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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_connection.c
* @brief tests for connection.c
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_connection_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_time_lib.h"
#define VERBOSE GNUNET_NO
#define PORT 12435
static struct GNUNET_CONNECTION_Handle *csock;
static struct GNUNET_CONNECTION_Handle *asock;
static struct GNUNET_CONNECTION_Handle *lsock;
static size_t sofar;
static struct GNUNET_NETWORK_Handle *ls;
static struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Create and initialize a listen socket for the server.
*
* @return -1 on error, otherwise the listen socket
*/
static struct GNUNET_NETWORK_Handle *
open_listen_socket ()
{
const static int on = 1;
struct sockaddr_in sa;
struct GNUNET_NETWORK_Handle *desc;
memset (&sa, 0, sizeof (sa));
#if HAVE_SOCKADDR_IN_SIN_LEN
sa.sin_len = sizeof (sa);
#endif
sa.sin_port = htons (PORT);
sa.sin_family = AF_INET;
desc = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0);
GNUNET_assert (desc != NULL);
if (GNUNET_NETWORK_socket_setsockopt
(desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)
GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK, "setsockopt");
GNUNET_assert (GNUNET_NETWORK_socket_bind
(desc, (const struct sockaddr *) &sa,
sizeof (sa)) == GNUNET_OK);
GNUNET_NETWORK_socket_listen (desc, 5);
return desc;
}
static void
receive_check (void *cls, const void *buf, size_t available,
const struct sockaddr *addr, socklen_t addrlen, int errCode)
{
int *ok = cls;
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receive validates incoming data\n");
#endif
GNUNET_assert (buf != NULL); /* no timeout */
if (0 == memcmp (&"Hello World"[sofar], buf, available))
sofar += available;
if (sofar < 12)
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receive needs more data\n");
#endif
GNUNET_CONNECTION_receive (asock, 1024,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_SECONDS, 5), &receive_check,
cls);
}
else
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receive closes accepted socket\n");
#endif
*ok = 0;
GNUNET_CONNECTION_destroy (asock, GNUNET_YES);
}
}
static void
run_accept (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test accepts connection\n");
#endif
asock = GNUNET_CONNECTION_create_from_accept (NULL, NULL, ls);
GNUNET_assert (asock != NULL);
GNUNET_assert (GNUNET_YES == GNUNET_CONNECTION_check (asock));
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test destroys listen socket\n");
#endif
GNUNET_CONNECTION_destroy (lsock, GNUNET_YES);
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test asks to receive on accepted socket\n");
#endif
GNUNET_CONNECTION_receive (asock, 1024,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_SECONDS, 5), &receive_check,
cls);
}
static size_t
make_hello (void *cls, size_t size, void *buf)
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test prepares to transmit on connect socket\n");
#endif
GNUNET_assert (size >= 12);
strcpy ((char *) buf, "Hello World");
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test destroys client socket\n");
#endif
GNUNET_CONNECTION_destroy (csock, GNUNET_YES);
return 12;
}
static void
task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
ls = open_listen_socket ();
lsock = GNUNET_CONNECTION_create_from_existing (ls);
GNUNET_assert (lsock != NULL);
csock = GNUNET_CONNECTION_create_from_connect (cfg, "localhost", PORT);
GNUNET_assert (csock != NULL);
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test asks for write notification\n");
#endif
GNUNET_assert (NULL !=
GNUNET_CONNECTION_notify_transmit_ready (csock, 12,
GNUNET_TIME_UNIT_SECONDS,
&make_hello, NULL));
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test prepares to accept\n");
#endif
GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL, ls, &run_accept,
cls);
}
/**
* Main method, starts scheduler with task ,
* checks that "ok" is correct at the end.
*/
static int
check ()
{
int ok;
ok = 1;
cfg = GNUNET_CONFIGURATION_create ();
GNUNET_CONFIGURATION_set_value_string (cfg, "resolver", "HOSTNAME",
"localhost");
GNUNET_SCHEDULER_run (&task, &ok);
GNUNET_CONFIGURATION_destroy (cfg);
return ok;
}
int
main (int argc, char *argv[])
{
int ret = 0;
GNUNET_log_setup ("test_connection",
#if VERBOSE
"DEBUG",
#else
"WARNING",
#endif
NULL);
ret += check ();
return ret;
}
/* end of test_connection.c */
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