336 lines
7.9 KiB
C
336 lines
7.9 KiB
C
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/*---
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This software is copyrighted by the Regents of the University of
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California, and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose,
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provided that existing copyright notices are retained in all copies
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and that this notice is included verbatim in any distributions. No
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written agreement, license, or royalty fee is required for any of the
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authorized uses. Modifications to this software may be copyrighted by
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their authors and need not follow the licensing terms described here,
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provided that the new terms are clearly indicated on the first page of
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each file where they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
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THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights" in
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the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
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acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
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Government shall have only "Restricted Rights" as defined in Clause
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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---*/
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#include <config.h>
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#include <check.h>
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#include "../../src/lladd/page.h"
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#include "../../src/lladd/page/slotted.h"
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#include <lladd/bufferManager.h>
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#include <lladd/transactional.h>
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#include "../../src/lladd/latches.h"
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#include <sched.h>
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#include <assert.h>
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#include "../check_includes.h"
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#define LOG_NAME "check_page.log"
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#define RECORD_SIZE sizeof(int)
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/** @todo check_page needs to use loadPage, so it contains its own
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delcaration of loadPage. (Otherwise, loadPage would clutter the
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interface, which is especially bad, since we hide the Page struct
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ffrom the user for locking purposes.)*/
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Page * loadPage(int pageid);
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pthread_mutex_t random_mutex;
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static lsn_t lsn;
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static pthread_mutex_t lsn_mutex;
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static void * multiple_simultaneous_pages ( void * arg_ptr) {
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Page * p = (Page*)arg_ptr;
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int i;
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lsn_t this_lsn;
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int j;
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int first = 1;
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int k;
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recordid rid[100];
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for(i = 0; i < 10000; i++) {
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pthread_mutex_lock(&lsn_mutex);
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this_lsn = lsn;
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lsn++;
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pthread_mutex_unlock(&lsn_mutex);
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if(! first ) {
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/* addPendingEvent(p); */
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/*pageReadRecord(1, p, rid, (byte*)&j);*/
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for(k = 0; k < 100; k++) {
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readRecord(1, p, rid[k], (byte*)&j);
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assert((j + 1) == i + k);
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pageDeRalloc(p, rid[k]);
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sched_yield();
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}
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}
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first = 0;
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for(k = 0; k < 100; k++) {
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rid[k] = pageRalloc(p, sizeof(short));
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i +=k;
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/* printf("Slot = %d\n", rid[k].slot); */
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writeRecord(1, p, lsn, rid[k], (byte*)&i);
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i -=k;
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sched_yield();
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}
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assert(pageReadLSN(p) <= lsn);
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}
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return NULL;
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}
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static void* worker_thread(void * arg_ptr) {
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Page * p = (Page*)arg_ptr;
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int i;
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lsn_t this_lsn;
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int j;
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int first = 1;
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recordid rid;
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for(i = 0; i < 10000; i++) {
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pthread_mutex_lock(&lsn_mutex);
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this_lsn = lsn;
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lsn++;
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pthread_mutex_unlock(&lsn_mutex);
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if(! first ) {
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/* addPendingEvent(p); */
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/*pageReadRecord(1, p, rid, (byte*)&j);*/
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readRecord(1, p, rid, (byte*)&j);
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assert((j + 1) == i);
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pageDeRalloc(p, rid);
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sched_yield();
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}
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first = 0;
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rid = pageRalloc(p, sizeof(int));
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writeRecord(1, p, lsn, rid, (byte*)&i);
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sched_yield();
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assert(pageReadLSN(p) <= lsn);
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}
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return NULL;
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}
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/**
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@test
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just run one the worker_thread function once to make sure that it passes
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without interference from other threads.
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The number of slots allocated by the page tests is too low to check
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that freed space is recovered.
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@todo While space is being reclaimed by page.c, it does not reclaim
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slots, so freeing records still does not work properly.
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*/
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START_TEST(pageNoThreadTest)
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{
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Page * p;
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/* p->id = 0;*/
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pthread_mutex_init(&lsn_mutex, NULL);
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Tinit();
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p = loadPage(0);
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worker_thread(p);
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unlock(p->loadlatch);
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Tdeinit();
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}
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END_TEST
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/**
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@test
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*/
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START_TEST(pageCheckMacros) {
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Page p;
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byte buffer[PAGE_SIZE];
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memset(buffer, -1, PAGE_SIZE);
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p.memAddr = buffer;
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lsn_t lsn = 5;
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*lsn_ptr(&p) = lsn;
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*page_type_ptr(&p) = 10;
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*freespace_ptr(&p) = 15;
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*numslots_ptr(&p) = 20;
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*slot_ptr(&p, 0) = 30;
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*slot_ptr(&p, 1) = 35;
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*slot_ptr(&p, 40) = 40;
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*slot_length_ptr(&p, 0) = 31;
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*slot_length_ptr(&p, 1) = 36;
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*slot_length_ptr(&p, 40) = 41;
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*bytes_from_start(&p, 0) = 50;
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*bytes_from_start(&p, 1) = 51;
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*bytes_from_start(&p, 2) = 52;
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*bytes_from_start(&p, 3) = 53;
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*bytes_from_start(&p, 4) = 54;
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assert(*lsn_ptr(&p) == lsn);
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assert(*page_type_ptr(&p) == 10);
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assert(*end_of_usable_space_ptr(&p) == 10);
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assert(*freespace_ptr(&p) == 15);
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assert(*numslots_ptr(&p) == 20);
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assert(*slot_ptr(&p, 0) == 30);
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assert(*slot_ptr(&p, 1) == 35);
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assert(*slot_ptr(&p, 40) == 40);
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assert(*slot_length_ptr(&p, 0) == 31);
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assert(*slot_length_ptr(&p, 1) == 36);
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assert(*slot_length_ptr(&p, 40) == 41);
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assert(*bytes_from_start(&p, 0) == 50);
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assert(*bytes_from_start(&p, 1) == 51);
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assert(*bytes_from_start(&p, 2) == 52);
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assert(*bytes_from_start(&p, 3) == 53);
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assert(*bytes_from_start(&p, 4) == 54);
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assert(isValidSlot(&p, 0));
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assert(isValidSlot(&p, 1));
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assert(isValidSlot(&p, 40));
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/* invalidateSlot(&p, 0);
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invalidateSlot(&p, 1);
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invalidateSlot(&p, 40);
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assert(!isValidSlot(&p, 0));
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assert(!isValidSlot(&p, 1));
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assert(!isValidSlot(&p, 40));*/
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} END_TEST
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/**
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@test
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Page test that allocates multiple records
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*/
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START_TEST(pageNoThreadMultPageTest)
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{
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Page * p;
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/* p->id = 0;*/
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pthread_mutex_init(&lsn_mutex, NULL);
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Tinit();
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p = loadPage(1);
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multiple_simultaneous_pages(p);
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unlock(p->loadlatch);
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Tdeinit();
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}
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END_TEST
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/**
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Check the page implementation in the multi-threaded case.
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*/
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START_TEST(pageThreadTest) {
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#define THREAD_COUNT 10
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pthread_t workers[THREAD_COUNT];
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int i;
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pthread_mutex_init(&random_mutex, NULL);
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pthread_mutex_init(&lsn_mutex, NULL);
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fail_unless(1, NULL);
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Tinit();
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Tdeinit();
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Tinit();
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fail_unless(1, NULL);
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Page * p = loadPage(2);
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fail_unless(1, NULL);
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for(i = 0; i < THREAD_COUNT; i++) {
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pthread_create(&workers[i], NULL, worker_thread, p);
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}
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fail_unless(1, NULL);
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for(i = 0; i < THREAD_COUNT; i++) {
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pthread_join(workers[i], NULL);
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}
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unlock(p->loadlatch);
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Tdeinit();
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} END_TEST
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Suite * check_suite(void) {
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Suite *s = suite_create("page");
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/* Begin a new test */
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TCase *tc = tcase_create("pagethreads");
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/* Sub tests are added, one per line, here */
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tcase_add_test(tc, pageCheckMacros);
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tcase_add_test(tc, pageNoThreadMultPageTest);
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tcase_add_test(tc, pageNoThreadTest);
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tcase_add_test(tc, pageThreadTest);
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/* --------------------------------------------- */
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tcase_add_checked_fixture(tc, setup, teardown);
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suite_add_tcase(s, tc);
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return s;
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}
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#include "../check_setup.h"
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