Commit | Line | Data |
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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> |
db0f160a | 25 | #include <babeltrace/common-internal.h> |
ebba3338 | 26 | #include "babeltrace-cfg.h" |
9009cc24 | 27 | #include "babeltrace-cfg-cli-args-connect.h" |
ebba3338 | 28 | |
db0f160a | 29 | static bool all_named_and_printable_in_array(GPtrArray *comps) |
ebba3338 PP |
30 | { |
31 | size_t i; | |
db0f160a | 32 | bool all_named_and_printable = true; |
ebba3338 PP |
33 | |
34 | for (i = 0; i < comps->len; i++) { | |
35 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
36 | ||
37 | if (comp->instance_name->len == 0) { | |
db0f160a PP |
38 | all_named_and_printable = false; |
39 | goto end; | |
40 | } | |
41 | ||
42 | if (!bt_common_string_is_printable(comp->instance_name->str)) { | |
43 | all_named_and_printable = false; | |
ebba3338 PP |
44 | goto end; |
45 | } | |
46 | } | |
47 | ||
48 | end: | |
db0f160a | 49 | return all_named_and_printable; |
ebba3338 PP |
50 | } |
51 | ||
db0f160a | 52 | static bool all_named_and_printable(struct bt_config *cfg) |
ebba3338 | 53 | { |
db0f160a PP |
54 | return all_named_and_printable_in_array(cfg->cmd_data.run.sources) && |
55 | all_named_and_printable_in_array(cfg->cmd_data.run.filters) && | |
56 | all_named_and_printable_in_array(cfg->cmd_data.run.sinks); | |
ebba3338 PP |
57 | } |
58 | ||
ebba3338 PP |
59 | static struct bt_config_connection *bt_config_connection_create(const char *arg) |
60 | { | |
61 | struct bt_config_connection *cfg_connection; | |
62 | ||
63 | cfg_connection = g_new0(struct bt_config_connection, 1); | |
64 | if (!cfg_connection) { | |
65 | goto error; | |
66 | } | |
67 | ||
9009cc24 PP |
68 | cfg_connection->upstream_comp_name = g_string_new(NULL); |
69 | if (!cfg_connection->upstream_comp_name) { | |
ebba3338 PP |
70 | goto error; |
71 | } | |
72 | ||
9009cc24 PP |
73 | cfg_connection->downstream_comp_name = g_string_new(NULL); |
74 | if (!cfg_connection->downstream_comp_name) { | |
ebba3338 PP |
75 | goto error; |
76 | } | |
77 | ||
9009cc24 PP |
78 | cfg_connection->upstream_port_glob = g_string_new("*"); |
79 | if (!cfg_connection->upstream_port_glob) { | |
ebba3338 PP |
80 | goto error; |
81 | } | |
82 | ||
9009cc24 PP |
83 | cfg_connection->downstream_port_glob = g_string_new("*"); |
84 | if (!cfg_connection->downstream_port_glob) { | |
ebba3338 PP |
85 | goto error; |
86 | } | |
87 | ||
88 | cfg_connection->arg = g_string_new(arg); | |
89 | if (!cfg_connection->arg) { | |
90 | goto error; | |
91 | } | |
92 | ||
93 | goto end; | |
94 | ||
95 | error: | |
96 | g_free(cfg_connection); | |
97 | cfg_connection = NULL; | |
98 | ||
99 | end: | |
100 | return cfg_connection; | |
101 | } | |
102 | ||
9009cc24 PP |
103 | static bool validate_port_glob(const char *port_glob) |
104 | { | |
105 | bool is_valid = true; | |
106 | const char *ch = port_glob; | |
107 | ||
f6ccaed9 | 108 | BT_ASSERT(port_glob); |
9009cc24 PP |
109 | |
110 | while (*ch != '\0') { | |
111 | switch (*ch) { | |
112 | case '\\': | |
113 | switch (ch[1]) { | |
114 | case '\0': | |
115 | goto end; | |
116 | default: | |
117 | ch += 2; | |
118 | continue; | |
119 | } | |
120 | case '?': | |
121 | case '[': | |
122 | /* | |
123 | * This is reserved for future use, to support | |
124 | * full globbing patterns. Those characters must | |
125 | * be escaped with `\`. | |
126 | */ | |
127 | is_valid = false; | |
128 | goto end; | |
129 | default: | |
130 | ch++; | |
131 | break; | |
132 | } | |
133 | } | |
134 | ||
135 | end: | |
136 | return is_valid; | |
137 | } | |
138 | ||
139 | static int normalize_glob_pattern(GString *glob_pattern_gs) | |
140 | { | |
141 | int ret = 0; | |
142 | char *glob_pattern = strdup(glob_pattern_gs->str); | |
143 | ||
144 | if (!glob_pattern) { | |
145 | ret = -1; | |
146 | goto end; | |
147 | } | |
148 | ||
149 | bt_common_normalize_star_glob_pattern(glob_pattern); | |
150 | g_string_assign(glob_pattern_gs, glob_pattern); | |
151 | free(glob_pattern); | |
152 | ||
153 | end: | |
154 | return ret; | |
155 | } | |
156 | ||
ebba3338 PP |
157 | static struct bt_config_connection *cfg_connection_from_arg(const char *arg) |
158 | { | |
db0f160a PP |
159 | const char *at = arg; |
160 | size_t end_pos; | |
161 | struct bt_config_connection *cfg_conn = NULL; | |
162 | GString *gs = NULL; | |
ebba3338 | 163 | enum { |
9009cc24 PP |
164 | UPSTREAM_NAME, |
165 | DOWNSTREAM_NAME, | |
166 | UPSTREAM_PORT_GLOB, | |
167 | DOWNSTREAM_PORT_GLOB, | |
168 | } state = UPSTREAM_NAME; | |
db0f160a PP |
169 | |
170 | if (!bt_common_string_is_printable(arg)) { | |
ebba3338 PP |
171 | goto error; |
172 | } | |
173 | ||
db0f160a PP |
174 | cfg_conn = bt_config_connection_create(arg); |
175 | if (!cfg_conn) { | |
ebba3338 PP |
176 | goto error; |
177 | } | |
178 | ||
ebba3338 | 179 | while (true) { |
ebba3338 | 180 | switch (state) { |
9009cc24 | 181 | case UPSTREAM_NAME: |
db0f160a PP |
182 | gs = bt_common_string_until(at, ".:\\", ".:", &end_pos); |
183 | if (!gs || gs->len == 0) { | |
ebba3338 PP |
184 | goto error; |
185 | } | |
186 | ||
9009cc24 PP |
187 | g_string_free(cfg_conn->upstream_comp_name, TRUE); |
188 | cfg_conn->upstream_comp_name = gs; | |
db0f160a | 189 | gs = NULL; |
ebba3338 | 190 | |
db0f160a | 191 | if (at[end_pos] == ':') { |
9009cc24 | 192 | state = DOWNSTREAM_NAME; |
db0f160a | 193 | } else if (at[end_pos] == '.') { |
9009cc24 | 194 | state = UPSTREAM_PORT_GLOB; |
db0f160a | 195 | } else { |
ebba3338 PP |
196 | goto error; |
197 | } | |
198 | ||
db0f160a | 199 | at += end_pos + 1; |
ebba3338 | 200 | break; |
9009cc24 | 201 | case DOWNSTREAM_NAME: |
db0f160a PP |
202 | gs = bt_common_string_until(at, ".:\\", ".:", &end_pos); |
203 | if (!gs || gs->len == 0) { | |
ebba3338 PP |
204 | goto error; |
205 | } | |
206 | ||
9009cc24 PP |
207 | g_string_free(cfg_conn->downstream_comp_name, TRUE); |
208 | cfg_conn->downstream_comp_name = gs; | |
db0f160a PP |
209 | gs = NULL; |
210 | ||
211 | if (at[end_pos] == '.') { | |
9009cc24 | 212 | state = DOWNSTREAM_PORT_GLOB; |
db0f160a PP |
213 | } else if (at[end_pos] == '\0') { |
214 | goto end; | |
215 | } else { | |
ebba3338 PP |
216 | goto error; |
217 | } | |
218 | ||
db0f160a | 219 | at += end_pos + 1; |
ebba3338 | 220 | break; |
9009cc24 PP |
221 | case UPSTREAM_PORT_GLOB: |
222 | gs = bt_common_string_until(at, ".:", ".:", &end_pos); | |
db0f160a | 223 | if (!gs || gs->len == 0) { |
ebba3338 PP |
224 | goto error; |
225 | } | |
226 | ||
9009cc24 PP |
227 | if (!validate_port_glob(gs->str)) { |
228 | goto error; | |
229 | } | |
230 | ||
231 | if (normalize_glob_pattern(gs)) { | |
232 | goto error; | |
233 | } | |
234 | ||
235 | g_string_free(cfg_conn->upstream_port_glob, TRUE); | |
236 | cfg_conn->upstream_port_glob = gs; | |
db0f160a PP |
237 | gs = NULL; |
238 | ||
239 | if (at[end_pos] == ':') { | |
9009cc24 | 240 | state = DOWNSTREAM_NAME; |
db0f160a | 241 | } else { |
ebba3338 PP |
242 | goto error; |
243 | } | |
244 | ||
db0f160a | 245 | at += end_pos + 1; |
ebba3338 | 246 | break; |
9009cc24 PP |
247 | case DOWNSTREAM_PORT_GLOB: |
248 | gs = bt_common_string_until(at, ".:", ".:", &end_pos); | |
db0f160a | 249 | if (!gs || gs->len == 0) { |
ebba3338 PP |
250 | goto error; |
251 | } | |
252 | ||
9009cc24 PP |
253 | if (!validate_port_glob(gs->str)) { |
254 | goto error; | |
255 | } | |
256 | ||
257 | if (normalize_glob_pattern(gs)) { | |
258 | goto error; | |
259 | } | |
260 | ||
261 | g_string_free(cfg_conn->downstream_port_glob, TRUE); | |
262 | cfg_conn->downstream_port_glob = gs; | |
db0f160a PP |
263 | gs = NULL; |
264 | ||
265 | if (at[end_pos] == '\0') { | |
266 | goto end; | |
267 | } else { | |
268 | goto error; | |
269 | } | |
ebba3338 PP |
270 | break; |
271 | default: | |
0fbb9a9f | 272 | abort(); |
ebba3338 PP |
273 | } |
274 | } | |
275 | ||
ebba3338 | 276 | error: |
db0f160a PP |
277 | bt_config_connection_destroy(cfg_conn); |
278 | cfg_conn = NULL; | |
ebba3338 PP |
279 | |
280 | end: | |
db0f160a PP |
281 | if (gs) { |
282 | g_string_free(gs, TRUE); | |
ebba3338 PP |
283 | } |
284 | ||
db0f160a | 285 | return cfg_conn; |
ebba3338 PP |
286 | } |
287 | ||
288 | static struct bt_config_component *find_component_in_array(GPtrArray *comps, | |
289 | const char *name) | |
290 | { | |
291 | size_t i; | |
292 | struct bt_config_component *found_comp = NULL; | |
293 | ||
294 | for (i = 0; i < comps->len; i++) { | |
295 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
296 | ||
297 | if (strcmp(name, comp->instance_name->str) == 0) { | |
298 | found_comp = bt_get(comp); | |
299 | goto end; | |
300 | } | |
301 | } | |
302 | ||
303 | end: | |
304 | return found_comp; | |
305 | } | |
306 | ||
307 | static struct bt_config_component *find_component(struct bt_config *cfg, | |
90de159b | 308 | const char *name) |
ebba3338 PP |
309 | { |
310 | struct bt_config_component *comp; | |
311 | ||
db0f160a | 312 | comp = find_component_in_array(cfg->cmd_data.run.sources, name); |
ebba3338 | 313 | if (comp) { |
ebba3338 PP |
314 | goto end; |
315 | } | |
316 | ||
db0f160a | 317 | comp = find_component_in_array(cfg->cmd_data.run.filters, name); |
ebba3338 | 318 | if (comp) { |
ebba3338 PP |
319 | goto end; |
320 | } | |
321 | ||
db0f160a | 322 | comp = find_component_in_array(cfg->cmd_data.run.sinks, name); |
ebba3338 | 323 | if (comp) { |
ebba3338 PP |
324 | goto end; |
325 | } | |
326 | ||
327 | end: | |
328 | return comp; | |
329 | } | |
330 | ||
331 | static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf, | |
332 | size_t error_buf_size) | |
333 | { | |
334 | size_t i; | |
335 | int ret = 0; | |
336 | ||
db0f160a | 337 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 338 | struct bt_config_connection *connection = |
db0f160a | 339 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 | 340 | struct bt_config_component *comp; |
ebba3338 | 341 | |
9009cc24 | 342 | comp = find_component(cfg, connection->upstream_comp_name->str); |
ebba3338 PP |
343 | bt_put(comp); |
344 | if (!comp) { | |
db0f160a PP |
345 | snprintf(error_buf, error_buf_size, |
346 | "Invalid connection: cannot find upstream component `%s`:\n %s\n", | |
9009cc24 | 347 | connection->upstream_comp_name->str, |
db0f160a PP |
348 | connection->arg->str); |
349 | ret = -1; | |
350 | goto end; | |
351 | } | |
352 | ||
9009cc24 | 353 | comp = find_component(cfg, connection->downstream_comp_name->str); |
db0f160a PP |
354 | bt_put(comp); |
355 | if (!comp) { | |
356 | snprintf(error_buf, error_buf_size, | |
357 | "Invalid connection: cannot find downstream component `%s`:\n %s\n", | |
9009cc24 | 358 | connection->downstream_comp_name->str, |
db0f160a PP |
359 | connection->arg->str); |
360 | ret = -1; | |
361 | goto end; | |
ebba3338 PP |
362 | } |
363 | } | |
364 | ||
365 | end: | |
366 | return ret; | |
367 | } | |
368 | ||
369 | static int validate_connection_directions(struct bt_config *cfg, | |
370 | char *error_buf, size_t error_buf_size) | |
371 | { | |
372 | size_t i; | |
373 | int ret = 0; | |
374 | struct bt_config_component *src_comp = NULL; | |
375 | struct bt_config_component *dst_comp = NULL; | |
376 | ||
db0f160a | 377 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 378 | struct bt_config_connection *connection = |
db0f160a | 379 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 PP |
380 | |
381 | src_comp = find_component(cfg, | |
9009cc24 | 382 | connection->upstream_comp_name->str); |
f6ccaed9 | 383 | BT_ASSERT(src_comp); |
ebba3338 | 384 | dst_comp = find_component(cfg, |
9009cc24 | 385 | connection->downstream_comp_name->str); |
f6ccaed9 | 386 | BT_ASSERT(dst_comp); |
ebba3338 | 387 | |
90de159b PP |
388 | if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) { |
389 | if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER && | |
390 | dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) { | |
ebba3338 PP |
391 | snprintf(error_buf, error_buf_size, |
392 | "Invalid connection: source component `%s` not connected to filter or sink component:\n %s\n", | |
9009cc24 | 393 | connection->upstream_comp_name->str, |
ebba3338 PP |
394 | connection->arg->str); |
395 | ret = -1; | |
396 | goto end; | |
397 | } | |
90de159b PP |
398 | } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) { |
399 | if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER && | |
400 | dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) { | |
ebba3338 PP |
401 | snprintf(error_buf, error_buf_size, |
402 | "Invalid connection: filter component `%s` not connected to filter or sink component:\n %s\n", | |
9009cc24 | 403 | connection->upstream_comp_name->str, |
ebba3338 PP |
404 | connection->arg->str); |
405 | ret = -1; | |
406 | goto end; | |
407 | } | |
408 | } else { | |
409 | snprintf(error_buf, error_buf_size, | |
410 | "Invalid connection: cannot connect sink component `%s` to component `%s`:\n %s\n", | |
9009cc24 PP |
411 | connection->upstream_comp_name->str, |
412 | connection->downstream_comp_name->str, | |
ebba3338 PP |
413 | connection->arg->str); |
414 | ret = -1; | |
415 | goto end; | |
416 | } | |
417 | ||
418 | BT_PUT(src_comp); | |
419 | BT_PUT(dst_comp); | |
420 | } | |
421 | ||
422 | end: | |
423 | bt_put(src_comp); | |
424 | bt_put(dst_comp); | |
425 | return ret; | |
426 | } | |
427 | ||
db0f160a PP |
428 | static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path, |
429 | char *error_buf, size_t error_buf_size) | |
430 | { | |
431 | int ret = 0; | |
432 | size_t conn_i; | |
433 | const char *src_comp_name; | |
434 | ||
f6ccaed9 | 435 | BT_ASSERT(path && path->len > 0); |
db0f160a PP |
436 | src_comp_name = g_ptr_array_index(path, path->len - 1); |
437 | ||
438 | for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) { | |
439 | struct bt_config_connection *conn = | |
440 | g_ptr_array_index(cfg->cmd_data.run.connections, conn_i); | |
441 | ||
9009cc24 | 442 | if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) { |
db0f160a PP |
443 | size_t path_i; |
444 | ||
445 | for (path_i = 0; path_i < path->len; path_i++) { | |
446 | const char *comp_name = | |
447 | g_ptr_array_index(path, path_i); | |
448 | ||
9009cc24 | 449 | if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) { |
db0f160a PP |
450 | snprintf(error_buf, error_buf_size, |
451 | "Invalid connection: connection forms a cycle:\n %s\n", | |
452 | conn->arg->str); | |
453 | ret = -1; | |
454 | goto end; | |
455 | } | |
456 | } | |
457 | ||
9009cc24 | 458 | g_ptr_array_add(path, conn->downstream_comp_name->str); |
db0f160a PP |
459 | ret = validate_no_cycles_rec(cfg, path, error_buf, |
460 | error_buf_size); | |
461 | if (ret) { | |
462 | goto end; | |
463 | } | |
464 | ||
465 | g_ptr_array_remove_index(path, path->len - 1); | |
466 | } | |
467 | } | |
468 | ||
469 | end: | |
470 | return ret; | |
471 | } | |
472 | ||
473 | static int validate_no_cycles(struct bt_config *cfg, char *error_buf, | |
ebba3338 PP |
474 | size_t error_buf_size) |
475 | { | |
476 | size_t i; | |
477 | int ret = 0; | |
db0f160a | 478 | GPtrArray *path; |
ebba3338 | 479 | |
db0f160a PP |
480 | path = g_ptr_array_new(); |
481 | if (!path) { | |
482 | ret = -1; | |
483 | goto end; | |
484 | } | |
ebba3338 | 485 | |
db0f160a PP |
486 | g_ptr_array_add(path, NULL); |
487 | ||
488 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { | |
489 | struct bt_config_connection *conn = | |
490 | g_ptr_array_index(cfg->cmd_data.run.connections, i); | |
491 | ||
9009cc24 | 492 | g_ptr_array_index(path, 0) = conn->upstream_comp_name->str; |
db0f160a PP |
493 | ret = validate_no_cycles_rec(cfg, path, |
494 | error_buf, error_buf_size); | |
495 | if (ret) { | |
ebba3338 PP |
496 | goto end; |
497 | } | |
498 | } | |
499 | ||
500 | end: | |
db0f160a PP |
501 | if (path) { |
502 | g_ptr_array_free(path, TRUE); | |
503 | } | |
504 | ||
ebba3338 PP |
505 | return ret; |
506 | } | |
507 | ||
508 | static int validate_all_components_connected_in_array(GPtrArray *comps, | |
509 | struct bt_value *connected_components, | |
510 | char *error_buf, size_t error_buf_size) | |
511 | { | |
512 | int ret = 0; | |
513 | size_t i; | |
514 | ||
515 | for (i = 0; i < comps->len; i++) { | |
516 | struct bt_config_component *comp = g_ptr_array_index(comps, i); | |
517 | ||
518 | if (!bt_value_map_has_key(connected_components, | |
519 | comp->instance_name->str)) { | |
520 | snprintf(error_buf, error_buf_size, | |
521 | "Component `%s` is not connected\n", | |
522 | comp->instance_name->str); | |
523 | ret = -1; | |
524 | goto end; | |
525 | } | |
526 | } | |
527 | ||
528 | end: | |
529 | return ret; | |
530 | } | |
531 | ||
532 | static int validate_all_components_connected(struct bt_config *cfg, | |
533 | char *error_buf, size_t error_buf_size) | |
534 | { | |
535 | size_t i; | |
536 | int ret = 0; | |
537 | struct bt_value *connected_components = bt_value_map_create(); | |
538 | ||
539 | if (!connected_components) { | |
540 | ret = -1; | |
541 | goto end; | |
542 | } | |
543 | ||
db0f160a | 544 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 545 | struct bt_config_connection *connection = |
db0f160a | 546 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 PP |
547 | |
548 | ret = bt_value_map_insert(connected_components, | |
9009cc24 | 549 | connection->upstream_comp_name->str, bt_value_null); |
ebba3338 PP |
550 | if (ret) { |
551 | goto end; | |
552 | } | |
553 | ||
554 | ret = bt_value_map_insert(connected_components, | |
9009cc24 | 555 | connection->downstream_comp_name->str, bt_value_null); |
ebba3338 PP |
556 | if (ret) { |
557 | goto end; | |
558 | } | |
559 | } | |
560 | ||
561 | ret = validate_all_components_connected_in_array( | |
db0f160a | 562 | cfg->cmd_data.run.sources, connected_components, |
ebba3338 PP |
563 | error_buf, error_buf_size); |
564 | if (ret) { | |
565 | goto end; | |
566 | } | |
567 | ||
568 | ret = validate_all_components_connected_in_array( | |
db0f160a | 569 | cfg->cmd_data.run.filters, connected_components, |
ebba3338 PP |
570 | error_buf, error_buf_size); |
571 | if (ret) { | |
572 | goto end; | |
573 | } | |
574 | ||
575 | ret = validate_all_components_connected_in_array( | |
db0f160a | 576 | cfg->cmd_data.run.sinks, connected_components, |
ebba3338 PP |
577 | error_buf, error_buf_size); |
578 | if (ret) { | |
579 | goto end; | |
580 | } | |
581 | ||
582 | end: | |
583 | bt_put(connected_components); | |
584 | return ret; | |
585 | } | |
586 | ||
587 | static int validate_no_duplicate_connection(struct bt_config *cfg, | |
588 | char *error_buf, size_t error_buf_size) | |
589 | { | |
590 | size_t i; | |
591 | int ret = 0; | |
592 | struct bt_value *flat_connection_names = bt_value_map_create(); | |
593 | GString *flat_connection_name = NULL; | |
594 | ||
595 | if (!flat_connection_names) { | |
596 | ret = -1; | |
597 | goto end; | |
598 | } | |
599 | ||
600 | flat_connection_name = g_string_new(NULL); | |
601 | if (!flat_connection_name) { | |
602 | ret = -1; | |
603 | goto end; | |
604 | } | |
605 | ||
db0f160a | 606 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
ebba3338 | 607 | struct bt_config_connection *connection = |
db0f160a | 608 | g_ptr_array_index(cfg->cmd_data.run.connections, i); |
ebba3338 | 609 | |
db0f160a | 610 | g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s", |
9009cc24 PP |
611 | connection->upstream_comp_name->str, |
612 | connection->upstream_port_glob->str, | |
613 | connection->downstream_comp_name->str, | |
614 | connection->downstream_port_glob->str); | |
ebba3338 PP |
615 | |
616 | if (bt_value_map_has_key(flat_connection_names, | |
617 | flat_connection_name->str)) { | |
618 | snprintf(error_buf, error_buf_size, | |
619 | "Duplicate connection:\n %s\n", | |
620 | connection->arg->str); | |
621 | ret = -1; | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = bt_value_map_insert(flat_connection_names, | |
626 | flat_connection_name->str, bt_value_null); | |
627 | if (ret) { | |
628 | goto end; | |
629 | } | |
630 | } | |
631 | ||
632 | end: | |
633 | bt_put(flat_connection_names); | |
634 | ||
635 | if (flat_connection_name) { | |
636 | g_string_free(flat_connection_name, TRUE); | |
637 | } | |
638 | ||
639 | return ret; | |
640 | } | |
641 | ||
642 | static int validate_connections(struct bt_config *cfg, char *error_buf, | |
643 | size_t error_buf_size) | |
644 | { | |
645 | int ret; | |
646 | ||
647 | ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size); | |
648 | if (ret) { | |
649 | goto end; | |
650 | } | |
651 | ||
652 | ret = validate_connection_directions(cfg, error_buf, error_buf_size); | |
653 | if (ret) { | |
654 | goto end; | |
655 | } | |
656 | ||
ebba3338 PP |
657 | ret = validate_all_components_connected(cfg, error_buf, error_buf_size); |
658 | if (ret) { | |
659 | goto end; | |
660 | } | |
661 | ||
662 | ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size); | |
663 | if (ret) { | |
664 | goto end; | |
665 | } | |
666 | ||
db0f160a | 667 | ret = validate_no_cycles(cfg, error_buf, error_buf_size); |
ebba3338 PP |
668 | if (ret) { |
669 | goto end; | |
670 | } | |
671 | ||
ebba3338 | 672 | end: |
ebba3338 PP |
673 | return ret; |
674 | } | |
675 | ||
9009cc24 | 676 | int bt_config_cli_args_create_connections(struct bt_config *cfg, |
ebba3338 PP |
677 | struct bt_value *connection_args, |
678 | char *error_buf, size_t error_buf_size) | |
679 | { | |
680 | int ret; | |
681 | size_t i; | |
682 | ||
db0f160a PP |
683 | if (!all_named_and_printable(cfg)) { |
684 | snprintf(error_buf, error_buf_size, | |
685 | "One or more components are unnamed (use --name) or contain a non-printable character\n"); | |
ebba3338 PP |
686 | goto error; |
687 | } | |
688 | ||
689 | for (i = 0; i < bt_value_array_size(connection_args); i++) { | |
690 | struct bt_value *arg_value = | |
691 | bt_value_array_get(connection_args, i); | |
692 | const char *arg; | |
693 | struct bt_config_connection *cfg_connection; | |
694 | ||
695 | ret = bt_value_string_get(arg_value, &arg); | |
696 | BT_PUT(arg_value); | |
f6ccaed9 | 697 | BT_ASSERT(ret == 0); |
ebba3338 PP |
698 | cfg_connection = cfg_connection_from_arg(arg); |
699 | if (!cfg_connection) { | |
700 | snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n %s\n", | |
701 | arg); | |
702 | goto error; | |
703 | } | |
704 | ||
db0f160a | 705 | g_ptr_array_add(cfg->cmd_data.run.connections, |
ebba3338 PP |
706 | cfg_connection); |
707 | } | |
708 | ||
709 | ||
710 | ret = validate_connections(cfg, error_buf, error_buf_size); | |
711 | if (ret) { | |
712 | goto error; | |
713 | } | |
714 | ||
715 | goto end; | |
716 | ||
717 | error: | |
718 | ret = -1; | |
719 | ||
720 | end: | |
721 | return ret; | |
722 | } |