- test case for starting/stopping peer's services
[oweals/gnunet.git] / src / testbed / test_testbed_api_peers_manage_services.c
1 /*
2       This file is part of GNUnet
3       (C) 2008--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 /**
22  * @file testbed/test_testbed_api_peers_manage_services.c
23  * @brief testcase for testing GNUNET_TESTBED_peer_manage_service()
24  *          implementation
25  * @author Sree Harsha Totakura <sreeharsha@totakura.in> 
26  */
27
28 #include "platform.h"
29 #include "gnunet_common.h"
30 #include "gnunet_testbed_service.h"
31
32 /**
33  * Number of peers we want to start
34  */
35 #define NUM_PEERS 2
36
37 /**
38  * The array of peers; we get them from the testbed
39  */
40 static struct GNUNET_TESTBED_Peer **peers;
41
42 /**
43  * Operation handle
44  */
45 static struct GNUNET_TESTBED_Operation *op;
46
47 /**
48  * dummy pointer
49  */
50 static void *dummy_cls = (void *) 0xDEAD0001;
51
52 /**
53  * Abort task identifier
54  */
55 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
56
57 /**
58  * States in this test
59  */
60 enum {
61
62   /**
63    * Test has just been initialized
64    */
65   STATE_INIT,
66
67   /**
68    * Peers have been started
69    */
70   STATE_PEERS_STARTED,
71   
72   /**
73    * statistics service went down
74    */
75   STATE_SERVICE_DOWN,
76
77   /**
78    * statistics service went up
79    */
80   STATE_SERVICE_UP,
81
82   /**
83    * Testing completed successfully
84    */
85   STATE_OK
86 } state;
87
88 /**
89  * Fail testcase
90  */
91 #define FAIL_TEST(cond, ret) do {                               \
92     if (!(cond)) {                                              \
93       GNUNET_break(0);                                          \
94       if (GNUNET_SCHEDULER_NO_TASK != abort_task)               \
95         GNUNET_SCHEDULER_cancel (abort_task);                   \
96       abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);  \
97       ret;                                                      \
98     }                                                           \
99   } while (0)
100
101
102 /**
103  * Abort task
104  *
105  * @param cls NULL
106  * @param tc scheduler task context
107  */
108 static void
109 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
110 {
111   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test timed out -- Aborting\n");
112   abort_task = GNUNET_SCHEDULER_NO_TASK;
113   if (NULL != op)
114   {  
115     GNUNET_TESTBED_operation_done (op);
116     op = NULL;
117   }
118   GNUNET_SCHEDULER_shutdown();
119 }
120
121
122 /**
123  * Callback to be called when an operation is completed
124  *
125  * @param cls the callback closure from functions generating an operation
126  * @param op the operation that has been finished
127  * @param emsg error message in case the operation has failed; will be NULL if
128  *          operation has executed successfully.
129  */
130 static void
131 op_comp_cb (void *cls,
132             struct GNUNET_TESTBED_Operation *op,
133             const char *emsg)
134 {
135   FAIL_TEST (cls == dummy_cls, return);
136   FAIL_TEST (NULL == emsg, return);
137   GNUNET_TESTBED_operation_done (op);
138   op = NULL;
139   switch (state)
140   {
141   case STATE_PEERS_STARTED:
142     state = STATE_SERVICE_DOWN;
143     op = GNUNET_TESTBED_peer_manage_service (dummy_cls,
144                                              peers[1],
145                                              "statistics",
146                                              op_comp_cb,
147                                              dummy_cls,
148                                              1);
149     break;
150   case STATE_SERVICE_DOWN:
151     state = STATE_SERVICE_UP;
152     GNUNET_SCHEDULER_cancel (abort_task);
153     abort_task = GNUNET_SCHEDULER_NO_TASK;
154     state = STATE_OK;
155     GNUNET_SCHEDULER_shutdown ();
156     break;
157   default:
158     FAIL_TEST (0, return);
159   }
160 }
161
162
163 /**
164  * Signature of a main function for a testcase.
165  *
166  * @param cls closure
167  * @param num_peers number of peers in 'peers'
168  * @param peers_ handle to peers run in the testbed
169  * @param links_succeeded the number of overlay link connection attempts that
170  *          succeeded
171  * @param links_failed the number of overlay link connection attempts that
172  *          failed
173  */
174 static void
175 test_master (void *cls, unsigned int num_peers,
176              struct GNUNET_TESTBED_Peer **peers_,
177              unsigned int links_succeeded,
178              unsigned int links_failed)
179 {
180   FAIL_TEST (NUM_PEERS == num_peers, return);
181   state = STATE_PEERS_STARTED;
182   peers = peers_;
183   op = GNUNET_TESTBED_peer_manage_service (dummy_cls,
184                                            peers[1],
185                                            "statistics",
186                                            op_comp_cb,
187                                            dummy_cls,
188                                            0);
189   FAIL_TEST (NULL != op, return);
190   abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
191                                              (GNUNET_TIME_UNIT_MINUTES, 1),
192                                              &do_abort, NULL);
193 }
194
195
196 /**
197  * Main function
198  */
199 int
200 main (int argc, char **argv)
201 {
202   state = STATE_INIT;
203   (void) GNUNET_TESTBED_test_run ("test_testbed_api_statistics",
204                                   "test_testbed_api_statistics.conf",
205                                   NUM_PEERS,
206                                   1LL, NULL, NULL,
207                                   &test_master, NULL);
208   if (STATE_OK != state)
209     return 1;
210   return 0;
211 }