211 lines
6.4 KiB
C
211 lines
6.4 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cmdline_parse.h>
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#include "test.h"
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#ifndef RTE_EXEC_ENV_BAREMETAL
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* eal_filesystem.h is not a public header file, so use relative path */
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#include "../../lib/librte_eal/linuxapp/eal/include/eal_filesystem.h"
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static int
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test_parse_sysfs_value(void)
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{
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char filename[PATH_MAX] = "";
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char proc_path[PATH_MAX];
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char file_template[] = "/tmp/eal_test_XXXXXX";
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int tmp_file_handle = -1;
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FILE *fd = NULL;
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unsigned valid_number;
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unsigned long retval = 0;
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printf("Testing function eal_parse_sysfs_value()\n");
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/* get a temporary filename to use for all tests - create temp file handle and then
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* use /proc to get the actual file that we can open */
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tmp_file_handle = mkstemp(file_template);
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if (tmp_file_handle == -1) {
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perror("mkstemp() failure");
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goto error;
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}
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rte_snprintf(proc_path, sizeof(proc_path), "/proc/self/fd/%d", tmp_file_handle);
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if (readlink(proc_path, filename, sizeof(filename)) < 0) {
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perror("readlink() failure");
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goto error;
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}
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printf("Temporary file is: %s\n", filename);
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/* test we get an error value if we use file before it's created */
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printf("Test reading a missing file ...\n");
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if (eal_parse_sysfs_value("/dev/not-quite-null", &retval) == 0) {
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printf("Error with eal_parse_sysfs_value() - returned success on reading empty file\n");
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goto error;
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}
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printf("Confirmed return error when reading empty file\n");
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/* test reading a valid number value with "\n" on the end */
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printf("Test reading valid values ...\n");
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valid_number = 15;
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fprintf(fd,"%u\n", valid_number);
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) < 0) {
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printf("eal_parse_sysfs_value() returned error - test failed\n");
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goto error;
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}
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if (retval != valid_number) {
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printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
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goto error;
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}
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printf("Read '%u\\n' ok\n", valid_number);
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/* test reading a valid hex number value with "\n" on the end */
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valid_number = 25;
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fprintf(fd,"0x%x\n", valid_number);
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) < 0) {
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printf("eal_parse_sysfs_value() returned error - test failed\n");
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goto error;
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}
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if (retval != valid_number) {
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printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
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goto error;
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}
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printf("Read '0x%x\\n' ok\n", valid_number);
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printf("Test reading invalid values ...\n");
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/* test reading an empty file - expect failure!*/
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) == 0) {
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printf("eal_parse_sysfs_value() read invalid value - test failed\n");
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goto error;
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}
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/* test reading a valid number value *without* "\n" on the end - expect failure!*/
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valid_number = 3;
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fprintf(fd,"%u", valid_number);
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) == 0) {
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printf("eal_parse_sysfs_value() read invalid value - test failed\n");
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goto error;
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}
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/* test reading a valid number value followed by string - expect failure!*/
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valid_number = 3;
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fprintf(fd,"%uJ\n", valid_number);
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) == 0) {
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printf("eal_parse_sysfs_value() read invalid value - test failed\n");
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goto error;
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}
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/* test reading a non-numeric value - expect failure!*/
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fd = fopen(filename,"w");
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if (fd == NULL) {
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printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
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goto error;
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}
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fprintf(fd,"error\n");
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fclose(fd);
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fd = NULL;
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if (eal_parse_sysfs_value(filename, &retval) == 0) {
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printf("eal_parse_sysfs_value() read invalid value - test failed\n");
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goto error;
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}
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close(tmp_file_handle);
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unlink(filename);
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printf("eal_parse_sysfs_value() - OK\n");
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return 0;
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error:
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if (fd)
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fclose(fd);
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if (tmp_file_handle > 0)
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close(tmp_file_handle);
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if (filename[0] != '\0')
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unlink(filename);
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return -1;
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}
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int
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test_eal_fs(void)
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{
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if (test_parse_sysfs_value() < 0)
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return -1;
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return 0;
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}
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#else
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/* baremetal does not have a filesystem */
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int
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test_eal_fs(void)
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{
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return 0;
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}
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#endif
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