X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Fliblmdb%2Fmtest.c;h=6fc5840c3f870db893adc5e342136a27343860cd;hb=385193cd520c3b238fe9048d47e8abf8383386bc;hp=dbc69b8d4cae06d9be11fe0c637b5ae5949e8ede;hpb=b711c07f3432d104612fd3186a22dab6f2369570;p=openldap

diff --git a/libraries/liblmdb/mtest.c b/libraries/liblmdb/mtest.c
index dbc69b8d4c..6fc5840c3f 100644
--- a/libraries/liblmdb/mtest.c
+++ b/libraries/liblmdb/mtest.c
@@ -1,6 +1,6 @@
 /* mtest.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -11,12 +11,16 @@
  * top-level directory of the distribution or, alternatively, at
  * <http://www.OpenLDAP.org/license.html>.
  */
-#define _XOPEN_SOURCE 500		/* srandom(), random() */
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
 #include "lmdb.h"
 
+#define E(expr) CHECK((rc = (expr)) == MDB_SUCCESS, #expr)
+#define RES(err, expr) ((rc = expr) == (err) || (CHECK(!rc, #expr), 0))
+#define CHECK(test, msg) ((test) ? (void)0 : ((void)fprintf(stderr, \
+	"%s:%d: %s: %s\n", __FILE__, __LINE__, msg, mdb_strerror(rc)), abort()))
+
 int main(int argc,char * argv[])
 {
 	int i = 0, j = 0, rc;
@@ -26,83 +30,87 @@ int main(int argc,char * argv[])
 	MDB_txn *txn;
 	MDB_stat mst;
 	MDB_cursor *cursor, *cur2;
+	MDB_cursor_op op;
 	int count;
 	int *values;
-	char sval[32];
+	char sval[32] = "";
 
-	srandom(time(NULL));
+	srand(time(NULL));
 
-	    count = (random()%384) + 64;
+	    count = (rand()%384) + 64;
 	    values = (int *)malloc(count*sizeof(int));
 
 	    for(i = 0;i<count;i++) {
-			values[i] = random()%1024;
+			values[i] = rand()%1024;
 	    }
     
-		rc = mdb_env_create(&env);
-		rc = mdb_env_set_mapsize(env, 10485760);
-		rc = mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, 0664);
-		rc = mdb_txn_begin(env, NULL, 0, &txn);
-		rc = mdb_open(txn, NULL, 0, &dbi);
+		E(mdb_env_create(&env));
+		E(mdb_env_set_maxreaders(env, 1));
+		E(mdb_env_set_mapsize(env, 10485760));
+		E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, 0664));
+
+		E(mdb_txn_begin(env, NULL, 0, &txn));
+		E(mdb_dbi_open(txn, NULL, 0, &dbi));
    
 		key.mv_size = sizeof(int);
 		key.mv_data = sval;
-		data.mv_size = sizeof(sval);
-		data.mv_data = sval;
 
 		printf("Adding %d values\n", count);
 	    for (i=0;i<count;i++) {	
 			sprintf(sval, "%03x %d foo bar", values[i], values[i]);
-			rc = mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE);
-			if (rc) {
+			/* Set <data> in each iteration, since MDB_NOOVERWRITE may modify it */
+			data.mv_size = sizeof(sval);
+			data.mv_data = sval;
+			if (RES(MDB_KEYEXIST, mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE))) {
 				j++;
 				data.mv_size = sizeof(sval);
 				data.mv_data = sval;
 			}
 	    }
 		if (j) printf("%d duplicates skipped\n", j);
-		rc = mdb_txn_commit(txn);
-		rc = mdb_env_stat(env, &mst);
+		E(mdb_txn_commit(txn));
+		E(mdb_env_stat(env, &mst));
 
-		rc = mdb_txn_begin(env, NULL, 1, &txn);
-		rc = mdb_cursor_open(txn, dbi, &cursor);
+		E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
+		E(mdb_cursor_open(txn, dbi, &cursor));
 		while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
 			printf("key: %p %.*s, data: %p %.*s\n",
 				key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
 				data.mv_data, (int) data.mv_size, (char *) data.mv_data);
 		}
+		CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
 		mdb_cursor_close(cursor);
 		mdb_txn_abort(txn);
 
 		j=0;
 		key.mv_data = sval;
-	    for (i= count - 1; i > -1; i-= (random()%5)) {	
+	    for (i= count - 1; i > -1; i-= (rand()%5)) {
 			j++;
 			txn=NULL;
-			rc = mdb_txn_begin(env, NULL, 0, &txn);
+			E(mdb_txn_begin(env, NULL, 0, &txn));
 			sprintf(sval, "%03x ", values[i]);
-			rc = mdb_del(txn, dbi, &key, NULL);
-			if (rc) {
+			if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, NULL))) {
 				j--;
 				mdb_txn_abort(txn);
 			} else {
-				rc = mdb_txn_commit(txn);
+				E(mdb_txn_commit(txn));
 			}
 	    }
 	    free(values);
 		printf("Deleted %d values\n", j);
 
-		rc = mdb_env_stat(env, &mst);
-		rc = mdb_txn_begin(env, NULL, 1, &txn);
-		rc = mdb_cursor_open(txn, dbi, &cursor);
+		E(mdb_env_stat(env, &mst));
+		E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
+		E(mdb_cursor_open(txn, dbi, &cursor));
 		printf("Cursor next\n");
 		while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
 			printf("key: %.*s, data: %.*s\n",
 				(int) key.mv_size,  (char *) key.mv_data,
 				(int) data.mv_size, (char *) data.mv_data);
 		}
+		CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
 		printf("Cursor last\n");
-		rc = mdb_cursor_get(cursor, &key, &data, MDB_LAST);
+		E(mdb_cursor_get(cursor, &key, &data, MDB_LAST));
 		printf("key: %.*s, data: %.*s\n",
 			(int) key.mv_size,  (char *) key.mv_data,
 			(int) data.mv_size, (char *) data.mv_data);
@@ -112,64 +120,57 @@ int main(int argc,char * argv[])
 				(int) key.mv_size,  (char *) key.mv_data,
 				(int) data.mv_size, (char *) data.mv_data);
 		}
+		CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
 		printf("Cursor last/prev\n");
-		rc = mdb_cursor_get(cursor, &key, &data, MDB_LAST);
+		E(mdb_cursor_get(cursor, &key, &data, MDB_LAST));
 			printf("key: %.*s, data: %.*s\n",
 				(int) key.mv_size,  (char *) key.mv_data,
 				(int) data.mv_size, (char *) data.mv_data);
-		rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV);
+		E(mdb_cursor_get(cursor, &key, &data, MDB_PREV));
 			printf("key: %.*s, data: %.*s\n",
 				(int) key.mv_size,  (char *) key.mv_data,
 				(int) data.mv_size, (char *) data.mv_data);
 
+		mdb_cursor_close(cursor);
 		mdb_txn_abort(txn);
 
 		printf("Deleting with cursor\n");
-		rc = mdb_txn_begin(env, NULL, 0, &txn);
-		rc = mdb_cursor_open(txn, dbi, &cur2);
+		E(mdb_txn_begin(env, NULL, 0, &txn));
+		E(mdb_cursor_open(txn, dbi, &cur2));
 		for (i=0; i<50; i++) {
-			rc = mdb_cursor_get(cur2, &key, &data, MDB_NEXT);
-			if (rc)
+			if (RES(MDB_NOTFOUND, mdb_cursor_get(cur2, &key, &data, MDB_NEXT)))
 				break;
 			printf("key: %p %.*s, data: %p %.*s\n",
 				key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
 				data.mv_data, (int) data.mv_size, (char *) data.mv_data);
-			rc = mdb_del(txn, dbi, &key, NULL);
+			E(mdb_del(txn, dbi, &key, NULL));
 		}
 
 		printf("Restarting cursor in txn\n");
-		rc = mdb_cursor_get(cur2, &key, &data, MDB_FIRST);
-		printf("key: %p %.*s, data: %p %.*s\n",
-			key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
-			data.mv_data, (int) data.mv_size, (char *) data.mv_data);
-		for (i=0; i<32; i++) {
-			rc = mdb_cursor_get(cur2, &key, &data, MDB_NEXT);
-			if (rc) break;
+		for (op=MDB_FIRST, i=0; i<=32; op=MDB_NEXT, i++) {
+			if (RES(MDB_NOTFOUND, mdb_cursor_get(cur2, &key, &data, op)))
+				break;
 			printf("key: %p %.*s, data: %p %.*s\n",
 				key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
 				data.mv_data, (int) data.mv_size, (char *) data.mv_data);
 		}
 		mdb_cursor_close(cur2);
-		rc = mdb_txn_commit(txn);
+		E(mdb_txn_commit(txn));
 
 		printf("Restarting cursor outside txn\n");
-		rc = mdb_txn_begin(env, NULL, 0, &txn);
-		rc = mdb_cursor_open(txn, dbi, &cursor);
-		rc = mdb_cursor_get(cursor, &key, &data, MDB_FIRST);
-		printf("key: %p %.*s, data: %p %.*s\n",
-			key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
-			data.mv_data, (int) data.mv_size, (char *) data.mv_data);
-		for (i=0; i<32; i++) {
-			rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT);
-			if (rc) break;
+		E(mdb_txn_begin(env, NULL, 0, &txn));
+		E(mdb_cursor_open(txn, dbi, &cursor));
+		for (op=MDB_FIRST, i=0; i<=32; op=MDB_NEXT, i++) {
+			if (RES(MDB_NOTFOUND, mdb_cursor_get(cursor, &key, &data, op)))
+				break;
 			printf("key: %p %.*s, data: %p %.*s\n",
 				key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
 				data.mv_data, (int) data.mv_size, (char *) data.mv_data);
 		}
 		mdb_cursor_close(cursor);
-		mdb_close(env, dbi);
-
 		mdb_txn_abort(txn);
+
+		mdb_dbi_close(env, dbi);
 		mdb_env_close(env);
 
 	return 0;