verify that a db pointer is supplied to a compare function during recovery refs[t:2058]

git-svn-id: file:///svn/toku/tokudb@14953 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/recover-compare-db.c

+// verify that the comparison function get a valid db object pointer
+
+#include <sys/stat.h>
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN;
+char *namea="a.db";
+char *nameb="b.db";
+
+static int my_compare(DB *UU(db), const DBT *a, const DBT *b) {
+    assert(db);
+    assert(a->size == b->size);
+    return memcmp(a->data, b->data, a->size);
+}   
+
+static void
+do_x1_shutdown (BOOL do_commit, BOOL do_abort) {
+    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->set_default_bt_compare(env, my_compare);                                   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);
+    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 = env->txn_checkpoint(env, 0, 0, 0);                                          CKERR(r);
+	r = dba->put(dba, txn, &b, &a, 0);                                              CKERR(r);
+	r = dbb->put(dbb, txn, &b, &a, 0);                                              CKERR(r);
+    }
+    //printf("opened\n");
+    if (do_commit) {
+	r = txn->commit(txn, 0);                                                        CKERR(r);
+    } else if (do_abort) {
+        r = txn->abort(txn);                                                            CKERR(r);
+        
+        // force an fsync of the log
+        r = env->txn_begin(env, NULL, &txn, 0);                                         CKERR(r);
+        r = txn->commit(txn, 0);                                                        CKERR(r);
+    }
+    //printf("shutdown\n");
+    abort();
+}
+
+static void
+do_x1_recover (BOOL did_commit) {
+    DB_ENV *env;
+    DB *dba, *dbb;
+    int r;
+    r = db_env_create(&env, 0);                                                             CKERR(r);
+    r = env->set_default_bt_compare(env, my_compare);                                       CKERR(r);
+    r = env->open(env, ENVDIR, envflags|DB_RECOVER, 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);
+	assert(ca->c_get(ca, &aa, &ab, DB_NEXT) == 0);
+        assert(aa.size == 2 && ab.size == 2 && memcmp(aa.data, b, 2) == 0 && memcmp(ab.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);
+}
+
+static void
+do_x1_recover_only (void) {
+    DB_ENV *env;
+    int r;
+
+    r = db_env_create(&env, 0);                                                             CKERR(r);
+    r = env->open(env, ENVDIR, envflags|DB_RECOVER, S_IRWXU+S_IRWXG+S_IRWXO);                          CKERR(r);
+    r = env->close(env, 0);                                                                 CKERR(r);
+    exit(0);
+}
+
+static void
+do_x1_no_recover (void) {
+    DB_ENV *env;
+    int r;
+
+    r = db_env_create(&env, 0);                                                             CKERR(r);
+    r = env->open(env, ENVDIR, envflags & ~DB_RECOVER, S_IRWXU+S_IRWXG+S_IRWXO);
+    assert(r == DB_RUNRECOVERY);
+    r = env->close(env, 0);                                                                 CKERR(r);
+    exit(0);
+}
+
+const char *cmd;
+
+#if 0
+
+static void
+do_test_internal (BOOL commit)
+{
+    pid_t pid;
+    if (0 == (pid=fork())) {
+	int r=execl(cmd, verbose ? "-v" : "-q", commit ? "--commit" : "--abort", NULL);
+	assert(r==-1);
+	printf("execl failed: %d (%s)\n", errno, strerror(errno));
+	assert(0);
+    }
+    {
+	int r;
+	int status;
+	r = waitpid(pid, &status, 0);
+	//printf("signaled=%d sig=%d\n", WIFSIGNALED(status), WTERMSIG(status));
+	assert(WIFSIGNALED(status) && WTERMSIG(status)==SIGABRT);
+    }
+    // Now find out what happend
+    
+    if (0 == (pid = fork())) {
+	int r=execl(cmd, verbose ? "-v" : "-q", commit ? "--recover-committed" : "--recover-aborted", NULL);
+	assert(r==-1);
+	printf("execl failed: %d (%s)\n", errno, strerror(errno));
+	assert(0);
+    }
+    {
+	int r;
+	int status;
+	r = waitpid(pid, &status, 0);
+	//printf("recovery exited=%d\n", WIFEXITED(status));
+	assert(WIFEXITED(status) && WEXITSTATUS(status)==0);
+    }
+}
+
+static void
+do_test (void) {
+    do_test_internal(TRUE);
+    do_test_internal(FALSE);
+}
+
+#endif
+
+
+BOOL do_commit=FALSE, do_abort=FALSE, do_explicit_abort=FALSE, do_recover_committed=FALSE,  do_recover_aborted=FALSE, do_recover_only=FALSE, do_no_recover = FALSE;
+
+static void
+x1_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 || strcmp(argv[0], "--test") == 0) {
+	    do_commit=TRUE;
+	} else if (strcmp(argv[0], "--abort")==0) {
+	    do_abort=TRUE;
+	} else if (strcmp(argv[0], "--explicit-abort")==0) {
+	    do_explicit_abort=TRUE;
+	} else if (strcmp(argv[0], "--recover-committed")==0 || strcmp(argv[0], "--recover") == 0) {
+	    do_recover_committed=TRUE;
+	} else if (strcmp(argv[0], "--recover-aborted")==0) {
+	    do_recover_aborted=TRUE;
+        } else if (strcmp(argv[0], "--recover-only") == 0) {
+            do_recover_only=TRUE;
+        } else if (strcmp(argv[0], "--no-recover") == 0) {
+            do_no_recover=TRUE;
+	} 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_abort)             n_specified++;
+	if (do_explicit_abort)    n_specified++;
+	if (do_recover_committed) n_specified++;
+	if (do_recover_aborted)   n_specified++;
+	if (do_recover_only)      n_specified++;
+	if (do_no_recover)        n_specified++;
+	if (n_specified>1) {
+	    printf("Specify only one of --commit or --abort or --recover-committed or --recover-aborted\n");
+	    resultcode=1;
+	    goto do_usage;
+	}
+    }
+}
+
+int
+test_main (int argc, char *argv[])
+{
+    x1_parse_args(argc, argv);
+    if (do_commit) {
+	do_x1_shutdown (TRUE, FALSE);
+    } else if (do_abort) {
+	do_x1_shutdown (FALSE, FALSE);
+    } else if (do_explicit_abort) {
+        do_x1_shutdown(FALSE, TRUE);
+    } else if (do_recover_committed) {
+	do_x1_recover(TRUE);
+    } else if (do_recover_aborted) {
+	do_x1_recover(FALSE);
+    } else if (do_recover_only) {
+        do_x1_recover_only();
+    } else if (do_no_recover) {
+        do_x1_no_recover();
+    } 
+#if 0
+    else {
+	do_test();
+    }
+#endif
+    return 0;
+}