gnunet-auction-create.c File Reference

tool to create a new auction More...

#include "platform.h"
#include <float.h>
#include "gnunet_util_lib.h"
#include <jansson.h>

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Go to the source code of this file.

Macros
#define	FIRST_PRICE   0
#define	OUTCOME_PRIVATE   0
#define	OUTCOME_PUBLIC   1

Functions
static void	run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
	keep running in foreground
int	main (int argc, char *const *argv)
	The main function.

Variables
static int	ret
static char *	fndesc
	Final status code.
static char *	fnprices
	filename of the item description
static struct GNUNET_TIME_Relative	dround
	filename of the price map
static struct GNUNET_TIME_Relative	dstart
	max round duration
static unsigned int	m = 0
	time until auction starts
static int	outcome = 0
	auction parameter m
static int	interactive
	outcome

Detailed Description

tool to create a new auction

Author

Markus Teich

Definition in file gnunet-auction-create.c.

Macro Definition Documentation

FIRST_PRICE

#define FIRST_PRICE   0

Definition at line 34 of file gnunet-auction-create.c.

OUTCOME_PRIVATE

#define OUTCOME_PRIVATE   0

Definition at line 35 of file gnunet-auction-create.c.

OUTCOME_PUBLIC

#define OUTCOME_PUBLIC   1

Definition at line 36 of file gnunet-auction-create.c.

Function Documentation

run()

static void run ( void *  cls, char *const *  args, const char *  cfgfile, const struct GNUNET_CONFIGURATION_Handle *  cfg  )

static

keep running in foreground

Main function that will be run by the scheduler.

Parameters

cls	closure
args	remaining command-line arguments
cfgfile	name of the configuration file used (for saving, can be NULL!)
cfg	configuration

Definition at line 57 of file gnunet-auction-create.c.

{
  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;
}

References dround, dstart, fndesc, fnprices, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_TIME_UNIT_ZERO, pmap, GNUNET_TIME_Relative::rel_value_us, and ret.

Referenced by main().

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main()

int main	(	int	argc,
		char *const *	argv
	)

The main function.

Parameters

argc	number of arguments from the command line
argv	command line arguments

Returns

0 ok, 1 on error

Definition at line 156 of file gnunet-auction-create.c.

{
  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
  };
 
  ret = (GNUNET_OK ==
         GNUNET_PROGRAM_run (GNUNET_OS_project_data_gnunet(),
                             argc, argv,
                             "gnunet-auction-create",
                             gettext_noop ("create a new auction and "
                                           "start listening for bidders"),
                             options,
                             &run,
                             NULL)) ? ret : 1;
  return ret;
}

References dround, dstart, fndesc, fnprices, gettext_noop, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_filename(), GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_relative_time(), GNUNET_GETOPT_option_uint(), GNUNET_OK, GNUNET_OS_project_data_gnunet(), GNUNET_PROGRAM_run(), interactive, m, options, outcome, ret, and run().

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Variable Documentation

ret

int ret

static

Definition at line 38 of file gnunet-auction-create.c.

Referenced by main(), and run().

fndesc

char* fndesc

static

Final status code.

Definition at line 39 of file gnunet-auction-create.c.

Referenced by main(), and run().

fnprices

char* fnprices

static

filename of the item description

Definition at line 40 of file gnunet-auction-create.c.

Referenced by main(), and run().

dround

struct GNUNET_TIME_Relative dround

static

filename of the price map

Definition at line 41 of file gnunet-auction-create.c.

Referenced by main(), and run().

dstart

struct GNUNET_TIME_Relative dstart

static

max round duration

Definition at line 42 of file gnunet-auction-create.c.

Referenced by main(), and run().

m

unsigned int m = 0

static

time until auction starts

Definition at line 43 of file gnunet-auction-create.c.

Referenced by main().

outcome

int outcome = 0

static

auction parameter m

Definition at line 44 of file gnunet-auction-create.c.

Referenced by main().

interactive

int interactive

static

outcome

Definition at line 45 of file gnunet-auction-create.c.

Referenced by main().