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diff --git a/src/testbed/gnunet-testbed-profiler.c b/src/testbed/gnunet-testbed-profiler.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2008--2013 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 testbed/gnunet-testbed-profiler.c
23 * @brief Profiling driver for the testbed.
24 * @author Sree Harsha Totakura <sreeharsha@totakura.in>
25 */
26
27#include "platform.h"
28#include "gnunet_util_lib.h"
29#include "gnunet_testbed_service.h"
30#include "testbed_api_hosts.h"
31
32/**
33 * Generic loggins shorthand
34 */
35#define LOG(kind, ...) \
36 GNUNET_log (kind, __VA_ARGS__)
37
38
39/**
40 * Handle to global configuration
41 */
42struct GNUNET_CONFIGURATION_Handle *cfg;
43
44/**
45 * Peer linking - topology operation
46 */
47struct GNUNET_TESTBED_Operation *topology_op;
48
49/**
50 * Name of the file with the hosts to run the test over (configuration option).
51 * It will be NULL if ENABLE_LL is set
52 */
53static char *hosts_file;
54
55/**
56 * Abort task identifier
57 */
58static struct GNUNET_SCHEDULER_Task *abort_task;
59
60/**
61 * Global event mask for all testbed events
62 */
63uint64_t event_mask;
64
65/**
66 * Number of peers to be started by the profiler
67 */
68static unsigned int num_peers;
69
70/**
71 * Number of timeout failures to tolerate
72 */
73static unsigned int num_cont_fails;
74
75/**
76 * Continuous failures during overlay connect operations
77 */
78static unsigned int cont_fails;
79
80/**
81 * Links which are successfully established
82 */
83static unsigned int established_links;
84
85/**
86 * Links which are not successfully established
87 */
88static unsigned int failed_links;
89
90/**
91 * Global testing status
92 */
93static int result;
94
95/**
96 * Are we running non interactively
97 */
98static int noninteractive;
99
100
101/**
102 * Shutdown nicely
103 *
104 * @param cls NULL
105 */
106static void
107do_shutdown (void *cls)
108{
109 if (NULL != abort_task)
110 {
111 GNUNET_SCHEDULER_cancel (abort_task);
112 abort_task = NULL;
113 }
114 if (NULL != cfg)
115 {
116 GNUNET_CONFIGURATION_destroy (cfg);
117 cfg = NULL;
118 }
119}
120
121
122/**
123 * abort task to run on test timed out
124 *
125 * @param cls NULL
126 */
127static void
128do_abort (void *cls)
129{
130 abort_task = NULL;
131 LOG (GNUNET_ERROR_TYPE_WARNING,
132 "Aborting\n");
133 result = GNUNET_SYSERR;
134 GNUNET_SCHEDULER_shutdown ();
135}
136
137
138/**
139 * Function to print summary about how many overlay links we have made and how
140 * many failed
141 */
142static void
143print_overlay_links_summary ()
144{
145 static int printed_already;
146
147 if (GNUNET_YES == printed_already)
148 return;
149 printed_already = GNUNET_YES;
150 printf ("%u links succeeded\n", established_links);
151 printf ("%u links failed due to timeouts\n", failed_links);
152}
153
154
155/**
156 * Controller event callback
157 *
158 * @param cls NULL
159 * @param event the controller event
160 */
161static void
162controller_event_cb (void *cls,
163 const struct GNUNET_TESTBED_EventInformation *event)
164{
165 switch (event->type)
166 {
167 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
168 /* Control reaches here when a peer linking operation fails */
169 if (NULL != event->details.operation_finished.emsg)
170 {
171 printf ("F");
172 fflush (stdout);
173 failed_links++;
174 if (++cont_fails > num_cont_fails)
175 {
176 printf ("\nAborting due to very high failure rate\n");
177 print_overlay_links_summary ();
178 GNUNET_SCHEDULER_shutdown ();
179 return;
180 }
181 }
182 break;
183
184 case GNUNET_TESTBED_ET_CONNECT:
185 {
186 if (0 != cont_fails)
187 cont_fails--;
188 if (0 == established_links)
189 printf ("Establishing links. Please wait\n");
190 printf (".");
191 fflush (stdout);
192 established_links++;
193 }
194 break;
195
196 default:
197 GNUNET_break (0);
198 }
199}
200
201
202/**
203 * Signature of a main function for a testcase.
204 *
205 * @param cls closure
206 * @param h the run handle
207 * @param num_peers number of peers in 'peers'
208 * @param peers handle to peers run in the testbed
209 * @param links_succeeded the number of overlay link connection attempts that
210 * succeeded
211 * @param links_failed the number of overlay link
212 */
213static void
214test_run (void *cls,
215 struct GNUNET_TESTBED_RunHandle *h,
216 unsigned int num_peers, struct GNUNET_TESTBED_Peer **peers,
217 unsigned int links_succeeded,
218 unsigned int links_failed)
219{
220 result = GNUNET_OK;
221 fprintf (stdout, "\n");
222 print_overlay_links_summary ();
223 GNUNET_SCHEDULER_add_shutdown (&do_shutdown, NULL);
224 if (noninteractive)
225 {
226 GNUNET_SCHEDULER_cancel (abort_task);
227 abort_task = NULL;
228 return;
229 }
230#if (! ENABLE_SUPERMUC)
231 fprintf (stdout, "Testbed running, waiting for keystroke to shut down\n");
232 fflush (stdout);
233 (void) getc (stdin);
234#endif
235 fprintf (stdout, "Shutting down. Please wait\n");
236 fflush (stdout);
237 GNUNET_SCHEDULER_shutdown ();
238}
239
240
241/**
242 * Main function that will be run by the scheduler.
243 *
244 * @param cls closure
245 * @param args remaining command-line arguments
246 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
247 * @param config configuration
248 */
249static void
250run (void *cls, char *const *args, const char *cfgfile,
251 const struct GNUNET_CONFIGURATION_Handle *config)
252{
253 if (0 == num_peers)
254 {
255 LOG (GNUNET_ERROR_TYPE_ERROR, _ ("Exiting as the number of peers is %u\n"),
256 num_peers);
257 return;
258 }
259 cfg = GNUNET_CONFIGURATION_dup (config);
260 event_mask = 0;
261 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
262 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
263 GNUNET_TESTBED_run (hosts_file, cfg, num_peers, event_mask,
264 &controller_event_cb, NULL,
265 &test_run, NULL);
266 abort_task =
267 GNUNET_SCHEDULER_add_shutdown (&do_abort,
268 NULL);
269}
270
271
272/**
273 * Main function.
274 *
275 * @return 0 on success
276 */
277int
278main (int argc, char *const *argv)
279{
280 struct GNUNET_GETOPT_CommandLineOption options[] = {
281 GNUNET_GETOPT_option_uint ('p',
282 "num-peers",
283 "COUNT",
284 gettext_noop ("create COUNT number of peers"),
285 &num_peers),
286 GNUNET_GETOPT_option_uint ('e',
287 "num-errors",
288 "COUNT",
289 gettext_noop (
290 "tolerate COUNT number of continuous timeout failures"),
291 &num_cont_fails),
292 GNUNET_GETOPT_option_flag ('n',
293 "non-interactive",
294 gettext_noop (
295 "run profiler in non-interactive mode where upon "
296 "testbed setup the profiler does not wait for a "
297 "keystroke but continues to run until a termination "
298 "signal is received"),
299 &noninteractive),
300#if ! ENABLE_SUPERMUC
301 GNUNET_GETOPT_option_string ('H',
302 "hosts",
303 "FILENAME",
304 gettext_noop (
305 "name of the file with the login information for the testbed"),
306 &hosts_file),
307#endif
308 GNUNET_GETOPT_OPTION_END
309 };
310 const char *binaryHelp = "gnunet-testbed-profiler [OPTIONS]";
311 int ret;
312
313 unsetenv ("XDG_DATA_HOME");
314 unsetenv ("XDG_CONFIG_HOME");
315 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
316 return 2;
317 result = GNUNET_SYSERR;
318 ret =
319 GNUNET_PROGRAM_run (argc, argv, "gnunet-testbed-profiler", binaryHelp,
320 options, &run, NULL);
321 GNUNET_free_nz ((void *) argv);
322 if (GNUNET_OK != ret)
323 return ret;
324 if (GNUNET_OK != result)
325 return 1;
326 return 0;
327}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 19:57:28 +0000