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40 /* eal_filesystem.h is not a public header file, so use relative path */
41 #include "../../lib/librte_eal/common/eal_filesystem.h"
44 test_parse_sysfs_value(void)
46 char filename[PATH_MAX] = "";
47 char proc_path[PATH_MAX];
48 char file_template[] = "/tmp/eal_test_XXXXXX";
49 int tmp_file_handle = -1;
51 unsigned valid_number;
52 unsigned long retval = 0;
54 #ifdef RTE_EXEC_ENV_BSDAPP
55 /* BSD doesn't have /proc/pid/fd */
59 printf("Testing function eal_parse_sysfs_value()\n");
61 /* get a temporary filename to use for all tests - create temp file handle and then
62 * use /proc to get the actual file that we can open */
63 tmp_file_handle = mkstemp(file_template);
64 if (tmp_file_handle == -1) {
65 perror("mkstemp() failure");
68 snprintf(proc_path, sizeof(proc_path), "/proc/self/fd/%d", tmp_file_handle);
69 if (readlink(proc_path, filename, sizeof(filename)) < 0) {
70 perror("readlink() failure");
73 printf("Temporary file is: %s\n", filename);
75 /* test we get an error value if we use file before it's created */
76 printf("Test reading a missing file ...\n");
77 if (eal_parse_sysfs_value("/dev/not-quite-null", &retval) == 0) {
78 printf("Error with eal_parse_sysfs_value() - returned success on reading empty file\n");
81 printf("Confirmed return error when reading empty file\n");
83 /* test reading a valid number value with "\n" on the end */
84 printf("Test reading valid values ...\n");
86 fd = fopen(filename,"w");
88 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
91 fprintf(fd,"%u\n", valid_number);
94 if (eal_parse_sysfs_value(filename, &retval) < 0) {
95 printf("eal_parse_sysfs_value() returned error - test failed\n");
98 if (retval != valid_number) {
99 printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
102 printf("Read '%u\\n' ok\n", valid_number);
104 /* test reading a valid hex number value with "\n" on the end */
106 fd = fopen(filename,"w");
108 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
111 fprintf(fd,"0x%x\n", valid_number);
114 if (eal_parse_sysfs_value(filename, &retval) < 0) {
115 printf("eal_parse_sysfs_value() returned error - test failed\n");
118 if (retval != valid_number) {
119 printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
122 printf("Read '0x%x\\n' ok\n", valid_number);
124 printf("Test reading invalid values ...\n");
126 /* test reading an empty file - expect failure!*/
127 fd = fopen(filename,"w");
129 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
134 if (eal_parse_sysfs_value(filename, &retval) == 0) {
135 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
139 /* test reading a valid number value *without* "\n" on the end - expect failure!*/
141 fd = fopen(filename,"w");
143 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
146 fprintf(fd,"%u", valid_number);
149 if (eal_parse_sysfs_value(filename, &retval) == 0) {
150 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
154 /* test reading a valid number value followed by string - expect failure!*/
156 fd = fopen(filename,"w");
158 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
161 fprintf(fd,"%uJ\n", valid_number);
164 if (eal_parse_sysfs_value(filename, &retval) == 0) {
165 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
169 /* test reading a non-numeric value - expect failure!*/
170 fd = fopen(filename,"w");
172 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
175 fprintf(fd,"error\n");
178 if (eal_parse_sysfs_value(filename, &retval) == 0) {
179 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
183 close(tmp_file_handle);
185 printf("eal_parse_sysfs_value() - OK\n");
191 if (tmp_file_handle > 0)
192 close(tmp_file_handle);
193 if (filename[0] != '\0')
201 if (test_parse_sysfs_value() < 0)
206 REGISTER_TEST_COMMAND(eal_fs_autotest, test_eal_fs);