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/*-
* Public Domain 2014-2020 MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "test_util.h"
#include <signal.h>
static const char *const uri = "table:large";
#define DATASIZE (1024 * 1024)
#define MODIFY_COUNT (1024)
#define NUM_DOCS 2
static void on_alarm(int) WT_GCC_FUNC_DECL_ATTRIBUTE((noreturn));
static void
on_alarm(int signo)
{
(void)signo; /* Unused parameter */
fprintf(stderr, "cursor->modify timed out \n");
abort();
/* NOTREACHED */
}
static int ignore_errors = 0;
static int
handle_error(WT_EVENT_HANDLER *handler, WT_SESSION *session, int error, const char *message)
{
(void)(handler);
/* Skip the error messages we're expecting to see. */
if (ignore_errors > 0 && (strstr(message, "requires key be set") != NULL ||
strstr(message, "requires value be set") != NULL)) {
--ignore_errors;
return (0);
}
(void)fprintf(stderr, "%s: %s\n", message, session->strerror(session, error));
return (0);
}
static WT_EVENT_HANDLER event_handler = {handle_error, NULL, NULL, NULL};
int
main(int argc, char *argv[])
{
TEST_OPTS *opts, _opts;
WT_CURSOR *c;
WT_ITEM value;
WT_MODIFY modify_entry;
WT_SESSION *session, *session2;
uint64_t i, j, offset;
char *large_doc;
opts = &_opts;
memset(opts, 0, sizeof(*opts));
testutil_check(testutil_parse_opts(argc, argv, opts));
testutil_make_work_dir(opts->home);
testutil_check(wiredtiger_open(opts->home, &event_handler,
"create,"
"cache_size=1G,"
"statistics_log=(json,wait=1)",
&opts->conn));
testutil_check(opts->conn->open_session(opts->conn, NULL, NULL, &session));
testutil_check(session->create(session, uri,
"key_format=Q,value_format=u,"
"leaf_item_max=64M,leaf_page_max=32k,memory_page_max=1M"));
testutil_check(session->open_cursor(session, uri, NULL, NULL, &c));
/* Value is initialized with 'v' and has not significance to it. */
large_doc = dmalloc(DATASIZE);
memset(large_doc, 'v', DATASIZE);
value.data = large_doc;
value.size = DATASIZE;
/* Insert records. */
for (i = 0; i < NUM_DOCS; i++) {
c->set_key(c, i);
c->set_value(c, &value);
testutil_check(c->insert(c));
}
testutil_check(c->close(c));
if (opts->verbose)
printf("%d documents inserted\n", NUM_DOCS);
/* Setup Transaction to pin the cache */
testutil_check(session->begin_transaction(session, "isolation=snapshot"));
/* Set an alarm so we can debug hangs. */
(void)signal(SIGALRM, on_alarm);
/* Start another session to perform small updates. */
testutil_check(opts->conn->open_session(opts->conn, NULL, NULL, &session2));
testutil_check(session2->open_cursor(session2, uri, NULL, NULL, &c));
j = offset = 0;
while (++j < MODIFY_COUNT) {
for (i = 0; i < NUM_DOCS; i++) {
/* Position the cursor. */
testutil_check(session2->begin_transaction(session2, "isolation=snapshot"));
c->set_key(c, i);
modify_entry.data.data = "abcdefghijklmnopqrstuvwxyz";
modify_entry.data.size = strlen(modify_entry.data.data);
modify_entry.offset = offset;
modify_entry.size = modify_entry.data.size;
/* FIXME-WT-6113: extend timeout to pass the test */
(void)alarm(7);
testutil_check(c->modify(c, &modify_entry, 1));
(void)alarm(0);
testutil_check(session2->commit_transaction(session2, NULL));
}
/*
* Modify operations are done similar to append sequence. This has no bearing on the test
* outcome.
*/
offset += modify_entry.data.size;
offset = offset < DATASIZE ? offset : 0;
if (opts->verbose)
printf("modify count %" PRIu64 "\n", j * NUM_DOCS);
}
free(large_doc);
testutil_cleanup(opts);
return (EXIT_SUCCESS);
}
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