From 748b06135085faa1b4287c9547392da0c096d8a4 Mon Sep 17 00:00:00 2001
From: Rich Prohaska <prohaska@tokutek.com>
Date: Tue, 16 Apr 2013 23:57:55 -0400
Subject: [PATCH] test recovery after a crash with open databases. closes #1845
git-svn-id: file:///svn/toku/tokudb@13127 c7de825b-a66e-492c-adef-691d508d4ae1
---
src/tests/xclose.c | 157 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 157 insertions(+)
create mode 100644 src/tests/xclose.c
diff --git a/src/tests/xclose.c b/src/tests/xclose.c
new file mode 100644
index 0000000000..c671fc3d73
--- /dev/null
+++ b/src/tests/xclose.c
@@ -0,0 +1,157 @@
+/*
+ * Test recovery when a crash occurs before all tables are closed (xclose --commit)
+ * Open two tables, A and B
+ * checkpoint
+ * insert a in A and commit
+ * insert b in B and commit
+ * close A
+ * abort the process
+ *
+ * Verify the recovery (xclose --recover)
+ */
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN |DB_RECOVER;
+char *namea="a.db";
+char *nameb="b.db";
+
+
+static void
+do_xclose (void) {
+ int r;
+ system("rm -rf " ENVDIR);
+ toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);
+ DB_ENV *env;
+ DB *dba, *dbb;
+ r = db_env_create(&env, 0); CKERR(r);
+ r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
+ r = db_create(&dba, env, 0); CKERR(r);
+ r = dba->open(dba, NULL, namea, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r);
+ r = db_create(&dbb, env, 0); CKERR(r);
+ r = dbb->open(dbb, NULL, nameb, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r);
+ r = env->txn_checkpoint(env, 0, 0, 0); CKERR(r);
+ DB_TXN *txn;
+ r = env->txn_begin(env, NULL, &txn, 0); CKERR(r);
+ {
+ DBT a={.data="a", .size=2};
+ DBT b={.data="b", .size=2};
+ r = dba->put(dba, txn, &a, &b, 0); CKERR(r);
+ r = dbb->put(dbb, txn, &b, &a, 0); CKERR(r);
+ }
+ //printf("opened\n");
+ r = txn->commit(txn, 0); CKERR(r);
+ r = dba->close(dba, 0); CKERR(r);
+ //printf("shutdown\n");
+ abort();
+}
+
+static void
+do_xclose_recover (BOOL did_commit) {
+ DB_ENV *env;
+ DB *dba, *dbb;
+ int r;
+ r = db_env_create(&env, 0); CKERR(r);
+ r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
+ r = db_create(&dba, env, 0); CKERR(r);
+ r = dba->open(dba, NULL, namea, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r);
+ r = db_create(&dbb, env, 0); CKERR(r);
+ r = dba->open(dbb, NULL, nameb, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r);
+ DBT aa={.size=0}, ab={.size=0};
+ DBT ba={.size=0}, bb={.size=0};
+ DB_TXN *txn;
+ DBC *ca,*cb;
+ r = env->txn_begin(env, NULL, &txn, 0); CKERR(r);
+ r = dba->cursor(dba, txn, &ca, 0); CKERR(r);
+ r = dbb->cursor(dbb, txn, &cb, 0); CKERR(r);
+ int ra = ca->c_get(ca, &aa, &ab, DB_FIRST); CKERR(r);
+ int rb = cb->c_get(cb, &ba, &bb, DB_FIRST); CKERR(r);
+ if (did_commit) {
+ assert(ra==0);
+ assert(rb==0);
+ // verify key-value pairs
+ assert(aa.size==2);
+ assert(ab.size==2);
+ assert(ba.size==2);
+ assert(bb.size==2);
+ const char a[2] = "a";
+ const char b[2] = "b";
+ assert(memcmp(aa.data, &a, 2)==0);
+ assert(memcmp(ab.data, &b, 2)==0);
+ assert(memcmp(ab.data, &b, 2)==0);
+ assert(memcmp(bb.data, &a, 2)==0);
+ // make sure no other entries in DB
+ assert(ca->c_get(ca, &aa, &ab, DB_NEXT) == DB_NOTFOUND);
+ assert(cb->c_get(cb, &ba, &bb, DB_NEXT) == DB_NOTFOUND);
+ fprintf(stderr, "Both verified. Yay!\n");
+ } else {
+ // It wasn't committed (it also wasn't aborted), but a checkpoint happened.
+ assert(ra==DB_NOTFOUND);
+ assert(rb==DB_NOTFOUND);
+ fprintf(stderr, "Neither present. Yay!\n");
+ }
+ r = ca->c_close(ca); CKERR(r);
+ r = cb->c_close(cb); CKERR(r);
+ r = txn->commit(txn, 0); CKERR(r);
+ r = dba->close(dba, 0); CKERR(r);
+ r = dbb->close(dbb, 0); CKERR(r);
+ r = env->close(env, 0); CKERR(r);
+ exit(0);
+}
+
+
+BOOL do_commit=FALSE, do_recover=FALSE;
+char *cmd;
+
+static void
+xclose_parse_args (int argc, char *argv[]) {
+ int resultcode;
+ cmd = argv[0];
+ argc--; argv++;
+ while (argc>0) {
+ if (strcmp(argv[0], "-v") == 0) {
+ verbose++;
+ } else if (strcmp(argv[0],"-q")==0) {
+ verbose--;
+ if (verbose<0) verbose=0;
+ } else if (strcmp(argv[0],"--commit")==0) {
+ do_commit=1;
+ } else if (strcmp(argv[0],"--recover")==0) {
+ do_recover=1;
+ } else if (strcmp(argv[0], "-h")==0) {
+ resultcode=0;
+ do_usage:
+ fprintf(stderr, "Usage:\n%s [-v|-q]* [-h] {--commit | --abort | --explicit-abort | --recover-committed | --recover-aborted } \n", cmd);
+ exit(resultcode);
+ } else {
+ fprintf(stderr, "Unknown arg: %s\n", argv[0]);
+ resultcode=1;
+ goto do_usage;
+ }
+ argc--;
+ argv++;
+ }
+ {
+ int n_specified=0;
+ if (do_commit) n_specified++;
+ if (do_recover) n_specified++;
+ if (n_specified>1) {
+ printf("Specify only one of --commit or --recover\n");
+ resultcode=1;
+ goto do_usage;
+ }
+ }
+}
+
+int
+test_main (int argc, char *argv[])
+{
+ xclose_parse_args(argc, argv);
+ if (do_commit) {
+ do_xclose ();
+ } else if (do_recover) {
+ do_xclose_recover(TRUE);
+ }
+ return 0;
+}
--
2.30.9