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[t:2499] Induce ENOSPC return from toku_os_write().

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git-svn-id: file:///svn/toku/tokudb@20221 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Barry Perlman 2013-04-16 23:59:12 -04:00 • committed by Yoni Fogel
parent 061de97e14
commit eaa5564cbd
1 changed files with 29 additions and 34 deletions
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63
src/tests/loader-cleanup-test.c
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@ -5,8 +5,7 @@
/* TODO: /* TODO:
* *
* When loader is fixed to not crash on failed call to toku_os_write(), * When ready, add simulated errors on calls to pwrite() and malloc()
* get rid of INDUCE_BAD_WRITE and -e argument.
* *
*/ */
@ -65,7 +64,6 @@ int NUM_ROWS=100000;
//static int NUM_ROWS=50000000; //static int NUM_ROWS=50000000;
int CHECK_RESULTS=0; int CHECK_RESULTS=0;
int USE_PUTS=0; int USE_PUTS=0;
int INDUCE_BAD_WRITE=0;
int assert_temp_files = 0; int assert_temp_files = 0;
enum {MAGIC=311}; enum {MAGIC=311};
@ -568,20 +566,22 @@ static void run_test(enum test_type t, int trigger)
generate_permute_tables(); generate_permute_tables();
write_count_trigger = 0;
fwrite_count_trigger = 0;
fwrite_count = fwrite_enospc = 0; fwrite_count = fwrite_enospc = 0;
write_count = write_enospc = 0; write_count = write_enospc = 0;
if (t == enospc_f) if (t == enospc_f) {
fwrite_count_trigger = trigger; fwrite_count_trigger = trigger;
else }
fwrite_count_trigger = 0; else if (t == enospc_w) {
if (t == enospc_w)
write_count_trigger = trigger; write_count_trigger = trigger;
else }
write_count_trigger = 0;
db_env_set_func_loader_fwrite(bad_fwrite); db_env_set_func_loader_fwrite(bad_fwrite);
db_env_set_func_write(bad_write); db_env_set_func_write(bad_write);
if (t == enospc_w && trigger == 1)
printf("Inducing enospc on first call to toku_os_write()\n");
test_loader(t, dbs); test_loader(t, dbs);
for(int i=0;i<NUM_DBS;i++) { for(int i=0;i<NUM_DBS;i++) {
@ -611,34 +611,32 @@ static void run_all_tests(void) {
if (verbose) printf("\n\nTesting loader with loader close and txn abort\n"); if (verbose) printf("\n\nTesting loader with loader close and txn abort\n");
run_test(abort_txn, 0); run_test(abort_txn, 0);
if (INDUCE_BAD_WRITE) { enum test_type t[2] = {enospc_f, enospc_w};
int i; char * write_type[2] = {"fwrite", "write"};
for (i = 1; i < 5; i++) { int * nomp[2] = {&fwrite_count_nominal, &write_count_nominal};
trigger = write_count_nominal / i; int j;
if (verbose) printf("\n\nTesting loader with enospc induced at write count %d\n", trigger); for (j = 0; j<2; j++) {
run_test(enospc_w, trigger); int nominal = *(nomp[j]);
} printf("\nNow test with induced ENOSPC errors returned from %s, nominal = %d\n", write_type[j], nominal);
}
{
int i; int i;
// induce write error at beginning of process // induce write error at beginning of process
for (i = 1; i < 5 * NUM_DBS && i < fwrite_count_nominal; i++) { for (i = 1; i < 5 * NUM_DBS && i < nominal; i++) {
trigger = i; trigger = i;
if (verbose) printf("\n\nTesting loader with enospc induced at fwrite count %d\n", trigger); if (verbose) printf("\n\nTesting loader with enospc induced at %s count %d\n", write_type[j], trigger);
run_test(enospc_f, trigger); run_test(t[j], trigger);
} }
// induce write error sprinkled through process // induce write error sprinkled through process
for (i = 2; i < 5 && i < fwrite_count_nominal; i++) { for (i = 2; i < 5 && i < nominal; i++) {
trigger = fwrite_count_nominal / i; trigger = nominal / i;
if (verbose) printf("\n\nTesting loader with enospc induced at fwrite count %d\n", trigger); if (verbose) printf("\n\nTesting loader with enospc induced at %s count %d\n", write_type[j], trigger);
run_test(enospc_f, trigger); run_test(t[j], trigger);
} }
// induce write error at end of process // induce write error at end of process
for (i = 0; i < 5 * NUM_DBS && i < fwrite_count_nominal; i++) { for (i = 0; i < 5 * NUM_DBS && i < nominal; i++) {
trigger = fwrite_count_nominal - i; trigger = nominal - i;
assert(trigger > 0); assert(trigger > 0);
if (verbose) printf("\n\nTesting loader with enospc induced at fwrite count %d\n", trigger); if (verbose) printf("\n\nTesting loader with enospc induced at %s count %d\n", write_type[j], trigger);
run_test(enospc_f, trigger); run_test(t[j], trigger);
} }
} }
} }
@ -671,7 +669,7 @@ static void do_args(int argc, char * const argv[]) {
} else if (strcmp(argv[0], "-h")==0) { } else if (strcmp(argv[0], "-h")==0) {
resultcode=0; resultcode=0;
do_usage: do_usage:
fprintf(stderr, "Usage: -h -c -d <num_dbs> -r <num_rows>\n%s\n", cmd); fprintf(stderr, "Usage: -h -c -s -p -d <num_dbs> -r <num_rows>\n%s\n", cmd);
exit(resultcode); exit(resultcode);
} else if (strcmp(argv[0], "-d")==0) { } else if (strcmp(argv[0], "-d")==0) {
argc--; argv++; argc--; argv++;
@ -689,9 +687,6 @@ static void do_args(int argc, char * const argv[]) {
} else if (strcmp(argv[0], "-p")==0) { } else if (strcmp(argv[0], "-p")==0) {
USE_PUTS = LOADER_USE_PUTS; USE_PUTS = LOADER_USE_PUTS;
printf("Using puts\n"); printf("Using puts\n");
} else if (strcmp(argv[0], "-e")==0) {
INDUCE_BAD_WRITE = 1;
printf("Using enospc return from toku_os_write()\n");
} else { } else {
fprintf(stderr, "Unknown arg: %s\n", argv[0]); fprintf(stderr, "Unknown arg: %s\n", argv[0]);
resultcode=1; resultcode=1;