Commit | Line | Data |
---|---|---|
ebba3338 PP |
1 | /* |
2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
0fbb9a9f | 23 | #include <stdlib.h> |
ebba3338 | 24 | #include <babeltrace/values.h> |
17582c6d | 25 | #include <babeltrace/private-values.h> |
db0f160a | 26 | #include <babeltrace/common-internal.h> |
ebba3338 | 27 | #include "babeltrace-cfg.h" |
9009cc24 | 28 | #include "babeltrace-cfg-cli-args-connect.h" |
ebba3338 | 29 | |
db0f160a | 30 | static bool all_named_and_printable_in_array(GPtrArray *comps) |
ebba3338 PP |
31 | { |
32 | size_t i; | |
db0f160a | 33 | bool all_named_and_printable = true; |
ebba3338 PP |
34 | |
35 | for (i = 0; i < comps->len; i++) { | |
36 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
37 | ||
38 | if (comp->instance_name->len == 0) { | |
db0f160a PP |
39 | all_named_and_printable = false; |
40 | goto end; | |
41 | } | |
42 | ||
43 | if (!bt_common_string_is_printable(comp->instance_name->str)) { | |
44 | all_named_and_printable = false; | |
ebba3338 PP |
45 | goto end; |
46 | } | |
47 | } | |
48 | ||
49 | end: | |
db0f160a | 50 | return all_named_and_printable; |
ebba3338 PP |
51 | } |
52 | ||
db0f160a | 53 | static bool all_named_and_printable(struct bt_config *cfg) |
ebba3338 | 54 | { |
db0f160a PP |
55 | return all_named_and_printable_in_array(cfg->cmd_data.run.sources) && |
56 | all_named_and_printable_in_array(cfg->cmd_data.run.filters) && | |
57 | all_named_and_printable_in_array(cfg->cmd_data.run.sinks); | |
ebba3338 PP |
58 | } |
59 | ||
ebba3338 PP |
60 | static struct bt_config_connection *bt_config_connection_create(const char *arg) |
61 | { | |
62 | struct bt_config_connection *cfg_connection; | |
63 | ||
64 | cfg_connection = g_new0(struct bt_config_connection, 1); | |
65 | if (!cfg_connection) { | |
66 | goto error; | |
67 | } | |
68 | ||
9009cc24 PP |
69 | cfg_connection->upstream_comp_name = g_string_new(NULL); |
70 | if (!cfg_connection->upstream_comp_name) { | |
ebba3338 PP |
71 | goto error; |
72 | } | |
73 | ||
9009cc24 PP |
74 | cfg_connection->downstream_comp_name = g_string_new(NULL); |
75 | if (!cfg_connection->downstream_comp_name) { | |
ebba3338 PP |
76 | goto error; |
77 | } | |
78 | ||
9009cc24 PP |
79 | cfg_connection->upstream_port_glob = g_string_new("*"); |
80 | if (!cfg_connection->upstream_port_glob) { | |
ebba3338 PP |
81 | goto error; |
82 | } | |
83 | ||
9009cc24 PP |
84 | cfg_connection->downstream_port_glob = g_string_new("*"); |
85 | if (!cfg_connection->downstream_port_glob) { | |
ebba3338 PP |
86 | goto error; |
87 | } | |
88 | ||
89 | cfg_connection->arg = g_string_new(arg); | |
90 | if (!cfg_connection->arg) { | |
91 | goto error; | |
92 | } | |
93 | ||
94 | goto end; | |
95 | ||
96 | error: | |
97 | g_free(cfg_connection); | |
98 | cfg_connection = NULL; | |
99 | ||
100 | end: | |
101 | return cfg_connection; | |
102 | } | |
103 | ||
9009cc24 PP |
104 | static bool validate_port_glob(const char *port_glob) |
105 | { | |
106 | bool is_valid = true; | |
107 | const char *ch = port_glob; | |
108 | ||
8b45963b | 109 | BT_ASSERT(port_glob); |
9009cc24 PP |
110 | |
111 | while (*ch != '\0') { | |
112 | switch (*ch) { | |
113 | case '\\': | |
114 | switch (ch[1]) { | |
115 | case '\0': | |
116 | goto end; | |
117 | default: | |
118 | ch += 2; | |
119 | continue; | |
120 | } | |
121 | case '?': | |
122 | case '[': | |
123 | /* | |
124 | * This is reserved for future use, to support | |
125 | * full globbing patterns. Those characters must | |
126 | * be escaped with `\`. | |
127 | */ | |
128 | is_valid = false; | |
129 | goto end; | |
130 | default: | |
131 | ch++; | |
132 | break; | |
133 | } | |
134 | } | |
135 | ||
136 | end: | |
137 | return is_valid; | |
138 | } | |
139 | ||
140 | static int normalize_glob_pattern(GString *glob_pattern_gs) | |
141 | { | |
142 | int ret = 0; | |
143 | char *glob_pattern = strdup(glob_pattern_gs->str); | |
144 | ||
145 | if (!glob_pattern) { | |
146 | ret = -1; | |
147 | goto end; | |
148 | } | |
149 | ||
150 | bt_common_normalize_star_glob_pattern(glob_pattern); | |
151 | g_string_assign(glob_pattern_gs, glob_pattern); | |
152 | free(glob_pattern); | |
153 | ||
154 | end: | |
155 | return ret; | |
156 | } | |
157 | ||
ebba3338 PP |
158 | static struct bt_config_connection *cfg_connection_from_arg(const char *arg) |
159 | { | |
db0f160a PP |
160 | const char *at = arg; |
161 | size_t end_pos; | |
162 | struct bt_config_connection *cfg_conn = NULL; | |
163 | GString *gs = NULL; | |
ebba3338 | 164 | enum { |
9009cc24 PP |
165 | UPSTREAM_NAME, |
166 | DOWNSTREAM_NAME, | |
167 | UPSTREAM_PORT_GLOB, | |
168 | DOWNSTREAM_PORT_GLOB, | |
169 | } state = UPSTREAM_NAME; | |
db0f160a PP |
170 | |
171 | if (!bt_common_string_is_printable(arg)) { | |
ebba3338 PP |
172 | goto error; |
173 | } | |
174 | ||
db0f160a PP |
175 | cfg_conn = bt_config_connection_create(arg); |
176 | if (!cfg_conn) { | |
ebba3338 PP |
177 | goto error; |
178 | } | |
179 | ||
ebba3338 | 180 | while (true) { |
ebba3338 | 181 | switch (state) { |
9009cc24 | 182 | case UPSTREAM_NAME: |
db0f160a PP |
183 | gs = bt_common_string_until(at, ".:\\", ".:", &end_pos); |
184 | if (!gs || gs->len == 0) { | |
ebba3338 PP |
185 | goto error; |
186 | } | |
187 | ||
9009cc24 PP |
188 | g_string_free(cfg_conn->upstream_comp_name, TRUE); |
189 | cfg_conn->upstream_comp_name = gs; | |
db0f160a | 190 | gs = NULL; |
ebba3338 | 191 | |
db0f160a | 192 | if (at[end_pos] == ':') { |
9009cc24 | 193 | state = DOWNSTREAM_NAME; |
db0f160a | 194 | } else if (at[end_pos] == '.') { |
9009cc24 | 195 | state = UPSTREAM_PORT_GLOB; |
db0f160a | 196 | } else { |
ebba3338 PP |
197 | goto error; |
198 | } | |
199 | ||
db0f160a | 200 | at += end_pos + 1; |
ebba3338 | 201 | break; |
9009cc24 | 202 | case DOWNSTREAM_NAME: |
db0f160a PP |
203 | gs = bt_common_string_until(at, ".:\\", ".:", &end_pos); |
204 | if (!gs || gs->len == 0) { | |
ebba3338 PP |
205 | goto error; |
206 | } | |
207 | ||
9009cc24 PP |
208 | g_string_free(cfg_conn->downstream_comp_name, TRUE); |
209 | cfg_conn->downstream_comp_name = gs; | |
db0f160a PP |
210 | gs = NULL; |
211 | ||
212 | if (at[end_pos] == '.') { | |
9009cc24 | 213 | state = DOWNSTREAM_PORT_GLOB; |
db0f160a PP |
214 | } else if (at[end_pos] == '\0') { |
215 | goto end; | |
216 | } else { | |
ebba3338 PP |
217 | goto error; |
218 | } | |
219 | ||
db0f160a | 220 | at += end_pos + 1; |
ebba3338 | 221 | break; |
9009cc24 PP |
222 | case UPSTREAM_PORT_GLOB: |
223 | gs = bt_common_string_until(at, ".:", ".:", &end_pos); | |
db0f160a | 224 | if (!gs || gs->len == 0) { |
ebba3338 PP |
225 | goto error; |
226 | } | |
227 | ||
9009cc24 PP |
228 | if (!validate_port_glob(gs->str)) { |
229 | goto error; | |
230 | } | |
231 | ||
232 | if (normalize_glob_pattern(gs)) { | |
233 | goto error; | |
234 | } | |
235 | ||
236 | g_string_free(cfg_conn->upstream_port_glob, TRUE); | |
237 | cfg_conn->upstream_port_glob = gs; | |
db0f160a PP |
238 | gs = NULL; |
239 | ||
240 | if (at[end_pos] == ':') { | |
9009cc24 | 241 | state = DOWNSTREAM_NAME; |
db0f160a | 242 | } else { |
ebba3338 PP |
243 | goto error; |
244 | } | |
245 | ||
db0f160a | 246 | at += end_pos + 1; |
ebba3338 | 247 | break; |
9009cc24 PP |
248 | case DOWNSTREAM_PORT_GLOB: |
249 | gs = bt_common_string_until(at, ".:", ".:", &end_pos); | |
db0f160a | 250 | if (!gs || gs->len == 0) { |
ebba3338 PP |
251 | goto error; |
252 | } | |
253 | ||
9009cc24 PP |
254 | if (!validate_port_glob(gs->str)) { |
255 | goto error; | |
256 | } | |
257 | ||
258 | if (normalize_glob_pattern(gs)) { | |
259 | goto error; | |
260 | } | |
261 | ||
262 | g_string_free(cfg_conn->downstream_port_glob, TRUE); | |
263 | cfg_conn->downstream_port_glob = gs; | |
db0f160a PP |
264 | gs = NULL; |
265 | ||
266 | if (at[end_pos] == '\0') { | |
267 | goto end; | |
268 | } else { | |
269 | goto error; | |
270 | } | |
ebba3338 PP |
271 | break; |
272 | default: | |
0fbb9a9f | 273 | abort(); |
ebba3338 PP |
274 | } |
275 | } | |
276 | ||
ebba3338 | 277 | error: |
db0f160a PP |
278 | bt_config_connection_destroy(cfg_conn); |
279 | cfg_conn = NULL; | |
ebba3338 PP |
280 | |
281 | end: | |
db0f160a PP |
282 | if (gs) { |
283 | g_string_free(gs, TRUE); | |
ebba3338 PP |
284 | } |
285 | ||
db0f160a | 286 | return cfg_conn; |
ebba3338 PP |
287 | } |
288 | ||
289 | static struct bt_config_component *find_component_in_array(GPtrArray *comps, | |
290 | const char *name) | |
291 | { | |
292 | size_t i; | |
293 | struct bt_config_component *found_comp = NULL; | |
294 | ||
295 | for (i = 0; i < comps->len; i++) { | |
296 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
297 | ||
298 | if (strcmp(name, comp->instance_name->str) == 0) { | |
4b70020d PP |
299 | found_comp = comp; |
300 | bt_object_get_ref(found_comp); | |
ebba3338 PP |
301 | goto end; |
302 | } | |
303 | } | |
304 | ||
305 | end: | |
306 | return found_comp; | |
307 | } | |
308 | ||
309 | static struct bt_config_component *find_component(struct bt_config *cfg, | |
90de159b | 310 | const char *name) |
ebba3338 PP |
311 | { |
312 | struct bt_config_component *comp; | |
313 | ||
db0f160a | 314 | comp = find_component_in_array(cfg->cmd_data.run.sources, name); |
ebba3338 | 315 | if (comp) { |
ebba3338 PP |
316 | goto end; |
317 | } | |
318 | ||
db0f160a | 319 | comp = find_component_in_array(cfg->cmd_data.run.filters, name); |
ebba3338 | 320 | if (comp) { |
ebba3338 PP |
321 | goto end; |
322 | } | |
323 | ||
db0f160a | 324 | comp = find_component_in_array(cfg->cmd_data.run.sinks, name); |
ebba3338 | 325 | if (comp) { |
ebba3338 PP |
326 | goto end; |
327 | } | |
328 | ||
329 | end: | |
330 | return comp; | |
331 | } | |
332 | ||
333 | static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf, | |
334 | size_t error_buf_size) | |
335 | { | |
336 | size_t i; | |
337 | int ret = 0; | |
338 | ||
db0f160a | 339 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 340 | struct bt_config_connection *connection = |
db0f160a | 341 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 | 342 | struct bt_config_component *comp; |
ebba3338 | 343 | |
9009cc24 | 344 | comp = find_component(cfg, connection->upstream_comp_name->str); |
8138bfe1 | 345 | bt_object_put_ref(comp); |
ebba3338 | 346 | if (!comp) { |
db0f160a PP |
347 | snprintf(error_buf, error_buf_size, |
348 | "Invalid connection: cannot find upstream component `%s`:\n %s\n", | |
9009cc24 | 349 | connection->upstream_comp_name->str, |
db0f160a PP |
350 | connection->arg->str); |
351 | ret = -1; | |
352 | goto end; | |
353 | } | |
354 | ||
9009cc24 | 355 | comp = find_component(cfg, connection->downstream_comp_name->str); |
8138bfe1 | 356 | bt_object_put_ref(comp); |
db0f160a PP |
357 | if (!comp) { |
358 | snprintf(error_buf, error_buf_size, | |
359 | "Invalid connection: cannot find downstream component `%s`:\n %s\n", | |
9009cc24 | 360 | connection->downstream_comp_name->str, |
db0f160a PP |
361 | connection->arg->str); |
362 | ret = -1; | |
363 | goto end; | |
ebba3338 PP |
364 | } |
365 | } | |
366 | ||
367 | end: | |
368 | return ret; | |
369 | } | |
370 | ||
371 | static int validate_connection_directions(struct bt_config *cfg, | |
372 | char *error_buf, size_t error_buf_size) | |
373 | { | |
374 | size_t i; | |
375 | int ret = 0; | |
376 | struct bt_config_component *src_comp = NULL; | |
377 | struct bt_config_component *dst_comp = NULL; | |
378 | ||
db0f160a | 379 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 380 | struct bt_config_connection *connection = |
db0f160a | 381 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 PP |
382 | |
383 | src_comp = find_component(cfg, | |
9009cc24 | 384 | connection->upstream_comp_name->str); |
8b45963b | 385 | BT_ASSERT(src_comp); |
ebba3338 | 386 | dst_comp = find_component(cfg, |
9009cc24 | 387 | connection->downstream_comp_name->str); |
8b45963b | 388 | BT_ASSERT(dst_comp); |
ebba3338 | 389 | |
90de159b PP |
390 | if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) { |
391 | if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER && | |
392 | dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) { | |
ebba3338 PP |
393 | snprintf(error_buf, error_buf_size, |
394 | "Invalid connection: source component `%s` not connected to filter or sink component:\n %s\n", | |
9009cc24 | 395 | connection->upstream_comp_name->str, |
ebba3338 PP |
396 | connection->arg->str); |
397 | ret = -1; | |
398 | goto end; | |
399 | } | |
90de159b PP |
400 | } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) { |
401 | if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER && | |
402 | dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) { | |
ebba3338 PP |
403 | snprintf(error_buf, error_buf_size, |
404 | "Invalid connection: filter component `%s` not connected to filter or sink component:\n %s\n", | |
9009cc24 | 405 | connection->upstream_comp_name->str, |
ebba3338 PP |
406 | connection->arg->str); |
407 | ret = -1; | |
408 | goto end; | |
409 | } | |
410 | } else { | |
411 | snprintf(error_buf, error_buf_size, | |
412 | "Invalid connection: cannot connect sink component `%s` to component `%s`:\n %s\n", | |
9009cc24 PP |
413 | connection->upstream_comp_name->str, |
414 | connection->downstream_comp_name->str, | |
ebba3338 PP |
415 | connection->arg->str); |
416 | ret = -1; | |
417 | goto end; | |
418 | } | |
419 | ||
8138bfe1 PP |
420 | BT_OBJECT_PUT_REF_AND_RESET(src_comp); |
421 | BT_OBJECT_PUT_REF_AND_RESET(dst_comp); | |
ebba3338 PP |
422 | } |
423 | ||
424 | end: | |
8138bfe1 PP |
425 | bt_object_put_ref(src_comp); |
426 | bt_object_put_ref(dst_comp); | |
ebba3338 PP |
427 | return ret; |
428 | } | |
429 | ||
db0f160a PP |
430 | static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path, |
431 | char *error_buf, size_t error_buf_size) | |
432 | { | |
433 | int ret = 0; | |
434 | size_t conn_i; | |
435 | const char *src_comp_name; | |
436 | ||
8b45963b | 437 | BT_ASSERT(path && path->len > 0); |
db0f160a PP |
438 | src_comp_name = g_ptr_array_index(path, path->len - 1); |
439 | ||
440 | for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) { | |
441 | struct bt_config_connection *conn = | |
442 | g_ptr_array_index(cfg->cmd_data.run.connections, conn_i); | |
443 | ||
9009cc24 | 444 | if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) { |
db0f160a PP |
445 | size_t path_i; |
446 | ||
447 | for (path_i = 0; path_i < path->len; path_i++) { | |
448 | const char *comp_name = | |
449 | g_ptr_array_index(path, path_i); | |
450 | ||
9009cc24 | 451 | if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) { |
db0f160a PP |
452 | snprintf(error_buf, error_buf_size, |
453 | "Invalid connection: connection forms a cycle:\n %s\n", | |
454 | conn->arg->str); | |
455 | ret = -1; | |
456 | goto end; | |
457 | } | |
458 | } | |
459 | ||
9009cc24 | 460 | g_ptr_array_add(path, conn->downstream_comp_name->str); |
db0f160a PP |
461 | ret = validate_no_cycles_rec(cfg, path, error_buf, |
462 | error_buf_size); | |
463 | if (ret) { | |
464 | goto end; | |
465 | } | |
466 | ||
467 | g_ptr_array_remove_index(path, path->len - 1); | |
468 | } | |
469 | } | |
470 | ||
471 | end: | |
472 | return ret; | |
473 | } | |
474 | ||
475 | static int validate_no_cycles(struct bt_config *cfg, char *error_buf, | |
ebba3338 PP |
476 | size_t error_buf_size) |
477 | { | |
478 | size_t i; | |
479 | int ret = 0; | |
db0f160a | 480 | GPtrArray *path; |
ebba3338 | 481 | |
db0f160a PP |
482 | path = g_ptr_array_new(); |
483 | if (!path) { | |
484 | ret = -1; | |
485 | goto end; | |
486 | } | |
ebba3338 | 487 | |
db0f160a PP |
488 | g_ptr_array_add(path, NULL); |
489 | ||
490 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { | |
491 | struct bt_config_connection *conn = | |
492 | g_ptr_array_index(cfg->cmd_data.run.connections, i); | |
493 | ||
9009cc24 | 494 | g_ptr_array_index(path, 0) = conn->upstream_comp_name->str; |
db0f160a PP |
495 | ret = validate_no_cycles_rec(cfg, path, |
496 | error_buf, error_buf_size); | |
497 | if (ret) { | |
ebba3338 PP |
498 | goto end; |
499 | } | |
500 | } | |
501 | ||
502 | end: | |
db0f160a PP |
503 | if (path) { |
504 | g_ptr_array_free(path, TRUE); | |
505 | } | |
506 | ||
ebba3338 PP |
507 | return ret; |
508 | } | |
509 | ||
510 | static int validate_all_components_connected_in_array(GPtrArray *comps, | |
511 | struct bt_value *connected_components, | |
512 | char *error_buf, size_t error_buf_size) | |
513 | { | |
514 | int ret = 0; | |
515 | size_t i; | |
516 | ||
517 | for (i = 0; i < comps->len; i++) { | |
518 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
519 | ||
44514773 | 520 | if (!bt_value_map_has_entry(connected_components, |
ebba3338 PP |
521 | comp->instance_name->str)) { |
522 | snprintf(error_buf, error_buf_size, | |
523 | "Component `%s` is not connected\n", | |
524 | comp->instance_name->str); | |
525 | ret = -1; | |
526 | goto end; | |
527 | } | |
528 | } | |
529 | ||
530 | end: | |
531 | return ret; | |
532 | } | |
533 | ||
534 | static int validate_all_components_connected(struct bt_config *cfg, | |
535 | char *error_buf, size_t error_buf_size) | |
536 | { | |
537 | size_t i; | |
538 | int ret = 0; | |
17582c6d PP |
539 | struct bt_private_value *connected_components = |
540 | bt_private_value_map_create(); | |
ebba3338 PP |
541 | |
542 | if (!connected_components) { | |
543 | ret = -1; | |
544 | goto end; | |
545 | } | |
546 | ||
db0f160a | 547 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 548 | struct bt_config_connection *connection = |
db0f160a | 549 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 | 550 | |
17582c6d | 551 | ret = bt_private_value_map_insert_entry(connected_components, |
9009cc24 | 552 | connection->upstream_comp_name->str, bt_value_null); |
ebba3338 PP |
553 | if (ret) { |
554 | goto end; | |
555 | } | |
556 | ||
17582c6d | 557 | ret = bt_private_value_map_insert_entry(connected_components, |
9009cc24 | 558 | connection->downstream_comp_name->str, bt_value_null); |
ebba3338 PP |
559 | if (ret) { |
560 | goto end; | |
561 | } | |
562 | } | |
563 | ||
564 | ret = validate_all_components_connected_in_array( | |
17582c6d | 565 | cfg->cmd_data.run.sources, |
bb61965b | 566 | bt_private_value_as_value(connected_components), |
ebba3338 PP |
567 | error_buf, error_buf_size); |
568 | if (ret) { | |
569 | goto end; | |
570 | } | |
571 | ||
572 | ret = validate_all_components_connected_in_array( | |
17582c6d | 573 | cfg->cmd_data.run.filters, |
bb61965b | 574 | bt_private_value_as_value(connected_components), |
ebba3338 PP |
575 | error_buf, error_buf_size); |
576 | if (ret) { | |
577 | goto end; | |
578 | } | |
579 | ||
580 | ret = validate_all_components_connected_in_array( | |
17582c6d | 581 | cfg->cmd_data.run.sinks, |
bb61965b | 582 | bt_private_value_as_value(connected_components), |
ebba3338 PP |
583 | error_buf, error_buf_size); |
584 | if (ret) { | |
585 | goto end; | |
586 | } | |
587 | ||
588 | end: | |
8138bfe1 | 589 | bt_object_put_ref(connected_components); |
ebba3338 PP |
590 | return ret; |
591 | } | |
592 | ||
593 | static int validate_no_duplicate_connection(struct bt_config *cfg, | |
594 | char *error_buf, size_t error_buf_size) | |
595 | { | |
596 | size_t i; | |
597 | int ret = 0; | |
17582c6d PP |
598 | struct bt_private_value *flat_connection_names = |
599 | bt_private_value_map_create(); | |
ebba3338 PP |
600 | GString *flat_connection_name = NULL; |
601 | ||
602 | if (!flat_connection_names) { | |
603 | ret = -1; | |
604 | goto end; | |
605 | } | |
606 | ||
607 | flat_connection_name = g_string_new(NULL); | |
608 | if (!flat_connection_name) { | |
609 | ret = -1; | |
610 | goto end; | |
611 | } | |
612 | ||
db0f160a | 613 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 614 | struct bt_config_connection *connection = |
db0f160a | 615 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 | 616 | |
db0f160a | 617 | g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s", |
9009cc24 PP |
618 | connection->upstream_comp_name->str, |
619 | connection->upstream_port_glob->str, | |
620 | connection->downstream_comp_name->str, | |
621 | connection->downstream_port_glob->str); | |
ebba3338 | 622 | |
bb61965b | 623 | if (bt_value_map_has_entry(bt_private_value_as_value( |
17582c6d | 624 | flat_connection_names), |
ebba3338 PP |
625 | flat_connection_name->str)) { |
626 | snprintf(error_buf, error_buf_size, | |
627 | "Duplicate connection:\n %s\n", | |
628 | connection->arg->str); | |
629 | ret = -1; | |
630 | goto end; | |
631 | } | |
632 | ||
17582c6d | 633 | ret = bt_private_value_map_insert_entry(flat_connection_names, |
ebba3338 PP |
634 | flat_connection_name->str, bt_value_null); |
635 | if (ret) { | |
636 | goto end; | |
637 | } | |
638 | } | |
639 | ||
640 | end: | |
8138bfe1 | 641 | bt_object_put_ref(flat_connection_names); |
ebba3338 PP |
642 | |
643 | if (flat_connection_name) { | |
644 | g_string_free(flat_connection_name, TRUE); | |
645 | } | |
646 | ||
647 | return ret; | |
648 | } | |
649 | ||
650 | static int validate_connections(struct bt_config *cfg, char *error_buf, | |
651 | size_t error_buf_size) | |
652 | { | |
653 | int ret; | |
654 | ||
655 | ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size); | |
656 | if (ret) { | |
657 | goto end; | |
658 | } | |
659 | ||
660 | ret = validate_connection_directions(cfg, error_buf, error_buf_size); | |
661 | if (ret) { | |
662 | goto end; | |
663 | } | |
664 | ||
ebba3338 PP |
665 | ret = validate_all_components_connected(cfg, error_buf, error_buf_size); |
666 | if (ret) { | |
667 | goto end; | |
668 | } | |
669 | ||
670 | ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size); | |
671 | if (ret) { | |
672 | goto end; | |
673 | } | |
674 | ||
db0f160a | 675 | ret = validate_no_cycles(cfg, error_buf, error_buf_size); |
ebba3338 PP |
676 | if (ret) { |
677 | goto end; | |
678 | } | |
679 | ||
ebba3338 | 680 | end: |
ebba3338 PP |
681 | return ret; |
682 | } | |
683 | ||
9009cc24 | 684 | int bt_config_cli_args_create_connections(struct bt_config *cfg, |
ebba3338 PP |
685 | struct bt_value *connection_args, |
686 | char *error_buf, size_t error_buf_size) | |
687 | { | |
688 | int ret; | |
689 | size_t i; | |
690 | ||
db0f160a PP |
691 | if (!all_named_and_printable(cfg)) { |
692 | snprintf(error_buf, error_buf_size, | |
693 | "One or more components are unnamed (use --name) or contain a non-printable character\n"); | |
ebba3338 PP |
694 | goto error; |
695 | } | |
696 | ||
44514773 | 697 | for (i = 0; i < bt_value_array_get_size(connection_args); i++) { |
ebba3338 | 698 | struct bt_value *arg_value = |
44514773 PP |
699 | bt_value_array_borrow_element_by_index( |
700 | connection_args, i); | |
ebba3338 PP |
701 | const char *arg; |
702 | struct bt_config_connection *cfg_connection; | |
703 | ||
b5cdc106 | 704 | arg = bt_value_string_get(arg_value); |
ebba3338 PP |
705 | cfg_connection = cfg_connection_from_arg(arg); |
706 | if (!cfg_connection) { | |
707 | snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n %s\n", | |
708 | arg); | |
709 | goto error; | |
710 | } | |
711 | ||
db0f160a | 712 | g_ptr_array_add(cfg->cmd_data.run.connections, |
ebba3338 PP |
713 | cfg_connection); |
714 | } | |
715 | ||
716 | ||
717 | ret = validate_connections(cfg, error_buf, error_buf_size); | |
718 | if (ret) { | |
719 | goto error; | |
720 | } | |
721 | ||
722 | goto end; | |
723 | ||
724 | error: | |
725 | ret = -1; | |
726 | ||
727 | end: | |
728 | return ret; | |
729 | } |