/* lock entire database with write lock */
int tdb_lockall(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_lockall\n");
+ tdb_trace(tdb, "tdb_lockall");
return _tdb_lockall(tdb, F_WRLCK, F_SETLKW);
}
/* lock entire database with write lock - mark only */
int tdb_lockall_mark(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_lockall_mark\n");
+ tdb_trace(tdb, "tdb_lockall_mark");
return _tdb_lockall(tdb, F_WRLCK | TDB_MARK_LOCK, F_SETLKW);
}
/* unlock entire database with write lock - unmark only */
int tdb_lockall_unmark(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_lockall_unmark\n");
+ tdb_trace(tdb, "tdb_lockall_unmark");
return _tdb_unlockall(tdb, F_WRLCK | TDB_MARK_LOCK);
}
int tdb_lockall_nonblock(struct tdb_context *tdb)
{
int ret = _tdb_lockall(tdb, F_WRLCK, F_SETLK);
- tdb_trace(tdb, "tdb_lockall_nonblock = %i\n", ret);
+ tdb_trace_ret(tdb, "tdb_lockall_nonblock", ret);
return ret;
}
/* unlock entire database with write lock */
int tdb_unlockall(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_unlockall\n");
+ tdb_trace(tdb, "tdb_unlockall");
return _tdb_unlockall(tdb, F_WRLCK);
}
/* lock entire database with read lock */
int tdb_lockall_read(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_lockall_read\n");
+ tdb_trace(tdb, "tdb_lockall_read");
return _tdb_lockall(tdb, F_RDLCK, F_SETLKW);
}
int tdb_lockall_read_nonblock(struct tdb_context *tdb)
{
int ret = _tdb_lockall(tdb, F_RDLCK, F_SETLK);
- tdb_trace(tdb, "tdb_lockall_read_nonblock = %i\n", ret);
+ tdb_trace_ret(tdb, "tdb_lockall_read_nonblock", ret);
return ret;
}
/* unlock entire database with read lock */
int tdb_unlockall_read(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_unlockall_read\n");
+ tdb_trace(tdb, "tdb_unlockall_read");
return _tdb_unlockall(tdb, F_RDLCK);
}
contention - it cannot guarantee how many records will be locked */
int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainlock ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
- return tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK);
+ int ret = tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK);
+ tdb_trace_1rec(tdb, "tdb_chainlock", key);
+ return ret;
}
/* lock/unlock one hash chain, non-blocking. This is meant to be used
int tdb_chainlock_nonblock(struct tdb_context *tdb, TDB_DATA key)
{
int ret = tdb_lock_nonblock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK);
- tdb_trace(tdb, "tdb_chainlock_nonblock ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= %i\n", ret);
+ tdb_trace_1rec_ret(tdb, "tdb_chainlock_nonblock", key, ret);
return ret;
}
/* mark a chain as locked without actually locking it. Warning! use with great caution! */
int tdb_chainlock_mark(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainlock_mark ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
- return tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK | TDB_MARK_LOCK);
+ int ret = tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK | TDB_MARK_LOCK);
+ tdb_trace_1rec(tdb, "tdb_chainlock_mark", key);
+ return ret;
}
/* unmark a chain as locked without actually locking it. Warning! use with great caution! */
int tdb_chainlock_unmark(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainlock_unmark ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
+ tdb_trace_1rec(tdb, "tdb_chainlock_unmark", key);
return tdb_unlock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK | TDB_MARK_LOCK);
}
int tdb_chainunlock(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainunlock ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
+ tdb_trace_1rec(tdb, "tdb_chainlock", key);
return tdb_unlock(tdb, BUCKET(tdb->hash_fn(&key)), F_WRLCK);
}
int tdb_chainlock_read(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainlock_read ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
- return tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_RDLCK);
+ int ret;
+ ret = tdb_lock(tdb, BUCKET(tdb->hash_fn(&key)), F_RDLCK);
+ tdb_trace_1rec(tdb, "tdb_chainlock_read", key);
+ return ret;
}
int tdb_chainunlock_read(struct tdb_context *tdb, TDB_DATA key)
{
- tdb_trace(tdb, "tdb_chainunlock_read ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
+ tdb_trace_1rec(tdb, "tdb_chainunlock_read", key);
return tdb_unlock(tdb, BUCKET(tdb->hash_fn(&key)), F_RDLCK);
}
-
-
/* record lock stops delete underneath */
int tdb_lock_record(struct tdb_context *tdb, tdb_off_t off)
{
goto fail;
}
-#ifdef TDB_TRACE
- if (!(tdb_flags & TDB_INTERNAL)) {
- sprintf(tracefile, "%s.trace.%u", name, getpid());
- tdb->tracefd = open(tracefile, O_WRONLY|O_CREAT|O_EXCL, 0600);
- if (tdb->tracefd < 0)
- goto fail;
- tdb_trace(tdb, "tdb_open %s %u %#x %#x %p\n",
- name, hash_size, tdb_flags, open_flags, hash_fn);
- } else
- /* All writes will fail. That's OK. */
- tdb->tracefd = -1;
-#endif
-
tdb_io_init(tdb);
tdb->fd = -1;
tdb->name = NULL;
TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: tdb_new_database failed!"));
goto fail;
}
+#ifdef TDB_TRACE
+ /* All tracing will fail. That's ok. */
+ tdb->tracefd = -1;
+#endif
goto internal;
}
goto fail;
}
+#ifdef TDB_TRACE
+ sprintf(tracefile, "%s.trace.%u", name, getpid());
+ tdb->tracefd = open(tracefile, O_WRONLY|O_CREAT|O_EXCL, 0600);
+ if (tdb->tracefd < 0)
+ goto fail;
+ tdb_enable_seqnum(tdb);
+ tdb_trace_open(tdb, "tdb_open", hash_size, tdb_flags, open_flags);
+#endif
+
internal:
/* Internal (memory-only) databases skip all the code above to
* do with disk files, and resume here by releasing their
struct tdb_context **i;
int ret = 0;
- tdb_trace(tdb, "tdb_close\n");
+ tdb_trace(tdb, "tdb_close");
if (tdb->transaction) {
tdb_transaction_cancel_internal(tdb);
}
* then the TDB_DATA will have zero length but
* a non-zero pointer
*/
-TDB_DATA tdb_fetch(struct tdb_context *tdb, TDB_DATA key)
+static TDB_DATA do_tdb_fetch(struct tdb_context *tdb, TDB_DATA key)
{
tdb_off_t rec_ptr;
struct list_struct rec;
/* find which hash bucket it is in */
hash = tdb->hash_fn(&key);
if (!(rec_ptr = tdb_find_lock_hash(tdb,key,hash,F_RDLCK,&rec))) {
- tdb_trace(tdb, "tdb_fetch ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= ENOENT\n");
return tdb_null;
}
ret.dptr = tdb_alloc_read(tdb, rec_ptr + sizeof(rec) + rec.key_len,
rec.data_len);
ret.dsize = rec.data_len;
tdb_unlock(tdb, BUCKET(rec.full_hash), F_RDLCK);
- tdb_trace(tdb, "tdb_fetch ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= ");
- tdb_trace_record(tdb, ret);
- tdb_trace(tdb, "\n");
+ return ret;
+}
+
+TDB_DATA tdb_fetch(struct tdb_context *tdb, TDB_DATA key)
+{
+ TDB_DATA ret = do_tdb_fetch(tdb, key);
+
+ tdb_trace_1rec_retrec(tdb, "tdb_fetch", key, ret);
return ret;
}
hash = tdb->hash_fn(&key);
if (!(rec_ptr = tdb_find_lock_hash(tdb,key,hash,F_RDLCK,&rec))) {
- tdb_trace(tdb, "tdb_parse_record ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= ENOENT\n");
+ tdb_trace_1rec_ret(tdb, "tdb_parse_record", key,
+ -TDB_ERR_NOEXIST);
return TDB_ERRCODE(TDB_ERR_NOEXIST, 0);
}
-
- tdb_trace(tdb, "tdb_parse_record ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= %u\n", rec.data_len);
+ tdb_trace_1rec_ret(tdb, "tdb_parse_record", key, 0);
ret = tdb_parse_data(tdb, key, rec_ptr + sizeof(rec) + rec.key_len,
rec.data_len, parser, private_data);
int ret;
ret = tdb_exists_hash(tdb, key, hash);
- tdb_trace(tdb, "tdb_exists ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= %i\n", ret);
+ tdb_trace_1rec_ret(tdb, "tdb_exists", key, ret);
return ret;
}
int ret;
ret = tdb_delete_hash(tdb, key, hash);
- tdb_trace(tdb, "tdb_delete ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "= %s\n", ret ? "ENOENT" : "0");
+ tdb_trace_1rec_ret(tdb, "tdb_delete", key, ret);
return ret;
}
return 0;
}
-/* store an element in the database, replacing any existing element
- with the same key
-
- return 0 on success, -1 on failure
-*/
-int tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag)
+static int _tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
+ int flag, uint32_t hash)
{
struct list_struct rec;
- uint32_t hash;
tdb_off_t rec_ptr;
char *p = NULL;
int ret = -1;
- if (tdb->read_only || tdb->traverse_read) {
- tdb->ecode = TDB_ERR_RDONLY;
- return -1;
- }
-
- /* find which hash bucket it is in */
- hash = tdb->hash_fn(&key);
- if (tdb_lock(tdb, BUCKET(hash), F_WRLCK) == -1)
- return -1;
-
- tdb_trace(tdb, "tdb_store %s ", flag == TDB_INSERT ? "insert" :
- flag == TDB_MODIFY ? "modify" : "normal");
- tdb_trace_record(tdb, key);
- tdb_trace_record(tdb, dbuf);
-
/* check for it existing, on insert. */
if (flag == TDB_INSERT) {
if (tdb_exists_hash(tdb, key, hash)) {
tdb->ecode = TDB_ERR_EXISTS;
- tdb_trace(tdb, "= EEXIST\n");
goto fail;
}
} else {
/* first try in-place update, on modify or replace. */
if (tdb_update_hash(tdb, key, hash, dbuf) == 0) {
- tdb_trace(tdb, "= inplace\n");
goto done;
}
if (tdb->ecode == TDB_ERR_NOEXIST &&
flag == TDB_MODIFY) {
/* if the record doesn't exist and we are in TDB_MODIFY mode then
we should fail the store */
- tdb_trace(tdb, "= ENOENT\n");
goto fail;
}
}
goto fail;
}
goto done;
- tdb_trace(tdb, "= fromdead\n");
}
}
rec.full_hash = hash;
rec.magic = TDB_MAGIC;
- tdb_trace(tdb, "= allocate\n");
-
/* write out and point the top of the hash chain at it */
if (tdb_rec_write(tdb, rec_ptr, &rec) == -1
|| tdb->methods->tdb_write(tdb, rec_ptr+sizeof(rec), p, key.dsize+dbuf.dsize)==-1
}
SAFE_FREE(p);
+ return ret;
+}
+
+/* store an element in the database, replacing any existing element
+ with the same key
+
+ return 0 on success, -1 on failure
+*/
+int tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag)
+{
+ uint32_t hash;
+ int ret;
+
+ if (tdb->read_only || tdb->traverse_read) {
+ tdb->ecode = TDB_ERR_RDONLY;
+ tdb_trace_2rec_flag_ret(tdb, "tdb_store", key, dbuf, flag,
+ -TDB_ERR_RDONLY);
+ return -1;
+ }
+
+ /* find which hash bucket it is in */
+ hash = tdb->hash_fn(&key);
+ if (tdb_lock(tdb, BUCKET(hash), F_WRLCK) == -1)
+ return -1;
+
+ ret = _tdb_store(tdb, key, dbuf, flag, hash);
+ tdb_trace_2rec_flag_ret(tdb, "tdb_store", key, dbuf, flag, ret);
tdb_unlock(tdb, BUCKET(hash), F_WRLCK);
return ret;
}
if (tdb_lock(tdb, BUCKET(hash), F_WRLCK) == -1)
return -1;
- dbuf = tdb_fetch(tdb, key);
- tdb_trace(tdb, "tdb_append ");
- tdb_trace_record(tdb, key);
- tdb_trace_record(tdb, dbuf);
- tdb_trace(tdb, "= %s\n", dbuf.dptr ? "insert" : "append");
+ dbuf = do_tdb_fetch(tdb, key);
if (dbuf.dptr == NULL) {
dbuf.dptr = (unsigned char *)malloc(new_dbuf.dsize);
memcpy(dbuf.dptr + dbuf.dsize, new_dbuf.dptr, new_dbuf.dsize);
dbuf.dsize += new_dbuf.dsize;
- ret = tdb_store(tdb, key, dbuf, 0);
+ ret = _tdb_store(tdb, key, dbuf, 0, hash);
+ tdb_trace_2rec_retrec(tdb, "tdb_append", key, new_dbuf, dbuf);
failed:
tdb_unlock(tdb, BUCKET(hash), F_WRLCK);
tdb_off_t seqnum=0;
tdb_ofs_read(tdb, TDB_SEQNUM_OFS, &seqnum);
- tdb_trace(tdb, "tdb_get_seqnum = %u\n", seqnum);
+ tdb_trace_ret(tdb, "tdb_get_seqnum", seqnum);
return seqnum;
}
return -1;
}
- tdb_trace(tdb, "tdb_wipe_all\n");
+ tdb_trace(tdb, "tdb_wipe_all");
/* see if the tdb has a recovery area, and remember its size
if so. We don't want to lose this as otherwise each
}
#ifdef TDB_TRACE
-#include <stdarg.h>
+static void tdb_trace_write(struct tdb_context *tdb, const char *str)
+{
+ if (write(tdb->tracefd, str, strlen(str)) != strlen(str)) {
+ close(tdb->tracefd);
+ tdb->tracefd = -1;
+ }
+}
-void tdb_trace(const struct tdb_context *tdb, const char *fmt, ...)
+static void tdb_trace_start(struct tdb_context *tdb)
{
- char msg[256];
- va_list args;
- int len, err;
+ tdb_off_t seqnum=0;
+ char msg[sizeof(tdb_off_t) * 4];
+
+ tdb_ofs_read(tdb, TDB_SEQNUM_OFS, &seqnum);
+ sprintf(msg, "%u ", seqnum);
+ tdb_trace_write(tdb, msg);
+}
- va_start(args, fmt);
- len = vsprintf(msg, fmt, args);
- va_end(args);
+static void tdb_trace_end(struct tdb_context *tdb)
+{
+ tdb_trace_write(tdb, "\n");
+}
- err = write(tdb->tracefd, msg, len);
+static void tdb_trace_end_ret(struct tdb_context *tdb, int ret)
+{
+ char msg[sizeof(ret) * 4];
+ sprintf(msg, " = %i\n", ret);
+ tdb_trace_write(tdb, msg);
}
-void tdb_trace_record(const struct tdb_context *tdb, TDB_DATA rec)
+static void tdb_trace_record(struct tdb_context *tdb, TDB_DATA rec)
{
char msg[20];
unsigned int i;
- int err;
- err = write(tdb->tracefd, msg, sprintf(msg, "%zu:", rec.dsize));
- for (i = 0; i < rec.dsize; i++)
- err += write(tdb->tracefd, msg, sprintf(msg, "%02x",
- rec.dptr[i]));
- err += write(tdb->tracefd, " ", 1);
+ /* We differentiate zero-length records from non-existent ones. */
+ if (rec.dptr == NULL) {
+ tdb_trace_write(tdb, " NULL");
+ return;
+ }
+ sprintf(msg, " %zu:", rec.dsize);
+ tdb_trace_write(tdb, msg);
+ for (i = 0; i < rec.dsize; i++) {
+ sprintf(msg, "%02x", rec.dptr[i]);
+ tdb_trace_write(tdb, msg);
+ }
+}
+
+void tdb_trace(struct tdb_context *tdb, const char *op)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_end(tdb);
+}
+
+void tdb_trace_open(struct tdb_context *tdb, const char *op,
+ unsigned hash_size, unsigned tdb_flags, unsigned open_flags)
+{
+ char msg[128];
+
+ sprintf(msg, "%s %u %#x %#x", op, hash_size, tdb_flags, open_flags);
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, msg);
+ tdb_trace_end(tdb);
+}
+
+void tdb_trace_ret(struct tdb_context *tdb, const char *op, int ret)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_end_ret(tdb, ret);
+}
+
+void tdb_trace_retrec(struct tdb_context *tdb, const char *op, TDB_DATA ret)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_write(tdb, " =");
+ tdb_trace_record(tdb, ret);
+ tdb_trace_end(tdb);
+}
+
+void tdb_trace_1rec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_record(tdb, rec);
+ tdb_trace_end(tdb);
+}
+
+void tdb_trace_1rec_ret(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec, int ret)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_record(tdb, rec);
+ tdb_trace_end_ret(tdb, ret);
+}
+
+void tdb_trace_1rec_retrec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec, TDB_DATA ret)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_record(tdb, rec);
+ tdb_trace_write(tdb, " =");
+ tdb_trace_record(tdb, ret);
+ tdb_trace_end(tdb);
+}
+
+void tdb_trace_2rec_flag_ret(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec1, TDB_DATA rec2, unsigned flag,
+ int ret)
+{
+ char msg[sizeof(ret) * 4];
+
+ sprintf(msg, " %#x", flag);
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_record(tdb, rec1);
+ tdb_trace_record(tdb, rec2);
+ tdb_trace_write(tdb, msg);
+ tdb_trace_end_ret(tdb, ret);
+}
+
+void tdb_trace_2rec_retrec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec1, TDB_DATA rec2, TDB_DATA ret)
+{
+ tdb_trace_start(tdb);
+ tdb_trace_write(tdb, op);
+ tdb_trace_record(tdb, rec1);
+ tdb_trace_record(tdb, rec2);
+ tdb_trace_write(tdb, " =");
+ tdb_trace_record(tdb, ret);
+ tdb_trace_end(tdb);
}
#endif
#define TDB_LOG(x) tdb->log.log_fn x
#ifdef TDB_TRACE
-void tdb_trace(const struct tdb_context *tdb, const char *fmt, ...);
-void tdb_trace_record(const struct tdb_context *tdb, TDB_DATA rec);
+void tdb_trace(struct tdb_context *tdb, const char *op);
+void tdb_trace_open(struct tdb_context *tdb, const char *op,
+ unsigned hash_size, unsigned tdb_flags, unsigned open_flags);
+void tdb_trace_ret(struct tdb_context *tdb, const char *op, int ret);
+void tdb_trace_retrec(struct tdb_context *tdb, const char *op, TDB_DATA ret);
+void tdb_trace_1rec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec);
+void tdb_trace_1rec_ret(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec, int ret);
+void tdb_trace_1rec_retrec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec, TDB_DATA ret);
+void tdb_trace_2rec_flag_ret(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec1, TDB_DATA rec2, unsigned flag,
+ int ret);
+void tdb_trace_2rec_retrec(struct tdb_context *tdb, const char *op,
+ TDB_DATA rec1, TDB_DATA rec2, TDB_DATA ret);
#else
-static inline void tdb_trace(const struct tdb_context *tdb, const char *fmt, ...)
-{
-}
-static inline void tdb_trace_record(const struct tdb_context *tdb, TDB_DATA rec)
-{
-}
+#define tdb_trace(tdb, op)
+#define tdb_trace_open(tdb, op, hash_size, tdb_flags, open_flags)
+#define tdb_trace_ret(tdb, op, ret)
+#define tdb_trace_retrec(tdb, op, ret)
+#define tdb_trace_1rec(tdb, op, rec)
+#define tdb_trace_1rec_ret(tdb, op, rec, ret)
+#define tdb_trace_1rec_retrec(tdb, op, rec, ret)
+#define tdb_trace_2rec_flag_ret(tdb, op, rec1, rec2, flag, ret)
+#define tdb_trace_2rec_retrec(tdb, op, rec1, rec2, ret)
#endif /* !TDB_TRACE */
/* lock offsets */
LDLIBS:=-lccan
-CFLAGS:=-I../../.. -Wall -g -pg -O3
+CFLAGS:=-I../../.. -Wall -O3 #-g -pg
LDFLAGS:=-L../../..
-default: replay_trace tdbtorture
+default: replay_trace tdbtorture tdbdump
+
+replay_trace: replay_trace.c keywords.c
+ $(LINK.c) $< $(LOADLIBES) $(LDLIBS) -o $@
+
+keywords.c: keywords.gperf
+ gperf $< > $@
clean:
- rm -f replay_trace tdbtorture *.o
+ rm -f replay_trace tdbtorture tdbdump *.o
--- /dev/null
+/* ANSI-C code produced by gperf version 3.0.3 */
+/* Command-line: gperf keywords.gperf */
+/* Computed positions: -k'5,$' */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+ && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+ && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+ && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+ && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+ && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+ && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+ && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+ && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+ && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+ && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+ && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+ && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+ && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+ && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+ && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+ && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+ && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+ && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+ && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+ && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+ && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+ && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646. */
+#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
+#endif
+
+#line 1 "keywords.gperf"
+
+#line 4 "keywords.gperf"
+struct op_table {
+ const char *name;
+ enum op_type type;
+ void (*enhance_op)(const char *filename,
+ struct op op[], unsigned int op_num, char *words[]);
+};
+/* maximum key range = 43, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+hash_keyword (register const char *str, register unsigned int len)
+{
+ static const unsigned char asso_values[] =
+ {
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 15, 51, 25,
+ 5, 0, 10, 0, 0, 0, 51, 0, 0, 0,
+ 15, 51, 15, 51, 51, 0, 5, 0, 51, 0,
+ 51, 15, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51
+ };
+ return len + asso_values[(unsigned char)str[4]] + asso_values[(unsigned char)str[len - 1]];
+}
+
+#ifdef __GNUC__
+__inline
+#ifdef __GNUC_STDC_INLINE__
+__attribute__ ((__gnu_inline__))
+#endif
+#endif
+const struct op_table *
+find_keyword (register const char *str, register unsigned int len)
+{
+ enum
+ {
+ TOTAL_KEYWORDS = 33,
+ MIN_WORD_LENGTH = 8,
+ MAX_WORD_LENGTH = 29,
+ MIN_HASH_VALUE = 8,
+ MAX_HASH_VALUE = 50
+ };
+
+ static const struct op_table wordlist[] =
+ {
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+#line 44 "keywords.gperf"
+ {"traverse", OP_TDB_TRAVERSE, op_add_key_data,},
+#line 34 "keywords.gperf"
+ {"tdb_store", OP_TDB_STORE, op_add_store,},
+#line 33 "keywords.gperf"
+ {"tdb_exists", OP_TDB_EXISTS, op_add_key_ret,},
+#line 16 "keywords.gperf"
+ {"tdb_lockall", OP_TDB_LOCKALL, op_add_nothing,},
+#line 37 "keywords.gperf"
+ {"tdb_wipe_all", OP_TDB_WIPE_ALL, op_add_nothing,},
+#line 20 "keywords.gperf"
+ {"tdb_unlockall", OP_TDB_UNLOCKALL, op_add_nothing,},
+#line 36 "keywords.gperf"
+ {"tdb_get_seqnum", OP_TDB_GET_SEQNUM, op_add_seqnum,},
+#line 48 "keywords.gperf"
+ {"tdb_delete", OP_TDB_DELETE, op_add_key_ret,},
+#line 17 "keywords.gperf"
+ {"tdb_lockall_mark", OP_TDB_LOCKALL_MARK, op_add_nothing,},
+ {""},
+#line 18 "keywords.gperf"
+ {"tdb_lockall_unmark", OP_TDB_LOCKALL_UNMARK, op_add_nothing,},
+#line 47 "keywords.gperf"
+ {"tdb_fetch", OP_TDB_FETCH, op_add_key_data,},
+#line 19 "keywords.gperf"
+ {"tdb_lockall_nonblock", OP_TDB_LOCKALL_NONBLOCK, op_add_nothing,},
+#line 21 "keywords.gperf"
+ {"tdb_lockall_read", OP_TDB_LOCKALL_READ, op_add_nothing,},
+ {""},
+#line 23 "keywords.gperf"
+ {"tdb_unlockall_read", OP_TDB_UNLOCKALL_READ, op_add_nothing,},
+ {""},
+#line 22 "keywords.gperf"
+ {"tdb_lockall_read_nonblock", OP_TDB_LOCKALL_READ_NONBLOCK, op_add_nothing,},
+#line 43 "keywords.gperf"
+ {"tdb_traverse_end", OP_TDB_TRAVERSE_END, op_analyze_traverse,},
+#line 39 "keywords.gperf"
+ {"tdb_transaction_cancel", OP_TDB_TRANSACTION_CANCEL, op_add_nothing,},
+#line 42 "keywords.gperf"
+ {"tdb_traverse_start", OP_TDB_TRAVERSE_START, op_add_traverse,},
+#line 31 "keywords.gperf"
+ {"tdb_increment_seqnum_nonblock", OP_TDB_INCREMENT_SEQNUM_NONBLOCK, op_add_nothing,},
+#line 35 "keywords.gperf"
+ {"tdb_append", OP_TDB_APPEND, op_add_append,},
+#line 38 "keywords.gperf"
+ {"tdb_transaction_start", OP_TDB_TRANSACTION_START, op_add_nothing,},
+#line 40 "keywords.gperf"
+ {"tdb_transaction_commit", OP_TDB_TRANSACTION_COMMIT, op_add_nothing,},
+#line 41 "keywords.gperf"
+ {"tdb_traverse_read_start", OP_TDB_TRAVERSE_READ_START, op_add_traverse,},
+ {""}, {""},
+#line 32 "keywords.gperf"
+ {"tdb_parse_record", OP_TDB_PARSE_RECORD, op_add_key_ret,},
+#line 45 "keywords.gperf"
+ {"tdb_firstkey", OP_TDB_FIRSTKEY, op_add_key,},
+#line 24 "keywords.gperf"
+ {"tdb_chainlock", OP_TDB_CHAINLOCK, op_add_key,},
+ {""},
+#line 28 "keywords.gperf"
+ {"tdb_chainunlock", OP_TDB_CHAINUNLOCK, op_add_key,},
+#line 46 "keywords.gperf"
+ {"tdb_nextkey", OP_TDB_NEXTKEY, op_add_key_data,},
+ {""},
+#line 26 "keywords.gperf"
+ {"tdb_chainlock_mark", OP_TDB_CHAINLOCK_MARK, op_add_key,},
+ {""},
+#line 27 "keywords.gperf"
+ {"tdb_chainlock_unmark", OP_TDB_CHAINLOCK_UNMARK, op_add_key,},
+ {""},
+#line 25 "keywords.gperf"
+ {"tdb_chainlock_nonblock", OP_TDB_CHAINLOCK_NONBLOCK, op_add_key_ret,},
+#line 29 "keywords.gperf"
+ {"tdb_chainlock_read", OP_TDB_CHAINLOCK_READ, op_add_key,},
+ {""},
+#line 30 "keywords.gperf"
+ {"tdb_chainunlock_read", OP_TDB_CHAINUNLOCK_READ, op_add_key,}
+ };
+
+ if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+ {
+ register int key = hash_keyword (str, len);
+
+ if (key <= MAX_HASH_VALUE && key >= 0)
+ {
+ register const char *s = wordlist[key].name;
+
+ if (*str == *s && !strcmp (str + 1, s + 1))
+ return &wordlist[key];
+ }
+ }
+ return 0;
+}
--- /dev/null
+%{
+%}
+%language=ANSI-C
+struct op_table {
+ const char *name;
+ enum op_type type;
+ void (*enhance_op)(const char *filename,
+ struct op op[], unsigned int op_num, char *words[]);
+};
+%define hash-function-name hash_keyword
+%define lookup-function-name find_keyword
+%readonly-tables
+%struct-type
+%enum
+%%
+tdb_lockall, OP_TDB_LOCKALL, op_add_nothing,
+tdb_lockall_mark, OP_TDB_LOCKALL_MARK, op_add_nothing,
+tdb_lockall_unmark, OP_TDB_LOCKALL_UNMARK, op_add_nothing,
+tdb_lockall_nonblock, OP_TDB_LOCKALL_NONBLOCK, op_add_nothing,
+tdb_unlockall, OP_TDB_UNLOCKALL, op_add_nothing,
+tdb_lockall_read, OP_TDB_LOCKALL_READ, op_add_nothing,
+tdb_lockall_read_nonblock, OP_TDB_LOCKALL_READ_NONBLOCK, op_add_nothing,
+tdb_unlockall_read, OP_TDB_UNLOCKALL_READ, op_add_nothing,
+tdb_chainlock, OP_TDB_CHAINLOCK, op_add_key,
+tdb_chainlock_nonblock, OP_TDB_CHAINLOCK_NONBLOCK, op_add_key_ret,
+tdb_chainlock_mark, OP_TDB_CHAINLOCK_MARK, op_add_key,
+tdb_chainlock_unmark, OP_TDB_CHAINLOCK_UNMARK, op_add_key,
+tdb_chainunlock, OP_TDB_CHAINUNLOCK, op_add_key,
+tdb_chainlock_read, OP_TDB_CHAINLOCK_READ, op_add_key,
+tdb_chainunlock_read, OP_TDB_CHAINUNLOCK_READ, op_add_key,
+tdb_increment_seqnum_nonblock, OP_TDB_INCREMENT_SEQNUM_NONBLOCK, op_add_nothing,
+tdb_parse_record, OP_TDB_PARSE_RECORD, op_add_key_ret,
+tdb_exists, OP_TDB_EXISTS, op_add_key_ret,
+tdb_store, OP_TDB_STORE, op_add_store,
+tdb_append, OP_TDB_APPEND, op_add_append,
+tdb_get_seqnum, OP_TDB_GET_SEQNUM, op_add_seqnum,
+tdb_wipe_all, OP_TDB_WIPE_ALL, op_add_nothing,
+tdb_transaction_start, OP_TDB_TRANSACTION_START, op_add_nothing,
+tdb_transaction_cancel, OP_TDB_TRANSACTION_CANCEL, op_add_nothing,
+tdb_transaction_commit, OP_TDB_TRANSACTION_COMMIT, op_add_nothing,
+tdb_traverse_read_start, OP_TDB_TRAVERSE_READ_START, op_add_traverse,
+tdb_traverse_start, OP_TDB_TRAVERSE_START, op_add_traverse,
+tdb_traverse_end, OP_TDB_TRAVERSE_END, op_analyze_traverse,
+traverse, OP_TDB_TRAVERSE, op_add_key_data,
+tdb_firstkey, OP_TDB_FIRSTKEY, op_add_key,
+tdb_nextkey, OP_TDB_NEXTKEY, op_add_key_data,
+tdb_fetch, OP_TDB_FETCH, op_add_key_data,
+tdb_delete, OP_TDB_DELETE, op_add_key_ret,
#include <ccan/talloc/talloc.h>
#include <ccan/str_talloc/str_talloc.h>
#include <ccan/str/str.h>
+#include <ccan/list/list.h>
#include <err.h>
#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
#include <sys/time.h>
#define STRINGIFY2(x) #x
#define STRINGIFY(x) STRINGIFY2(x)
+/* Avoid mod by zero */
+static unsigned int total_keys = 1;
+
+/* #define DEBUG_DEPS 1 */
+
+struct pipe {
+ int fd[2];
+};
+static struct pipe *pipes;
+
+static void __attribute__((noreturn)) fail(const char *filename,
+ unsigned int line,
+ const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ fprintf(stderr, "%s:%u: FAIL: ", filename, line);
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ exit(1);
+}
+
/* Try or die. */
-#define try(expr, op) \
+#define try(expr, expect) \
do { \
int ret = (expr); \
- if (ret < 0) { \
- if (tdb_error(tdb) != -op.ret) \
- errx(1, "Line %u: " STRINGIFY(expr) \
- "= %i: %s", \
- i+1, ret, tdb_errorstr(tdb)); \
- } else if (ret != op.ret) \
- errx(1, "Line %u: " STRINGIFY(expr) "= %i: %s", \
- i+1, ret, tdb_errorstr(tdb)); \
+ if (ret != (expect)) \
+ fail(filename, i+1, STRINGIFY(expr) "= %i", ret); \
} while (0)
/* Try or imitate results. */
do { \
int ret = expr; \
if (ret != expect) { \
- warnx("Line %u: %s gave %i not %i", \
- i+1, STRINGIFY(expr), ret, expect); \
+ fprintf(stderr, "%s:%u: %s gave %i not %i", \
+ filename, i+1, STRINGIFY(expr), ret, expect); \
if (expect == 0) \
force; \
else \
return memcmp(a.dptr, b.dptr, a.dsize) == 0;
}
+/* This is based on the hash algorithm from gdbm */
+static unsigned int hash_key(TDB_DATA *key)
+{
+ uint32_t value; /* Used to compute the hash value. */
+ uint32_t i; /* Used to cycle through random values. */
+
+ /* Set the initial value from the key size. */
+ for (value = 0x238F13AF ^ key->dsize, i=0; i < key->dsize; i++)
+ value = (value + (key->dptr[i] << (i*5 % 24)));
+
+ return (1103515243 * value + 12345);
+}
+
enum op_type {
OP_TDB_LOCKALL,
OP_TDB_LOCKALL_MARK,
OP_TDB_NEXTKEY,
OP_TDB_FETCH,
OP_TDB_DELETE,
- OP_TDB_CLOSE,
};
struct op {
+ unsigned int serial;
enum op_type op;
TDB_DATA key;
TDB_DATA data;
int ret;
+ /* Who is waiting for us? */
+ struct list_head post;
+ /* How many are we waiting for? */
+ unsigned int pre;
+
union {
int flag; /* open and store */
struct traverse *trav; /* traverse start */
+ TDB_DATA post_append; /* append */
};
};
-static unsigned char hex_char(unsigned int line, char c)
+static unsigned char hex_char(const char *filename, unsigned int line, char c)
{
c = toupper(c);
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
if (c >= '0' && c <= '9')
return c - '0';
- errx(1, "Line %u: invalid hex character '%c'", line, c);
+ fail(filename, line, "invalid hex character '%c'", c);
}
/* TDB data is <size>:<%02x>* */
static TDB_DATA make_tdb_data(const void *ctx,
- unsigned int line, const char *word)
+ const char *filename, unsigned int line,
+ const char *word)
{
TDB_DATA data;
unsigned int i;
const char *p;
+ if (streq(word, "NULL"))
+ return tdb_null;
+
data.dsize = atoi(word);
data.dptr = talloc_array(ctx, unsigned char, data.dsize);
p = strchr(word, ':');
if (!p)
- errx(1, "Line %u: Invalid tdb data '%s'", line, word);
+ fail(filename, line, "invalid tdb data '%s'", word);
p++;
for (i = 0; i < data.dsize; i++)
- data.dptr[i] = hex_char(line, p[i*2])*16
- + hex_char(line, p[i*2+1]);
+ data.dptr[i] = hex_char(filename, line, p[i*2])*16
+ + hex_char(filename, line, p[i*2+1]);
+
return data;
}
-static struct op *add_op(struct op **op, unsigned int i,
- enum op_type type, const char *key, const char *data,
- int ret)
+static void add_op(const char *filename, struct op **op, unsigned int i,
+ unsigned int serial, enum op_type type)
{
struct op *new;
*op = talloc_realloc(NULL, *op, struct op, i+1);
new = (*op) + i;
new->op = type;
- new->ret = ret;
- if (key)
- new->key = make_tdb_data(*op, i+1, key);
- else
- new->key = tdb_null;
- if (data)
- new->data = make_tdb_data(*op, i+1, data);
- else
- new->data = tdb_null;
- return new;
+ new->serial = serial;
+ new->pre = 0;
+ new->ret = 0;
}
-static int get_len(TDB_DATA key, TDB_DATA data, void *private_data)
+static void op_add_nothing(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
{
- return data.dsize;
+ if (words[2])
+ fail(filename, op_num+1, "Expected no arguments");
+ op[op_num].key = tdb_null;
+}
+
+static void op_add_key(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (words[2] == NULL || words[3])
+ fail(filename, op_num+1, "Expected just a key");
+
+ op[op_num].key = make_tdb_data(op, filename, op_num+1, words[2]);
+ if (op[op_num].op != OP_TDB_TRAVERSE)
+ total_keys++;
+}
+
+static void op_add_key_ret(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (!words[2] || !words[3] || !words[4] || words[5]
+ || !streq(words[3], "="))
+ fail(filename, op_num+1, "Expected <key> = <ret>");
+ op[op_num].ret = atoi(words[4]);
+ op[op_num].key = make_tdb_data(op, filename, op_num+1, words[2]);
+ /* May only be a unique key if it fails */
+ if (op[op_num].ret != 0)
+ total_keys++;
+}
+
+static void op_add_key_data(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (!words[2] || !words[3] || !words[4] || words[5]
+ || !streq(words[3], "="))
+ fail(filename, op_num+1, "Expected <key> = <data>");
+ op[op_num].key = make_tdb_data(op, filename, op_num+1, words[2]);
+ op[op_num].data = make_tdb_data(op, filename, op_num+1, words[4]);
+ /* May only be a unique key if it fails */
+ if (!op[op_num].data.dptr)
+ total_keys++;
+}
+
+/* <serial> tdb_store <rec> <rec> <flag> = <ret> */
+static void op_add_store(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (!words[2] || !words[3] || !words[4] || !words[5] || !words[6]
+ || words[7] || !streq(words[5], "="))
+ fail(filename, op_num+1, "Expect <key> <data> <flag> = <ret>");
+
+ op[op_num].flag = strtoul(words[4], NULL, 0);
+ op[op_num].ret = atoi(words[6]);
+ op[op_num].key = make_tdb_data(op, filename, op_num+1, words[2]);
+ op[op_num].data = make_tdb_data(op, filename, op_num+1, words[3]);
+ total_keys++;
+}
+
+/* <serial> tdb_append <rec> <rec> = <rec> */
+static void op_add_append(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (!words[2] || !words[3] || !words[4] || !words[5] || words[6]
+ || !streq(words[4], "="))
+ fail(filename, op_num+1, "Expect <key> <data> = <rec>");
+
+ op[op_num].key = make_tdb_data(op, filename, op_num+1, words[2]);
+ op[op_num].data = make_tdb_data(op, filename, op_num+1, words[3]);
+ op[op_num].post_append
+ = make_tdb_data(op, filename, op_num+1, words[5]);
+ total_keys++;
+}
+
+/* <serial> tdb_get_seqnum = <ret> */
+static void op_add_seqnum(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (!words[2] || !words[3] || words[4] || !streq(words[2], "="))
+ fail(filename, op_num+1, "Expect = <ret>");
+
+ op[op_num].key = tdb_null;
+ op[op_num].ret = atoi(words[3]);
+}
+
+static void op_add_traverse(const char *filename,
+ struct op op[], unsigned int op_num, char *words[])
+{
+ if (words[2])
+ fail(filename, op_num+1, "Expect no arguments");
+
+ op[op_num].key = tdb_null;
+ op[op_num].trav = NULL;
}
struct traverse_hash {
struct traverse_hash *hash;
};
-/* This is based on the hash algorithm from gdbm */
-static unsigned int hash_key(TDB_DATA *key)
-{
- uint32_t value; /* Used to compute the hash value. */
- uint32_t i; /* Used to cycle through random values. */
-
- /* Set the initial value from the key size. */
- for (value = 0x238F13AF ^ key->dsize, i=0; i < key->dsize; i++)
- value = (value + (key->dptr[i] << (i*5 % 24)));
-
- return (1103515243 * value + 12345);
-}
-
/* A trivial traversal is one which doesn't terminate early and only
* plays with its own record. We can reliably replay these even if
* traverse order changes. */
static bool is_trivial_traverse(struct op op[], unsigned int end)
{
+#if 0
unsigned int i;
TDB_DATA cur = tdb_null;
return false;
}
return true;
+#endif
+ /* With multiple things happening at once, no traverse is trivial. */
+ return false;
}
-static void analyze_traverse(struct op op[], unsigned int end)
+static void op_analyze_traverse(const char *filename,
+ struct op op[], unsigned int op_num,
+ char *words[])
{
int i;
struct traverse *trav = talloc(op, struct traverse);
+ /* = %u means traverse function terminated. */
+ if (words[2]) {
+ if (!streq(words[2], "=") || !words[3] || words[4])
+ fail(filename, op_num+1, "expect = <num>");
+ op[op_num].ret = atoi(words[3]);
+ } else
+ op[op_num].ret = 0;
+
trav->num = 0;
- trav->end = end;
- for (i = end-1; i >= 0; i--) {
+ trav->end = op_num;
+ for (i = op_num-1; i >= 0; i--) {
if (op[i].op == OP_TDB_TRAVERSE)
trav->num++;
if (op[i].op != OP_TDB_TRAVERSE_READ_START
}
if (i < 0)
- errx(1, "Line %u: no traversal start found", end+1);
+ fail(filename, op_num+1, "no traversal start found");
op[i].trav = trav;
- if (is_trivial_traverse(op+i, end-i)) {
+ if (is_trivial_traverse(op+i, op_num-i)) {
/* Fill in a plentiful hash table. */
op[i].trav->hash = talloc_zero_array(op[i].trav,
struct traverse_hash,
trav->num * 2);
- for (; i < end; i++) {
+ for (; i < op_num; i++) {
unsigned int h;
if (op[i].op != OP_TDB_TRAVERSE)
continue;
trav->hash = NULL;
}
-static unsigned run_ops(struct tdb_context *tdb, const struct op op[],
+/* Keep -Wmissing-declarations happy: */
+const struct op_table *
+find_keyword (register const char *str, register unsigned int len);
+
+#include "keywords.c"
+
+static int get_len(TDB_DATA key, TDB_DATA data, void *private_data)
+{
+ return data.dsize;
+}
+
+static unsigned run_ops(struct tdb_context *tdb,
+ int pre_fd,
+ const char *filename,
+ struct op op[],
unsigned int start, unsigned int stop);
struct traverse_info {
- const struct op *op;
+ struct op *op;
+ const char *filename;
+ int pre_fd;
unsigned int start;
unsigned int i;
};
while (trav->hash[h].index) {
if (key_eq(trav->hash[h].key, key)) {
- run_ops(tdb, tinfo->op, trav->hash[h].index, trav->end);
+ run_ops(tdb, tinfo->pre_fd, tinfo->filename, tinfo->op,
+ trav->hash[h].index, trav->end);
tinfo->i++;
return 0;
}
h = (h + 1) % (trav->num * 2);
}
- errx(1, "Traverse at %u: unexpected key", tinfo->start + 1);
+ fail(tinfo->filename, tinfo->start + 1, "unexpected traverse key");
}
/* More complex. Just do whatever's they did at the n'th entry. */
struct traverse_info *tinfo = _tinfo;
struct traverse *trav = tinfo->op[tinfo->start].trav;
- if (tinfo->i == trav->end)
- errx(1, "Transaction starting line %u did not terminate",
- tinfo->start + 1);
+ if (tinfo->i == trav->end) {
+ /* This can happen if traverse expects to be empty. */
+ if (tinfo->start + 1 == trav->end)
+ return 1;
+ fail(tinfo->filename, tinfo->start + 1,
+ "traverse did not terminate");
+ }
if (tinfo->op[tinfo->i].op != OP_TDB_TRAVERSE)
- errx(1, "Transaction starting line %u terminated early",
- tinfo->start + 1);
+ fail(tinfo->filename, tinfo->start + 1,
+ "%s:%u:traverse terminated early");
/* Run any normal ops. */
- tinfo->i = run_ops(tdb, tinfo->op, tinfo->i+1, trav->end);
+ tinfo->i = run_ops(tdb, tinfo->pre_fd, tinfo->filename, tinfo->op,
+ tinfo->i+1, trav->end);
if (tinfo->i == trav->end)
return 1;
+
return 0;
}
static unsigned op_traverse(struct tdb_context *tdb,
+ int pre_fd,
+ const char *filename,
int (*traversefn)(struct tdb_context *,
tdb_traverse_func, void *),
- const struct op op[],
+ struct op op[],
unsigned int start)
{
struct traverse *trav = op[start].trav;
- struct traverse_info tinfo = { op, start, start+1 };
+ struct traverse_info tinfo = { op, filename, pre_fd, start, start+1 };
/* Trivial case. */
if (trav->hash) {
int ret = traversefn(tdb, trivial_traverse, &tinfo);
if (ret != trav->num)
- errx(1, "Line %u: short traversal %i", start+1, ret);
+ fail(filename, start+1, "short traversal %i", ret);
return trav->end;
}
if (op[tinfo.i].op == OP_TDB_TRAVERSE)
tinfo.i++;
else
- tinfo.i = run_ops(tdb, op, tinfo.i, trav->end);
+ tinfo.i = run_ops(tdb, pre_fd, filename, op,
+ tinfo.i, trav->end);
}
return trav->end;
}
+struct depend {
+ /* We can have more than one */
+ struct list_node list;
+ unsigned int file;
+ unsigned int op;
+};
+
+static void do_pre(const char *filename, int pre_fd,
+ struct op op[], unsigned int i)
+{
+ while (op[i].pre != 0) {
+ unsigned int opnum;
+
+#if DEBUG_DEPS
+ printf("%s:%u:waiting for pre\n", filename, i+1);
+#endif
+ if (read(pre_fd, &opnum, sizeof(opnum)) != sizeof(opnum))
+ errx(1, "Reading from pipe");
+
+#if DEBUG_DEPS
+ printf("%s:%u:got pre %u\n",
+ filename, i+1, opnum);
+#endif
+ /* This could be any op, not just this one. */
+ if (op[opnum].pre == 0)
+ errx(1, "Got unexpected notification for op line %u",
+ opnum + 1);
+ op[opnum].pre--;
+ }
+}
+
+static void do_post(const char *filename, const struct op op[], unsigned int i)
+{
+ struct depend *dep;
+
+ list_for_each(&op[i].post, dep, list) {
+#if DEBUG_DEPS
+ printf("%s:%u:sending %u to file %u\n", filename, i+1,
+ dep->op, dep->file);
+#endif
+ if (write(pipes[dep->file].fd[1], &dep->op, sizeof(dep->op))
+ != sizeof(dep->op))
+ err(1, "Failed to tell file %u", dep->file);
+ }
+}
+
static __attribute__((noinline))
-unsigned run_ops(struct tdb_context *tdb, const struct op op[],
- unsigned int start, unsigned int stop)
+unsigned run_ops(struct tdb_context *tdb,
+ int pre_fd,
+ const char *filename,
+ struct op op[], unsigned int start, unsigned int stop)
{
unsigned int i;
- TDB_DATA data;
for (i = start; i < stop; i++) {
+ do_pre(filename, pre_fd, op, i);
+
switch (op[i].op) {
case OP_TDB_LOCKALL:
- try(tdb_lockall(tdb), op[i]);
+ try(tdb_lockall(tdb), op[i].ret);
break;
case OP_TDB_LOCKALL_MARK:
- try(tdb_lockall_mark(tdb), op[i]);
+ try(tdb_lockall_mark(tdb), op[i].ret);
break;
case OP_TDB_LOCKALL_UNMARK:
- try(tdb_lockall_unmark(tdb), op[i]);
+ try(tdb_lockall_unmark(tdb), op[i].ret);
break;
case OP_TDB_LOCKALL_NONBLOCK:
unreliable(tdb_lockall_nonblock(tdb), op[i].ret,
tdb_lockall(tdb), tdb_unlockall(tdb));
break;
case OP_TDB_UNLOCKALL:
- try(tdb_unlockall(tdb), op[i]);
+ try(tdb_unlockall(tdb), op[i].ret);
break;
case OP_TDB_LOCKALL_READ:
- try(tdb_lockall_read(tdb), op[i]);
+ try(tdb_lockall_read(tdb), op[i].ret);
break;
case OP_TDB_LOCKALL_READ_NONBLOCK:
unreliable(tdb_lockall_read_nonblock(tdb), op[i].ret,
tdb_unlockall_read(tdb));
break;
case OP_TDB_UNLOCKALL_READ:
- try(tdb_unlockall_read(tdb), op[i]);
+ try(tdb_unlockall_read(tdb), op[i].ret);
break;
case OP_TDB_CHAINLOCK:
- try(tdb_chainlock(tdb, op[i].key), op[i]);
+ try(tdb_chainlock(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_CHAINLOCK_NONBLOCK:
unreliable(tdb_chainlock_nonblock(tdb, op[i].key),
tdb_chainunlock(tdb, op[i].key));
break;
case OP_TDB_CHAINLOCK_MARK:
- try(tdb_chainlock_mark(tdb, op[i].key), op[i]);
+ try(tdb_chainlock_mark(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_CHAINLOCK_UNMARK:
- try(tdb_chainlock_unmark(tdb, op[i].key), op[i]);
+ try(tdb_chainlock_unmark(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_CHAINUNLOCK:
- try(tdb_chainunlock(tdb, op[i].key), op[i]);
+ try(tdb_chainunlock(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_CHAINLOCK_READ:
- try(tdb_chainlock_read(tdb, op[i].key), op[i]);
+ try(tdb_chainlock_read(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_CHAINUNLOCK_READ:
- try(tdb_chainunlock_read(tdb, op[i].key), op[i]);
+ try(tdb_chainunlock_read(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_INCREMENT_SEQNUM_NONBLOCK:
tdb_increment_seqnum_nonblock(tdb);
break;
case OP_TDB_PARSE_RECORD:
- try(tdb_parse_record(tdb, op[i].key, get_len, NULL), op[i]);
+ try(tdb_parse_record(tdb, op[i].key, get_len, NULL),
+ op[i].ret);
break;
case OP_TDB_EXISTS:
- try(tdb_exists(tdb, op[i].key), op[i]);
+ try(tdb_exists(tdb, op[i].key), op[i].ret);
break;
case OP_TDB_STORE:
- try(tdb_store(tdb, op[i].key, op[i].data, op[i].flag), op[i]);
+ try(tdb_store(tdb, op[i].key, op[i].data, op[i].flag),
+ op[i].ret < 0 ? op[i].ret : 0);
break;
case OP_TDB_APPEND:
- try(tdb_append(tdb, op[i].key, op[i].data), op[i]);
+ try(tdb_append(tdb, op[i].key, op[i].data),
+ op[i].ret < 0 ? op[i].ret : 0);
break;
case OP_TDB_GET_SEQNUM:
- try(tdb_get_seqnum(tdb), op[i]);
+ try(tdb_get_seqnum(tdb), op[i].ret);
break;
case OP_TDB_WIPE_ALL:
- try(tdb_wipe_all(tdb), op[i]);
+ try(tdb_wipe_all(tdb), op[i].ret);
break;
case OP_TDB_TRANSACTION_START:
- try(tdb_transaction_start(tdb), op[i]);
+ try(tdb_transaction_start(tdb), op[i].ret);
break;
case OP_TDB_TRANSACTION_CANCEL:
- try(tdb_transaction_cancel(tdb), op[i]);
+ try(tdb_transaction_cancel(tdb), op[i].ret);
break;
case OP_TDB_TRANSACTION_COMMIT:
- try(tdb_transaction_commit(tdb), op[i]);
+ try(tdb_transaction_commit(tdb), op[i].ret);
break;
case OP_TDB_TRAVERSE_READ_START:
- i = op_traverse(tdb, tdb_traverse_read, op, i);
+ i = op_traverse(tdb, pre_fd, filename,
+ tdb_traverse_read, op, i);
break;
case OP_TDB_TRAVERSE_START:
- i = op_traverse(tdb, tdb_traverse, op, i);
+ i = op_traverse(tdb, pre_fd, filename,
+ tdb_traverse, op, i);
break;
case OP_TDB_TRAVERSE:
/* Terminate: we're in a traverse, and we've
* done our ops. */
return i;
case OP_TDB_TRAVERSE_END:
- errx(1, "Line %u: unepxected end traverse\n", i+1);
+ fail(filename, i+1, "unepxected end traverse");
+ /* FIXME: These must be treated like traverse. */
case OP_TDB_FIRSTKEY:
- data = tdb_firstkey(tdb);
- if (data.dsize != op[i].data.dsize
- || memcmp(data.dptr, op[i].data.dptr, data.dsize))
- errx(1, "Line %u: bad firstkey", i+1);
+ if (!key_eq(tdb_firstkey(tdb), op[i].data))
+ fail(filename, i+1, "bad firstkey");
break;
case OP_TDB_NEXTKEY:
- data = tdb_nextkey(tdb, op[i].key);
- if (data.dsize != op[i].data.dsize
- || memcmp(data.dptr, op[i].data.dptr, data.dsize))
- errx(1, "Line %u: bad nextkey", i+1);
+ if (!key_eq(tdb_nextkey(tdb, op[i].key), op[i].data))
+ fail(filename, i+1, "bad nextkey");
break;
- case OP_TDB_FETCH:
- data = tdb_fetch(tdb, op[i].key);
- if (data.dsize != op[i].data.dsize
- || memcmp(data.dptr, op[i].data.dptr, data.dsize))
- errx(1, "Line %u: bad fetch", i+1);
+ case OP_TDB_FETCH: {
+ TDB_DATA f = tdb_fetch(tdb, op[i].key);
+ if (!key_eq(f, op[i].data))
+ fail(filename, i+1, "bad fetch %u", f.dsize);
break;
+ }
case OP_TDB_DELETE:
- try(tdb_delete(tdb, op[i].key), op[i]);
- break;
- case OP_TDB_CLOSE:
- errx(1, "Line %u: unexpected close", i+1);
+ try(tdb_delete(tdb, op[i].key), op[i].ret);
break;
}
+ do_post(filename, op, i);
}
return i;
}
-int main(int argc, char *argv[])
+static struct op *load_tracefile(const char *filename, unsigned int *num,
+ unsigned int *hashsize,
+ unsigned int *tdb_flags,
+ unsigned int *open_flags)
{
- const char *file;
- char **lines;
unsigned int i;
- struct tdb_context *tdb = NULL;
struct op *op = talloc_array(NULL, struct op, 1);
- struct timeval start, end;
-
- if (argc != 3)
- errx(1, "Usage: %s <tracefile> <tdbfile>", argv[0]);
+ char **words;
+ char **lines;
+ char *file;
- file = grab_file(NULL, argv[1], NULL);
+ file = grab_file(NULL, filename, NULL);
if (!file)
- err(1, "Reading %s", argv[1]);
+ err(1, "Reading %s", filename);
lines = strsplit(file, file, "\n", NULL);
+ if (!lines[0])
+ errx(1, "%s is empty", filename);
+
+ words = strsplit(lines, lines[0], " ", NULL);
+ if (!streq(words[1], "tdb_open"))
+ fail(filename, 1, "does not start with tdb_open");
+
+ *hashsize = atoi(words[2]);
+ *tdb_flags = strtoul(words[3], NULL, 0);
+ *open_flags = strtoul(words[4], NULL, 0);
+
+ for (i = 1; lines[i]; i++) {
+ const struct op_table *opt;
+
+ words = strsplit(lines, lines[i], " ", NULL);
+ if (!words[0] || !words[1])
+ fail(filename, i+1, "Expected serial number and op");
+
+ opt = find_keyword(words[1], strlen(words[1]));
+ if (!opt) {
+ if (streq(words[1], "tdb_close")) {
+ if (lines[i+1])
+ fail(filename, i+2,
+ "lines after tdb_close");
+ *num = i;
+ talloc_free(lines);
+ return op;
+ }
+ fail(filename, i+1, "Unknown operation '%s'", words[1]);
+ }
+
+ add_op(filename, &op, i, atoi(words[0]), opt->type);
+ opt->enhance_op(filename, op, i, words);
+ }
+
+ fprintf(stderr, "%s:%u:last operation is not tdb_close: incomplete?",
+ filename, i);
+ talloc_free(lines);
+ *num = i - 1;
+ return op;
+}
+
+/* We remember all the keys we've ever seen, and who has them. */
+struct key_user {
+ unsigned int file;
+ unsigned int op_num;
+};
+
+struct keyinfo {
+ TDB_DATA key;
+ unsigned int num_users;
+ struct key_user *user;
+};
+
+static bool changes_db(const struct op *op)
+{
+ if (op->ret != 0)
+ return false;
+
+ return op->op == OP_TDB_STORE
+ || op->op == OP_TDB_APPEND
+ || op->op == OP_TDB_WIPE_ALL
+ || op->op == OP_TDB_TRANSACTION_COMMIT
+ || op->op == OP_TDB_DELETE;
+}
+
+static struct keyinfo *hash_ops(struct op *op[], unsigned int num_ops[],
+ unsigned int num)
+{
+ unsigned int i, j, h;
+ struct keyinfo *hash;
+
+ /* Gcc nexted function extension. How cool is this? */
+ int compare_user_serial(const void *_a, const void *_b)
+ {
+ const struct key_user *a = _a, *b = _b;
+ int ret = op[a->file][a->op_num].serial
+ - op[b->file][b->op_num].serial;
+
+ /* Fetches don't inc serial, so we put changes first. */
+ if (ret == 0) {
+ if (changes_db(&op[a->file][a->op_num])
+ && !changes_db(&op[b->file][b->op_num]))
+ return -1;
+ if (changes_db(&op[b->file][b->op_num])
+ && !changes_db(&op[a->file][a->op_num]))
+ return 1;
+ }
+ return ret;
+ }
+
+ hash = talloc_zero_array(op[0], struct keyinfo, total_keys*2);
+ for (i = 0; i < num; i++) {
+ for (j = 1; j < num_ops[i]; j++) {
+ /* We can't do this on allocation, due to realloc. */
+ list_head_init(&op[i][j].post);
+
+ if (!op[i][j].key.dptr)
+ continue;
- for (i = 0; lines[i]; i++) {
- char **words = strsplit(lines, lines[i], " ", NULL);
- if (!tdb && !streq(words[0], "tdb_open"))
- errx(1, "Line %u is not tdb_open", i+1);
-
- if (streq(words[0], "tdb_open")) {
- if (tdb)
- errx(1, "Line %u: tdb_open again?", i+1);
- tdb = tdb_open_ex(argv[2], atoi(words[2]),
- strtoul(words[3], NULL, 0),
- strtoul(words[4], NULL, 0), 0600,
+ /* We don't wait for traverse keys */
+ /* FIXME: We should, for trivial traversals. */
+ if (op[i][j].op == OP_TDB_TRAVERSE)
+ continue;
+
+ h = hash_key(&op[i][j].key) % (total_keys * 2);
+ while (!key_eq(hash[h].key, op[i][j].key)) {
+ if (!hash[h].key.dptr) {
+ hash[h].key = op[i][j].key;
+ break;
+ }
+ h = (h + 1) % (total_keys * 2);
+ }
+ /* Might as well save some memory if we can. */
+ if (op[i][j].key.dptr != hash[h].key.dptr) {
+ talloc_free(op[i][j].key.dptr);
+ op[i][j].key.dptr = hash[h].key.dptr;
+ }
+ hash[h].user = talloc_realloc(hash, hash[h].user,
+ struct key_user,
+ hash[h].num_users+1);
+ hash[h].user[hash[h].num_users].op_num = j;
+ hash[h].user[hash[h].num_users].file = i;
+ hash[h].num_users++;
+ }
+ }
+
+ /* Now sort into seqnum order. */
+ for (h = 0; h < total_keys * 2; h++)
+ qsort(hash[h].user, hash[h].num_users, sizeof(hash[h].user[0]),
+ compare_user_serial);
+
+ return hash;
+}
+
+static void add_dependency(void *ctx,
+ struct op *op[],
+ unsigned int needs_file,
+ unsigned int needs_opnum,
+ unsigned int satisfies_file,
+ unsigned int satisfies_opnum)
+{
+ struct depend *post;
+
+ post = talloc(ctx, struct depend);
+ post->file = needs_file;
+ post->op = needs_opnum;
+ list_add(&op[satisfies_file][satisfies_opnum].post, &post->list);
+
+ op[needs_file][needs_opnum].pre++;
+}
+
+static void derive_dependencies(char *filename[],
+ struct op *op[], unsigned int num_ops[],
+ unsigned int num)
+{
+ struct keyinfo *hash;
+ unsigned int i;
+
+ /* Create hash table for faster key lookup. */
+ hash = hash_ops(op, num_ops, num);
+
+ /* We make the naive assumption that two ops on the same key
+ * have to be ordered; it's overkill. */
+ for (i = 0; i < total_keys * 2; i++) {
+ unsigned int j;
+
+ for (j = 1; j < hash[i].num_users; j++) {
+ /* We don't depend on ourselves. */
+ if (hash[i].user[j].file == hash[i].user[j-1].file)
+ continue;
+#if DEBUG_DEPS
+ printf("%s:%u: depends on %s:%u\n",
+ filename[hash[i].user[j].file],
+ hash[i].user[j].op_num+1,
+ filename[hash[i].user[j-1].file],
+ hash[i].user[j-1].op_num+1);
+#endif
+ add_dependency(hash, op,
+ hash[i].user[j].file,
+ hash[i].user[j].op_num,
+ hash[i].user[j-1].file,
+ hash[i].user[j-1].op_num);
+ }
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ struct timeval start, end;
+ unsigned int i, num_ops[argc], hashsize[argc], tdb_flags[argc], open_flags[argc];
+ struct op *op[argc];
+ int fds[2];
+ char c;
+
+ if (argc < 3)
+ errx(1, "Usage: %s <tdbfile> <tracefile>...", argv[0]);
+
+ pipes = talloc_array(NULL, struct pipe, argc - 2);
+ for (i = 0; i < argc - 2; i++) {
+ op[i] = load_tracefile(argv[2+i], &num_ops[i], &hashsize[i],
+ &tdb_flags[i], &open_flags[i]);
+ if (pipe(pipes[i].fd) != 0)
+ err(1, "creating pipe");
+ }
+
+ derive_dependencies(argv+2, op, num_ops, i);
+
+ /* Don't fork for single arg case: simple debugging. */
+ if (argc == 3) {
+ struct tdb_context *tdb;
+ tdb = tdb_open_ex(argv[1], hashsize[0], tdb_flags[0],
+ open_flags[0], 0600,
+ NULL, hash_key);
+ run_ops(tdb, pipes[0].fd[0], argv[2],
+ op[0], 1, num_ops[0]);
+ exit(0);
+ }
+
+ if (pipe(fds) != 0)
+ err(1, "creating pipe");
+
+ for (i = 0; i < argc - 2; i++) {
+ struct tdb_context *tdb;
+
+ switch (fork()) {
+ case -1:
+ err(1, "fork failed");
+ case 0:
+ close(fds[1]);
+ tdb = tdb_open_ex(argv[1], hashsize[i], tdb_flags[i],
+ open_flags[i], 0600,
NULL, hash_key);
if (!tdb)
- err(1, "Opening tdb %s", argv[2]);
- } else if (streq(words[0], "tdb_lockall")) {
- add_op(&op, i, OP_TDB_LOCKALL, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_lockall_mark")) {
- add_op(&op, i, OP_TDB_LOCKALL_MARK, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_lockall_unmark")) {
- add_op(&op, i, OP_TDB_LOCKALL_UNMARK, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_lockall_nonblock")) {
- add_op(&op, i, OP_TDB_LOCKALL_NONBLOCK, NULL, NULL,
- atoi(words[1]));
- } else if (streq(words[0], "tdb_unlockall")) {
- add_op(&op, i, OP_TDB_UNLOCKALL, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_lockall_read")) {
- add_op(&op, i, OP_TDB_LOCKALL_READ, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_lockall_read_nonblock")) {
- add_op(&op, i, OP_TDB_LOCKALL_READ_NONBLOCK, NULL, NULL,
- atoi(words[1]));
- } else if (streq(words[0], "tdb_unlockall_read\n")) {
- add_op(&op, i, OP_TDB_UNLOCKALL_READ, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_chainlock")) {
- add_op(&op, i, OP_TDB_CHAINLOCK, words[1], NULL, 0);
- } else if (streq(words[0], "tdb_chainlock_nonblock")) {
- add_op(&op, i, OP_TDB_CHAINLOCK_NONBLOCK,
- words[1], NULL, atoi(words[3]));
- } else if (streq(words[0], "tdb_chainlock_mark")) {
- add_op(&op, i, OP_TDB_CHAINLOCK_MARK, words[1], NULL,
- 0);
- } else if (streq(words[0], "tdb_chainlock_unmark")) {
- add_op(&op, i, OP_TDB_CHAINLOCK_UNMARK, words[1], NULL,
- 0);
- } else if (streq(words[0], "tdb_chainunlock")) {
- add_op(&op, i, OP_TDB_CHAINUNLOCK, words[1], NULL, 0);
- } else if (streq(words[0], "tdb_chainlock_read")) {
- add_op(&op, i, OP_TDB_CHAINLOCK_READ, words[1],
- NULL, 0);
- } else if (streq(words[0], "tdb_chainunlock_read")) {
- add_op(&op, i, OP_TDB_CHAINUNLOCK_READ, words[1],
- NULL, 0);
- } else if (streq(words[0], "tdb_close")) {
- add_op(&op, i, OP_TDB_CLOSE, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_increment_seqnum_nonblock")) {
- add_op(&op, i, OP_TDB_INCREMENT_SEQNUM_NONBLOCK,
- NULL, NULL, 0);
- } else if (streq(words[0], "tdb_fetch")) {
- if (streq(words[3], "ENOENT"))
- add_op(&op, i, OP_TDB_FETCH, words[1], NULL,
- -TDB_ERR_NOEXIST);
- else
- add_op(&op, i, OP_TDB_FETCH, words[1], words[3],
- 0);
- } else if (streq(words[0], "tdb_parse_record")) {
- if (streq(words[3], "ENOENT"))
- add_op(&op, i, OP_TDB_PARSE_RECORD,
- words[1], NULL, -TDB_ERR_NOEXIST);
- else
- add_op(&op, i, OP_TDB_PARSE_RECORD,
- words[1], NULL, atoi(words[3]));
- } else if (streq(words[0], "tdb_exists")) {
- add_op(&op, i, OP_TDB_EXISTS, words[1], NULL,
- atoi(words[3]));
- } else if (streq(words[0], "tdb_delete")) {
- add_op(&op, i, OP_TDB_DELETE, words[1], NULL,
- streq(words[3], "ENOENT")
- ? -TDB_ERR_NOEXIST : 0);
- } else if (streq(words[0], "tdb_store")) {
- struct op *new;
-
- if (streq(words[5], "EEXIST"))
- new = add_op(&op, i, OP_TDB_STORE, words[2],
- words[3], -TDB_ERR_EXISTS);
- else if (streq(words[5], "ENOENT"))
- new = add_op(&op, i, OP_TDB_STORE, words[2],
- words[3], -TDB_ERR_NOEXIST);
- else
- new = add_op(&op, i, OP_TDB_STORE, words[2],
- words[3], 0);
- if (streq(words[1], "insert"))
- new->flag = TDB_INSERT;
- else if (streq(words[1], "modify"))
- new->flag = TDB_MODIFY;
- else if (streq(words[1], "normal"))
- new->flag = 0;
- else
- errx(1, "Line %u: invalid tdb_store", i+1);
- } else if (streq(words[0], "tdb_append")) {
- add_op(&op, i, OP_TDB_APPEND, words[1], words[2], 0);
- } else if (streq(words[0], "tdb_get_seqnum")) {
- add_op(&op, i, OP_TDB_GET_SEQNUM, NULL, NULL,
- atoi(words[2]));
- } else if (streq(words[0], "tdb_wipe_all")) {
- add_op(&op, i, OP_TDB_WIPE_ALL, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_transaction_start")) {
- add_op(&op, i, OP_TDB_TRANSACTION_START, NULL, NULL, 0);
- } else if (streq(words[0], "tdb_transaction_cancel")) {
- add_op(&op, i, OP_TDB_TRANSACTION_CANCEL, NULL, NULL,
- 0);
- } else if (streq(words[0], "tdb_transaction_commit")) {
- add_op(&op, i, OP_TDB_TRANSACTION_COMMIT, NULL, NULL,
- 0);
- } else if (streq(words[0], "tdb_traverse_read_start")) {
- add_op(&op, i, OP_TDB_TRAVERSE_READ_START, NULL, NULL,
- 0)->trav = NULL;
- } else if (streq(words[0], "tdb_traverse_start")) {
- add_op(&op, i, OP_TDB_TRAVERSE_START, NULL, NULL, 0)
- ->trav = NULL;
- } else if (streq(words[0], "tdb_traverse_end")) {
- /* = %u means traverse function terminated. */
- if (words[1] == NULL)
- add_op(&op, i, OP_TDB_TRAVERSE_END, NULL, NULL,
- 0);
- else
- add_op(&op, i, OP_TDB_TRAVERSE_END, NULL, NULL,
- atoi(words[2]));
- analyze_traverse(op, i);
- } else if (streq(words[0], "traverse")) {
- add_op(&op, i, OP_TDB_TRAVERSE, words[1], words[2], 0);
- } else if (streq(words[0], "tdb_firstkey")) {
- if (streq(words[2], "ENOENT"))
- add_op(&op, i, OP_TDB_FIRSTKEY, NULL, NULL,
- -TDB_ERR_NOEXIST);
- else
- add_op(&op, i, OP_TDB_FIRSTKEY, NULL, words[2],
- 0);
- } else if (streq(words[0], "tdb_nextkey")) {
- if (streq(words[3], "ENOENT"))
- add_op(&op, i, OP_TDB_NEXTKEY, words[1], NULL,
- -TDB_ERR_NOEXIST);
- else
- add_op(&op, i, OP_TDB_NEXTKEY,
- words[1], words[3], 0);
- } else
- errx(1, "Line %u: unknown op '%s'", i+1, words[0]);
+ err(1, "Opening tdb %s", argv[1]);
+
+ /* This catches parent exiting. */
+ if (read(fds[0], &c, 1) != 1)
+ exit(1);
+ run_ops(tdb, pipes[i].fd[0], argv[2+i],
+ op[i], 1, num_ops[i]);
+ exit(0);
+ default:
+ break;
+ }
}
- printf("Successfully input %u lines\n", i);
+ /* Let everything settle. */
+ sleep(1);
+
gettimeofday(&start, NULL);
- run_ops(tdb, op, 1, i-1);
+ /* Tell them all to go! Any write of sufficient length will do. */
+ if (write(fds[1], hashsize, i) != 1)
+ err(1, "Writing to wakeup pipe");
+
+ for (i = 0; i < argc - 2; i++) {
+ int status;
+ wait(&status);
+ if (!WIFEXITED(status))
+ errx(1, "Child died with signal");
+ if (WEXITSTATUS(status) != 0)
+ errx(1, "Child died with error code");
+ }
gettimeofday(&end, NULL);
- if (op[i-1].op != OP_TDB_CLOSE)
- warnx("Last operation is not tdb_close: incomplete?");
- tdb_close(tdb);
+
end.tv_sec -= start.tv_sec;
printf("Time replaying: %lu usec\n",
end.tv_sec * 1000000UL + (end.tv_usec - start.tv_usec));
+
exit(0);
}
--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ simple tdb dump util
+ Copyright (C) Andrew Tridgell 2001
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <ccan/tdb/tdb.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <ctype.h>
+
+static void print_data(TDB_DATA d)
+{
+ unsigned char *p = (unsigned char *)d.dptr;
+ int len = d.dsize;
+ while (len--) {
+ if (isprint(*p) && !strchr("\"\\", *p)) {
+ fputc(*p, stdout);
+ } else {
+ printf("\\%02X", *p);
+ }
+ p++;
+ }
+}
+
+static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+ printf("{\n");
+ printf("key(%d) = \"", (int)key.dsize);
+ print_data(key);
+ printf("\"\n");
+ printf("data(%d) = \"", (int)dbuf.dsize);
+ print_data(dbuf);
+ printf("\"\n");
+ printf("}\n");
+ return 0;
+}
+
+static int dump_tdb(const char *fname, const char *keyname)
+{
+ TDB_CONTEXT *tdb;
+ TDB_DATA key, value;
+
+ tdb = tdb_open(fname, 0, 0, O_RDONLY, 0);
+ if (!tdb) {
+ printf("Failed to open %s\n", fname);
+ return 1;
+ }
+
+ if (!keyname) {
+ tdb_traverse(tdb, traverse_fn, NULL);
+ } else {
+ key.dptr = (void *)keyname;
+ key.dsize = strlen( keyname);
+ value = tdb_fetch(tdb, key);
+ if (!value.dptr) {
+ return 1;
+ } else {
+ print_data(value);
+ free(value.dptr);
+ }
+ }
+
+ return 0;
+}
+
+static void usage( void)
+{
+ printf( "Usage: tdbdump [options] <filename>\n\n");
+ printf( " -h this help message\n");
+ printf( " -k keyname dumps value of keyname\n");
+}
+
+ int main(int argc, char *argv[])
+{
+ char *fname, *keyname=NULL;
+ int c;
+
+ if (argc < 2) {
+ printf("Usage: tdbdump <fname>\n");
+ exit(1);
+ }
+
+ while ((c = getopt( argc, argv, "hk:")) != -1) {
+ switch (c) {
+ case 'h':
+ usage();
+ exit( 0);
+ case 'k':
+ keyname = optarg;
+ break;
+ default:
+ usage();
+ exit( 1);
+ }
+ }
+
+ fname = argv[optind];
+
+ return dump_tdb(fname, keyname);
+}
#define DELETE_PROB 8
#define STORE_PROB 4
#define APPEND_PROB 6
+#if 0
#define TRANSACTION_PROB 10
#define TRANSACTION_PREPARE_PROB 2
#define LOCKSTORE_PROB 5
#define TRAVERSE_READ_PROB 20
#define TRAVERSE_MOD_PROB 100
#define TRAVERSE_ABORT_PROB 500
+#endif
#define CULL_PROB 100
#define KEYLEN 3
#define DATALEN 100
*/
int tdb_transaction_start(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_transaction_start\n");
+ tdb_trace(tdb, "tdb_transaction_start");
/* some sanity checks */
if (tdb->read_only || (tdb->flags & TDB_INTERNAL) || tdb->traverse_read) {
*/
int tdb_transaction_cancel(struct tdb_context *tdb)
{
- tdb_trace(tdb, "tdb_transaction_cancel\n");
+ tdb_trace(tdb, "tdb_transaction_cancel");
return tdb_transaction_cancel_internal(tdb);
}
/*
uint32_t zero = 0;
int i;
- tdb_trace(tdb, "tdb_transaction_commit\n");
+ tdb_trace(tdb, "tdb_transaction_commit");
if (tdb->transaction == NULL) {
TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_transaction_commit: no transaction\n"));
return -1;
dbuf.dptr = key.dptr + rec.key_len;
dbuf.dsize = rec.data_len;
- tdb_trace(tdb, "traverse ");
- tdb_trace_record(tdb, key);
- tdb_trace_record(tdb, dbuf);
- tdb_trace(tdb, "\n");
+ tdb_trace_1rec_retrec(tdb, "traverse", key, dbuf);
/* Drop chain lock, call out */
if (tdb_unlock(tdb, tl->hash, tl->lock_rw) != 0) {
}
if (fn && fn(tdb, key, dbuf, private_data)) {
/* They want us to terminate traversal */
- tdb_trace(tdb, "tdb_traverse_end = %i\n", count);
+ tdb_trace_ret(tdb, "tdb_traverse_end", count);
ret = count;
if (tdb_unlock_record(tdb, tl->off) != 0) {
TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_traverse: unlock_record failed!\n"));;
}
SAFE_FREE(key.dptr);
}
- tdb_trace(tdb, "tdb_traverse_end\n");
+ tdb_trace(tdb, "tdb_traverse_end");
out:
tdb->travlocks.next = tl->next;
if (ret < 0)
}
tdb->traverse_read++;
- tdb_trace(tdb, "tdb_traverse_read_start\n");
+ tdb_trace(tdb, "tdb_traverse_read_start");
ret = tdb_traverse_internal(tdb, fn, private_data, &tl);
tdb->traverse_read--;
}
tdb->traverse_write++;
- tdb_trace(tdb, "tdb_traverse_start\n");
+ tdb_trace(tdb, "tdb_traverse_start");
ret = tdb_traverse_internal(tdb, fn, private_data, &tl);
tdb->traverse_write--;
/* Grab first record: locks chain and returned record. */
if (tdb_next_lock(tdb, &tdb->travlocks, &rec) <= 0) {
- tdb_trace(tdb, "tdb_firstkey = ENOENT\n");
+ tdb_trace_retrec(tdb, "tdb_firstkey", tdb_null);
return tdb_null;
}
/* now read the key */
key.dsize = rec.key_len;
key.dptr =tdb_alloc_read(tdb,tdb->travlocks.off+sizeof(rec),key.dsize);
- tdb_trace(tdb, "tdb_firstkey = ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
+ tdb_trace_retrec(tdb, "tdb_firstkey", key);
/* Unlock the hash chain of the record we just read. */
if (tdb_unlock(tdb, tdb->travlocks.hash, tdb->travlocks.lock_rw) != 0)
|| memcmp(k, oldkey.dptr, oldkey.dsize) != 0) {
/* No, it wasn't: unlock it and start from scratch */
if (tdb_unlock_record(tdb, tdb->travlocks.off) != 0) {
- tdb_trace(tdb, "tdb_nextkey ");
- tdb_trace_record(tdb, oldkey);
- tdb_trace(tdb, "= ENOENT\n");
+ tdb_trace_1rec_retrec(tdb, "tdb_nextkey",
+ oldkey, tdb_null);
SAFE_FREE(k);
return tdb_null;
}
/* No previous element: do normal find, and lock record */
tdb->travlocks.off = tdb_find_lock_hash(tdb, oldkey, tdb->hash_fn(&oldkey), tdb->travlocks.lock_rw, &rec);
if (!tdb->travlocks.off) {
- tdb_trace(tdb, "tdb_nextkey ");
- tdb_trace_record(tdb, oldkey);
- tdb_trace(tdb, "= ENOENT\n");
+ tdb_trace_1rec_retrec(tdb, "tdb_nextkey", oldkey, tdb_null);
return tdb_null;
}
tdb->travlocks.hash = BUCKET(rec.full_hash);
/* Unlock the chain of old record */
if (tdb_unlock(tdb, BUCKET(oldhash), tdb->travlocks.lock_rw) != 0)
TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_nextkey: WARNING tdb_unlock failed!\n"));
- tdb_trace(tdb, "tdb_nextkey ");
- tdb_trace_record(tdb, oldkey);
- tdb_trace(tdb, "= ");
- tdb_trace_record(tdb, key);
- tdb_trace(tdb, "\n");
+ tdb_trace_1rec_retrec(tdb, "tdb_nextkey", oldkey, key);
return key;
}