remove ATS information from callback from ATS address selection, as the argument...
[oweals/gnunet.git] / src / ats / test_ats_solver_alternative_after_delete_address.c
1 /*
2  This file is part of GNUnet.
3  (C) 2010-2013 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 3, 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 ats/test_ats_solver_add_address.c
22  * @brief solver test:  add 2 addresses, request address, delete, expect alternative
23  * @author Christian Grothoff
24  * @author Matthias Wachs
25  */
26 #include "platform.h"
27 #include "gnunet_util_lib.h"
28 #include "gnunet_testbed_service.h"
29 #include "gnunet_ats_service.h"
30 #include "test_ats_api_common.h"
31
32 /**
33  * Timeout task
34  */
35 static struct GNUNET_SCHEDULER_Task * die_task;
36
37 /**
38  * Statistics handle
39  */
40 static struct GNUNET_STATISTICS_Handle *stats;
41
42 /**
43  * Scheduling handle
44  */
45 static struct GNUNET_ATS_SchedulingHandle *sched_ats;
46
47 /**
48  * Return value
49  */
50 static int ret;
51
52 /**
53  * Test address
54  */
55 static struct Test_Address test_addr;
56
57 /**
58  * Alternative test address
59  */
60 static struct Test_Address alt_test_addr;
61
62 /**
63  * Test peer
64  */
65 static struct PeerContext p;
66
67 /**
68  * HELLO address
69  */
70 static struct GNUNET_HELLO_Address test_hello_address;
71
72 /**
73  * HELLO address
74  */
75 static struct GNUNET_HELLO_Address alt_test_hello_address;
76
77 /**
78  * Session
79  */
80 static void *test_session;
81
82 /**
83  * Test ats info
84  */
85 static struct GNUNET_ATS_Information test_ats_info[2];
86
87 /**
88  * Test ats count
89  */
90 static uint32_t test_ats_count;
91
92 /**
93  * Test state
94  */
95 static int addresses_added = GNUNET_NO;
96
97 static int first_address_suggested = GNUNET_NO;
98
99 static int first_address_deleted = GNUNET_NO;
100
101 static int second_address_deleted = GNUNET_NO;
102
103 static int second_address_suggested = GNUNET_YES;
104
105 static struct GNUNET_HELLO_Address *first_suggestion = NULL;
106
107 static struct GNUNET_HELLO_Address *second_suggestion = NULL;
108
109
110 static int
111 stat_cb(void *cls, const char *subsystem, const char *name, uint64_t value,
112         int is_persistent);
113
114 static void
115 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
116 {
117   if (die_task != NULL)
118   {
119     GNUNET_SCHEDULER_cancel (die_task);
120     die_task = NULL;
121   }
122
123   if (NULL != sched_ats)
124   {
125     GNUNET_ATS_scheduling_done (sched_ats);
126     sched_ats = NULL;
127   }
128
129   GNUNET_STATISTICS_watch_cancel (stats, "ats", "# addresses", &stat_cb, NULL);
130   if (NULL != stats)
131   {
132     GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
133     stats = NULL;
134   }
135
136   free_test_address (&test_addr);
137   GNUNET_free_non_null (first_suggestion);
138   GNUNET_free_non_null (second_suggestion);
139   ret = 0;
140 }
141
142
143 static void
144 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
145 {
146
147   die_task = NULL;
148   end ( NULL, NULL);
149   ret = GNUNET_SYSERR;
150 }
151
152 static void
153 end_badly_now ()
154 {
155   if (NULL != die_task)
156   {
157     GNUNET_SCHEDULER_cancel (die_task);
158     die_task = NULL;
159   }
160   GNUNET_SCHEDULER_add_now (&end_badly, NULL);
161 }
162
163 static void
164 address_suggest_cb (void *cls,
165                     const struct GNUNET_PeerIdentity *peer,
166                     const struct GNUNET_HELLO_Address *address,
167                     struct Session *session,
168                     struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
169                     struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
170 {
171   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received a sugggestion for peer `%s' : `%s'\n",
172     GNUNET_i2s (&address->peer), (char *) address->address);
173
174   if (GNUNET_NO == first_address_suggested)
175   {
176     if  (NULL == first_suggestion)
177     {
178       if ((NULL == address) || (NULL != session))
179       {
180         GNUNET_break (0);
181         end_badly_now ();
182         return;
183       }
184       if ((ntohl(bandwidth_in.value__) == 0) ||
185           (ntohl(bandwidth_out.value__) == 0))
186       {
187         GNUNET_break (0);
188         end_badly_now ();
189         return;
190       }
191
192       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received 1st sugggestion for peer `%s' : `%s'\n",
193         GNUNET_i2s (&address->peer), (char *) address->address);
194
195       first_suggestion = GNUNET_HELLO_address_copy (address);
196       first_address_suggested = GNUNET_YES;
197
198
199       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Deleting 1st address for peer `%s' : `%s'\n",
200         GNUNET_i2s (&address->peer), (char *) address->address);
201       GNUNET_ATS_address_destroyed (sched_ats, address, session);
202       first_address_deleted = GNUNET_YES;
203
204       return;
205     }
206   }
207   if (GNUNET_YES == first_address_deleted)
208   {
209     if (NULL == second_suggestion)
210     {
211       if ((NULL == address) || (NULL != session))
212       {
213         GNUNET_break (0);
214         end_badly_now ();
215         return;
216       }
217
218       if (0 != memcmp (address->address, first_suggestion->address,
219           (first_suggestion->address_length < address->address_length) ? first_suggestion->address_length : address->address_length))
220       {
221         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received 2nd sugggestion for peer `%s' : `%s'\n",
222           GNUNET_i2s (&address->peer), (char *) address->address);
223         second_suggestion = GNUNET_HELLO_address_copy (address);
224         second_address_suggested = GNUNET_YES;
225
226         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Deleting 2nd address for peer `%s' : `%s'\n",
227           GNUNET_i2s (&address->peer), (char *) address->address);
228         GNUNET_ATS_address_destroyed (sched_ats, address, session);
229         second_address_deleted = GNUNET_YES;
230         return;
231       }
232     }
233
234   }
235   if (GNUNET_YES == second_address_deleted)
236   {
237     /* Expecting disconnect */
238     if ((ntohl(bandwidth_in.value__) == 0) &&
239         (ntohl(bandwidth_out.value__) == 0))
240     {
241       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "ATS tells me to disconnect\n");
242       GNUNET_SCHEDULER_add_now (&end, NULL);
243       return;
244     }
245     else
246     {
247       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Expected disconnect but received address `%s' with bandwidth \n",
248           (char *) address->address);
249     }
250   }
251   return;
252 }
253
254
255 static int
256 stat_cb(void *cls, const char *subsystem,
257         const char *name, uint64_t value,
258         int is_persistent)
259 {
260   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "ATS statistics: `%s' `%s' %llu\n",
261       subsystem,name, value);
262   if ((GNUNET_NO == addresses_added) && (value == 2))
263   {
264     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "All addresses added, requesting....\n");
265     /* We have 2 addresses, so we can request */
266     addresses_added = GNUNET_YES;
267     GNUNET_ATS_suggest_address (sched_ats, &p.id);
268   }
269   return GNUNET_OK;
270 }
271
272
273 static void
274 run (void *cls, const struct GNUNET_CONFIGURATION_Handle *mycfg,
275     struct GNUNET_TESTING_Peer *peer)
276 {
277   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
278   stats = GNUNET_STATISTICS_create ("ats", mycfg);
279   GNUNET_STATISTICS_watch (stats, "ats", "# addresses", &stat_cb, NULL);
280
281
282   /* Connect to ATS scheduling */
283   sched_ats = GNUNET_ATS_scheduling_init (mycfg, &address_suggest_cb, NULL);
284   if (sched_ats == NULL)
285   {
286     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect to ATS scheduling!\n");
287     end_badly_now ();
288     return;
289   }
290
291   /* Set up peer */
292   memset (&p.id, '1', sizeof (p.id));
293   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created peer `%s'\n",
294               GNUNET_i2s_full(&p.id));
295
296   /* Prepare ATS Information */
297   test_ats_info[0].type = htonl (GNUNET_ATS_NETWORK_TYPE);
298   test_ats_info[0].value = htonl(GNUNET_ATS_NET_WAN);
299   test_ats_info[1].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
300   test_ats_info[1].value = htonl(1);
301   test_ats_count = 2;
302
303   /* Adding address without session */
304   test_session = NULL;
305   create_test_address (&test_addr, "test", test_session, "test", strlen ("test") + 1);
306   test_hello_address.peer = p.id;
307   test_hello_address.transport_name = test_addr.plugin;
308   test_hello_address.address = test_addr.addr;
309   test_hello_address.address_length = test_addr.addr_len;
310
311   /* Adding alternative address without session */
312   test_session = NULL;
313   create_test_address (&alt_test_addr, "test", test_session, "alt_test", strlen ("alt_test") + 1);
314   alt_test_hello_address.peer = p.id;
315   alt_test_hello_address.transport_name = alt_test_addr.plugin;
316   alt_test_hello_address.address = alt_test_addr.addr;
317   alt_test_hello_address.address_length = alt_test_addr.addr_len;
318
319
320   /* Adding address */
321   GNUNET_ATS_address_add (sched_ats, &test_hello_address, NULL, test_ats_info, test_ats_count);
322   /* Adding alternative address */
323   GNUNET_ATS_address_add (sched_ats, &alt_test_hello_address, NULL, test_ats_info, test_ats_count);
324 }
325
326
327 int
328 main (int argc, char *argv[])
329 {
330   char *sep;
331   char *src_filename = GNUNET_strdup (__FILE__);
332   char *test_filename = GNUNET_strdup (argv[0]);
333   char *config_file;
334   char *solver;
335
336   ret = 0;
337
338   if (NULL == (sep  = (strstr (src_filename,".c"))))
339   {
340     GNUNET_break (0);
341     return -1;
342   }
343   sep[0] = '\0';
344
345   if (NULL != (sep = strstr (test_filename, ".exe")))
346     sep[0] = '\0';
347
348   if (NULL == (solver = strstr (test_filename, src_filename)))
349   {
350     GNUNET_break (0);
351     return -1;
352   }
353   solver += strlen (src_filename) +1;
354
355   if (0 == strcmp(solver, "proportional"))
356   {
357     config_file = "test_ats_solver_proportional.conf";
358   }
359   else if (0 == strcmp(solver, "mlp"))
360   {
361     config_file = "test_ats_solver_mlp.conf";
362   }
363   else if ((0 == strcmp(solver, "ril")))
364   {
365     config_file = "test_ats_solver_ril.conf";
366   }
367   else
368   {
369     GNUNET_break (0);
370     GNUNET_free (src_filename);
371     GNUNET_free (test_filename);
372     return 1;
373   }
374
375   GNUNET_free (src_filename);
376   GNUNET_free (test_filename);
377
378   if (0 != GNUNET_TESTING_peer_run ("test-ats-solver",
379       config_file, &run, NULL ))
380     return GNUNET_SYSERR;
381
382   return ret;
383 }
384
385 /* end of file test_ats_solver_add_address.c */