| 1 | /* |
| 2 | * Copyright (C) 2021 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include "loglevel.h" |
| 9 | #include <string.h> |
| 10 | #include <strings.h> |
| 11 | #include <ctype.h> |
| 12 | #include <assert.h> |
| 13 | |
| 14 | struct loglevel_name_value { |
| 15 | const char *name; |
| 16 | int value; |
| 17 | }; |
| 18 | |
| 19 | static |
| 20 | const struct loglevel_name_value loglevel_values[] = { |
| 21 | { .name = "EMERG", .value = LTTNG_LOGLEVEL_EMERG }, |
| 22 | { .name = "TRACE_EMERG", .value = LTTNG_LOGLEVEL_EMERG }, |
| 23 | { .name = "ALERT", .value = LTTNG_LOGLEVEL_ALERT }, |
| 24 | { .name = "TRACE_ALERT", .value = LTTNG_LOGLEVEL_ALERT }, |
| 25 | { .name = "CRIT", .value = LTTNG_LOGLEVEL_CRIT }, |
| 26 | { .name = "TRACE_CRIT", .value = LTTNG_LOGLEVEL_CRIT }, |
| 27 | { .name = "ERR", .value = LTTNG_LOGLEVEL_ERR }, |
| 28 | { .name = "TRACE_ERR", .value = LTTNG_LOGLEVEL_ERR }, |
| 29 | { .name = "WARNING", .value = LTTNG_LOGLEVEL_WARNING }, |
| 30 | { .name = "TRACE_WARNING", .value = LTTNG_LOGLEVEL_WARNING }, |
| 31 | { .name = "NOTICE", .value = LTTNG_LOGLEVEL_NOTICE }, |
| 32 | { .name = "TRACE_NOTICE", .value = LTTNG_LOGLEVEL_NOTICE }, |
| 33 | { .name = "INFO", .value = LTTNG_LOGLEVEL_INFO }, |
| 34 | { .name = "TRACE_INFO", .value = LTTNG_LOGLEVEL_INFO }, |
| 35 | { .name = "DEBUG_SYSTEM", .value = LTTNG_LOGLEVEL_DEBUG_SYSTEM }, |
| 36 | { .name = "TRACE_DEBUG_SYSTEM", .value = LTTNG_LOGLEVEL_DEBUG_SYSTEM }, |
| 37 | { .name = "SYSTEM", .value = LTTNG_LOGLEVEL_DEBUG_SYSTEM }, |
| 38 | { .name = "DEBUG_PROGRAM", .value = LTTNG_LOGLEVEL_DEBUG_PROGRAM }, |
| 39 | { .name = "TRACE_DEBUG_PROGRAM", .value = LTTNG_LOGLEVEL_DEBUG_PROGRAM }, |
| 40 | { .name = "PROGRAM", .value = LTTNG_LOGLEVEL_DEBUG_PROGRAM }, |
| 41 | { .name = "DEBUG_PROCESS", .value = LTTNG_LOGLEVEL_DEBUG_PROCESS }, |
| 42 | { .name = "TRACE_DEBUG_PROCESS", .value = LTTNG_LOGLEVEL_DEBUG_PROCESS }, |
| 43 | { .name = "PROCESS", .value = LTTNG_LOGLEVEL_DEBUG_PROCESS }, |
| 44 | { .name = "DEBUG_MODULE", .value = LTTNG_LOGLEVEL_DEBUG_MODULE }, |
| 45 | { .name = "TRACE_DEBUG_MODULE", .value = LTTNG_LOGLEVEL_DEBUG_MODULE }, |
| 46 | { .name = "MODULE", .value = LTTNG_LOGLEVEL_DEBUG_MODULE }, |
| 47 | { .name = "DEBUG_UNIT", .value = LTTNG_LOGLEVEL_DEBUG_UNIT }, |
| 48 | { .name = "TRACE_DEBUG_UNIT", .value = LTTNG_LOGLEVEL_DEBUG_UNIT }, |
| 49 | { .name = "UNIT", .value = LTTNG_LOGLEVEL_DEBUG_UNIT }, |
| 50 | { .name = "DEBUG_FUNCTION", .value = LTTNG_LOGLEVEL_DEBUG_FUNCTION }, |
| 51 | { .name = "TRACE_DEBUG_FUNCTION", .value = LTTNG_LOGLEVEL_DEBUG_FUNCTION }, |
| 52 | { .name = "FUNCTION", .value = LTTNG_LOGLEVEL_DEBUG_FUNCTION }, |
| 53 | { .name = "DEBUG_LINE", .value = LTTNG_LOGLEVEL_DEBUG_LINE }, |
| 54 | { .name = "TRACE_DEBUG_LINE", .value = LTTNG_LOGLEVEL_DEBUG_LINE }, |
| 55 | { .name = "LINE", .value = LTTNG_LOGLEVEL_DEBUG_LINE }, |
| 56 | { .name = "DEBUG", .value = LTTNG_LOGLEVEL_DEBUG }, |
| 57 | { .name = "TRACE_DEBUG", .value = LTTNG_LOGLEVEL_DEBUG }, |
| 58 | }; |
| 59 | |
| 60 | static |
| 61 | const struct loglevel_name_value loglevel_log4j_values[] = { |
| 62 | { .name = "OFF", .value = LTTNG_LOGLEVEL_LOG4J_OFF }, |
| 63 | { .name = "LOG4J_OFF", .value = LTTNG_LOGLEVEL_LOG4J_OFF }, |
| 64 | { .name = "FATAL", .value = LTTNG_LOGLEVEL_LOG4J_FATAL }, |
| 65 | { .name = "LOG4J_FATAL", .value = LTTNG_LOGLEVEL_LOG4J_FATAL }, |
| 66 | { .name = "ERROR", .value = LTTNG_LOGLEVEL_LOG4J_ERROR }, |
| 67 | { .name = "LOG4J_ERROR", .value = LTTNG_LOGLEVEL_LOG4J_ERROR }, |
| 68 | { .name = "WARN", .value = LTTNG_LOGLEVEL_LOG4J_WARN }, |
| 69 | { .name = "LOG4J_WARN", .value = LTTNG_LOGLEVEL_LOG4J_WARN }, |
| 70 | { .name = "INFO", .value = LTTNG_LOGLEVEL_LOG4J_INFO }, |
| 71 | { .name = "LOG4J_INFO", .value = LTTNG_LOGLEVEL_LOG4J_INFO }, |
| 72 | { .name = "DEBUG", .value = LTTNG_LOGLEVEL_LOG4J_DEBUG }, |
| 73 | { .name = "LOG4J_DEBUG", .value = LTTNG_LOGLEVEL_LOG4J_DEBUG }, |
| 74 | { .name = "TRACE", .value = LTTNG_LOGLEVEL_LOG4J_TRACE }, |
| 75 | { .name = "LOG4J_TRACE", .value = LTTNG_LOGLEVEL_LOG4J_TRACE }, |
| 76 | { .name = "ALL", .value = LTTNG_LOGLEVEL_LOG4J_ALL }, |
| 77 | { .name = "LOG4J_ALL", .value = LTTNG_LOGLEVEL_LOG4J_ALL }, |
| 78 | }; |
| 79 | |
| 80 | static |
| 81 | const struct loglevel_name_value loglevel_jul_values[] = { |
| 82 | { .name = "OFF", .value = LTTNG_LOGLEVEL_JUL_OFF }, |
| 83 | { .name = "JUL_OFF", .value = LTTNG_LOGLEVEL_JUL_OFF }, |
| 84 | { .name = "SEVERE", .value = LTTNG_LOGLEVEL_JUL_SEVERE }, |
| 85 | { .name = "JUL_SEVERE", .value = LTTNG_LOGLEVEL_JUL_SEVERE }, |
| 86 | { .name = "WARNING", .value = LTTNG_LOGLEVEL_JUL_WARNING }, |
| 87 | { .name = "JUL_WARNING", .value = LTTNG_LOGLEVEL_JUL_WARNING }, |
| 88 | { .name = "INFO", .value = LTTNG_LOGLEVEL_JUL_INFO }, |
| 89 | { .name = "JUL_INFO", .value = LTTNG_LOGLEVEL_JUL_INFO }, |
| 90 | { .name = "CONFIG", .value = LTTNG_LOGLEVEL_JUL_CONFIG }, |
| 91 | { .name = "JUL_CONFIG", .value = LTTNG_LOGLEVEL_JUL_CONFIG }, |
| 92 | { .name = "FINE", .value = LTTNG_LOGLEVEL_JUL_FINE }, |
| 93 | { .name = "JUL_FINE", .value = LTTNG_LOGLEVEL_JUL_FINE }, |
| 94 | { .name = "FINER", .value = LTTNG_LOGLEVEL_JUL_FINER }, |
| 95 | { .name = "JUL_FINER", .value = LTTNG_LOGLEVEL_JUL_FINER }, |
| 96 | { .name = "FINEST", .value = LTTNG_LOGLEVEL_JUL_FINEST }, |
| 97 | { .name = "JUL_FINEST", .value = LTTNG_LOGLEVEL_JUL_FINEST }, |
| 98 | { .name = "ALL", .value = LTTNG_LOGLEVEL_JUL_ALL }, |
| 99 | { .name = "JUL_ALL", .value = LTTNG_LOGLEVEL_JUL_ALL }, |
| 100 | }; |
| 101 | |
| 102 | static |
| 103 | const struct loglevel_name_value loglevel_python_values[] = { |
| 104 | { .name = "CRITICAL", .value = LTTNG_LOGLEVEL_PYTHON_CRITICAL }, |
| 105 | { .name = "PYTHON_CRITICAL", .value = LTTNG_LOGLEVEL_PYTHON_CRITICAL }, |
| 106 | { .name = "ERROR", .value = LTTNG_LOGLEVEL_PYTHON_ERROR }, |
| 107 | { .name = "PYTHON_ERROR", .value = LTTNG_LOGLEVEL_PYTHON_ERROR }, |
| 108 | { .name = "WARNING", .value = LTTNG_LOGLEVEL_PYTHON_WARNING }, |
| 109 | { .name = "PYTHON_WARNING", .value = LTTNG_LOGLEVEL_PYTHON_WARNING }, |
| 110 | { .name = "INFO", .value = LTTNG_LOGLEVEL_PYTHON_INFO }, |
| 111 | { .name = "PYTHON_INFO", .value = LTTNG_LOGLEVEL_PYTHON_INFO }, |
| 112 | { .name = "DEBUG", .value = LTTNG_LOGLEVEL_PYTHON_DEBUG }, |
| 113 | { .name = "PYTNON_DEBUG", .value = LTTNG_LOGLEVEL_PYTHON_DEBUG }, |
| 114 | { .name = "NOTSET", .value = LTTNG_LOGLEVEL_PYTHON_NOTSET }, |
| 115 | { .name = "PYTHON_NOTSET", .value = LTTNG_LOGLEVEL_PYTHON_NOTSET }, |
| 116 | }; |
| 117 | |
| 118 | static |
| 119 | bool string_equal_insensitive(const char *a, const char *b) |
| 120 | { |
| 121 | return strcasecmp(a, b) == 0; |
| 122 | } |
| 123 | |
| 124 | static |
| 125 | int lookup_value_from_name(const struct loglevel_name_value values[], |
| 126 | size_t values_count, const char *name) |
| 127 | { |
| 128 | size_t i; |
| 129 | int ret = -1; |
| 130 | |
| 131 | if (!name) { |
| 132 | goto end; |
| 133 | } |
| 134 | |
| 135 | for (i = 0; i < values_count; i++) { |
| 136 | if (string_equal_insensitive(values[i].name, name)) { |
| 137 | /* Match found. */ |
| 138 | ret = values[i].value; |
| 139 | goto end; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | end: |
| 144 | return ret; |
| 145 | } |
| 146 | |
| 147 | static bool loglevel_parse_range_string_common(const char *str, |
| 148 | const struct loglevel_name_value *nvs, |
| 149 | size_t nvs_count, |
| 150 | int *min, |
| 151 | int *max) |
| 152 | { |
| 153 | bool ret; |
| 154 | int i; |
| 155 | const struct loglevel_name_value *nv; |
| 156 | |
| 157 | for (i = 0; i < nvs_count; i++) { |
| 158 | nv = &nvs[i]; |
| 159 | |
| 160 | if (strncmp(str, nv->name, strlen(nv->name)) == 0) { |
| 161 | break; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | if (i == nvs_count) { |
| 166 | goto error; |
| 167 | } |
| 168 | |
| 169 | *min = nv->value; |
| 170 | str += strlen(nv->name); |
| 171 | |
| 172 | if (*str == '\0') { |
| 173 | *max = nv->value; |
| 174 | ret = true; |
| 175 | goto end; |
| 176 | } |
| 177 | |
| 178 | if (strncmp(str, "..", strlen("..")) != 0) { |
| 179 | goto error; |
| 180 | } |
| 181 | |
| 182 | str += strlen(".."); |
| 183 | |
| 184 | if (*str == '\0') { |
| 185 | *max = LTTNG_LOGLEVEL_EMERG; |
| 186 | ret = true; |
| 187 | goto end; |
| 188 | } |
| 189 | |
| 190 | for (i = 0; i < nvs_count; i++) { |
| 191 | nv = &nvs[i]; |
| 192 | |
| 193 | if (strcmp(str, nv->name) == 0) { |
| 194 | break; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if (i == nvs_count) { |
| 199 | goto error; |
| 200 | } |
| 201 | |
| 202 | *max = nv->value; |
| 203 | |
| 204 | ret = true; |
| 205 | goto end; |
| 206 | |
| 207 | error: |
| 208 | ret = false; |
| 209 | |
| 210 | end: |
| 211 | return ret; |
| 212 | } |
| 213 | |
| 214 | LTTNG_HIDDEN |
| 215 | int loglevel_name_to_value(const char *name, enum lttng_loglevel *loglevel) |
| 216 | { |
| 217 | int ret = lookup_value_from_name(loglevel_values, |
| 218 | ARRAY_SIZE(loglevel_values), name); |
| 219 | |
| 220 | if (ret >= 0) { |
| 221 | *loglevel = (typeof(*loglevel)) ret; |
| 222 | ret = 0; |
| 223 | } |
| 224 | |
| 225 | return ret; |
| 226 | } |
| 227 | |
| 228 | LTTNG_HIDDEN |
| 229 | bool loglevel_parse_range_string(const char *str, |
| 230 | enum lttng_loglevel *min, |
| 231 | enum lttng_loglevel *max) |
| 232 | { |
| 233 | int min_int, max_int; |
| 234 | bool ret = loglevel_parse_range_string_common(str, loglevel_values, |
| 235 | ARRAY_SIZE(loglevel_values), &min_int, &max_int); |
| 236 | |
| 237 | *min = min_int; |
| 238 | *max = max_int; |
| 239 | |
| 240 | return ret; |
| 241 | } |
| 242 | |
| 243 | LTTNG_HIDDEN |
| 244 | int loglevel_log4j_name_to_value( |
| 245 | const char *name, enum lttng_loglevel_log4j *loglevel) |
| 246 | { |
| 247 | int ret = lookup_value_from_name(loglevel_log4j_values, |
| 248 | ARRAY_SIZE(loglevel_log4j_values), |
| 249 | name); |
| 250 | |
| 251 | if (ret >= 0) { |
| 252 | *loglevel = (typeof(*loglevel)) ret; |
| 253 | ret = 0; |
| 254 | } |
| 255 | |
| 256 | return ret; |
| 257 | } |
| 258 | |
| 259 | LTTNG_HIDDEN |
| 260 | bool loglevel_log4j_parse_range_string(const char *str, |
| 261 | enum lttng_loglevel_log4j *min, |
| 262 | enum lttng_loglevel_log4j *max) |
| 263 | { |
| 264 | int min_int, max_int; |
| 265 | bool ret = loglevel_parse_range_string_common(str, |
| 266 | loglevel_log4j_values, |
| 267 | ARRAY_SIZE(loglevel_log4j_values), &min_int, &max_int); |
| 268 | |
| 269 | *min = min_int; |
| 270 | *max = max_int; |
| 271 | |
| 272 | return ret; |
| 273 | } |
| 274 | |
| 275 | LTTNG_HIDDEN |
| 276 | int loglevel_jul_name_to_value( |
| 277 | const char *name, enum lttng_loglevel_jul *loglevel) |
| 278 | { |
| 279 | int ret = lookup_value_from_name(loglevel_jul_values, |
| 280 | ARRAY_SIZE(loglevel_jul_values), |
| 281 | name); |
| 282 | |
| 283 | if (ret >= 0) { |
| 284 | *loglevel = (typeof(*loglevel)) ret; |
| 285 | ret = 0; |
| 286 | } |
| 287 | |
| 288 | return ret; |
| 289 | } |
| 290 | |
| 291 | LTTNG_HIDDEN |
| 292 | bool loglevel_jul_parse_range_string(const char *str, |
| 293 | enum lttng_loglevel_jul *min, |
| 294 | enum lttng_loglevel_jul *max) |
| 295 | { |
| 296 | int min_int, max_int; |
| 297 | bool ret = loglevel_parse_range_string_common(str, loglevel_jul_values, |
| 298 | ARRAY_SIZE(loglevel_jul_values), &min_int, &max_int); |
| 299 | |
| 300 | *min = min_int; |
| 301 | *max = max_int; |
| 302 | |
| 303 | return ret; |
| 304 | } |
| 305 | |
| 306 | LTTNG_HIDDEN |
| 307 | int loglevel_python_name_to_value( |
| 308 | const char *name, enum lttng_loglevel_python *loglevel) |
| 309 | { |
| 310 | int ret = lookup_value_from_name(loglevel_python_values, |
| 311 | ARRAY_SIZE(loglevel_python_values), |
| 312 | name); |
| 313 | |
| 314 | if (ret >= 0) { |
| 315 | *loglevel = (typeof(*loglevel)) ret; |
| 316 | ret = 0; |
| 317 | } |
| 318 | |
| 319 | return ret; |
| 320 | } |
| 321 | |
| 322 | LTTNG_HIDDEN |
| 323 | bool loglevel_python_parse_range_string(const char *str, |
| 324 | enum lttng_loglevel_python *min, |
| 325 | enum lttng_loglevel_python *max) |
| 326 | { |
| 327 | int min_int, max_int; |
| 328 | bool ret = loglevel_parse_range_string_common(str, |
| 329 | loglevel_python_values, |
| 330 | ARRAY_SIZE(loglevel_python_values), &min_int, &max_int); |
| 331 | |
| 332 | *min = min_int; |
| 333 | *max = max_int; |
| 334 | |
| 335 | return ret; |
| 336 | } |
| 337 | |
| 338 | static |
| 339 | const char *lookup_name_from_value(const struct loglevel_name_value values[], |
| 340 | size_t values_count, int loglevel) |
| 341 | { |
| 342 | size_t i; |
| 343 | const char *name = NULL; |
| 344 | |
| 345 | for (i = 0; i < values_count; i++) { |
| 346 | if (values[i].value == loglevel) { |
| 347 | /* Match found. */ |
| 348 | name = values[i].name; |
| 349 | goto end; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | end: |
| 354 | return name; |
| 355 | } |
| 356 | |
| 357 | LTTNG_HIDDEN |
| 358 | const char *loglevel_value_to_name(int loglevel) |
| 359 | { |
| 360 | return lookup_name_from_value( |
| 361 | loglevel_values, ARRAY_SIZE(loglevel_values), loglevel); |
| 362 | } |
| 363 | |
| 364 | LTTNG_HIDDEN |
| 365 | const char *loglevel_log4j_value_to_name(int loglevel) |
| 366 | { |
| 367 | return lookup_name_from_value(loglevel_log4j_values, |
| 368 | ARRAY_SIZE(loglevel_log4j_values), loglevel); |
| 369 | } |
| 370 | |
| 371 | LTTNG_HIDDEN |
| 372 | const char *loglevel_jul_value_to_name(int loglevel) |
| 373 | { |
| 374 | return lookup_name_from_value(loglevel_jul_values, |
| 375 | ARRAY_SIZE(loglevel_jul_values), loglevel); |
| 376 | } |
| 377 | |
| 378 | LTTNG_HIDDEN |
| 379 | const char *loglevel_python_value_to_name(int loglevel) |
| 380 | { |
| 381 | return lookup_name_from_value(loglevel_python_values, |
| 382 | ARRAY_SIZE(loglevel_python_values), loglevel); |
| 383 | } |