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-rw-r--r--src/util/test_server.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/src/util/test_server.c b/src/util/test_server.c
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1/*
2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
4
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 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 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
19*/
20/**
21 * @file util/test_server.c
22 * @brief tests for server.c
23 */
24#include "platform.h"
25#include "gnunet_common.h"
26#include "gnunet_scheduler_lib.h"
27#include "gnunet_server_lib.h"
28#include "gnunet_time_lib.h"
29
30#define VERBOSE GNUNET_NO
31
32#define PORT 12435
33
34#define MY_TYPE 128
35#define MY_TYPE2 129
36
37static struct GNUNET_SERVER_Handle *server;
38
39static struct GNUNET_SCHEDULER_Handle *sched;
40
41static void
42recv_fin_cb (void *cls,
43 struct GNUNET_SERVER_Handle *server,
44 struct GNUNET_SERVER_Client *client,
45 const struct GNUNET_MessageHeader *message)
46{
47 int *ok = cls;
48 GNUNET_assert (2 == *ok);
49 GNUNET_SERVER_receive_done (client, GNUNET_OK);
50 *ok = 3;
51}
52
53struct SignalTimeoutContext
54{
55 GNUNET_NETWORK_Receiver cb;
56 void *cb_cls;
57};
58
59
60static void
61signal_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
62{
63 struct SignalTimeoutContext *stctx = cls;
64
65 stctx->cb (stctx->cb_cls, NULL, 0, NULL, 0, 0);
66 GNUNET_free (stctx);
67}
68
69
70static GNUNET_SCHEDULER_TaskIdentifier
71my_receive (void *cls,
72 size_t max,
73 struct GNUNET_TIME_Relative timeout,
74 GNUNET_NETWORK_Receiver receiver, void *receiver_cls)
75{
76 int *ok = cls;
77 struct GNUNET_MessageHeader msg;
78 struct SignalTimeoutContext *stctx;
79 GNUNET_SCHEDULER_TaskIdentifier ret;
80
81 ret = GNUNET_SCHEDULER_NO_PREREQUISITE_TASK;
82 switch (*ok)
83 {
84 case 1:
85 *ok = 2; /* report success */
86 msg.type = htons (MY_TYPE2);
87 msg.size = htons (sizeof (msg));
88 receiver (receiver_cls, &msg, sizeof (msg), NULL, 0, 0);
89 break;
90 case 3:
91 /* called after first receive instantly
92 produced a reply;
93 schedule receiver call with timeout
94 after timeout expires! */
95 *ok = 4;
96 stctx = GNUNET_malloc (sizeof (struct SignalTimeoutContext));
97 stctx->cb = receiver;
98 stctx->cb_cls = receiver_cls;
99 ret = GNUNET_SCHEDULER_add_delayed (sched,
100 GNUNET_NO,
101 GNUNET_SCHEDULER_PRIORITY_KEEP,
102 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
103 timeout, &signal_timeout, stctx);
104 break;
105 default:
106 GNUNET_assert (0);
107 }
108 return ret;
109}
110
111
112static void
113my_cancel (void *cls, GNUNET_SCHEDULER_TaskIdentifier ti)
114{
115 GNUNET_SCHEDULER_cancel (sched, ti);
116}
117
118static void *
119my_transmit_ready_cb (void *cls,
120 size_t size,
121 struct GNUNET_TIME_Relative timeout,
122 GNUNET_NETWORK_TransmitReadyNotify notify,
123 void *notify_cls)
124{
125 static int non_null_addr;
126 int *ok = cls;
127 char buf[size];
128 struct GNUNET_MessageHeader msg;
129
130 GNUNET_assert (4 == *ok);
131 GNUNET_assert (size == sizeof (struct GNUNET_MessageHeader));
132 notify (notify_cls, size, buf);
133 msg.type = htons (MY_TYPE);
134 msg.size = htons (sizeof (msg));
135 GNUNET_assert (0 == memcmp (&msg, buf, size));
136 *ok = 5; /* report success */
137 return &non_null_addr;
138}
139
140
141static void
142my_transmit_ready_cancel_cb (void *cls, void *ctx)
143{
144 GNUNET_assert (0);
145}
146
147
148static int
149my_check (void *cls)
150{
151 return GNUNET_YES;
152}
153
154
155static void my_destroy (void *cls);
156
157
158struct CopyContext
159{
160 struct GNUNET_SERVER_Client *client;
161 struct GNUNET_MessageHeader *cpy;
162};
163
164static size_t
165copy_msg (void *cls, size_t size, void *buf)
166{
167 struct CopyContext *ctx = cls;
168 struct GNUNET_MessageHeader *cpy = ctx->cpy;
169 GNUNET_assert (sizeof (struct GNUNET_MessageHeader) == ntohs (cpy->size));
170 GNUNET_assert (size >= ntohs (cpy->size));
171 memcpy (buf, cpy, ntohs (cpy->size));
172 GNUNET_free (cpy);
173 GNUNET_free (ctx);
174 return sizeof (struct GNUNET_MessageHeader);
175}
176
177
178static void
179recv_cb (void *cls,
180 struct GNUNET_SERVER_Handle *server,
181 struct GNUNET_SERVER_Client *argclient,
182 const struct GNUNET_MessageHeader *message)
183{
184 struct GNUNET_SERVER_Client *client;
185 struct CopyContext *cc;
186 struct GNUNET_MessageHeader *cpy;
187
188 GNUNET_assert (argclient == NULL);
189 GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
190 ntohs (message->size));
191 GNUNET_assert (MY_TYPE == ntohs (message->type));
192 client = GNUNET_SERVER_connect_callback (server,
193 cls,
194 &my_receive,
195 &my_cancel,
196 &my_transmit_ready_cb,
197 &my_transmit_ready_cancel_cb,
198 &my_check, &my_destroy);
199 cc = GNUNET_malloc (sizeof (struct CopyContext));
200 cc->client = client;
201 cpy = GNUNET_malloc (ntohs (message->size));
202 memcpy (cpy, message, ntohs (message->size));
203 cc->cpy = cpy;
204 GNUNET_assert (NULL !=
205 GNUNET_SERVER_notify_transmit_ready (client,
206 ntohs (message->size),
207 GNUNET_TIME_UNIT_SECONDS,
208 &copy_msg, cc));
209 GNUNET_SERVER_client_drop (client);
210}
211
212
213static struct GNUNET_SERVER_MessageHandler handlers[] = {
214 {&recv_cb, NULL, MY_TYPE, sizeof (struct GNUNET_MessageHeader)},
215 {&recv_fin_cb, NULL, MY_TYPE2, sizeof (struct GNUNET_MessageHeader)},
216 {NULL, NULL, 0, 0}
217};
218
219
220static void
221my_destroy (void *cls)
222{
223 int *ok = cls;
224 GNUNET_assert (5 == *ok);
225 *ok = 0; /* report success */
226 /* this will cause us to terminate */
227 GNUNET_SERVER_destroy (server);
228}
229
230
231static void
232task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
233{
234 struct sockaddr_in sa;
235 struct GNUNET_MessageHeader msg;
236
237 sched = tc->sched;
238 memset (&sa, 0, sizeof (sa));
239 sa.sin_family = AF_INET;
240 sa.sin_port = htons (PORT);
241 server = GNUNET_SERVER_create (tc->sched,
242 NULL,
243 NULL,
244 (const struct sockaddr *) &sa,
245 sizeof (sa),
246 1024,
247 GNUNET_TIME_relative_multiply
248 (GNUNET_TIME_UNIT_MILLISECONDS, 250),
249 GNUNET_NO);
250 GNUNET_assert (server != NULL);
251 handlers[0].callback_cls = cls;
252 handlers[1].callback_cls = cls;
253 GNUNET_SERVER_add_handlers (server, handlers);
254 msg.type = htons (MY_TYPE);
255 msg.size = htons (sizeof (msg));
256 GNUNET_SERVER_inject (server, NULL, &msg);
257 memset (&msg, 0, sizeof (msg));
258}
259
260
261/**
262 * Main method, starts scheduler with task1,
263 * checks that "ok" is correct at the end.
264 */
265static int
266check ()
267{
268 int ok;
269
270 ok = 1;
271 GNUNET_SCHEDULER_run (&task, &ok);
272 return ok;
273}
274
275
276int
277main (int argc, char *argv[])
278{
279 int ret = 0;
280
281 GNUNET_log_setup ("test_server", "WARNING", NULL);
282 ret += check ();
283
284 return ret;
285}
286
287/* end of test_server.c */