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mariadb/ft/tests/ftloader-test-merge-files-dbufio.cc
Leif Walsh 9f99932a76 refs #6566 fix typo in license text 
git-svn-id: file:///svn/toku/tokudb@55577 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-17 00:01:36 -04:00

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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 "$Id$"
/*
COPYING CONDITIONS NOTICE:
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation, and provided that the
following conditions are met:
* Redistributions of source code must retain this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below).
* Redistributions in binary form must reproduce this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below) in the documentation and/or other materials
provided with the distribution.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
COPYRIGHT NOTICE:
TokuDB, Tokutek Fractal Tree Indexing Library.
Copyright (C) 2007-2013 Tokutek, Inc.
DISCLAIMER:
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
UNIVERSITY PATENT NOTICE:
The technology is licensed by the Massachusetts Institute of
Technology, Rutgers State University of New Jersey, and the Research
Foundation of State University of New York at Stony Brook under
United States of America Serial No. 11/760379 and to the patents
and/or patent applications resulting from it.
PATENT MARKING NOTICE:
This software is covered by US Patent No. 8,185,551.
PATENT RIGHTS GRANT:
"THIS IMPLEMENTATION" means the copyrightable works distributed by
Tokutek as part of the Fractal Tree project.
"PATENT CLAIMS" means the claims of patents that are owned or
licensable by Tokutek, both currently or in the future; and that in
the absence of this license would be infringed by THIS
IMPLEMENTATION or by using or running THIS IMPLEMENTATION.
"PATENT CHALLENGE" shall mean a challenge to the validity,
patentability, enforceability and/or non-infringement of any of the
PATENT CLAIMS or otherwise opposing any of the PATENT CLAIMS.
Tokutek hereby grants to you, for the term and geographical scope of
the PATENT CLAIMS, a non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to
make, have made, use, offer to sell, sell, import, transfer, and
otherwise run, modify, and propagate the contents of THIS
IMPLEMENTATION, where such license applies only to the PATENT
CLAIMS. This grant does not include claims that would be infringed
only as a consequence of further modifications of THIS
IMPLEMENTATION. If you or your agent or licensee institute or order
or agree to the institution of patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that
THIS IMPLEMENTATION constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any rights
granted to you under this License shall terminate as of the date
such litigation is filed. If you or your agent or exclusive
licensee institute or order or agree to the institution of a PATENT
CHALLENGE, then Tokutek may terminate any rights granted to you
under this License.
*/
#ident "Copyright (c) 2010-2013 Tokutek Inc. All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
// test the loader write dbfile function
#define DONT_DEPRECATE_WRITES
#define DONT_DEPRECATE_MALLOC
#include "test.h"
#include "ftloader-internal.h"
#include <portability/toku_path.h>
static int event_count, event_count_trigger;
static void my_assert_hook (void) {
fprintf(stderr, "event_count=%d\n", event_count);
}
static void reset_event_counts(void) {
event_count = event_count_trigger = 0;
}
static void event_hit(void) {
}
static int loader_poll_callback(void *UU(extra), float UU(progress)) {
int r;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
r = TOKUDB_CANCELED;
} else {
r = 0;
}
return r;
}
static size_t bad_fwrite (const void *ptr, size_t size, size_t nmemb, FILE *stream) {
event_count++;
size_t r;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOSPC;
r = (size_t) -1;
} else {
r = fwrite(ptr, size, nmemb, stream);
if (r!=nmemb) {
errno = ferror(stream);
}
}
return r;
}
static ssize_t bad_write(int fd, const void * bp, size_t len) {
ssize_t r;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOSPC;
r = -1;
} else {
r = write(fd, bp, len);
}
return r;
}
static ssize_t bad_pwrite(int fd, const void * bp, size_t len, toku_off_t off) {
ssize_t r;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOSPC;
r = -1;
} else {
r = pwrite(fd, bp, len, off);
}
return r;
}
static FILE *
bad_fdopen(int fd, const char * mode) {
FILE * rval;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = EINVAL;
rval = NULL;
} else {
rval = fdopen(fd, mode);
}
return rval;
}
static FILE *
bad_fopen(const char *filename, const char *mode) {
FILE * rval;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = EINVAL;
rval = NULL;
} else {
rval = fopen(filename, mode);
}
return rval;
}
static int
bad_open(const char *path, int oflag, int mode) {
int rval;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = EINVAL;
rval = -1;
} else {
rval = open(path, oflag, mode);
}
return rval;
}
static int
bad_fclose(FILE * stream) {
int rval;
event_count++;
// Must close the stream even in the "error case" because otherwise there is no way to get the memory back.
rval = fclose(stream);
if (rval==0) {
if (event_count_trigger == event_count) {
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOSPC;
rval = -1;
}
}
return rval;
}
int bad_read_errno = 0;
static ssize_t
bad_read(int fd, void *buf, size_t count) {
ssize_t rval;
event_count++;
if (event_count_trigger == event_count) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = bad_read_errno;
rval = -1;
} else
rval = read(fd, buf, count);
return rval;
}
static int my_malloc_event = 1;
static int my_malloc_count = 0, my_big_malloc_count = 0;
static int my_realloc_count = 0, my_big_realloc_count = 0;
static void reset_my_malloc_counts(void) {
my_malloc_count = my_big_malloc_count = 0;
my_realloc_count = my_big_realloc_count = 0;
}
size_t min_malloc_error_size = 0;
static void *my_malloc(size_t n) {
my_malloc_count++;
if (n >= min_malloc_error_size) {
my_big_malloc_count++;
if (my_malloc_event) {
event_count++;
if (event_count == event_count_trigger) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOMEM;
return NULL;
}
}
}
return os_malloc(n);
}
static int do_realloc_errors = 1;
static void *my_realloc(void *p, size_t n) {
my_realloc_count++;
if (n >= min_malloc_error_size) {
my_big_realloc_count++;
if (do_realloc_errors) {
event_count++;
if (event_count == event_count_trigger) {
event_hit();
if (verbose) printf("%s %d\n", __FUNCTION__, event_count);
errno = ENOMEM;
return NULL;
}
}
}
return os_realloc(p, n);
}
static int qsort_compare_ints (const void *a, const void *b) {
int avalue = *(int*)a;
int bvalue = *(int*)b;
if (avalue<bvalue) return -1;
if (avalue>bvalue) return +1;
return 0;
}
static int compare_ints (DB* UU(desc), const DBT *akey, const DBT *bkey) {
assert(akey->size==sizeof(int));
assert(bkey->size==sizeof(int));
return qsort_compare_ints(akey->data, bkey->data);
}
static char *errorstr_static (int err) {
static char errorstr[100];
toku_ft_strerror_r(err, errorstr, sizeof(errorstr));
return errorstr;
}
static void err_cb(DB *db UU(), int dbn, int err, DBT *key UU(), DBT *val UU(), void *extra UU()) {
fprintf(stderr, "error in test dbn=%d err=%d (%s)\n", dbn, err, errorstr_static(err));
abort();
}
enum { N_SOURCES = 2, N_DEST_DBS=1 };
int N_RECORDS = 10;
static char *make_fname(const char *directory, const char *fname, int idx) {
int len = strlen(directory)+strlen(fname)+20;
char *XMALLOC_N(len, result);
int r = snprintf(result, len, "%s/%s%d", directory, fname, idx);
assert(r<len);
return result; // don't care that it's a little too long.
}
struct consumer_thunk {
QUEUE q;
int64_t n_read;
};
static void *consumer_thread (void *ctv) {
struct consumer_thunk *cthunk = (struct consumer_thunk *)ctv;
while (1) {
void *item;
int r = queue_deq(cthunk->q, &item, NULL, NULL);
if (r==EOF) return NULL;
assert(r==0);
struct rowset *rowset = (struct rowset *)item;
cthunk->n_read += rowset->n_rows;
destroy_rowset(rowset);
toku_free(rowset);
}
}
static void test (const char *directory, bool is_error) {
int *XMALLOC_N(N_SOURCES, fds);
char **XMALLOC_N(N_SOURCES, fnames);
int *XMALLOC_N(N_SOURCES, n_records_in_fd);
for (int i=0; i<N_SOURCES; i++) {
fnames[i] = make_fname(directory, "temp", i);
fds[i] = open(fnames[i], O_CREAT|O_RDWR, S_IRWXU);
assert(fds[i]>=0);
n_records_in_fd[i] = 0;
}
for (int i=0; i<N_RECORDS; i++) {
int size=4;
int fdi = random()%N_SOURCES;
int fd = fds[fdi];
{ int r = write(fd, &size, 4); assert(r==4); }
{ int r = write(fd, &i, 4); assert(r==4); }
{ int r = write(fd, &size, 4); assert(r==4); }
{ int r = write(fd, &i, 4); assert(r==4); }
n_records_in_fd[fdi]++;
}
for (int i=0; i<N_SOURCES; i++) {
toku_off_t r = lseek(fds[i], 0, SEEK_SET);
assert(r==0);
}
FTLOADER bl;
FT_HANDLE *XCALLOC_N(N_DEST_DBS, brts);
DB* *XCALLOC_N(N_DEST_DBS, dbs);
const char **XMALLOC_N(N_DEST_DBS, new_fnames_in_env);
for (int i=0; i<N_DEST_DBS; i++) {
char s[100];
snprintf(s, sizeof(s), "db%d.db", i);
new_fnames_in_env[i] = toku_strdup(s);
assert(new_fnames_in_env[i]);
}
ft_compare_func *XMALLOC_N(N_DEST_DBS, bt_compare_functions);
bt_compare_functions[0] = compare_ints;
CACHETABLE ct;
enum {CACHETABLE_SIZE = 64*1024};
{
toku_cachetable_create(&ct, CACHETABLE_SIZE, (LSN){1}, NULL);
}
LSN *XMALLOC(lsnp);
{
int r = toku_ft_loader_internal_init (&bl,
ct,
(generate_row_for_put_func)NULL,
(DB*)NULL,
N_DEST_DBS, brts, dbs,
new_fnames_in_env,
bt_compare_functions,
"tempxxxxxx",
*lsnp,
TXNID_NONE, true, false);
assert(r==0);
}
ft_loader_init_error_callback(&bl->error_callback);
ft_loader_set_error_function(&bl->error_callback, err_cb, NULL);
ft_loader_init_poll_callback(&bl->poll_callback);
ft_loader_set_poll_function(&bl->poll_callback, loader_poll_callback, NULL);
ft_loader_set_fractal_workers_count_from_c(bl);
QUEUE q;
{ int r = queue_create(&q, 1000); assert(r==0); }
DBUFIO_FILESET bfs;
const int MERGE_BUF_SIZE = 100000; // bigger than 64K so that we will trigger malloc issues.
{ int r = create_dbufio_fileset(&bfs, N_SOURCES, fds, MERGE_BUF_SIZE, false); assert(r==0); }
FIDX *XMALLOC_N(N_SOURCES, src_fidxs);
assert(bl->file_infos.n_files==0);
bl->file_infos.n_files = N_SOURCES;
bl->file_infos.n_files_limit = N_SOURCES;
bl->file_infos.n_files_open = 0;
bl->file_infos.n_files_extant = 0;
XREALLOC_N(bl->file_infos.n_files_limit, bl->file_infos.file_infos);
for (int i=0; i<N_SOURCES; i++) {
// all we really need is the number of records in the file. The rest of the file_info is unused by the dbufio code.n
bl->file_infos.file_infos[i].n_rows = n_records_in_fd[i];
// However we need these for the destroy method to work right.
bl->file_infos.file_infos[i].is_extant = false;
bl->file_infos.file_infos[i].is_open = false;
bl->file_infos.file_infos[i].buffer = NULL;
src_fidxs[i].idx = i;
}
toku_pthread_t consumer;
struct consumer_thunk cthunk = {q, 0};
{
int r = toku_pthread_create(&consumer, NULL, consumer_thread, (void*)&cthunk);
assert(r==0);
}
toku_set_func_malloc_only(my_malloc);
toku_set_func_realloc_only(my_realloc);
ft_loader_set_os_fwrite(bad_fwrite);
toku_set_func_write(bad_write);
toku_set_func_pwrite(bad_pwrite);
toku_set_func_fdopen(bad_fdopen);
toku_set_func_fopen(bad_fopen);
toku_set_func_open(bad_open);
toku_set_func_fclose(bad_fclose);
if (bad_read_errno) toku_set_func_read(bad_read);
int result = 0;
{
int r = toku_merge_some_files_using_dbufio(true, FIDX_NULL, q, N_SOURCES, bfs, src_fidxs, bl, 0, (DB*)NULL, compare_ints, 10000);
if (is_error && r!=0) {
result = r;
} else {
if (r!=0) printf("%s:%d r=%d (%s)\n", __FILE__, __LINE__, r, errorstr_static(r));
assert(r==0);
}
if (r)
panic_dbufio_fileset(bfs, r);
}
{
int r = queue_eof(q);
assert(r==0);
}
toku_set_func_malloc(NULL);
toku_set_func_realloc(NULL);
ft_loader_set_os_fwrite(NULL);
toku_set_func_write(NULL);
toku_set_func_pwrite(NULL);
toku_set_func_fdopen(NULL);
toku_set_func_fopen(NULL);
toku_set_func_open(NULL);
toku_set_func_fclose(NULL);
toku_set_func_read(NULL);
do_assert_hook = my_assert_hook;
{
void *vresult;
int r = toku_pthread_join(consumer, &vresult);
assert(r==0);
assert(vresult==NULL);
//printf("n_read = %ld, N_SOURCES=%d N_RECORDS=%d\n", cthunk.n_read, N_SOURCES, N_RECORDS);
if (result==0) {
assert(cthunk.n_read == N_RECORDS);
}
}
//printf("%s:%d Destroying\n", __FILE__, __LINE__);
{
int r = queue_destroy(bl->primary_rowset_queue);
assert(r==0);
}
{
int r = queue_destroy(q);
assert(r==0);
}
toku_ft_loader_internal_destroy(bl, false);
{
toku_cachetable_close(&ct);
}
for (int i=0; i<N_DEST_DBS; i++) {
toku_free((void*)new_fnames_in_env[i]);
}
for (int i=0; i<N_SOURCES; i++) {
toku_free(fnames[i]);
}
destroy_dbufio_fileset(bfs);
toku_free(fnames);
toku_free(fds);
toku_free(brts);
toku_free(dbs);
toku_free(new_fnames_in_env);
toku_free(bt_compare_functions);
toku_free(lsnp);
toku_free(src_fidxs);
toku_free(n_records_in_fd);
}
static int usage(const char *progname, int n) {
fprintf(stderr, "Usage:\n %s [-v] [-q] [-r %d] [-s] [-m] [-tend NEVENTS] directory\n", progname, n);
fprintf(stderr, "[-v] turn on verbose\n");
fprintf(stderr, "[-q] turn off verbose\n");
fprintf(stderr, "[-r %d] set the number of rows\n", n);
fprintf(stderr, "[-s] set the small loader size factor\n");
fprintf(stderr, "[-m] inject big malloc failures\n");
fprintf(stderr, "[-tend NEVENTS] stop testing after N events\n");
fprintf(stderr, "[-bad_read_errno ERRNO]\n");
return 1;
}
int test_main (int argc, const char *argv[]) {
int tstart = 0;
int tend = -1;
const char *progname=argv[0];
argc--; argv++;
while (argc>0) {
if (strcmp(argv[0],"-h")==0) {
return usage(progname, N_RECORDS);
} else if (strcmp(argv[0],"-v")==0) {
verbose=1;
} else if (strcmp(argv[0],"-q")==0) {
verbose=0;
} else if (strcmp(argv[0],"-r") == 0) {
argc--; argv++;
N_RECORDS = atoi(argv[0]);
} else if (strcmp(argv[0],"-s") == 0) {
toku_ft_loader_set_size_factor(1);
} else if (strcmp(argv[0],"-m") == 0) {
my_malloc_event = 1;
} else if (strcmp(argv[0],"-tend") == 0 && argc > 1) {
argc--; argv++;
tend = atoi(argv[0]);
} else if (strcmp(argv[0],"-tstart") == 0 && argc > 1) {
argc--; argv++;
tstart = atoi(argv[0]);
} else if (strcmp(argv[0], "-bad_read_errno") == 0 && argc > 1) {
argc--; argv++;
bad_read_errno = atoi(argv[0]);
} else if (argc!=1) {
return usage(progname, N_RECORDS);
}
else {
break;
}
argc--; argv++;
}
const char* directory = TOKU_TEST_FILENAME;
char unlink_all[strlen(directory)+20];
snprintf(unlink_all, strlen(directory)+20, "rm -rf %s", directory);
int templen = strlen(directory)+15;
char tf_template[templen];
int tlen = snprintf(tf_template, templen, "%s/tempXXXXXX", directory);
assert (tlen>0 && tlen<templen);
char output_name[templen];
int olen = snprintf(output_name, templen, "%s/test.tokudb", directory);
assert (olen>0 && olen<templen);
// callibrate
int r;
r = system(unlink_all); CKERR(r);
r = toku_os_mkdir(directory, 0755); CKERR(r);
test(directory, false);
if (verbose) printf("my_malloc_count=%d big_count=%d\n", my_malloc_count, my_big_malloc_count);
{
int event_limit = event_count;
if (tend>=0 && tend<event_limit) event_limit=tend;
if (verbose) printf("event_limit=%d\n", event_limit);
for (int i = tstart+1; i <= event_limit; i++) {
reset_event_counts();
reset_my_malloc_counts();
event_count_trigger = i;
r = system(unlink_all); CKERR(r);
r = toku_os_mkdir(directory, 0755); CKERR(r);
if (verbose) printf("event=%d\n", i);
test(directory, true);
}
r = system(unlink_all); CKERR(r);
}
return 0;
}
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