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-rw-r--r--src/testing/testing_api_cmd_netjail_start_testsystem.c610
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diff --git a/src/testing/testing_api_cmd_netjail_start_testsystem.c b/src/testing/testing_api_cmd_netjail_start_testsystem.c
deleted file mode 100644
index 531621eb5..000000000
--- a/src/testing/testing_api_cmd_netjail_start_testsystem.c
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@@ -1,610 +0,0 @@
1/*
2 This file is part of GNUnet
3 Copyright (C) 2021 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * @file testing/testing_api_cmd_hello_world.c
23 * @brief Command to start the netjail peers.
24 * @author t3sserakt
25 */
26#include "platform.h"
27#include "gnunet_testing_ng_lib.h"
28#include "testing_cmds.h"
29
30#define NETJAIL_EXEC_SCRIPT "./../testing/netjail_exec.sh"
31
32/**
33 * Struct to store messages send/received by the helper into a DLL
34 *
35 */
36struct HelperMessage
37{
38
39 /**
40 * Kept in a DLL.
41 */
42 struct HelperMessage *next;
43
44 /**
45 * Kept in a DLL.
46 */
47 struct HelperMessage *prev;
48
49 /**
50 * Size of the original message.
51 */
52 uint16_t bytes_msg;
53
54 /* Followed by @e bytes_msg of msg.*/
55};
56
57
58/**
59 * Struct to store information handed over to callbacks.
60 *
61 */
62struct NetJailState
63{
64 /**
65 * Pointer to the return value of the test.
66 *
67 */
68 unsigned int *rv;
69
70 /**
71 * Head of the DLL which stores messages received by the helper.
72 *
73 */
74 struct HelperMessage *hp_messages_head;
75
76 /**
77 * Tail of the DLL which stores messages received by the helper.
78 *
79 */
80 struct HelperMessage *hp_messages_tail;
81
82 /**
83 * Array with handles of helper processes.
84 */
85 struct GNUNET_HELPER_Handle **helper;
86
87 /**
88 * Size of the array NetJailState#helper.
89 *
90 */
91 unsigned int n_helper;
92
93 /**
94 * Number of nodes in a network namespace. //TODO make this a unsigned int
95 *
96 */
97 char *local_m;
98
99 /**
100 * Number of network namespaces. //TODO make this a unsigned int
101 *
102 */
103 char *global_n;
104
105 /**
106 * The send handle for the helper
107 */
108 struct GNUNET_HELPER_SendHandle **shandle;
109
110 /**
111 * Size of the array NetJailState#shandle.
112 *
113 */
114 unsigned int n_shandle;
115
116 /**
117 * The messages send to the helper.
118 */
119 struct GNUNET_MessageHeader **msg;
120
121 /**
122 * Size of the array NetJailState#msg.
123 *
124 */
125 unsigned int n_msg;
126
127 /**
128 * Number of test environments started.
129 *
130 */
131 unsigned int number_of_testsystems_started;
132
133 /**
134 * Number of peers started.
135 *
136 */
137 unsigned int number_of_peers_started;
138
139 /**
140 * Number of local tests finished.
141 *
142 */
143 unsigned int number_of_local_test_finished;
144
145 /**
146 * Name of the test case plugin the helper will load.
147 *
148 */
149 char *plugin_name;
150
151 /**
152 * HEAD of the DLL containing TestingSystemCount.
153 *
154 */
155 struct TestingSystemCount *tbcs_head;
156
157 /**
158 * TAIL of the DLL containing TestingSystemCount.
159 *
160 */
161 struct TestingSystemCount *tbcs_tail;
162};
163
164/**
165 * Struct containing the number of the test environment and the NetJailState which
166 * will be handed to callbacks specific to a test environment.
167 */
168struct TestingSystemCount
169{
170 /**
171 * Kept in a DLL.
172 */
173 struct TestingSystemCount *next;
174
175 /**
176 * Kept in a DLL.
177 */
178 struct TestingSystemCount *prev;
179
180 /**
181 * The number of the test environment.
182 *
183 */
184 unsigned int count;
185
186 /**
187 * Struct to store information handed over to callbacks.
188 *
189 */
190 struct NetJailState *ns;
191};
192
193/**
194* Code to clean up resource this cmd used.
195*
196* @param cls closure
197* @param cmd current CMD being cleaned up.
198*/
199static void
200netjail_exec_cleanup (void *cls,
201 const struct GNUNET_TESTING_Command *cmd)
202{
203 struct NetJailState *ns = cls;
204 struct HelperMessage *message_pos;
205 struct TestingSystemCount *tbc_pos;
206
207 while (NULL != (message_pos = ns->hp_messages_head))
208 {
209 GNUNET_CONTAINER_DLL_remove (ns->hp_messages_head,
210 ns->hp_messages_tail,
211 message_pos);
212 GNUNET_free (message_pos);
213 }
214 while (NULL != (tbc_pos = ns->tbcs_head))
215 {
216 GNUNET_CONTAINER_DLL_remove (ns->tbcs_head,
217 ns->tbcs_tail,
218 tbc_pos);
219 GNUNET_free (tbc_pos);
220 }
221 GNUNET_free (ns);
222}
223
224
225/**
226 * This function prepares an array with traits.
227 *
228 */
229static int
230netjail_exec_traits (void *cls,
231 const void **ret,
232 const char *trait,
233 unsigned int index)
234{
235 struct NetJailState *ns = cls;
236 struct GNUNET_HELPER_Handle **helper = ns->helper;
237 struct HelperMessage *hp_messages_head = ns->hp_messages_head;
238
239
240 struct GNUNET_TESTING_Trait traits[] = {
241 {
242 .index = 0,
243 .trait_name = "helper_handles",
244 .ptr = (const void *) helper,
245 },
246 {
247 .index = 1,
248 .trait_name = "hp_msgs_head",
249 .ptr = (const void *) hp_messages_head,
250 },
251 GNUNET_TESTING_trait_end ()
252 };
253
254 return GNUNET_TESTING_get_trait (traits,
255 ret,
256 trait,
257 index);
258}
259
260
261/**
262 * Offer handles to testing cmd helper from trait
263 *
264 * @param cmd command to extract the message from.
265 * @param pt pointer to message.
266 * @return #GNUNET_OK on success.
267 */
268int
269GNUNET_TESTING_get_trait_helper_handles (const struct
270 GNUNET_TESTING_Command *cmd,
271 struct GNUNET_HELPER_Handle ***helper)
272{
273 return cmd->traits (cmd->cls,
274 (const void **) helper,
275 "helper_handles",
276 (unsigned int) 0);
277}
278
279
280/**
281 * Continuation function from GNUNET_HELPER_send()
282 *
283 * @param cls closure
284 * @param result GNUNET_OK on success,
285 * GNUNET_NO if helper process died
286 * GNUNET_SYSERR during GNUNET_HELPER_stop
287 */
288static void
289clear_msg (void *cls, int result)
290{
291 struct TestingSystemCount *tbc = cls;
292 struct NetJailState *ns = tbc->ns;
293
294 GNUNET_assert (NULL != ns->shandle[tbc->count - 1]);
295 ns->shandle[tbc->count - 1] = NULL;
296 GNUNET_free (ns->msg[tbc->count - 1]);
297 ns->msg[tbc->count - 1] = NULL;
298}
299
300
301/**
302 * Functions with this signature are called whenever a
303 * complete message is received by the tokenizer.
304 *
305 * Do not call GNUNET_SERVER_mst_destroy in callback
306 *
307 * @param cls closure
308 * @param client identification of the client
309 * @param message the actual message
310 *
311 * @return #GNUNET_OK on success, #GNUNET_SYSERR to stop further processing
312 */
313static int
314helper_mst (void *cls, const struct GNUNET_MessageHeader *message)
315{
316 struct TestingSystemCount *tbc = cls;
317 struct NetJailState *ns = tbc->ns;
318 struct HelperMessage *hp_msg;
319
320 if (GNUNET_MESSAGE_TYPE_CMDS_HELPER_REPLY == ntohs (message->type))
321 {
322 ns->number_of_testsystems_started++;
323 }
324 else if (GNUNET_MESSAGE_TYPE_CMDS_HELPER_PEER_STARTED == ntohs (
325 message->type))
326 {
327 ns->number_of_peers_started++;
328 }
329 else if (GNUNET_MESSAGE_TYPE_CMDS_HELPER_LOCAL_FINISHED == ntohs (
330 message->type))
331 {
332 ns->number_of_local_test_finished++;
333 }
334 else
335 {
336 hp_msg = GNUNET_new (struct HelperMessage);
337 hp_msg->bytes_msg = message->size;
338 memcpy (&hp_msg[1], message, message->size);
339 GNUNET_CONTAINER_DLL_insert (ns->hp_messages_head, ns->hp_messages_tail,
340 hp_msg);
341 }
342
343 return GNUNET_OK;
344}
345
346
347/**
348 * Callback called if there was an exception during execution of the helper.
349 *
350 */
351static void
352exp_cb (void *cls)
353{
354 struct NetJailState *ns = cls;
355 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called exp_cb.\n");
356 *ns->rv = 1;
357}
358
359
360/**
361 * Function to initialize a init message for the helper.
362 *
363 * @param m_char The actual node in a namespace. //TODO Change this to unsigned int
364 * @param n_char The actual namespace. //TODO Change this to unsigned int
365 * @param plugin_name Name of the test case plugin the helper will load.
366 *
367 */
368static struct GNUNET_CMDS_HelperInit *
369create_helper_init_msg_ (char *m_char,
370 char *n_char,
371 const char *plugin_name)
372{
373 struct GNUNET_CMDS_HelperInit *msg;
374 uint16_t plugin_name_len;
375 uint16_t msg_size;
376
377 GNUNET_assert (NULL != plugin_name);
378 plugin_name_len = strlen (plugin_name);
379 msg_size = sizeof(struct GNUNET_CMDS_HelperInit) + plugin_name_len;
380 msg = GNUNET_malloc (msg_size);
381 msg->header.size = htons (msg_size);
382 msg->header.type = htons (GNUNET_MESSAGE_TYPE_CMDS_HELPER_INIT);
383 msg->plugin_name_size = htons (plugin_name_len);
384 GNUNET_memcpy ((char *) &msg[1],
385 plugin_name,
386 plugin_name_len);
387 return msg;
388}
389
390
391/**
392 * Function which start a single helper process.
393 *
394 */
395static void
396start_helper (struct NetJailState *ns, struct
397 GNUNET_CONFIGURATION_Handle *config,
398 char *m_char,
399 char *n_char)
400{
401 struct GNUNET_HELPER_Handle *helper;
402 struct GNUNET_CMDS_HelperInit *msg;
403 struct TestingSystemCount *tbc;
404 char *const script_argv[] = {NETJAIL_EXEC_SCRIPT,
405 m_char,
406 n_char,
407 GNUNET_OS_get_libexec_binary_path (
408 HELPER_CMDS_BINARY),
409 ns->global_n,
410 ns->local_m,
411 NULL};
412 unsigned int m = atoi (m_char);
413 unsigned int n = atoi (n_char);
414 unsigned int helper_check = GNUNET_OS_check_helper_binary (
415 NETJAIL_EXEC_SCRIPT,
416 GNUNET_YES,
417 NULL);
418
419 tbc = GNUNET_new (struct TestingSystemCount);
420 tbc->ns = ns;
421 tbc->count = (n - 1) * atoi (ns->local_m) + m;
422
423 GNUNET_CONTAINER_DLL_insert (ns->tbcs_head, ns->tbcs_tail,
424 tbc);
425
426
427 if (GNUNET_NO == helper_check)
428 {
429 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
430 "No SUID for %s!\n",
431 NETJAIL_EXEC_SCRIPT);
432 *ns->rv = 1;
433 }
434 else if (GNUNET_NO == helper_check)
435 {
436 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
437 "%s not found!\n",
438 NETJAIL_EXEC_SCRIPT);
439 *ns->rv = 1;
440 }
441
442 GNUNET_array_append (ns->helper, ns->n_helper, GNUNET_HELPER_start (
443 GNUNET_YES,
444 NETJAIL_EXEC_SCRIPT,
445 script_argv,
446 &helper_mst,
447 &exp_cb,
448 tbc));
449
450 helper = ns->helper[tbc->count - 1];
451
452 msg = create_helper_init_msg_ (m_char,
453 n_char,
454 ns->plugin_name);
455 GNUNET_array_append (ns->msg, ns->n_msg, &msg->header);
456
457 GNUNET_array_append (ns->shandle, ns->n_shandle, GNUNET_HELPER_send (
458 helper,
459 &msg->header,
460 GNUNET_NO,
461 &clear_msg,
462 tbc));
463
464 if (NULL == ns->shandle[tbc->count - 1])
465 {
466 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
467 "Send handle is NULL!\n");
468 GNUNET_free (msg);
469 *ns->rv = 1;
470 }
471}
472
473
474/**
475* This function starts a helper process for each node.
476*
477* @param cls closure.
478* @param cmd CMD being run.
479* @param is interpreter state.
480*/
481static void
482netjail_exec_run (void *cls,
483 const struct GNUNET_TESTING_Command *cmd,
484 struct GNUNET_TESTING_Interpreter *is)
485{
486 char str_m[12];
487 char str_n[12];
488 struct NetJailState *ns = cls;
489 struct GNUNET_CONFIGURATION_Handle *config =
490 GNUNET_CONFIGURATION_create ();
491
492 for (int i = 1; i <= atoi (ns->global_n); i++)
493 {
494 for (int j = 1; j <= atoi (ns->local_m); j++)
495 {
496 sprintf (str_n, "%d", i);
497 sprintf (str_m, "%d", j);
498 start_helper (ns, config,
499 str_m,
500 str_n);
501 }
502 }
503}
504
505
506/**
507 * This function checks on three different information.
508 *
509 * 1. Did all helpers start. This is only logged.
510 * 2. Did all peer start.
511 * In this case a GNUNET_MESSAGE_TYPE_CMDS_HELPER_ALL_PEERS_STARTED is send to all peers.
512 * 3. Did all peers finished the test case. In this case interpreter_next will be called.
513 *
514 */
515static int
516netjail_start_finish (void *cls,
517 GNUNET_SCHEDULER_TaskCallback cont,
518 void *cont_cls)
519{
520 unsigned int ret = GNUNET_NO;
521 struct NetJailState *ns = cls;
522 unsigned int total_number = atoi (ns->local_m) * atoi (ns->global_n);
523 struct GNUNET_CMDS_ALL_PEERS_STARTED *reply;
524 size_t msg_length;
525 struct GNUNET_HELPER_Handle *helper;
526 struct TestingSystemCount *tbc;
527
528 if (ns->number_of_local_test_finished == total_number)
529 {
530 ret = GNUNET_YES;
531 cont (cont_cls);
532 }
533
534 if (ns->number_of_testsystems_started == total_number)
535 {
536 ns->number_of_testsystems_started = 0;
537 }
538
539 if (ns->number_of_peers_started == total_number)
540 {
541 for (int i = 1; i <= atoi (ns->global_n); i++)
542 {
543 for (int j = 1; j <= atoi (ns->local_m); j++)
544 {
545 tbc = GNUNET_new (struct TestingSystemCount);
546 tbc->ns = ns;
547 // TODO This needs to be more generic. As we send more messages back and forth, we can not grow the arrays again and again, because this is to error prone.
548 tbc->count = (i - 1) * atoi (ns->local_m) + j + total_number;
549
550 helper = ns->helper[tbc->count - 1 - total_number];
551 msg_length = sizeof(struct GNUNET_CMDS_ALL_PEERS_STARTED);
552 reply = GNUNET_new (struct GNUNET_CMDS_ALL_PEERS_STARTED);
553 reply->header.type = htons (
554 GNUNET_MESSAGE_TYPE_CMDS_HELPER_ALL_PEERS_STARTED);
555 reply->header.size = htons ((uint16_t) msg_length);
556
557 GNUNET_array_append (ns->msg, ns->n_msg, &reply->header);
558
559 struct GNUNET_HELPER_SendHandle *sh = GNUNET_HELPER_send (
560 helper,
561 &reply->header,
562 GNUNET_NO,
563 &clear_msg,
564 tbc);
565
566 GNUNET_array_append (ns->shandle, ns->n_shandle, sh);
567 }
568 }
569 ns->number_of_peers_started = 0;
570 }
571 return ret;
572}
573
574
575/**
576 * Create command.
577 *
578 * @param label Name for the command.
579 * @param local_m Number of nodes in a network namespace. //TODO make this a unsigned int
580 * @param global_n Number of network namespaces. //TODO make this a unsigned int
581 * @param plugin_name Name of the test case plugin the helper will load.
582 * @param rv Pointer to the return value of the test.
583 * @return command.
584 */
585struct GNUNET_TESTING_Command
586GNUNET_TESTING_cmd_netjail_start_testing_system (const char *label,
587 char *local_m,
588 char *global_n,
589 char *plugin_name,
590 unsigned int *rv)
591{
592 struct NetJailState *ns;
593
594 ns = GNUNET_new (struct NetJailState);
595 ns->local_m = local_m;
596 ns->global_n = global_n;
597 ns->plugin_name = plugin_name;
598 ns->rv = rv;
599
600 struct GNUNET_TESTING_Command cmd = {
601 .cls = ns,
602 .label = label,
603 .run = &netjail_exec_run,
604 .finish = &netjail_start_finish,
605 .cleanup = &netjail_exec_cleanup,
606 .traits = &netjail_exec_traits
607 };
608
609 return cmd;
610}