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Diffstat (limited to '')
| -rw-r--r-- | test/run-incompatible.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/test/run-incompatible.c b/test/run-incompatible.c new file mode 100644 index 0000000..5f1b586 --- /dev/null +++ b/test/run-incompatible.c @@ -0,0 +1,188 @@ +#include "../common/tdb_private.h" +#include "../common/io.c" +#include "../common/tdb.c" +#include "../common/lock.c" +#include "../common/freelist.c" +#include "../common/traverse.c" +#include "../common/transaction.c" +#include "../common/error.c" +#include "../common/open.c" +#include "../common/check.c" +#include "../common/hash.c" +#include "../common/mutex.c" +#include "tap-interface.h" +#include <stdlib.h> + +static unsigned int tdb_dumb_hash(TDB_DATA *key) +{ + return key->dsize; +} + +static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...) +{ + unsigned int *count = tdb_get_logging_private(tdb); + if (strstr(fmt, "hash")) + (*count)++; +} + +static unsigned int hdr_rwlocks(const char *fname) +{ + struct tdb_header hdr; + ssize_t nread; + + int fd = open(fname, O_RDONLY); + if (fd == -1) + return -1; + + nread = read(fd, &hdr, sizeof(hdr)); + close(fd); + if (nread != sizeof(hdr)) { + return -1; + } + return hdr.rwlocks; +} + +int main(int argc, char *argv[]) +{ + struct tdb_context *tdb; + unsigned int log_count, flags; + TDB_DATA d, r; + struct tdb_logging_context log_ctx = { log_fn, &log_count }; + + plan_tests(38 * 2); + + for (flags = 0; flags <= TDB_CONVERT; flags += TDB_CONVERT) { + unsigned int rwmagic = TDB_HASH_RWLOCK_MAGIC; + + if (flags & TDB_CONVERT) + tdb_convert(&rwmagic, sizeof(rwmagic)); + + /* Create an old-style hash. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, flags, + O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx, + NULL); + ok1(tdb); + ok1(log_count == 0); + d.dptr = discard_const_p(uint8_t, "Hello"); + d.dsize = 5; + ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0); + tdb_close(tdb); + + /* Should not have marked rwlocks field. */ + ok1(hdr_rwlocks("run-incompatible.tdb") == 0); + + /* We can still open any old-style with incompat flag. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, + TDB_INCOMPATIBLE_HASH, + O_RDWR, 0600, &log_ctx, NULL); + ok1(tdb); + ok1(log_count == 0); + r = tdb_fetch(tdb, d); + ok1(r.dsize == 5); + free(r.dptr); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + + log_count = 0; + tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDONLY, + 0, &log_ctx, tdb_jenkins_hash); + ok1(tdb); + ok1(log_count == 0); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + + log_count = 0; + tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDONLY, + 0, &log_ctx, tdb_jenkins_hash); + ok1(tdb); + ok1(log_count == 0); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + + /* OK, now create with incompatible flag, default hash. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, + flags|TDB_INCOMPATIBLE_HASH, + O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx, + NULL); + ok1(tdb); + ok1(log_count == 0); + d.dptr = discard_const_p(uint8_t, "Hello"); + d.dsize = 5; + ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0); + tdb_close(tdb); + + /* Should have marked rwlocks field. */ + ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic); + + /* Cannot open with old hash. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, + O_RDWR, 0600, &log_ctx, tdb_old_hash); + ok1(!tdb); + ok1(log_count == 1); + + /* Can open with jenkins hash. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, + O_RDWR, 0600, &log_ctx, tdb_jenkins_hash); + ok1(tdb); + ok1(log_count == 0); + r = tdb_fetch(tdb, d); + ok1(r.dsize == 5); + free(r.dptr); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + + /* Can open by letting it figure it out itself. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, + O_RDWR, 0600, &log_ctx, NULL); + ok1(tdb); + ok1(log_count == 0); + r = tdb_fetch(tdb, d); + ok1(r.dsize == 5); + free(r.dptr); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + + /* We can also use incompatible hash with other hashes. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, + flags|TDB_INCOMPATIBLE_HASH, + O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx, + tdb_dumb_hash); + ok1(tdb); + ok1(log_count == 0); + d.dptr = discard_const_p(uint8_t, "Hello"); + d.dsize = 5; + ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0); + tdb_close(tdb); + + /* Should have marked rwlocks field. */ + ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic); + + /* It should not open if we don't specify. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0, + &log_ctx, NULL); + ok1(!tdb); + ok1(log_count == 1); + + /* Should reopen with correct hash. */ + log_count = 0; + tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0, + &log_ctx, tdb_dumb_hash); + ok1(tdb); + ok1(log_count == 0); + r = tdb_fetch(tdb, d); + ok1(r.dsize == 5); + free(r.dptr); + ok1(tdb_check(tdb, NULL, NULL) == 0); + tdb_close(tdb); + } + + return exit_status(); +} |