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-rw-r--r--src/transport/test_transport_api_reliability.c321
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diff --git a/src/transport/test_transport_api_reliability.c b/src/transport/test_transport_api_reliability.c
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index 508fed4f5..000000000
--- a/src/transport/test_transport_api_reliability.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2009, 2010, 2016 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 * @file transport/test_transport_api_reliability.c
22 * @brief base test case for transport implementations
23 *
24 * This test case serves ensures that messages are reliably sent between peers
25 *
26 * This test sends TOTAL_MSGS with message type MTYPE from peer 1 to peer 2
27 * and ensures that all message were received.
28 */
29#include "platform.h"
30#include "gnunet_transport_service.h"
31#include "gauger.h"
32#include "transport-testing.h"
33
34/**
35 * Allow making the problem "bigger".
36 */
37#define FACTOR 1
38
39/**
40 * Total number of messages to send
41 *
42 * Note that this value must not significantly exceed
43 * 'MAX_PENDING' in 'gnunet-service-transport_clients.c', otherwise
44 * messages may be dropped even for a reliable transport.
45 */
46#define TOTAL_MSGS (1024 * 3 * FACTOR)
47
48/**
49 * Testcase timeout
50 */
51#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 450 \
52 * FACTOR)
53
54/**
55 * If we are in an "xhdr" test, the factor by which we divide
56 * #TOTAL_MSGS for a more sane test duration.
57 */
58static unsigned int xhdr = 1;
59
60static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;
61
62/**
63 * Total amount of bytes sent
64 */
65static unsigned long long total_bytes;
66
67/**
68 * Time of start
69 */
70static struct GNUNET_TIME_Absolute start_time;
71
72/**
73 * No. of last message received
74 */
75static unsigned int msg_recv;
76
77/**
78 * Bitmap storing which messages were received
79 */
80static char bitmap[TOTAL_MSGS / 8];
81
82
83/**
84 * Get the desired message size for message number @a iter.
85 */
86static size_t
87get_size (unsigned int iter)
88{
89 size_t ret;
90
91 ret = (iter * iter * iter);
92#ifndef __linux__
93 /* FreeBSD/OSX etc. Unix DGRAMs do not work
94 * with large messages */
95 if (0 == strcmp ("unix", ccc->test_plugin))
96 return sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage) + (ret % 1024);
97#endif
98 return sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage) + (ret % 60000);
99}
100
101
102/**
103 * Implementation of the callback for obtaining the
104 * size of messages for transmission. Counts the total
105 * number of bytes sent as a side-effect.
106 *
107 * @param cnt_down count down from `TOTAL_MSGS - 1`
108 * @return message size of the message
109 */
110static size_t
111get_size_cnt (unsigned int cnt_down)
112{
113 size_t ret = get_size (TOTAL_MSGS / xhdr - 1 - cnt_down);
114
115 total_bytes += ret;
116 return ret;
117}
118
119
120/**
121 * Sets a bit active in the bitmap.
122 *
123 * @param bitIdx which bit to set
124 * @return #GNUNET_SYSERR on error, #GNUNET_OK on success
125 */
126static int
127set_bit (unsigned int bitIdx)
128{
129 size_t arraySlot;
130 unsigned int targetBit;
131
132 if (bitIdx >= sizeof(bitmap) * 8)
133 {
134 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
135 "tried to set bit %u of %u(!?!?)\n",
136 bitIdx,
137 (unsigned int) sizeof(bitmap) * 8);
138 return GNUNET_SYSERR;
139 }
140 arraySlot = bitIdx / 8;
141 targetBit = (1L << (bitIdx % 8));
142 bitmap[arraySlot] |= targetBit;
143 return GNUNET_OK;
144}
145
146
147/**
148 * Obtain a bit from bitmap.
149 * @param map the bitmap
150 * @param bit index from bitmap
151 *
152 * @return Bit @a bit from @a map
153 */
154static int
155get_bit (const char *map,
156 unsigned int bit)
157{
158 if (bit > TOTAL_MSGS)
159 {
160 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
161 "get bit %u of %u(!?!?)\n",
162 bit,
163 (unsigned int) sizeof(bitmap) * 8);
164 return 0;
165 }
166 return ((map)[bit >> 3] & (1 << (bit & 7))) > 0;
167}
168
169
170static void
171custom_shutdown (void *cls)
172{
173 unsigned long long delta;
174 unsigned long long rate;
175 int ok;
176
177 /* Calculate statistics */
178 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
179 if (0 == delta)
180 delta = 1;
181 rate = (1000LL * 1000ll * total_bytes) / (1024 * delta);
182 fprintf (stderr,
183 "\nThroughput was %llu KiBytes/s\n",
184 rate);
185 {
186 char *value_name;
187
188 GNUNET_asprintf (&value_name,
189 "unreliable_%s",
190 ccc->test_plugin);
191 GAUGER ("TRANSPORT",
192 value_name,
193 (int) rate,
194 "kb/s");
195 GNUNET_free (value_name);
196 }
197
198 ok = 0;
199 for (unsigned int i = 0; i < TOTAL_MSGS / xhdr; i++)
200 {
201 if (get_bit (bitmap, i) == 0)
202 {
203 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
204 "Did not receive message %d\n",
205 i);
206 ok = -1;
207 }
208 }
209 if (0 != ok)
210 ccc->global_ret = GNUNET_SYSERR; /* fail: messages missing! */
211}
212
213
214static void
215notify_receive (void *cls,
216 struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
217 const struct GNUNET_PeerIdentity *sender,
218 const struct GNUNET_TRANSPORT_TESTING_TestMessage *hdr)
219{
220 static int n;
221 unsigned int s;
222 char cbuf[GNUNET_MAX_MESSAGE_SIZE - 1];
223
224 if (GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE != ntohs (hdr->header.type))
225 return;
226 msg_recv = ntohl (hdr->num);
227 s = get_size (ntohl (hdr->num));
228
229 if (ntohs (hdr->header.size) != s)
230 {
231 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
232 "Expected message %u of size %u, got %u bytes of message %u\n",
233 (uint32_t) ntohl (hdr->num),
234 s,
235 ntohs (hdr->header.size),
236 (uint32_t) ntohl (hdr->num));
237 ccc->global_ret = GNUNET_SYSERR;
238 GNUNET_SCHEDULER_shutdown ();
239 return;
240 }
241
242 memset (cbuf,
243 ntohl (hdr->num),
244 s - sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage));
245 if (0 !=
246 memcmp (cbuf,
247 &hdr[1],
248 s - sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage)))
249 {
250 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
251 "Expected message %u with bits %u, but body did not match\n",
252 (uint32_t) ntohl (hdr->num),
253 (unsigned char) ntohl (hdr->num));
254 ccc->global_ret = GNUNET_SYSERR;
255 GNUNET_SCHEDULER_shutdown ();
256 return;
257 }
258#if VERBOSE
259 if (0 == ntohl (hdr->num) % 5)
260 {
261 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
262 "Got message %u of size %u\n",
263 (uint32_t) ntohl (hdr->num),
264 ntohs (hdr->header.size));
265 }
266#endif
267 n++;
268 if (GNUNET_SYSERR == set_bit (ntohl (hdr->num)))
269 {
270 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
271 "Message id %u is bigger than maxmimum number of messages %u expected\n",
272 (uint32_t) ntohl (hdr->num),
273 TOTAL_MSGS / xhdr);
274 }
275 if (0 == (n % (TOTAL_MSGS / xhdr / 100)))
276 {
277 fprintf (stderr, "%s", ".");
278 }
279 if (n == TOTAL_MSGS / xhdr)
280 {
281 /* end testcase with success */
282 ccc->global_ret = GNUNET_OK;
283 GNUNET_SCHEDULER_shutdown ();
284 }
285}
286
287
288int
289main (int argc, char *argv[])
290{
291 if (0 == strstr (argv[0], "xhdr"))
292 xhdr = 30;
293 struct GNUNET_TRANSPORT_TESTING_SendClosure sc = {
294 .num_messages = TOTAL_MSGS / xhdr,
295 .get_size_cb = &get_size_cnt
296 };
297 struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
298 .connect_continuation = &GNUNET_TRANSPORT_TESTING_simple_send,
299 .connect_continuation_cls = &sc,
300 .config_file = "test_transport_api_data.conf",
301 .rec = &notify_receive,
302 .nc = &GNUNET_TRANSPORT_TESTING_log_connect,
303 .nd = &GNUNET_TRANSPORT_TESTING_log_disconnect,
304 .shutdown_task = &custom_shutdown,
305 .timeout = TIMEOUT,
306 .global_ret = GNUNET_SYSERR
307 };
308
309 ccc = &my_ccc;
310 sc.ccc = ccc;
311 start_time = GNUNET_TIME_absolute_get ();
312 if (GNUNET_OK !=
313 GNUNET_TRANSPORT_TESTING_main (2,
314 &GNUNET_TRANSPORT_TESTING_connect_check,
315 ccc))
316 return 1;
317 return 0;
318}
319
320
321/* end of test_transport_api_reliability.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 17:30:36 +0000