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/*
This file is part of GNUnet.
Copyright (C) 2009, 2016 GNUnet e.V.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file util/test_client.c
* @brief tests for client.c
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#define PORT 14325
#define MYNAME "test_client"
static struct GNUNET_MQ_Handle *mq;
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));
GNUNET_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_new (struct CopyContext);
cc->client = client;
cpy = GNUNET_malloc (ntohs (message->size));
GNUNET_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
handle_bounce (void *cls,
const struct GNUNET_MessageHeader *got)
{
int *ok = cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Receiving bounce, checking content\n");
GNUNET_assert (NULL != got);
GNUNET_MQ_destroy (mq);
mq = NULL;
GNUNET_SERVER_destroy (server);
server = NULL;
*ok = 0;
}
/**
* Generic error handler, called with the appropriate error code and
* the same closure specified at the creation of the message queue.
* Not every message queue implementation supports an error handler.
*
* @param cls closure with the `struct GNUNET_STATISTICS_Handle *`
* @param error error code
*/
static void
mq_error_handler (void *cls,
enum GNUNET_MQ_Error error)
{
GNUNET_assert (0); /* should never happen */
}
static void
task (void *cls)
{
struct sockaddr_in sa;
struct sockaddr *sap[2];
socklen_t slens[2];
struct GNUNET_MQ_Envelope *env;
struct GNUNET_MessageHeader *msg;
struct GNUNET_MQ_MessageHandler chandlers[] = {
GNUNET_MQ_hd_fixed_size (bounce,
MY_TYPE,
struct GNUNET_MessageHeader,
cls),
GNUNET_MQ_handler_end ()
};
/* test that ill-configured client fails instantly */
GNUNET_assert (NULL == GNUNET_CLIENT_connecT (cfg,
"invalid-service",
NULL,
&mq_error_handler,
NULL));
/* 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_SECONDS, 10), GNUNET_NO);
GNUNET_assert (server != NULL);
handlers[0].callback_cls = cls;
handlers[1].callback_cls = cls;
GNUNET_SERVER_add_handlers (server, handlers);
mq = GNUNET_CLIENT_connecT (cfg,
MYNAME,
chandlers,
&mq_error_handler,
NULL);
GNUNET_assert (NULL != mq);
env = GNUNET_MQ_msg (msg,
MY_TYPE);
GNUNET_MQ_send (mq,
env);
}
int
main (int argc, char *argv[])
{
int ok;
GNUNET_log_setup ("test_client",
"WARNING",
NULL);
cfg = GNUNET_CONFIGURATION_create ();
GNUNET_CONFIGURATION_set_value_number (cfg, MYNAME, "PORT", PORT);
GNUNET_CONFIGURATION_set_value_string (cfg, MYNAME, "HOSTNAME", "localhost");
ok = 1;
GNUNET_SCHEDULER_run (&task, &ok);
GNUNET_CONFIGURATION_destroy (cfg);
return ok;
}
/* end of test_client.c */
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