166 lines
3.5 KiB
C
166 lines
3.5 KiB
C
#include <lladd/transactional.h>
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#include <lladd/lockManager.h>
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#include <pthread.h>
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#include <config.h>
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#include <check.h>
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#include <lladd/transactional.h>
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#include <assert.h>
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#include "../check_includes.h"
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#include <stdlib.h>
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#define LOG_NAME "check_lockManager.log"
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/** Needs to be formatted as a floating point */
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#define NUM_RECORDS 5000000.0
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#define THREAD_COUNT 100
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#define RIDS_PER_THREAD 1000
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void * pageWorkerThread(void * j) {
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int xid = *(int*)j;
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//startTransaction(xid);
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globalLockManager.begin(xid);
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recordid rid;
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rid.page = 0;
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rid.size = 0;
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int k;
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int deadlocks = 0;
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for(k = 0; k < RIDS_PER_THREAD; k++) {
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int m = (int) (NUM_RECORDS*random()/(RAND_MAX+1.0));
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int rw = random() % 2;
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if(rw) {
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// readlock
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if(LLADD_DEADLOCK == globalLockManager.readLockPage(xid, m)) {
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// if(LLADD_DEADLOCK == lockManagerReadLockRecord(xid, rid)) {
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k = 0;
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globalLockManager.abort(xid);
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deadlocks++;
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printf("-");
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}
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} else {
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// writelock
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// if(LLADD_DEADLOCK == lockManagerWriteLockRecord(xid, rid)) {
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if(LLADD_DEADLOCK == globalLockManager.writeLockPage(xid, m)) {
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k = 0;
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globalLockManager.abort(xid);
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deadlocks++;
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printf("-");
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}
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}
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}
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printf("%2d ", deadlocks); fflush(stdout);
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// lockManagerCommit(xid);
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globalLockManager.commit(xid);
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return NULL;
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}
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void * ridWorkerThread(void * j) {
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int xid = *(int*)j;
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//startTransaction(xid);
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globalLockManager.begin(xid);
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recordid rid;
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rid.page = 0;
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rid.size = 0;
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int k;
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int deadlocks = 0;
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for(k = 0; k < RIDS_PER_THREAD; k++) {
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rid.slot = (int) (NUM_RECORDS*random()/(RAND_MAX+1.0));
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int rw = random() % 2;
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if(rw) {
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// readlock
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if(LLADD_DEADLOCK == globalLockManager.readLockRecord(xid, rid)) {
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// if(LLADD_DEADLOCK == lockManagerReadLockRecord(xid, rid)) {
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k = 0;
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globalLockManager.abort(xid);
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deadlocks++;
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printf("-");
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}
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} else {
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// writelock
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// if(LLADD_DEADLOCK == lockManagerWriteLockRecord(xid, rid)) {
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if(LLADD_DEADLOCK == globalLockManager.writeLockRecord(xid, rid)) {
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k = 0;
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globalLockManager.abort(xid);
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deadlocks++;
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printf("-");
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}
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}
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}
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printf("%2d ", deadlocks); fflush(stdout);
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// lockManagerCommit(xid);
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globalLockManager.commit(xid);
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return NULL;
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}
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START_TEST(recordidLockManagerTest) {
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printf("\n");
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setupLockManagerCallbacksRecord();
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pthread_t workers[THREAD_COUNT];
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int i;
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for(i = 0; i < THREAD_COUNT; i++) {
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int *j = malloc(sizeof(int));
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*j = i;
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pthread_create(&workers[i], NULL, ridWorkerThread, j);
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}
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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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} END_TEST
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START_TEST(pageLockManagerTest) {
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printf("\n");
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setupLockManagerCallbacksPage();
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pthread_t workers[THREAD_COUNT];
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int i;
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for(i = 0; i < THREAD_COUNT; i++) {
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int *j = malloc(sizeof(int));
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*j = i;
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pthread_create(&workers[i], NULL, pageWorkerThread, j);
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}
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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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} END_TEST
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Suite * check_suite(void) {
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Suite *s = suite_create("lockManager");
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/* Begin a new test */
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TCase *tc = tcase_create("multithreaded");
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/* Sub tests are added, one per line, here */
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tcase_add_test(tc, recordidLockManagerTest);
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tcase_add_test(tc, pageLockManagerTest);
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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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