Commit | Line | Data |
---|---|---|
04c0ba87 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
04c0ba87 JG |
3 | * |
4 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
0235b0db | 6 | * Babeltrace CTF file system Reader Component queries |
04c0ba87 JG |
7 | */ |
8 | ||
c802cacb SM |
9 | #include <glib.h> |
10 | #include <glib/gstdio.h> | |
c802cacb SM |
11 | #include <sys/types.h> |
12 | ||
13 | #include <babeltrace2/babeltrace.h> | |
14 | ||
5656cea5 | 15 | #include "../common/src/metadata/tsdl/decoder.hpp" |
087cd0f5 | 16 | #include "fs.hpp" |
c802cacb | 17 | #include "query.hpp" |
55314f2a | 18 | |
4164020e | 19 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
04c0ba87 | 20 | |
4164020e SM |
21 | struct range |
22 | { | |
23 | int64_t begin_ns = 0; | |
24 | int64_t end_ns = 0; | |
25 | bool set = false; | |
97ade20b JG |
26 | }; |
27 | ||
0f5c5d5c SM |
28 | bt_component_class_query_method_status metadata_info_query(const bt_value *params, |
29 | const bt2c::Logger& logger, | |
30 | const bt_value **user_result) | |
04c0ba87 | 31 | { |
4164020e | 32 | bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; |
4164020e SM |
33 | bt_value *result = NULL; |
34 | const bt_value *path_value = NULL; | |
35 | FILE *metadata_fp = NULL; | |
36 | int ret; | |
37 | int bo; | |
38 | const char *path; | |
39 | bool is_packetized; | |
40 | struct ctf_metadata_decoder *decoder = NULL; | |
0f5c5d5c | 41 | ctf_metadata_decoder_config decoder_cfg {logger}; |
4164020e | 42 | enum ctf_metadata_decoder_status decoder_status; |
c719eabb FD |
43 | GString *g_metadata_text = NULL; |
44 | const char *plaintext; | |
4164020e SM |
45 | |
46 | result = bt_value_map_create(); | |
47 | if (!result) { | |
48 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
49 | goto error; | |
50 | } | |
51 | ||
52 | BT_ASSERT(params); | |
53 | ||
54 | if (!bt_value_is_map(params)) { | |
0f5c5d5c | 55 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Query parameters is not a map value object."); |
4164020e SM |
56 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
57 | goto error; | |
58 | } | |
59 | ||
60 | path_value = bt_value_map_borrow_entry_value_const(params, "path"); | |
61 | if (!path_value) { | |
0f5c5d5c | 62 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Mandatory `path` parameter missing"); |
4164020e SM |
63 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
64 | goto error; | |
65 | } | |
66 | ||
67 | if (!bt_value_is_string(path_value)) { | |
0f5c5d5c | 68 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "`path` parameter is required to be a string value"); |
4164020e SM |
69 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
70 | goto error; | |
71 | } | |
72 | ||
73 | path = bt_value_string_get(path_value); | |
74 | ||
75 | BT_ASSERT(path); | |
0f5c5d5c | 76 | metadata_fp = ctf_fs_metadata_open_file(path, logger); |
4164020e | 77 | if (!metadata_fp) { |
0f5c5d5c | 78 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Cannot open trace metadata: path=\"{}\".", path); |
4164020e SM |
79 | goto error; |
80 | } | |
81 | ||
0f5c5d5c | 82 | ret = ctf_metadata_decoder_is_packetized(metadata_fp, &is_packetized, &bo, logger); |
4164020e | 83 | if (ret) { |
0f5c5d5c SM |
84 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
85 | logger, "Cannot check whether or not the metadata stream is packetized: path=\"{}\".", | |
86 | path); | |
4164020e SM |
87 | goto error; |
88 | } | |
89 | ||
4164020e SM |
90 | decoder_cfg.keep_plain_text = true; |
91 | decoder = ctf_metadata_decoder_create(&decoder_cfg); | |
92 | if (!decoder) { | |
0f5c5d5c | 93 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Cannot create metadata decoder: path=\"{}\".", path); |
4164020e SM |
94 | goto error; |
95 | } | |
96 | ||
97 | rewind(metadata_fp); | |
98 | decoder_status = ctf_metadata_decoder_append_content(decoder, metadata_fp); | |
99 | if (decoder_status) { | |
0f5c5d5c SM |
100 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
101 | logger, "Cannot update metadata decoder's content: path=\"{}\".", path); | |
4164020e SM |
102 | goto error; |
103 | } | |
104 | ||
c719eabb FD |
105 | plaintext = ctf_metadata_decoder_get_text(decoder); |
106 | g_metadata_text = g_string_new(NULL); | |
107 | ||
108 | if (!g_metadata_text) { | |
109 | goto error; | |
110 | } | |
111 | ||
112 | if (strncmp(plaintext, METADATA_TEXT_SIG, sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
113 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
114 | g_string_append(g_metadata_text, " */\n\n"); | |
115 | } | |
116 | ||
117 | g_string_append(g_metadata_text, plaintext); | |
118 | ||
119 | ret = bt_value_map_insert_string_entry(result, "text", g_metadata_text->str); | |
4164020e | 120 | if (ret) { |
0f5c5d5c | 121 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Cannot insert metadata text into query result."); |
4164020e SM |
122 | goto error; |
123 | } | |
124 | ||
125 | ret = bt_value_map_insert_bool_entry(result, "is-packetized", is_packetized); | |
126 | if (ret) { | |
0f5c5d5c SM |
127 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
128 | logger, "Cannot insert \"is-packetized\" attribute into query result."); | |
4164020e SM |
129 | goto error; |
130 | } | |
131 | ||
132 | goto end; | |
04c0ba87 JG |
133 | |
134 | error: | |
4164020e SM |
135 | BT_VALUE_PUT_REF_AND_RESET(result); |
136 | result = NULL; | |
c7eee084 | 137 | |
4164020e SM |
138 | if (status >= 0) { |
139 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
140 | } | |
04c0ba87 JG |
141 | |
142 | end: | |
c719eabb FD |
143 | if (g_metadata_text) { |
144 | g_string_free(g_metadata_text, TRUE); | |
145 | } | |
4164020e SM |
146 | ctf_metadata_decoder_destroy(decoder); |
147 | ||
148 | if (metadata_fp) { | |
149 | ret = fclose(metadata_fp); | |
150 | if (ret) { | |
0f5c5d5c SM |
151 | BT_CPPLOGE_ERRNO_SPEC(logger, "Cannot close metadata file stream", ": path=\"{}\"", |
152 | path); | |
4164020e SM |
153 | } |
154 | } | |
155 | ||
156 | *user_result = result; | |
157 | return status; | |
97ade20b | 158 | } |
9ec238a8 | 159 | |
4164020e | 160 | static int add_range(bt_value *info, struct range *range, const char *range_name) |
97ade20b | 161 | { |
4164020e SM |
162 | int ret = 0; |
163 | bt_value_map_insert_entry_status status; | |
164 | bt_value *range_map; | |
165 | ||
166 | if (!range->set) { | |
167 | /* Not an error. */ | |
168 | goto end; | |
169 | } | |
170 | ||
171 | status = bt_value_map_insert_empty_map_entry(info, range_name, &range_map); | |
172 | if (status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
173 | ret = -1; | |
174 | goto end; | |
175 | } | |
176 | ||
177 | status = bt_value_map_insert_signed_integer_entry(range_map, "begin", range->begin_ns); | |
178 | if (status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
179 | ret = -1; | |
180 | goto end; | |
181 | } | |
182 | ||
183 | status = bt_value_map_insert_signed_integer_entry(range_map, "end", range->end_ns); | |
184 | if (status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
185 | ret = -1; | |
186 | goto end; | |
187 | } | |
97ade20b | 188 | |
97ade20b | 189 | end: |
4164020e | 190 | return ret; |
97ade20b JG |
191 | } |
192 | ||
4164020e SM |
193 | static int populate_stream_info(struct ctf_fs_ds_file_group *group, bt_value *group_info, |
194 | struct range *stream_range) | |
97ade20b | 195 | { |
4164020e SM |
196 | int ret = 0; |
197 | bt_value_map_insert_entry_status insert_status; | |
198 | struct ctf_fs_ds_index_entry *first_ds_index_entry, *last_ds_index_entry; | |
199 | gchar *port_name = NULL; | |
200 | ||
201 | /* | |
202 | * Since each `struct ctf_fs_ds_file_group` has a sorted array of | |
203 | * `struct ctf_fs_ds_index_entry`, we can compute the stream range from | |
204 | * the timestamp_begin of the first index entry and the timestamp_end | |
205 | * of the last index entry. | |
206 | */ | |
207 | BT_ASSERT(group->index); | |
208 | BT_ASSERT(group->index->entries); | |
209 | BT_ASSERT(group->index->entries->len > 0); | |
210 | ||
211 | /* First entry. */ | |
212 | first_ds_index_entry = | |
213 | (struct ctf_fs_ds_index_entry *) g_ptr_array_index(group->index->entries, 0); | |
214 | ||
215 | /* Last entry. */ | |
216 | last_ds_index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index( | |
217 | group->index->entries, group->index->entries->len - 1); | |
218 | ||
219 | stream_range->begin_ns = first_ds_index_entry->timestamp_begin_ns; | |
220 | stream_range->end_ns = last_ds_index_entry->timestamp_end_ns; | |
221 | ||
222 | /* | |
223 | * If any of the begin and end timestamps is not set it means that | |
224 | * packets don't include `timestamp_begin` _and_ `timestamp_end` fields | |
225 | * in their packet context so we can't set the range. | |
226 | */ | |
227 | stream_range->set = | |
228 | stream_range->begin_ns != UINT64_C(-1) && stream_range->end_ns != UINT64_C(-1); | |
229 | ||
230 | ret = add_range(group_info, stream_range, "range-ns"); | |
231 | if (ret) { | |
232 | goto end; | |
233 | } | |
234 | ||
235 | port_name = ctf_fs_make_port_name(group); | |
236 | if (!port_name) { | |
237 | ret = -1; | |
238 | goto end; | |
239 | } | |
240 | ||
241 | insert_status = bt_value_map_insert_string_entry(group_info, "port-name", port_name); | |
242 | if (insert_status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
a38d7650 | 246 | |
97ade20b | 247 | end: |
4164020e SM |
248 | g_free(port_name); |
249 | return ret; | |
97ade20b JG |
250 | } |
251 | ||
4164020e | 252 | static int populate_trace_info(const struct ctf_fs_trace *trace, bt_value *trace_info, |
0f5c5d5c | 253 | const bt2c::Logger& logger) |
97ade20b | 254 | { |
4164020e SM |
255 | int ret = 0; |
256 | size_t group_idx; | |
257 | bt_value_map_insert_entry_status insert_status; | |
258 | bt_value_array_append_element_status append_status; | |
259 | bt_value *file_groups = NULL; | |
260 | ||
261 | BT_ASSERT(trace->ds_file_groups); | |
262 | /* Add trace range info only if it contains streams. */ | |
263 | if (trace->ds_file_groups->len == 0) { | |
264 | ret = -1; | |
0f5c5d5c SM |
265 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Trace has no streams: trace-path={}", |
266 | trace->path->str); | |
4164020e SM |
267 | goto end; |
268 | } | |
269 | ||
270 | insert_status = bt_value_map_insert_empty_array_entry(trace_info, "stream-infos", &file_groups); | |
271 | if (insert_status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
272 | ret = -1; | |
273 | goto end; | |
274 | } | |
275 | ||
276 | /* Find range of all stream groups, and of the trace. */ | |
277 | for (group_idx = 0; group_idx < trace->ds_file_groups->len; group_idx++) { | |
278 | bt_value *group_info; | |
279 | range group_range; | |
280 | ctf_fs_ds_file_group *group = | |
281 | (ctf_fs_ds_file_group *) g_ptr_array_index(trace->ds_file_groups, group_idx); | |
282 | ||
283 | append_status = bt_value_array_append_empty_map_element(file_groups, &group_info); | |
284 | if (append_status != BT_VALUE_ARRAY_APPEND_ELEMENT_STATUS_OK) { | |
285 | ret = -1; | |
286 | goto end; | |
287 | } | |
288 | ||
289 | ret = populate_stream_info(group, group_info, &group_range); | |
290 | if (ret) { | |
291 | goto end; | |
292 | } | |
293 | } | |
97ade20b | 294 | |
97ade20b | 295 | end: |
4164020e | 296 | return ret; |
97ade20b JG |
297 | } |
298 | ||
4164020e | 299 | bt_component_class_query_method_status |
0f5c5d5c | 300 | trace_infos_query(const bt_value *params, const bt2c::Logger& logger, const bt_value **user_result) |
97ade20b | 301 | { |
4164020e SM |
302 | struct ctf_fs_component *ctf_fs = NULL; |
303 | bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
4164020e SM |
304 | bt_value *result = NULL; |
305 | const bt_value *inputs_value = NULL; | |
306 | const bt_value *trace_name_value; | |
307 | int ret = 0; | |
308 | bt_value *trace_info = NULL; | |
309 | bt_value_array_append_element_status append_status; | |
310 | ||
311 | BT_ASSERT(params); | |
312 | ||
313 | if (!bt_value_is_map(params)) { | |
0f5c5d5c | 314 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Query parameters is not a map value object."); |
4164020e SM |
315 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
316 | goto error; | |
317 | } | |
318 | ||
0f5c5d5c | 319 | ctf_fs = ctf_fs_component_create(logger); |
4164020e SM |
320 | if (!ctf_fs) { |
321 | goto error; | |
322 | } | |
323 | ||
0f5c5d5c | 324 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs)) { |
4164020e SM |
325 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
326 | goto error; | |
327 | } | |
328 | ||
0f5c5d5c | 329 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs, inputs_value, trace_name_value, NULL)) { |
4164020e SM |
330 | goto error; |
331 | } | |
332 | ||
333 | result = bt_value_array_create(); | |
334 | if (!result) { | |
335 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
336 | goto error; | |
337 | } | |
338 | ||
339 | append_status = bt_value_array_append_empty_map_element(result, &trace_info); | |
340 | if (append_status != BT_VALUE_ARRAY_APPEND_ELEMENT_STATUS_OK) { | |
0f5c5d5c | 341 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, "Failed to create trace info map."); |
4164020e SM |
342 | goto error; |
343 | } | |
344 | ||
0f5c5d5c | 345 | ret = populate_trace_info(ctf_fs->trace, trace_info, logger); |
4164020e SM |
346 | if (ret) { |
347 | goto error; | |
348 | } | |
349 | ||
350 | goto end; | |
97ade20b JG |
351 | |
352 | error: | |
4164020e | 353 | BT_VALUE_PUT_REF_AND_RESET(result); |
c7eee084 | 354 | |
4164020e SM |
355 | if (status >= 0) { |
356 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
357 | } | |
c7eee084 | 358 | |
97ade20b | 359 | end: |
4164020e SM |
360 | if (ctf_fs) { |
361 | ctf_fs_destroy(ctf_fs); | |
362 | ctf_fs = NULL; | |
363 | } | |
d94d92ac | 364 | |
4164020e SM |
365 | *user_result = result; |
366 | return status; | |
04c0ba87 | 367 | } |
73760435 | 368 | |
4164020e | 369 | bt_component_class_query_method_status |
0f5c5d5c | 370 | support_info_query(const bt_value *params, const bt2c::Logger& logger, const bt_value **user_result) |
73760435 | 371 | { |
4164020e SM |
372 | const bt_value *input_type_value; |
373 | const char *input_type; | |
374 | bt_component_class_query_method_status status; | |
375 | bt_value_map_insert_entry_status insert_entry_status; | |
376 | double weight = 0; | |
377 | gchar *metadata_path = NULL; | |
378 | bt_value *result = NULL; | |
379 | struct ctf_metadata_decoder *metadata_decoder = NULL; | |
380 | FILE *metadata_file = NULL; | |
381 | char uuid_str[BT_UUID_STR_LEN + 1]; | |
382 | bool has_uuid = false; | |
383 | const bt_value *input_value; | |
384 | const char *input; | |
385 | ||
386 | input_type_value = bt_value_map_borrow_entry_value_const(params, "type"); | |
387 | BT_ASSERT(input_type_value); | |
388 | BT_ASSERT(bt_value_get_type(input_type_value) == BT_VALUE_TYPE_STRING); | |
389 | input_type = bt_value_string_get(input_type_value); | |
390 | ||
391 | if (strcmp(input_type, "directory") != 0) { | |
392 | goto create_result; | |
393 | } | |
394 | ||
395 | input_value = bt_value_map_borrow_entry_value_const(params, "input"); | |
396 | BT_ASSERT(input_value); | |
397 | BT_ASSERT(bt_value_get_type(input_value) == BT_VALUE_TYPE_STRING); | |
398 | input = bt_value_string_get(input_value); | |
399 | ||
400 | metadata_path = g_build_filename(input, CTF_FS_METADATA_FILENAME, NULL); | |
401 | if (!metadata_path) { | |
402 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
403 | goto end; | |
404 | } | |
405 | ||
406 | metadata_file = g_fopen(metadata_path, "rb"); | |
407 | if (metadata_file) { | |
4164020e SM |
408 | enum ctf_metadata_decoder_status decoder_status; |
409 | bt_uuid_t uuid; | |
410 | ||
0f5c5d5c | 411 | ctf_metadata_decoder_config metadata_decoder_config {logger}; |
4164020e SM |
412 | |
413 | metadata_decoder = ctf_metadata_decoder_create(&metadata_decoder_config); | |
414 | if (!metadata_decoder) { | |
415 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
416 | goto end; | |
417 | } | |
418 | ||
419 | decoder_status = ctf_metadata_decoder_append_content(metadata_decoder, metadata_file); | |
420 | if (decoder_status != CTF_METADATA_DECODER_STATUS_OK) { | |
0f5c5d5c SM |
421 | BT_CPPLOGW_SPEC(logger, "cannot append metadata content: metadata-decoder-status={}", |
422 | decoder_status); | |
4164020e SM |
423 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; |
424 | goto end; | |
425 | } | |
426 | ||
427 | /* | |
428 | * We were able to parse the metadata file, so we are | |
429 | * confident it's a CTF trace. | |
430 | */ | |
431 | weight = 0.75; | |
432 | ||
433 | /* If the trace has a UUID, return the stringified UUID as the group. */ | |
434 | if (ctf_metadata_decoder_get_trace_class_uuid(metadata_decoder, uuid) == 0) { | |
435 | bt_uuid_to_str(uuid, uuid_str); | |
436 | has_uuid = true; | |
437 | } | |
438 | } | |
73760435 | 439 | |
493917ba | 440 | create_result: |
4164020e SM |
441 | result = bt_value_map_create(); |
442 | if (!result) { | |
443 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
444 | goto end; | |
445 | } | |
446 | ||
447 | insert_entry_status = bt_value_map_insert_real_entry(result, "weight", weight); | |
448 | if (insert_entry_status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
449 | status = (bt_component_class_query_method_status) insert_entry_status; | |
450 | goto end; | |
451 | } | |
452 | ||
453 | /* We are not supposed to have weight == 0 and a UUID. */ | |
454 | BT_ASSERT(weight > 0 || !has_uuid); | |
455 | ||
456 | if (weight > 0 && has_uuid) { | |
457 | insert_entry_status = bt_value_map_insert_string_entry(result, "group", uuid_str); | |
458 | if (insert_entry_status != BT_VALUE_MAP_INSERT_ENTRY_STATUS_OK) { | |
459 | status = (bt_component_class_query_method_status) insert_entry_status; | |
460 | goto end; | |
461 | } | |
462 | } | |
463 | ||
464 | *user_result = result; | |
465 | result = NULL; | |
466 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
73760435 SM |
467 | |
468 | end: | |
4164020e SM |
469 | g_free(metadata_path); |
470 | bt_value_put_ref(result); | |
471 | ctf_metadata_decoder_destroy(metadata_decoder); | |
73760435 | 472 | |
4164020e | 473 | return status; |
73760435 | 474 | } |