Boston, MA 02111-1307, USA.
*/
/**
- * @file integration-test/connection_watchdog.c
+ * @file integration-tests/connection_watchdog.c
* @brief tool to monitor core and transport connections for consistency
* @author Matthias Wachs
*/
*/
static int ret;
+static int have_tcp;
+static int have_udp;
+static int have_http;
+static int have_https;
+static int have_unix;
+
static struct GNUNET_TRANSPORT_Handle *th;
static struct GNUNET_CORE_Handle *ch;
static struct GNUNET_PeerIdentity my_peer_id;
};
+enum protocol
+{
+ tcp,
+ udp,
+ unixdomain
+};
+
+struct TransportPlugin
+{
+ /**
+ * This is a doubly-linked list.
+ */
+ struct TransportPlugin *next;
+
+ /**
+ * This is a doubly-linked list.
+ */
+ struct TransportPlugin *prev;
+
+ /**
+ * Short name for the plugin (i.e. "tcp").
+ */
+ char *short_name;
+
+ int port;
+
+ int protocol;
+};
+
+struct TransportPlugin *phead;
+struct TransportPlugin *ptail;
+
int map_check_it (void *cls,
const GNUNET_HashCode * key,
void *value)
}
}
+
static void
stats_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+static int
+check_lowlevel_connections (int port, int protocol)
+{
+ FILE *f;
+ char * cmdline;
+ char * proto;
+ char line[1024];
+ int count = -1;
+#ifdef MINGW
+ /* not supported */
+ return count;
+#else
+
+ switch (protocol) {
+ case tcp:
+ proto = "-t";
+ break;
+ case udp:
+ proto = "-u";
+ break;
+ case unixdomain:
+ proto = "-x";
+ break;
+ default:
+ proto = "";
+ break;
+ }
+
+
+ GNUNET_asprintf(&cmdline, "netstat -n %s | grep %u", proto, port);
+
+ if (system ("netstat -n > /dev/null 2> /dev/null"))
+ if (system ("netstat -n > /dev/null 2> /dev/null") == 0)
+ f = popen (cmdline, "r");
+ else
+ f = NULL;
+ else
+ f = popen (cmdline, "r");
+ if (!f)
+ {
+ GNUNET_log_strerror(GNUNET_ERROR_TYPE_ERROR, "ss");
+ GNUNET_free (cmdline);
+ return -1;
+ }
+
+ count = 0;
+ while (NULL != fgets (line, sizeof (line), f))
+ {
+ /* read */
+ //printf ("%s", line);
+ count ++;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%i TCP connections established with port %u\n",
+ count, port);
+
+ pclose (f);
+ GNUNET_free (cmdline);
+ return count;
+#endif
+}
+
+
+static struct TransportPlugin *
+find_plugin (char * name)
+{
+ struct TransportPlugin *cur = NULL;
+
+ for (cur = phead; cur != NULL; cur = phead)
+ {
+ if (0 == strcmp(name, cur->short_name))
+ return cur;
+ }
+ return cur;
+}
+
int stats_check_cb (void *cls, const char *subsystem,
const char *name, uint64_t value,
int is_persistent)
{
static int counter;
+
uint64_t *val = cls;
if (NULL != val)
(*val) = value;
counter ++;
- if (STATS_VALUES == counter)
+ if ((STATS_VALUES == counter) || ((GNUNET_NO == have_tcp) && (STATS_VALUES - 1 == counter)))
{
int fail = GNUNET_NO;
+
+
+
+ int low_level_connections_udp = check_lowlevel_connections (2086, udp);
+
if (transport_connections != core_connections)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Transport connections are inconsistent: %u transport notifications <-> %u core notifications\n",
+ "%u transport notifications <-> %u core notifications\n",
transport_connections, core_connections);
fail = GNUNET_YES;
}
if (transport_connections != statistics_transport_connections)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Transport connections are inconsistent: %u transport notifications <-> %u in statistics (peers connected)\n",
+ "%u transport notifications <-> %u in statistics (peers connected)\n",
transport_connections, statistics_transport_connections);
fail = GNUNET_YES;
}
+
if (core_connections != statistics_core_entries_session_map)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Transport connections are inconsistent: %u core notifications <-> %u in statistics (entries session map)\n",
+ "%u core notifications <-> %u in statistics (entries session map)\n",
core_connections, statistics_core_entries_session_map);
fail = GNUNET_YES;
}
if (core_connections != statistics_core_neighbour_entries)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Transport connections are inconsistent: %u core notifications <-> %u in statistics (neighbour entries allocated)\n",
+ "%u core notifications <-> %u in statistics (neighbour entries allocated)\n",
core_connections, statistics_core_neighbour_entries);
fail = GNUNET_YES;
}
if (GNUNET_NO == fail)
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Statistics consistency check successful : (%u transport / %u core) connections established\n", transport_connections, core_connections);
+ "Check successful : (%u transport / %u core) connections established\n", transport_connections, core_connections);
- /* This is only an issue when transport_connections > statistics_transport_tcp_connections */
- if (transport_connections > statistics_transport_tcp_connections)
+ /* TCP plugin specific checks */
+ if (GNUNET_YES == have_tcp)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Transport connections are inconsistent: %u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
- transport_connections, statistics_transport_tcp_connections);
- fail = GNUNET_YES;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transport connections are inconsistent: %u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
- transport_connections, statistics_transport_tcp_connections);
+ struct TransportPlugin * p = find_plugin ("tcp");
+ int low_level_connections_tcp = check_lowlevel_connections (p->port, p->protocol);
+
+ if (low_level_connections_tcp != -1)
+ {
+ if (statistics_transport_tcp_connections > low_level_connections_tcp)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "%u transport tcp sessions <-> %i established tcp connections\n",
+ statistics_transport_tcp_connections, low_level_connections_tcp);
+ fail = GNUNET_YES;
+ }
+ else if (low_level_connections_tcp != -1)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%u TCP connections, %u UDP connections \n",
+ low_level_connections_tcp, low_level_connections_udp);
+ }
+ }
+ if (transport_connections > statistics_transport_tcp_connections)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "%u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
+ transport_connections, statistics_transport_tcp_connections);
+ fail = GNUNET_YES;
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ " %u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
+ transport_connections, statistics_transport_tcp_connections);
+ }
}
if (GNUNET_SCHEDULER_NO_TASK == statistics_task)
return GNUNET_OK;
}
+
static void
stats_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
statistics_core_neighbour_entries = 0;
GNUNET_STATISTICS_get (stats, "transport", "# peers connected", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_connections);
- GNUNET_STATISTICS_get (stats, "transport", "# TCP sessions active", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_tcp_connections);
GNUNET_STATISTICS_get (stats, "core", "# neighbour entries allocated", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_neighbour_entries);
GNUNET_STATISTICS_get (stats, "core", "# entries in session map", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_entries_session_map);
+
+ /* TCP plugin specific checks */
+ if (GNUNET_YES == have_tcp)
+ GNUNET_STATISTICS_get (stats, "transport", "# TCP sessions active", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_tcp_connections);
+
+
}
static void
cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ struct TransportPlugin * cur = phead;
+
if (NULL != th)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Disconnecting from transport service\n");
GNUNET_SCHEDULER_cancel(check_task);
check_task = GNUNET_SCHEDULER_NO_TASK;
}
+
+ for (cur = phead; cur != NULL; cur = phead)
+ {
+ GNUNET_CONTAINER_DLL_remove(phead, ptail, cur);
+ GNUNET_free (cur->short_name);
+ GNUNET_free (cur);
+ }
+
check_task = GNUNET_SCHEDULER_add_now (&map_check, &map_cleanup);
}
uint32_t ats_count)
{
transport_connections ++;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT connect notification for peer `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT connect for peer `%s' (%u total)\n",
GNUNET_i2s (peer), transport_connections);
map_connect (peer, th);
}
GNUNET_PeerIdentity * peer)
{
GNUNET_assert (transport_connections > 0);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT disconnect notification for peer `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT disconnect for peer `%s' (%u total)\n",
GNUNET_i2s (peer), transport_connections) ;
map_disconnect (peer, th);
transport_connections --;
if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
{
core_connections ++;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect notification for peer `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for peer `%s' (%u total)\n",
GNUNET_i2s (peer), core_connections);
map_connect (peer, ch);
}
else
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect notification for myself `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for myself `%s' (%u total)\n",
GNUNET_i2s (peer), core_connections);
}
}
if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_assert (core_connections >= 0);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect notification for peer `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for peer `%s' (%u total)\n",
GNUNET_i2s (peer), core_connections);
map_disconnect (peer, ch);
core_connections --;
}
else
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect notification for myself `%s' (%u total)\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for myself `%s' (%u total)\n",
GNUNET_i2s (peer), core_connections);
}
const struct GNUNET_PeerIdentity *my_identity)
{
my_peer_id = *my_identity;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Connected to core service\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to core service\n");
+}
+
+
+static void
+init ()
+{
+ struct TransportPlugin * cur;
+ char *plugs;
+ char *pos;
+ char *secname;
+ int counter;
+ long long unsigned int port;
+
+ have_tcp = GNUNET_NO;
+ have_udp = GNUNET_NO;
+ have_http = GNUNET_NO;
+ have_https = GNUNET_NO;
+ have_unix = GNUNET_NO;
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (mycfg, "TRANSPORT", "PLUGINS", &plugs))
+ return;
+ counter = 0;
+ for (pos = strtok (plugs, " "); pos != NULL; pos = strtok (NULL, " "))
+ {
+ counter++;
+
+ GNUNET_asprintf(&secname, "transport-%s", pos);
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (mycfg, secname, "PORT", &port))
+ {
+ GNUNET_free (secname);
+ continue;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transport plugin: `%s' port %llu\n"), pos, port);
+ cur = GNUNET_malloc(sizeof (struct TransportPlugin));
+ cur->short_name = strdup (pos);
+ cur->port = port;
+ if (0 == strcmp("tcp", pos))
+ {
+ have_tcp = GNUNET_YES;
+ cur->protocol = tcp;
+ }
+ if (0 == strcmp("udp", pos))
+ {
+ have_udp = GNUNET_YES;
+ cur->protocol = udp;
+ }
+ if (0 == strcmp("http", pos))
+ {
+ have_http = GNUNET_YES;
+ cur->protocol = tcp;
+ }
+ if (0 == strcmp("https", pos))
+ {
+ have_https = GNUNET_YES;
+ cur->protocol = tcp;
+ }
+ if (0 == strcmp("unix", pos))
+ {
+ have_unix = GNUNET_YES;
+ cur->protocol = unixdomain;
+ }
+
+ GNUNET_CONTAINER_DLL_insert(phead, ptail, cur);
+ GNUNET_free (secname);
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Found %u transport plugins: `%s'\n"),
+ counter, plugs);
+
+ GNUNET_free (plugs);
}
/**
transport_connections = 0;
core_connections = 0;
mycfg = cfg;
+
+ init();
+
stats = GNUNET_STATISTICS_create ("watchdog", cfg);
peers = GNUNET_CONTAINER_multihashmap_create (20);
&transport_notify_connect_cb,
&transport_notify_disconnect_cb);
GNUNET_assert (th != NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Connected to transport service\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to transport service\n");
ch = GNUNET_CORE_connect (cfg, 1, NULL,
&core_init_cb,
&core_connect_cb,
GNUNET_assert (ch != NULL);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task, NULL);
+
}
GNUNET_GETOPT_OPTION_END
};
return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "connection-watchdog",
+ GNUNET_PROGRAM_run (argc, argv, "cn",
gettext_noop ("help text"), options, &run,
NULL)) ? ret : 1;
}
projects / oweals / gnunet.git / blobdiff