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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
*/
/**
* @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_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"
/**
* Generic logging shortcut
*/
#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
#define BASE_DIR "testdir"
#define TOPOLOGY_CONFIG "test_transport_simple_send_topo.conf"
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
#define MAX_RECEIVED 1000
#define MESSAGE_SIZE 65000
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_Command start_peer;
static struct GNUNET_TESTING_Interpreter *is;
static struct GNUNET_CONTAINER_MultiPeerMap *senders;
struct Sender
{
/**
* Number of received messages from sender.
*/
unsigned long long num_received;
/**
* Sample mean time the message traveled.
*/
struct GNUNET_TIME_Relative mean_time;
/**
* Time the first message was send.
*/
struct GNUNET_TIME_Absolute time_first;
};
/**
* 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_PerformanceTestMessage *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_PerformanceTestMessage *message)
{
struct GNUNET_PeerIdentity *peer = cls;
struct GNUNET_TESTING_AsyncContext *ac;
struct Sender *sender;
struct GNUNET_TIME_Absolute time_send;
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_Relative time_traveled;
uint32_t num;
struct GNUNET_TRANSPORT_CoreHandle *ch;
const struct GNUNET_TESTING_StartPeerState *sps;
GNUNET_TRANSPORT_TESTING_get_trait_state (&start_peer,
&sps);
ch = sps->th;
num = ntohl (message->num);
GNUNET_TESTING_get_trait_async_context (&block_receive,
&ac);
GNUNET_assert (NULL != ac);
sender = GNUNET_CONTAINER_multipeermap_get (senders, peer);
now = GNUNET_TIME_absolute_get ();
time_send = GNUNET_TIME_absolute_ntoh (message->time_send);
time_traveled = GNUNET_TIME_absolute_get_difference (time_send, now);
if (NULL == sender)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveled init %s\n",
GNUNET_i2s (peer));
sender = GNUNET_new (struct Sender);
sender->time_first = time_send;
sender->mean_time = GNUNET_TIME_UNIT_ZERO;
GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_put (senders,
peer, sender,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
}
if (GNUNET_TIME_UNIT_ZERO.rel_value_us == sender->mean_time.rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveld mean zero\n");
sender->mean_time = time_traveled;
}
else
{
double factor = (double) sender->num_received
/ ((double) sender->num_received + 1.0);
struct GNUNET_TIME_Relative s1;
struct GNUNET_TIME_Relative s2;
s1 = GNUNET_TIME_relative_multiply (sender->mean_time,
factor);
s2 = GNUNET_TIME_relative_divide (time_traveled,
sender->num_received + 1);
sender->mean_time = GNUNET_TIME_relative_add (s1, s2);
}
sender->num_received++;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveled: %lu\n",
time_traveled.rel_value_us);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"mean time traveled: %s %llu messages received with message number %u\n",
GNUNET_STRINGS_relative_time_to_string (sender->mean_time,
GNUNET_NO),
sender->num_received,
num);
if (floor (MAX_RECEIVED * (1 - 1.0 / 200)) < sender->num_received && NULL ==
ac->cont)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveled failed\n");
// GNUNET_TESTING_async_fail ((struct GNUNET_TESTING_AsyncContext *) ac);
}
else if (floor (MAX_RECEIVED * (1 - 1.0 / 200)) < sender->num_received &&
GNUNET_NO == ac->finished)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveled finish\n");
GNUNET_TESTING_async_finish ((struct GNUNET_TESTING_AsyncContext *) ac);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"time traveled end\n");
GNUNET_TRANSPORT_core_receive_continue (ch, peer);
}
struct GNUNET_TESTING_BarrierList*
get_waiting_for_barriers ()
{
struct GNUNET_TESTING_BarrierList*barriers;
struct GNUNET_TESTING_BarrierListEntry *ble;
barriers = GNUNET_new (struct GNUNET_TESTING_BarrierList);
ble = GNUNET_new (struct GNUNET_TESTING_BarrierListEntry);
ble->barrier_name = "ready-to-connect";
ble->expected_reaches = 1;
GNUNET_CONTAINER_DLL_insert (barriers->head,
barriers->tail,
ble);
ble = GNUNET_new (struct GNUNET_TESTING_BarrierListEntry);
ble->barrier_name = "test-case-finished";
ble->expected_reaches = 1;
GNUNET_CONTAINER_DLL_insert (barriers->head,
barriers->tail,
ble);
return barriers;
}
/**
* Function called with the final result of the test.
*
* @param cls the `struct MainParams`
* @param rv #GNUNET_OK if the test passed
*/
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);
}
/**
* Callback from start peer cmd for signaling a peer got connected.
*
*/
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;
}
/**
* 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 The IP address of the node.
* @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.
* @param topology_data A file name for the file containing the topology configuration, or a string containing
* the topology configuration.
* @param read_file If read_file is GNUNET_YES this string is the filename for the topology configuration,
* if read_file is GNUNET_NO the string contains the topology configuration.
* @param finish_cb Callback function which writes a message from the helper process running on a netjail
* node to the master process * signaling that the test case running on the netjail node finished.
* @return Returns the struct GNUNET_TESTING_Interpreter of the command loop running on this netjail node.
*/
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;
senders = GNUNET_CONTAINER_multipeermap_create (1, GNUNET_NO);
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_api2_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_PERFORMANCE_MTYPE,
struct
GNUNET_TRANSPORT_TESTING_PerformanceTestMessage,
ts),
GNUNET_MQ_handler_end ()
};
start_peer = GNUNET_TRANSPORT_cmd_start_peer ("start-peer",
"system-create",
num,
node_ip,
handlers,
ts->cfgname,
notify_connect,
GNUNET_NO);
struct GNUNET_TESTING_Command commands[] = {
GNUNET_TESTING_cmd_system_create ("system-create",
ts->testdir),
start_peer,
GNUNET_TESTING_cmd_barrier_reached ("ready-to-connect-reached",
"ready-to-connect",
GNUNET_NO,
num,
GNUNET_NO,
write_message),
connect_peers,
GNUNET_TRANSPORT_cmd_send_simple_performance ("send-simple",
"start-peer",
"system-create",
num,
MESSAGE_SIZE,
MAX_RECEIVED,
topology),
block_receive,
GNUNET_TESTING_cmd_barrier_reached ("test-case-finished-reached",
"test-case-finished",
GNUNET_NO,
num,
GNUNET_NO,
write_message),
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);
return is;
}
/**
* Entry point for the plugin.
*
* @param cls NULL
* @return the exported block API
*/
void *
libgnunet_test_transport_plugin_cmd_simple_send_performance_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->get_waiting_for_barriers = get_waiting_for_barriers;
return api;
}
/**
* Exit point from the plugin.
*
* @param cls the return value from #libgnunet_test_transport_plugin_simple_send_performance_init
* @return NULL
*/
void *
libgnunet_test_transport_plugin_cmd_simple_send_performance_done (void *cls)
{
struct GNUNET_TESTING_PluginFunctions *api = cls;
GNUNET_free (api);
return NULL;
}
/* end of plugin_cmd_simple_send.c */
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