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/*
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.
*/
/**
* @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;
}
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