Example #1
0
/* Test client api; open log by name and process */
static int llog_test_6(const struct lu_env *env, struct obd_device *obd,
		       char *name)
{
	struct obd_device	*mgc_obd;
	struct llog_ctxt	*ctxt;
	struct obd_uuid		*mgs_uuid;
	struct obd_export	*exp;
	struct obd_uuid		 uuid = { "LLOG_TEST6_UUID" };
	struct llog_handle	*llh = NULL;
	struct llog_ctxt	*nctxt;
	int			 rc, rc2;

	ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
	LASSERT(ctxt);
	mgs_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;

	CWARN("6a: re-open log %s using client API\n", name);
	mgc_obd = class_find_client_obd(mgs_uuid, LUSTRE_MGC_NAME, NULL);
	if (mgc_obd == NULL) {
		CERROR("6a: no MGC devices connected to %s found.\n",
		       mgs_uuid->uuid);
		GOTO(ctxt_release, rc = -ENOENT);
	}

	rc = obd_connect(NULL, &exp, mgc_obd, &uuid,
			 NULL /* obd_connect_data */, NULL);
	if (rc != -EALREADY) {
		CERROR("6a: connect on connected MGC (%s) failed to return"
		       " -EALREADY", mgc_obd->obd_name);
		if (rc == 0)
			obd_disconnect(exp);
		GOTO(ctxt_release, rc = -EINVAL);
	}

	nctxt = llog_get_context(mgc_obd, LLOG_CONFIG_REPL_CTXT);
	rc = llog_open(env, nctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
	if (rc) {
		CERROR("6a: llog_open failed %d\n", rc);
		GOTO(nctxt_put, rc);
	}

	rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
	if (rc) {
		CERROR("6a: llog_init_handle failed %d\n", rc);
		GOTO(parse_out, rc);
	}

	plain_counter = 1; /* llog header is first record */
	CWARN("6b: process log %s using client API\n", name);
	rc = llog_process(env, llh, plain_print_cb, NULL, NULL);
	if (rc)
		CERROR("6b: llog_process failed %d\n", rc);
	CWARN("6b: processed %d records\n", plain_counter);

	rc = verify_handle("6b", llh, plain_counter);
	if (rc)
		GOTO(parse_out, rc);

	plain_counter = 1; /* llog header is first record */
	CWARN("6c: process log %s reversely using client API\n", name);
	rc = llog_reverse_process(env, llh, plain_print_cb, NULL, NULL);
	if (rc)
		CERROR("6c: llog_reverse_process failed %d\n", rc);
	CWARN("6c: processed %d records\n", plain_counter);

	rc = verify_handle("6c", llh, plain_counter);
	if (rc)
		GOTO(parse_out, rc);

parse_out:
	rc2 = llog_close(env, llh);
	if (rc2) {
		CERROR("6: llog_close failed: rc = %d\n", rc2);
		if (rc == 0)
			rc = rc2;
	}
nctxt_put:
	llog_ctxt_put(nctxt);
ctxt_release:
	llog_ctxt_put(ctxt);
	return rc;
}
Example #2
0
static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
{
	struct llog_handle	*llh;
	int			 rc = 0, i, process_count;
	int			 num_recs = 0;

	rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
	if (rc) {
		CERROR("7_sub: create log failed\n");
		return rc;
	}

	rc = llog_init_handle(env, llh,
			      LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
			      &uuid);
	if (rc) {
		CERROR("7_sub: can't init llog handle: %d\n", rc);
		GOTO(out_close, rc);
	}
	for (i = 0; i < LLOG_BITMAP_SIZE(llh->lgh_hdr); i++) {
		rc = llog_write(env, llh, &llog_records.lrh, NULL, 0,
				NULL, -1);
		if (rc == -ENOSPC) {
			break;
		} else if (rc < 0) {
			CERROR("7_sub: write recs failed at #%d: %d\n",
			       i + 1, rc);
			GOTO(out_close, rc);
		}
		num_recs++;
	}
	if (rc != -ENOSPC) {
		CWARN("7_sub: write record more than BITMAP size!\n");
		GOTO(out_close, rc = -EINVAL);
	}

	rc = verify_handle("7_sub", llh, num_recs + 1);
	if (rc) {
		CERROR("7_sub: verify handle failed: %d\n", rc);
		GOTO(out_close, rc);
	}
	if (num_recs < LLOG_BITMAP_SIZE(llh->lgh_hdr) - 1)
		CWARN("7_sub: records are not aligned, written %d from %u\n",
		      num_recs, LLOG_BITMAP_SIZE(llh->lgh_hdr) - 1);

	plain_counter = 0;
	rc = llog_process(env, llh, test_7_print_cb, "test 7", NULL);
	if (rc) {
		CERROR("7_sub: llog process failed: %d\n", rc);
		GOTO(out_close, rc);
	}
	process_count = plain_counter;
	if (process_count != num_recs) {
		CERROR("7_sub: processed %d records from %d total\n",
		       process_count, num_recs);
		GOTO(out_close, rc = -EINVAL);
	}

	plain_counter = 0;
	rc = llog_reverse_process(env, llh, test_7_cancel_cb, "test 7", NULL);
	if (rc) {
		CERROR("7_sub: reverse llog process failed: %d\n", rc);
		GOTO(out_close, rc);
	}
	if (process_count != plain_counter) {
		CERROR("7_sub: Reverse/direct processing found different"
		       "number of records: %d/%d\n",
		       plain_counter, process_count);
		GOTO(out_close, rc = -EINVAL);
	}
	if (llog_exist(llh)) {
		CERROR("7_sub: llog exists but should be zapped\n");
		GOTO(out_close, rc = -EEXIST);
	}

	rc = verify_handle("7_sub", llh, 1);
out_close:
	if (rc)
		llog_destroy(env, llh);
	llog_close(env, llh);
	return rc;
}
Example #3
0
/* Test client api; open log by name and process */
static int llog_test_6(struct obd_device *obd, char *name)
{
        struct obd_device *mgc_obd;
        struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
        struct obd_uuid *mgs_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;
        struct obd_export *exp;
        struct obd_uuid uuid = {"LLOG_TEST6_UUID"};
        struct llog_handle *llh = NULL;
        struct llog_ctxt *nctxt;
        int rc;

        CWARN("6a: re-open log %s using client API\n", name);
        mgc_obd = class_find_client_obd(mgs_uuid, LUSTRE_MGC_NAME, NULL);
        if (mgc_obd == NULL) {
                CERROR("6: no MGC devices connected to %s found.\n",
                       mgs_uuid->uuid);
                GOTO(ctxt_release, rc = -ENOENT);
        }

        rc = obd_connect(NULL, &exp, mgc_obd, &uuid,
                         NULL /* obd_connect_data */, NULL);
        if (rc != -EALREADY) {
                CERROR("6: connect on connected MDC (%s) failed to return"
                       " -EALREADY", mgc_obd->obd_name);
                if (rc == 0)
                        obd_disconnect(exp);
                GOTO(ctxt_release, rc = -EINVAL);
        }

        nctxt = llog_get_context(mgc_obd, LLOG_CONFIG_REPL_CTXT);
        rc = llog_create(nctxt, &llh, NULL, name);
        if (rc) {
                CERROR("6: llog_create failed %d\n", rc);
                llog_ctxt_put(nctxt);
                GOTO(ctxt_release, rc);
        }

        rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
        if (rc) {
                CERROR("6: llog_init_handle failed %d\n", rc);
                GOTO(parse_out, rc);
        }

        rc = llog_process(llh, plain_print_cb, NULL, NULL);
        if (rc)
                CERROR("6: llog_process failed %d\n", rc);

        rc = llog_reverse_process(llh, plain_print_cb, NULL, NULL);
        if (rc)
                CERROR("6: llog_reverse_process failed %d\n", rc);

parse_out:
        rc = llog_close(llh);
        llog_ctxt_put(nctxt);
        if (rc) {
                CERROR("6: llog_close failed: rc = %d\n", rc);
        }
ctxt_release:
        llog_ctxt_put(ctxt);
        RETURN(rc);
}