| 1 | /* |
| 2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| 3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice including the dates of first publication and |
| 13 | * either this permission notice or a reference to |
| 14 | * http://oss.sgi.com/projects/FreeB/ |
| 15 | * shall be included in all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | * |
| 25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| 26 | * shall not be used in advertising or otherwise to promote the sale, use or |
| 27 | * other dealings in this Software without prior written authorization from |
| 28 | * Silicon Graphics, Inc. |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_DIX_CONFIG_H |
| 32 | #include <dix-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include <string.h> |
| 36 | #include "glxserver.h" |
| 37 | #include <windowstr.h> |
| 38 | #include <propertyst.h> |
| 39 | #include <registry.h> |
| 40 | #include "privates.h" |
| 41 | #include <os.h> |
| 42 | #include "extinit.h" |
| 43 | #include "glx_extinit.h" |
| 44 | #include "unpack.h" |
| 45 | #include "glxutil.h" |
| 46 | #include "glxext.h" |
| 47 | #include "indirect_table.h" |
| 48 | #include "indirect_util.h" |
| 49 | |
| 50 | /* |
| 51 | ** The last context used by the server. It is the context that is current |
| 52 | ** from the server's perspective. |
| 53 | */ |
| 54 | __GLXcontext *__glXLastContext; |
| 55 | |
| 56 | /* |
| 57 | ** X resources. |
| 58 | */ |
| 59 | RESTYPE __glXContextRes; |
| 60 | RESTYPE __glXDrawableRes; |
| 61 | |
| 62 | /* |
| 63 | ** Reply for most singles. |
| 64 | */ |
| 65 | xGLXSingleReply __glXReply; |
| 66 | |
| 67 | static DevPrivateKeyRec glxClientPrivateKeyRec; |
| 68 | |
| 69 | #define glxClientPrivateKey (&glxClientPrivateKeyRec) |
| 70 | |
| 71 | /* |
| 72 | ** Forward declarations. |
| 73 | */ |
| 74 | static int __glXDispatch(ClientPtr); |
| 75 | |
| 76 | /* |
| 77 | ** Called when the extension is reset. |
| 78 | */ |
| 79 | static void |
| 80 | ResetExtension(ExtensionEntry * extEntry) |
| 81 | { |
| 82 | __glXFlushContextCache(); |
| 83 | } |
| 84 | |
| 85 | /* |
| 86 | ** Reset state used to keep track of large (multi-request) commands. |
| 87 | */ |
| 88 | void |
| 89 | __glXResetLargeCommandStatus(__GLXclientState * cl) |
| 90 | { |
| 91 | cl->largeCmdBytesSoFar = 0; |
| 92 | cl->largeCmdBytesTotal = 0; |
| 93 | cl->largeCmdRequestsSoFar = 0; |
| 94 | cl->largeCmdRequestsTotal = 0; |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * This procedure is called when the client who created the context goes away |
| 99 | * OR when glXDestroyContext is called. In either case, all we do is flag that |
| 100 | * the ID is no longer valid, and (maybe) free the context. |
| 101 | */ |
| 102 | static int |
| 103 | ContextGone(__GLXcontext * cx, XID id) |
| 104 | { |
| 105 | cx->idExists = GL_FALSE; |
| 106 | if (!cx->currentClient) { |
| 107 | __glXFreeContext(cx); |
| 108 | } |
| 109 | |
| 110 | return True; |
| 111 | } |
| 112 | |
| 113 | static __GLXcontext *glxPendingDestroyContexts; |
| 114 | static __GLXcontext *glxAllContexts; |
| 115 | static int glxServerLeaveCount; |
| 116 | static int glxBlockClients; |
| 117 | |
| 118 | /* |
| 119 | ** Destroy routine that gets called when a drawable is freed. A drawable |
| 120 | ** contains the ancillary buffers needed for rendering. |
| 121 | */ |
| 122 | static Bool |
| 123 | DrawableGone(__GLXdrawable * glxPriv, XID xid) |
| 124 | { |
| 125 | __GLXcontext *c, *next; |
| 126 | |
| 127 | if (glxPriv->type == GLX_DRAWABLE_WINDOW) { |
| 128 | /* If this was created by glXCreateWindow, free the matching resource */ |
| 129 | if (glxPriv->drawId != glxPriv->pDraw->id) { |
| 130 | if (xid == glxPriv->drawId) |
| 131 | FreeResourceByType(glxPriv->pDraw->id, __glXDrawableRes, TRUE); |
| 132 | else |
| 133 | FreeResourceByType(glxPriv->drawId, __glXDrawableRes, TRUE); |
| 134 | } |
| 135 | /* otherwise this window was implicitly created by MakeCurrent */ |
| 136 | } |
| 137 | |
| 138 | for (c = glxAllContexts; c; c = next) { |
| 139 | next = c->next; |
| 140 | if (c->currentClient && |
| 141 | (c->drawPriv == glxPriv || c->readPriv == glxPriv)) { |
| 142 | /* just force a re-bind the next time through */ |
| 143 | (*c->loseCurrent) (c); |
| 144 | if (c == __glXLastContext) |
| 145 | __glXFlushContextCache(); |
| 146 | } |
| 147 | if (c->drawPriv == glxPriv) |
| 148 | c->drawPriv = NULL; |
| 149 | if (c->readPriv == glxPriv) |
| 150 | c->readPriv = NULL; |
| 151 | } |
| 152 | |
| 153 | /* drop our reference to any backing pixmap */ |
| 154 | if (glxPriv->type == GLX_DRAWABLE_PIXMAP) |
| 155 | glxPriv->pDraw->pScreen->DestroyPixmap((PixmapPtr) glxPriv->pDraw); |
| 156 | |
| 157 | glxPriv->destroy(glxPriv); |
| 158 | |
| 159 | return True; |
| 160 | } |
| 161 | |
| 162 | Bool |
| 163 | __glXAddContext(__GLXcontext * cx) |
| 164 | { |
| 165 | /* Register this context as a resource. |
| 166 | */ |
| 167 | if (!AddResource(cx->id, __glXContextRes, (pointer)cx)) { |
| 168 | return False; |
| 169 | } |
| 170 | |
| 171 | cx->next = glxAllContexts; |
| 172 | glxAllContexts = cx; |
| 173 | return True; |
| 174 | } |
| 175 | |
| 176 | static void |
| 177 | __glXRemoveFromContextList(__GLXcontext * cx) |
| 178 | { |
| 179 | __GLXcontext *c, *prev; |
| 180 | |
| 181 | if (cx == glxAllContexts) |
| 182 | glxAllContexts = cx->next; |
| 183 | else { |
| 184 | prev = glxAllContexts; |
| 185 | for (c = glxAllContexts; c; c = c->next) { |
| 186 | if (c == cx) |
| 187 | prev->next = c->next; |
| 188 | prev = c; |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | /* |
| 194 | ** Free a context. |
| 195 | */ |
| 196 | GLboolean |
| 197 | __glXFreeContext(__GLXcontext * cx) |
| 198 | { |
| 199 | if (cx->idExists || cx->currentClient) |
| 200 | return GL_FALSE; |
| 201 | |
| 202 | __glXRemoveFromContextList(cx); |
| 203 | |
| 204 | free(cx->feedbackBuf); |
| 205 | free(cx->selectBuf); |
| 206 | if (cx == __glXLastContext) { |
| 207 | __glXFlushContextCache(); |
| 208 | } |
| 209 | |
| 210 | /* We can get here through both regular dispatching from |
| 211 | * __glXDispatch() or as a callback from the resource manager. In |
| 212 | * the latter case we need to lift the DRI lock manually. */ |
| 213 | |
| 214 | if (!glxBlockClients) { |
| 215 | __glXleaveServer(GL_FALSE); |
| 216 | cx->destroy(cx); |
| 217 | __glXenterServer(GL_FALSE); |
| 218 | } |
| 219 | else { |
| 220 | cx->next = glxPendingDestroyContexts; |
| 221 | glxPendingDestroyContexts = cx; |
| 222 | } |
| 223 | |
| 224 | return GL_TRUE; |
| 225 | } |
| 226 | |
| 227 | /************************************************************************/ |
| 228 | |
| 229 | /* |
| 230 | ** These routines can be used to check whether a particular GL command |
| 231 | ** has caused an error. Specifically, we use them to check whether a |
| 232 | ** given query has caused an error, in which case a zero-length data |
| 233 | ** reply is sent to the client. |
| 234 | */ |
| 235 | |
| 236 | static GLboolean errorOccured = GL_FALSE; |
| 237 | |
| 238 | /* |
| 239 | ** The GL was will call this routine if an error occurs. |
| 240 | */ |
| 241 | void |
| 242 | __glXErrorCallBack(GLenum code) |
| 243 | { |
| 244 | errorOccured = GL_TRUE; |
| 245 | } |
| 246 | |
| 247 | /* |
| 248 | ** Clear the error flag before calling the GL command. |
| 249 | */ |
| 250 | void |
| 251 | __glXClearErrorOccured(void) |
| 252 | { |
| 253 | errorOccured = GL_FALSE; |
| 254 | } |
| 255 | |
| 256 | /* |
| 257 | ** Check if the GL command caused an error. |
| 258 | */ |
| 259 | GLboolean |
| 260 | __glXErrorOccured(void) |
| 261 | { |
| 262 | return errorOccured; |
| 263 | } |
| 264 | |
| 265 | static int __glXErrorBase; |
| 266 | int __glXEventBase; |
| 267 | |
| 268 | int |
| 269 | __glXError(int error) |
| 270 | { |
| 271 | return __glXErrorBase + error; |
| 272 | } |
| 273 | |
| 274 | __GLXclientState * |
| 275 | glxGetClient(ClientPtr pClient) |
| 276 | { |
| 277 | return dixLookupPrivate(&pClient->devPrivates, glxClientPrivateKey); |
| 278 | } |
| 279 | |
| 280 | static void |
| 281 | glxClientCallback(CallbackListPtr *list, pointer closure, pointer data) |
| 282 | { |
| 283 | NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; |
| 284 | ClientPtr pClient = clientinfo->client; |
| 285 | __GLXclientState *cl = glxGetClient(pClient); |
| 286 | __GLXcontext *c, *next; |
| 287 | |
| 288 | switch (pClient->clientState) { |
| 289 | case ClientStateRunning: |
| 290 | cl->client = pClient; |
| 291 | break; |
| 292 | |
| 293 | case ClientStateGone: |
| 294 | /* detach from all current contexts */ |
| 295 | for (c = glxAllContexts; c; c = next) { |
| 296 | next = c->next; |
| 297 | if (c->currentClient == pClient) { |
| 298 | c->loseCurrent(c); |
| 299 | c->currentClient = NULL; |
| 300 | __glXFreeContext(c); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | free(cl->returnBuf); |
| 305 | free(cl->largeCmdBuf); |
| 306 | free(cl->GLClientextensions); |
| 307 | break; |
| 308 | |
| 309 | default: |
| 310 | break; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | /************************************************************************/ |
| 315 | |
| 316 | static __GLXprovider *__glXProviderStack; |
| 317 | |
| 318 | void |
| 319 | GlxPushProvider(__GLXprovider * provider) |
| 320 | { |
| 321 | provider->next = __glXProviderStack; |
| 322 | __glXProviderStack = provider; |
| 323 | } |
| 324 | |
| 325 | /* |
| 326 | ** Initialize the GLX extension. |
| 327 | */ |
| 328 | void |
| 329 | GlxExtensionInit(void) |
| 330 | { |
| 331 | ExtensionEntry *extEntry; |
| 332 | ScreenPtr pScreen; |
| 333 | int i; |
| 334 | __GLXprovider *p, **stack; |
| 335 | Bool glx_provided = False; |
| 336 | |
| 337 | if (serverGeneration == 1) { |
| 338 | for (stack = &__glXProviderStack; *stack; stack = &(*stack)->next) |
| 339 | ; |
| 340 | *stack = &__glXDRISWRastProvider; |
| 341 | } |
| 342 | |
| 343 | __glXContextRes = CreateNewResourceType((DeleteType) ContextGone, |
| 344 | "GLXContext"); |
| 345 | __glXDrawableRes = CreateNewResourceType((DeleteType) DrawableGone, |
| 346 | "GLXDrawable"); |
| 347 | if (!__glXContextRes || !__glXDrawableRes) |
| 348 | return; |
| 349 | |
| 350 | if (!dixRegisterPrivateKey |
| 351 | (&glxClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(__GLXclientState))) |
| 352 | return; |
| 353 | if (!AddCallback(&ClientStateCallback, glxClientCallback, 0)) |
| 354 | return; |
| 355 | |
| 356 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 357 | pScreen = screenInfo.screens[i]; |
| 358 | |
| 359 | for (p = __glXProviderStack; p != NULL; p = p->next) { |
| 360 | __GLXscreen *glxScreen; |
| 361 | |
| 362 | glxScreen = p->screenProbe(pScreen); |
| 363 | if (glxScreen != NULL) { |
| 364 | if (glxScreen->GLXminor < glxMinorVersion) |
| 365 | glxMinorVersion = glxScreen->GLXminor; |
| 366 | LogMessage(X_INFO, |
| 367 | "GLX: Initialized %s GL provider for screen %d\n", |
| 368 | p->name, i); |
| 369 | break; |
| 370 | } |
| 371 | |
| 372 | } |
| 373 | |
| 374 | if (!p) |
| 375 | LogMessage(X_INFO, |
| 376 | "GLX: no usable GL providers found for screen %d\n", i); |
| 377 | else |
| 378 | glx_provided = True; |
| 379 | } |
| 380 | |
| 381 | /* don't register extension if GL is not provided on any screen */ |
| 382 | if (!glx_provided) |
| 383 | return; |
| 384 | |
| 385 | /* |
| 386 | ** Add extension to server extensions. |
| 387 | */ |
| 388 | extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS, |
| 389 | __GLX_NUMBER_ERRORS, __glXDispatch, |
| 390 | __glXDispatch, ResetExtension, StandardMinorOpcode); |
| 391 | if (!extEntry) { |
| 392 | FatalError("__glXExtensionInit: AddExtensions failed\n"); |
| 393 | return; |
| 394 | } |
| 395 | if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) { |
| 396 | ErrorF("__glXExtensionInit: AddExtensionAlias failed\n"); |
| 397 | return; |
| 398 | } |
| 399 | |
| 400 | __glXErrorBase = extEntry->errorBase; |
| 401 | __glXEventBase = extEntry->eventBase; |
| 402 | #if PRESENT |
| 403 | __glXregisterPresentCompleteNotify(); |
| 404 | #endif |
| 405 | } |
| 406 | |
| 407 | /************************************************************************/ |
| 408 | |
| 409 | void |
| 410 | __glXFlushContextCache(void) |
| 411 | { |
| 412 | __glXLastContext = 0; |
| 413 | } |
| 414 | |
| 415 | /* |
| 416 | ** Make a context the current one for the GL (in this implementation, there |
| 417 | ** is only one instance of the GL, and we use it to serve all GL clients by |
| 418 | ** switching it between different contexts). While we are at it, look up |
| 419 | ** a context by its tag and return its (__GLXcontext *). |
| 420 | */ |
| 421 | __GLXcontext * |
| 422 | __glXForceCurrent(__GLXclientState * cl, GLXContextTag tag, int *error) |
| 423 | { |
| 424 | __GLXcontext *cx; |
| 425 | |
| 426 | /* |
| 427 | ** See if the context tag is legal; it is managed by the extension, |
| 428 | ** so if it's invalid, we have an implementation error. |
| 429 | */ |
| 430 | cx = __glXLookupContextByTag(cl, tag); |
| 431 | if (!cx) { |
| 432 | cl->client->errorValue = tag; |
| 433 | *error = __glXError(GLXBadContextTag); |
| 434 | return 0; |
| 435 | } |
| 436 | |
| 437 | if (!cx->isDirect) { |
| 438 | if (cx->drawPriv == NULL) { |
| 439 | /* |
| 440 | ** The drawable has vanished. It must be a window, because only |
| 441 | ** windows can be destroyed from under us; GLX pixmaps are |
| 442 | ** refcounted and don't go away until no one is using them. |
| 443 | */ |
| 444 | *error = __glXError(GLXBadCurrentWindow); |
| 445 | return 0; |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | if (cx->wait && (*cx->wait) (cx, cl, error)) |
| 450 | return NULL; |
| 451 | |
| 452 | if (cx == __glXLastContext) { |
| 453 | /* No need to re-bind */ |
| 454 | return cx; |
| 455 | } |
| 456 | |
| 457 | /* Make this context the current one for the GL. */ |
| 458 | if (!cx->isDirect) { |
| 459 | if (!(*cx->makeCurrent) (cx)) { |
| 460 | /* Bind failed, and set the error code. Bummer */ |
| 461 | cl->client->errorValue = cx->id; |
| 462 | *error = __glXError(GLXBadContextState); |
| 463 | return 0; |
| 464 | } |
| 465 | } |
| 466 | __glXLastContext = cx; |
| 467 | return cx; |
| 468 | } |
| 469 | |
| 470 | /************************************************************************/ |
| 471 | |
| 472 | void |
| 473 | glxSuspendClients(void) |
| 474 | { |
| 475 | int i; |
| 476 | |
| 477 | for (i = 1; i < currentMaxClients; i++) { |
| 478 | if (clients[i] && glxGetClient(clients[i])->inUse) |
| 479 | IgnoreClient(clients[i]); |
| 480 | } |
| 481 | |
| 482 | glxBlockClients = TRUE; |
| 483 | } |
| 484 | |
| 485 | void |
| 486 | glxResumeClients(void) |
| 487 | { |
| 488 | __GLXcontext *cx, *next; |
| 489 | int i; |
| 490 | |
| 491 | glxBlockClients = FALSE; |
| 492 | |
| 493 | for (i = 1; i < currentMaxClients; i++) { |
| 494 | if (clients[i] && glxGetClient(clients[i])->inUse) |
| 495 | AttendClient(clients[i]); |
| 496 | } |
| 497 | |
| 498 | __glXleaveServer(GL_FALSE); |
| 499 | for (cx = glxPendingDestroyContexts; cx != NULL; cx = next) { |
| 500 | next = cx->next; |
| 501 | |
| 502 | cx->destroy(cx); |
| 503 | } |
| 504 | glxPendingDestroyContexts = NULL; |
| 505 | __glXenterServer(GL_FALSE); |
| 506 | } |
| 507 | |
| 508 | static void |
| 509 | __glXnopEnterServer(GLboolean rendering) |
| 510 | { |
| 511 | } |
| 512 | |
| 513 | static void |
| 514 | __glXnopLeaveServer(GLboolean rendering) |
| 515 | { |
| 516 | } |
| 517 | |
| 518 | static void (*__glXenterServerFunc) (GLboolean) = __glXnopEnterServer; |
| 519 | static void (*__glXleaveServerFunc) (GLboolean) = __glXnopLeaveServer; |
| 520 | |
| 521 | void |
| 522 | __glXsetEnterLeaveServerFuncs(void (*enter) (GLboolean), |
| 523 | void (*leave) (GLboolean)) |
| 524 | { |
| 525 | __glXenterServerFunc = enter; |
| 526 | __glXleaveServerFunc = leave; |
| 527 | } |
| 528 | |
| 529 | void |
| 530 | __glXenterServer(GLboolean rendering) |
| 531 | { |
| 532 | glxServerLeaveCount--; |
| 533 | |
| 534 | if (glxServerLeaveCount == 0) |
| 535 | (*__glXenterServerFunc) (rendering); |
| 536 | } |
| 537 | |
| 538 | void |
| 539 | __glXleaveServer(GLboolean rendering) |
| 540 | { |
| 541 | if (glxServerLeaveCount == 0) |
| 542 | (*__glXleaveServerFunc) (rendering); |
| 543 | |
| 544 | glxServerLeaveCount++; |
| 545 | } |
| 546 | |
| 547 | static glx_gpa_proc _get_proc_address; |
| 548 | |
| 549 | void |
| 550 | __glXsetGetProcAddress(glx_gpa_proc get_proc_address) |
| 551 | { |
| 552 | _get_proc_address = get_proc_address; |
| 553 | } |
| 554 | |
| 555 | void *__glGetProcAddress(const char *proc) |
| 556 | { |
| 557 | void *ret = _get_proc_address(proc); |
| 558 | |
| 559 | return ret ? ret : NoopDDA; |
| 560 | } |
| 561 | |
| 562 | /* |
| 563 | ** Top level dispatcher; all commands are executed from here down. |
| 564 | */ |
| 565 | static int |
| 566 | __glXDispatch(ClientPtr client) |
| 567 | { |
| 568 | REQUEST(xGLXSingleReq); |
| 569 | CARD8 opcode; |
| 570 | __GLXdispatchSingleProcPtr proc; |
| 571 | __GLXclientState *cl; |
| 572 | int retval; |
| 573 | |
| 574 | opcode = stuff->glxCode; |
| 575 | cl = glxGetClient(client); |
| 576 | /* Mark it in use so we suspend it on VT switch. */ |
| 577 | cl->inUse = TRUE; |
| 578 | |
| 579 | /* |
| 580 | ** If we're expecting a glXRenderLarge request, this better be one. |
| 581 | */ |
| 582 | if ((cl->largeCmdRequestsSoFar != 0) && (opcode != X_GLXRenderLarge)) { |
| 583 | client->errorValue = stuff->glxCode; |
| 584 | return __glXError(GLXBadLargeRequest); |
| 585 | } |
| 586 | |
| 587 | /* If we're currently blocking GLX clients, just put this guy to |
| 588 | * sleep, reset the request and return. */ |
| 589 | if (glxBlockClients) { |
| 590 | ResetCurrentRequest(client); |
| 591 | client->sequence--; |
| 592 | IgnoreClient(client); |
| 593 | return Success; |
| 594 | } |
| 595 | |
| 596 | /* |
| 597 | ** Use the opcode to index into the procedure table. |
| 598 | */ |
| 599 | proc = __glXGetProtocolDecodeFunction(&Single_dispatch_info, opcode, |
| 600 | client->swapped); |
| 601 | if (proc != NULL) { |
| 602 | GLboolean rendering = opcode <= X_GLXRenderLarge; |
| 603 | |
| 604 | __glXleaveServer(rendering); |
| 605 | |
| 606 | retval = (*proc) (cl, (GLbyte *) stuff); |
| 607 | |
| 608 | __glXenterServer(rendering); |
| 609 | } |
| 610 | else { |
| 611 | retval = BadRequest; |
| 612 | } |
| 613 | |
| 614 | return retval; |
| 615 | } |