[PATCH] Added tdb code from latest cvs version in the samba tree

1 files changed, 263 insertions, 0 deletions

diff --git a/tdb/tdbtest.c b/tdb/tdbtest.c
new file mode 100644
index 0000000000..89295a3291
--- /dev/null
+++ b/tdb/tdbtest.c
@@ -0,0 +1,263 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <signal.h>
+#include "tdb.h"
+#include <gdbm.h>
+
+/* a test program for tdb - the trivial database */
+
+
+
+#define DELETE_PROB 7
+#define STORE_PROB 5
+
+static TDB_CONTEXT *db;
+static GDBM_FILE gdbm;
+
+struct timeval tp1,tp2;
+
+static void start_timer(void)
+{
+	gettimeofday(&tp1,NULL);
+}
+
+static double end_timer(void)
+{
+	gettimeofday(&tp2,NULL);
+	return((tp2.tv_sec - tp1.tv_sec) + 
+	       (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
+}
+
+static void fatal(char *why)
+{
+	perror(why);
+	exit(1);
+}
+
+static void tdb_log(TDB_CONTEXT *tdb, int level, const char *format, ...)
+{
+	va_list ap;
+    
+	va_start(ap, format);
+	vfprintf(stdout, format, ap);
+	va_end(ap);
+	fflush(stdout);
+}
+
+static void compare_db(void)
+{
+	TDB_DATA d, key, nextkey;
+	datum gd, gkey, gnextkey;
+
+	key = tdb_firstkey(db);
+	while (key.dptr) {
+		d = tdb_fetch(db, key);
+		gkey.dptr = key.dptr;
+		gkey.dsize = key.dsize;
+
+		gd = gdbm_fetch(gdbm, gkey);
+
+		if (!gd.dptr) fatal("key not in gdbm");
+		if (gd.dsize != d.dsize) fatal("data sizes differ");
+		if (memcmp(gd.dptr, d.dptr, d.dsize)) {
+			fatal("data differs");
+		}
+
+		nextkey = tdb_nextkey(db, key);
+		free(key.dptr);
+		free(d.dptr);
+		free(gd.dptr);
+		key = nextkey;
+	}
+
+	gkey = gdbm_firstkey(gdbm);
+	while (gkey.dptr) {
+		gd = gdbm_fetch(gdbm, gkey);
+		key.dptr = gkey.dptr;
+		key.dsize = gkey.dsize;
+
+		d = tdb_fetch(db, key);
+
+		if (!d.dptr) fatal("key not in db");
+		if (d.dsize != gd.dsize) fatal("data sizes differ");
+		if (memcmp(d.dptr, gd.dptr, gd.dsize)) {
+			fatal("data differs");
+		}
+
+		gnextkey = gdbm_nextkey(gdbm, gkey);
+		free(gkey.dptr);
+		free(gd.dptr);
+		free(d.dptr);
+		gkey = gnextkey;
+	}
+}
+
+static char *randbuf(int len)
+{
+	char *buf;
+	int i;
+	buf = (char *)malloc(len+1);
+
+	for (i=0;i<len;i++) {
+		buf[i] = 'a' + (rand() % 26);
+	}
+	buf[i] = 0;
+	return buf;
+}
+
+static void addrec_db(void)
+{
+	int klen, dlen;
+	char *k, *d;
+	TDB_DATA key, data;
+
+	klen = 1 + (rand() % 4);
+	dlen = 1 + (rand() % 100);
+
+	k = randbuf(klen);
+	d = randbuf(dlen);
+
+	key.dptr = k;
+	key.dsize = klen+1;
+
+	data.dptr = d;
+	data.dsize = dlen+1;
+
+	if (rand() % DELETE_PROB == 0) {
+		tdb_delete(db, key);
+	} else if (rand() % STORE_PROB == 0) {
+		if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
+			fatal("tdb_store failed");
+		}
+	} else {
+		data = tdb_fetch(db, key);
+		if (data.dptr) free(data.dptr);
+	}
+
+	free(k);
+	free(d);
+}
+
+static void addrec_gdbm(void)
+{
+	int klen, dlen;
+	char *k, *d;
+	datum key, data;
+
+	klen = 1 + (rand() % 4);
+	dlen = 1 + (rand() % 100);
+
+	k = randbuf(klen);
+	d = randbuf(dlen);
+
+	key.dptr = k;
+	key.dsize = klen+1;
+
+	data.dptr = d;
+	data.dsize = dlen+1;
+
+	if (rand() % DELETE_PROB == 0) {
+		gdbm_delete(gdbm, key);
+	} else if (rand() % STORE_PROB == 0) {
+		if (gdbm_store(gdbm, key, data, GDBM_REPLACE) != 0) {
+			fatal("gdbm_store failed");
+		}
+	} else {
+		data = gdbm_fetch(gdbm, key);
+		if (data.dptr) free(data.dptr);
+	}
+
+	free(k);
+	free(d);
+}
+
+static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+#if 0
+	printf("[%s] [%s]\n", key.dptr, dbuf.dptr);
+#endif
+	tdb_delete(tdb, key);
+	return 0;
+}
+
+static void merge_test(void)
+{
+	int i;
+	char keys[5][2];
+	TDB_DATA key, data;
+	
+	for (i = 0; i < 5; i++) {
+		sprintf(keys[i], "%d", i);
+		key.dptr = keys[i];
+		key.dsize = 2;
+		
+		data.dptr = "test";
+		data.dsize = 4;
+		
+		if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
+			fatal("tdb_store failed");
+		}
+	}
+
+	key.dptr = keys[0];
+	tdb_delete(db, key);
+	key.dptr = keys[4];
+	tdb_delete(db, key);
+	key.dptr = keys[2];
+	tdb_delete(db, key);
+	key.dptr = keys[1];
+	tdb_delete(db, key);
+	key.dptr = keys[3];
+	tdb_delete(db, key);
+}
+	
+int main(int argc, char *argv[])
+{
+	int i, seed=0;
+	int loops = 10000;
+
+	unlink("test.gdbm");
+
+	db = tdb_open("test.tdb", 0, TDB_CLEAR_IF_FIRST, 
+		      O_RDWR | O_CREAT | O_TRUNC, 0600);
+	gdbm = gdbm_open("test.gdbm", 512, GDBM_WRITER|GDBM_NEWDB|GDBM_FAST, 
+			 0600, NULL);
+
+	if (!db || !gdbm) {
+		fatal("db open failed");
+	}
+
+	tdb_logging_function(db, tdb_log);
+	
+#if 1
+	srand(seed);
+	start_timer();
+	for (i=0;i<loops;i++) addrec_gdbm();
+	printf("gdbm got %.2f ops/sec\n", i/end_timer());
+#endif
+
+	merge_test();
+
+	srand(seed);
+	start_timer();
+	for (i=0;i<loops;i++) addrec_db();
+	printf("tdb got %.2f ops/sec\n", i/end_timer());
+
+	compare_db();
+
+	printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));
+	printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));
+
+	tdb_close(db);
+	gdbm_close(gdbm);
+
+	return 0;
+}