plugin_testing_transport_nat_mapping.c

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/*
      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
 */
 
#include "platform.h"
#include "gnunet_testing_barrier.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"
#include "gnunet_testing_barrier.h"
 
#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
 
#define BASE_DIR "testdir"
 
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
 
#define ROUTER_BASE_IP "92.68.150."
 
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;
 
static struct GNUNET_TESTING_Interpreter *is;
 
static int
check_test (void *cls,
            const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
{
  return GNUNET_OK;
}
 
 
static void
handle_test (void *cls,
             const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
{
  struct GNUNET_TESTING_AsyncContext *ac;
 
  GNUNET_TESTING_get_trait_async_context (&block_receive,
                                          &ac);
  GNUNET_assert  (NULL != ac);
  if (NULL == ac->cont)
    GNUNET_TESTING_async_fail ((struct GNUNET_TESTING_AsyncContext *) ac);
  else
    GNUNET_TESTING_async_finish ((struct GNUNET_TESTING_AsyncContext *) ac);
}
 
 
struct GNUNET_TESTING_BarrierList *
get_waiting_for_barriers ()
{
  //No Barrier
  return GNUNET_new (struct GNUNET_TESTING_BarrierList);
}
 
 
static void
all_peers_started ()
{
  struct GNUNET_TESTING_AsyncContext *ac;
 
  GNUNET_TESTING_get_trait_async_context (&block_send,
                                          &ac);
  GNUNET_assert  (NULL != ac);
  if (NULL == ac->cont)
    GNUNET_TESTING_async_fail ((struct GNUNET_TESTING_AsyncContext *) ac);
  else
    GNUNET_TESTING_async_finish ((struct GNUNET_TESTING_AsyncContext *) ac);
}
 
 
static void
handle_result (void *cls,
               enum GNUNET_GenericReturnValue rv)
{
  struct TestState *ts = cls;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Local test exits with status %d\n",
              rv);
 
  ts->finished_cb (rv);
  GNUNET_free (ts->testdir);
  GNUNET_free (ts->cfgname);
  GNUNET_TESTING_free_topology (ts->topology);
  GNUNET_free (ts);
}
 
 
static void *
notify_connect (struct GNUNET_TESTING_Interpreter *is,
                const struct GNUNET_PeerIdentity *peer)
{
  const struct ConnectPeersState *cps;
  const struct GNUNET_TESTING_Command *cmd;
 
  cmd = GNUNET_TESTING_interpreter_lookup_command (is,
                                                   "connect-peers");
  GNUNET_TRANSPORT_TESTING_get_trait_connect_peer_state (cmd,
                                                 &cps);
  void *ret = NULL;
 
  cps->notify_connect (is,
                       peer);
  return ret;
}
 
 
static void
all_local_tests_prepared ()
{
  const struct GNUNET_TESTING_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 ((struct GNUNET_TESTING_AsyncContext *) &lfs->ac);
  else
    GNUNET_TESTING_async_finish ((struct
                                  GNUNET_TESTING_AsyncContext *) &lfs->ac);
}
 
 
static void
child_completed_callback (void *cls,
                          enum GNUNET_OS_ProcessStatusType type,
                          long unsigned int exit_code)
{
  
}
 
 
static struct GNUNET_TESTING_Interpreter *
start_testcase (GNUNET_TESTING_cmd_helper_write_cb write_message,
                const char *router_ip,
                const char *node_ip,
                const char *m,
                const char *n,
                const char *local_m,
                const char *topology_data,
                unsigned int *read_file,
                GNUNET_TESTING_cmd_helper_finish_cb finished_cb)
{
 
  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;
  unsigned int sscanf_ret = 0;
  char **argv = NULL;
  unsigned int argc = 0;
  char *dst_ip;
  char *num_string;
  
 
  
  ts->finished_cb = finished_cb;
  LOG (GNUNET_ERROR_TYPE_ERROR,
       "n %s m %s\n",
       n,
       m);
 
  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;
 
  errno = 0;
  sscanf_ret = sscanf (m, "%u", &m_int);
  if (errno != 0)
  {
    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sscanf");
  }
  GNUNET_assert (0 < sscanf_ret);
  errno = 0;
  sscanf_ret = sscanf (n, "%u", &n_int);
  if (errno != 0)
  {
    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sscanf");
  }
  GNUNET_assert (0 < sscanf_ret);
  errno = 0;
  sscanf_ret = sscanf (local_m, "%u", &local_m_int);
  if (errno != 0)
  {
    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sscanf");
  }
  GNUNET_assert (0 < sscanf_ret);
 
  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,
                                                      0,
                                                      GNUNET_YES);
  local_prepared = GNUNET_TESTING_cmd_local_test_prepared (
    "local-test-prepared",
    write_message);
 
 
  GNUNET_asprintf (&ts->cfgname,
                   "test_transport_api_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 ()
  };
 
  LOG (GNUNET_ERROR_TYPE_DEBUG,
       "num: %u\n",
       num);
  GNUNET_asprintf (&num_string,
                   "%u",
                   num);
  GNUNET_array_append (argv, argc, "7777");
  GNUNET_array_append (argv, argc, num_string);
  if (1 == num )
  {
    GNUNET_asprintf (&dst_ip,
                       ROUTER_BASE_IP "%u",
                       num + 1);
    GNUNET_array_append (argv, argc, dst_ip);
  }
  else
  {
    GNUNET_asprintf (&dst_ip,
                       ROUTER_BASE_IP "%u",
                       num - 1);
    GNUNET_array_append (argv, argc, dst_ip);
  }
 
  LOG (GNUNET_ERROR_TYPE_DEBUG,
       "dst_ip %s\n",
       dst_ip);
  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_NO),
    GNUNET_TESTING_cmd_exec_bash_script ("nat_node_test",
                                         "nat_node_test.sh",
                                         argv,
                                         argc,
                                         &child_completed_callback),
    GNUNET_TESTING_cmd_send_peer_ready ("send-peer-ready",
                                        write_message),
    block_send,
    connect_peers,
    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;
 
  is = GNUNET_TESTING_run (commands,
                      TIMEOUT,
                      &handle_result,
                      ts);
  GNUNET_free (num_string);
  GNUNET_free (dst_ip);
  return is;
}
 
 
void *
libgnunet_test_transport_plugin_cmd_nat_mapping_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;
  api->get_waiting_for_barriers = get_waiting_for_barriers;
  return api;
}
 
 
void *
libgnunet_test_transport_plugin_cmd_nat_mapping_done (void *cls)
{
  struct GNUNET_TESTING_PluginFunctions *api = cls;
 
  GNUNET_free (api);
  return NULL;
}
 
 
/* end of plugin_cmd_nat_mapping.c */