/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2010, 2014 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_server.c
* @brief tests for server.c
*/
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_scheduler_lib.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_time_lib.h"
-
-#define VERBOSE GNUNET_NO
+#include "gnunet_util_lib.h"
+/**
+ * TCP port to use for the server.
+ */
#define PORT 12435
+/**
+ * Timeout to use for operations.
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2)
+
+/**
+ * Test message type.
+ */
#define MY_TYPE 128
+
+/**
+ * Test message type.
+ */
#define MY_TYPE2 129
+/**
+ * Handle for the server.
+ */
static struct GNUNET_SERVER_Handle *server;
-static struct GNUNET_SCHEDULER_Handle *sched;
-
-static void
-recv_fin_cb (void *cls,
- struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- int *ok = cls;
- GNUNET_assert (2 == *ok);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- *ok = 3;
-}
-
-struct SignalTimeoutContext
-{
- GNUNET_NETWORK_Receiver cb;
- void *cb_cls;
-};
+/**
+ * Handle for the client.
+ */
+static struct GNUNET_CLIENT_Connection *cc;
+/**
+ * Handle of the server for the client.
+ */
+static struct GNUNET_SERVER_Client *argclient;
-static void
-signal_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct SignalTimeoutContext *stctx = cls;
+/**
+ * Our configuration.
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
- stctx->cb (stctx->cb_cls, NULL, 0, NULL, 0, 0);
- GNUNET_free (stctx);
-}
+/**
+ * Number indiciating in which phase of the test we are.
+ */
+static int ok;
-static GNUNET_SCHEDULER_TaskIdentifier
-my_receive (void *cls,
- size_t max,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_NETWORK_Receiver receiver, void *receiver_cls)
+/**
+ * Final task invoked to clean up.
+ *
+ * @param cls NULL
+ */
+static void
+finish_up (void *cls)
{
- int *ok = cls;
- struct GNUNET_MessageHeader msg;
- struct SignalTimeoutContext *stctx;
- GNUNET_SCHEDULER_TaskIdentifier ret;
-
- ret = GNUNET_SCHEDULER_NO_PREREQUISITE_TASK;
- switch (*ok)
- {
- case 1:
- *ok = 2; /* report success */
- msg.type = htons (MY_TYPE2);
- msg.size = htons (sizeof (msg));
- receiver (receiver_cls, &msg, sizeof (msg), NULL, 0, 0);
- break;
- case 3:
- /* called after first receive instantly
- produced a reply;
- schedule receiver call with timeout
- after timeout expires! */
- *ok = 4;
- stctx = GNUNET_malloc (sizeof (struct SignalTimeoutContext));
- stctx->cb = receiver;
- stctx->cb_cls = receiver_cls;
- ret = GNUNET_SCHEDULER_add_delayed (sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_KEEP,
- GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
- timeout, &signal_timeout, stctx);
- break;
- default:
- GNUNET_assert (0);
- }
- return ret;
+ GNUNET_assert (7 == ok);
+ ok = 0;
+ GNUNET_SERVER_destroy (server);
+ GNUNET_CLIENT_disconnect (cc);
+ GNUNET_CONFIGURATION_destroy (cfg);
}
+/**
+ * The server has received the second message, initiate clean up.
+ *
+ * @param cls NULL
+ * @param client client we got the message from
+ * @param message the message
+ */
static void
-my_cancel (void *cls, GNUNET_SCHEDULER_TaskIdentifier ti)
+recv_fin_cb (void *cls,
+ struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
{
- GNUNET_SCHEDULER_cancel (sched, ti);
+ GNUNET_assert (6 == ok);
+ ok = 7;
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_SCHEDULER_add_now (&finish_up, NULL);
}
-static void *
-my_transmit_ready_cb (void *cls,
- size_t size,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_NETWORK_TransmitReadyNotify notify,
- void *notify_cls)
+
+/**
+ * The client connected to the server and is now allowed
+ * to send a second message. We send one.
+ *
+ * @param cls NULL
+ * @param size number of bytes that can be transmitted
+ * @param buf where to copy the message
+ * @return number of bytes copied to @a buf
+ */
+static size_t
+transmit_second_message (void *cls,
+ size_t size,
+ void *buf)
{
- static int non_null_addr;
- int *ok = cls;
- char buf[size];
struct GNUNET_MessageHeader msg;
- GNUNET_assert (4 == *ok);
- GNUNET_assert (size == sizeof (struct GNUNET_MessageHeader));
- notify (notify_cls, size, buf);
- msg.type = htons (MY_TYPE);
- msg.size = htons (sizeof (msg));
- GNUNET_assert (0 == memcmp (&msg, buf, size));
- *ok = 5; /* report success */
- return &non_null_addr;
+ GNUNET_assert (5 == ok);
+ ok = 6;
+ GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
+ msg.type = htons (MY_TYPE2);
+ msg.size = htons (sizeof (struct GNUNET_MessageHeader));
+ memcpy (buf, &msg, sizeof (struct GNUNET_MessageHeader));
+ return sizeof (struct GNUNET_MessageHeader);
}
+/**
+ * We have received the reply from the server, check that we are at
+ * the right stage and queue the next message to the server. Cleans
+ * up #argclient.
+ *
+ * @param cls NULL
+ * @param msg message we got from the server
+ */
static void
-my_transmit_ready_cancel_cb (void *cls, void *ctx)
+first_reply_handler (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
- GNUNET_assert (0);
-}
-
-
-static int
-my_check (void *cls)
-{
- return GNUNET_YES;
+ GNUNET_assert (4 == ok);
+ ok = 5;
+ GNUNET_assert (NULL !=
+ GNUNET_CLIENT_notify_transmit_ready (cc,
+ sizeof (struct GNUNET_MessageHeader),
+ TIMEOUT,
+ GNUNET_YES,
+ &transmit_second_message,
+ NULL));
}
-static void my_destroy (void *cls);
-
-
-struct CopyContext
-{
- struct GNUNET_SERVER_Client *client;
- struct GNUNET_MessageHeader *cpy;
-};
-
+/**
+ * Send a reply of type #MY_TYPE from the server to the client.
+ * Checks that we are in the right phase and transmits the
+ * reply. Cleans up #argclient state.
+ *
+ * @param cls NULL
+ * @param size number of bytes we are allowed to send
+ * @param buf where to copy the reply
+ * @return number of bytes written to @a buf
+ */
static size_t
-copy_msg (void *cls, size_t size, void *buf)
+reply_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_free (cpy);
- GNUNET_free (ctx);
+ struct GNUNET_MessageHeader msg;
+
+ GNUNET_assert (3 == ok);
+ ok = 4;
+ GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
+ msg.type = htons (MY_TYPE);
+ msg.size = htons (sizeof (struct GNUNET_MessageHeader));
+ memcpy (buf, &msg, sizeof (struct GNUNET_MessageHeader));
+ GNUNET_assert (NULL != argclient);
+ GNUNET_SERVER_receive_done (argclient, GNUNET_OK);
+ GNUNET_SERVER_client_drop (argclient);
+ argclient = NULL;
return sizeof (struct GNUNET_MessageHeader);
}
+/**
+ * Function called whenever the server receives a message of
+ * type #MY_TYPE. Checks that we are at the stage where
+ * we expect the first message, then sends a reply. Stores
+ * the handle to the client in #argclient.
+ *
+ * @param cls NULL
+ * @param client client that sent the message
+ * @param message the message we received
+ */
static void
recv_cb (void *cls,
- struct GNUNET_SERVER_Client *argclient,
+ struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- struct GNUNET_SERVER_Client *client;
- struct CopyContext *cc;
- struct GNUNET_MessageHeader *cpy;
-
- GNUNET_assert (argclient == NULL);
- GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
- ntohs (message->size));
+ GNUNET_assert (2 == ok);
+ ok = 3;
+ argclient = client;
+ GNUNET_SERVER_client_keep (argclient);
+ GNUNET_assert (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size));
GNUNET_assert (MY_TYPE == ntohs (message->type));
- client = GNUNET_SERVER_connect_callback (server,
- cls,
- &my_receive,
- &my_cancel,
- &my_transmit_ready_cb,
- &my_transmit_ready_cancel_cb,
- &my_check, &my_destroy);
- 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));
- GNUNET_SERVER_client_drop (client);
+ TIMEOUT, &reply_msg,
+ NULL));
}
+/**
+ * The client connected to the server and is now allowed
+ * to send a first message. We transmit a simple message,
+ * ask for a second transmission and get ready to receive
+ * a response.
+ *
+ * @param cls NULL
+ * @param size number of bytes that can be transmitted
+ * @param buf where to copy the message
+ * @return number of bytes copied to @a buf
+ */
+static size_t
+transmit_initial_message (void *cls,
+ size_t size,
+ void *buf)
+{
+ struct GNUNET_MessageHeader msg;
+
+ GNUNET_assert (1 == ok);
+ ok = 2;
+ GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
+ msg.type = htons (MY_TYPE);
+ msg.size = htons (sizeof (struct GNUNET_MessageHeader));
+ memcpy (buf, &msg, sizeof (struct GNUNET_MessageHeader));
+ GNUNET_CLIENT_receive (cc, &first_reply_handler, NULL, TIMEOUT);
+ return sizeof (struct GNUNET_MessageHeader);
+}
+
+
+/**
+ * Message handlers for the server.
+ */
static struct GNUNET_SERVER_MessageHandler handlers[] = {
{&recv_cb, NULL, MY_TYPE, sizeof (struct GNUNET_MessageHeader)},
{&recv_fin_cb, NULL, MY_TYPE2, sizeof (struct GNUNET_MessageHeader)},
};
+/**
+ * First task run by the scheduler. Initializes the server and
+ * a client and asks for a transmission from the client to the
+ * server.
+ *
+ * @param cls NULL
+ */
static void
-my_destroy (void *cls)
-{
- int *ok = cls;
- GNUNET_assert (5 == *ok);
- *ok = 0; /* report success */
- /* this will cause us to terminate */
- GNUNET_SERVER_destroy (server);
-}
-
-
-static void
-task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+task (void *cls)
{
struct sockaddr_in sa;
- struct GNUNET_MessageHeader msg;
+ struct sockaddr *sap[2];
+ socklen_t slens[2];
- sched = tc->sched;
+ 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 (tc->sched,
- NULL,
- NULL,
- (const struct sockaddr *) &sa,
- sizeof (sa),
- 1024,
- GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_MILLISECONDS, 250),
- GNUNET_NO);
+ server = GNUNET_SERVER_create (NULL, NULL,
+ sap, slens,
+ TIMEOUT, GNUNET_NO);
GNUNET_assert (server != NULL);
- handlers[0].callback_cls = cls;
- handlers[1].callback_cls = cls;
GNUNET_SERVER_add_handlers (server, handlers);
- msg.type = htons (MY_TYPE);
- msg.size = htons (sizeof (msg));
- GNUNET_SERVER_inject (server, NULL, &msg);
- memset (&msg, 0, sizeof (msg));
+ cfg = GNUNET_CONFIGURATION_create ();
+ GNUNET_CONFIGURATION_set_value_number (cfg,
+ "test-server",
+ "PORT",
+ PORT);
+ GNUNET_CONFIGURATION_set_value_string (cfg,
+ "test-server",
+ "HOSTNAME",
+ "localhost");
+ GNUNET_CONFIGURATION_set_value_string (cfg,
+ "resolver",
+ "HOSTNAME",
+ "localhost");
+ cc = GNUNET_CLIENT_connect ("test-server", cfg);
+ GNUNET_assert (cc != NULL);
+ GNUNET_assert (NULL !=
+ GNUNET_CLIENT_notify_transmit_ready (cc,
+ sizeof (struct
+ GNUNET_MessageHeader),
+ TIMEOUT, GNUNET_YES,
+ &transmit_initial_message,
+ NULL));
}
/**
- * Main method, starts scheduler with task1,
- * checks that "ok" is correct at the end.
+ * Runs the test.
+ *
+ * @param argc length of @a argv
+ * @param argv command line arguments (ignored)
+ * @return 0 on success, otherwise phase of failure
*/
-static int
-check ()
+int
+main (int argc, char *argv[])
{
- int ok;
-
+ GNUNET_log_setup ("test_server",
+ "WARNING",
+ NULL);
ok = 1;
GNUNET_SCHEDULER_run (&task, &ok);
return ok;
}
-
-int
-main (int argc, char *argv[])
-{
- int ret = 0;
-
- GNUNET_log_setup ("test_server", "WARNING", NULL);
- ret += check ();
-
- return ret;
-}
-
/* end of test_server.c */
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