/**
* @file topology/gnunet-daemon-topology.c
- * @brief code for maintaining the mesh topology
+ * @brief code for maintaining the cadet topology
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
+#include "gnunet_friends_lib.h"
#include "gnunet_constants.h"
#include "gnunet_core_service.h"
#include "gnunet_protocols.h"
/**
* For how long do we blacklist anyone under any cirumstances at most after a failed connection
- * attempt? This is the absolute maximum, regardless of what the calculation based on
+ * attempt? This is the absolute maximum, regardless of what the calculation based on
* exponential back-off returns.
*/
#define GREYLIST_AFTER_ATTEMPT_MAX GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 1)
{
struct Peer *ret;
- ret = GNUNET_malloc (sizeof (struct Peer));
+ ret = GNUNET_new (struct Peer);
ret->pid = *peer;
ret->is_friend = is_friend;
if (hello != NULL)
{
/* now! */
pl->hello_req =
- GNUNET_CORE_notify_transmit_ready (handle, GNUNET_YES, 0,
+ GNUNET_CORE_notify_transmit_ready (handle, GNUNET_YES,
+ GNUNET_CORE_PRIO_BEST_EFFORT,
GNUNET_CONSTANTS_SERVICE_TIMEOUT,
&pl->pid, next_want,
&hello_advertising_ready, pl);
* @param my_id ID of this peer, NULL if we failed
*/
static void
-core_init (void *cls,
+core_init (void *cls,
const struct GNUNET_PeerIdentity *my_id)
{
if (NULL == my_id)
return;
}
my_identity = *my_id;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "I am peer `%s'\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "I am peer `%s'\n",
GNUNET_i2s (my_id));
- peerinfo_notify = GNUNET_PEERINFO_notify (cfg, GNUNET_NO,
+ peerinfo_notify = GNUNET_PEERINFO_notify (cfg, GNUNET_NO,
&process_peer, NULL);
}
/**
- * Read the friends file.
+ * Process friend found in FRIENDS file.
+ *
+ * @param cls pointer to an `unsigned int` to be incremented per friend found
+ * @param pid identity of the friend
*/
static void
-read_friends_file (const struct GNUNET_CONFIGURATION_Handle *cfg)
+handle_friend (void *cls,
+ const struct GNUNET_PeerIdentity *pid)
{
- char *fn;
- char *data;
- size_t pos;
- size_t start;
- struct GNUNET_PeerIdentity pid;
- uint64_t fsize;
- unsigned int entries_found;
+ unsigned int *entries_found = cls;
struct Peer *fl;
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "TOPOLOGY", "FRIENDS", &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "topology", "FRIENDS");
- return;
- }
- if ( (GNUNET_OK != GNUNET_DISK_file_test (fn)) &&
- (GNUNET_OK != GNUNET_DISK_fn_write (fn, NULL, 0,
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE)) )
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", fn);
- if (GNUNET_OK != GNUNET_DISK_file_size (fn,
- &fsize, GNUNET_NO, GNUNET_YES))
- {
- if ((friends_only) || (minimum_friend_count > 0))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Could not read friends list `%s'\n"), fn);
- GNUNET_free (fn);
- return;
- }
- if (0 == fsize)
+ if (0 == memcmp (pid, &my_identity, sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Friends file `%s' is empty.\n"),
- fn);
- GNUNET_free (fn);
- return;
- }
- data = GNUNET_malloc_large (fsize);
- if (NULL == data)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to read friends list from `%s': out of memory\n"),
- fn);
- GNUNET_free (fn);
- return;
- }
- if (fsize != GNUNET_DISK_fn_read (fn, data, fsize))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to read friends list from `%s'\n"), fn);
- GNUNET_free (fn);
- GNUNET_free (data);
+ _("Found myself `%s' in friend list (useless, ignored)\n"),
+ GNUNET_i2s (pid));
return;
}
+ (*entries_found)++;
+ fl = make_peer (pid, NULL, GNUNET_YES);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Found friend `%s' in configuration\n"),
+ GNUNET_i2s (&fl->pid));
+}
+
+
+/**
+ * Read the friends file.
+ */
+static void
+read_friends_file (const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ unsigned int entries_found;
+
entries_found = 0;
- start = 0;
- pos = 0;
- while (pos < fsize)
+ if (GNUNET_OK !=
+ GNUNET_FRIENDS_parse (cfg,
+ &handle_friend,
+ &entries_found))
{
- while ((pos < fsize) && isspace ((unsigned char) data[pos]))
- pos++;
- if (GNUNET_OK !=
- GNUNET_CRYPTO_ecc_public_sign_key_from_string (&data[start],
- pos - start,
- &pid.public_key))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Syntax error in topology specification at offset %llu, skipping bytes `%.*s'.\n"),
- (unsigned long long) pos,
- (int) (pos - start),
- &data[start]);
- pos++;
- start = pos;
- continue;
- }
- pos++;
- start = pos;
- if (0 == memcmp (&pid, &my_identity, sizeof (struct GNUNET_PeerIdentity)))
- {
+ if ((friends_only) || (minimum_friend_count > 0))
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Found myself `%s' in friend list (useless, ignored)\n"),
- GNUNET_i2s (&pid));
- continue;
- }
- entries_found++;
- fl = make_peer (&pid, NULL, GNUNET_YES);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Found friend `%s' in configuration\n"),
- GNUNET_i2s (&fl->pid));
+ _("Encountered errors parsing friends list!\n"));
}
- GNUNET_free (data);
- GNUNET_free (fn);
GNUNET_STATISTICS_update (stats, gettext_noop ("# friends in configuration"),
entries_found, GNUNET_NO);
if ((minimum_friend_count > entries_found) && (friends_only == GNUNET_NO))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Fewer friends specified than required by minimum friend count. Will only connect to friends.\n"));
+ _("Fewer friends specified than required by minimum friend count. Will only connect to friends.\n"));
}
if ((minimum_friend_count > target_connection_count) &&
(friends_only == GNUNET_NO))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _
- ("More friendly connections required than target total number of connections.\n"));
+ _("More friendly connections required than target total number of connections.\n"));
}
}
* @param c configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
static struct GNUNET_CORE_MessageHandler handlers[] = {
blacklist = GNUNET_TRANSPORT_blacklist (cfg, &blacklist_check, NULL);
transport = GNUNET_TRANSPORT_connect (cfg, NULL, NULL, NULL, NULL, NULL);
handle =
- GNUNET_CORE_connect (cfg, NULL, &core_init, &connect_notify,
- &disconnect_notify, NULL, GNUNET_NO, NULL, GNUNET_NO,
+ GNUNET_CORE_connect (cfg, NULL,
+ &core_init,
+ &connect_notify,
+ &disconnect_notify,
+ NULL, GNUNET_NO,
+ NULL, GNUNET_NO,
handlers);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleaning_task,
NULL);
(GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "gnunet-daemon-topology",
_
- ("GNUnet topology control (maintaining P2P mesh and F2F constraints)"),
+ ("GNUnet topology control (maintaining P2P cadet and F2F constraints)"),
options, &run, NULL)) ? 0 : 1;
GNUNET_free ((void*) argv);
return ret;
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