+++ /dev/null
-/*
- * Written by Josh Dybnis and released to the public domain, as explained at
- * http://creativecommons.org/licenses/publicdomain
- */
-#include <stdio.h>
-#include <pthread.h>
-#include "runtime.h"
-#include "CuTest.h"
-#include "common.h"
-#include "ht.h"
-#include "mem.h"
-
-#define ASSERT_EQUAL(x, y) CuAssertIntEquals(tc, x, y)
-
-typedef struct worker_data {
- int id;
- CuTest *tc;
- hash_table_t *ht;
- int *wait;
-} worker_data_t;
-
-int64_t ht_set (hash_table_t *ht, const char *key, uint32_t key_len, int64_t val) {
- return ht_compare_and_set(ht, key, key_len, HT_EXPECT_WHATEVER, val);
-}
-
-int64_t ht_add (hash_table_t *ht, const char *key, uint32_t key_len, int64_t val) {
- return ht_compare_and_set(ht, key, key_len, HT_EXPECT_NOT_EXISTS, val);
-}
-
-int64_t ht_replace (hash_table_t *ht, const char *key, uint32_t key_len, int64_t val) {
- return ht_compare_and_set(ht, key, key_len, HT_EXPECT_EXISTS, val);
-}
-
-// Test some basic stuff; add a few keys, remove a few keys
-void basic_test (CuTest* tc) {
-
- hash_table_t *ht = ht_alloc();
-
- ASSERT_EQUAL( 0, ht_count(ht) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_add(ht,"a",2,10) );
- ASSERT_EQUAL( 1, ht_count(ht) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_add(ht,"b",2,20) );
- ASSERT_EQUAL( 2, ht_count(ht) );
- ASSERT_EQUAL( 20, ht_get(ht,"b",2) );
- ASSERT_EQUAL( 10, ht_set(ht,"a",2,11) );
- ASSERT_EQUAL( 20, ht_set(ht,"b",2,21) );
- ASSERT_EQUAL( 2, ht_count(ht) );
- ASSERT_EQUAL( 21, ht_add(ht,"b",2,22) );
- ASSERT_EQUAL( 11, ht_remove(ht,"a",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"a",2) );
- ASSERT_EQUAL( 1, ht_count(ht) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_remove(ht,"a",2) );
- ASSERT_EQUAL( 21, ht_remove(ht,"b",2) );
- ASSERT_EQUAL( 0, ht_count(ht) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_remove(ht,"b",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_remove(ht,"c",2) );
- ASSERT_EQUAL( 0, ht_count(ht) );
-
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_add(ht,"d",2,40) );
- ASSERT_EQUAL( 40, ht_get(ht,"d",2) );
- ASSERT_EQUAL( 1, ht_count(ht) );
- ASSERT_EQUAL( 40, ht_remove(ht,"d",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"d",2) );
- ASSERT_EQUAL( 0, ht_count(ht) );
-
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_replace(ht,"d",2,10) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"d",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_set(ht,"d",2,40) );
- ASSERT_EQUAL( 40, ht_replace(ht,"d",2,41) );
- ASSERT_EQUAL( 41, ht_get(ht,"d",2) );
- ASSERT_EQUAL( 41, ht_remove(ht,"d",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"d",2) );
- ASSERT_EQUAL( 0, ht_count(ht) );
-
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_replace(ht,"b",2,20) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"b",2) );
- // In the end, all members should be removed
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_set(ht,"b",2,20) );
- ASSERT_EQUAL( 20, ht_replace(ht,"b",2,21) );
- ASSERT_EQUAL( 21, ht_get(ht,"b",2) );
- ASSERT_EQUAL( 21, ht_remove(ht,"b",2) );
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_get(ht,"b",2) );
- ASSERT_EQUAL( 0, ht_count(ht) );
-
- ht_free(ht);
-
- // In a quiecent state; it is safe to free.
- rcu_update();
-}
-
-void *simple_worker (void *arg) {
- worker_data_t *wd = (worker_data_t *)arg;
- hash_table_t *ht = wd->ht;
- CuTest* tc = wd->tc;
- uint64_t d = wd->id;
- int iters = 1000000;
-
- SYNC_ADD(wd->wait, -1);
- do { } while (*((volatile worker_data_t *)wd)->wait); // wait for all workers to be ready
-
- int i, j;
- for (j = 0; j < 10; ++j) {
- for (i = d; i < iters; i+=2) {
- char key[8];
- sprintf(key, "k%u", i);
- ASSERT_EQUAL( DOES_NOT_EXIST, ht_add(ht, key, strlen(key)+1, d+1) );
- }
- for (i = d; i < iters; i+=2) {
- char key[8];
- sprintf(key, "k%u", i);
- ASSERT_EQUAL( d+1, ht_remove(ht, key, strlen(key)+1) );
- }
- rcu_update();
- }
- return NULL;
-}
-
-// Do some simple concurrent testing
-void simple_add_remove (CuTest* tc) {
-
- pthread_t thread[2];
- worker_data_t wd[2];
- int wait = 2;
- hash_table_t *ht = ht_alloc();
-
- // In 2 threads, add & remove even & odd elements concurrently
- int i;
- for (i = 0; i < 2; ++i) {
- wd[i].id = i;
- wd[i].tc = tc;
- wd[i].ht = ht;
- wd[i].wait = &wait;
- int rc = nbd_thread_create(thread + i, i, simple_worker, wd + i);
- if (rc != 0) { perror("nbd_thread_create"); return; }
- }
- for (i = 0; i < 2; ++i) {
- pthread_join(thread[i], NULL);
- }
-
- // In the end, all members should be removed
- ASSERT_EQUAL( 0, ht_count(ht) );
-
- // In a quiecent state; it is safe to free.
- ht_free(ht);
-}
-
-
-void *inserter_worker (void *arg) {
- //pthread_t thread[NUM_THREADS];
-
- //hash_table_t *ht = ht_alloc();
- return NULL;
-}
-
-// Concurrent insertion
-void concurrent_insert (CuTest* tc) {
-}
-
-int main (void) {
-
- nbd_init();
- //lwt_set_trace_level("h4");
-
- // Create and run test suite
- CuString *output = CuStringNew();
- CuSuite* suite = CuSuiteNew();
-
- SUITE_ADD_TEST(suite, basic_test);
- SUITE_ADD_TEST(suite, simple_add_remove);
-
- CuSuiteRun(suite);
- CuSuiteSummary(suite, output);
- CuSuiteDetails(suite, output);
- printf("%s\n", output->buffer);
-
- return 0;
-}
projects / nbds / blobdiff