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
|
/*
This file is part of GNUnet.
Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file auction/gnunet-auction-create.c
* @brief tool to create a new auction
* @author Markus Teich
*/
#include "platform.h"
#include <float.h>
#include "gnunet_util_lib.h"
#include "gnunet_json_lib.h"
/* #include "gnunet_auction_service.h" */
#define FIRST_PRICE 0
#define OUTCOME_PRIVATE 0
#define OUTCOME_PUBLIC 1
static int ret; /** Final status code. */
static char *fndesc; /** filename of the item description */
static char *fnprices; /** filename of the price map */
static struct GNUNET_TIME_Relative dround; /** max round duration */
static struct GNUNET_TIME_Relative dstart; /** time until auction starts */
static unsigned int m = FIRST_PRICE; /** auction parameter m */
static int outcome = OUTCOME_PRIVATE; /** outcome */
static int interactive; /** keep running in foreground */
/**
* Main function that will be run by the scheduler.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
unsigned int i;
double cur, prev = DBL_MAX;
json_t *pmap;
json_t *parray;
json_t *pnode;
json_error_t jerr;
/* cmdline parsing */
if (GNUNET_TIME_UNIT_ZERO.rel_value_us == dstart.rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"required argument --regtime missing or invalid (zero)\n");
goto fail;
}
if (GNUNET_TIME_UNIT_ZERO.rel_value_us == dround.rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"required argument --roundtime missing or invalid (zero)\n");
goto fail;
}
if (!fndesc)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"required argument --description missing\n");
goto fail;
}
if (!fnprices)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"required argument --pricemap missing\n");
goto fail;
}
/* parse and check pricemap validity */
if (!(pmap = json_load_file (fnprices, JSON_DECODE_INT_AS_REAL, &jerr)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"parsing pricemap json at %d:%d: %s\n",
jerr.line, jerr.column, jerr.text);
goto fail;
}
if (-1 == json_unpack_ex (pmap, &jerr, JSON_VALIDATE_ONLY,
"{s:s, s:[]}", "currency", "prices"))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"validating pricemap: %s\n", jerr.text);
goto fail;
}
if (!(parray = json_object_get (pmap, "prices")) || !json_is_array (parray))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"could not get `prices` array node from pricemap\n");
goto fail;
}
if (0 == json_array_size (parray))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "empty pricemap array\n");
goto fail;
}
json_array_foreach (parray, i, pnode)
{
if (-1 == json_unpack_ex (pnode, &jerr, 0, "F", &cur))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"validating pricearray index %d: %s\n", i, jerr.text);
goto fail;
}
if (prev <= cur)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"validating pricearray index %d: "
"prices must be strictly monotonically decreasing\n",
i);
goto fail;
}
prev = cur;
}
return;
fail:
ret = 1;
return;
}
/**
* The main function.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_filename ('d',
"description",
"FILE",
gettext_noop ("description of the item to be sold"),
&fndesc),
GNUNET_GETOPT_option_filename ('p',
"pricemap",
"FILE",
gettext_noop ("mapping of possible prices"),
&fnprices),
GNUNET_GETOPT_option_relative_time ('r',
"roundtime",
"DURATION",
gettext_noop ("max duration per round"),
&dround),
GNUNET_GETOPT_option_relative_time ('s',
"regtime",
"DURATION",
gettext_noop ("duration until auction starts"),
&dstart),
GNUNET_GETOPT_option_uint ('m',
"m",
"NUMBER",
gettext_noop ("number of items to sell\n"
"0 for first price auction\n"
">0 for vickrey/M+1st price auction"),
&m),
GNUNET_GETOPT_option_flag ('u',
"public",
gettext_noop ("public auction outcome"),
&outcome),
GNUNET_GETOPT_option_flag ('i',
"interactive",
gettext_noop ("keep running in foreground until auction completes"),
&interactive),
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
ret = (GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv,
"gnunet-auction-create",
gettext_noop ("create a new auction and "
"start listening for bidders"),
options,
&run,
NULL)) ? ret : 1;
GNUNET_free ((void*) argv);
return ret;
}
|