gnunet-fs.c File Reference

special file-sharing functions More...

#include "platform.h"
#include "gnunet_fs_service.h"

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Functions
static enum GNUNET_GenericReturnValue	print_indexed (void *cls, const char *filename, const struct GNUNET_HashCode *file_id)
	Print indexed filenames to stdout. More...
static void	do_shutdown (void *cls)
	Function run on shutdown. More...
static void	run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
	Main function that will be run by the scheduler. More...
int	main (int argc, char *const *argv)
	The main function to access special file-sharing functions. More...

Variables
static int	ret
	Return value. More...
static struct GNUNET_FS_Handle *	fs
	Handle to FS service. More...
static struct GNUNET_FS_GetIndexedContext *	gic
	Handle for the index listing operation. More...
static int	list_indexed_files
	Option -i given? More...
static unsigned int	verbose
	Option -v given? More...

Detailed Description

special file-sharing functions

Author

Christian Grothoff

Definition in file gnunet-fs.c.

Function Documentation

print_indexed()

static enum GNUNET_GenericReturnValue print_indexed ( void *  cls, const char *  filename, const struct GNUNET_HashCode *  file_id  )

static

Print indexed filenames to stdout.

Parameters

cls	closure
filename	the name of the file
file_id	hash of the contents of the indexed file

Returns

GNUNET_OK to continue iteration

Definition at line 52 of file gnunet-fs.c.

{
  if (NULL == filename)
  {
    gic = NULL;
    GNUNET_SCHEDULER_shutdown ();
    return GNUNET_OK;
  }
  if (verbose)
    fprintf (stdout,
             "%s: %s\n",
             GNUNET_h2s (file_id),
             filename);
  else
    fprintf (stdout,
             "%s\n",
             filename);
  return GNUNET_OK;
}

References filename, gic, GNUNET_h2s(), GNUNET_OK, GNUNET_SCHEDULER_shutdown(), and verbose.

Referenced by run().

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do_shutdown()

static void do_shutdown ( void *  cls )

static

Function run on shutdown.

Parameters

cls

NULL

Definition at line 93 of file gnunet-fs.c.

{
  (void) cls;
  if (NULL != gic)
  {
    GNUNET_FS_get_indexed_files_cancel (gic);
    gic = NULL;
  }
  if (NULL != fs)
  {
    GNUNET_FS_stop (fs);
    fs = NULL;
  }
}

References fs, gic, GNUNET_FS_get_indexed_files_cancel(), and GNUNET_FS_stop().

Referenced by run().

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run()

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

static

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 118 of file gnunet-fs.c.

{
  if (! list_indexed_files)
    return;
  GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
                                 NULL);
  fs = GNUNET_FS_start (cfg,
                        "gnunet-fs",
                        NULL,
                        NULL,
                        GNUNET_FS_FLAGS_NONE,
                        GNUNET_FS_OPTIONS_END);
  if (NULL == fs)
  {
    ret = 1;
    return;
  }
  gic = GNUNET_FS_get_indexed_files (fs,
                                     &print_indexed,
                                     NULL);
  if (NULL == gic)
  {
    ret = 2;
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
}

References cfg, do_shutdown(), fs, gic, GNUNET_FS_FLAGS_NONE, GNUNET_FS_get_indexed_files(), GNUNET_FS_OPTIONS_END, GNUNET_FS_start(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), list_indexed_files, print_indexed(), and ret.

Referenced by main().

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main()

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

The main function to access special file-sharing functions.

Parameters

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

Returns

0 ok, 1 on error

Definition at line 158 of file gnunet-fs.c.

{
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_option_flag ('i',
                               "list-indexed",
                               gettext_noop (
                                 "print a list of all indexed files"),
                               &list_indexed_files),
 
    GNUNET_GETOPT_option_verbose (&verbose),
    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-fs [OPTIONS]",
                             gettext_noop ("Special file-sharing operations"),
                             options,
                             &run,
                             NULL))
        ? ret
        : 1;
  GNUNET_free_nz ((void *) argv);
  return ret;
}

References gettext_noop, GNUNET_free_nz, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_verbose(), GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_STRINGS_get_utf8_args(), list_indexed_files, options, ret, run(), and verbose.

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Variable Documentation

ret

int ret

static

Return value.

Definition at line 32 of file gnunet-fs.c.

Referenced by main(), and run().

fs

struct GNUNET_FS_Handle* fs

static

Handle to FS service.

Definition at line 37 of file gnunet-fs.c.

Referenced by do_shutdown(), fs_disconnect_adapter(), gen_topo_from_file(), GNUNET_TESTBED_hosts_load_from_file(), GNUNET_TESTING_get_topo_from_file(), hostkeys_load(), print_key(), publish_inspector(), and run().

gic

struct GNUNET_FS_GetIndexedContext* gic

static

Handle for the index listing operation.

Definition at line 42 of file gnunet-fs.c.

Referenced by do_shutdown(), GNUNET_FS_get_indexed_files(), GNUNET_FS_get_indexed_files_cancel(), handle_index_info(), handle_index_info_end(), mq_error_handler(), print_indexed(), and run().

list_indexed_files

int list_indexed_files

static

Option -i given?

Definition at line 47 of file gnunet-fs.c.

Referenced by main(), and run().

verbose

unsigned int verbose

static

Option -v given?

Definition at line 52 of file gnunet-fs.c.

Referenced by main(), and print_indexed().