add mtest7

Change-Id: I27756677fda2f16408689dfd856e0d5fc62fd517
erthink · Sep 9, 2018 · 20f1eb4 · 20f1eb4
1 parent 1ffe472
commit 20f1eb4
Show file tree

Hide file tree

Showing 2 changed files with 149 additions and 2 deletions.
diff --git a/libraries/liblmdb/Makefile b/libraries/liblmdb/Makefile
@@ -41,7 +41,10 @@ IHDRS	= lmdb.h
 ILIBS	= liblmdb.a liblmdb$(SOEXT)
 IPROGS	= mdb_stat mdb_copy mdb_dump mdb_load mdb_drop
 IDOCS	= mdb_stat.1 mdb_copy.1 mdb_dump.1 mdb_load.1 mdb_drop.1
-PROGS	= $(IPROGS) mtest mtest2 mtest3 mtest4 mtest5
+PROGS	= $(IPROGS) mtest mtest2 mtest3 mtest4 mtest5 mtest7
+t7: mtest7
+	./mtest7 > log && echo "PASS"
+
 all:	$(ILIBS) $(PROGS)
 
 install: $(ILIBS) $(IPROGS) $(IHDRS)
@@ -59,7 +62,7 @@ clean:
 
 test:	all
 	rm -rf testdb && mkdir testdb
-	./mtest && ./mdb_stat testdb
+	./mtest7 && ./mdb_stat testdb
 
 liblmdb.a:	mdb.o midl.o
 	$(AR) rs $@ mdb.o midl.o
@@ -79,6 +82,7 @@ mtest3:	mtest3.o liblmdb.a
 mtest4:	mtest4.o liblmdb.a
 mtest5:	mtest5.o liblmdb.a
 mtest6:	mtest6.o liblmdb.a
+mtest7:	mtest7.o liblmdb.a
 
 mdb.o: mdb.c lmdb.h midl.h
 	$(CC) $(CFLAGS) $(CPPFLAGS) -c mdb.c

diff --git a/libraries/liblmdb/mtest7.c b/libraries/liblmdb/mtest7.c
@@ -0,0 +1,143 @@
+/* mtest.c - memory-mapped database tester/toy */
+/*
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+#include "lmdb.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.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;
+  MDB_env *env;
+  MDB_dbi dbi;
+  MDB_val key, data;
+  MDB_txn *txn;
+  MDB_stat mst;
+  MDB_cursor *cursor, *cur2;
+  MDB_cursor_op op;
+  int count = 20000;
+  char sval[32] = "";
+  char shortkey[8], longkey[32];
+
+  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", 0 /*|MDB_NOSYNC*/, 0664));
+
+  E(mdb_txn_begin(env, NULL, 0, &txn));
+  E(mdb_dbi_open(txn, NULL, 0, &dbi));
+
+  key.mv_size = sizeof(shortkey);
+  key.mv_data = shortkey;
+
+  printf("Adding %d short keys\n", count);
+  sprintf(sval, "short");
+  data.mv_size = sizeof(sval);
+  data.mv_data = sval;
+  for (i = 0; i < count; i++) {
+    sprintf(shortkey, "%08d", i);
+    /* Set <data> in each iteration, since MDB_NOOVERWRITE may modify it */
+    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);
+  E(mdb_txn_commit(txn));
+  E(mdb_env_stat(env, &mst));
+
+  key.mv_size = sizeof(longkey);
+  key.mv_data = longkey;
+
+  printf("Adding %d long keys\n", count);
+  E(mdb_txn_begin(env, NULL, 0, &txn));
+  sprintf(sval, "long");
+  data.mv_size = sizeof(sval);
+  data.mv_data = sval;
+
+  j = 0;
+  for (i = 0; i < count; i++) {
+    sprintf(longkey, "%08dlong key", i);
+    /* Set <data> in each iteration, since MDB_NOOVERWRITE may modify it */
+    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);
+  E(mdb_txn_commit(txn));
+  E(mdb_env_stat(env, &mst));
+
+  printf("Deleting %d short keys\n", count);
+  key.mv_size = sizeof(shortkey);
+  key.mv_data = shortkey;
+  for (i = 0; i < count; i++) {
+    txn = NULL;
+    E(mdb_txn_begin(env, NULL, 0, &txn));
+    sprintf(shortkey, "%08d ", i);
+    if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, NULL))) {
+      j--;
+      mdb_txn_abort(txn);
+    } else {
+      E(mdb_txn_commit(txn));
+    }
+  }
+  printf("Deleted %d values\n", i);
+
+  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");
+  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);
+  printf("Cursor prev\n");
+  while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 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/prev\n");
+  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);
+  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);
+
+  mdb_dbi_close(env, dbi);
+  mdb_env_close(env);
+
+  return 0;
+}