/*
This file is part of GNUnet.
- (C) 2012, 2013 Christian Grothoff
+ Copyright (C) 2012, 2013 Christian Grothoff
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
/**
* @file regex/gnunet-daemon-regexprofiler.c
- * @brief daemon that uses mesh to announce a regular expression. Used in
+ * @brief daemon that uses cadet to announce a regular expression. Used in
* conjunction with gnunet-regex-profiler to announce regexes on serveral peers
- * without the need to explicitly connect to the mesh service running on the
+ * without the need to explicitly connect to the cadet service running on the
* peer from within the profiler.
* @author Maximilian Szengel
* @author Bartlomiej Polot
*/
#include "platform.h"
#include "gnunet_util_lib.h"
-#include "gnunet_regex_lib.h"
+#include "regex_internal_lib.h"
+#include "regex_test_lib.h"
#include "gnunet_dht_service.h"
#include "gnunet_statistics_service.h"
/**
* Peer's regex announce handle.
*/
-static struct GNUNET_REGEX_announce_handle *announce_handle;
+static struct REGEX_INTERNAL_Announcement *announce_handle;
/**
* Periodically reannounce regex.
*/
-static GNUNET_SCHEDULER_TaskIdentifier reannounce_task;
+static struct GNUNET_SCHEDULER_Task * reannounce_task;
/**
- * How often reannounce regex.
+ * What's the maximum reannounce period.
*/
-static struct GNUNET_TIME_Relative reannounce_freq;
+static struct GNUNET_TIME_Relative reannounce_period_max;
/**
* Maximal path compression length for regex announcing.
*/
static char *rx_with_pfx;
+/**
+ * How many put rounds should we do.
+ */
+static unsigned int rounds = 3;
+
+/**
+ * Private key for this peer.
+ */
+static struct GNUNET_CRYPTO_EddsaPrivateKey *my_private_key;
+
+
/**
* Task run during shutdown.
if (NULL != announce_handle)
{
- GNUNET_REGEX_announce_cancel (announce_handle);
+ REGEX_INTERNAL_announce_cancel (announce_handle);
announce_handle = NULL;
}
GNUNET_DHT_disconnect (dht_handle);
dht_handle = NULL;
}
+ GNUNET_free (my_private_key);
+ my_private_key = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shut down\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Daemon for %s shutting down\n",
+ policy_filename);
}
/**
* Announce a previously announced regex re-using cached data.
- *
+ *
* @param cls Closure (regex to announce if needed).
* @param tc TaskContext.
*/
static void
reannounce_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_PeerIdentity id;
struct GNUNET_TIME_Relative random_delay;
char *regex = cls;
- reannounce_task = GNUNET_SCHEDULER_NO_TASK;
+ reannounce_task = NULL;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
{
GNUNET_free (regex);
return;
}
+ if (0 == rounds--)
+ {
+ global_ret = 0;
+ GNUNET_SCHEDULER_shutdown ();
+ GNUNET_free (regex);
+ return;
+ }
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s\n", regex);
GNUNET_STATISTICS_update (stats_handle, "# regexes announced", 1, GNUNET_NO);
if (NULL == announce_handle && NULL != regex)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"First time, creating regex: %s\n",
regex);
- memset (&id, 0, sizeof (struct GNUNET_PeerIdentity));
- announce_handle = GNUNET_REGEX_announce (dht_handle,
- &id,
- regex,
- (unsigned int) max_path_compression,
- stats_handle);
+ announce_handle = REGEX_INTERNAL_announce (dht_handle,
+ my_private_key,
+ regex,
+ (unsigned int) max_path_compression,
+ stats_handle);
}
- /* Will result in a double first announce */
- GNUNET_assert (NULL != announce_handle);
- GNUNET_REGEX_reannounce (announce_handle);
-
- random_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
- GNUNET_CRYPTO_random_u32 (
- GNUNET_CRYPTO_QUALITY_WEAK,
- 600));
- reannounce_task =
- GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_add (reannounce_freq, random_delay),
- &reannounce_regex,
- cls);
+ else
+ {
+ GNUNET_assert (NULL != announce_handle);
+ REGEX_INTERNAL_reannounce (announce_handle);
+ }
+
+ random_delay =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MICROSECONDS,
+ GNUNET_CRYPTO_random_u32 (
+ GNUNET_CRYPTO_QUALITY_WEAK,
+ reannounce_period_max.rel_value_us));
+ reannounce_task = GNUNET_SCHEDULER_add_delayed (random_delay,
+ &reannounce_regex, cls);
}
* Announce the given regular expression using regex and the path compression
* length read from config.
*
- * @param regex regular expression to announce on this peer's mesh.
+ * @param regex regular expression to announce on this peer's cadet.
*/
static void
announce_regex (const char * regex)
return;
}
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == reannounce_task);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Daemon for %s starting\n",
+ policy_filename);
+ GNUNET_assert (NULL == reannounce_task);
copy = GNUNET_strdup (regex);
reannounce_task = GNUNET_SCHEDULER_add_now (reannounce_regex, (void *) copy);
}
/**
- * Load regular expressions from filename into 'rxes' array. Array needs to be freed.
+ * Scan through the policy_dir looking for the n-th filename.
*
- * @param filename filename of the file containing the regexes, one per line.
- * @param rx string with the union of all regular expressions.
- *
- * @return number of regular expressions read from filename and in rxes array.
- * FIXME use load regex lib function
+ * @param cls Closure (target number n).
+ * @param filename complete filename (absolute path).
+ * @return GNUNET_OK to continue to iterate,
+ * GNUNET_NO to stop when found
*/
-static unsigned int
-load_regexes (const char *filename, char **rx)
+static int
+scan (void *cls, const char *filename)
{
- char *data;
- char *buf;
- uint64_t filesize;
- unsigned int offset;
- unsigned int rx_cnt;
+ long n = (long) cls;
+ static long c = 0;
- if (GNUNET_YES != GNUNET_DISK_file_test (policy_filename))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Could not find policy file %s\n", policy_filename);
- return 0;
- }
- if (GNUNET_OK != GNUNET_DISK_file_size (policy_filename, &filesize, GNUNET_YES, GNUNET_YES))
- filesize = 0;
- if (0 == filesize)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Policy file %s is empty.\n", policy_filename);
- return 0;
- }
- data = GNUNET_malloc (filesize);
- if (filesize != GNUNET_DISK_fn_read (policy_filename, data, filesize))
- {
- GNUNET_free (data);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not read policy file %s.\n",
- policy_filename);
- return 0;
- }
- buf = data;
- offset = 0;
- rx_cnt = 0;
- while (offset < (filesize - 1))
+ if (c == n)
{
- offset++;
- if ((data[offset] == '\n') && (buf != &data[offset]))
- {
- data[offset] = '|';
- buf = &data[offset + 1];
- rx_cnt++;
- }
- else if ((data[offset] == '\n') || (data[offset] == '\0'))
- buf = &data[offset + 1];
+ policy_filename = GNUNET_strdup (filename);
+ return GNUNET_NO;
}
- data[offset] = '\0';
- *rx = data;
-
- return rx_cnt;
+ c++;
+ return GNUNET_OK;
}
const struct GNUNET_CONFIGURATION_Handle *cfg_)
{
char *regex = NULL;
+ char **components;
+ char *policy_dir;
+ long long unsigned int peer_id;
cfg = cfg_;
+ my_private_key = GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg);
+ GNUNET_assert (NULL != my_private_key);
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER", "MAX_PATH_COMPRESSION",
+ GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER",
+ "MAX_PATH_COMPRESSION",
&max_path_compression))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
GNUNET_SCHEDULER_shutdown ();
return;
}
-
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "REGEXPROFILER",
- "POLICY_FILE", &policy_filename))
+ GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
+ "POLICY_DIR", &policy_dir))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("%s service is lacking key configuration settings (%s). Exiting.\n"),
- "regexprofiler", "policy_file");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "REGEXPROFILER", "POLICY_DIR");
global_ret = GNUNET_SYSERR;
GNUNET_SCHEDULER_shutdown ();
return;
}
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, "TESTBED",
+ "PEERID", &peer_id))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "TESTBED", "PEERID");
+ global_ret = GNUNET_SYSERR;
+ GNUNET_free (policy_dir);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
"REGEX_PREFIX", ®ex_prefix))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("%s service is lacking key configuration settings (%s). Exiting.\n"),
- "regexprofiler", "regex_prefix");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "REGEXPROFILER", "REGEX_PREFIX");
global_ret = GNUNET_SYSERR;
+ GNUNET_free (policy_dir);
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
- "REANNOUNCE_FREQ", &reannounce_freq))
+ "REANNOUNCE_PERIOD_MAX",
+ &reannounce_period_max))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "reannounce_freq not given. Using 10 minutes.\n");
- reannounce_freq =
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "reannounce_period_max not given. Using 10 minutes.\n");
+ reannounce_period_max =
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
-
}
stats_handle = GNUNET_STATISTICS_create ("regexprofiler", cfg);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Could not acquire dht handle. Exiting.\n");
global_ret = GNUNET_SYSERR;
+ GNUNET_free (policy_dir);
GNUNET_SCHEDULER_shutdown ();
return;
}
/* Read regexes from policy files */
- if (0 == load_regexes (policy_filename, ®ex))
+ GNUNET_assert (-1 != GNUNET_DISK_directory_scan (policy_dir, &scan,
+ (void *) (long) peer_id));
+ if (NULL == (components = REGEX_TEST_read_from_file (policy_filename)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Policy file %s contains no policies. Exiting.\n",
policy_filename);
global_ret = GNUNET_SYSERR;
+ GNUNET_free (policy_dir);
GNUNET_SCHEDULER_shutdown ();
return;
}
+ GNUNET_free (policy_dir);
+ regex = REGEX_TEST_combine (components);
+ REGEX_TEST_free_from_file (components);
/* Announcing regexes from policy_filename */
- GNUNET_asprintf (&rx_with_pfx, "%s(%s)", regex_prefix, regex);
+ GNUNET_asprintf (&rx_with_pfx, "%s(%s)(0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f)*", regex_prefix, regex);
announce_regex (rx_with_pfx);
GNUNET_free (regex);
GNUNET_free (rx_with_pfx);
return (GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "regexprofiler",
gettext_noop
- ("Daemon to announce regular expressions for the peer using mesh."),
+ ("Daemon to announce regular expressions for the peer using cadet."),
options, &run, NULL)) ? global_ret : 1;
}
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