| 1 |
#include "resiprocate/SdpContents.hxx" |
| 2 |
#include "resiprocate/SipMessage.hxx" |
| 3 |
#include "resiprocate/dum/Dialog.hxx" |
| 4 |
#include "resiprocate/dum/DialogUsageManager.hxx" |
| 5 |
#include "resiprocate/dum/InviteSession.hxx" |
| 6 |
#include "resiprocate/dum/InviteSessionHandler.hxx" |
| 7 |
#include "resiprocate/dum/Profile.hxx" |
| 8 |
#include "resiprocate/dum/UsageUseException.hxx" |
| 9 |
#include "resiprocate/os/Logger.hxx" |
| 10 |
|
| 11 |
#if defined(WIN32) && defined(_DEBUG) &&defined(LEAK_CHECK)// Used for tracking down memory leaks in Visual Studio |
| 12 |
#define _CRTDBG_MAP_ALLOC |
| 13 |
#include <stdlib.h> |
| 14 |
#include <crtdbg.h> |
| 15 |
#define new new( _NORMAL_BLOCK, __FILE__, __LINE__) |
| 16 |
#endif // defined(WIN32) && defined(_DEBUG) |
| 17 |
|
| 18 |
|
| 19 |
#define RESIPROCATE_SUBSYSTEM Subsystem::DUM |
| 20 |
|
| 21 |
using namespace resip; |
| 22 |
|
| 23 |
unsigned long |
| 24 |
InviteSession::T1 = 500; |
| 25 |
|
| 26 |
unsigned long |
| 27 |
InviteSession::T2 = 8 * T1; |
| 28 |
|
| 29 |
unsigned long |
| 30 |
InviteSession::TimerH = 64 * T1; |
| 31 |
|
| 32 |
InviteSession::InviteSession(DialogUsageManager& dum, Dialog& dialog, State initialState) |
| 33 |
: DialogUsage(dum, dialog), |
| 34 |
mState(initialState), |
| 35 |
mOfferState(Nothing), |
| 36 |
mCurrentLocalSdp(0), |
| 37 |
mCurrentRemoteSdp(0), |
| 38 |
mProposedLocalSdp(0), |
| 39 |
mProposedRemoteSdp(0), |
| 40 |
mNextOfferOrAnswerSdp(0), |
| 41 |
mDestroyer(this), |
| 42 |
mCurrentRetransmit200(0) |
| 43 |
{ |
| 44 |
DebugLog ( << "^^^ InviteSession::InviteSession " << this); |
| 45 |
assert(mDum.mInviteSessionHandler); |
| 46 |
} |
| 47 |
|
| 48 |
InviteSession::~InviteSession() |
| 49 |
{ |
| 50 |
DebugLog ( << "^^^ InviteSession::~InviteSession " << this); |
| 51 |
delete mCurrentLocalSdp; |
| 52 |
delete mCurrentRemoteSdp; |
| 53 |
delete mProposedLocalSdp; |
| 54 |
delete mProposedRemoteSdp; |
| 55 |
delete mNextOfferOrAnswerSdp; |
| 56 |
mDialog.mInviteSession = 0; |
| 57 |
} |
| 58 |
|
| 59 |
SipMessage& |
| 60 |
InviteSession::modifySession() |
| 61 |
{ |
| 62 |
if (mNextOfferOrAnswerSdp == 0 || mState != Connected) |
| 63 |
{ |
| 64 |
throw new UsageUseException("Must be in the connected state and have propsed an offer to call modifySession", |
| 65 |
__FILE__, __LINE__); |
| 66 |
} |
| 67 |
mState = ReInviting; |
| 68 |
mDialog.makeRequest(mLastRequest, INVITE); |
| 69 |
return mLastRequest; |
| 70 |
} |
| 71 |
|
| 72 |
|
| 73 |
SipMessage& |
| 74 |
InviteSession::acceptOffer(int statusCode) |
| 75 |
{ |
| 76 |
if (mNextOfferOrAnswerSdp == 0 || mState != ReInviting) |
| 77 |
{ |
| 78 |
throw new UsageUseException("Must be in the ReInviting state and have propsed an answer to call answerModifySession", |
| 79 |
__FILE__, __LINE__); |
| 80 |
} |
| 81 |
mState = AcceptingReInvite; |
| 82 |
mDialog.makeResponse(mFinalResponse, mLastRequest, statusCode); |
| 83 |
return mFinalResponse; |
| 84 |
} |
| 85 |
|
| 86 |
void |
| 87 |
InviteSession::setOffer(const SdpContents* sdp) |
| 88 |
{ |
| 89 |
if (mProposedRemoteSdp) |
| 90 |
{ |
| 91 |
throw UsageUseException("Cannot set an offer with an oustanding remote offer", __FILE__, __LINE__); |
| 92 |
} |
| 93 |
assert(mNextOfferOrAnswerSdp == 0); |
| 94 |
mNextOfferOrAnswerSdp = static_cast<SdpContents*>(sdp->clone()); |
| 95 |
} |
| 96 |
|
| 97 |
void |
| 98 |
InviteSession::setAnswer(const SdpContents* sdp) |
| 99 |
{ |
| 100 |
if (mProposedLocalSdp ) |
| 101 |
{ |
| 102 |
throw UsageUseException("Cannot set an answer with an oustanding offer", __FILE__, __LINE__); |
| 103 |
} |
| 104 |
assert(mNextOfferOrAnswerSdp == 0); |
| 105 |
mNextOfferOrAnswerSdp = static_cast<SdpContents*>(sdp->clone()); |
| 106 |
} |
| 107 |
|
| 108 |
const SdpContents* |
| 109 |
InviteSession::getLocalSdp() |
| 110 |
{ |
| 111 |
return mCurrentLocalSdp; |
| 112 |
} |
| 113 |
|
| 114 |
const SdpContents* |
| 115 |
InviteSession::getRemoteSdp() |
| 116 |
{ |
| 117 |
return mCurrentRemoteSdp; |
| 118 |
} |
| 119 |
|
| 120 |
InviteSessionHandle |
| 121 |
InviteSession::getSessionHandle() |
| 122 |
{ |
| 123 |
return InviteSessionHandle(mDum, getBaseHandle().getId()); |
| 124 |
} |
| 125 |
|
| 126 |
|
| 127 |
void |
| 128 |
InviteSession::dispatch(const DumTimeout& timeout) |
| 129 |
{ |
| 130 |
Destroyer::Guard guard(mDestroyer); |
| 131 |
if (timeout.type() == DumTimeout::Retransmit200 && (mState == Accepting || mState == AcceptingReInvite )) |
| 132 |
{ |
| 133 |
mDum.send(mFinalResponse); |
| 134 |
mDum.addTimerMs(DumTimeout::Retransmit200, resipMin(T2, mCurrentRetransmit200*2), getBaseHandle(), 0); |
| 135 |
} |
| 136 |
else if (timeout.type() == DumTimeout::WaitForAck && mState != Connected) |
| 137 |
{ |
| 138 |
mDialog.makeResponse(mLastResponse, mLastRequest, 408); |
| 139 |
mDum.mInviteSessionHandler->onTerminated(getSessionHandle(), mLastResponse); |
| 140 |
guard.destroy(); |
| 141 |
} |
| 142 |
} |
| 143 |
|
| 144 |
void |
| 145 |
InviteSession::dispatch(const SipMessage& msg) |
| 146 |
{ |
| 147 |
Destroyer::Guard guard(mDestroyer); |
| 148 |
std::pair<OfferAnswerType, const SdpContents*> offans; |
| 149 |
offans = InviteSession::getOfferOrAnswer(msg); |
| 150 |
|
| 151 |
switch(mState) |
| 152 |
{ |
| 153 |
case Terminated: |
| 154 |
//!dcm! -- 481 behaviour here, should pretty much die on anything |
| 155 |
//eventually 200 to BYE could be handled further out |
| 156 |
if (msg.isResponse()) |
| 157 |
{ |
| 158 |
int code = msg.header(h_StatusLine).statusCode(); |
| 159 |
if ((code == 200 && msg.header(h_CSeq).method() == BYE) || code > 399) |
| 160 |
{ |
| 161 |
mDum.mInviteSessionHandler->onTerminated(getSessionHandle(), msg); |
| 162 |
guard.destroy(); |
| 163 |
return; |
| 164 |
} |
| 165 |
} |
| 166 |
else |
| 167 |
{ |
| 168 |
//make a function to do this & the occurences of this in DialogUsageManager |
| 169 |
SipMessage failure; |
| 170 |
mDum.makeResponse(failure, msg, 481); |
| 171 |
failure.header(h_AcceptLanguages) = mDum.mProfile->getSupportedLanguages(); |
| 172 |
mDum.sendResponse(failure); |
| 173 |
} |
| 174 |
break; |
| 175 |
case Connected: |
| 176 |
if (msg.isRequest()) |
| 177 |
{ |
| 178 |
switch(msg.header(h_RequestLine).method()) |
| 179 |
{ |
| 180 |
// reINVITE |
| 181 |
case INVITE: |
| 182 |
mState = ReInviting; |
| 183 |
mDialog.update(msg); |
| 184 |
mLastRequest = msg; // !slg! |
| 185 |
mDum.mInviteSessionHandler->onDialogModified(getSessionHandle(), msg); |
| 186 |
if (offans.first != None) |
| 187 |
{ |
| 188 |
incomingSdp(msg, offans.second); |
| 189 |
} |
| 190 |
break; |
| 191 |
|
| 192 |
case BYE: |
| 193 |
mState = Terminated; |
| 194 |
mDum.mInviteSessionHandler->onTerminated(getSessionHandle(), msg); |
| 195 |
mDialog.makeResponse(mLastResponse, msg, 200); |
| 196 |
send(mLastResponse); |
| 197 |
break; |
| 198 |
|
| 199 |
case UPDATE: |
| 200 |
assert(0); |
| 201 |
break; |
| 202 |
|
| 203 |
case INFO: |
| 204 |
mDum.mInviteSessionHandler->onInfo(getSessionHandle(), msg); |
| 205 |
break; |
| 206 |
|
| 207 |
case REFER: |
| 208 |
//handled in Dialog |
| 209 |
assert(0); |
| 210 |
break; |
| 211 |
|
| 212 |
default: |
| 213 |
InfoLog (<< "Ignoring request in an INVITE dialog: " << msg.brief()); |
| 214 |
break; |
| 215 |
} |
| 216 |
} |
| 217 |
else |
| 218 |
{ |
| 219 |
//!dcm! -- need to change this logic for when we don't have an ACK yet |
| 220 |
if ( msg.header(h_StatusLine).statusCode() == 200) |
| 221 |
{ |
| 222 |
//retransmist ack |
| 223 |
mDum.send(mAck); |
| 224 |
} |
| 225 |
} |
| 226 |
break; |
| 227 |
case ReInviting: |
| 228 |
if (msg.isResponse() && msg.header(h_CSeq).method() == INVITE) |
| 229 |
{ |
| 230 |
int code = msg.header(h_StatusLine).statusCode(); |
| 231 |
if (code >=200 && code < 300) |
| 232 |
{ |
| 233 |
mState = Connected; |
| 234 |
send(ackConnection()); |
| 235 |
if (offans.first != None) |
| 236 |
{ |
| 237 |
incomingSdp(msg, offans.second); |
| 238 |
} |
| 239 |
else |
| 240 |
{ |
| 241 |
//reset the sdp state machine |
| 242 |
incomingSdp(msg, 0); |
| 243 |
} |
| 244 |
} |
| 245 |
else |
| 246 |
{ |
| 247 |
mDum.mInviteSessionHandler->onOfferRejected(getSessionHandle(), msg); |
| 248 |
mState = Connected; |
| 249 |
} |
| 250 |
} |
| 251 |
else |
| 252 |
{ |
| 253 |
ErrLog ( << "Spurious message sent to UAS " << msg ); |
| 254 |
return; |
| 255 |
} |
| 256 |
break; |
| 257 |
case Accepting: |
| 258 |
if (msg.isRequest() && msg.header(h_RequestLine).method() == ACK) |
| 259 |
{ |
| 260 |
mState = Connected; |
| 261 |
mDum.mInviteSessionHandler->onConnected(getSessionHandle(), msg); |
| 262 |
if (offans.first != None) |
| 263 |
{ |
| 264 |
InviteSession::incomingSdp(msg, offans.second); |
| 265 |
} |
| 266 |
} |
| 267 |
else |
| 268 |
{ |
| 269 |
ErrLog ( << "Spurious message sent to UAS " << msg ); |
| 270 |
return; |
| 271 |
} |
| 272 |
break; |
| 273 |
case AcceptingReInvite: |
| 274 |
if (msg.isRequest() && msg.header(h_RequestLine).method() == ACK) |
| 275 |
{ |
| 276 |
mState = Connected; |
| 277 |
//this shouldn't happen, but it may be allowed(DUM API doesn't |
| 278 |
//support this for re-invite) |
| 279 |
if (offans.first != None) |
| 280 |
{ |
| 281 |
InviteSession::incomingSdp(msg, offans.second); |
| 282 |
} |
| 283 |
} |
| 284 |
else |
| 285 |
{ |
| 286 |
ErrLog ( << "Spurious message sent to UAS " << msg ); |
| 287 |
return; |
| 288 |
} |
| 289 |
break; |
| 290 |
|
| 291 |
|
| 292 |
default: |
| 293 |
DebugLog ( << "Throwing away strange message: " << msg ); |
| 294 |
//throw message away |
| 295 |
// assert(0); //all other cases should be handled in base classes |
| 296 |
|
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
SipMessage& |
| 301 |
InviteSession::makeRefer(const NameAddr& referTo) |
| 302 |
{ |
| 303 |
mDialog.makeRequest(mLastRequest, REFER); |
| 304 |
mLastRequest.header(h_ReferTo) = referTo; |
| 305 |
return mLastRequest; |
| 306 |
} |
| 307 |
|
| 308 |
SipMessage& |
| 309 |
InviteSession::makeRefer(const NameAddr& referTo, InviteSessionHandle sessionToReplace) |
| 310 |
{ |
| 311 |
if (!sessionToReplace.isValid()) |
| 312 |
{ |
| 313 |
throw new UsageUseException("Attempted to make a refer w/ and invalid replacement target", __FILE__, __LINE__); |
| 314 |
} |
| 315 |
|
| 316 |
mDialog.makeRequest(mLastRequest, REFER); |
| 317 |
mLastRequest.header(h_ReferTo) = referTo; |
| 318 |
CallId replaces; |
| 319 |
DialogId id = sessionToReplace->mDialog.getId(); |
| 320 |
replaces.value() = id.getCallId(); |
| 321 |
replaces.param(p_toTag) = id.getRemoteTag(); |
| 322 |
replaces.param(p_fromTag) = id.getLocalTag(); |
| 323 |
|
| 324 |
mLastRequest.header(h_ReferTo).uri().embedded().header(h_Replaces) = replaces; |
| 325 |
return mLastRequest; |
| 326 |
} |
| 327 |
|
| 328 |
SipMessage& |
| 329 |
InviteSession::end() |
| 330 |
{ |
| 331 |
InfoLog ( << "InviteSession::end, state: " << mState); |
| 332 |
switch (mState) |
| 333 |
{ |
| 334 |
case Terminated: |
| 335 |
throw UsageUseException("Cannot end a session that has already been cancelled.", __FILE__, __LINE__); |
| 336 |
break; |
| 337 |
case Connected: |
| 338 |
case Accepting: |
| 339 |
InfoLog ( << "InviteSession::end, connected or Accepting" ); |
| 340 |
mDialog.makeRequest(mLastRequest, BYE); |
| 341 |
//new transaction |
| 342 |
assert(mLastRequest.header(h_Vias).size() == 1); |
| 343 |
// mLastRequest.header(h_Vias).front().param(p_branch).reset(); |
| 344 |
mState = Terminated; |
| 345 |
return mLastRequest; |
| 346 |
break; |
| 347 |
default: |
| 348 |
assert(0); // out of states |
| 349 |
} |
| 350 |
throw UsageUseException("Programmer error", __FILE__, __LINE__); //make VC++ happy |
| 351 |
} |
| 352 |
|
| 353 |
// If sdp==0, it means the last offer failed |
| 354 |
// !dcm! -- eventually handle confused UA's that send offers/answers at |
| 355 |
// inappropriate times, probably with a different callback |
| 356 |
void |
| 357 |
InviteSession::incomingSdp(const SipMessage& msg, const SdpContents* sdp) |
| 358 |
{ |
| 359 |
switch (mOfferState) |
| 360 |
{ |
| 361 |
case Nothing: |
| 362 |
assert(mCurrentLocalSdp == 0); |
| 363 |
assert(mCurrentRemoteSdp == 0); |
| 364 |
assert(mProposedLocalSdp == 0); |
| 365 |
assert(mProposedRemoteSdp == 0); |
| 366 |
mProposedRemoteSdp = static_cast<SdpContents*>(sdp->clone()); |
| 367 |
mOfferState = Offerred; |
| 368 |
mDum.mInviteSessionHandler->onOffer(getSessionHandle(), msg, sdp); |
| 369 |
break; |
| 370 |
|
| 371 |
case Offerred: |
| 372 |
assert(mCurrentLocalSdp == 0); |
| 373 |
assert(mCurrentRemoteSdp == 0); |
| 374 |
mCurrentLocalSdp = mProposedLocalSdp; |
| 375 |
mCurrentRemoteSdp = static_cast<SdpContents*>(sdp->clone()); |
| 376 |
delete mProposedRemoteSdp; |
| 377 |
mProposedLocalSdp = 0; |
| 378 |
mProposedRemoteSdp = 0; |
| 379 |
mOfferState = Answered; |
| 380 |
mDum.mInviteSessionHandler->onAnswer(getSessionHandle(), msg, sdp); |
| 381 |
break; |
| 382 |
|
| 383 |
case Answered: |
| 384 |
assert(mProposedLocalSdp == 0); |
| 385 |
assert(mProposedRemoteSdp == 0); |
| 386 |
mProposedRemoteSdp = static_cast<SdpContents*>(sdp->clone()); |
| 387 |
mOfferState = CounterOfferred; |
| 388 |
mDum.mInviteSessionHandler->onOffer(getSessionHandle(), msg, sdp); |
| 389 |
break; |
| 390 |
|
| 391 |
case CounterOfferred: |
| 392 |
assert(mCurrentLocalSdp); |
| 393 |
assert(mCurrentRemoteSdp); |
| 394 |
mOfferState = Answered; |
| 395 |
if (sdp) // !slg! There currenlty doesn't seem to be anyone calling this with sdp == 0 |
| 396 |
{ |
| 397 |
delete mCurrentLocalSdp; |
| 398 |
delete mCurrentRemoteSdp; |
| 399 |
mCurrentLocalSdp = mProposedLocalSdp; |
| 400 |
mCurrentRemoteSdp = static_cast<SdpContents*>(sdp->clone()); |
| 401 |
delete mProposedRemoteSdp; |
| 402 |
mProposedLocalSdp = 0; |
| 403 |
mProposedRemoteSdp = 0; |
| 404 |
mOfferState = Answered; |
| 405 |
mDum.mInviteSessionHandler->onAnswer(getSessionHandle(), msg, sdp); |
| 406 |
} |
| 407 |
else |
| 408 |
{ |
| 409 |
delete mProposedLocalSdp; |
| 410 |
delete mProposedRemoteSdp; |
| 411 |
mProposedLocalSdp = 0; |
| 412 |
mProposedRemoteSdp = 0; |
| 413 |
// !jf! is this right? |
| 414 |
mDum.mInviteSessionHandler->onOfferRejected(getSessionHandle(), msg); |
| 415 |
} |
| 416 |
break; |
| 417 |
} |
| 418 |
} |
| 419 |
|
| 420 |
void |
| 421 |
InviteSession::send(SipMessage& msg) |
| 422 |
{ |
| 423 |
Destroyer::Guard guard(mDestroyer); |
| 424 |
if (msg.isRequest()) |
| 425 |
{ |
| 426 |
//unless the message is an ACK(in which case it is mAck) |
| 427 |
//strip out the SDP after sending |
| 428 |
switch(msg.header(h_RequestLine).getMethod()) |
| 429 |
{ |
| 430 |
case INVITE: |
| 431 |
case UPDATE: |
| 432 |
if (mNextOfferOrAnswerSdp) |
| 433 |
{ |
| 434 |
msg.setContents(mNextOfferOrAnswerSdp); |
| 435 |
sendSdp(mNextOfferOrAnswerSdp); |
| 436 |
mNextOfferOrAnswerSdp = 0; |
| 437 |
} |
| 438 |
break; |
| 439 |
default: |
| 440 |
break; |
| 441 |
} |
| 442 |
|
| 443 |
if (msg.header(h_RequestLine).getMethod() == ACK) |
| 444 |
{ |
| 445 |
mDum.send(msg); |
| 446 |
} |
| 447 |
else |
| 448 |
{ |
| 449 |
mDum.send(msg); |
| 450 |
msg.releaseContents(); |
| 451 |
} |
| 452 |
} |
| 453 |
else |
| 454 |
{ |
| 455 |
int code = msg.header(h_StatusLine).statusCode(); |
| 456 |
//!dcm! -- probably kill this object earlier, handle 200 to bye in |
| 457 |
//DialogUsageManager...very soon |
| 458 |
if (msg.header(h_CSeq).method() == BYE && code == 200) //!dcm! -- not 2xx? |
| 459 |
|
| 460 |
{ |
| 461 |
mState = Terminated; |
| 462 |
mDum.send(msg); |
| 463 |
//mDum.mInviteSessionHandler->onTerminated(getSessionHandle(), msg); // This is actually called when recieving the BYE message so that the BYE message can be passed to onTerminated |
| 464 |
guard.destroy(); |
| 465 |
} |
| 466 |
else if (code >= 200 && code < 300 && msg.header(h_CSeq).method() == INVITE) |
| 467 |
{ |
| 468 |
assert(&msg == &mFinalResponse); |
| 469 |
mCurrentRetransmit200 = T1; |
| 470 |
mDum.addTimerMs(DumTimeout::Retransmit200, mCurrentRetransmit200, getBaseHandle(), 0); |
| 471 |
mDum.addTimerMs(DumTimeout::WaitForAck, TimerH, getBaseHandle(), 0); |
| 472 |
|
| 473 |
//!dcm! -- this should be mFinalResponse...maybe assign here in |
| 474 |
//case the user wants to be very strange |
| 475 |
if (mNextOfferOrAnswerSdp) |
| 476 |
{ |
| 477 |
msg.setContents(mNextOfferOrAnswerSdp); |
| 478 |
sendSdp(mNextOfferOrAnswerSdp); |
| 479 |
mNextOfferOrAnswerSdp = 0; |
| 480 |
} |
| 481 |
mDum.send(msg); |
| 482 |
} |
| 483 |
else |
| 484 |
{ |
| 485 |
mDum.send(msg); |
| 486 |
msg.releaseContents(); |
| 487 |
} |
| 488 |
} |
| 489 |
} |
| 490 |
|
| 491 |
void |
| 492 |
InviteSession::sendSdp(SdpContents* sdp) |
| 493 |
{ |
| 494 |
switch (mOfferState) |
| 495 |
{ |
| 496 |
case Nothing: |
| 497 |
assert(mCurrentLocalSdp == 0); |
| 498 |
assert(mCurrentRemoteSdp == 0); |
| 499 |
mProposedLocalSdp = sdp; |
| 500 |
mOfferState = Offerred; |
| 501 |
break; |
| 502 |
|
| 503 |
case Offerred: |
| 504 |
assert(mCurrentLocalSdp == 0); |
| 505 |
assert(mCurrentRemoteSdp == 0); |
| 506 |
mCurrentLocalSdp = sdp; |
| 507 |
mCurrentRemoteSdp = mProposedRemoteSdp; |
| 508 |
delete mProposedLocalSdp; |
| 509 |
mProposedLocalSdp = 0; |
| 510 |
mProposedRemoteSdp = 0; |
| 511 |
mOfferState = Answered; |
| 512 |
break; |
| 513 |
|
| 514 |
case Answered: |
| 515 |
assert(mProposedLocalSdp == 0); |
| 516 |
assert(mProposedRemoteSdp == 0); |
| 517 |
mProposedLocalSdp = sdp; |
| 518 |
mOfferState = CounterOfferred; |
| 519 |
break; |
| 520 |
|
| 521 |
case CounterOfferred: |
| 522 |
assert(mCurrentLocalSdp); |
| 523 |
assert(mCurrentRemoteSdp); |
| 524 |
if (sdp) // !slg! There currenlty doesn't seem to be anyone calling this with sdp == 0 |
| 525 |
{ |
| 526 |
delete mCurrentLocalSdp; |
| 527 |
delete mCurrentRemoteSdp; |
| 528 |
mCurrentLocalSdp = sdp; |
| 529 |
mCurrentRemoteSdp = mProposedRemoteSdp; |
| 530 |
delete mProposedLocalSdp; |
| 531 |
mProposedLocalSdp = 0; |
| 532 |
mProposedRemoteSdp = 0; |
| 533 |
} |
| 534 |
else |
| 535 |
{ |
| 536 |
delete mProposedLocalSdp; |
| 537 |
delete mProposedRemoteSdp; |
| 538 |
mProposedLocalSdp = 0; |
| 539 |
mProposedRemoteSdp = 0; |
| 540 |
} |
| 541 |
mOfferState = Answered; |
| 542 |
break; |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
std::pair<InviteSession::OfferAnswerType, const SdpContents*> |
| 547 |
InviteSession::getOfferOrAnswer(const SipMessage& msg) const |
| 548 |
{ |
| 549 |
std::pair<InviteSession::OfferAnswerType, const SdpContents*> ret; |
| 550 |
ret.first = None; |
| 551 |
|
| 552 |
const SdpContents* contents = dynamic_cast<const SdpContents*>(msg.getContents()); |
| 553 |
if (contents) |
| 554 |
{ |
| 555 |
static Token c100rel(Symbols::C100rel); |
| 556 |
if (msg.isRequest() || msg.header(h_StatusLine).responseCode() == 200 || |
| 557 |
msg.exists(h_Supporteds) && msg.header(h_Supporteds).find(c100rel)) |
| 558 |
{ |
| 559 |
switch (mOfferState) |
| 560 |
{ |
| 561 |
case None: |
| 562 |
ret.first = Offer; |
| 563 |
ret.second = contents; |
| 564 |
break; |
| 565 |
|
| 566 |
case Offerred: |
| 567 |
ret.first = Answer; |
| 568 |
ret.second = contents; |
| 569 |
break; |
| 570 |
|
| 571 |
case Answered: |
| 572 |
ret.first = Offer; |
| 573 |
ret.second = contents; |
| 574 |
break; |
| 575 |
|
| 576 |
case CounterOfferred: |
| 577 |
ret.first = Answer; |
| 578 |
ret.second = contents; |
| 579 |
break; |
| 580 |
} |
| 581 |
} |
| 582 |
} |
| 583 |
return ret; |
| 584 |
} |
| 585 |
|
| 586 |
void |
| 587 |
InviteSession::copyAuthorizations(SipMessage& request) |
| 588 |
{ |
| 589 |
#if 0 |
| 590 |
if (mLastRequest.exists(h_ProxyAuthorizations)) |
| 591 |
{ |
| 592 |
// should make the next auth (change nextNonce) |
| 593 |
request.header(h_ProxyAuthorizations) = mLastRequest.header(h_ProxyAuthorizations); |
| 594 |
} |
| 595 |
if (mLastRequest.exists(h_ProxyAuthorizations)) |
| 596 |
{ |
| 597 |
// should make the next auth (change nextNonce) |
| 598 |
request.header(h_ProxyAuthorizations) = mLastRequest.header(h_ProxyAuthorizations); |
| 599 |
} |
| 600 |
#endif |
| 601 |
} |
| 602 |
|
| 603 |
SipMessage& |
| 604 |
InviteSession::rejectOffer(int statusCode) |
| 605 |
{ |
| 606 |
if (statusCode < 400) |
| 607 |
{ |
| 608 |
throw new UsageUseException("Must reject with a 4xx", __FILE__, __LINE__); |
| 609 |
} |
| 610 |
//sdp state change here--go to initial state? |
| 611 |
mDialog.makeResponse(mLastResponse, mLastRequest, statusCode); |
| 612 |
return mLastResponse; |
| 613 |
} |
| 614 |
|
| 615 |
SipMessage& |
| 616 |
InviteSession::targetRefresh(const NameAddr& localUri) |
| 617 |
{ |
| 618 |
assert(0); |
| 619 |
return mLastRequest; |
| 620 |
} |
| 621 |
|
| 622 |
SipMessage& |
| 623 |
InviteSession::ackConnection() |
| 624 |
{ |
| 625 |
//if not a reinvite, and a pending offer exists, throw |
| 626 |
makeAck(); |
| 627 |
//new transaction |
| 628 |
assert(mAck.header(h_Vias).size() == 1); |
| 629 |
// mAck.header(h_Vias).front().param(p_branch).reset(); |
| 630 |
return mAck; |
| 631 |
} |
| 632 |
|
| 633 |
void |
| 634 |
InviteSession::makeAck() |
| 635 |
{ |
| 636 |
mAck = mLastRequest; |
| 637 |
|
| 638 |
InfoLog ( << "InviteSession::makeAck:before: " << mAck ); |
| 639 |
|
| 640 |
mDialog.makeRequest(mAck, ACK); |
| 641 |
if (mNextOfferOrAnswerSdp) |
| 642 |
{ |
| 643 |
mAck.setContents(mNextOfferOrAnswerSdp); |
| 644 |
sendSdp(mNextOfferOrAnswerSdp); |
| 645 |
mNextOfferOrAnswerSdp = 0; |
| 646 |
} |
| 647 |
|
| 648 |
InfoLog ( << "InviteSession::makeAck:after: " << mAck ); |
| 649 |
} |
| 650 |
|
| 651 |
/* ==================================================================== |
| 652 |
* The Vovida Software License, Version 1.0 |
| 653 |
* |
| 654 |
* Copyright (c) 2000 Vovida Networks, Inc. All rights reserved. |
| 655 |
* |
| 656 |
* Redistribution and use in source and binary forms, with or without |
| 657 |
* modification, are permitted provided that the following conditions |
| 658 |
* are met: |
| 659 |
* |
| 660 |
* 1. Redistributions of source code must retain the above copyright |
| 661 |
* notice, this list of conditions and the following disclaimer. |
| 662 |
* |
| 663 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 664 |
* notice, this list of conditions and the following disclaimer in |
| 665 |
* the documentation and/or other materials provided with the |
| 666 |
|
| 667 |
* distribution. |
| 668 |
* |
| 669 |
* 3. The names "VOCAL", "Vovida Open Communication Application Library", |
| 670 |
* and "Vovida Open Communication Application Library (VOCAL)" must |
| 671 |
* not be used to endorse or promote products derived from this |
| 672 |
* software without prior written permission. For written |
| 673 |
* permission, please contact vocal@vovida.org. |
| 674 |
* |
| 675 |
* 4. Products derived from this software may not be called "VOCAL", nor |
| 676 |
* may "VOCAL" appear in their name, without prior written |
| 677 |
* permission of Vovida Networks, Inc. |
| 678 |
* |
| 679 |
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED |
| 680 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 681 |
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND |
| 682 |
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA |
| 683 |
* NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES |
| 684 |
* IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL, |
| 685 |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 686 |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 687 |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 688 |
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 689 |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 690 |
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| 691 |
* DAMAGE. |
| 692 |
* |
| 693 |
* ==================================================================== |
| 694 |
* |
| 695 |
* This software consists of voluntary contributions made by Vovida |
| 696 |
* Networks, Inc. and many individuals on behalf of Vovida Networks, |
| 697 |
* Inc. For more information on Vovida Networks, Inc., please see |
| 698 |
* <http://www.vovida.org/>. |
| 699 |
* |
| 700 |
*/ |
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