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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
#include "test.h"
#include <stdio.h>
#include <unistd.h>
#include "checkpoint.h"
static const int item_size = 1;
static int n_flush, n_write_me, n_keep_me, n_fetch;
static void flush(
CACHEFILE cf,
int UU(fd),
CACHEKEY key,
void *value,
void** UU(dd),
void *extraargs,
PAIR_ATTR size,
PAIR_ATTR* UU(new_size),
bool write_me,
bool keep_me,
bool UU(for_checkpoint),
bool UU(is_clone)
)
{
cf = cf; key = key; value = value; extraargs = extraargs;
// assert(key == make_blocknum((long)value));
assert(size.size == item_size);
n_flush++;
if (write_me) n_write_me++;
if (keep_me) n_keep_me++;
}
static int callback_was_called = 0;
static int callback2_was_called = 0;
static void checkpoint_callback(void * extra) {
int * x = (int*) extra;
(*x)++;
if (verbose) printf("checkpoint_callback called %d (should be 1-16)\n", *x);
}
static void checkpoint_callback2(void * extra) {
int * x = (int*) extra;
(*x)++;
if (verbose) printf("checkpoint_callback2 called %d (should be 1-16)\n", *x);
}
// put n items into the cachetable, maybe mark them dirty, do a checkpoint, and
// verify that all of the items have been written and are clean.
static int dummy_pin_unpin(CACHEFILE UU(cfu), void* UU(v)) {
return 0;
}
static void cachetable_checkpoint_test(int n, enum cachetable_dirty dirty) {
if (verbose) printf("%s:%d n=%d dirty=%d\n", __FUNCTION__, __LINE__, n, (int) dirty);
const int test_limit = n;
int r;
CACHETABLE ct;
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
char fname1[] = __SRCFILE__ "test1.dat";
unlink(fname1);
CACHEFILE f1;
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
toku_cachefile_set_userdata(f1, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
dummy_pin_unpin, dummy_pin_unpin);
// insert items into the cachetable. all should be dirty
int i;
for (i=0; i<n; i++) {
CACHEKEY key = make_blocknum(i);
uint32_t hi = toku_cachetable_hash(f1, key);
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
wc.flush_callback = flush;
r = toku_cachetable_put(f1, key, hi, (void *)(long)i, make_pair_attr(1), wc);
assert(r == 0);
r = toku_cachetable_unpin(f1, key, hi, dirty, make_pair_attr(item_size));
assert(r == 0);
void *v;
int its_dirty;
long long its_pin;
long its_size;
r = toku_cachetable_get_key_state(ct, key, f1, &v, &its_dirty, &its_pin, &its_size);
if (r != 0)
continue;
assert(its_dirty == CACHETABLE_DIRTY);
assert(its_pin == 0);
assert(its_size == item_size);
}
// the checkpoint should cause n writes, but since n <= the cachetable size,
// all items should be kept in the cachetable
n_flush = n_write_me = n_keep_me = n_fetch = 0;
r = toku_checkpoint(ct, NULL, checkpoint_callback, &callback_was_called, checkpoint_callback2, &callback2_was_called, CLIENT_CHECKPOINT);
assert(r == 0);
assert(callback_was_called != 0);
assert(callback2_was_called != 0);
assert(n_flush == n && n_write_me == n && n_keep_me == n);
// after the checkpoint, all of the items should be clean
for (i=0; i<n; i++) {
CACHEKEY key = make_blocknum(i);
uint32_t hi = toku_cachetable_hash(f1, key);
void *v;
r = toku_cachetable_maybe_get_and_pin(f1, key, hi, &v);
if (r != 0)
continue;
r = toku_cachetable_unpin(f1, key, hi, CACHETABLE_CLEAN, make_pair_attr(item_size));
assert(r == 0);
int its_dirty;
long long its_pin;
long its_size;
r = toku_cachetable_get_key_state(ct, key, f1, &v, &its_dirty, &its_pin, &its_size);
if (r != 0)
continue;
assert(its_dirty == CACHETABLE_CLEAN);
assert(its_pin == 0);
assert(its_size == item_size);
}
// a subsequent checkpoint should cause no flushes, or writes since all of the items are clean
n_flush = n_write_me = n_keep_me = n_fetch = 0;
r = toku_checkpoint(ct, NULL, NULL, NULL, NULL, NULL, CLIENT_CHECKPOINT);
assert(r == 0);
assert(n_flush == 0 && n_write_me == 0 && n_keep_me == 0);
r = toku_cachefile_close(&f1, 0, false, ZERO_LSN); assert(r == 0 );
r = toku_cachetable_close(&ct); assert(r == 0 && ct == 0);
}
int
test_main(int argc, const char *argv[]) {
int i;
for (i=1; i<argc; i++) {
if (strcmp(argv[i], "-v") == 0) {
verbose++;
continue;
}
}
for (i=0; i<8; i++) {
cachetable_checkpoint_test(i, CACHETABLE_CLEAN);
cachetable_checkpoint_test(i, CACHETABLE_DIRTY);
}
return 0;
}
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