]> git.ozlabs.org Git - ccan/blobdiff - ccan/ntdb/test/run-57-die-during-transaction.c
ccan/ntdb: demote to junkcode.
[ccan] / ccan / ntdb / test / run-57-die-during-transaction.c
diff --git a/ccan/ntdb/test/run-57-die-during-transaction.c b/ccan/ntdb/test/run-57-die-during-transaction.c
deleted file mode 100644 (file)
index 9a86fca..0000000
+++ /dev/null
@@ -1,322 +0,0 @@
-#include "../private.h"
-#include <unistd.h>
-#include "lock-tracking.h"
-#include "tap-interface.h"
-#include <stdlib.h>
-#include <assert.h>
-static ssize_t pwrite_check(int fd, const void *buf, size_t count, off_t offset);
-static ssize_t write_check(int fd, const void *buf, size_t count);
-static int ftruncate_check(int fd, off_t length);
-
-#define pwrite pwrite_check
-#define write write_check
-#define fcntl fcntl_with_lockcheck
-#define ftruncate ftruncate_check
-
-/* There's a malloc inside transaction_setup_recovery, and valgrind complains
- * when we longjmp and leak it. */
-#define MAX_ALLOCATIONS 10
-static void *allocated[MAX_ALLOCATIONS];
-static unsigned max_alloc = 0;
-
-static void *malloc_noleak(size_t len)
-{
-       unsigned int i;
-
-       for (i = 0; i < MAX_ALLOCATIONS; i++)
-               if (!allocated[i]) {
-                       allocated[i] = malloc(len);
-                       if (i > max_alloc) {
-                               max_alloc = i;
-                               diag("max_alloc: %i", max_alloc);
-                       }
-                       return allocated[i];
-               }
-       diag("Too many allocations!");
-       abort();
-}
-
-static void *realloc_noleak(void *p, size_t size)
-{
-       unsigned int i;
-
-       for (i = 0; i < MAX_ALLOCATIONS; i++) {
-               if (allocated[i] == p) {
-                       if (i > max_alloc) {
-                               max_alloc = i;
-                               diag("max_alloc: %i", max_alloc);
-                       }
-                       return allocated[i] = realloc(p, size);
-               }
-       }
-       diag("Untracked realloc!");
-       abort();
-}
-
-static void free_noleak(void *p)
-{
-       unsigned int i;
-
-       /* We don't catch asprintf, so don't complain if we miss one. */
-       for (i = 0; i < MAX_ALLOCATIONS; i++) {
-               if (allocated[i] == p) {
-                       allocated[i] = NULL;
-                       break;
-               }
-       }
-       free(p);
-}
-
-static void free_all(void)
-{
-       unsigned int i;
-
-       for (i = 0; i < MAX_ALLOCATIONS; i++) {
-               free(allocated[i]);
-               allocated[i] = NULL;
-       }
-}
-
-#define malloc malloc_noleak
-#define free(x) free_noleak(x)
-#define realloc realloc_noleak
-
-#include "ntdb-source.h"
-
-#undef malloc
-#undef free
-#undef realloc
-#undef write
-#undef pwrite
-#undef fcntl
-#undef ftruncate
-
-#include <stdbool.h>
-#include <stdarg.h>
-#include <ccan/err/err.h>
-#include <setjmp.h>
-#include "external-agent.h"
-#include "logging.h"
-#include "helprun-external-agent.h"
-
-static bool in_transaction;
-static int target, current;
-static jmp_buf jmpbuf;
-#define TEST_DBNAME "run-57-die-during-transaction.ntdb"
-#define KEY_STRING "helloworld"
-#define DATA_STRING "Helloworld"
-
-static void maybe_die(int fd)
-{
-       if (in_transaction && current++ == target) {
-               longjmp(jmpbuf, 1);
-       }
-}
-
-static ssize_t pwrite_check(int fd,
-                           const void *buf, size_t count, off_t offset)
-{
-       ssize_t ret;
-
-       maybe_die(fd);
-
-       ret = pwrite(fd, buf, count, offset);
-       if (ret != count)
-               return ret;
-
-       maybe_die(fd);
-       return ret;
-}
-
-static ssize_t write_check(int fd, const void *buf, size_t count)
-{
-       ssize_t ret;
-
-       maybe_die(fd);
-
-       ret = write(fd, buf, count);
-       if (ret != count)
-               return ret;
-
-       maybe_die(fd);
-       return ret;
-}
-
-static int ftruncate_check(int fd, off_t length)
-{
-       int ret;
-
-       maybe_die(fd);
-
-       ret = ftruncate(fd, length);
-
-       maybe_die(fd);
-       return ret;
-}
-
-static bool test_death(enum operation op, struct agent *agent,
-                      bool pre_create_recovery)
-{
-       struct ntdb_context *ntdb = NULL;
-       NTDB_DATA key, data;
-       enum agent_return ret;
-       int needed_recovery = 0;
-
-       current = target = 0;
-       /* Big long data to force a change. */
-       data = ntdb_mkdata(DATA_STRING, strlen(DATA_STRING));
-
-reset:
-       unlink(TEST_DBNAME);
-       ntdb = ntdb_open(TEST_DBNAME, NTDB_NOMMAP|MAYBE_NOSYNC,
-                        O_CREAT|O_TRUNC|O_RDWR, 0600, &tap_log_attr);
-       if (!ntdb) {
-               diag("Failed opening NTDB: %s", strerror(errno));
-               return false;
-       }
-
-       if (setjmp(jmpbuf) != 0) {
-               /* We're partway through.  Simulate our death. */
-               close(ntdb->file->fd);
-               forget_locking();
-               in_transaction = false;
-
-               ret = external_agent_operation(agent, NEEDS_RECOVERY, "");
-               if (ret == SUCCESS)
-                       needed_recovery++;
-               else if (ret != FAILED) {
-                       diag("Step %u agent NEEDS_RECOVERY = %s", current,
-                            agent_return_name(ret));
-                       return false;
-               }
-
-               /* Could be key, or data. */
-               ret = external_agent_operation(agent, op,
-                                              KEY_STRING "=" KEY_STRING);
-               if (ret != SUCCESS) {
-                       ret = external_agent_operation(agent, op,
-                                                      KEY_STRING
-                                                      "=" DATA_STRING);
-               }
-               if (ret != SUCCESS) {
-                       diag("Step %u op %s failed = %s", current,
-                            operation_name(op),
-                            agent_return_name(ret));
-                       return false;
-               }
-
-               ret = external_agent_operation(agent, NEEDS_RECOVERY, "");
-               if (ret != FAILED) {
-                       diag("Still needs recovery after step %u = %s",
-                            current, agent_return_name(ret));
-                       return false;
-               }
-
-               ret = external_agent_operation(agent, CHECK, "");
-               if (ret != SUCCESS) {
-                       diag("Step %u check failed = %s", current,
-                            agent_return_name(ret));
-                       return false;
-               }
-
-               ret = external_agent_operation(agent, CLOSE, "");
-               if (ret != SUCCESS) {
-                       diag("Step %u close failed = %s", current,
-                            agent_return_name(ret));
-                       return false;
-               }
-
-               /* Suppress logging as this tries to use closed fd. */
-               suppress_logging = true;
-               suppress_lockcheck = true;
-               ntdb_close(ntdb);
-               suppress_logging = false;
-               suppress_lockcheck = false;
-               target++;
-               current = 0;
-               free_all();
-               goto reset;
-       }
-
-       /* Put key for agent to fetch. */
-       key = ntdb_mkdata(KEY_STRING, strlen(KEY_STRING));
-
-       if (pre_create_recovery) {
-               /* Using a transaction now means we allocate the recovery
-                * area immediately.  That makes the later transaction smaller
-                * and thus tickles a bug we had. */
-               if (ntdb_transaction_start(ntdb) != 0)
-                       return false;
-       }
-       if (ntdb_store(ntdb, key, key, NTDB_INSERT) != 0)
-               return false;
-       if (pre_create_recovery) {
-               if (ntdb_transaction_commit(ntdb) != 0)
-                       return false;
-       }
-
-       /* This is the key we insert in transaction. */
-       key.dsize--;
-
-       ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
-       if (ret != SUCCESS)
-               errx(1, "Agent failed to open: %s", agent_return_name(ret));
-
-       ret = external_agent_operation(agent, FETCH, KEY_STRING "=" KEY_STRING);
-       if (ret != SUCCESS)
-               errx(1, "Agent failed find key: %s", agent_return_name(ret));
-
-       in_transaction = true;
-       if (ntdb_transaction_start(ntdb) != 0)
-               return false;
-
-       if (ntdb_store(ntdb, key, data, NTDB_INSERT) != 0)
-               return false;
-
-       if (ntdb_transaction_commit(ntdb) != 0)
-               return false;
-
-       in_transaction = false;
-
-       /* We made it! */
-       diag("Completed %u runs", current);
-       ntdb_close(ntdb);
-       ret = external_agent_operation(agent, CLOSE, "");
-       if (ret != SUCCESS) {
-               diag("Step %u close failed = %s", current,
-                    agent_return_name(ret));
-               return false;
-       }
-
-       ok1(needed_recovery);
-       ok1(locking_errors == 0);
-       ok1(forget_locking() == 0);
-       locking_errors = 0;
-       return true;
-}
-
-int main(int argc, char *argv[])
-{
-       enum operation ops[] = { FETCH, STORE, TRANSACTION_START };
-       struct agent *agent;
-       int i, j;
-
-       plan_tests(24);
-       unlock_callback = maybe_die;
-
-       external_agent_free = free_noleak;
-       agent = prepare_external_agent();
-       if (!agent)
-               err(1, "preparing agent");
-
-       for (j = 0; j < 2; j++) {
-               for (i = 0; i < sizeof(ops)/sizeof(ops[0]); i++) {
-                       diag("Testing %s after death (%s recovery area)",
-                            operation_name(ops[i]), j ? "with" : "without");
-                       ok1(test_death(ops[i], agent, j));
-               }
-       }
-
-       free_external_agent(agent);
-       return exit_status();
-}