/*
This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
+ 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 General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file template/gnunet-testing.c
+ * @file testing/gnunet-testing.c
* @brief tool to use testing functionality from cmd line
* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_program_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
+
+#define LOG(kind,...) \
+ GNUNET_log_from (kind, "gnunet-testing", __VA_ARGS__)
+
+
/**
* Final status code.
*/
static int ret;
-unsigned int create_cfg;
+/**
+ * Filename of the hostkey file we should write,
+ * null if we should not write a hostkey file.
+ */
+static char *create_hostkey;
+
+/**
+ * Non-zero if we should create config files.
+ */
+static int create_cfg;
+
+/**
+ * Number of config files to create.
+ */
+static unsigned int create_no;
+
+/**
+ * Filename of the config template to be written.
+ */
+static char *create_cfg_template;
+
+/**
+ * Service we are supposed to run.
+ */
+static char *run_service_name;
+
+/**
+ * File handle to STDIN, for reading restart/quit commands.
+ */
+static struct GNUNET_DISK_FileHandle *fh;
+
+/**
+ * Temporary filename, used with '-r' to write the configuration to.
+ */
+static char *tmpfilename;
+
+/**
+ * Task identifier of the task that waits for stdin.
+ */
+static struct GNUNET_SCHEDULER_Task *tid;
- int create_cfg_no;
+/**
+ * Peer started for '-r'.
+ */
+static struct GNUNET_TESTING_Peer *my_peer;
-static char * create_cfg_template;
static int
create_unique_cfgs (const char * template, const unsigned int no)
{
+ 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;
}
+
+static int
+create_hostkeys (const unsigned int no)
+{
+ 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;
+}
+
+
+/**
+ * Cleanup called by signal handlers and when stdin is closed.
+ * Removes the temporary file.
+ *
+ * @param cls unused
+ */
+static void
+cleanup (void *cls)
+{
+ 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;
+ }
+}
+
+
/**
- * Main function that will be run by the scheduler.
+ * Called whenever we can read stdin non-blocking
+ *
+ * @param cls unused
+ */
+static void
+stdin_cb (void *cls)
+{
+ 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);
+}
+
+
+/**
+ * Main function called by the testing library.
+ * Executed inside a running scheduler.
+ *
+ * @param cls unused
+ * @param cfg configuration of the peer that was started
+ * @param peer handle to the peer
+ */
+static void
+testing_main (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg,
+ struct GNUNET_TESTING_Peer *peer)
+{
+ 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);
+}
+
+
+
+/**
+ * Main function that will be running without scheduler.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfg configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run_no_scheduler (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- /* main code here */
- if ((create_cfg == GNUNET_YES) &&
- (create_cfg_no > 0) &&
- (create_cfg_template != NULL))
+ if (NULL != run_service_name)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating %u configuration files based on template `%s'\n", create_cfg_no, create_cfg_template);
- ret = create_unique_cfgs (create_cfg_template, create_cfg_no);
+ ret = GNUNET_TESTING_service_run ("gnunet_service_test", run_service_name,
+ cfgfile, &testing_main, NULL);
+ return;
}
- else
+
+ if (GNUNET_YES == create_cfg)
{
- ret = 1;
+ 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_non_null (create_cfg_template);
}
main (int argc, char *const *argv)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'C', "create", NULL, gettext_noop ("create unique configuration files"),
+ {'C', "cfg", NULL, gettext_noop ("create unique configuration files"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &create_cfg},
- {'n', "number", NULL, gettext_noop ("number of unique configuration files to create"),
- GNUNET_YES, &GNUNET_GETOPT_set_uint, &create_cfg_no},
- {'t', "template", NULL, gettext_noop ("configuration template"),
+ {'k', "key", "FILENAME", gettext_noop ("extract hostkey file from pre-computed hostkey list"),
+ GNUNET_YES, &GNUNET_GETOPT_set_string, &create_hostkey},
+ {'n', "number", "NUMBER", gettext_noop ("number of unique configuration files to create, or number of the hostkey to extract"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &create_no},
+ {'t', "template", "FILENAME", gettext_noop ("configuration template"),
GNUNET_YES, &GNUNET_GETOPT_set_string, &create_cfg_template},
+ {'r', "run", "SERVICE", gettext_noop ("run the given service, wait on stdin for 'r' (restart) or 'q' (quit)"),
+ GNUNET_YES, &GNUNET_GETOPT_set_string, &run_service_name},
GNUNET_GETOPT_OPTION_END
};
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-testing",
- gettext_noop ("Command line tool to access the testing library"), options, &run,
- NULL)) ? ret : 1;
+ 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 ((void*) argv);
+ return ret;
}
/* end of gnunet-testing.c */