78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*
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Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
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Copyright (C) 2015 David Disseldorp
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-support.h"
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#include "iscsi-test-cu.h"
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#include "iscsi-multipath.h"
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void
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test_multipathio_simple(void)
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{
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int write_path;
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unsigned char *write_buf = alloca(256 * block_size);
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unsigned char *read_buf = alloca(256 * block_size);
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int ret;
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CHECK_FOR_DATALOSS;
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CHECK_FOR_SBC;
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MPATH_SKIP_IF_UNAVAILABLE(mp_sds, mp_num_sds);
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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memset(write_buf, 0xa6, 256 * block_size);
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for (write_path = 0; write_path < mp_num_sds; write_path++) {
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int i;
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int read_path;
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/* read back written data using a different path */
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read_path = (write_path + 1) % mp_num_sds;
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logging(LOG_VERBOSE,
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"Test multipath WRITE10/READ10 of 1-256 blocks using "
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"path %d", write_path);
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for (i = 1; i <= 256; i++) {
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if (maximum_transfer_length
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&& maximum_transfer_length < i) {
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break;
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}
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ret = WRITE10(mp_sds[write_path], 0, i * block_size,
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block_size, 0, 0, 0, 0, 0, write_buf,
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EXPECT_STATUS_GOOD);
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if (ret < 0)
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continue;
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ret = READ10(mp_sds[read_path], NULL, 0, i * block_size,
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block_size, 0, 0, 0, 0, 0, read_buf,
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EXPECT_STATUS_GOOD);
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if (ret < 0)
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continue;
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/* compare written and read data */
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ret = memcmp(write_buf, read_buf, i * block_size);
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CU_ASSERT_EQUAL(0, ret);
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}
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}
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}
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