[gnunet] branch master updated: - added missing testcase plugin

[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 200d95be0 - added missing testcase plugin
200d95be0 is described below

commit 200d95be000f9c0a9beca91370e754368d6bc59a
Author: t3sserakt <t3ss@posteo.de>
AuthorDate: Mon Sep 20 14:19:31 2021 +0200

    - added missing testcase plugin
---
 .../test_transport_plugin_cmd_udp_backchannel.c    | 242 +++++++++++++++++++++
 1 file changed, 242 insertions(+)

diff --git a/src/transport/test_transport_plugin_cmd_udp_backchannel.c 
b/src/transport/test_transport_plugin_cmd_udp_backchannel.c
new file mode 100644
index 000000000..90e474aea
--- /dev/null
+++ b/src/transport/test_transport_plugin_cmd_udp_backchannel.c
@@ -0,0 +1,242 @@
+/*
+      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.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_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_udp_backchannel_topo.conf"
+
+/**
+ * The name for a specific test environment directory.
+ *
+ */
+char *testdir;
+
+/**
+ * The name for the configuration file of the specific node.
+ *
+ */
+char *cfgname;
+
+/**
+ * Flag indicating if all peers have been started.
+ *
+ */
+unsigned int are_all_peers_started;
+
+/**
+ * Flag indicating a received message.
+ */
+unsigned int message_received;
+
+
+/**
+ * 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)
+{
+  message_received = GNUNET_YES;
+}
+
+
+/**
+ * Callback to set the flag indicating all peers started. Will be called via 
the plugin api.
+ *
+ */
+static void
+all_peers_started ()
+{
+  are_all_peers_started = GNUNET_YES;
+  LOG (GNUNET_ERROR_TYPE_ERROR,
+       "setting are_all_peers_started: %d\n",
+       are_all_peers_started);
+}
+
+
+/**
+ * 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)
+{
+
+  unsigned int n_int, m_int, local_m_int, num;
+
+  struct GNUNET_TESTING_NetjailTopology *topology =
+    GNUNET_TESTING_get_topo_from_file (TOPOLOGY_CONFIG);
+
+  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;
+
+  GNUNET_asprintf (&cfgname,
+                   "test_transport_api2_tcp_node1.conf");
+
+  LOG (GNUNET_ERROR_TYPE_ERROR,
+       "plugin cfgname: %s\n",
+       cfgname);
+
+  LOG (GNUNET_ERROR_TYPE_ERROR,
+       "node ip: %s\n",
+       node_ip);
+
+  GNUNET_asprintf (&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,
+                           NULL),
+    GNUNET_MQ_handler_end ()
+  };
+
+  struct GNUNET_TESTING_Command commands[] = {
+    GNUNET_TESTING_cmd_system_create ("system-create",
+                                      testdir),
+    GNUNET_TRANSPORT_cmd_start_peer_v3 ("start-peer",
+                                        "system-create",
+                                        num,
+                                        node_ip,
+                                        handlers,
+                                        cfgname),
+    GNUNET_TESTING_cmd_send_peer_ready ("send-peer-ready",
+                                        write_message),
+    GNUNET_TESTING_cmd_block_until_all_peers_started ("block",
+                                                      &are_all_peers_started),
+    GNUNET_TRANSPORT_cmd_connect_peers_v3 ("connect-peers",
+                                           "start-peer",
+                                           "system-create",
+                                           num,
+                                           topology),
+    GNUNET_TRANSPORT_cmd_send_simple_v2 ("send-simple",
+                                         "start-peer",
+                                         num),
+    GNUNET_TESTING_cmd_block_until_external_trigger ("block-receive",
+                                                     &message_received),
+    GNUNET_TRANSPORT_cmd_stop_peer ("stop-peer",
+                                    "start-peer"),
+    GNUNET_TESTING_cmd_system_destroy ("system-destroy",
+                                       "system-create"),
+    GNUNET_TESTING_cmd_local_test_finished ("local-test-finished",
+                                            write_message)
+  };
+
+  GNUNET_TESTING_run (NULL,
+                      commands,
+                      GNUNET_TIME_UNIT_FOREVER_REL);
+
+}
+
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls NULL
+ * @return the exported block API
+ */
+void *
+libgnunet_test_transport_plugin_cmd_udp_backchannel_init (void *cls)
+{
+  struct GNUNET_TESTING_PluginFunctions *api;
+
+  GNUNET_log_setup ("udp-backchannel",
+                    "DEBUG",
+                    NULL);
+
+  api = GNUNET_new (struct GNUNET_TESTING_PluginFunctions);
+  api->start_testcase = &start_testcase;
+  api->all_peers_started = &all_peers_started;
+  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_udp_backchannel_done (void *cls)
+{
+  struct GNUNET_TESTING_PluginFunctions *api = cls;
+
+  GNUNET_free (api);
+  GNUNET_free (testdir);
+  GNUNET_free (cfgname);
+  return NULL;
+}
+
+
+/* end of plugin_cmd_simple_send.c */

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