534 free_msg(msg);
02535 return 1;
02536
02537 case PH_DATA | CONFIRM:
02538 case DL_DATA|CONFIRM:
02539 #if MISDN_DEBUG
02540
02541 cb_log(0, stack->port, "Data confirmed\n");
02542
02543 #endif
02544 free_msg(msg);
02545 return 1;
02546 case DL_DATA|RESPONSE:
02547 #if MISDN_DEBUG
02548 cb_log(0, stack->port, "Data response\n");
02549
02550 #endif
02551 break;
02552 }
02553
02554 return 0;
02555 }
02556
02557
02558
02559 static int handle_frm_nt(msg_t *msg)
02560 {
02561 iframe_t *frm= (iframe_t*)msg->data;
02562 struct misdn_stack *stack;
02563 int err=0;
02564
02565 stack=find_stack_by_addr( frm->addr );
02566
02567
02568
02569 if (!stack || !stack->nt) {
02570 return 0;
02571 }
02572
02573
02574 if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02575
02576 if (nt_err_cnt > 0 ) {
02577 if (nt_err_cnt < 100) {
02578 nt_err_cnt++;
02579 cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02580 } else if (nt_err_cnt < 105){
02581 cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02582 nt_err_cnt = - 1;
02583 }
02584 }
02585 free_msg(msg);
02586 return 1;
02587
02588 }
02589
02590 return 1;
02591 }
02592
02593
02594 static int handle_frm(msg_t *msg)
02595 {
02596 iframe_t *frm = (iframe_t*) msg->data;
02597
02598 struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02599
02600 if (!stack || stack->nt) {
02601 return 0;
02602 }
02603
02604 cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02605
02606 {
02607 struct misdn_bchannel dummybc;
02608 struct misdn_bchannel *bc;
02609 int ret=handle_cr(stack, frm);
02610
02611 if (ret<0) {
02612 cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02613
02614
02615 }
02616
02617 if(ret) {
02618 free_msg(msg);
02619 return 1;
02620 }
02621
02622 bc=find_bc_by_l3id(stack, frm->dinfo);
02623
02624 if (!bc && (frm->prim==(CC_RESTART|CONFIRM)) ) {
02625 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02626 bc=&dummybc;
02627 }
02628
02629 if (!bc && (frm->prim==(CC_SETUP|INDICATION)) ) {
02630 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02631 dummybc.port=stack->port;
02632 dummybc.l3_id=frm->dinfo;
02633 bc=&dummybc;
02634
02635 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02636
02637 free_msg(msg);
02638 return 1;
02639 }
02640
02641
02642 handle_frm_bc:
02643 if (bc ) {
02644 int ret;
02645 enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02646 enum event_response_e response=RESPONSE_OK;
02647
02648 isdn_msg_parse_event(msgs_g,msg,bc, 0);
02649
02650
02651 ret=handle_event(bc, event, frm);
02652 if (ret<0) {
02653 cb_log(0,stack->port,"couldn't handle event\n");
02654 free_msg(msg);
02655 return 1;
02656 }
02657
02658 cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02659
02660 if(!isdn_get_info(msgs_g,event,0))
02661 cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02662 else
02663 response=cb_event(event, bc, glob_mgr->user_data);
02664 #if 1
02665 if (event == EVENT_SETUP) {
02666 switch (response) {
02667 case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02668
02669 cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");
02670
02671 break;
02672 case RESPONSE_IGNORE_SETUP:
02673
02674 bc->out_cause=16;
02675
02676 case RESPONSE_RELEASE_SETUP:
02677 misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02678 if (bc->channel>0)
02679 empty_chan_in_stack(stack, bc->channel);
02680 empty_bc(bc);
02681 bc_state_change(bc,BCHAN_CLEANED);
02682 bc->in_use=0;
02683
02684 cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02685 break;
02686 case RESPONSE_OK:
02687 cb_log(4, stack->port, "GOT SETUP OK\n");
02688
02689
02690 break;
02691 default:
02692 break;
02693 }
02694 }
02695
02696 if (event == EVENT_RELEASE_COMPLETE) {
02697
02698 int channel=bc->channel;
02699 int tmpcause=bc->cause;
02700 int tmp_out_cause=bc->out_cause;
02701 empty_bc(bc);
02702 bc->cause=tmpcause;
02703 bc->out_cause=tmp_out_cause;
02704 clean_up_bc(bc);
02705
02706 if (tmpcause == 44) {
02707 cb_log(0,stack->port,"**** Received CAUSE:44, so not cleaning up channel %d\n", channel);
02708 cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n");
02709 set_chan_in_stack(stack, channel);
02710 bc->channel=channel;
02711 misdn_lib_send_restart(stack->port, channel);
02712 } else {
02713 if (channel>0)
02714 empty_chan_in_stack(stack, channel);
02715 }
02716 bc->in_use=0;
02717 }
02718
02719 if (event == EVENT_RESTART) {
02720 cb_log(0, stack->port, "**** Received RESTART_ACK channel:%d\n", bc->restart_channel);
02721 empty_chan_in_stack(stack, bc->restart_channel);
02722 }
02723
02724 cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02725
02726
02727 free_msg(msg);
02728 return 1;
02729 #endif
02730
02731 } else {
02732 struct misdn_bchannel dummybc;
02733 cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02734 memset (&dummybc,0,sizeof(dummybc));
02735 dummybc.port=stack->port;
02736 dummybc.l3_id=frm->dinfo;
02737 bc=&dummybc;
02738 goto handle_frm_bc;
02739 }
02740 }
02741
02742 cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02743 return 0;
02744 }
02745
02746
02747 static int handle_l1(msg_t *msg)
02748 {
02749 iframe_t *frm = (iframe_t*) msg->data;
02750 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02751 int i ;
02752
02753 if (!stack) return 0 ;
02754
02755 switch (frm->prim) {
02756 case PH_ACTIVATE | CONFIRM:
02757 case PH_ACTIVATE | INDICATION:
02758 cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02759 stack->l1link=1;
02760
02761 if (stack->nt) {
02762
02763 if (stack->nst.l1_l2(&stack->nst, msg))
02764 free_msg(msg);
02765
02766 if (stack->ptp)
02767 misdn_lib_get_l2_up(stack);
02768 } else {
02769 free_msg(msg);
02770 }
02771
02772 for (i=0;i<=stack->b_num; i++) {
02773 if (stack->bc[i].evq != EVENT_NOTHING) {
02774 cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02775 misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02776 stack->bc[i].evq=EVENT_NOTHING;
02777 }
02778
02779 }
02780 return 1;
02781
02782 case PH_ACTIVATE | REQUEST:
02783 free_msg(msg);
02784 cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02785 return 1;
02786
02787 case PH_DEACTIVATE | REQUEST:
02788 free_msg(msg);
02789 cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02790 return 1;
02791
02792 case PH_DEACTIVATE | CONFIRM:
02793 case PH_DEACTIVATE | INDICATION:
02794 cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02795
02796 #if 0
02797 for (i=0; i<=stack->b_num; i++) {
02798 if (global_state == MISDN_INITIALIZED) {
02799 cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02800 }
02801 }
02802 #endif
02803
02804 if (stack->nt) {
02805 if (stack->nst.l1_l2(&stack->nst, msg))
02806 free_msg(msg);
02807 } else {
02808 free_msg(msg);
02809 }
02810
02811 stack->l1link=0;
02812 stack->l2link=0;
02813 return 1;
02814 }
02815
02816 return 0;
02817 }
02818
02819 static int handle_l2(msg_t *msg)
02820 {
02821 iframe_t *frm = (iframe_t*) msg->data;
02822
02823 struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02824
02825 if (!stack) {
02826 return 0 ;
02827 }
02828
02829 switch(frm->prim) {
02830
02831 case DL_ESTABLISH | REQUEST:
02832 cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02833 return 1;
02834 case DL_RELEASE | REQUEST:
02835 cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02836 return 1;
02837
02838 case DL_ESTABLISH | INDICATION:
02839 case DL_ESTABLISH | CONFIRM:
02840 {
02841 cb_log (3, stack->port, "L2: L2Link Up! \n");
02842 if (stack->ptp && stack->l2link) {
02843 cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
02844 cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02845 }
02846 stack->l2link=1;
02847 free_msg(msg);
02848 return 1;
02849 }
02850 break;
02851
02852 case DL_RELEASE | INDICATION:
02853 case DL_RELEASE | CONFIRM:
02854 {
02855 cb_log (3, stack->port, "L2: L2Link Down! \n");
02856 stack->l2link=0;
02857
02858 free_msg(msg);
02859 return 1;
02860 }
02861 break;
02862 }
02863 return 0;
02864 }
02865
02866 static int handle_mgmt(msg_t *msg)
02867 {
02868 struct misdn_stack *stack;
02869 iframe_t *frm = (iframe_t*) msg->data;
02870
02871 if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02872 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02873 free_msg(msg);
02874 return 1;
02875 }
02876
02877 stack=find_stack_by_addr(frm->addr);
02878
02879 if (!stack) {
02880 if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02881 cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02882 frm->addr) ;
02883 free_msg(msg);
02884 return 1;
02885 }
02886
02887 return 0;
02888 }
02889
02890 switch(frm->prim) {
02891 case MGR_SHORTSTATUS | INDICATION:
02892 case MGR_SHORTSTATUS | CONFIRM:
02893 cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02894
02895 switch (frm->dinfo) {
02896 case SSTATUS_L1_ACTIVATED:
02897 cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02898 stack->l1link=1;
02899
02900 break;
02901 case SSTATUS_L1_DEACTIVATED:
02902 cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02903 stack->l1link=0;
02904 #if 0
02905 clear_l3(stack);
02906 #endif
02907 break;
02908
02909 case SSTATUS_L2_ESTABLISHED:
02910 cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02911
02912
02913 stack->l1link=1;
02914 stack->l2link=1;
02915 break;
02916
02917 case SSTATUS_L2_RELEASED:
02918 cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02919 stack->l2link=0;
02920 break;
02921 }
02922
02923 free_msg(msg);
02924 return 1;
02925
02926 case MGR_SETSTACK | INDICATION:
02927 cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02928 free_msg(msg);
02929 return 1;
02930 case MGR_DELLAYER | CONFIRM:
02931 cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02932 free_msg(msg);
02933 return 1;
02934
02935 }
02936
02937
02938
02939
02940
02941
02942
02943
02944 return 0;
02945 }
02946
02947
02948 static msg_t *fetch_msg(int midev)
02949 {
02950 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02951 int r;
02952
02953 if (!msg) {
02954 cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02955 return NULL;
02956 }
02957
02958 AGAIN:
02959 r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02960 msg->len=r;
02961
02962 if (r==0) {
02963 free_msg(msg);
02964 cb_log(6,0,"Got empty Msg..\n");
02965 return NULL;
02966 }
02967
02968 if (r<0) {
02969 if (errno == EAGAIN) {
02970
02971 cb_log(4,0,"mISDN_read wants us to wait\n");
02972 usleep(5000);
02973 goto AGAIN;
02974 }
02975
02976 cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
02977 }
02978
02979 #if 0
02980 if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02981 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 );
02982 #endif
02983 return msg;
02984 }
02985
02986 void misdn_lib_isdn_l1watcher(int port)
02987 {
02988 struct misdn_stack *stack;
02989
02990 for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02991 ;
02992
02993 if (stack) {
02994 cb_log(4, port, "Checking L1 State\n");
02995 if (!stack->l1link) {
02996 cb_log(4, port, "L1 State Down, trying to get it up again\n");
02997 misdn_lib_get_short_status(stack);
02998 misdn_lib_get_l1_up(stack);
02999 misdn_lib_get_l2_up(stack);
03000 }
03001 }
03002 }
03003
03004 static void misdn_lib_isdn_event_catcher(void *arg)
03005 {
03006 struct misdn_lib *mgr = arg;
03007 int zero_frm=0 , fff_frm=0 ;
03008 int midev= mgr->midev;
03009 int port=0;
03010
03011 while (1) {
03012 msg_t *msg = fetch_msg(midev);
03013 iframe_t *frm;
03014
03015
03016 if (!msg) continue;
03017
03018 frm = (iframe_t*) msg->data;
03019
03020
03021 if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
03022 zero_frm++;
03023 free_msg(msg);
03024 continue;
03025 } else {
03026 if (zero_frm) {
03027 cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03028 zero_frm = 0 ;
03029 }
03030 }
03031
03032
03033 if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03034 fff_frm++;
03035 free_msg(msg);
03036 continue;
03037 } else {
03038 if (fff_frm) {
03039 cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03040 fff_frm = 0 ;
03041 }
03042 }
03043
03044 manager_isdn_handler(frm, msg);
03045 }
03046
03047 }
03048
03049
03050
03051
03052 int te_lib_init() {
03053 char buff[1025];
03054 iframe_t *frm=(iframe_t*)buff;
03055 int midev=mISDN_open();
03056 int ret;
03057
03058 memset(buff,0,1025);
03059
03060 if (midev<=0) return midev;
03061
03062
03063 mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03064 ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03065
03066 if (ret < mISDN_HEADER_LEN) {
03067 noentity:
03068 fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03069 exit(-1);
03070 }
03071
03072 entity = frm->dinfo & 0xffff ;
03073
03074 if (!entity)
03075 goto noentity;
03076
03077 return midev;
03078
03079 }
03080
03081 void te_lib_destroy(int midev)
03082 {
03083 char buf[1024];
03084 mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03085
03086 cb_log(4, 0, "Entetity deleted\n");
03087 mISDN_close(midev);
03088 cb_log(4, 0, "midev closed\n");
03089 }
03090
03091
03092
03093 void misdn_lib_transfer(struct misdn_bchannel* holded_bc)
03094 {
03095 holded_bc->holded=0;
03096 }
03097
03098 struct misdn_bchannel *manager_find_bc_by_pid(int pid)
03099 {
03100 struct misdn_stack *stack;
03101 int i;
03102
03103 for (stack=glob_mgr->stack_list;
03104 stack;
03105 stack=stack->next) {
03106 for (i=0; i<=stack->b_num; i++)
03107 if (stack->bc[i].pid == pid) return &stack->bc[i];
03108 }
03109
03110 return NULL;
03111 }
03112
03113 struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc)
03114 {
03115 struct misdn_stack *stack=get_stack_by_bc(bc);
03116 return find_bc_holded(stack);
03117 }
03118
03119
03120
03121 static int test_inuse(struct misdn_bchannel *bc)
03122 {
03123 struct timeval now;
03124 gettimeofday(&now, NULL);
03125 if (!bc->in_use) {
03126 if (misdn_lib_port_is_pri(bc->port) && bc->last_used.tv_sec == now.tv_sec ) {
03127 cb_log(2,bc->port, "channel with stid:%x for one second still in use! (n:%d lu:%d)\n", bc->b_stid, now.tv_sec, bc->last_used.tv_sec);
03128 return 1;
03129 }
03130
03131
03132 cb_log(3,bc->port, "channel with stid:%x not in use!\n", bc->b_stid);
03133 return 0;
03134 }
03135
03136 cb_log(2,bc->port, "channel with stid:%x in use!\n", bc->b_stid);
03137 return 1;
03138 }
03139
03140
03141 static void prepare_bc(struct misdn_bchannel*bc, int channel)
03142 {
03143 bc->channel = channel;
03144 bc->channel_preselected = channel?1:0;
03145 bc->in_use = 1;
03146 bc->need_disconnect=1;
03147 bc->need_release=1;
03148 bc->need_release_complete=1;
03149 bc->cause=16;
03150
03151 if (++mypid>5000) mypid=1;
03152 bc->pid=mypid;
03153
03154 #if 0
03155 bc->addr=0;
03156 bc->b_stid=0;
03157 bc->layer_id=0;
03158 #endif
03159 }
03160
03161 struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec)
03162 {
03163 struct misdn_stack *stack;
03164 int i;
03165
03166 if (channel < 0 || channel > MAX_BCHANS) {
03167 cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03168 return NULL;
03169 }
03170
03171 usleep(1000);
03172
03173 for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03174
03175 if (stack->port == port) {
03176 int maxnum;
03177 if (stack->blocked) {
03178 cb_log(0,port,"Port is blocked\n");
03179 return NULL;
03180 }
03181
03182 if (channel > 0) {
03183 if (channel <= stack->b_num) {
03184 for (i = 0; i < stack->b_num; i++) {
03185 if ( stack->bc[i].channel == channel) {
03186 if (test_inuse(&stack->bc[i])) {
03187 cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03188 return NULL;
03189
03190 } else {
03191 prepare_bc(&stack->bc[i], channel);
03192 return &stack->bc[i];
03193 }
03194 }
03195 }
03196 } else {
03197 cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03198 return NULL;
03199 }
03200 }
03201
03202 maxnum=inout&&!stack->pri&&!stack->ptp?stack->b_num+1:stack->b_num;
03203
03204 if (dec) {
03205 for (i = maxnum-1; i>=0; i--) {
03206 if (!test_inuse(&stack->bc[i])) {
03207
03208 if (!stack->pri && i==stack->b_num)
03209 stack->bc[i].cw=1;
03210
03211 prepare_bc(&stack->bc[i], channel);
03212 stack->bc[i].dec=1;
03213 return &stack->bc[i];
03214 }
03215 }
03216 } else {
03217 for (i = 0; i <maxnum; i++) {
03218 if (!test_inuse(&stack->bc[i])) {
03219
03220 if (!stack->pri && i==stack->b_num)
03221 stack->bc[i].cw=1;
03222
03223 prepare_bc(&stack->bc[i], channel);
03224 return &stack->bc[i];
03225 }
03226 }
03227 }
03228
03229 cb_log(1,port,"There is no free channel on port (%d)\n",port);
03230 return NULL;
03231 }
03232 }
03233
03234 cb_log(0,port,"Port is not configured (%d)\n",port);
03235 return NULL;
03236 }
03237
03238
03239 static char *fac2str (enum FacFunction func)
03240 {
03241 struct arr_el {
03242 enum FacFunction p;
03243 char *s ;
03244 } arr[] = {
03245 { Fac_None, "Fac_None" },
03246 { Fac_CD, "Fac_CD"},
03247 };
03248
03249 int i;
03250
03251 for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03252 if ( arr[i].p==func) return arr[i].s;
03253
03254 return "unknown";
03255 }
03256
03257 void misdn_lib_log_ies(struct misdn_bchannel *bc)
03258 {
03259 struct misdn_stack *stack;
03260 if (!bc) return;
03261
03262 stack=get_stack_by_bc(bc);
03263
03264 if (!stack) return;
03265
03266 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);
03267
03268 cb_log(2, stack->port,
03269 " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03270 bc->info_dad,
03271 bc->onumplan>=0?'0'+bc->onumplan:' ',
03272 bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03273 bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03274 bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03275 );
03276
03277 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);
03278 cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03279 bc->screen, bc->pres);
03280
03281 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);
03282
03283 cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03284
03285 cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03286
03287 cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03288 }
03289
03290 void misdn_send_lock(struct misdn_bchannel *bc);
03291 void misdn_send_unlock(struct misdn_bchannel *bc);
03292
03293 #define RETURN(a,b) {retval=a; goto b;}
03294
03295 void misdn_send_lock(struct misdn_bchannel *bc)
03296 {
03297
03298 if (bc->send_lock)
03299 pthread_mutex_lock(&bc->send_lock->lock);
03300 }
03301
03302 void misdn_send_unlock(struct misdn_bchannel *bc)
03303 {
03304
03305 if (bc->send_lock)
03306 pthread_mutex_unlock(&bc->send_lock->lock);
03307 }
03308
03309 int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
03310 {
03311 msg_t *msg;
03312 struct misdn_stack *stack;
03313 int retval=0;
03314
03315 if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03316
03317 stack=get_stack_by_bc(bc);
03318
03319 if (!stack) {
03320 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);
03321 RETURN(-1,OUT);
03322 }
03323
03324 misdn_send_lock(bc);
03325
03326
03327 cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03328
03329 if ( stack->nt && !stack->l1link) {
03330
03331 bc->evq=event;
03332 cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03333 misdn_lib_get_l1_up(stack);
03334 RETURN(0,OUT);
03335 }
03336
03337 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);
03338 cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03339 misdn_lib_log_ies(bc);
03340
03341 switch (event) {
03342 case EVENT_SETUP:
03343 if (create_process(glob_mgr->midev, bc)<0) {
03344 cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03345
03346 RETURN(-ENOCHAN,OUT);
03347 }
03348 break;
03349
03350 case EVENT_PROGRESS:
03351 case EVENT_ALERTING:
03352 case EVENT_PROCEEDING:
03353 case EVENT_SETUP_ACKNOWLEDGE:
03354 case EVENT_CONNECT:
03355 if (!stack->nt) break;
03356
03357 case EVENT_RETRIEVE_ACKNOWLEDGE:
03358
03359 if (stack->nt) {
03360 if (bc->channel <=0 ) {
03361 if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03362 cb_log(0, stack->port, " No free channel at the moment\n");
03363
03364 RETURN(-ENOCHAN,OUT);
03365 }
03366 }
03367
03368 }
03369
03370 retval=setup_bc(bc);
03371 if (retval == -EINVAL) {
03372 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03373 }
03374
03375 if (misdn_cap_is_speech(bc->capability)) {
03376 if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03377 if ( *bc->crypt_key ) {
03378 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);
03379
03380 manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03381 }
03382
03383 if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03384 manager_ec_enable(bc);
03385
03386 if (bc->txgain != 0) {
03387 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03388 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03389 }
03390
03391 if ( bc->rxgain != 0 ) {
03392 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03393 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03394 }
03395 }
03396 }
03397 break;
03398
03399 case EVENT_HOLD_ACKNOWLEDGE:
03400 {
03401 struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03402 if (!holded_bc) {
03403 cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03404 RETURN(-1,OUT);
03405 }
03406
03407
03408 memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03409 holded_bc->holded=1;
03410 bc_state_change(holded_bc,BCHAN_CLEANED);
03411
03412 stack_holder_add(stack,holded_bc);
03413
03414
03415 if (stack->nt) {
03416 int channel;
03417 if (bc->bc_state == BCHAN_BRIDGED) {
03418 struct misdn_bchannel *bc2;
03419 misdn_split_conf(bc,bc->conf_id);
03420 bc2=find_bc_by_confid(bc->conf_id);
03421 if (!bc2) {
03422 cb_log(0,bc->port,"We have no second bc in bridge???\n");
03423 } else {
03424 misdn_split_conf(bc2,bc->conf_id);
03425 }
03426 }
03427
03428 channel=bc->channel;
03429
03430 empty_bc(bc);
03431 clean_up_bc(bc);
03432
03433 if (channel>0)
03434 empty_chan_in_stack(stack,channel);
03435
03436 bc->in_use=0;
03437 }
03438
03439 }
03440 break;
03441
03442
03443 case EVENT_DISCONNECT:
03444 if (!bc->need_disconnect) {
03445 cb_log(0,bc->port," --> we have already send Disconnect\n");
03446 RETURN(-1,OUT);
03447 }
03448
03449 bc->need_disconnect=0;
03450 break;
03451 case EVENT_RELEASE:
03452 if (!bc->need_release) {
03453 cb_log(0,bc->port," --> we have already send Release\n");
03454 RETURN(-1,OUT);
03455 }
03456 bc->need_disconnect=0;
03457 bc->need_release=0;
03458 break;
03459 case EVENT_RELEASE_COMPLETE:
03460 if (!bc->need_release_complete) {
03461 cb_log(0,bc->port," --> we have already send Release_complete\n");
03462 RETURN(-1,OUT);
03463 }
03464 bc->need_disconnect=0;
03465 bc->need_release=0;
03466 bc->need_release_complete=0;
03467
03468 if (!stack->nt) {
03469
03470 int channel=bc->channel;
03471
03472 int tmpcause=bc->cause;
03473 int tmp_out_cause=bc->out_cause;
03474 empty_bc(bc);
03475 bc->cause=tmpcause;
03476 bc->out_cause=tmp_out_cause;
03477 clean_up_bc(bc);
03478
03479 if (channel>0)
03480 empty_chan_in_stack(stack,channel);
03481
03482 bc->in_use=0;
03483 }
03484 break;
03485
03486 case EVENT_CONNECT_ACKNOWLEDGE:
03487
03488 if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03489 int retval=setup_bc(bc);
03490 if (retval == -EINVAL){
03491 cb_log(0,bc->port,"send_event: setup_bc failed\n");
03492
03493 }
03494 }
03495
03496 if (misdn_cap_is_speech(bc->capability)) {
03497 if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0);
03498 manager_ec_enable(bc);
03499
03500 if ( bc->txgain != 0 ) {
03501 cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03502 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03503 }
03504 if ( bc->rxgain != 0 ) {
03505 cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03506 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03507 }
03508 }
03509 break;
03510
03511 default:
03512 break;
03513 }
03514
03515
03516 msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03517 msg_queue_tail(&stack->downqueue, msg);
03518 sem_post(&glob_mgr->new_msg);
03519
03520 OUT:
03521 misdn_send_unlock(bc);
03522
03523 OUT_POST_UNLOCK:
03524 return retval;
03525 }
03526
03527
03528 static int handle_err(msg_t *msg)
03529 {
03530 iframe_t *frm = (iframe_t*) msg->data;
03531
03532
03533 if (!frm->addr) {
03534 static int cnt=0;
03535 if (!cnt)
03536 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03537 cnt++;
03538 if (cnt>100) {
03539 cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03540 cnt=0;
03541 }
03542
03543 free_msg(msg);
03544 return 1;
03545
03546 }
03547
03548 switch (frm->prim) {
03549 case MGR_SETSTACK|INDICATION:
03550 return handle_bchan(msg);
03551 break;
03552
03553 case MGR_SETSTACK|CONFIRM:
03554 case MGR_CLEARSTACK|CONFIRM:
03555 free_msg(msg) ;
03556 return 1;
03557 break;
03558
03559 case DL_DATA|CONFIRM:
03560 cb_log(4,0,"DL_DATA|CONFIRM\n");
03561 free_msg(msg);
03562 return 1;
03563
03564 case PH_CONTROL|CONFIRM:
03565 cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03566 free_msg(msg);
03567 return 1;
03568
03569 case DL_DATA|INDICATION:
03570 {
03571 struct misdn_bchannel *bc;
03572 int port=(frm->addr&MASTER_ID_MASK) >> 8;
03573 int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03574
03575
03576
03577 cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03578
03579 free_msg(msg) ;
03580 return 1;
03581
03582
03583 bc=find_bc_by_channel( port , channel);
03584
03585 if (!bc) {
03586 struct misdn_stack *stack=find_stack_by_port( port );
03587
03588 if (!stack) {
03589 cb_log(0,0," --> stack not found\n");
03590 free_msg(msg);
03591 return 1;
03592 }
03593
03594 cb_log(0,0," --> bc not found by channel\n");
03595 if (stack->l2link)
03596 misdn_lib_get_l2_down(stack);
03597
03598 if (stack->l1link)
03599 misdn_lib_get_l1_down(stack);
03600
03601 free_msg(msg);
03602 return 1;
03603 }
03604
03605 cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03606 }
03607 }
03608
03609 return 0;
03610 }
03611
03612 #if 0
03613 static int queue_l2l3(msg_t *msg)
03614 {
03615 iframe_t *frm= (iframe_t*)msg->data;
03616 struct misdn_stack *stack;
03617 stack=find_stack_by_addr( frm->addr );
03618
03619
03620 if (!stack) {
03621 return 0;
03622 }
03623
03624 msg_queue_tail(&stack->upqueue, msg);
03625 sem_post(&glob_mgr->new_msg);
03626 return 1;
03627 }
03628 #endif
03629
03630 int manager_isdn_handler(iframe_t *frm ,msg_t *msg)
03631 {
03632
03633 if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03634 cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03635 }
03636
03637 if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03638 static int unhandled_bmsg_count=1000;
03639 if (handle_bchan(msg)) {
03640 return 0 ;
03641 }
03642
03643 if (unhandled_bmsg_count==1000) {
03644 cb_log(0, 0, "received 1k Unhandled Bchannel Messages: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);
03645 unhandled_bmsg_count=0;
03646 }
03647
03648 unhandled_bmsg_count++;
03649 free_msg(msg);
03650 return 0;
03651 }
03652
03653 #ifdef RECV_FRM_SYSLOG_DEBUG
03654 syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03655 #endif
03656
03657 if (handle_timers(msg))
03658 return 0 ;
03659
03660
03661 if (handle_mgmt(msg))
03662 return 0 ;
03663
03664 if (handle_l2(msg))
03665 return 0 ;
03666
03667
03668 if (handle_l1(msg))
03669 return 0 ;
03670
03671 if (handle_frm_nt(msg)) {
03672 return 0;
03673 }
03674
03675 if (handle_frm(msg)) {
03676 return 0;
03677 }
03678
03679 if (handle_err(msg)) {
03680 return 0 ;
03681 }
03682
03683
03684 free_msg(msg);
03685
03686
03687 return 0;
03688 }
03689
03690
03691
03692
03693 int misdn_lib_get_port_info(int port)
03694 {
03695 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03696 iframe_t *frm;
03697 struct misdn_stack *stack=find_stack_by_port(port);
03698 if (!msg) {
03699 cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03700 return -1;
03701 }
03702 frm=(iframe_t*)msg->data;
03703 if (!stack ) {
03704 cb_log(0, port, "There is no Stack for this port.\n");
03705 return -1;
03706 }
03707
03708 frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03709
03710 frm->addr = stack->upper_id| FLG_MSG_DOWN;
03711
03712 frm->dinfo = 0;
03713 frm->len = 0;
03714
03715 msg_queue_tail(&glob_mgr->activatequeue, msg);
03716 sem_post(&glob_mgr->new_msg);
03717
03718
03719 return 0;
03720 }
03721
03722
03723 int queue_cleanup_bc(struct misdn_bchannel *bc)
03724 {
03725 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03726 iframe_t *frm;
03727 if (!msg) {
03728 cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03729 return -1;
03730 }
03731 frm=(iframe_t*)msg->data;
03732
03733
03734 frm->prim = MGR_CLEARSTACK| REQUEST;
03735
03736 frm->addr = bc->l3_id;
03737
03738 frm->dinfo = bc->port;
03739 frm->len = 0;
03740
03741 msg_queue_tail(&glob_mgr->activatequeue, msg);
03742 sem_post(&glob_mgr->new_msg);
03743
03744 return 0;
03745
03746 }
03747
03748 int misdn_lib_pid_restart(int pid)
03749 {
03750 struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03751
03752 if (bc) {
03753 manager_clean_bc(bc);
03754 }
03755 return 0;
03756 }
03757
03758
03759 int misdn_lib_send_restart(int port, int channel)
03760 {
03761 struct misdn_bchannel dummybc;
03762 struct misdn_stack *stack=find_stack_by_port(port);
03763 cb_log(0, port, "Sending Restarts on this port.\n");
03764
03765 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03766
03767
03768 if (channel <0) {
03769 dummybc.channel=-1;
03770 cb_log(0, port, "Restarting and all Interfaces\n");
03771 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03772
03773 return 0;
03774 }
03775
03776
03777 if (channel >0) {
03778 int cnt;
03779 dummybc.channel=channel;
03780 cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
03781 misdn_lib_send_event(&dummybc, EVENT_RESTART);
03782
03783
03784 for (cnt=0; cnt<=stack->b_num; cnt++) {
03785 if (stack->bc[cnt].channel == channel) {
03786 empty_bc(&stack->bc[cnt]);
03787 clean_up_bc(&stack->bc[cnt]);
03788 stack->bc[cnt].in_use=0;
03789 }
03790 }
03791 }
03792
03793 return 0;
03794 }
03795
03796
03797 int misdn_lib_port_restart(int port)
03798 {
03799 struct misdn_stack *stack=find_stack_by_port(port);
03800
03801 cb_log(0, port, "Restarting this port.\n");
03802 if (stack) {
03803 cb_log(0, port, "Stack:%p\n",stack);
03804
03805 clear_l3(stack);
03806 {
03807 msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03808 iframe_t *frm;
03809
03810 if (!msg) {
03811 cb_log(0, port, "port_restart: alloc_msg failed\n");
03812 return -1;
03813 }
03814
03815 frm=(iframe_t*)msg->data;
03816
03817
03818 frm->prim = DL_RELEASE | REQUEST;
03819 frm->addr = stack->upper_id | FLG_MSG_DOWN;
03820
03821 frm->dinfo = 0;
03822 frm->len = 0;
03823 msg_queue_tail(&glob_mgr->activatequeue, msg);
03824 sem_post(&glob_mgr->new_msg);
03825 }
03826
03827 if (stack->nt)
03828 misdn_lib_reinit_nt_stack(stack->port);
03829
03830 }
03831
03832 return 0;
03833 }
03834
03835
03836
03837 sem_t handler_started;
03838
03839 static void manager_event_handler(void *arg)
03840 {
03841 sem_post(&handler_started);
03842 while (1) {
03843 struct misdn_stack *stack;
03844 msg_t *msg;
03845
03846
03847 sem_wait(&glob_mgr->new_msg);
03848
03849 for (msg=msg_dequeue(&glob_mgr->activatequeue);
03850 msg;
03851 msg=msg_dequeue(&glob_mgr->activatequeue)
03852 )
03853 {
03854
03855 iframe_t *frm = (iframe_t*) msg->data ;
03856
03857 switch ( frm->prim) {
03858
03859 case MGR_CLEARSTACK | REQUEST:
03860
03861 {
03862 struct misdn_bchannel *bc;
03863 struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03864 if (!stack) {
03865 cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03866 free_msg(msg);
03867 break;
03868 }
03869
03870 bc=find_bc_by_l3id(stack,frm->addr);
03871 if (bc) {
03872 cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03873 clean_up_bc(bc);
03874 } else {
03875 cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03876 }
03877 }
03878 free_msg(msg);
03879 break;
03880 case MGR_SETSTACK | REQUEST :
03881 break;
03882 default:
03883 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03884 free_msg(msg);
03885 }
03886 }
03887
03888 for (stack=glob_mgr->stack_list;
03889 stack;
03890 stack=stack->next ) {
03891
03892 while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03893
03894 if (!handle_frm_nt(msg)) {
03895
03896 if (!handle_frm(msg)) {
03897
03898 cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03899 }
03900 }
03901 }
03902
03903
03904
03905
03906
03907
03908 while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03909 if (stack->nt ) {
03910 if (stack->nst.manager_l3(&stack->nst, msg))
03911 cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03912
03913 } else {
03914 iframe_t *frm = (iframe_t *)msg->data;
03915 struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03916 if (bc) send_msg(glob_mgr->midev, bc, msg);
03917 else {
03918 if (frm->dinfo == MISDN_ID_GLOBAL) {
03919 struct misdn_bchannel dummybc;
03920 make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03921 send_msg(glob_mgr->midev, &dummybc, msg);
03922 }
03923 }
03924 }
03925 }
03926 }
03927 }
03928 }
03929
03930
03931 int misdn_lib_maxports_get() {
03932
03933 int i = mISDN_open();
03934 int max=0;
03935
03936 if (i<0)
03937 return -1;
03938
03939 max = mISDN_get_stack_count(i);
03940
03941 mISDN_close(i);
03942
03943 return max;
03944 }
03945
03946
03947 void misdn_lib_nt_keepcalls( int kc)
03948 {
03949 #ifdef FEATURE_NET_KEEPCALLS
03950 if (kc) {
03951 struct misdn_stack *stack=get_misdn_stack();
03952 for ( ; stack; stack=stack->next) {
03953 stack->nst.feature |= FEATURE_NET_KEEPCALLS;
03954 }
03955 }
03956 #endif
03957 }
03958
03959 void misdn_lib_nt_debug_init( int flags, char *file )
03960 {
03961 int static init=0;
03962 char *f;
03963
03964 if (!flags)
03965 f=NULL;
03966 else
03967 f=file;
03968
03969 if (!init) {
03970 debug_init( flags , f, f, f);
03971 init=1;
03972 } else {
03973 debug_close();
03974 debug_init( flags , f, f, f);
03975 }
03976 }
03977
03978
03979 int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data)
03980 {
03981 struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
03982 char *tok, *tokb;
03983 char plist[1024];
03984 int midev;
03985 int port_count=0;
03986
03987 cb_log = iface->cb_log;
03988 cb_event = iface->cb_event;
03989 cb_jb_empty = iface->cb_jb_empty;
03990
03991 glob_mgr = mgr;
03992
03993 msg_init();
03994
03995 misdn_lib_nt_debug_init(0,NULL);
03996
03997 if (!portlist || (*portlist == 0) ) return 1;
03998
03999 init_flip_bits();
04000
04001 {
04002 strncpy(plist,portlist, 1024);
04003 plist[1023] = 0;
04004 }
04005
04006 memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
04007 flip_buf_bits(tone_425_flip,TONE_425_SIZE);
04008
04009 memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
04010 flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
04011
04012 midev=te_lib_init();
04013 mgr->midev=midev;
04014
04015 port_count=mISDN_get_stack_count(midev);
04016
04017 msg_queue_init(&mgr->activatequeue);
04018
04019 if (sem_init(&mgr->new_msg, 1, 0)<0)
04020 sem_init(&mgr->new_msg, 0, 0);
04021
04022 for (tok=strtok_r(plist," ,",&tokb );
04023 tok;
04024 tok=strtok_r(NULL," ,",&tokb)) {
04025 int port = atoi(tok);
04026 struct misdn_stack *stack;
04027 static int first=1;
04028 int ptp=0;
04029
04030 if (strstr(tok, "ptp"))
04031 ptp=1;
04032
04033 if (port > port_count) {
04034 cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
04035 exit(1);
04036 }
04037 stack=stack_init(midev, port, ptp);
04038
04039 if (!stack) {
04040 perror("init_stack");
04041 exit(1);
04042 }
04043
04044 {
04045 int i;
04046 for(i=0;i<=stack->b_num; i++) {
04047 int r;
04048 if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
04049 cb_log(0, port, "Got Err @ init_bc :%d\n",r);
04050 exit(1);
04051 }
04052 }
04053 }
04054
04055 if (stack && first) {
04056 mgr->stack_list=stack;
04057 first=0;
04058 continue;
04059 }
04060
04061 if (stack) {
04062 struct misdn_stack * help;
04063 for ( help=mgr->stack_list; help; help=help->next )
04064 if (help->next == NULL) break;
04065 help->next=stack;
04066 }
04067
04068 }
04069
04070 if (sem_init(&handler_started, 1, 0)<0)
04071 sem_init(&handler_started, 0, 0);
04072
04073 cb_log(8, 0, "Starting Event Handler\n");
04074 pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04075
04076 sem_wait(&handler_started) ;
04077 cb_log(8, 0, "Starting Event Catcher\n");
04078 pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04079
04080 cb_log(8, 0, "Event Catcher started\n");
04081
04082 global_state= MISDN_INITIALIZED;
04083
04084 return (mgr == NULL);
04085 }
04086
04087 void misdn_lib_destroy()
04088 {
04089 struct misdn_stack *help;
04090 int i;
04091
04092 for ( help=glob_mgr->stack_list; help; help=help->next ) {
04093 for(i=0;i<=help->b_num; i++) {
04094 char buf[1024];
04095 mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04096 help->bc[i].addr = 0;
04097 }
04098 cb_log (1, help->port, "Destroying this port.\n");
04099 stack_destroy(help);
04100 }
04101
04102 if (global_state == MISDN_INITIALIZED) {
04103 cb_log(4, 0, "Killing Handler Thread\n");
04104 if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04105 cb_log(4, 0, "Joining Handler Thread\n");
04106 pthread_join(glob_mgr->event_handler_thread, NULL);
04107 }
04108
04109 cb_log(4, 0, "Killing Main Thread\n");
04110 if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04111 cb_log(4, 0, "Joining Main Thread\n");
04112 pthread_join(glob_mgr->event_thread, NULL);
04113 }
04114 }
04115
04116 cb_log(1, 0, "Closing mISDN device\n");
04117 te_lib_destroy(glob_mgr->midev);
04118 }
04119
04120 char *manager_isdn_get_info(enum event_e event)
04121 {
04122 return isdn_get_info(msgs_g , event, 0);
04123 }
04124
04125 void manager_bchannel_activate(struct misdn_bchannel *bc)
04126 {
04127 char buf[128];
04128
04129 struct misdn_stack *stack=get_stack_by_bc(bc);
04130
04131 if (!stack) {
04132 cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04133 return ;
04134 }
04135
04136
04137 clear_ibuffer(bc->astbuf);
04138
04139 cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04140
04141 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04142
04143 return ;
04144 }
04145
04146
04147 void manager_bchannel_deactivate(struct misdn_bchannel * bc)
04148 {
04149 char buf[128];
04150 iframe_t dact;
04151 struct misdn_stack *stack=get_stack_by_bc(bc);
04152
04153 switch (bc->bc_state) {
04154 case BCHAN_ACTIVATED:
04155 break;
04156 case BCHAN_BRIDGED:
04157 misdn_split_conf(bc,bc->conf_id);
04158 break;
04159 default:
04160 cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04161 return ;
04162
04163 }
04164
04165 cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04166
04167 bc->generate_tone=0;
04168
04169 dact.prim = DL_RELEASE | REQUEST;
04170 dact.addr = bc->addr | FLG_MSG_DOWN;
04171 dact.dinfo = 0;
04172 dact.len = 0;
04173 mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04174
04175 clear_ibuffer(bc->astbuf);
04176
04177 bc_state_change(bc,BCHAN_RELEASE);
04178
04179 return;
04180 }
04181
04182
04183 int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len)
04184 {
04185 char buf[4096 + mISDN_HEADER_LEN];
04186 iframe_t *frm;
04187 int r;
04188 struct misdn_stack *stack=get_stack_by_bc(bc);
04189
04190 switch (bc->bc_state) {
04191 case BCHAN_ACTIVATED:
04192 case BCHAN_BRIDGED:
04193 break;
04194 default:
04195 cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04196 return -1;
04197 }
04198
04199 frm= (iframe_t*)buf;
04200
04201 frm->prim = DL_DATA|REQUEST;
04202 frm->dinfo = 0;
04203 frm->addr = bc->addr | FLG_MSG_DOWN ;
04204
04205 frm->len = len;
04206 memcpy(&buf[mISDN_HEADER_LEN], data,len);
04207
04208 if ( misdn_cap_is_speech(bc->capability) )
04209 flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04210 else
04211 cb_log(6, stack->port, "Writing %d data bytes\n",len);
04212
04213 cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04214 r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04215 return 0;
04216 }
04217
04218
04219
04220
04221
04222
04223 void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2)
04224 {
04225 unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04226 iframe_t *ctrl = (iframe_t *)buffer;
04227 unsigned int *d = (unsigned int*)&ctrl->data.p;
04228
04229
04230 cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04231
04232 ctrl->prim = PH_CONTROL | REQUEST;
04233 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04234 ctrl->dinfo = 0;
04235 ctrl->len = sizeof(unsigned int)*2;
04236 *d++ = c1;
04237 *d++ = c2;
04238 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04239 }
04240
04241
04242
04243
04244 void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
04245 {
04246 manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04247 }
04248
04249 void isdn_lib_update_txgain (struct misdn_bchannel *bc)
04250 {
04251 manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04252 }
04253
04254 void isdn_lib_update_ec (struct misdn_bchannel *bc)
04255 {
04256 #ifdef MISDN_1_2
04257 if (*bc->pipeline)
04258 #else
04259 if (bc->ec_enable)
04260 #endif
04261 manager_ec_enable(bc);
04262 else
04263 manager_ec_disable(bc);
04264 }
04265
04266 void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
04267 {
04268 manager_ph_control(bc, DTMF_TONE_STOP, 0);
04269 }
04270
04271
04272
04273
04274 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
04275 {
04276 unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04277 iframe_t *ctrl = (iframe_t *)buffer;
04278 unsigned int *d = (unsigned int *)&ctrl->data.p;
04279
04280
04281 ctrl->prim = PH_CONTROL | REQUEST;
04282 ctrl->addr = bc->addr | FLG_MSG_DOWN;
04283 ctrl->dinfo = 0;
04284 ctrl->len = sizeof(unsigned int) + c2_len;
04285 *d++ = c1;
04286 memcpy(d, c2, c2_len);
04287 mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04288 }
04289
04290
04291
04292
04293 void manager_clean_bc(struct misdn_bchannel *bc )
04294 {
04295 struct misdn_stack *stack=get_stack_by_bc(bc);
04296
04297 if (bc->channel>0)
04298 empty_chan_in_stack(stack, bc->channel);
04299 empty_bc(bc);
04300 bc->in_use=0;
04301
04302 cb_event(EVENT_CLEANUP, bc, NULL);
04303 }
04304
04305
04306 void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder)
04307 {
04308 struct misdn_bchannel *help;
04309 cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04310
04311 holder->stack_holder=1;
04312
04313 if (!stack ) return ;
04314
04315 holder->next=NULL;
04316
04317 if (!stack->holding) {
04318 stack->holding = holder;
04319 return;
04320 }
04321
04322 for (help=stack->holding;
04323 help;
04324 help=help->next) {
04325 if (!help->next) {
04326 help->next=holder;
04327 break;
04328 }
04329 }
04330
04331 }
04332
04333 void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder)
04334 {
04335 struct misdn_bchannel *h1;
04336
04337 if (!holder->stack_holder) return;
04338
04339 holder->stack_holder=0;
04340
04341 cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04342 if (!stack || ! stack->holding) return;
04343
04344 if (holder == stack->holding) {
04345 stack->holding = stack->holding->next;
04346 return;
04347 }
04348
04349 for (h1=stack->holding;
04350 h1;
04351 h1=h1->next) {
04352 if (h1->next == holder) {
04353 h1->next=h1->next->next;
04354 return ;
04355 }
04356 }
04357 }
04358
04359 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan)
04360 {
04361 struct misdn_bchannel *help;
04362
04363 cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04364
04365 if (!stack) return NULL;
04366
04367 for (help=stack->holding;
04368 help;
04369 help=help->next) {
04370 if (help->channel == chan) {
04371 cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04372 return help;
04373 }
04374 }
04375
04376 cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04377 return NULL;
04378
04379 }
04380
04381 struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id)
04382 {
04383 struct misdn_bchannel *help;
04384
04385 cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id);
04386
04387 if (!stack) return NULL;
04388
04389 for (help=stack->holding;
04390 help;
04391 help=help->next) {
04392 if (help->l3_id == l3id) {
04393 cb_log(4,stack->port, "*HOLDER: found bc\n");
04394 return help;
04395 }
04396 }
04397
04398 cb_log(4,stack->port, "*HOLDER: find nothing\n");
04399 return NULL;
04400 }
04401
04402
04403
04404 void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone)
04405 {
04406 char buf[mISDN_HEADER_LEN+128];
04407 iframe_t *frm;
04408
04409 switch(tone) {
04410 case TONE_DIAL:
04411 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04412 break;
04413
04414 case TONE_ALERTING:
04415 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04416 break;
04417
04418 case TONE_HANGUP:
04419 manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04420 break;
04421
04422 case TONE_NONE:
04423 default:
04424 manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04425 }
04426
04427 frm=(iframe_t*)buf;
04428 memset(buf,0,mISDN_HEADER_LEN+128);
04429
04430 frm->prim=DL_DATA|REQUEST;
04431 frm->addr=bc->addr|FLG_MSG_DOWN;
04432 frm->dinfo=0;
04433 frm->len=128;
04434
04435 mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04436 }
04437
04438
04439 void manager_ec_enable(struct misdn_bchannel *bc)
04440 {
04441 struct misdn_stack *stack=get_stack_by_bc(bc);
04442
04443 cb_log(4, stack?stack->port:0,"ec_enable\n");
04444
04445 if (!misdn_cap_is_speech(bc->capability)) {
04446 cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04447 } else {
04448
04449 #ifdef MISDN_1_2
04450 if (*bc->pipeline) {
04451 cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04452 manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04453 }
04454 #else
04455 int ec_arr[2];
04456
04457 if (bc->ec_enable) {
04458 cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04459
04460 switch (bc->ec_deftaps) {
04461 case 4:
04462 case 8:
04463 case 16:
04464 case 32:
04465 case 64:
04466 case 128:
04467 case 256:
04468 case 512:
04469 case 1024:
04470 cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04471 break;
04472 default:
04473 cb_log(0, stack->port, "Taps should be power of 2\n");
04474 bc->ec_deftaps=128;
04475 }
04476
04477 ec_arr[0]=bc->ec_deftaps;
04478 ec_arr[1]=0;
04479
04480 manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr));
04481 }
04482 #endif
04483 }
04484 }
04485
04486
04487
04488 void manager_ec_disable(struct misdn_bchannel *bc)
04489 {
04490 struct misdn_stack *stack=get_stack_by_bc(bc);
04491
04492 cb_log(4, stack?stack->port:0," --> ec_disable\n");
04493
04494 if (!misdn_cap_is_speech(bc->capability)) {
04495 cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04496 return;
04497 }
04498
04499 #ifdef MISDN_1_2
04500 manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04501 #else
04502 if ( ! bc->ec_enable) {
04503 cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04504 manager_ph_control(bc, ECHOCAN_OFF, 0);
04505 }
04506 #endif
04507 }
04508
04509 struct misdn_stack* get_misdn_stack() {
04510 return glob_mgr->stack_list;
04511 }
04512
04513
04514
04515 void misdn_join_conf(struct misdn_bchannel *bc, int conf_id)
04516 {
04517 char data[16];
04518 int len=15;
04519
04520 bc_state_change(bc,BCHAN_BRIDGED);
04521 manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04522 manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04523
04524 cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04525
04526 memset(data,0,15);
04527
04528 misdn_lib_tx2misdn_frm(bc, data, len);
04529
04530 }
04531
04532
04533 void misdn_split_conf(struct misdn_bchannel *bc, int conf_id)
04534 {
04535 bc_state_change(bc,BCHAN_ACTIVATED);
04536 manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04537 manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04538
04539 cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04540 }
04541
04542 void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04543 {
04544 int conf_id=bc1->pid +1;
04545 struct misdn_bchannel *bc_list[]={
04546 bc1,bc2,NULL
04547 };
04548 struct misdn_bchannel **bc;
04549
04550 cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04551
04552 for (bc=bc_list; *bc; bc++) {
04553 (*bc)->conf_id=conf_id;
04554 cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04555
04556 switch((*bc)->bc_state) {
04557 case BCHAN_ACTIVATED:
04558 misdn_join_conf(*bc,conf_id);
04559 break;
04560 default:
04561 bc_next_state_change(*bc,BCHAN_BRIDGED);
04562 break;
04563 }
04564 }
04565 }
04566
04567 void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2)
04568 {
04569
04570 struct misdn_bchannel *bc_list[]={
04571 bc1,bc2,NULL
04572 };
04573 struct misdn_bchannel **bc;
04574
04575 for (bc=bc_list; *bc; bc++) {
04576 if ( (*bc)->bc_state == BCHAN_BRIDGED){
04577 misdn_split_conf( *bc, (*bc)->conf_id);
04578 } else {
04579 cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04580 }
04581 }
04582
04583 }
04584
04585
04586
04587 void misdn_lib_echo(struct misdn_bchannel *bc, int onoff)
04588 {
04589 cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04590 manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04591 }
04592
04593
04594
04595 void misdn_lib_reinit_nt_stack(int port)
04596 {
04597 struct misdn_stack *stack=find_stack_by_port(port);
04598
04599 if (stack) {
04600 stack->l2link=0;
04601 stack->blocked=0;
04602
04603 cleanup_Isdnl3(&stack->nst);
04604 cleanup_Isdnl2(&stack->nst);
04605
04606
04607 memset(&stack->nst, 0, sizeof(net_stack_t));
04608 memset(&stack->mgr, 0, sizeof(manager_t));
04609
04610 stack->mgr.nst = &stack->nst;
04611 stack->nst.manager = &stack->mgr;
04612
04613 stack->nst.l3_manager = handle_event_nt;
04614 stack->nst.device = glob_mgr->midev;
04615 stack->nst.cardnr = port;
04616 stack->nst.d_stid = stack->d_stid;
04617
04618 stack->nst.feature = FEATURE_NET_HOLD;
04619 if (stack->ptp)
04620 stack->nst.feature |= FEATURE_NET_PTP;
04621 if (stack->pri)
04622 stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04623
04624 stack->nst.l1_id = stack->lower_id;
04625 stack->nst.l2_id = stack->upper_id;
04626
04627 msg_queue_init(&stack->nst.down_queue);
04628
04629 Isdnl2Init(&stack->nst);
04630 Isdnl3Init(&stack->nst);
04631
04632 if (!stack->ptp)
04633 misdn_lib_get_l1_up(stack);
04634 misdn_lib_get_l2_up(stack);
04635 }
04636 }
04637
04638