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- /*
- This file is part of GNUnet.
- Copyright (C) 2009, 2010, 2016 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 transport/test_transport_api_manipulation_recv_tcp.c
- * @brief base test case for transport traffic manipulation implementation
- *
- * This test case will setup 2 peers and connect them, the first message
- * will be sent without manipulation, then a receive delay of 1 second will
- * be configured and 2 more message will be sent. Time will be measured
- *
- * In addition the distance on receiver side will be manipulated to be 10
- */
- #include "platform.h"
- #include "gnunet_transport_service.h"
- #include "transport-testing.h"
- /**
- * How long until we give up on transmitting the message?
- */
- #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
- static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;
- static int messages_recv;
- static struct GNUNET_TIME_Absolute start_normal;
- static struct GNUNET_TIME_Relative dur_normal;
- static struct GNUNET_TIME_Absolute start_delayed;
- static struct GNUNET_TIME_Relative dur_delayed;
- static void
- do_free (void *cls)
- {
- struct GNUNET_TRANSPORT_TESTING_SendClosure *sc = cls;
- GNUNET_free (sc);
- }
- static void
- delayed_transmit (void *cls)
- {
- struct GNUNET_TRANSPORT_TESTING_SendClosure *sc = cls;
- start_delayed = GNUNET_TIME_absolute_get ();
- GNUNET_TRANSPORT_TESTING_large_send (sc);
- }
- static void
- sendtask (void *cls)
- {
- struct GNUNET_TRANSPORT_TESTING_SendClosure *sc;
- struct GNUNET_ATS_Properties prop;
- struct GNUNET_TIME_Relative delay;
- sc = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_SendClosure);
- sc->num_messages = 1;
- sc->ccc = ccc;
- sc->cont = &do_free;
- sc->cont_cls = sc;
- if (0 == messages_recv)
- {
- start_normal = GNUNET_TIME_absolute_get ();
- }
- if (0 < messages_recv)
- {
- memset (&prop,
- 0,
- sizeof(prop));
- delay = GNUNET_TIME_UNIT_SECONDS;
- GNUNET_TRANSPORT_manipulation_set (ccc->p[1]->tmh,
- &ccc->p[0]->id,
- &prop,
- delay,
- GNUNET_TIME_UNIT_ZERO);
- /* wait 1s to allow manipulation to go into effect */
- if (1 == messages_recv)
- {
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
- &delayed_transmit,
- sc);
- return;
- }
- }
- GNUNET_TRANSPORT_TESTING_large_send (sc);
- }
- static void
- notify_receive (void *cls,
- struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
- const struct GNUNET_PeerIdentity *sender,
- const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
- {
- {
- char *ps = GNUNET_strdup (GNUNET_i2s (&receiver->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer %u (`%s') received message of type %d and size %u size from peer %s)!\n",
- receiver->no,
- ps,
- ntohs (message->header.type),
- ntohs (message->header.size),
- GNUNET_i2s (sender));
- GNUNET_free (ps);
- }
- if ((GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE != ntohs (message->header.type)) ||
- (GNUNET_TRANSPORT_TESTING_LARGE_MESSAGE_SIZE != ntohs (
- message->header.size)))
- {
- GNUNET_break (0);
- ccc->global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if (messages_recv <= 2)
- {
- /* Received non-delayed message */
- dur_normal = GNUNET_TIME_absolute_get_duration (start_normal);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received non-delayed message %u after %s\n",
- messages_recv,
- GNUNET_STRINGS_relative_time_to_string (dur_normal,
- GNUNET_YES));
- GNUNET_SCHEDULER_add_now (&sendtask,
- NULL);
- messages_recv++;
- return;
- }
- /* Received manipulated message */
- dur_delayed = GNUNET_TIME_absolute_get_duration (start_delayed);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received delayed message %u after %s\n",
- messages_recv,
- GNUNET_STRINGS_relative_time_to_string (dur_delayed,
- GNUNET_YES));
- if (dur_delayed.rel_value_us < GNUNET_TIME_UNIT_SECONDS.rel_value_us)
- {
- GNUNET_break (0);
- ccc->global_ret = GNUNET_SYSERR;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Delayed message was not delayed correctly: took only %s\n",
- GNUNET_STRINGS_relative_time_to_string (dur_delayed,
- GNUNET_YES));
- }
- else
- {
- ccc->global_ret = GNUNET_OK;
- }
- /* shutdown */
- GNUNET_SCHEDULER_shutdown ();
- }
- int
- main (int argc,
- char *argv[])
- {
- struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
- .connect_continuation = &sendtask,
- .config_file = "test_transport_api_data.conf",
- .rec = ¬ify_receive,
- .nc = &GNUNET_TRANSPORT_TESTING_log_connect,
- .nd = &GNUNET_TRANSPORT_TESTING_log_disconnect,
- .timeout = TIMEOUT,
- .global_ret = GNUNET_NO
- };
- ccc = &my_ccc;
- if (GNUNET_OK !=
- GNUNET_TRANSPORT_TESTING_main (2,
- &GNUNET_TRANSPORT_TESTING_connect_check,
- ccc))
- return 1;
- return 0;
- }
- /* end of test_transport_api_manipulation_recv_tcp.c */
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