3 #include "lock-tracking.h"
4 #include "tap-interface.h"
7 static ssize_t pwrite_check(int fd, const void *buf, size_t count, off_t offset);
8 static ssize_t write_check(int fd, const void *buf, size_t count);
9 static int ftruncate_check(int fd, off_t length);
11 #define pwrite pwrite_check
12 #define write write_check
13 #define fcntl fcntl_with_lockcheck
14 #define ftruncate ftruncate_check
16 /* There's a malloc inside transaction_setup_recovery, and valgrind complains
17 * when we longjmp and leak it. */
18 #define MAX_ALLOCATIONS 10
19 static void *allocated[MAX_ALLOCATIONS];
20 static unsigned max_alloc = 0;
22 static void *malloc_noleak(size_t len)
26 for (i = 0; i < MAX_ALLOCATIONS; i++)
28 allocated[i] = malloc(len);
31 diag("max_alloc: %i", max_alloc);
35 diag("Too many allocations!");
39 static void *realloc_noleak(void *p, size_t size)
43 for (i = 0; i < MAX_ALLOCATIONS; i++) {
44 if (allocated[i] == p) {
47 diag("max_alloc: %i", max_alloc);
49 return allocated[i] = realloc(p, size);
52 diag("Untracked realloc!");
56 static void free_noleak(void *p)
60 /* We don't catch asprintf, so don't complain if we miss one. */
61 for (i = 0; i < MAX_ALLOCATIONS; i++) {
62 if (allocated[i] == p) {
70 static void free_all(void)
74 for (i = 0; i < MAX_ALLOCATIONS; i++) {
80 #define malloc malloc_noleak
81 #define free(x) free_noleak(x)
82 #define realloc realloc_noleak
84 #include "ntdb-source.h"
96 #include <ccan/err/err.h>
98 #include "external-agent.h"
101 static bool in_transaction;
102 static int target, current;
103 static jmp_buf jmpbuf;
104 #define TEST_DBNAME "run-57-die-during-transaction.ntdb"
105 #define KEY_STRING "helloworld"
106 #define DATA_STRING "Helloworld"
108 static void maybe_die(int fd)
110 if (in_transaction && current++ == target) {
115 static ssize_t pwrite_check(int fd,
116 const void *buf, size_t count, off_t offset)
122 ret = pwrite(fd, buf, count, offset);
130 static ssize_t write_check(int fd, const void *buf, size_t count)
136 ret = write(fd, buf, count);
144 static int ftruncate_check(int fd, off_t length)
150 ret = ftruncate(fd, length);
156 static bool test_death(enum operation op, struct agent *agent,
157 bool pre_create_recovery)
159 struct ntdb_context *ntdb = NULL;
161 enum agent_return ret;
162 int needed_recovery = 0;
164 current = target = 0;
165 /* Big long data to force a change. */
166 data = ntdb_mkdata(DATA_STRING, strlen(DATA_STRING));
170 ntdb = ntdb_open(TEST_DBNAME, NTDB_NOMMAP|MAYBE_NOSYNC,
171 O_CREAT|O_TRUNC|O_RDWR, 0600, &tap_log_attr);
173 diag("Failed opening NTDB: %s", strerror(errno));
177 if (setjmp(jmpbuf) != 0) {
178 /* We're partway through. Simulate our death. */
179 close(ntdb->file->fd);
181 in_transaction = false;
183 ret = external_agent_operation(agent, NEEDS_RECOVERY, "");
186 else if (ret != FAILED) {
187 diag("Step %u agent NEEDS_RECOVERY = %s", current,
188 agent_return_name(ret));
192 /* Could be key, or data. */
193 ret = external_agent_operation(agent, op,
194 KEY_STRING "=" KEY_STRING);
195 if (ret != SUCCESS) {
196 ret = external_agent_operation(agent, op,
200 if (ret != SUCCESS) {
201 diag("Step %u op %s failed = %s", current,
203 agent_return_name(ret));
207 ret = external_agent_operation(agent, NEEDS_RECOVERY, "");
209 diag("Still needs recovery after step %u = %s",
210 current, agent_return_name(ret));
214 ret = external_agent_operation(agent, CHECK, "");
215 if (ret != SUCCESS) {
216 diag("Step %u check failed = %s", current,
217 agent_return_name(ret));
221 ret = external_agent_operation(agent, CLOSE, "");
222 if (ret != SUCCESS) {
223 diag("Step %u close failed = %s", current,
224 agent_return_name(ret));
228 /* Suppress logging as this tries to use closed fd. */
229 suppress_logging = true;
230 suppress_lockcheck = true;
232 suppress_logging = false;
233 suppress_lockcheck = false;
240 /* Put key for agent to fetch. */
241 key = ntdb_mkdata(KEY_STRING, strlen(KEY_STRING));
243 if (pre_create_recovery) {
244 /* Using a transaction now means we allocate the recovery
245 * area immediately. That makes the later transaction smaller
246 * and thus tickles a bug we had. */
247 if (ntdb_transaction_start(ntdb) != 0)
250 if (ntdb_store(ntdb, key, key, NTDB_INSERT) != 0)
252 if (pre_create_recovery) {
253 if (ntdb_transaction_commit(ntdb) != 0)
257 /* This is the key we insert in transaction. */
260 ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
262 errx(1, "Agent failed to open: %s", agent_return_name(ret));
264 ret = external_agent_operation(agent, FETCH, KEY_STRING "=" KEY_STRING);
266 errx(1, "Agent failed find key: %s", agent_return_name(ret));
268 in_transaction = true;
269 if (ntdb_transaction_start(ntdb) != 0)
272 if (ntdb_store(ntdb, key, data, NTDB_INSERT) != 0)
275 if (ntdb_transaction_commit(ntdb) != 0)
278 in_transaction = false;
281 diag("Completed %u runs", current);
283 ret = external_agent_operation(agent, CLOSE, "");
284 if (ret != SUCCESS) {
285 diag("Step %u close failed = %s", current,
286 agent_return_name(ret));
290 ok1(needed_recovery);
291 ok1(locking_errors == 0);
292 ok1(forget_locking() == 0);
297 int main(int argc, char *argv[])
299 enum operation ops[] = { FETCH, STORE, TRANSACTION_START };
304 unlock_callback = maybe_die;
306 external_agent_free = free_noleak;
307 agent = prepare_external_agent();
309 err(1, "preparing agent");
311 for (j = 0; j < 2; j++) {
312 for (i = 0; i < sizeof(ops)/sizeof(ops[0]); i++) {
313 diag("Testing %s after death (%s recovery area)",
314 operation_name(ops[i]), j ? "with" : "without");
315 ok1(test_death(ops[i], agent, j));
319 free_external_agent(agent);
320 return exit_status();