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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_client.c
* @brief tests for client.c
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_client_lib.h"
#include "gnunet_configuration_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_server_lib.h"
#include "gnunet_time_lib.h"
#define VERBOSE GNUNET_NO
#define PORT 14325
#define MYNAME "test_client"
static struct GNUNET_CLIENT_Connection *client;
static struct GNUNET_SERVER_Handle *server;
static struct GNUNET_CONFIGURATION_Handle *cfg;
#define MY_TYPE 130
struct CopyContext
{
struct GNUNET_SERVER_Client *client;
struct GNUNET_MessageHeader *cpy;
};
static size_t
copy_msg (void *cls, size_t size, void *buf)
{
struct CopyContext *ctx = cls;
struct GNUNET_MessageHeader *cpy = ctx->cpy;
GNUNET_assert (sizeof (struct GNUNET_MessageHeader) == ntohs (cpy->size));
GNUNET_assert (size >= ntohs (cpy->size));
memcpy (buf, cpy, ntohs (cpy->size));
GNUNET_SERVER_receive_done (ctx->client, GNUNET_OK);
GNUNET_free (cpy);
GNUNET_free (ctx);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message bounced back to client\n");
return sizeof (struct GNUNET_MessageHeader);
}
/**
* Callback that just bounces the message back to the sender.
*/
static void
echo_cb (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
struct CopyContext *cc;
struct GNUNET_MessageHeader *cpy;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Receiving message from client, bouncing back\n");
GNUNET_assert (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size));
cc = GNUNET_malloc (sizeof (struct CopyContext));
cc->client = client;
cpy = GNUNET_malloc (ntohs (message->size));
memcpy (cpy, message, ntohs (message->size));
cc->cpy = cpy;
GNUNET_assert (NULL !=
GNUNET_SERVER_notify_transmit_ready (client,
ntohs (message->size),
GNUNET_TIME_UNIT_SECONDS,
©_msg, cc));
}
static struct GNUNET_SERVER_MessageHandler handlers[] = {
{&echo_cb, NULL, MY_TYPE, sizeof (struct GNUNET_MessageHeader)},
{NULL, NULL, 0, 0}
};
static void
recv_bounce (void *cls, const struct GNUNET_MessageHeader *got)
{
int *ok = cls;
struct GNUNET_MessageHeader msg;
GNUNET_assert (got != NULL); /* timeout */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receiving bounce, checking content\n");
msg.type = htons (MY_TYPE);
msg.size = htons (sizeof (struct GNUNET_MessageHeader));
GNUNET_assert (0 == memcmp (got, &msg, sizeof (struct GNUNET_MessageHeader)));
GNUNET_CLIENT_disconnect (client);
client = NULL;
GNUNET_SERVER_destroy (server);
server = NULL;
*ok = 0;
}
static size_t
make_msg (void *cls, size_t size, void *buf)
{
struct GNUNET_MessageHeader *msg = buf;
GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
msg->type = htons (MY_TYPE);
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating message for transmission\n");
return sizeof (struct GNUNET_MessageHeader);
}
static void
task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct sockaddr_in sa;
struct sockaddr *sap[2];
socklen_t slens[2];
/* test that ill-configured client fails instantly */
GNUNET_assert (NULL == GNUNET_CLIENT_connect ("invalid-service", cfg));
/* test IPC between client and server */
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, 10000), GNUNET_NO);
GNUNET_assert (server != NULL);
handlers[0].callback_cls = cls;
handlers[1].callback_cls = cls;
GNUNET_SERVER_add_handlers (server, handlers);
client = GNUNET_CLIENT_connect (MYNAME, cfg);
GNUNET_assert (client != NULL);
GNUNET_assert (NULL !=
GNUNET_CLIENT_notify_transmit_ready (client,
sizeof (struct
GNUNET_MessageHeader),
GNUNET_TIME_UNIT_SECONDS,
GNUNET_NO, &make_msg,
NULL));
GNUNET_CLIENT_receive (client, &recv_bounce, cls,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MILLISECONDS, 10000));
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
check ()
{
int ok;
cfg = GNUNET_CONFIGURATION_create ();
GNUNET_CONFIGURATION_set_value_number (cfg, MYNAME, "PORT", PORT);
GNUNET_CONFIGURATION_set_value_string (cfg, MYNAME, "HOSTNAME", "localhost");
GNUNET_CONFIGURATION_set_value_string (cfg, "resolver", "HOSTNAME",
"localhost");
ok = 1;
GNUNET_SCHEDULER_run (&task, &ok);
GNUNET_CONFIGURATION_destroy (cfg);
return ok;
}
int
main (int argc, char *argv[])
{
int ret = 0;
GNUNET_log_setup ("test_client",
#if VERBOSE
"DEBUG",
#else
"WARNING",
#endif
NULL);
ret += check ();
return ret;
}
/* end of test_client.c */
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