moderate udp support, not really tested (:

1 files changed, 358 insertions, 0 deletions

diff --git a/src/transport/test_plugin_transport_udp.c b/src/transport/test_plugin_transport_udp.c
new file mode 100644
index 000000000..85740c256
--- /dev/null
+++ b/src/transport/test_plugin_transport_udp.c
@@ -0,0 +1,358 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009 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 2, 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 testcase for transport_api.c
+ * @author Sailor Siraj
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include "gnunet_constants.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_hello_lib.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_peerinfo_service.h"
+#include "gnunet_plugin_lib.h"
+#include "gnunet_protocols.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_signatures.h"
+#include "plugin_transport.h"
+#include "transport.h"
+
+#define VERBOSE GNUNET_NO
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
+
+/**
+ * Our public key.
+ */
+static struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded my_public_key;
+
+/**
+ * Our identity.
+ */
+static struct GNUNET_PeerIdentity my_identity;
+
+/**
+ * Our private key.
+ */
+static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key;
+
+/**
+ * Our scheduler.
+ */
+struct GNUNET_SCHEDULER_Handle *sched;
+
+/**
+ * Our configuration.
+ */
+const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Number of neighbours we'd like to have.
+ */
+static uint32_t max_connect_per_transport;
+
+/**
+ * Environment for this plugin.
+ */
+struct GNUNET_TRANSPORT_PluginEnvironment env;
+
+/**
+ *handle for the api provided by this plugin
+ */
+struct GNUNET_TRANSPORT_PluginFunctions *api;
+
+/**
+ * Did the test pass or fail?
+ */
+static int ok;
+
+/**
+ * Initialize Environment for this plugin
+ */
+static void
+receive(void *cls,
+        struct GNUNET_TIME_Relative
+        latency,
+        const struct GNUNET_PeerIdentity
+        * peer,
+        const struct GNUNET_MessageHeader
+        * message)
+{
+  /* do nothing */
+}
+
+void notify_address(void *cls,
+                    const char *name,
+                    const void *addr,
+                    size_t addrlen,
+                    struct
+                    GNUNET_TIME_Relative
+                    expires)
+{
+}
+
+/**
+ * Function called when the service shuts
+ * down.  Unloads our plugins.
+ *
+ * @param cls closure
+ * @param cfg configuration to use
+ */
+static void
+unload_plugins (void *cls,
+                const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  GNUNET_assert (NULL == GNUNET_PLUGIN_unload ("libgnunet_plugin_transport_udp",api));
+  if (my_private_key != NULL)
+    GNUNET_CRYPTO_rsa_key_free (my_private_key);
+
+}
+
+
+static void
+unload_task (void *cls,
+             const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+  unload_plugins (NULL, cfg);
+}
+
+
+static GNUNET_SCHEDULER_TaskIdentifier validation_timeout_task;
+
+
+static void
+validation_notification (void *cls,
+                         const char *name,
+                         const struct GNUNET_PeerIdentity *peer,
+                         uint32_t challenge,
+                         const char *sender_addr)
+{
+  if (validation_timeout_task != GNUNET_SCHEDULER_NO_TASK)
+    {
+      GNUNET_SCHEDULER_cancel (sched, validation_timeout_task);
+      validation_timeout_task = GNUNET_SCHEDULER_NO_TASK;
+    }
+
+  GNUNET_assert (challenge == 42);
+
+  ok = 0; /* if the last test succeeded, report success */
+
+  GNUNET_SCHEDULER_add_continuation (sched,
+                                     &unload_task,
+                                     (void*) cfg,
+                                     GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+}
+
+
+static void
+validation_failed (void *cls,
+                   const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  validation_timeout_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_break (0); /* output error */
+  /* the "validation_notification" was not called
+     in a timely fashion; we should set an error
+     code for main and shut down */
+  unload_plugins (NULL, cfg);
+}
+
+
+/**
+ * Simple example test that invokes
+ * the "validate" function of the plugin
+ * and tries to see if the plugin would
+ * succeed to validate its own address.
+ * (This test is not well-written since
+ *  we hand-compile the address which
+ *  kind-of works for TCP but would not
+ *  work for other plugins; we should ask
+ *  the plugin about its address instead...).
+ */
+/* FIXME: won't work on IPv6 enabled systems where IPv4 mapping
+ * isn't enabled (eg. FreeBSD > 4)
+ */
+static void
+test_validation ()
+{
+  struct sockaddr_in soaddr;
+
+  memset (&soaddr, 0, sizeof(soaddr));
+#if HAVE_SOCKADDR_IN_SIN_LEN
+  soaddr.sin_len = sizeof (soaddr);
+#endif
+  soaddr.sin_family = AF_INET;
+  soaddr.sin_port = htons(2368 /* FIXME: get from config! */);
+  soaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+
+  /* add job to catch failure (timeout) */
+  validation_timeout_task =
+    GNUNET_SCHEDULER_add_delayed (sched,
+                                  TIMEOUT,
+                                  &validation_failed,
+                                  NULL);
+
+  api->validate (api->cls,
+                 &my_identity,
+                 42,
+                 TIMEOUT,
+                 &soaddr,
+                 sizeof(soaddr));
+}
+
+
+static void setup_plugin_environment()
+{
+  env.cfg  = cfg;
+  env.sched = sched;
+  env.my_public_key = &my_public_key;
+  env.my_private_key = my_private_key;
+  env.my_identity = &my_identity;
+  env.cls=&env;
+  env.receive=&receive;
+  env.notify_address=&notify_address;
+  env.notify_validation = &validation_notification;
+  env.max_connections = max_connect_per_transport;
+}
+static int retx;
+
+/**
+ * Runs the test.
+ *
+ * @param cls closure
+ * @param s scheduler to use
+ * @param c configuration to use
+ */
+static void
+run (void *cls,
+     struct GNUNET_SCHEDULER_Handle *s,
+     char *const *args,
+     const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *c)
+{
+  unsigned long long tneigh;
+  char *keyfile;
+  char *libname;
+
+  sched = s;
+  cfg = c;
+  /* parse configuration */
+  if ((GNUNET_OK !=
+       GNUNET_CONFIGURATION_get_value_number (c,
+                                              "TRANSPORT",
+                                              "NEIGHBOUR_LIMIT",
+                                              &tneigh)) ||
+      (GNUNET_OK !=
+       GNUNET_CONFIGURATION_get_value_filename (c,
+                                                "GNUNETD",
+                                                "HOSTKEY", &keyfile)))
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  _("Transport service is lacking key configuration settings.  Exiting.\n"));
+      GNUNET_SCHEDULER_shutdown (s);
+      return;
+    }
+  max_connect_per_transport = (uint32_t) tneigh;
+  my_private_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
+  GNUNET_free (keyfile);
+  if (my_private_key == NULL)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  _("Transport service could not access hostkey.  Exiting.\n"));
+      GNUNET_SCHEDULER_shutdown (s);
+      return;
+    }
+  GNUNET_CRYPTO_rsa_key_get_public (my_private_key,
+                                    &my_public_key);
+  GNUNET_CRYPTO_hash (&my_public_key,
+                      sizeof (my_public_key),
+                      &my_identity.hashPubKey);
+
+  /* load plugins... */
+  setup_plugin_environment();
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              _("Loading udp transport plugin\n"));
+  GNUNET_asprintf (&libname, "libgnunet_plugin_transport_udp");
+
+  api = GNUNET_PLUGIN_load(libname, &env);
+  GNUNET_free (libname);
+  if (api == NULL)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  _("Failed to load transport plugin for udp\n"));
+      /* FIXME: set some error code for main */
+      return;
+    }
+  test_validation ();
+}
+
+
+/**
+ * The main function for the transport service.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+  static struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  int ret;
+  char *const argv_prog[] = {
+    "test_plugin_transport",
+    "-c",
+    "test_plugin_transport_data_udp.conf",
+    "-L",
+#if VERBOSE
+    "DEBUG",
+#else
+    "WARNING",
+#endif
+    NULL
+  };
+  GNUNET_log_setup ("test-plugin-transport",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ok = 1; /* set to fail */
+  ret = (GNUNET_OK ==
+          GNUNET_PROGRAM_run (5,
+                              argv_prog,
+                              "test-plugin-transport",
+                              "testcase",
+                              options,
+                              &run, NULL)) ? ok : 1;
+  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-plugin-transport");
+  return ret;
+}
+
+/* end of test_plugin_transport_udp.c */