Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __PJPP_OS_HPP__ |
| 21 | #define __PJPP_OS_HPP__ |
| 22 | |
| 23 | #include <pj/os.h> |
| 24 | #include <pj/string.h> |
| 25 | #include <pj++/types.hpp> |
| 26 | #include <pj++/pool.hpp> |
| 27 | |
| 28 | class Pj_Thread; |
| 29 | |
| 30 | // |
| 31 | // Thread API. |
| 32 | // |
| 33 | class Pj_Thread_API |
| 34 | { |
| 35 | public: |
| 36 | // |
| 37 | // Create a thread. |
| 38 | // |
| 39 | static pj_status_t create( Pj_Pool *pool, pj_thread_t **thread, |
| 40 | pj_thread_proc *proc, void *arg, |
| 41 | unsigned flags = 0, |
| 42 | const char *name = NULL, |
| 43 | pj_size_t stack_size = 0 ) |
| 44 | { |
| 45 | return pj_thread_create(pool->pool_(), name, proc, arg, stack_size, |
| 46 | flags, thread); |
| 47 | } |
| 48 | |
| 49 | // |
| 50 | // Register a thread. |
| 51 | // |
| 52 | static pj_status_t register_this_thread( pj_thread_desc desc, |
| 53 | pj_thread_t **thread, |
| 54 | const char *name = NULL ) |
| 55 | { |
| 56 | return pj_thread_register( name, desc, thread ); |
| 57 | } |
| 58 | |
| 59 | // |
| 60 | // Get current thread. |
| 61 | // Will return pj_thread_t (sorry folks, not Pj_Thread). |
| 62 | // |
| 63 | static pj_thread_t *this_thread() |
| 64 | { |
| 65 | return pj_thread_this(); |
| 66 | } |
| 67 | |
| 68 | // |
| 69 | // Get thread name. |
| 70 | // |
| 71 | static const char *get_name(pj_thread_t *thread) |
| 72 | { |
| 73 | return pj_thread_get_name(thread); |
| 74 | } |
| 75 | |
| 76 | // |
| 77 | // Resume thread. |
| 78 | // |
| 79 | static pj_status_t resume(pj_thread_t *thread) |
| 80 | { |
| 81 | return pj_thread_resume(thread); |
| 82 | } |
| 83 | |
| 84 | // |
| 85 | // Sleep. |
| 86 | // |
| 87 | static pj_status_t sleep(unsigned msec) |
| 88 | { |
| 89 | return pj_thread_sleep(msec); |
| 90 | } |
| 91 | |
| 92 | // |
| 93 | // Join the specified thread. |
| 94 | // |
| 95 | static pj_status_t join(pj_thread_t *thread) |
| 96 | { |
| 97 | return pj_thread_join(thread); |
| 98 | } |
| 99 | |
| 100 | // |
| 101 | // Destroy thread |
| 102 | // |
| 103 | static pj_status_t destroy(pj_thread_t *thread) |
| 104 | { |
| 105 | return pj_thread_destroy(thread); |
| 106 | } |
| 107 | }; |
| 108 | |
| 109 | |
| 110 | |
| 111 | // |
| 112 | // Thread object. |
| 113 | // |
| 114 | // How to use: |
| 115 | // Derive a class from this class, then override main(). |
| 116 | // |
| 117 | class Pj_Thread : public Pj_Object |
| 118 | { |
| 119 | public: |
| 120 | enum Flags |
| 121 | { |
| 122 | FLAG_SUSPENDED = PJ_THREAD_SUSPENDED |
| 123 | }; |
| 124 | |
| 125 | // |
| 126 | // Default constructor. |
| 127 | // |
| 128 | Pj_Thread() |
| 129 | : thread_(NULL) |
| 130 | { |
| 131 | } |
| 132 | |
| 133 | // |
| 134 | // Destroy thread. |
| 135 | // |
| 136 | ~Pj_Thread() |
| 137 | { |
| 138 | destroy(); |
| 139 | } |
| 140 | |
| 141 | // |
| 142 | // This is the main thread function. |
| 143 | // |
| 144 | virtual int main() = 0; |
| 145 | |
| 146 | // |
| 147 | // Start a thread. |
| 148 | // |
| 149 | pj_status_t create( Pj_Pool *pool, |
| 150 | unsigned flags = 0, |
| 151 | const char *thread_name = NULL, |
| 152 | pj_size_t stack_size = PJ_THREAD_DEFAULT_STACK_SIZE) |
| 153 | { |
| 154 | destroy(); |
| 155 | return Pj_Thread_API::create( pool, &thread_, &thread_proc, this, |
| 156 | flags, thread_name, stack_size); |
| 157 | } |
| 158 | |
| 159 | // |
| 160 | // Get pjlib compatible thread object. |
| 161 | // |
| 162 | pj_thread_t *pj_thread_t_() |
| 163 | { |
| 164 | return thread_; |
| 165 | } |
| 166 | |
| 167 | // |
| 168 | // Get thread name. |
| 169 | // |
| 170 | const char *get_name() |
| 171 | { |
| 172 | return Pj_Thread_API::get_name(thread_); |
| 173 | } |
| 174 | |
| 175 | // |
| 176 | // Resume a suspended thread. |
| 177 | // |
| 178 | pj_status_t resume() |
| 179 | { |
| 180 | return Pj_Thread_API::resume(thread_); |
| 181 | } |
| 182 | |
| 183 | // |
| 184 | // Join this thread. |
| 185 | // |
| 186 | pj_status_t join() |
| 187 | { |
| 188 | return Pj_Thread_API::join(thread_); |
| 189 | } |
| 190 | |
| 191 | // |
| 192 | // Destroy thread. |
| 193 | // |
| 194 | pj_status_t destroy() |
| 195 | { |
| 196 | if (thread_) { |
| 197 | Pj_Thread_API::destroy(thread_); |
| 198 | thread_ = NULL; |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | protected: |
| 203 | pj_thread_t *thread_; |
| 204 | |
| 205 | static int PJ_THREAD_FUNC thread_proc(void *obj) |
| 206 | { |
| 207 | Pj_Thread *thread_class = (Pj_Thread*)obj; |
| 208 | return thread_class->main(); |
| 209 | } |
| 210 | }; |
| 211 | |
| 212 | |
| 213 | // |
| 214 | // External Thread |
| 215 | // (threads that were started by external means, i.e. not |
| 216 | // with Pj_Thread::create). |
| 217 | // |
| 218 | // This class will normally be defined as local variable in |
| 219 | // external thread's stack, normally inside thread's main proc. |
| 220 | // But be aware that the handle will be destroyed on destructor! |
| 221 | // |
| 222 | class Pj_External_Thread : public Pj_Thread |
| 223 | { |
| 224 | public: |
| 225 | Pj_External_Thread() |
| 226 | { |
| 227 | } |
| 228 | |
| 229 | // |
| 230 | // Register external thread so that pjlib functions can work |
| 231 | // in that thread. |
| 232 | // |
| 233 | pj_status_t register_this_thread( const char *name=NULL ) |
| 234 | { |
| 235 | return Pj_Thread_API::register_this_thread(desc_, &thread_,name); |
| 236 | } |
| 237 | |
| 238 | private: |
| 239 | pj_thread_desc desc_; |
| 240 | }; |
| 241 | |
| 242 | |
| 243 | // |
| 244 | // Thread specific data/thread local storage/TLS. |
| 245 | // |
| 246 | class Pj_Thread_Local_API |
| 247 | { |
| 248 | public: |
| 249 | // |
| 250 | // Allocate thread local storage (TLS) index. |
| 251 | // |
| 252 | static pj_status_t alloc(long *index) |
| 253 | { |
| 254 | return pj_thread_local_alloc(index); |
| 255 | } |
| 256 | |
| 257 | // |
| 258 | // Free TLS index. |
| 259 | // |
| 260 | static void free(long index) |
| 261 | { |
| 262 | pj_thread_local_free(index); |
| 263 | } |
| 264 | |
| 265 | // |
| 266 | // Set thread specific data. |
| 267 | // |
| 268 | static pj_status_t set(long index, void *value) |
| 269 | { |
| 270 | return pj_thread_local_set(index, value); |
| 271 | } |
| 272 | |
| 273 | // |
| 274 | // Get thread specific data. |
| 275 | // |
| 276 | static void *get(long index) |
| 277 | { |
| 278 | return pj_thread_local_get(index); |
| 279 | } |
| 280 | |
| 281 | }; |
| 282 | |
| 283 | // |
| 284 | // Atomic variable |
| 285 | // |
| 286 | // How to use: |
| 287 | // Pj_Atomic_Var var(pool, 0); |
| 288 | // var.set(..); |
| 289 | // |
| 290 | class Pj_Atomic_Var : public Pj_Object |
| 291 | { |
| 292 | public: |
| 293 | // |
| 294 | // Default constructor, initialize variable with NULL. |
| 295 | // |
| 296 | Pj_Atomic_Var() |
| 297 | : var_(NULL) |
| 298 | { |
| 299 | } |
| 300 | |
| 301 | // |
| 302 | // Construct atomic variable. |
| 303 | // |
| 304 | Pj_Atomic_Var(Pj_Pool *pool, pj_atomic_value_t value) |
| 305 | : var_(NULL) |
| 306 | { |
| 307 | create(pool, value); |
| 308 | } |
| 309 | |
| 310 | // |
| 311 | // Destructor. |
| 312 | // |
| 313 | ~Pj_Atomic_Var() |
| 314 | { |
| 315 | destroy(); |
| 316 | } |
| 317 | |
| 318 | // |
| 319 | // Create atomic variable. |
| 320 | // |
| 321 | pj_status_t create( Pj_Pool *pool, pj_atomic_value_t value) |
| 322 | { |
| 323 | destroy(); |
| 324 | return pj_atomic_create(pool->pool_(), value, &var_); |
| 325 | } |
| 326 | |
| 327 | // |
| 328 | // Destroy. |
| 329 | // |
| 330 | void destroy() |
| 331 | { |
| 332 | if (var_) { |
| 333 | pj_atomic_destroy(var_); |
| 334 | var_ = NULL; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | // |
| 339 | // Get pjlib compatible atomic variable. |
| 340 | // |
| 341 | pj_atomic_t *pj_atomic_t_() |
| 342 | { |
| 343 | return var_; |
| 344 | } |
| 345 | |
| 346 | // |
| 347 | // Set the value. |
| 348 | // |
| 349 | void set(pj_atomic_value_t val) |
| 350 | { |
| 351 | pj_atomic_set(var_, val); |
| 352 | } |
| 353 | |
| 354 | // |
| 355 | // Get the value. |
| 356 | // |
| 357 | pj_atomic_value_t get() |
| 358 | { |
| 359 | return pj_atomic_get(var_); |
| 360 | } |
| 361 | |
| 362 | // |
| 363 | // Increment. |
| 364 | // |
| 365 | void inc() |
| 366 | { |
| 367 | pj_atomic_inc(var_); |
| 368 | } |
| 369 | |
| 370 | // |
| 371 | // Increment and get the result. |
| 372 | // |
| 373 | pj_atomic_value_t inc_and_get() |
| 374 | { |
| 375 | return pj_atomic_inc_and_get(var_); |
| 376 | } |
| 377 | |
| 378 | // |
| 379 | // Decrement. |
| 380 | // |
| 381 | void dec() |
| 382 | { |
| 383 | pj_atomic_dec(var_); |
| 384 | } |
| 385 | |
| 386 | // |
| 387 | // Decrement and get the result. |
| 388 | // |
| 389 | pj_atomic_value_t dec_and_get() |
| 390 | { |
| 391 | return pj_atomic_dec_and_get(var_); |
| 392 | } |
| 393 | |
| 394 | // |
| 395 | // Add the variable. |
| 396 | // |
| 397 | void add(pj_atomic_value_t value) |
| 398 | { |
| 399 | pj_atomic_add(var_, value); |
| 400 | } |
| 401 | |
| 402 | // |
| 403 | // Add the variable and get the value. |
| 404 | // |
| 405 | pj_atomic_value_t add_and_get(pj_atomic_value_t value) |
| 406 | { |
| 407 | return pj_atomic_add_and_get(var_, value ); |
| 408 | } |
| 409 | |
| 410 | private: |
| 411 | pj_atomic_t *var_; |
| 412 | }; |
| 413 | |
| 414 | |
| 415 | // |
| 416 | // Mutex |
| 417 | // |
| 418 | class Pj_Mutex : public Pj_Object |
| 419 | { |
| 420 | public: |
| 421 | // |
| 422 | // Mutex type. |
| 423 | // |
| 424 | enum Type |
| 425 | { |
| 426 | DEFAULT = PJ_MUTEX_DEFAULT, |
| 427 | SIMPLE = PJ_MUTEX_SIMPLE, |
| 428 | RECURSE = PJ_MUTEX_RECURSE, |
| 429 | }; |
| 430 | |
| 431 | // |
| 432 | // Default constructor will create default mutex. |
| 433 | // |
| 434 | explicit Pj_Mutex(Pj_Pool *pool, Type type = DEFAULT, |
| 435 | const char *name = NULL) |
| 436 | : mutex_(NULL) |
| 437 | { |
| 438 | create(pool, type, name); |
| 439 | } |
| 440 | |
| 441 | // |
| 442 | // Destructor. |
| 443 | // |
| 444 | ~Pj_Mutex() |
| 445 | { |
| 446 | destroy(); |
| 447 | } |
| 448 | |
| 449 | // |
| 450 | // Create mutex. |
| 451 | // |
| 452 | pj_status_t create( Pj_Pool *pool, Type type, const char *name = NULL) |
| 453 | { |
| 454 | destroy(); |
| 455 | return pj_mutex_create( pool->pool_(), name, type, |
| 456 | &mutex_ ); |
| 457 | } |
| 458 | |
| 459 | // |
| 460 | // Create simple mutex. |
| 461 | // |
| 462 | pj_status_t create_simple( Pj_Pool *pool,const char *name = NULL) |
| 463 | { |
| 464 | return create(pool, SIMPLE, name); |
| 465 | } |
| 466 | |
| 467 | // |
| 468 | // Create recursive mutex. |
| 469 | // |
| 470 | pj_status_t create_recursive( Pj_Pool *pool, const char *name = NULL ) |
| 471 | { |
| 472 | return create(pool, RECURSE, name); |
| 473 | } |
| 474 | |
| 475 | // |
| 476 | // Get pjlib compatible mutex object. |
| 477 | // |
| 478 | pj_mutex_t *pj_mutex_t_() |
| 479 | { |
| 480 | return mutex_; |
| 481 | } |
| 482 | |
| 483 | // |
| 484 | // Destroy mutex. |
| 485 | // |
| 486 | void destroy() |
| 487 | { |
| 488 | if (mutex_) { |
| 489 | pj_mutex_destroy(mutex_); |
| 490 | mutex_ = NULL; |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | // |
| 495 | // Lock mutex. |
| 496 | // |
| 497 | pj_status_t acquire() |
| 498 | { |
| 499 | return pj_mutex_lock(mutex_); |
| 500 | } |
| 501 | |
| 502 | // |
| 503 | // Unlock mutex. |
| 504 | // |
| 505 | pj_status_t release() |
| 506 | { |
| 507 | return pj_mutex_unlock(mutex_); |
| 508 | } |
| 509 | |
| 510 | // |
| 511 | // Try locking the mutex. |
| 512 | // |
| 513 | pj_status_t tryacquire() |
| 514 | { |
| 515 | return pj_mutex_trylock(mutex_); |
| 516 | } |
| 517 | |
| 518 | private: |
| 519 | pj_mutex_t *mutex_; |
| 520 | }; |
| 521 | |
| 522 | |
| 523 | // |
| 524 | // Semaphore |
| 525 | // |
| 526 | class Pj_Semaphore : public Pj_Object |
| 527 | { |
| 528 | public: |
| 529 | // |
| 530 | // Construct semaphore |
| 531 | // |
| 532 | Pj_Semaphore(Pj_Pool *pool, unsigned max, |
| 533 | unsigned initial = 0, const char *name = NULL) |
| 534 | : sem_(NULL) |
| 535 | { |
| 536 | create(pool, max, initial, name); |
| 537 | } |
| 538 | |
| 539 | // |
| 540 | // Destructor. |
| 541 | // |
| 542 | ~Pj_Semaphore() |
| 543 | { |
| 544 | destroy(); |
| 545 | } |
| 546 | |
| 547 | // |
| 548 | // Create semaphore |
| 549 | // |
| 550 | pj_status_t create( Pj_Pool *pool, unsigned max, |
| 551 | unsigned initial = 0, const char *name = NULL ) |
| 552 | { |
| 553 | destroy(); |
| 554 | return pj_sem_create( pool->pool_(), name, initial, max, &sem_); |
| 555 | } |
| 556 | |
| 557 | // |
| 558 | // Destroy semaphore. |
| 559 | // |
| 560 | void destroy() |
| 561 | { |
| 562 | if (sem_) { |
| 563 | pj_sem_destroy(sem_); |
| 564 | sem_ = NULL; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | // |
| 569 | // Get pjlib compatible semaphore object. |
| 570 | // |
| 571 | pj_sem_t *pj_sem_t_() |
| 572 | { |
| 573 | return (pj_sem_t*)this; |
| 574 | } |
| 575 | |
| 576 | // |
| 577 | // Wait semaphore. |
| 578 | // |
| 579 | pj_status_t wait() |
| 580 | { |
| 581 | return pj_sem_wait(this->pj_sem_t_()); |
| 582 | } |
| 583 | |
| 584 | // |
| 585 | // Wait semaphore. |
| 586 | // |
| 587 | pj_status_t acquire() |
| 588 | { |
| 589 | return wait(); |
| 590 | } |
| 591 | |
| 592 | // |
| 593 | // Try wait semaphore. |
| 594 | // |
| 595 | pj_status_t trywait() |
| 596 | { |
| 597 | return pj_sem_trywait(this->pj_sem_t_()); |
| 598 | } |
| 599 | |
| 600 | // |
| 601 | // Try wait semaphore. |
| 602 | // |
| 603 | pj_status_t tryacquire() |
| 604 | { |
| 605 | return trywait(); |
| 606 | } |
| 607 | |
| 608 | // |
| 609 | // Post semaphore. |
| 610 | // |
| 611 | pj_status_t post() |
| 612 | { |
| 613 | return pj_sem_post(this->pj_sem_t_()); |
| 614 | } |
| 615 | |
| 616 | // |
| 617 | // Post semaphore. |
| 618 | // |
| 619 | pj_status_t release() |
| 620 | { |
| 621 | return post(); |
| 622 | } |
| 623 | |
| 624 | private: |
| 625 | pj_sem_t *sem_; |
| 626 | }; |
| 627 | |
| 628 | |
| 629 | // |
| 630 | // Event object. |
| 631 | // |
| 632 | class Pj_Event |
| 633 | { |
| 634 | public: |
| 635 | // |
| 636 | // Construct event object. |
| 637 | // |
| 638 | Pj_Event( Pj_Pool *pool, bool manual_reset = false, |
| 639 | bool initial = false, const char *name = NULL ) |
| 640 | : event_(NULL) |
| 641 | { |
| 642 | create(pool, manual_reset, initial, name); |
| 643 | } |
| 644 | |
| 645 | // |
| 646 | // Destructor. |
| 647 | // |
| 648 | ~Pj_Event() |
| 649 | { |
| 650 | destroy(); |
| 651 | } |
| 652 | |
| 653 | // |
| 654 | // Create event object. |
| 655 | // |
| 656 | pj_status_t create( Pj_Pool *pool, bool manual_reset = false, |
| 657 | bool initial = false, const char *name = NULL) |
| 658 | { |
| 659 | destroy(); |
| 660 | return pj_event_create(pool->pool_(), name, manual_reset, initial, |
| 661 | &event_); |
| 662 | } |
| 663 | |
| 664 | // |
| 665 | // Get pjlib compatible event object. |
| 666 | // |
| 667 | pj_event_t *pj_event_t_() |
| 668 | { |
| 669 | return event_; |
| 670 | } |
| 671 | |
| 672 | // |
| 673 | // Destroy event object. |
| 674 | // |
| 675 | void destroy() |
| 676 | { |
| 677 | if (event_) { |
| 678 | pj_event_destroy(event_); |
| 679 | event_ = NULL; |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | // |
| 684 | // Wait. |
| 685 | // |
| 686 | pj_status_t wait() |
| 687 | { |
| 688 | return pj_event_wait(event_); |
| 689 | } |
| 690 | |
| 691 | // |
| 692 | // Try wait. |
| 693 | // |
| 694 | pj_status_t trywait() |
| 695 | { |
| 696 | return pj_event_trywait(event_); |
| 697 | } |
| 698 | |
| 699 | // |
| 700 | // Set event state to signalled. |
| 701 | // |
| 702 | pj_status_t set() |
| 703 | { |
| 704 | return pj_event_set(this->pj_event_t_()); |
| 705 | } |
| 706 | |
| 707 | // |
| 708 | // Release one waiting thread. |
| 709 | // |
| 710 | pj_status_t pulse() |
| 711 | { |
| 712 | return pj_event_pulse(this->pj_event_t_()); |
| 713 | } |
| 714 | |
| 715 | // |
| 716 | // Set a non-signalled. |
| 717 | // |
| 718 | pj_status_t reset() |
| 719 | { |
| 720 | return pj_event_reset(this->pj_event_t_()); |
| 721 | } |
| 722 | |
| 723 | private: |
| 724 | pj_event_t *event_; |
| 725 | }; |
| 726 | |
| 727 | // |
| 728 | // Timestamp |
| 729 | // |
| 730 | class Pj_Timestamp |
| 731 | { |
| 732 | public: |
| 733 | pj_status_t get_timestamp() |
| 734 | { |
| 735 | return pj_get_timestamp(&ts_); |
| 736 | } |
| 737 | |
| 738 | Pj_Timestamp& operator += (const Pj_Timestamp &rhs) |
| 739 | { |
| 740 | pj_add_timestamp(&ts_, &rhs.ts_); |
| 741 | return *this; |
| 742 | } |
| 743 | |
| 744 | Pj_Timestamp& operator -= (const Pj_Timestamp &rhs) |
| 745 | { |
| 746 | pj_sub_timestamp(&ts_, &rhs.ts_); |
| 747 | return *this; |
| 748 | } |
| 749 | |
| 750 | Pj_Time_Val to_time() const |
| 751 | { |
| 752 | Pj_Timestamp zero; |
| 753 | pj_memset(&zero, 0, sizeof(zero)); |
| 754 | return Pj_Time_Val(pj_elapsed_time(&zero.ts_, &ts_)); |
| 755 | } |
| 756 | |
| 757 | pj_uint32_t to_msec() const |
| 758 | { |
| 759 | Pj_Timestamp zero; |
| 760 | pj_memset(&zero, 0, sizeof(zero)); |
| 761 | return pj_elapsed_msec(&zero.ts_, &ts_); |
| 762 | } |
| 763 | |
| 764 | pj_uint32_t to_usec() const |
| 765 | { |
| 766 | Pj_Timestamp zero; |
| 767 | pj_memset(&zero, 0, sizeof(zero)); |
| 768 | return pj_elapsed_usec(&zero.ts_, &ts_); |
| 769 | } |
| 770 | |
| 771 | pj_uint32_t to_nanosec() const |
| 772 | { |
| 773 | Pj_Timestamp zero; |
| 774 | pj_memset(&zero, 0, sizeof(zero)); |
| 775 | return pj_elapsed_nanosec(&zero.ts_, &ts_); |
| 776 | } |
| 777 | |
| 778 | pj_uint32_t to_cycle() const |
| 779 | { |
| 780 | Pj_Timestamp zero; |
| 781 | pj_memset(&zero, 0, sizeof(zero)); |
| 782 | return pj_elapsed_cycle(&zero.ts_, &ts_); |
| 783 | } |
| 784 | |
| 785 | private: |
| 786 | pj_timestamp ts_; |
| 787 | }; |
| 788 | |
| 789 | |
| 790 | // |
| 791 | // OS abstraction. |
| 792 | // |
| 793 | class Pj_OS_API |
| 794 | { |
| 795 | public: |
| 796 | // |
| 797 | // Get current time. |
| 798 | // |
| 799 | static pj_status_t gettimeofday( Pj_Time_Val *tv ) |
| 800 | { |
| 801 | return pj_gettimeofday(tv); |
| 802 | } |
| 803 | |
| 804 | // |
| 805 | // Parse to time of day. |
| 806 | // |
| 807 | static pj_status_t time_decode( const Pj_Time_Val *tv, |
| 808 | pj_parsed_time *pt ) |
| 809 | { |
| 810 | return pj_time_decode(tv, pt); |
| 811 | } |
| 812 | |
| 813 | // |
| 814 | // Parse from time of day. |
| 815 | // |
| 816 | static pj_status_t time_encode( const pj_parsed_time *pt, |
| 817 | Pj_Time_Val *tv) |
| 818 | { |
| 819 | return pj_time_encode(pt, tv); |
| 820 | } |
| 821 | |
| 822 | // |
| 823 | // Convert to GMT. |
| 824 | // |
| 825 | static pj_status_t time_local_to_gmt( Pj_Time_Val *tv ) |
| 826 | { |
| 827 | return pj_time_local_to_gmt( tv ); |
| 828 | } |
| 829 | |
| 830 | // |
| 831 | // Convert time to local. |
| 832 | // |
| 833 | static pj_status_t time_gmt_to_local( Pj_Time_Val *tv) |
| 834 | { |
| 835 | return pj_time_gmt_to_local( tv ); |
| 836 | } |
| 837 | }; |
| 838 | |
| 839 | // |
| 840 | // Timeval inlines. |
| 841 | // |
| 842 | inline pj_status_t Pj_Time_Val::gettimeofday() |
| 843 | { |
| 844 | return Pj_OS_API::gettimeofday(this); |
| 845 | } |
| 846 | |
| 847 | inline pj_parsed_time Pj_Time_Val::decode() |
| 848 | { |
| 849 | pj_parsed_time pt; |
| 850 | Pj_OS_API::time_decode(this, &pt); |
| 851 | return pt; |
| 852 | } |
| 853 | |
| 854 | inline pj_status_t Pj_Time_Val::encode(const pj_parsed_time *pt) |
| 855 | { |
| 856 | return Pj_OS_API::time_encode(pt, this); |
| 857 | } |
| 858 | |
| 859 | inline pj_status_t Pj_Time_Val::to_gmt() |
| 860 | { |
| 861 | return Pj_OS_API::time_local_to_gmt(this); |
| 862 | } |
| 863 | |
| 864 | inline pj_status_t Pj_Time_Val::to_local() |
| 865 | { |
| 866 | return Pj_OS_API::time_gmt_to_local(this); |
| 867 | } |
| 868 | |
| 869 | #endif /* __PJPP_OS_HPP__ */ |
| 870 | |