gnunet-testing.c File Reference

tool to use testing functionality from cmd line More...

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

Include dependency graph for gnunet-testing.c:

Go to the source code of this file.

Macros
#define	LOG(kind, ...)   GNUNET_log_from (kind, "gnunet-testing", __VA_ARGS__)

Functions
static int	create_unique_cfgs (const char *template, const unsigned int no)
static int	create_hostkeys (const unsigned int no)
static void	cleanup (void *cls)
	Cleanup called by signal handlers and when stdin is closed. More...
static void	stdin_cb (void *cls)
	Called whenever we can read stdin non-blocking. More...
static void	testing_main (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_TESTING_Peer *peer)
	Main function called by the testing library. More...
static void	run_no_scheduler (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
	Main function that will be running without scheduler. More...
int	main (int argc, char *const *argv)
	The main function. More...

Variables
static int	ret
	Final status code. More...
static char *	create_hostkey
	Filename of the hostkey file we should write, null if we should not write a hostkey file. More...
static int	create_cfg
	Non-zero if we should create config files. More...
static unsigned int	create_no
	Number of config files to create. More...
static char *	create_cfg_template
	Filename of the config template to be written. More...
static char *	run_service_name
	Service we are supposed to run. More...
static struct GNUNET_DISK_FileHandle *	fh
	File handle to STDIN, for reading restart/quit commands. More...
static char *	tmpfilename
	Temporary filename, used with '-r' to write the configuration to. More...
static struct GNUNET_SCHEDULER_Task *	tid
	Task identifier of the task that waits for stdin. More...
static struct GNUNET_TESTING_Peer *	my_peer
	Peer started for '-r'. More...

Detailed Description

tool to use testing functionality from cmd line

Author

Christian Grothoff

Definition in file gnunet-testing.c.

Macro Definition Documentation

LOG

#define LOG	(		kind,
			...
	)		GNUNET_log_from (kind, "gnunet-testing", __VA_ARGS__)

Definition at line 31 of file gnunet-testing.c.

Function Documentation

create_unique_cfgs()

static int create_unique_cfgs ( const char *  template, const unsigned int  no  )

static

Definition at line 87 of file gnunet-testing.c.

{
  struct GNUNET_TESTING_System *system;
  int fail;
  unsigned int cur;
  char *cur_file;
  struct GNUNET_CONFIGURATION_Handle *cfg_new;
  struct GNUNET_CONFIGURATION_Handle *cfg_tmpl;
 
  if (GNUNET_NO == GNUNET_DISK_file_test (template))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Configuration template `%s': file not found\n",
                create_cfg_template);
    return 1;
  }
  cfg_tmpl = GNUNET_CONFIGURATION_create ();
 
  /* load template */
  if ((create_cfg_template != NULL) &&
      (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg_tmpl, create_cfg_template)))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Could not load template `%s'\n",
                create_cfg_template);
    GNUNET_CONFIGURATION_destroy (cfg_tmpl);
 
    return 1;
  }
  /* load defaults */
  if (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg_tmpl, NULL))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Could not load template `%s'\n",
                create_cfg_template);
    GNUNET_CONFIGURATION_destroy (cfg_tmpl);
    return 1;
  }
 
  fail = GNUNET_NO;
  system =
    GNUNET_TESTING_system_create ("testing", NULL /* controller */, NULL, NULL);
  for (cur = 0; cur < no; cur++)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Creating configuration no. %u \n",
                cur);
    if (create_cfg_template != NULL)
      GNUNET_asprintf (&cur_file, "%04u-%s", cur, create_cfg_template);
    else
      GNUNET_asprintf (&cur_file, "%04u%s", cur, ".conf");
 
    cfg_new = GNUNET_CONFIGURATION_dup (cfg_tmpl);
    if (GNUNET_OK != GNUNET_TESTING_configuration_create (system, cfg_new))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Could not create another configuration\n");
      GNUNET_CONFIGURATION_destroy (cfg_new);
      fail = GNUNET_YES;
      break;
    }
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Writing configuration no. %u to file `%s' \n",
                cur,
                cur_file);
    if (GNUNET_OK != GNUNET_CONFIGURATION_write (cfg_new, cur_file))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Failed to write configuration no. %u \n",
                  cur);
      fail = GNUNET_YES;
    }
    GNUNET_CONFIGURATION_destroy (cfg_new);
    GNUNET_free (cur_file);
    if (GNUNET_YES == fail)
      break;
  }
  GNUNET_CONFIGURATION_destroy (cfg_tmpl);
  GNUNET_TESTING_system_destroy (system, GNUNET_NO);
  if (GNUNET_YES == fail)
    return 1;
  return 0;
}

References create_cfg_template, GNUNET_asprintf(), GNUNET_CONFIGURATION_create(), GNUNET_CONFIGURATION_destroy(), GNUNET_CONFIGURATION_dup(), GNUNET_CONFIGURATION_load(), GNUNET_CONFIGURATION_write(), GNUNET_DISK_file_test(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_NO, GNUNET_OK, GNUNET_TESTING_configuration_create(), GNUNET_TESTING_system_create(), GNUNET_TESTING_system_destroy(), and GNUNET_YES.

Referenced by run_no_scheduler().

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create_hostkeys()

static int create_hostkeys ( const unsigned int  no )

static

Definition at line 173 of file gnunet-testing.c.

{
  struct GNUNET_TESTING_System *system;
  struct GNUNET_PeerIdentity id;
  struct GNUNET_DISK_FileHandle *fd;
  struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
 
  system = GNUNET_TESTING_system_create ("testing", NULL, NULL, NULL);
  pk = GNUNET_TESTING_hostkey_get (system, create_no, &id);
  if (NULL == pk)
  {
    fprintf (stderr,
             _ ("Could not extract hostkey %u (offset too large?)\n"),
             create_no);
    GNUNET_TESTING_system_destroy (system, GNUNET_YES);
    return 1;
  }
  (void) GNUNET_DISK_directory_create_for_file (create_hostkey);
  fd =
    GNUNET_DISK_file_open (create_hostkey,
                           GNUNET_DISK_OPEN_READWRITE | GNUNET_DISK_OPEN_CREATE,
                           GNUNET_DISK_PERM_USER_READ
                           | GNUNET_DISK_PERM_USER_WRITE);
  GNUNET_assert (fd != NULL);
  ret = GNUNET_DISK_file_write (fd,
                                pk,
                                sizeof(struct GNUNET_CRYPTO_EddsaPrivateKey));
  GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fd));
  GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
                   "transport-testing",
                   "Wrote hostkey to file: `%s'\n",
                   create_hostkey);
  GNUNET_free (pk);
  GNUNET_TESTING_system_destroy (system, GNUNET_YES);
  return 0;
}

References _, create_hostkey, create_no, GNUNET_DISK_FileHandle::fd, GNUNET_assert, GNUNET_DISK_directory_create_for_file(), GNUNET_DISK_file_close(), GNUNET_DISK_file_open(), GNUNET_DISK_file_write(), GNUNET_DISK_OPEN_CREATE, GNUNET_DISK_OPEN_READWRITE, GNUNET_DISK_PERM_USER_READ, GNUNET_DISK_PERM_USER_WRITE, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log_from, GNUNET_OK, GNUNET_TESTING_hostkey_get(), GNUNET_TESTING_system_create(), GNUNET_TESTING_system_destroy(), GNUNET_YES, id, pk, and ret.

Referenced by run_no_scheduler().

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cleanup()

static void cleanup ( void *  cls )

static

Cleanup called by signal handlers and when stdin is closed.

Removes the temporary file.

Parameters

cls

unused

Definition at line 218 of file gnunet-testing.c.

{
  if (NULL != tmpfilename)
  {
    if (0 != unlink (tmpfilename))
      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
                                "unlink",
                                tmpfilename);
  }
  if (NULL != tid)
  {
    GNUNET_SCHEDULER_cancel (tid);
    tid = NULL;
  }
  if (NULL != fh)
  {
    GNUNET_DISK_file_close (fh);
    fh = NULL;
  }
}

References fh, GNUNET_DISK_file_close(), GNUNET_ERROR_TYPE_WARNING, GNUNET_log_strerror_file, GNUNET_SCHEDULER_cancel(), tid, and tmpfilename.

Referenced by testing_main().

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stdin_cb()

static void stdin_cb ( void *  cls )

static

Called whenever we can read stdin non-blocking.

Parameters

cls

unused

Definition at line 246 of file gnunet-testing.c.

{
  int c;
 
  tid = NULL;
  c = getchar ();
  switch (c)
  {
  case EOF:
  case 'q':
    GNUNET_SCHEDULER_shutdown ();
    return;
 
  case 'r':
    if (GNUNET_OK != GNUNET_TESTING_peer_stop (my_peer))
      LOG (GNUNET_ERROR_TYPE_ERROR, "Failed to stop the peer\n");
    if (GNUNET_OK != GNUNET_TESTING_peer_start (my_peer))
      LOG (GNUNET_ERROR_TYPE_ERROR, "Failed to start the peer\n");
    printf ("restarted\n");
    fflush (stdout);
    break;
 
  case '\n':
  case '\r':
    /* ignore whitespace */
    break;
 
  default:
    fprintf (stderr,
             _ ("Unknown command, use 'q' to quit or 'r' to restart peer\n"));
    break;
  }
  tid = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                        fh,
                                        &stdin_cb,
                                        NULL);
}

References _, fh, GNUNET_ERROR_TYPE_ERROR, GNUNET_OK, GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_shutdown(), GNUNET_TESTING_peer_start(), GNUNET_TESTING_peer_stop(), GNUNET_TIME_UNIT_FOREVER_REL, LOG, my_peer, and tid.

Referenced by testing_main().

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testing_main()

static void testing_main ( void *  cls, const struct GNUNET_CONFIGURATION_Handle *  cfg, struct GNUNET_TESTING_Peer *  peer  )

static

Main function called by the testing library.

Executed inside a running scheduler.

Parameters

cls	unused
cfg	configuration of the peer that was started
peer	handle to the peer

Definition at line 294 of file gnunet-testing.c.

{
  my_peer = peer;
  if (NULL == (tmpfilename = GNUNET_DISK_mktemp ("gnunet-testing")))
  {
    GNUNET_break (0);
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
  if (GNUNET_SYSERR ==
      GNUNET_CONFIGURATION_write ((struct GNUNET_CONFIGURATION_Handle *) cfg,
                                  tmpfilename))
  {
    GNUNET_break (0);
    return;
  }
  printf ("ok\n%s\n", tmpfilename);
  fflush (stdout);
  GNUNET_SCHEDULER_add_shutdown (&cleanup, NULL);
  fh = GNUNET_DISK_get_handle_from_native (stdin);
  tid = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                        fh,
                                        &stdin_cb,
                                        NULL);
}

References cfg, cleanup(), fh, GNUNET_break, GNUNET_CONFIGURATION_write(), GNUNET_DISK_get_handle_from_native(), GNUNET_DISK_mktemp(), GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), GNUNET_SYSERR, GNUNET_TIME_UNIT_FOREVER_REL, my_peer, peer, stdin_cb(), tid, and tmpfilename.

Referenced by run_no_scheduler().

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run_no_scheduler()

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

static

Main function that will be running without 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 332 of file gnunet-testing.c.

{
  if (NULL != run_service_name)
  {
    ret = GNUNET_TESTING_service_run ("gnunet_service_test",
                                      run_service_name,
                                      cfgfile,
                                      &testing_main,
                                      NULL);
    return;
  }
 
  if (GNUNET_YES == create_cfg)
  {
    if (create_no > 0)
    {
      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                  "Creating %u configuration files based on template `%s'\n",
                  create_no,
                  create_cfg_template);
      ret = create_unique_cfgs (create_cfg_template, create_no);
    }
    else
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Missing arguments! \n");
      ret = 1;
    }
  }
  if (NULL != create_hostkey)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Extracting hostkey %u\n", create_no);
    ret = create_hostkeys (create_no);
  }
  GNUNET_free (create_cfg_template);
}

References create_cfg, create_cfg_template, create_hostkey, create_hostkeys(), create_no, create_unique_cfgs(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_TESTING_service_run(), GNUNET_YES, ret, run_service_name, and testing_main().

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 380 of file gnunet-testing.c.

{
  struct GNUNET_GETOPT_CommandLineOption options[] =
  { GNUNET_GETOPT_option_flag ('C',
                               "cfg",
                               gettext_noop (
                                 "create unique configuration files"),
                               &create_cfg),
    GNUNET_GETOPT_option_string (
      'k',
      "key",
      "FILENAME",
      gettext_noop ("extract hostkey file from pre-computed hostkey list"),
      &create_hostkey),
 
    GNUNET_GETOPT_option_uint (
      'n',
      "number",
      "NUMBER",
      gettext_noop (
        "number of unique configuration files to create, or number of the hostkey to extract"),
      &create_no),
 
 
    GNUNET_GETOPT_option_string ('t',
                                 "template",
                                 "FILENAME",
                                 gettext_noop ("configuration template"),
                                 &create_cfg_template),
 
    GNUNET_GETOPT_option_string (
      'r',
      "run",
      "SERVICE",
      gettext_noop (
        "run the given service, wait on stdin for 'r' (restart) or 'q' (quit)"),
      &run_service_name),
    GNUNET_GETOPT_OPTION_END };
 
  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
    return 2;
 
  /* Run without scheduler, because we may want to call
   * GNUNET_TESTING_service_run, which starts the scheduler on its own.
   * Furthermore, the other functionality currently does not require the scheduler, too,
   * but beware when extending gnunet-testing. */
  ret =
    (GNUNET_OK ==
     GNUNET_PROGRAM_run2 (argc,
                          argv,
                          "gnunet-testing",
                          gettext_noop (
                            "Command line tool to access the testing library"),
                          options,
                          &run_no_scheduler,
                          NULL,
                          GNUNET_YES))
    ? ret
    : 1;
  GNUNET_free_nz ((void *) argv);
  return ret;
}

References create_cfg, create_cfg_template, create_hostkey, create_no, gettext_noop, GNUNET_free_nz, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_string(), GNUNET_GETOPT_option_uint(), GNUNET_OK, GNUNET_PROGRAM_run2(), GNUNET_STRINGS_get_utf8_args(), GNUNET_YES, options, ret, run_no_scheduler(), and run_service_name.

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Variable Documentation

ret

int ret

static

Final status code.

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

Referenced by create_hostkeys(), main(), and run_no_scheduler().

create_hostkey

char* create_hostkey

static

Filename of the hostkey file we should write, null if we should not write a hostkey file.

Definition at line 43 of file gnunet-testing.c.

Referenced by create_hostkeys(), main(), and run_no_scheduler().

create_cfg

int create_cfg

static

Non-zero if we should create config files.

Definition at line 48 of file gnunet-testing.c.

Referenced by main(), and run_no_scheduler().

create_no

unsigned int create_no

static

Number of config files to create.

Definition at line 53 of file gnunet-testing.c.

Referenced by create_hostkeys(), main(), and run_no_scheduler().

create_cfg_template

char* create_cfg_template

static

Filename of the config template to be written.

Definition at line 58 of file gnunet-testing.c.

Referenced by create_unique_cfgs(), main(), and run_no_scheduler().

run_service_name

char* run_service_name

static

Service we are supposed to run.

Definition at line 63 of file gnunet-testing.c.

Referenced by main(), and run_no_scheduler().

fh

struct GNUNET_DISK_FileHandle* fh

static

File handle to STDIN, for reading restart/quit commands.

Definition at line 68 of file gnunet-testing.c.

Referenced by cleanup(), close_files_iter(), database_setup(), database_shutdown(), destroy_task(), fh_reader(), get_file_handle(), GNUNET_DISK_fn_read(), GNUNET_DISK_get_handle_from_int_fd(), GNUNET_FS_download_start_task_(), GNUNET_FS_handle_on_demand_block(), incrementBit(), load_etc_hosts(), lookup_dns_servers(), main(), process_result_with_request(), publish_fs_connect_complete_cb(), restore_valid_peers(), sign_worker(), stdin_cb(), store_and_free_entries(), store_peer_presistently_iterator(), store_valid_peers(), testing_main(), transmit_next(), try_match_block(), and write_benchmark_data().

tmpfilename

char* tmpfilename

static

Temporary filename, used with '-r' to write the configuration to.

Definition at line 73 of file gnunet-testing.c.

Referenced by cleanup(), and testing_main().

tid

struct GNUNET_SCHEDULER_Task* tid

static

Task identifier of the task that waits for stdin.

Definition at line 78 of file gnunet-testing.c.

Referenced by cleanup(), stdin_cb(), testing_main(), and write_benchmark_data().

my_peer

struct GNUNET_TESTING_Peer* my_peer

static

Peer started for '-r'.

Definition at line 83 of file gnunet-testing.c.

Referenced by stdin_cb(), and testing_main().