transport_api_cmd_send_simple.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_util_lib.h"
#include "gnunet_testing_ng_lib.h"
#include "gnunet_testing_netjail_lib.h"
#include "transport-testing2.h"
#include "transport-testing-cmds.h"
 
#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
 
struct SendSimpleState
{
  uint32_t num;
 
  const char *start_peer_label;
 
  const char *create_label;
 
  struct GNUNET_TESTING_NetjailTopology *topology;
};
 
 
static void
send_simple_cleanup (void *cls)
{
  struct SendSimpleState *sss = cls;
 
  GNUNET_free (sss);
}
 
 
static int
send_simple_cb  (void *cls,
                 const struct GNUNET_ShortHashCode *key,
                 void *value)
{
  struct SendSimpleState *sss = cls;
  struct GNUNET_MQ_Handle *mq = value;
  struct GNUNET_MQ_Envelope *env;
  struct GNUNET_TRANSPORT_TESTING_TestMessage *test;
 
  LOG (GNUNET_ERROR_TYPE_DEBUG,
       "Sending simple test message with mq %p\n",
       mq);
 
  env = GNUNET_MQ_msg_extra (test,
                             1000 - sizeof(*test),
                             GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE);
  test->num = htonl (sss->num);
  memset (&test[1],
          sss->num,
          1000 - sizeof(*test));
  GNUNET_MQ_send (mq,
                  env);
  return GNUNET_OK;
}
 
 
static void
send_simple_run (void *cls,
                 struct GNUNET_TESTING_Interpreter *is)
{
  struct SendSimpleState *sss = cls;
  const struct GNUNET_CONTAINER_MultiShortmap *connected_peers_map;
  const struct GNUNET_TESTING_Command *peer1_cmd;
  const struct GNUNET_TESTING_Command *system_cmd;
  const struct GNUNET_TESTING_System *tl_system;
 
  peer1_cmd = GNUNET_TESTING_interpreter_lookup_command (is,
                                                         sss->start_peer_label);
  GNUNET_TRANSPORT_get_trait_connected_peers_map (peer1_cmd,
                                                  &connected_peers_map);
 
  system_cmd = GNUNET_TESTING_interpreter_lookup_command (is,
                                                          sss->create_label);
  GNUNET_TESTING_get_trait_test_system (system_cmd,
                                        &tl_system);
 
  GNUNET_CONTAINER_multishortmap_iterate (
    (struct GNUNET_CONTAINER_MultiShortmap *)
    connected_peers_map, send_simple_cb,
    sss);
}
 
 
struct GNUNET_TESTING_Command
GNUNET_TRANSPORT_cmd_send_simple (const char *label,
                                  const char *start_peer_label,
                                  const char *create_label,
                                  uint32_t num,
                                  struct GNUNET_TESTING_NetjailTopology *
                                  topology)
{
  struct SendSimpleState *sss;
 
  sss = GNUNET_new (struct SendSimpleState);
  sss->num = num;
  sss->start_peer_label = start_peer_label;
  sss->create_label = create_label;
  sss->topology = topology;
 
  return GNUNET_TESTING_command_new (sss,
                                     label,
                                     &send_simple_run,
                                     &send_simple_cleanup,
                                     NULL,
                                     NULL);
}