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/*
This file is part of GNUnet.
(C) 2009 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file util/test_server_with_client.c
* @brief tests for server.c and client.c,
* specifically disconnect_notify,
* client_get_address and receive_done (resume processing)
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_client_lib.h"
#include "gnunet_server_lib.h"
#include "gnunet_time_lib.h"
#define VERBOSE GNUNET_EXTRA_LOGGING
#define PORT 22335
#define MY_TYPE 128
static struct GNUNET_SERVER_Handle *server;
static struct GNUNET_CLIENT_Connection *client;
static struct GNUNET_CONFIGURATION_Handle *cfg;
static int ok;
static void
send_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_SERVER_Client *argclient = cls;
GNUNET_assert (ok == 3);
ok++;
GNUNET_SERVER_receive_done (argclient, GNUNET_OK);
}
static void
recv_cb (void *cls, struct GNUNET_SERVER_Client *argclient,
const struct GNUNET_MessageHeader *message)
{
void *addr;
size_t addrlen;
struct sockaddr_in sa;
struct sockaddr_in *have;
GNUNET_assert (GNUNET_OK ==
GNUNET_SERVER_client_get_address (argclient, &addr, &addrlen));
GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
have = addr;
memset (&sa, 0, sizeof (sa));
#if HAVE_SOCKADDR_IN_SIN_LEN
sa.sin_len = sizeof (sa);
#endif
sa.sin_family = AF_INET;
sa.sin_port = have->sin_port;
sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
GNUNET_assert (0 == memcmp (&sa, addr, addrlen));
GNUNET_free (addr);
switch (ok)
{
case 2:
ok++;
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MILLISECONDS, 50),
&send_done, argclient);
break;
case 4:
ok++;
GNUNET_CLIENT_disconnect (client, GNUNET_YES);
GNUNET_SERVER_receive_done (argclient, GNUNET_OK);
break;
default:
GNUNET_assert (0);
}
}
static void
clean_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_SERVER_destroy (server);
server = NULL;
GNUNET_CONFIGURATION_destroy (cfg);
cfg = NULL;
}
/**
* Functions with this signature are called whenever a client
* is disconnected on the network level.
*
* @param cls closure
* @param client identification of the client
*/
static void
notify_disconnect (void *cls, struct GNUNET_SERVER_Client *client)
{
if (client == NULL)
return;
GNUNET_assert (ok == 5);
ok = 0;
GNUNET_SCHEDULER_add_now (&clean_up, NULL);
}
static size_t
notify_ready (void *cls, size_t size, void *buf)
{
struct GNUNET_MessageHeader *msg;
GNUNET_assert (size >= 256);
GNUNET_assert (1 == ok);
ok++;
msg = buf;
msg->type = htons (MY_TYPE);
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
msg++;
msg->type = htons (MY_TYPE);
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
return 2 * sizeof (struct GNUNET_MessageHeader);
}
static struct GNUNET_SERVER_MessageHandler handlers[] = {
{&recv_cb, NULL, MY_TYPE, sizeof (struct GNUNET_MessageHeader)},
{NULL, NULL, 0, 0}
};
static void
task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct sockaddr_in sa;
struct sockaddr *sap[2];
socklen_t slens[2];
sap[0] = (struct sockaddr *) &sa;
slens[0] = sizeof (sa);
sap[1] = NULL;
slens[1] = 0;
memset (&sa, 0, sizeof (sa));
#if HAVE_SOCKADDR_IN_SIN_LEN
sa.sin_len = sizeof (sa);
#endif
sa.sin_family = AF_INET;
sa.sin_port = htons (PORT);
server =
GNUNET_SERVER_create (NULL, NULL, sap, slens,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MILLISECONDS, 250), GNUNET_NO);
GNUNET_assert (server != NULL);
handlers[0].callback_cls = cls;
GNUNET_SERVER_add_handlers (server, handlers);
GNUNET_SERVER_disconnect_notify (server, ¬ify_disconnect, cls);
cfg = GNUNET_CONFIGURATION_create ();
GNUNET_CONFIGURATION_set_value_number (cfg, "test", "PORT", PORT);
GNUNET_CONFIGURATION_set_value_string (cfg, "test", "HOSTNAME", "localhost");
GNUNET_CONFIGURATION_set_value_string (cfg, "resolver", "HOSTNAME",
"localhost");
client = GNUNET_CLIENT_connect ("test", cfg);
GNUNET_assert (client != NULL);
GNUNET_CLIENT_notify_transmit_ready (client, 256,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MILLISECONDS, 250),
GNUNET_NO, ¬ify_ready, NULL);
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
check ()
{
ok = 1;
GNUNET_SCHEDULER_run (&task, NULL);
return ok;
}
int
main (int argc, char *argv[])
{
int ret = 0;
GNUNET_log_setup ("test_server_with_client",
#if VERBOSE
"DEBUG",
#else
"WARNING",
#endif
NULL);
ret += check ();
return ret;
}
/* end of test_server_with_client.c */
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