aboutsummaryrefslogtreecommitdiff
path: root/src/consensus/gnunet-consensus-start-peers.c
blob: 05ba05691fa266a80e70dc2cec5f7b3ba8e3bfb6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*
      This file is part of GNUnet
      (C) 2012 Christian Grothoff (and other contributing authors)

      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
      by the Free Software Foundation; either version 2, or (at your
      option) any later version.

      GNUnet is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      General Public License for more details.

      You should have received a copy of the GNU General Public License
      along with GNUnet; see the file COPYING.  If not, write to the
      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
      Boston, MA 02111-1307, USA.
 */

/**
 * @file consensus/gnunet-consensus-start-peers.c
 * @brief Starts peers with testebed on localhost,
 *        prints their configuration files and waits for ^C.
 * @author Florian Dold
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"


static char *config_template_file;
static unsigned int num_peers_requested = 2;
static struct GNUNET_TESTBED_Peer **peers;


/**
 * Callback to be called when the requested peer information is available
 *
 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
 * @param op the operation this callback corresponds to
 * @param pinfo the result; will be NULL if the operation has failed
 * @param emsg error message if the operation has failed; will be NULL if the
 *          operation is successfull
 */
static void
peer_info_cb (void *cb_cls,
              struct GNUNET_TESTBED_Operation
              *op,
              const struct
              GNUNET_TESTBED_PeerInformation
              *pinfo,
              const char *emsg)
{
  GNUNET_assert (NULL == emsg);
  if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
  {
    struct GNUNET_CRYPTO_HashAsciiEncoded enc;
    GNUNET_CRYPTO_hash_to_enc (&pinfo->result.id->hashPubKey, &enc);
    printf("peer %td identity:\n", ((struct GNUNET_TESTBED_Peer **) cb_cls) - &peers[0]);
    printf("%s\n", (char *)&enc);
  }
  else if (pinfo->pit == GNUNET_TESTBED_PIT_CONFIGURATION)
  {
    char *tmpfilename;
    if (NULL == (tmpfilename = GNUNET_DISK_mktemp ("gnunet-consensus")))
    {
      GNUNET_break (0);
      GNUNET_SCHEDULER_shutdown ();
      return;
    }
    if (GNUNET_SYSERR == 
        GNUNET_CONFIGURATION_write (pinfo->result.cfg,
                                    tmpfilename))
    {
      GNUNET_break (0);
      return;
    }
    printf("peer %td config file:\n", ((struct GNUNET_TESTBED_Peer **) cb_cls) - &peers[0]);
    printf("%s\n", tmpfilename);
  }
  else
  {
    GNUNET_assert (0);
  }
}



/**
 * Signature of the event handler function called by the
 * respective event controller.
 *
 * @param cls closure
 * @param event information about the event
 */
static void
controller_cb(void *cls,
              const struct GNUNET_TESTBED_EventInformation *event)
{
  GNUNET_assert (0);
}




/**
 * Signature of a main function for a testcase.
 *
 * @param cls closure
 * @param num_peers number of peers in 'peers'
 * @param started_peers handle to peers being run in the testbed.  NULL upon
 *          timeout (see GNUNET_TESTBED_test_run()).
 * @param links_succeeded the number of overlay link connection attempts that
 *          succeeded
 * @param links_failed the number of overlay link connection attempts that
 *          failed
 */
static void
test_master (void *cls,
             unsigned int num_peers,
             struct GNUNET_TESTBED_Peer **started_peers,
             unsigned int links_succeeded,
             unsigned int links_failed)
{
  int i;

  printf("started %d peers\n", num_peers);
  peers = started_peers;

  for (i = 0; i < num_peers; i++)
  {
    GNUNET_TESTBED_peer_get_information (peers[i],
                                         GNUNET_TESTBED_PIT_IDENTITY,
                                         peer_info_cb,
                                         &peers[i]);
    GNUNET_TESTBED_peer_get_information (peers[i],
                                         GNUNET_TESTBED_PIT_CONFIGURATION,
                                         peer_info_cb,
                                         &peers[i]);
  }
}


static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *config)
{
  if (NULL == config_template_file)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "no template file specified\n");
    return;
  }

  (void) GNUNET_TESTBED_test_run ("gnunet-consensus-start-peers",
                                  config_template_file,
                                  num_peers_requested,
                                  0,
                                  controller_cb,
                                  NULL,
                                  test_master,
                                  NULL);
}


int
main (int argc, char **argv)
{
  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
      { 't', "config-template", "TEMPLATE",
        gettext_noop ("start peers with the given template configuration"),
        GNUNET_YES, &GNUNET_GETOPT_set_string, &config_template_file },
      { 'n', "num-peers", "NUM",
        gettext_noop ("number of peers to start"),
        GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_peers_requested },
      GNUNET_GETOPT_OPTION_END
   };

  /* run without scheduler, as test_run already does this */
  GNUNET_PROGRAM_run2 (argc, argv, "gnunet-consensus-start-peers",
		      "help",
		      options, &run, NULL, GNUNET_YES);
  return 0;
}