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34 #include <cmdline_parse.h>
37 #ifndef RTE_EXEC_ENV_BAREMETAL
42 /* eal_filesystem.h is not a public header file, so use relative path */
43 #include "../../lib/librte_eal/linuxapp/eal/include/eal_filesystem.h"
46 test_parse_sysfs_value(void)
48 char filename[PATH_MAX] = "";
49 char proc_path[PATH_MAX];
50 char file_template[] = "/tmp/eal_test_XXXXXX";
51 int tmp_file_handle = -1;
53 unsigned valid_number;
54 unsigned long retval = 0;
56 #ifdef RTE_EXEC_ENV_BSDAPP
57 /* BSD doesn't have /proc/pid/fd */
61 printf("Testing function eal_parse_sysfs_value()\n");
63 /* get a temporary filename to use for all tests - create temp file handle and then
64 * use /proc to get the actual file that we can open */
65 tmp_file_handle = mkstemp(file_template);
66 if (tmp_file_handle == -1) {
67 perror("mkstemp() failure");
70 rte_snprintf(proc_path, sizeof(proc_path), "/proc/self/fd/%d", tmp_file_handle);
71 if (readlink(proc_path, filename, sizeof(filename)) < 0) {
72 perror("readlink() failure");
75 printf("Temporary file is: %s\n", filename);
77 /* test we get an error value if we use file before it's created */
78 printf("Test reading a missing file ...\n");
79 if (eal_parse_sysfs_value("/dev/not-quite-null", &retval) == 0) {
80 printf("Error with eal_parse_sysfs_value() - returned success on reading empty file\n");
83 printf("Confirmed return error when reading empty file\n");
85 /* test reading a valid number value with "\n" on the end */
86 printf("Test reading valid values ...\n");
88 fd = fopen(filename,"w");
90 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
93 fprintf(fd,"%u\n", valid_number);
96 if (eal_parse_sysfs_value(filename, &retval) < 0) {
97 printf("eal_parse_sysfs_value() returned error - test failed\n");
100 if (retval != valid_number) {
101 printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
104 printf("Read '%u\\n' ok\n", valid_number);
106 /* test reading a valid hex number value with "\n" on the end */
108 fd = fopen(filename,"w");
110 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
113 fprintf(fd,"0x%x\n", valid_number);
116 if (eal_parse_sysfs_value(filename, &retval) < 0) {
117 printf("eal_parse_sysfs_value() returned error - test failed\n");
120 if (retval != valid_number) {
121 printf("Invalid value read by eal_parse_sysfs_value() - test failed\n");
124 printf("Read '0x%x\\n' ok\n", valid_number);
126 printf("Test reading invalid values ...\n");
128 /* test reading an empty file - expect failure!*/
129 fd = fopen(filename,"w");
131 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
136 if (eal_parse_sysfs_value(filename, &retval) == 0) {
137 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
141 /* test reading a valid number value *without* "\n" on the end - expect failure!*/
143 fd = fopen(filename,"w");
145 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
148 fprintf(fd,"%u", valid_number);
151 if (eal_parse_sysfs_value(filename, &retval) == 0) {
152 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
156 /* test reading a valid number value followed by string - expect failure!*/
158 fd = fopen(filename,"w");
160 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
163 fprintf(fd,"%uJ\n", valid_number);
166 if (eal_parse_sysfs_value(filename, &retval) == 0) {
167 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
171 /* test reading a non-numeric value - expect failure!*/
172 fd = fopen(filename,"w");
174 printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno));
177 fprintf(fd,"error\n");
180 if (eal_parse_sysfs_value(filename, &retval) == 0) {
181 printf("eal_parse_sysfs_value() read invalid value - test failed\n");
185 close(tmp_file_handle);
187 printf("eal_parse_sysfs_value() - OK\n");
193 if (tmp_file_handle > 0)
194 close(tmp_file_handle);
195 if (filename[0] != '\0')
203 if (test_parse_sysfs_value() < 0)
208 /* baremetal does not have a filesystem */