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authorMartin Schanzenbach <schanzen@gnunet.org>2023-10-13 18:19:48 +0200
committerMartin Schanzenbach <schanzen@gnunet.org>2023-10-13 18:19:48 +0200
commit21c4b14e7e9a5f113b2c190b0223ca95074125b1 (patch)
treecb3105228f1ba52bea81c74caa642b26bc6c297e /src/testbed/generate-underlay-topology.c
parentf5c99c11e752667d6c07d16568ae16a782b48e4c (diff)
downloadgnunet-21c4b14e7e9a5f113b2c190b0223ca95074125b1.tar.gz
gnunet-21c4b14e7e9a5f113b2c190b0223ca95074125b1.zip
Delete more subsystems not required after tng
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diff --git a/src/testbed/generate-underlay-topology.c b/src/testbed/generate-underlay-topology.c
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2008--2014 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/generate-underlay-topology.c
23 * @brief Program to generate a database file containing given underlay topology
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_topology.h"
31#include "sqlite3.h"
32
33#define LOG(type, ...) GNUNET_log (type, __VA_ARGS__)
34
35
36#define LOG_ERROR(...) LOG (GNUNET_ERROR_TYPE_ERROR, __VA_ARGS__)
37
38/**
39 * Log an error message at log-level 'level' that indicates
40 * a failure of the command 'cmd' on file 'filename'
41 * with the message given by strerror(errno).
42 */
43#define LOG_SQLITE(db, msg, level, cmd) \
44 do \
45 { \
46 GNUNET_log_from (level, \
47 "sqlite", \
48 _ ("`%s' failed at %s:%d with error: %s\n"), \
49 cmd, \
50 __FILE__, \
51 __LINE__, \
52 sqlite3_errmsg (db)); \
53 if (msg != NULL) \
54 GNUNET_asprintf (msg, \
55 _ ("`%s' failed at %s:%u with error: %s"), \
56 cmd, \
57 __FILE__, \
58 __LINE__, \
59 sqlite3_errmsg (db)); \
60 } while (0)
61
62
63/**
64 * Handle to the sqlite3 database
65 */
66static struct sqlite3 *db;
67
68/**
69 * Prepared statement for inserting link values into db
70 */
71struct sqlite3_stmt *stmt_insert;
72
73/**
74 * The topology to generate
75 */
76enum GNUNET_TESTBED_TopologyOption topology;
77
78/**
79 * The number of peers to include in the topology
80 */
81static unsigned int num_peers;
82
83/**
84 * program result
85 */
86static int exit_result;
87
88
89/**
90 * Functions of this type are called to process underlay link
91 *
92 * @param cls closure
93 * @param A offset of first peer
94 * @param B offset of second peer
95 * @param bandwidth the bandwidth of the link in bytes per second
96 * @param latency the latency of link in milliseconds
97 * @param loss the percentage of messages dropped on the link
98 * @return GNUNET_OK to continue processing; GNUNET_SYSERR to abort
99 */
100static int
101link_processor (void *cls,
102 unsigned int A,
103 unsigned int B,
104 unsigned int bandwidth,
105 unsigned int latency,
106 unsigned int loss)
107{
108 if ((SQLITE_OK != sqlite3_bind_int (stmt_insert, 1, A)) ||
109 (SQLITE_OK != sqlite3_bind_int (stmt_insert, 2, B)) ||
110 (SQLITE_OK != sqlite3_bind_int (stmt_insert, 3, bandwidth)) ||
111 (SQLITE_OK != sqlite3_bind_int (stmt_insert, 4, latency)) ||
112 (SQLITE_OK != sqlite3_bind_int (stmt_insert, 5, loss)))
113 {
114 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_bind_int");
115 return GNUNET_SYSERR;
116 }
117 if (SQLITE_DONE != sqlite3_step (stmt_insert))
118 {
119 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_step");
120 return GNUNET_SYSERR;
121 }
122 fprintf (stdout, "%u -> %u\n", A, B);
123 GNUNET_break (SQLITE_OK == sqlite3_reset (stmt_insert));
124 // GNUNET_break (SQLITE_OK == sqlite3_clear_bindings (stmt_insert));
125 if ((SQLITE_OK != sqlite3_bind_int (stmt_insert, 1, B)) ||
126 (SQLITE_OK != sqlite3_bind_int (stmt_insert, 2, A)))
127 {
128 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_bind_int");
129 return GNUNET_SYSERR;
130 }
131 if (SQLITE_DONE != sqlite3_step (stmt_insert))
132 {
133 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_step");
134 return GNUNET_SYSERR;
135 }
136 fprintf (stdout, "%u -> %u\n", B, A);
137 GNUNET_break (SQLITE_OK == sqlite3_reset (stmt_insert));
138 return GNUNET_OK;
139}
140
141
142/**
143 * Open the database file, creating a new database if not existing and setup the
144 * whitelist table
145 *
146 * @param dbfile the database filename
147 * @return GNUNET_OK upon success; GNUNET_SYSERR upon failure (error message has
148 * to be printed)
149 */
150static int
151setup_db (const char *dbfile)
152{
153 const char *query_create = "CREATE TABLE whitelist ("
154 "id INTEGER,"
155 "oid INTEGER,"
156 "bandwidth INTEGER DEFAULT NULL,"
157 "latency INTEGER DEFAULT NULL,"
158 "loss INTEGER DEFAULT NULL,"
159 " UNIQUE ("
160 " id,"
161 " oid"
162 " ) ON CONFLICT IGNORE"
163 ");";
164 const char *query_insert = "INSERT INTO whitelist("
165 " id,"
166 " oid,"
167 " bandwidth,"
168 " latency,"
169 " loss"
170 ") VALUES ("
171 " ?1,"
172 " ?2,"
173 " ?3,"
174 " ?4,"
175 " ?5);";
176 int ret;
177
178 ret = GNUNET_SYSERR;
179 if (SQLITE_OK != sqlite3_open (dbfile, &db))
180 {
181 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_open");
182 goto err_ret;
183 }
184 if (0 != sqlite3_exec (db, query_create, NULL, NULL, NULL))
185 {
186 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
187 fprintf (stderr,
188 "Error: %d. Perhaps the database `%s' already exits.\n",
189 sqlite3_errcode (db),
190 dbfile);
191 goto err_ret;
192 }
193 GNUNET_break (0 ==
194 sqlite3_exec (db, "PRAGMA synchronous = 0;", NULL, NULL, NULL));
195 if (SQLITE_OK !=
196 sqlite3_prepare_v2 (db, query_insert, -1, &stmt_insert, NULL))
197 {
198 LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_prepare_v2");
199 goto err_ret;
200 }
201 ret = GNUNET_OK;
202
203err_ret:
204 return ret;
205}
206
207
208/**
209 * Main run function.
210 *
211 * @param cls NULL
212 * @param args arguments passed to GNUNET_PROGRAM_run
213 * @param cfgfile the path to configuration file
214 * @param cfg the configuration file handle
215 */
216static void
217run (void *cls,
218 char *const *args,
219 const char *cfgfile,
220 const struct GNUNET_CONFIGURATION_Handle *config)
221{
222 const char *dbfile;
223 const char *topology_string;
224 unsigned int arg_uint1;
225 unsigned int arg_uint2;
226 const char *arg_str1;
227 const char *value;
228 unsigned int argc;
229
230 argc = 0;
231 arg_uint1 = 0; /* make compilers happy */
232 arg_uint2 = 0; /* make compilers happy */
233 if (NULL == args)
234 {
235 LOG_ERROR (_ ("Need at least 2 arguments\n"));
236 return;
237 }
238 if (NULL == (dbfile = args[argc++]))
239 {
240 LOG_ERROR (_ ("Database filename missing\n"));
241 return;
242 }
243 if (GNUNET_OK != setup_db (dbfile))
244 return;
245 if (NULL == (topology_string = args[argc++]))
246 {
247 LOG_ERROR (_ ("Topology string missing\n"));
248 return;
249 }
250 if (GNUNET_YES != GNUNET_TESTBED_topology_get_ (&topology, topology_string))
251 {
252 LOG_ERROR (_ ("Invalid topology: %s\n"), topology_string);
253 return;
254 }
255 arg_str1 = NULL;
256 /* parse for first TOPOOPT. This can either be arg_uint1 or arg_str1 */
257 switch (topology)
258 {
259 case GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI:
260 case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD_RING:
261 case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD:
262 case GNUNET_TESTBED_TOPOLOGY_SCALE_FREE:
263 if (NULL == (value = args[argc++]))
264 {
265 LOG_ERROR (_ ("An argument is missing for given topology `%s'\n"),
266 topology_string);
267 return;
268 }
269 if (-1 == sscanf (value, "%u", &arg_uint1))
270 {
271 LOG_ERROR (_ ("Invalid argument `%s' given as topology argument\n"),
272 value);
273 return;
274 }
275 break;
276
277 case GNUNET_TESTBED_TOPOLOGY_FROM_FILE:
278 if (NULL == (arg_str1 = args[argc++]))
279 {
280 LOG_ERROR (_ ("Filename argument missing for topology `%s'\n"),
281 topology_string);
282 return;
283 }
284 break;
285
286 default:
287 break;
288 }
289 /* parse for second TOPOOPT. Only required for SCALE_FREE topology */
290 switch (topology)
291 {
292 case GNUNET_TESTBED_TOPOLOGY_SCALE_FREE:
293 if (NULL == (value = args[argc++]))
294 {
295 LOG_ERROR (_ ("Second argument for topology `%s' is missing\n"),
296 topology_string);
297 return;
298 }
299 if (-1 == sscanf (value, "%u", &arg_uint2))
300 {
301 LOG_ERROR (_ ("Invalid argument `%s'; expecting unsigned int\n"), value);
302 return;
303 }
304 break;
305
306 default:
307 break;
308 }
309 /* construct topologies */
310 switch (topology)
311 {
312 case GNUNET_TESTBED_TOPOLOGY_LINE:
313 case GNUNET_TESTBED_TOPOLOGY_RING:
314 case GNUNET_TESTBED_TOPOLOGY_STAR:
315 case GNUNET_TESTBED_TOPOLOGY_CLIQUE:
316 case GNUNET_TESTBED_TOPOLOGY_2D_TORUS:
317 GNUNET_TESTBED_underlay_construct_ (num_peers,
318 link_processor,
319 NULL,
320 topology);
321 break;
322
323 case GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI:
324 case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD_RING:
325 case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD:
326 GNUNET_TESTBED_underlay_construct_ (num_peers,
327 link_processor,
328 NULL,
329 topology,
330 arg_uint1);
331 break;
332
333 case GNUNET_TESTBED_TOPOLOGY_FROM_FILE:
334 GNUNET_TESTBED_underlay_construct_ (num_peers,
335 link_processor,
336 NULL,
337 topology,
338 arg_str1);
339 break;
340
341 case GNUNET_TESTBED_TOPOLOGY_SCALE_FREE:
342 GNUNET_TESTBED_underlay_construct_ (num_peers,
343 link_processor,
344 NULL,
345 topology,
346 arg_uint1,
347 arg_uint2);
348 break;
349
350 default:
351 GNUNET_assert (0);
352 }
353}
354
355
356/**
357 * Main
358 */
359int
360main (int argc, char *const argv[])
361{
362 struct GNUNET_GETOPT_CommandLineOption option[] = {
363 GNUNET_GETOPT_option_uint ('p',
364 "num-peers",
365 "COUNT",
366 gettext_noop ("create COUNT number of peers"),
367 &num_peers),
368 GNUNET_GETOPT_OPTION_END
369 };
370
371 int ret;
372
373 exit_result = GNUNET_SYSERR;
374 ret = GNUNET_PROGRAM_run (
375 argc,
376 argv,
377 "gnunet-underlay-topology",
378 _ (
379 "Generates SQLite3 database representing a given underlay topology.\n"
380 "Usage: gnunet-underlay-topology [OPTIONS] db-filename TOPO [TOPOOPTS]\n"
381 "The following options are available for TOPO followed by TOPOOPTS if applicable:\n"
382 "\t LINE\n"
383 "\t RING\n"
384 "\t RANDOM <num_rnd_links>\n"
385 "\t SMALL_WORLD <num_rnd_links>\n"
386 "\t SMALL_WORLD_RING <num_rnd_links>\n"
387 "\t CLIQUE\n"
388 "\t 2D_TORUS\n"
389 "\t SCALE_FREE <cap> <m>\n"
390 "\t FROM_FILE <filename>\n"
391 "TOPOOPTS:\n"
392 "\t num_rnd_links: The number of random links\n"
393 "\t cap: the maximum number of links a node can have\n"
394 "\t m: the number of links a node should have while joining the network\n"
395 "\t filename: the path of the file which contains topology information\n"
396 "NOTE: the format of the above file is described here: https://www.gnunet.org/content/topology-file-format\n"),
397 option,
398 &run,
399 NULL);
400 if (NULL != stmt_insert)
401 sqlite3_finalize (stmt_insert);
402 if (NULL != db)
403 GNUNET_break (SQLITE_OK == sqlite3_close (db));
404 if ((GNUNET_OK != ret) || (GNUNET_OK != exit_result))
405 return 1;
406 return 0;
407}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 18:24:43 +0000