aboutsummaryrefslogtreecommitdiff
path: root/src/rps/rps-test_util.c
blob: 869170a8ae469207896b6c792e5e0beed58cb795 (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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
/*
     This file is part of GNUnet.
     Copyright (C)

     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 3, 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., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
*/

/**
 * @file rps/rps-test_util.c
 * @brief Some utils faciliating the view into the internals for the sampler
 *        needed for evaluation
 *
 * @author Julius Bünger
 */

#include "platform.h"
#include "gnunet_util_lib.h"

#include <inttypes.h>

#define LOG(kind, ...) GNUNET_log_from(kind,"rps-sampler",__VA_ARGS__)

#ifndef TO_FILE
#define TO_FILE
#endif /* TO_FILE */

#ifdef TO_FILE
void
to_file_ (const char *file_name, char *line)
{
  struct GNUNET_DISK_FileHandle *f;
  char output_buffer[512];
  size_t output_buffer_size = 512;
  char *output_buffer_p;
  //size_t size;
  int size;
  size_t size2;


  if (NULL == (f = GNUNET_DISK_file_open (file_name,
                                          GNUNET_DISK_OPEN_APPEND |
                                          GNUNET_DISK_OPEN_WRITE |
                                          GNUNET_DISK_OPEN_CREATE,
                                          GNUNET_DISK_PERM_USER_READ |
                                          GNUNET_DISK_PERM_USER_WRITE |
                                          GNUNET_DISK_PERM_GROUP_READ |
                                          GNUNET_DISK_PERM_OTHER_READ)))
  {
    LOG (GNUNET_ERROR_TYPE_WARNING,
         "Not able to open file %s\n",
         file_name);
    return;
  }
  output_buffer_size = strlen (line) + 18;
  if (512 < output_buffer_size)
  {
    output_buffer_p = GNUNET_malloc ((output_buffer_size) * sizeof (char));
  } else {
    output_buffer_p = &output_buffer[0];
  }
  size = GNUNET_snprintf (output_buffer_p,
                          output_buffer_size,
                          "%llu %s\n",
                          (GNUNET_TIME_absolute_get ().abs_value_us) / 1000000, // microsec -> sec
                          line);
  if (0 > size)
  {
    LOG (GNUNET_ERROR_TYPE_WARNING,
         "Failed to write string to buffer (size: %i)\n",
         size);
    return;
  }

  size2 = GNUNET_DISK_file_write (f, output_buffer_p, size);
  if (size != size2)
  {
    LOG (GNUNET_ERROR_TYPE_WARNING,
         "Unable to write to file! (Size: %u, size2: %u)\n",
         size,
         size2);

    if (GNUNET_YES != GNUNET_DISK_file_close (f))
      LOG (GNUNET_ERROR_TYPE_WARNING,
           "Unable to close file\n");

    return;
  }

  if (512 < output_buffer_size)
  {
    GNUNET_free (output_buffer_p);
  }

  if (GNUNET_YES != GNUNET_DISK_file_close (f))
    LOG (GNUNET_ERROR_TYPE_WARNING,
         "Unable to close file\n");
}

char *
auth_key_to_string (struct GNUNET_CRYPTO_AuthKey auth_key)
{
  int size;
  size_t name_buf_size;
  char *end;
  char *buf;
  char *name_buf;
  size_t keylen = (sizeof (struct GNUNET_CRYPTO_AuthKey)) * 8;

  name_buf_size = 512 * sizeof (char);
  name_buf = GNUNET_malloc (name_buf_size);

  if (keylen % 5 > 0)
    keylen += 5 - keylen % 5;
  keylen /= 5;
  buf = GNUNET_malloc (keylen + 1);

  end = GNUNET_STRINGS_data_to_string (&(auth_key.key),
      sizeof (struct GNUNET_CRYPTO_AuthKey),
      buf,
      keylen);

  if (NULL == end)
  {
    GNUNET_free (buf);
    GNUNET_break (0);
  }
  else
  {
    *end = '\0';
  }

  size = GNUNET_snprintf (name_buf, name_buf_size, "sampler_el-%s", buf);
  if (0 > size)
    LOG (GNUNET_ERROR_TYPE_WARNING, "Failed to create name_buf\n");

  GNUNET_free (buf);

  return name_buf;
}


struct GNUNET_CRYPTO_AuthKey
string_to_auth_key (const char *str)
{
  struct GNUNET_CRYPTO_AuthKey auth_key;

  if (GNUNET_OK !=
      GNUNET_STRINGS_string_to_data (str,
                                     strlen (str),
                                     &auth_key.key,
                                     sizeof (struct GNUNET_CRYPTO_AuthKey)))
  {
    LOG (GNUNET_ERROR_TYPE_WARNING, "Failed to convert string to data\n");
  }

  return auth_key;
}


char *
create_file (const char *name)
{
  int size;
  size_t name_buf_size;
  char *name_buf;
  char *prefix;
  char *file_name;

  prefix = "/tmp/rps/";
  name_buf_size = (strlen (prefix) + strlen (name) + 2) * sizeof (char);
  name_buf = GNUNET_malloc (name_buf_size);

  size = GNUNET_snprintf (name_buf, name_buf_size, "%s%s", prefix, name);
  if (0 > size)
    LOG (GNUNET_ERROR_TYPE_WARNING, "Failed to create name_buf\n");

  if (GNUNET_YES != GNUNET_DISK_directory_create (prefix))
  {
    LOG (GNUNET_ERROR_TYPE_WARNING,
         "Could not create directory %s.\n",
         prefix);
  }

  if (NULL == strstr (name, "sampler_el"))
  {/* only append random string to sampler */
    if (NULL == (file_name = GNUNET_DISK_mktemp (name_buf)))
          LOG (GNUNET_ERROR_TYPE_WARNING, "Could not create file\n");

  GNUNET_free (name_buf);
  return file_name;
  }

  return name_buf;
}

#endif /* TO_FILE */

/**
 * @brief Try to ensure that `/tmp/rps` exists.
 *
 * @return #GNUNET_YES on success
 *         #GNUNET_SYSERR on failure
 */
static int ensure_folder_exist (void)
{
  if (GNUNET_NO == GNUNET_DISK_directory_test ("/tmp/rps/", GNUNET_NO))
  {
    GNUNET_DISK_directory_create ("/tmp/rps");
  }
  if (GNUNET_YES != GNUNET_DISK_directory_test ("/tmp/rps/", GNUNET_NO))
  {
    return GNUNET_SYSERR;
  }
  return GNUNET_YES;
}

const char *
store_prefix_file_name (const struct GNUNET_PeerIdentity *peer,
    const char *prefix)
{
  unsigned int len_file_name;
  unsigned int out_size;
  char *file_name;
  const char *pid_long;

  if (GNUNET_SYSERR == ensure_folder_exist()) return NULL;
  pid_long = GNUNET_i2s_full (peer);
  len_file_name = (strlen (prefix) +
                   strlen (pid_long) +
                   11)
                     * sizeof (char);
  file_name = GNUNET_malloc (len_file_name);
  out_size = GNUNET_snprintf (file_name,
                              len_file_name,
                              "/tmp/rps/%s-%s",
                              prefix,
                              pid_long);
  if (len_file_name < out_size ||
      0 > out_size)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
               "Failed to write string to buffer (size: %i, out_size: %i)\n",
               len_file_name,
               out_size);
  }
  return file_name;
}

/* end of gnunet-service-rps.c */