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-rw-r--r--src/transport/test_communicator_basic.c420
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diff --git a/src/transport/test_communicator_basic.c b/src/transport/test_communicator_basic.c
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+++ b/src/transport/test_communicator_basic.c
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+/*
+ This file is part of GNUnet.
+ Copyright (C) 2019 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_communicator_basic.c
+* @brief test the communicators
+* @author Julius B√ľnger
+* @author Martin Schanzenbach
+*/
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "transport-testing2.h"
+#include "gnunet_ats_transport_service.h"
+#include "gnunet_signatures.h"
+#include "gnunet_testing_lib.h"
+#include "transport.h"
+
+#include <inttypes.h>
+
+
+#define LOG(kind, ...) GNUNET_log_from (kind, \
+ "test_transport_communicator", \
+ __VA_ARGS__)
+
+#define NUM_PEERS 2
+
+static struct GNUNET_PeerIdentity peer_id[NUM_PEERS];
+
+static char *communicator_binary;
+
+static struct
+GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_hs[NUM_PEERS];
+
+static struct GNUNET_CONFIGURATION_Handle *cfg_peers[NUM_PEERS];
+
+static char **cfg_peers_name;
+
+static int ret;
+
+static struct GNUNET_TIME_Absolute start_short;
+
+static struct GNUNET_TIME_Absolute start_long;
+
+static struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *my_tc;
+
+#define SHORT_MESSAGE_SIZE 128
+
+#define LONG_MESSAGE_SIZE 32000
+
+#define SHORT_BURST_SECONDS 2
+
+#define LONG_BURST_SECONDS 2
+
+#define SHORT_BURST_WINDOW \
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,SHORT_BURST_SECONDS)
+
+#define LONG_BURST_WINDOW \
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,SHORT_BURST_SECONDS)
+
+#define BURST_SHORT 0
+
+#define BURST_LONG 1
+
+#define SIZE_CHECK 2
+
+#define MAX_BUF_LEN 10
+
+static int buf_len = 0;
+
+static char short_payload[SHORT_MESSAGE_SIZE];
+
+static char long_payload[LONG_MESSAGE_SIZE];
+
+static uint32_t ack = 0;
+
+static int phase;
+
+static size_t long_received = 0;
+
+static size_t short_received = 0;
+
+static void
+communicator_available_cb (void *cls,
+ struct
+ GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
+ *tc_h,
+ enum GNUNET_TRANSPORT_CommunicatorCharacteristics cc,
+ char *address_prefix)
+{
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "Communicator available. (cc: %u, prefix: %s)\n",
+ cc,
+ address_prefix);
+}
+
+
+static void
+add_address_cb (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
+ tc_h,
+ const char *address,
+ struct GNUNET_TIME_Relative expiration,
+ uint32_t aid,
+ enum GNUNET_NetworkType nt)
+{
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "New address. (addr: %s, expir: %" PRIu32 ", ID: %" PRIu32 ", nt: %u\n",
+ address,
+ expiration.rel_value_us,
+ aid,
+ nt);
+ // addresses[1] = GNUNET_strdup (address);
+ if (0 == strcmp ((char*) cls, cfg_peers_name[NUM_PEERS - 1]))
+ GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue (tc_hs[0],
+ &peer_id[
+ NUM_PEERS
+ - 1],
+ address);
+}
+
+
+/**
+ * @brief Callback that informs whether the requested queue will be
+ * established
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback.
+ *
+ * @param cls Closure - unused
+ * @param tc_h Communicator handle - unused
+ * @param will_try #GNUNET_YES if queue will be established
+ * #GNUNET_NO if queue will not be established (bogous address)
+ */
+static void
+queue_create_reply_cb (void *cls,
+ struct
+ GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
+ tc_h,
+ int will_try)
+{
+ if (GNUNET_YES == will_try)
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Queue will be established!\n");
+ else
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Queue won't be established (bougus address?)!\n");
+}
+
+
+static void
+size_test (void *cls)
+{
+ char payload[ack];
+ phase = SIZE_CHECK;
+
+ memset (payload, 0, ack);
+ if (ack < 64000) //Leave some room for our protocol.
+ {
+ GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
+ &payload,
+ sizeof(payload));
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Finished\n");
+ GNUNET_SCHEDULER_shutdown ();
+ // Finished!
+}
+
+
+static void
+long_test (void *cls)
+{
+ struct GNUNET_TIME_Relative duration = GNUNET_TIME_absolute_get_duration (
+ start_long);
+ if (LONG_BURST_WINDOW.rel_value_us > duration.rel_value_us)
+ {
+ if (buf_len < MAX_BUF_LEN)
+ {
+ GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
+ &long_payload,
+ sizeof(long_payload));
+ buf_len++;
+ }
+ GNUNET_SCHEDULER_add_now (&long_test, NULL);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ "LONG Goodput (bytes/s): %lu - received packets: %lu\n",
+ (LONG_MESSAGE_SIZE * long_received) / LONG_BURST_SECONDS,
+ long_received);
+ ack = 5;
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &size_test, NULL);
+}
+
+
+static void
+short_test (void *cls)
+{
+ struct GNUNET_TIME_Relative duration = GNUNET_TIME_absolute_get_duration (
+ start_short);
+ if (SHORT_BURST_WINDOW.rel_value_us > duration.rel_value_us)
+ {
+ if (buf_len < MAX_BUF_LEN)
+ {
+ GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
+ &short_payload,
+ sizeof(short_payload));
+ buf_len++;
+ }
+ GNUNET_SCHEDULER_add_now (&short_test, NULL);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Short test done!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ "SHORT Goodput (bytes/s): %lu - received packets: %lu\n",
+ (SHORT_MESSAGE_SIZE * short_received) / SHORT_BURST_SECONDS,
+ short_received);
+ start_long = GNUNET_TIME_absolute_get ();
+ phase = BURST_LONG;
+ buf_len = 0;
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &long_test, NULL);
+}
+
+
+/**
+ * @brief Handle opening of queue
+ *
+ * Issues sending of test data
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_AddQueueCallback
+ *
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param tc_queue Handle to newly opened queue
+ */
+static void
+add_queue_cb (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *
+ tc_queue)
+{
+ if (0 != strcmp ((char*) cls, cfg_peers_name[0]))
+ return; // TODO?
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Queue established, starting test...\n");
+ start_short = GNUNET_TIME_absolute_get ();
+ my_tc = tc_queue;
+ buf_len = 0;
+ phase = BURST_SHORT;
+ GNUNET_SCHEDULER_add_now (&short_test, tc_queue);
+}
+
+
+/**
+ * @brief Handle an incoming message
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_IncomingMessageCallback
+
+ * @param cls Closure
+ * @param tc_h Handle to the receiving communicator
+ * @param msg Received message
+ */
+void
+incoming_message_cb (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
+ *tc_h,
+ const char*payload,
+ size_t payload_len)
+{
+ if (0 != strcmp ((char*) cls, cfg_peers_name[NUM_PEERS - 1]))
+ return; // TODO?
+ if (phase == BURST_SHORT)
+ {
+ GNUNET_assert (SHORT_MESSAGE_SIZE == payload_len);
+ short_received++;
+ buf_len--;
+ }
+ else if (phase == BURST_LONG)
+ {
+ if (LONG_MESSAGE_SIZE != payload_len)
+ return; // Ignore
+ long_received++;
+ buf_len--;
+ }
+ else // if (phase == SIZE_CHECK) {
+ {
+ // GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ // "Receiving payload with size %lu...\n", payload_len);
+ if (ack != payload_len)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Error receiving message, corrupted.\n");
+ ret = 1;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ ack += 5; // Next expected message size
+ GNUNET_SCHEDULER_add_now (&size_test, NULL);
+ }
+}
+
+
+/**
+ * @brief Main function called by the scheduler
+ *
+ * @param cls Closure - Handle to configuration
+ */
+static void
+run (void *cls)
+{
+ ret = 0;
+ memset (long_payload, 0, LONG_MESSAGE_SIZE);
+ memset (short_payload, 0, SHORT_MESSAGE_SIZE);
+ for (int i = 0; i < NUM_PEERS; i++)
+ {
+ tc_hs[i] = GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
+ "transport",
+ communicator_binary,
+ cfg_peers_name[i],
+ &communicator_available_cb,
+ &add_address_cb,
+ &queue_create_reply_cb,
+ &add_queue_cb,
+ &incoming_message_cb,
+ cfg_peers_name[i]); /* cls */
+ }
+}
+
+
+int
+main (int argc,
+ char *const *argv)
+{
+ struct GNUNET_CRYPTO_EddsaPrivateKey *private_key;
+ char *communicator_name;
+ char *cfg_peer;
+ ret = 1;
+
+ communicator_name = GNUNET_TESTING_get_testname_from_underscore (argv[0]);
+ GNUNET_asprintf (&communicator_binary, "gnunet-communicator-%s",
+ communicator_name);
+ cfg_peers_name = GNUNET_malloc (sizeof(char*) * NUM_PEERS);
+ if (GNUNET_OK != GNUNET_log_setup ("test_communicator_basic",
+ "DEBUG",
+ "test_communicator_basic.log"))
+ {
+ fprintf (stderr, "Unable to setup log\n");
+ GNUNET_break (0);
+ return 2;
+ }
+ for (int i = 0; i < NUM_PEERS; i++)
+ {
+ GNUNET_asprintf ((&cfg_peer),
+ "test_communicator_%s_peer%u.conf",
+ communicator_name, i + 1);
+ cfg_peers_name[i] = cfg_peer;
+ cfg_peers[i] = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_YES ==
+ GNUNET_DISK_file_test (cfg_peers_name[i]))
+ {
+ if (GNUNET_SYSERR ==
+ GNUNET_CONFIGURATION_load (cfg_peers[i],
+ cfg_peers_name[i]))
+ {
+ fprintf (stderr,
+ "Malformed configuration file `%s', exiting ...\n",
+ cfg_peers_name[i]);
+ return 1;
+ }
+ }
+ else
+ {
+ if (GNUNET_SYSERR ==
+ GNUNET_CONFIGURATION_load (cfg_peers[i],
+ NULL))
+ {
+ fprintf (stderr,
+ "Configuration file %s does not exist, exiting ...\n",
+ cfg_peers_name[i]);
+ return 1;
+ }
+ }
+ private_key =
+ GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg_peers[i]);
+ if (NULL == private_key)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to get peer ID\n");
+ return 1;
+ }
+ GNUNET_CRYPTO_eddsa_key_get_public (private_key,
+ &peer_id[i].public_key);
+ GNUNET_free (private_key);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Identity of peer %u is %s\n",
+ i, GNUNET_i2s_full (&peer_id[i]));
+ }
+ fprintf (stderr, "Starting test...\n");
+ GNUNET_SCHEDULER_run (&run,
+ NULL);
+ return ret;
+}