[gnunet] branch master updated: - added distance vector testcase

[gnunet]

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t3sserakt pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new fdb9fc3b6 - added distance vector testcase
fdb9fc3b6 is described below

commit fdb9fc3b6f1333a05e093ed1a8aee63d6308ced1
Author: t3sserakt <t3ss@posteo.de>
AuthorDate: Mon Nov 29 11:51:56 2021 +0100

    - added distance vector testcase
---
 .../test_transport_plugin_cmd_simple_send_dv.c     | 374 +++++++++++++++++++++
 1 file changed, 374 insertions(+)

diff --git a/src/transport/test_transport_plugin_cmd_simple_send_dv.c 
b/src/transport/test_transport_plugin_cmd_simple_send_dv.c
new file mode 100644
index 000000000..6a3492705
--- /dev/null
+++ b/src/transport/test_transport_plugin_cmd_simple_send_dv.c
@@ -0,0 +1,374 @@
+/*
+      This file is part of GNUnet
+      Copyright (C) 2021 GNUnet e.V.
+
+      GNUnet is free software: you can redistribute it and/or modify it
+      under the terms of the GNU Affero General Public License as published
+      by the Free Software Foundation, either version 3 of the License,
+      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
+      Affero General Public License for more details.
+
+      You should have received a copy of the GNU Affero General Public License
+      along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+
+/**
+ * @file testbed/plugin_cmd_simple_send_broadcast.c
+ * @brief a plugin to provide the API for running test cases.
+ * @author t3sserakt
+ */
+#include "platform.h"
+#include "gnunet_testing_ng_lib.h"
+#include "gnunet_testing_netjail_lib.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_transport_application_service.h"
+#include "transport-testing2.h"
+#include "transport-testing-cmds.h"
+
+/**
+ * Generic logging shortcut
+ */
+#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
+
+#define BASE_DIR "testdir"
+
+#define TOPOLOGY_CONFIG "test_transport_simple_send_topo.conf"
+
+struct TestState
+{
+  /**
+   * Callback to write messages to the master loop.
+   *
+   */
+  TESTING_CMD_HELPER_write_cb write_message;
+
+  /**
+   * The name for a specific test environment directory.
+   *
+   */
+  char *testdir;
+
+  /**
+   * The name for the configuration file of the specific node.
+   *
+   */
+  char *cfgname;
+
+  /**
+   * The complete topology information.
+   */
+  struct GNUNET_TESTING_NetjailTopology *topology;
+};
+
+static struct GNUNET_TESTING_Command block_send;
+
+static struct GNUNET_TESTING_Command block_receive;
+
+static struct GNUNET_TESTING_Command connect_peers;
+
+static struct GNUNET_TESTING_Command local_prepared;
+
+/**
+ * Function called to check a message of type 
GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE being
+ * received.
+ *
+ */
+static int
+check_test (void *cls,
+            const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
+{
+  return GNUNET_OK;
+}
+
+
+/**
+ * Function called to handle a message of type 
GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE
+ * being received.
+ *
+ */
+static void
+handle_test (void *cls,
+             const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
+{
+  struct GNUNET_TESTING_AsyncContext *ac;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received test message\n");
+  GNUNET_TESTING_get_trait_async_context (&block_receive,
+                                          &ac);
+  GNUNET_assert  (NULL != ac);
+  if (NULL == ac->cont)
+    GNUNET_TESTING_async_fail (ac);
+  else
+    GNUNET_TESTING_async_finish (ac);
+}
+
+
+/**
+ * Callback to set the flag indicating all peers started. Will be called via 
the plugin api.
+ *
+ */
+static void
+all_peers_started ()
+{
+  struct GNUNET_TESTING_AsyncContext *ac;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received message\n");
+  GNUNET_TESTING_get_trait_async_context (&block_send,
+                                          &ac);
+  GNUNET_assert  (NULL != ac);
+  if (NULL == ac->cont)
+    GNUNET_TESTING_async_fail (ac);
+  else
+    GNUNET_TESTING_async_finish (ac);
+}
+
+
+/**
+ * Function called with the final result of the test.
+ *
+ * @param cls the `struct MainParams`
+ * @param rv #GNUNET_OK if the test passed
+ */
+static void
+handle_result (void *cls,
+               enum GNUNET_GenericReturnValue rv)
+{
+  struct TestState *ts = cls;
+  struct GNUNET_MessageHeader *reply;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Local test exits with status %d\n",
+              rv);
+  reply = GNUNET_TESTING_send_local_test_finished_msg (rv);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "message prepared\n");
+  ts->write_message (reply,
+                     ntohs (reply->size));
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "message send\n");
+  GNUNET_free (ts->testdir);
+  GNUNET_free (ts->cfgname);
+  GNUNET_TESTING_free_topology (ts->topology);
+  GNUNET_free (ts);
+}
+
+
+/**
+ * Callback from start peer cmd for signaling a peer got connected.
+ *
+ */
+static void *
+notify_connect (struct GNUNET_TESTING_Interpreter *is,
+                const struct GNUNET_PeerIdentity *peer)
+{
+  struct ConnectPeersState *cps;
+  const struct GNUNET_TESTING_Command *cmd;
+  void *ret = NULL;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "notify_connect peer %s\n",
+              GNUNET_i2s (peer));
+  cmd = GNUNET_TESTING_interpreter_lookup_command_all (is,
+                                                   "connect-peers");
+  GNUNET_TRANSPORT_get_trait_connect_peer_state (cmd,
+                                                 &cps);
+  cps->notify_connect (is,
+                       peer);
+  
+  return ret;
+}
+
+
+/**
+ * Callback to set the flag indicating all peers are prepared to finish. Will 
be called via the plugin api.
+ */
+static void
+all_local_tests_prepared ()
+{
+  struct LocalPreparedState *lfs;
+
+  GNUNET_TESTING_get_trait_local_prepared_state (&local_prepared,
+                                                 &lfs);
+  GNUNET_assert (NULL != &lfs->ac);
+  if (NULL == lfs->ac.cont)
+    GNUNET_TESTING_async_fail (&lfs->ac);
+  else
+    GNUNET_TESTING_async_finish (&lfs->ac);
+}
+
+
+/**
+ * Function to start a local test case.
+ *
+ * @param write_message Callback to send a message to the master loop.
+ * @param router_ip Global address of the network namespace.
+ * @param node_ip Local address of a node i a network namespace.
+ * @param m The number of the node in a network namespace.
+ * @param n The number of the network namespace.
+ * @param local_m The number of nodes in a network namespace.
+ */
+static void
+start_testcase (TESTING_CMD_HELPER_write_cb write_message, char *router_ip,
+                char *node_ip,
+                char *m,
+                char *n,
+                char *local_m,
+                char *topology_data,
+                unsigned int *read_file)
+{
+  unsigned int n_int;
+  unsigned int m_int;
+  unsigned int local_m_int;
+  unsigned int num;
+  struct TestState *ts = GNUNET_new (struct TestState);
+  struct GNUNET_TESTING_NetjailTopology *topology;
+
+
+
+  if (GNUNET_YES == *read_file)
+  {
+    LOG (GNUNET_ERROR_TYPE_DEBUG,
+         "read from file\n");
+    topology = GNUNET_TESTING_get_topo_from_file (topology_data);
+  }
+  else
+    topology = GNUNET_TESTING_get_topo_from_string (topology_data);
+
+  ts->topology = topology;
+
+  sscanf (m, "%u", &m_int);
+  sscanf (n, "%u", &n_int);
+  sscanf (local_m, "%u", &local_m_int);
+
+  if (0 == n_int)
+    num = m_int;
+  else
+    num = (n_int - 1) * local_m_int + m_int + topology->nodes_x;
+
+  block_send = GNUNET_TESTING_cmd_block_until_external_trigger ("block");
+  block_receive = GNUNET_TESTING_cmd_block_until_external_trigger (
+    "block-receive");
+  connect_peers = GNUNET_TRANSPORT_cmd_connect_peers ("connect-peers",
+                                                      "start-peer",
+                                                      "system-create",
+                                                      num,
+                                                      topology,
+                                                      8);
+  local_prepared = GNUNET_TESTING_cmd_local_test_prepared (
+    "local-test-prepared",
+    write_message);
+
+
+  GNUNET_asprintf (&ts->cfgname,
+                   "test_transport_api2_tcp_node1.conf");
+
+  LOG (GNUNET_ERROR_TYPE_DEBUG,
+       "plugin cfgname: %s\n",
+       ts->cfgname);
+
+  LOG (GNUNET_ERROR_TYPE_DEBUG,
+       "node ip: %s\n",
+       node_ip);
+
+  GNUNET_asprintf (&ts->testdir,
+                   "%s%s%s",
+                   BASE_DIR,
+                   m,
+                   n);
+
+  struct GNUNET_MQ_MessageHandler handlers[] = {
+    GNUNET_MQ_hd_var_size (test,
+                           GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE,
+                           struct GNUNET_TRANSPORT_TESTING_TestMessage,
+                           ts),
+    GNUNET_MQ_handler_end ()
+  };
+
+  struct GNUNET_TESTING_Command commands[] = {
+    GNUNET_TESTING_cmd_system_create ("system-create",
+                                      ts->testdir),
+    GNUNET_TRANSPORT_cmd_start_peer ("start-peer",
+                                     "system-create",
+                                     num,
+                                     node_ip,
+                                     handlers,
+                                     ts->cfgname,
+                                     notify_connect,
+                                     GNUNET_YES),
+    GNUNET_TESTING_cmd_send_peer_ready ("send-peer-ready",
+                                        write_message),
+    block_send,
+    connect_peers,
+    GNUNET_TRANSPORT_cmd_send_simple ("send-simple",
+                                      "start-peer",
+                                      "system-create",
+                                      num,
+                                      topology),
+    block_receive,
+    local_prepared,
+    GNUNET_TRANSPORT_cmd_stop_peer ("stop-peer",
+                                    "start-peer"),
+    GNUNET_TESTING_cmd_system_destroy ("system-destroy",
+                                       "system-create"),
+    GNUNET_TESTING_cmd_end ()
+  };
+
+  ts->write_message = write_message;
+
+  GNUNET_TESTING_run (commands,
+                      GNUNET_TIME_UNIT_FOREVER_REL,
+                      &handle_result,
+                      ts);
+
+}
+
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls NULL
+ * @return the exported block API
+ */
+void *
+libgnunet_test_transport_plugin_cmd_simple_send_dv_init (void *cls)
+{
+  struct GNUNET_TESTING_PluginFunctions *api;
+
+  GNUNET_log_setup ("simple-send",
+                    "DEBUG",
+                    NULL);
+
+  api = GNUNET_new (struct GNUNET_TESTING_PluginFunctions);
+  api->start_testcase = &start_testcase;
+  api->all_peers_started = &all_peers_started;
+  api->all_local_tests_prepared = all_local_tests_prepared;
+  return api;
+}
+
+
+/**
+ * Exit point from the plugin.
+ *
+ * @param cls the return value from 
#libgnunet_test_transport_plugin_block_test_init
+ * @return NULL
+ */
+void *
+libgnunet_test_transport_plugin_cmd_simple_send_dv_done (void *cls)
+{
+  struct GNUNET_TESTING_PluginFunctions *api = cls;
+
+  GNUNET_free (api);
+  return NULL;
+}
+
+
+/* end of plugin_cmd_simple_send_broadcast.c */

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