1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688
|
/*******************************************************************************
* *
* M-DART Routing Protocol *
* *
* Copyright (C) 2006 by Marcello Caleffi *
* marcello.caleffi@unina.it *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions are met: *
* 1. Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. The name of the author may not be used to endorse or promote products *
* derived from this software without specific prior written permission. *
* *
* This software is provided by the author ``as is'' and any express or *
* implied warranties, including, but not limited to, the implied warranties *
* of merchantability and fitness for a particular purpose are disclaimed. *
* in no event shall the author be liable for any direct, indirect, *
* incidental, special, exemplary, or consequential damages (including, but *
* not limited to, procurement of substitute goods or services; loss of use, *
* data, or profits; or business interruption) however caused and on any *
* theory of liability, whether in contract, strict liability, or tort *
* (including negligence or otherwise) arising in any way out of the use of *
* this software, even if advised of the possibility of such damage. *
* *
* The M-DART code has been developed by Marcello Caleffi during his Ph.D. at *
* the Department of Biomedical, Electronic and Telecommunications Engineering *
* University of Naples Federico II, Italy. *
* *
* In order to give credit and recognition to the author, if you use M-DART *
* results or results obtained by modificating the M-DART source code, please *
* cite one of the following papers: *
* - M. Caleffi, L. Paura, "M-DART: Multi-Path Dynamic Address RouTing", *
* Wireless Communications and Mobile Computing, 2010 *
* - M. Caleffi, G. Ferraiuolo, L. Paura, "Augmented Tree-based Routing *
* Protocol for Scalable Ad Hoc Networks", Proc. of IEEE MASS '07: IEEE *
* Internatonal Conference on Mobile Adhoc and Sensor Systems, Pisa (Italy), *
* October 8-11 2007. *
* *
******************************************************************************/
#include <mdart/mdart_adp.h>
#include <mdart/mdart_dht.h>
#include <mdart/mdart.h>
#include <mdart/mdart_function.h>
//------------------------------------------------------------------------------
// Address Discovery Protocol (ADP)
//------------------------------------------------------------------------------
ADP::ADP(MDART* mdart) {
mdart_ = mdart;
timer_ = new ADPDaupTimer(this);
timerRx_ = new ADPDarqTimer(this);
dht_ = new DHT();
pckSeqNum_ = 0;
}
ADP::~ADP() {
delete timer_;
delete dht_;
}
//------------------------------------------------------------------------------
// ADP network address function
//------------------------------------------------------------------------------
void ADP::updateAdd() {
addEntry(mdart_->id_, mdart_->address_);
#ifdef ADP_DABR_ENABLE
if (DHTSize() > 0) {
sendDabr();
}
#endif
}
//------------------------------------------------------------------------------
// ADP message functions
//------------------------------------------------------------------------------
void ADP::checkDarq() {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::checkDarq()\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
#endif
for (int i=0; i<mdart_->queue_->size(); i++) {
if (mdart_->queue_->isExpired(i)) {
Packet *p = mdart_->queue_->getPacket(i);
#ifdef DEBUG_ADP
fprintf(stdout, "\tre-sending darq for node %d\n", HDR_IP(p)->daddr());
#endif
sendDarq(HDR_IP(p)->daddr(), HDR_CMN(p)->uid());
}
}
}
void ADP::sendDarq(nsaddr_t reqId, int reqpktId) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tADP::sendDarq(%d)\t\t\tin node %d\twith address %s\n", CURRENT_TIME, reqId, mdart_->id_, bitString(mdart_->address_));
#endif
nsaddr_t dstAdd_ = ::hash(reqId);
#ifdef DEBUG_ADP
fprintf(stdout, "\tsending darq for node %s\n", bitString(dstAdd_));
#endif
if (dstAdd_ == mdart_->address_ ) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ DROP_RTR_ADPMISS\n");
#endif
return;
}
if (mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) {
bitset<ADDR_SIZE> oldAdd_ (dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\told dstAdd_ = %s\n", bitString(dstAdd_));
#endif
int i = 0;
while ((mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) && (i < ADDR_SIZE)) {
oldAdd_.reset(i);
dstAdd_ = (nsaddr_t) oldAdd_.to_ulong();
// fprintf(stdout, "\ttemp dstAdd_ = %s\n", bitString(dstAdd_));
i++;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\tnew dstAdd_ = %s\n", bitString(dstAdd_));
#endif
if (mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ DROP_RTR_ADPNRT\n");
#endif
return;
}
}
nsaddr_t nextHop_ = mdart_->routingTable_->DAGetEntry(dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tselected nextHop %d\n", nextHop_);
#endif
Packet *sendPkt_ = Packet::alloc();
struct hdr_cmn *sendPktCh_ = HDR_CMN(sendPkt_);
struct hdr_ip *sendPktIh_ = HDR_IP(sendPkt_);
struct hdr_mdart_darq *sendPktRh_ = HDR_MDART_DARQ(sendPkt_);
sendPktCh_->ptype() = PT_MDART;
sendPktCh_->size() = IP_HDR_LEN + mdart_->size();
sendPktCh_->iface() = -2;
sendPktCh_->error() = 0;
sendPktCh_->addr_type() = NS_AF_NONE;
sendPktCh_->next_hop() = nextHop_;
sendPktCh_->ts_ = CURRENT_TIME;
sendPktIh_->saddr() = mdart_->id_;
sendPktIh_->daddr() = nextHop_;
sendPktIh_->sport() = RT_PORT;
sendPktIh_->dport() = RT_PORT;
sendPktIh_->ttl_ = IP_DEF_TTL;
sendPktRh_->type_ = MDART_TYPE_DARQ;
sendPktRh_->srcId_ = mdart_->id_;
sendPktRh_->srcAdd_ = mdart_->address_;
sendPktRh_->forId_ = mdart_->id_;
sendPktRh_->forAdd_ = mdart_->address_;
sendPktRh_->dstId_ = findId(dstAdd_);
sendPktRh_->dstAdd_ = dstAdd_;
sendPktRh_->lifetime_ = ADP_DARQ_TIMEOUT;
sendPktRh_->reqId_ = reqId;
sendPktRh_->seqNum_ = pckSeqNum();
#ifdef DEBUG_ADP
fprintf(stdout, "\tsendPktIh_->saddr = %d\n", sendPktIh_->saddr());
fprintf(stdout, "\tsendPktIh_->daddr = %d\n", sendPktIh_->daddr());
fprintf(stdout, "\tsendPktRh_->srcId_ = %d\n", sendPktRh_->srcId_);
fprintf(stdout, "\tsendPktRh_->srcAdd_ = %s\n", bitString(sendPktRh_->srcAdd_));
fprintf(stdout, "\tsendPktRh_->forId_ = %d\n", sendPktRh_->forId_);
fprintf(stdout, "\tsendPktRh_->forAdd_ = %s\n", bitString(sendPktRh_->forAdd_));
fprintf(stdout, "\tsendPktRh_->dstId_ = %d\n", sendPktRh_->dstId_);
fprintf(stdout, "\tsendPktRh_->dstAdd_ = %s\n", bitString(sendPktRh_->dstAdd_));
fprintf(stdout, "\tsendPktRh_->reqId_ = %d\n", sendPktRh_->reqId_);
fprintf(stdout, "\tsendPktRh_->seqNum_ = %d\n", sendPktRh_->seqNum_);
#endif
Scheduler::instance().schedule(mdart_->getTarget(), sendPkt_, 0.0);
}
void ADP::recvDarq(Packet* recvPkt) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tADP::recvDarq()\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
#endif
struct hdr_cmn *recvPktCh_ = HDR_CMN(recvPkt);
struct hdr_ip *recvPktIh_ = HDR_IP(recvPkt);
struct hdr_mdart_darq *recvPktRh_ = HDR_MDART_DARQ(recvPkt);
#ifdef DEBUG_ADP
fprintf(stdout, "\treceveing darq for node %s\n", bitString(recvPktRh_->dstAdd_));
mdart_->routingTable_->print();
#endif
#ifdef ADP_DAXX_CACHING
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
addEntry(recvPktRh_->forId_, recvPktRh_->forAdd_);
#endif
nsaddr_t findAdd_ = findAdd(recvPktRh_->reqId_);
bool changeAdd_ = false;
if (findAdd_ != (nsaddr_t) IP_BROADCAST) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ received\n");
#endif
sendDarp(recvPkt);
return;
}
if (recvPktRh_->dstAdd_ == mdart_->address_) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ DROP_RTR_ADPMISS\n");
#endif
mdart_->drop(recvPkt, "DROP_RTR_ADPMISS");
return;
}
if (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST) {
changeAdd_ = true;
bitset<ADDR_SIZE> oldAdd_ (recvPktRh_->dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\told dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
#endif
int i = 0;
while (((mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == recvPktRh_->forId_) || (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST)) && (i < ADDR_SIZE)) {
oldAdd_.reset(i);
recvPktRh_->dstAdd_ = (nsaddr_t) oldAdd_.to_ulong();
i++;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\tnew dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
#endif
if (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ DROP_RTR_ADPNRT\n");
#endif
mdart_->drop(recvPkt, "DROP_RTR_ADPNRT");
return;
}
}
nsaddr_t nextHop_ = mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_);
if (nextHop_ == recvPktRh_->forId_ && !changeAdd_) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARQ DROP_RTR_ADPLOOP\n");
#endif
mdart_->drop(recvPkt, "DROP_RTR_ADPNRT");
return;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\t\tselected nextHop_ = %d\n", nextHop_);
#endif
recvPktCh_->direction() = hdr_cmn::DOWN;
recvPktCh_->next_hop() = nextHop_;
recvPktIh_->daddr() = nextHop_;
recvPktRh_->forId_ = mdart_->id_;
recvPktRh_->forAdd_ = mdart_->address_;
recvPktRh_->dstId_ = findId(recvPktRh_->dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\trecvPktIh_->saddr = %d\n", recvPktIh_->saddr());
fprintf(stdout, "\trecvPktIh_->daddr = %d\n", recvPktIh_->daddr());
fprintf(stdout, "\trecvPktRh_->srcId_ = %d\n", recvPktRh_->srcId_);
fprintf(stdout, "\trecvPktRh_->srcAdd_ = %s\n", bitString(recvPktRh_->srcAdd_));
fprintf(stdout, "\trecvPktRh_->forId_ = %d\n", recvPktRh_->forId_);
fprintf(stdout, "\trecvPktRh_->forAdd_ = %s\n", bitString(recvPktRh_->forAdd_));
fprintf(stdout, "\trecvPktRh_->dstId_ = %d\n", recvPktRh_->dstId_);
fprintf(stdout, "\trecvPktRh_->dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
fprintf(stdout, "\trecvPktRh_->reqId_ = %d\n", recvPktRh_->reqId_);
#endif
Scheduler::instance().schedule(mdart_->getTarget(), recvPkt, 0.0);
}
void ADP::sendDarp(Packet* recvPkt) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::sendDarp()\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
#endif
struct hdr_mdart_darq *recvPktRh_ = HDR_MDART_DARQ(recvPkt);
nsaddr_t nextHop_ = mdart_->routingTable_->getEntry(recvPktRh_->srcAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\t\tselected nextHop_ = %d\n", nextHop_);
#endif
Packet *sendPkt_ = Packet::alloc();
struct hdr_cmn *sendPktCh_ = HDR_CMN(sendPkt_);
struct hdr_ip *sendPktIh_ = HDR_IP(sendPkt_);
struct hdr_mdart_darp *sendPktRh_ = HDR_MDART_DARP(sendPkt_);
sendPktCh_->ptype() = PT_MDART;
sendPktCh_->size() = IP_HDR_LEN + mdart_->size();
sendPktCh_->iface() = -2;
sendPktCh_->error() = 0;
sendPktCh_->addr_type() = NS_AF_NONE;
// sendPktCh_->next_hop() = recvPktRh_->forId_;
sendPktCh_->next_hop() = nextHop_;
sendPktIh_->saddr() = mdart_->id_;
// sendPktIh_->daddr() = recvPktRh_->forId_;
sendPktIh_->daddr() = nextHop_;
sendPktIh_->sport() = RT_PORT;
sendPktIh_->dport() = RT_PORT;
sendPktIh_->ttl_ = IP_DEF_TTL;
sendPktRh_->type_ = MDART_TYPE_DARP;
sendPktRh_->srcId_ = mdart_->id_;
sendPktRh_->srcAdd_ = mdart_->address_;
sendPktRh_->forId_ = mdart_->id_;
sendPktRh_->forAdd_ = mdart_->address_;
sendPktRh_->dstId_ = recvPktRh_->srcId_;
sendPktRh_->dstAdd_ = recvPktRh_->srcAdd_;
sendPktRh_->reqId_ = recvPktRh_->reqId_;
sendPktRh_->reqAdd_ = findAdd(recvPktRh_->reqId_);
sendPktRh_->lifetime_ = ADP_DARP_TIMEOUT;
sendPktRh_->seqNum_ = pckSeqNum();
#ifdef DEBUG_ADP
fprintf(stdout, "\tsendPktIh_->saddr = %d\n", sendPktIh_->saddr());
fprintf(stdout, "\tsendPktIh_->daddr = %d\n", sendPktIh_->daddr());
fprintf(stdout, "\tsendPktRh_->srcId = %d\n", sendPktRh_->srcId_);
fprintf(stdout, "\tsendPktRh_->srcAdd = %s\n", bitString(sendPktRh_->srcAdd_));
fprintf(stdout, "\tsendPktRh_->forId = %d\n", sendPktRh_->forId_);
fprintf(stdout, "\tsendPktRh_->forAdd = %s\n", bitString(sendPktRh_->forAdd_));
fprintf(stdout, "\tsendPktRh_->dstId = %d\n", sendPktRh_->dstId_);
fprintf(stdout, "\tsendPktRh_->dstAdd = %s\n", bitString(sendPktRh_->dstAdd_));
fprintf(stdout, "\tsendPktRh_->reqId = %d\n", recvPktRh_->reqId_);
fprintf(stdout, "\tsendPktRh_->reqAdd = %s\n", bitString(sendPktRh_->reqAdd_));
#endif
Packet::free(recvPkt);
Scheduler::instance().schedule(mdart_->getTarget(), sendPkt_, 0.0);
}
void ADP::recvDarp(Packet* recvPkt) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::recvDarp()\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
#endif
struct hdr_cmn *recvPktCh_ = HDR_CMN(recvPkt);
struct hdr_ip *recvPktIh_ = HDR_IP(recvPkt);
struct hdr_mdart_darp* recvPktRh_ = HDR_MDART_DARP(recvPkt);
#ifdef DEBUG_ADP
fprintf(stdout, "\treceveing darp from node %s\n", bitString(recvPktRh_->srcAdd_));
#endif
#ifdef ADP_DAXX_CACHING
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
addEntry(recvPktRh_->forId_, recvPktRh_->forAdd_);
addEntry(recvPktRh_->dstId_, recvPktRh_->dstAdd_);
addEntry(recvPktRh_->reqId_, recvPktRh_->reqAdd_);
#endif
if (recvPktRh_->dstAdd_ == mdart_->address_) {
addEntry(recvPktRh_->reqId_, recvPktRh_->reqAdd_);
Packet::free(recvPkt);
return;
}
nsaddr_t nextHop_ = mdart_->routingTable_->getEntry(recvPktRh_->dstAdd_);
if (nextHop_ == (nsaddr_t)IP_BROADCAST) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARP DROP_RTR_ADPRTR\n");
#endif
Packet::free(recvPkt);
return;
}
if (nextHop_ == recvPktRh_->forId_) {
#ifdef DEBUG_ADP
fprintf(stdout, "\tDARP DROP_RTR_ADPLOOP\n");
#endif
Packet::free(recvPkt);
return;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\t\tselected nextHop_ = %d\n", nextHop_);
#endif
recvPktCh_->direction() = hdr_cmn::DOWN;
recvPktCh_->next_hop() = nextHop_;
// recvPktIh_->saddr() = mdart_->address_;
recvPktIh_->daddr() = nextHop_;
// recvPktRh_->dstId_ = findId(recvPktRh_->dstAdd_);
recvPktRh_->forId_ = mdart_->id_;
recvPktRh_->forAdd_ = mdart_->address_;
#ifdef DEBUG_ADP
fprintf(stdout, "\tsendPktIh_->saddr = %d\n", recvPktIh_->saddr());
fprintf(stdout, "\tsendPktIh_->daddr = %d\n", recvPktIh_->daddr());
fprintf(stdout, "\tsendPktRh_->srcId = %d\n", recvPktRh_->srcId_);
fprintf(stdout, "\tsendPktRh_->srcAdd = %s\n", bitString(recvPktRh_->srcAdd_));
fprintf(stdout, "\tsendPktRh_->forId = %d\n", recvPktRh_->forId_);
fprintf(stdout, "\tsendPktRh_->forAdd = %s\n", bitString(recvPktRh_->forAdd_));
fprintf(stdout, "\tsendPktRh_->dstId = %d\n", recvPktRh_->dstId_);
fprintf(stdout, "\tsendPktRh_->dstAdd = %s\n", bitString(recvPktRh_->dstAdd_));
fprintf(stdout, "\tsendPktRh_->reqId = %d\n", recvPktRh_->reqId_);
fprintf(stdout, "\tsendPktRh_->reqAdd = %s\n", bitString(recvPktRh_->reqAdd_));
#endif
Scheduler::instance().schedule(mdart_->getTarget(), recvPkt, 0.0);
}
void ADP::sendDaup() {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::sendDaup()\t\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
// printDHT();
#endif
nsaddr_t dstAdd_ = ::hash(mdart_->id_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tsending daup for node %s\n", bitString(dstAdd_));
mdart_->routingTable_->print();
#endif
if (dstAdd_ == mdart_->address_) {
addEntry(mdart_->id_, mdart_->address_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tDAUP received\n");
#endif
return;
}
if (mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) {
bitset<ADDR_SIZE> oldAdd_ (dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\told dstAdd_ = %s\n", bitString(dstAdd_));
#endif
int i = 0;
while ((mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) && (i < ADDR_SIZE)) {
oldAdd_.reset(i);
dstAdd_ = (nsaddr_t) oldAdd_.to_ulong();
// fprintf(stdout, "\ttemp dstAdd_ = %s\n", bitString(dstAdd_));
i++;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\tnew dstAdd_ = %s\n", bitString(dstAdd_));
#endif
if (mdart_->routingTable_->DAGetEntry(dstAdd_) == (nsaddr_t)IP_BROADCAST) {
addEntry(mdart_->id_, mdart_->address_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tDAUP DROP_RTR_ADPNRT\n");
#endif
return;
}
}
nsaddr_t nextHop_ = mdart_->routingTable_->DAGetEntry(dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tselected nextHop_ = %d\n", nextHop_);
#endif
Packet *sendPkt_ = Packet::alloc();
struct hdr_cmn *sendPktCh_ = HDR_CMN(sendPkt_);
struct hdr_ip *sendPktIh_ = HDR_IP(sendPkt_);
struct hdr_mdart_daup *sendPktRh_ = HDR_MDART_DAUP(sendPkt_);
sendPktCh_->ptype() = PT_MDART;
sendPktCh_->size() = IP_HDR_LEN + mdart_->size();
sendPktCh_->iface() = -2;
sendPktCh_->error() = 0;
sendPktCh_->addr_type() = NS_AF_NONE;
sendPktCh_->next_hop() = nextHop_;
sendPktIh_->saddr() = mdart_->id_;
sendPktIh_->daddr() = nextHop_;
sendPktIh_->sport() = RT_PORT;
sendPktIh_->dport() = RT_PORT;
sendPktIh_->ttl_ = IP_DEF_TTL;
sendPktRh_->type_ = MDART_TYPE_DAUP;
sendPktRh_->srcId_ = mdart_->id_;
sendPktRh_->srcAdd_ = mdart_->address_;
sendPktRh_->forId_ = mdart_->id_;
sendPktRh_->forAdd_ = mdart_->address_;
sendPktRh_->dstId_ = IP_BROADCAST;
sendPktRh_->dstAdd_ = dstAdd_;
sendPktRh_->lifetime_ = ADP_DARP_TIMEOUT;
sendPktRh_->seqNum_ = pckSeqNum();
#ifdef DEBUG_ADP
fprintf(stdout, "\tsendPktIh_->saddr = %d\n", sendPktIh_->saddr());
fprintf(stdout, "\tsendPktIh_->daddr = %d\n", sendPktIh_->daddr());
fprintf(stdout, "\tsendPktRh_->srcId_ = %d\n", sendPktRh_->srcId_);
fprintf(stdout, "\tsendPktRh_->srcAdd_ = %s\n", bitString(sendPktRh_->srcAdd_));
fprintf(stdout, "\tsendPktRh_->forId_ = %d\n", sendPktRh_->forId_);
fprintf(stdout, "\tsendPktRh_->forAdd_ = %s\n", bitString(sendPktRh_->forAdd_));
fprintf(stdout, "\tsendPktRh_->dstId_ = %d\n", sendPktRh_->dstId_);
fprintf(stdout, "\tsendPktRh_->dstAdd_ = %s\n", bitString(sendPktRh_->dstAdd_));
#endif
Scheduler::instance().schedule(mdart_->getTarget(), sendPkt_, 0.0);
}
void ADP::recvDaup(Packet* recvPkt) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tADP::recvDaup()\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
// printDHT();
#endif
struct hdr_cmn *recvPktCh_ = HDR_CMN(recvPkt);
struct hdr_ip *recvPktIh_ = HDR_IP(recvPkt);
struct hdr_mdart_daup *recvPktRh_ = HDR_MDART_DAUP(recvPkt);
bool changeAdd_ = false;
#ifdef DEBUG_ADP
fprintf(stdout, "\treceveing daup for node %s\n", bitString(recvPktRh_->dstAdd_));
mdart_->routingTable_->print();
#endif
#ifdef ADP_DAXX_CACHING
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
addEntry(recvPktRh_->forId_, recvPktRh_->forAdd_);
#endif
if (recvPktRh_->dstAdd_ == mdart_->address_) {
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tDAUP received\n");
#endif
Packet::free(recvPkt);
return;
}
if (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST) {
changeAdd_ = true;
bitset<ADDR_SIZE> oldAdd_ (recvPktRh_->dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\told dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
#endif
int i = 0;
while (((mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == recvPktRh_->forId_) || (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST)) && (i < ADDR_SIZE)) {
oldAdd_.reset(i);
recvPktRh_->dstAdd_ = (nsaddr_t) oldAdd_.to_ulong();
i++;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\tnew dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
#endif
if (mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_) == (nsaddr_t)IP_BROADCAST) {
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tDAUP DROP_RTR_ADPNRT\n");
#endif
mdart_->drop(recvPkt, "DROP_RTR_ADPNRT");
return;
}
}
nsaddr_t nextHop_ = mdart_->routingTable_->DAGetEntry(recvPktRh_->dstAdd_);
if (nextHop_ == recvPktRh_->forId_ && !changeAdd_) {
addEntry(recvPktRh_->srcId_, recvPktRh_->srcAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\tDAUP DROP_RTR_ADPLOOP\n");
#endif
mdart_->drop(recvPkt, "DROP_RTR_ADPLOOP");
return;
}
#ifdef DEBUG_ADP
fprintf(stdout, "\t\tselected nextHop_ = %d\n", nextHop_);
#endif
recvPktCh_->direction() = hdr_cmn::DOWN;
recvPktCh_->next_hop() = nextHop_;
recvPktIh_->daddr() = nextHop_;
recvPktRh_->forId_ = mdart_->id_;
recvPktRh_->forAdd_ = mdart_->address_;
recvPktRh_->dstId_ = findId(recvPktRh_->dstAdd_);
#ifdef DEBUG_ADP
fprintf(stdout, "\trecvPktIh_->saddr = %d\n", recvPktIh_->saddr());
fprintf(stdout, "\trecvPktIh_->daddr = %d\n", recvPktIh_->daddr());
fprintf(stdout, "\trecvPktRh_->srcId_ = %d\n", recvPktRh_->srcId_);
fprintf(stdout, "\trecvPktRh_->srcAdd_ = %s\n", bitString(recvPktRh_->srcAdd_));
fprintf(stdout, "\trecvPktRh_->forId_ = %d\n", recvPktRh_->forId_);
fprintf(stdout, "\trecvPktRh_->forAdd_ = %s\n", bitString(recvPktRh_->forAdd_));
fprintf(stdout, "\trecvPktRh_->dstId_ = %d\n", recvPktRh_->dstId_);
fprintf(stdout, "\trecvPktRh_->dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
#endif
Scheduler::instance().schedule(mdart_->getTarget(), recvPkt, 0.0);
}
void ADP::sendDabr() {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::sendDabr()\t\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
printDHT();
#endif
Packet *sendPkt_ = Packet::alloc();
struct hdr_cmn *sendPktCh_ = HDR_CMN(sendPkt_);
struct hdr_ip *sendPktIh_ = HDR_IP(sendPkt_);
struct hdr_mdart_dabr *sendPktRh_ = HDR_MDART_DABR(sendPkt_);
sendPktCh_->ptype() = PT_MDART;
sendPktCh_->size() = IP_HDR_LEN + mdart_->size();
sendPktCh_->iface() = -2;
sendPktCh_->error() = 0;
sendPktCh_->addr_type() = NS_AF_NONE;
sendPktCh_->next_hop() = IP_BROADCAST;
sendPktIh_->saddr() = mdart_->id_;
sendPktIh_->daddr() = IP_BROADCAST;
sendPktIh_->sport() = RT_PORT;
sendPktIh_->dport() = RT_PORT;
sendPktIh_->ttl_ = IP_DEF_TTL;
sendPktRh_->type_ = MDART_TYPE_DABR;
sendPktRh_->srcId_ = mdart_->id_;
sendPktRh_->srcAdd_ = mdart_->address_;
sendPktRh_->dstAdd_ = DATYPE_BROADCAST;
#ifdef DEBUG_ADP
fprintf(stdout, "\tsendPktIh_->saddr = %d\n", sendPktIh_->saddr());
fprintf(stdout, "\tsendPktIh_->daddr = %d\n", sendPktIh_->daddr());
fprintf(stdout, "\tsendPktRh_->srcId_ = %d\n", sendPktRh_->srcId_);
fprintf(stdout, "\tsendPktRh_->srcAdd_ = %s\n", bitString(sendPktRh_->srcAdd_));
fprintf(stdout, "\tsendPktRh_->dstAdd_ = %s\n", bitString(sendPktRh_->dstAdd_));
#endif
PacketData* data_ = dht_->getDHTUpdate();
int size_ = data_->size();
sendPkt_->setdata(data_);
sendPktCh_->size() = IP_HDR_LEN + size_ + 2 + mdart_->size();
Scheduler::instance().schedule(mdart_->getTarget(), sendPkt_, 0.0);
}
void ADP::recvDabr(Packet* recvPkt) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tMDART::recvDabr()\t\t\t\tin node %d\twith address %s\n", CURRENT_TIME, mdart_->id_, bitString(mdart_->address_));
printDHT();
#endif
#ifdef DEBUG_ADP
struct hdr_mdart_dabr *recvPktRh_ = HDR_MDART_DABR(recvPkt);
struct hdr_ip *recvPktIh_ = HDR_IP(recvPkt);
fprintf(stdout, "\trecvPktIh_->saddr = %d\n", recvPktIh_->saddr());
fprintf(stdout, "\trecvPktIh_->daddr = %d\n", recvPktIh_->daddr());
fprintf(stdout, "\trecvPktRh_->srcId_ = %d\n", recvPktRh_->srcId_);
fprintf(stdout, "\trecvPktRh_->srcAdd_ = %s\n", bitString(recvPktRh_->srcAdd_));
fprintf(stdout, "\trecvPktRh_->dstAdd_ = %s\n", bitString(recvPktRh_->dstAdd_));
fprintf(stdout, "\trecvPktRh_->data = %s\n", ((PacketData*)recvPkt->userdata())->data());
fprintf(stdout, "\trecvPktRh_->data length = %d\n", ((PacketData*)recvPkt->userdata())->size());
#endif
ostringstream strStream_;
strStream_ << ((PacketData*)recvPkt->userdata())->data();
string str_ = strStream_.str();
string::size_type lastPos_ = str_.find_first_not_of(";", 0);
string::size_type pos_ = str_.find_first_of(";", lastPos_);
while (string::npos != pos_ || string::npos != lastPos_) {
string entry_ = str_.substr(lastPos_, pos_ - lastPos_);
string::size_type idLastPos_ = entry_.find_first_not_of(",", 0);
string::size_type idPos_ = entry_.find_first_of(",", idLastPos_);
nsaddr_t id_ = atoi(entry_.substr(idLastPos_, idPos_ - idLastPos_).c_str());
string::size_type addressLastPos_ = entry_.find_first_not_of(",", idPos_);
string::size_type addressPos_ = entry_.find_first_of(",", addressLastPos_);
nsaddr_t address_ = atoi(entry_.substr(addressLastPos_, addressPos_ - addressLastPos_).c_str());
string::size_type expireLastPos_ = entry_.find_first_not_of(",", addressPos_);
string::size_type expirePos_ = entry_.find_first_of(",", expireLastPos_);
double expire_ = (atof(entry_.substr(expireLastPos_, expirePos_ - expireLastPos_).c_str()));
#ifdef DEBUG_DHT
fprintf(stdout, "\tid %d\taddress %d\texpire %f\n", id_, address_, expire_);
#endif
addEntry(id_, address_, expire_);
lastPos_ = str_.find_first_not_of(";", pos_);
pos_ = str_.find_first_of(";", lastPos_);
}
Packet::free(recvPkt);
#ifdef DEBUG_ADP
printDHT();
#endif
}
//------------------------------------------------------------------------------
// ADP DHT functions
//------------------------------------------------------------------------------
void ADP::addEntry(nsaddr_t id, nsaddr_t address) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tADP::addEntry(%d, %s)\t\tin node %d\twith address %s\n", CURRENT_TIME, id, bitString(address), mdart_->id_, bitString(mdart_->address_));
#endif
dht_->addEntry(id, address);
Packet* p;
#ifdef DEBUG_ADP
fprintf(stdout,"\tlooking for packet to %d\n", id);
atr_->queue_->printQueue();
#endif
while( (p = mdart_->queue_->deque(id)) ) {
#ifdef DEBUG_ADP
fprintf(stdout,"\tsending data packet for node %d\n", id);
#endif
nsaddr_t addr_ = findAdd(id);
struct hdr_mdart_encp* rh_ = HDR_MDART_ENCP(p);
rh_->dstAdd_ = addr_;
mdart_->forward(p);
}
}
void ADP::addEntry(nsaddr_t id, nsaddr_t address, double expire) {
#ifdef DEBUG_ADP
fprintf(stdout, "%.9f\tADP::addEntry(%d, %s, %f)\t\tin node %d\twith address %s\n", CURRENT_TIME, id, bitString(address), expire, mdart_->id_, bitString(mdart_->address_));
#endif
dht_->addEntry(id, address, expire);
Packet* p;
#ifdef DEBUG_ADP
fprintf(stdout,"\tlooking for packet to %d\n", id);
mdart_->queue_->printQueue();
#endif
while( (p = mdart_->queue_->deque(id)) ) {
#ifdef DEBUG_ADP
fprintf(stdout,"\tsending data packet for node %d\n", id);
#endif
nsaddr_t addr_ = findAdd(id);
struct hdr_mdart_encp* rh_ = HDR_MDART_ENCP(p);
rh_->dstAdd_ = addr_;
mdart_->forward(p);
}
}
|