/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ 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 2, or (at your
+ 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file util/test_client.c
* @brief tests for client.c
+ * @author Christian Grothoff
*/
#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"
+#include "gnunet_util_lib.h"
-#define VERBOSE GNUNET_NO
+static int global_ret;
-#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;
+static struct GNUNET_MQ_Handle *client_mq;
#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)
+handle_echo (void *cls,
+ const struct GNUNET_MessageHeader *message)
{
- struct CopyContext *cc;
- struct GNUNET_MessageHeader *cpy;
+ struct GNUNET_SERVICE_Client *c = cls;
+ struct GNUNET_MQ_Handle *mq = GNUNET_SERVICE_client_get_mq (c);
+ struct GNUNET_MQ_Envelope *env;
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));
+ env = GNUNET_MQ_msg_copy (message);
+ GNUNET_MQ_send (mq,
+ env);
+ GNUNET_SERVICE_client_continue (c);
}
-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)
+handle_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;
+ GNUNET_assert (NULL != got);
+ global_ret = 2;
+ GNUNET_MQ_destroy (client_mq);
+ client_mq = NULL;
}
-static size_t
-make_msg (void *cls, size_t size, void *buf)
+/**
+ * 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)
{
- 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);
+ GNUNET_assert (0); /* should never happen */
}
static void
-task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+task (void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *cfg,
+ struct GNUNET_SERVICE_Handle *sh)
{
- struct sockaddr_in sa;
-
- 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 (tc->sched,
- NULL,
- NULL,
- (const struct sockaddr *) &sa,
- sizeof (sa),
- 1024,
- GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_MILLISECONDS, 250),
- 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 (tc->sched, 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, 250));
+ struct GNUNET_MQ_MessageHandler chandlers[] = {
+ GNUNET_MQ_hd_fixed_size (bounce,
+ MY_TYPE,
+ struct GNUNET_MessageHeader,
+ cls),
+ GNUNET_MQ_handler_end ()
+ };
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_MessageHeader *msg;
+
+ /* test that ill-configured client fails instantly */
+ GNUNET_assert (NULL ==
+ GNUNET_CLIENT_connecT (cfg,
+ "invalid-service",
+ NULL,
+ &mq_error_handler,
+ NULL));
+ client_mq = GNUNET_CLIENT_connecT (cfg,
+ "test_client",
+ chandlers,
+ &mq_error_handler,
+ NULL);
+ GNUNET_assert (NULL != client_mq);
+ env = GNUNET_MQ_msg (msg,
+ MY_TYPE);
+ GNUNET_MQ_send (client_mq,
+ env);
}
/**
- * Main method, starts scheduler with task1,
- * checks that "ok" is correct at the end.
+ * Function called when the client connects to the service.
+ *
+ * @param cls the name of the service
+ * @param c connecting client
+ * @param mq message queue to talk to the client
+ * @return @a c
*/
-static int
-check ()
+static void *
+connect_cb (void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ struct GNUNET_MQ_Handle *mq)
{
- 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;
+ return c;
}
+
+/**
+ * Function called when the client disconnects.
+ *
+ * @param cls our service name
+ * @param c disconnecting client
+ * @param internal_cls must match @a c
+ */
+static void
+disconnect_cb (void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ void *internal_cls)
+{
+ if (2 == global_ret)
+ {
+ GNUNET_SCHEDULER_shutdown ();
+ global_ret = 0;
+ }
+}
+
+
int
-main (int argc, char *argv[])
+main (int argc,
+ char *argv[])
{
- int ret = 0;
+ struct GNUNET_MQ_MessageHandler shandlers[] = {
+ GNUNET_MQ_hd_fixed_size (echo,
+ MY_TYPE,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_handler_end ()
+ };
+ char * test_argv[] = {
+ (char *) "test_client",
+ "-c",
+ "test_client_data.conf",
+ NULL
+ };
GNUNET_log_setup ("test_client",
-#if VERBOSE
- "DEBUG",
-#else
"WARNING",
-#endif
NULL);
- ret += check ();
-
- return ret;
+ if (0 != strstr (argv[0],
+ "unix"))
+ test_argv[2] = "test_client_unix.conf";
+ global_ret = 1;
+ if (0 !=
+ GNUNET_SERVICE_ruN_ (3,
+ test_argv,
+ "test_client",
+ GNUNET_SERVICE_OPTION_NONE,
+ &task,
+ &connect_cb,
+ &disconnect_cb,
+ NULL,
+ shandlers))
+ global_ret = 3;
+ return global_ret;
}
/* end of test_client.c */