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authorMatthias Wachs <wachs@net.in.tum.de>2011-09-12 12:54:48 +0000
committerMatthias Wachs <wachs@net.in.tum.de>2011-09-12 12:54:48 +0000
commit04ddcb878f651d8f0fd5862ed3723a4ccf6b1711 (patch)
tree6f3de972c793194e9b0b54153eafb917737a00f8 /src/transport/test_transport_api_limited_sockets.c
parent6b26c96e92ab48d830e8d66a1238444e7a061740 (diff)
basics for a testcase with a limited number of open files
Diffstat (limited to 'src/transport/test_transport_api_limited_sockets.c')
-rw-r--r--src/transport/test_transport_api_limited_sockets.c378
1 files changed, 378 insertions, 0 deletions
diff --git a/src/transport/test_transport_api_limited_sockets.c b/src/transport/test_transport_api_limited_sockets.c
new file mode 100644
index 000000000..0dc6c2a86
--- /dev/null
+++ b/src/transport/test_transport_api_limited_sockets.c
@@ -0,0 +1,378 @@
+/*
+ This file is part of GNUnet.
+ (C) 2009, 2010 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ 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.
+*/
+/**
+ * @file transport/test_transport_api.c
+ * @brief base test case for transport implementations
+ *
+ * This test case serves as a base for tcp, udp, and udp-nat
+ * transport test cases. Based on the executable being run
+ * the correct test case will be performed. Conservation of
+ * C code apparently.
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_hello_lib.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_transport_service.h"
+#include "transport.h"
+#include "transport-testing.h"
+
+#define VERBOSE GNUNET_NO
+
+#define VERBOSE_ARM GNUNET_NO
+
+#define START_ARM GNUNET_YES
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
+
+#define MTYPE 12345
+
+#define MAX_FILES 20
+
+static char *test_source;
+
+static char *test_plugin;
+
+static char *test_name;
+
+static int ok;
+
+static GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+static GNUNET_SCHEDULER_TaskIdentifier send_task;
+
+struct PeerContext *p1;
+
+struct PeerContext *p2;
+
+static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
+
+struct GNUNET_TRANSPORT_TransmitHandle *th;
+
+char *cfg_file_p1;
+
+char *cfg_file_p2;
+
+#if VERBOSE
+#define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
+#else
+#define OKPP do { ok++; } while (0)
+#endif
+
+
+static void
+end ()
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
+
+ if (send_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (send_task);
+
+ if (die_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (die_task);
+
+ if (th != NULL)
+ GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+ th = NULL;
+
+ GNUNET_TRANSPORT_TESTING_stop_peer (p1);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p2);
+}
+
+static void
+end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ die_task = GNUNET_SCHEDULER_NO_TASK;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
+
+ if (send_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (send_task);
+
+ if (cc != NULL)
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
+
+ if (th != NULL)
+ GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+ th = NULL;
+
+ if (p1 != NULL)
+ GNUNET_TRANSPORT_TESTING_stop_peer (p1);
+ if (p2 != NULL)
+ GNUNET_TRANSPORT_TESTING_stop_peer (p2);
+
+ ok = GNUNET_SYSERR;
+}
+
+
+static void
+notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *message,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received message of type %d from peer %s!\n",
+ ntohs (message->type), GNUNET_i2s (peer));
+
+ if ((MTYPE == ntohs (message->type)) &&
+ (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
+ {
+ ok = 0;
+ end ();
+ }
+ else
+ {
+ GNUNET_break (0);
+ ok = 1;
+ end ();
+ }
+}
+
+
+static size_t
+notify_ready (void *cls, size_t size, void *buf)
+{
+ struct PeerContext *p = cls;
+ struct GNUNET_MessageHeader *hdr;
+
+ th = NULL;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting message with %u bytes to peer %s\n",
+ sizeof (struct GNUNET_MessageHeader), GNUNET_i2s (&p->id));
+ GNUNET_assert (size >= 256);
+
+ if (buf != NULL)
+ {
+ hdr = buf;
+ hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
+ hdr->type = htons (MTYPE);
+ }
+ return sizeof (struct GNUNET_MessageHeader);
+}
+
+
+static void
+notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
+ GNUNET_i2s (peer), cls);
+}
+
+
+static void
+notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
+ GNUNET_i2s (peer), cls);
+}
+
+static void
+sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ send_task = GNUNET_SCHEDULER_NO_TASK;
+
+ if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+ return;
+
+ th = GNUNET_TRANSPORT_notify_transmit_ready (p1->th, &p2->id, 256, 0, TIMEOUT,
+ &notify_ready, &p1);
+}
+
+static void
+testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
+{
+ cc = NULL;
+ char *p1_c = strdup (GNUNET_i2s (&p1->id));
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
+ GNUNET_i2s (&p2->id));
+ GNUNET_free (p1_c);
+
+ // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
+ send_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
+}
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
+
+ p1 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p1, &notify_receive,
+ &notify_connect, &notify_disconnect,
+ NULL);
+ p2 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p2, &notify_receive,
+ &notify_connect, &notify_disconnect,
+ NULL);
+
+ if ((p1 == NULL) || (p2 == NULL))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
+ if (die_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (die_task);
+ die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+ return;
+ }
+
+ cc = GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb,
+ NULL);
+}
+
+
+static int
+check ()
+{
+ static char *const argv[] = { "test-transport-api",
+ "-c",
+ "test_transport_api_data.conf",
+#if VERBOSE
+ "-L", "DEBUG",
+#endif
+ NULL
+ };
+ static struct GNUNET_GETOPT_CommandLineOption options[] = {
+ GNUNET_GETOPT_OPTION_END
+ };
+
+#if WRITECONFIG
+ setTransportOptions ("test_transport_api_data.conf");
+#endif
+ send_task = GNUNET_SCHEDULER_NO_TASK;
+
+ ok = 1;
+ GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
+ "nohelp", options, &run, &ok);
+
+ return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+ int ret = 0;
+ int nat_res;
+ test_plugin = NULL;
+
+ GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
+ GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
+ &test_plugin);
+ GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
+
+ GNUNET_log_setup (test_name,
+#if VERBOSE
+ "DEBUG",
+#else
+ "WARNING",
+#endif
+ NULL);
+
+ if ((test_plugin != NULL) && ((strcmp (test_plugin, "tcp_nat") == 0) ||
+ (strcmp (test_plugin, "udp_nat") == 0)))
+ {
+ nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
+ if (GNUNET_NO == nat_res)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
+ "gnunet-nat-server", "SUID not set");
+ return 0;
+ }
+ if (GNUNET_SYSERR == nat_res)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
+ "gnunet-nat-server", "file not found");
+ return 0;
+ }
+ }
+
+#if !HAVE_SETRLIMIT
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot run test on this system\n");
+
+ GNUNET_free (test_source);
+ GNUNET_free (test_plugin);
+ GNUNET_free (test_name);
+
+ return 0;
+#else
+ struct rlimit r_file_old;
+ struct rlimit r_file_new;
+ int res;
+ res = getrlimit(RLIMIT_NOFILE, &r_file_old);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Maximum number of open files was: %u/%u\n", r_file_old.rlim_cur, r_file_old.rlim_max);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Setting maximum number of open files to: %u\n", MAX_FILES);
+ r_file_new.rlim_cur = MAX_FILES;
+ r_file_new.rlim_max = r_file_old.rlim_max;
+ res = setrlimit(RLIMIT_NOFILE, &r_file_new);
+
+ if (res != 0)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Setting limit failed!\n");
+ GNUNET_free (test_source);
+ GNUNET_free (test_plugin);
+ GNUNET_free (test_name);
+ return 0;
+ }
+
+ GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
+ GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
+ ret = check ();
+#endif
+
+
+ GNUNET_free (cfg_file_p1);
+ GNUNET_free (cfg_file_p2);
+
+ GNUNET_free (test_source);
+ GNUNET_free (test_plugin);
+ GNUNET_free (test_name);
+
+#if HAVE_SETRLIMIT
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Restoring previous value maximum number of open files\n");
+ res = setrlimit(RLIMIT_NOFILE, &r_file_old);
+ if (res != 0)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Restoring limit failed!\n");
+ return 0;
+ }
+#endif
+
+
+
+ return ret;
+ check ();
+}
+
+/* end of test_transport_api.c */