1 files changed, 209 insertions, 0 deletions

diff --git a/src/util/test_network.c b/src/util/test_network.c
new file mode 100644
index 000000000..377ec836f
--- /dev/null
+++ b/src/util/test_network.c
@@ -0,0 +1,209 @@
+/*
+     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 2, 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_network.c
+ * @brief tests for network.c
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_network_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_time_lib.h"
+
+#define VERBOSE GNUNET_NO
+
+#define PORT 12435
+
+
+static struct GNUNET_NETWORK_SocketHandle *csock;
+
+static struct GNUNET_NETWORK_SocketHandle *asock;
+
+static struct GNUNET_NETWORK_SocketHandle *lsock;
+
+static size_t sofar;
+
+static int ls;
+
+
+
+/**
+ * Create and initialize a listen socket for the server.
+ *
+ * @return -1 on error, otherwise the listen socket
+ */
+static int
+open_listen_socket ()
+{
+  const static int on = 1;
+  struct sockaddr_in sa;
+  int fd;
+
+  memset (&sa, 0, sizeof (sa));
+  sa.sin_port = htons (PORT);
+  fd = SOCKET (AF_INET, SOCK_STREAM, 0);
+  GNUNET_assert (fd >= 0);
+  if (SETSOCKOPT (fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) < 0)
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+                "setsockopt");
+  GNUNET_assert (BIND (fd, &sa, sizeof (sa)) >= 0);
+  LISTEN (fd, 5);
+  return fd;
+}
+
+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_NETWORK_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_NETWORK_socket_destroy (asock);
+    }
+}
+
+
+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_NETWORK_socket_create_from_accept (tc->sched,
+                                                    NULL, NULL, ls, 1024);
+  GNUNET_assert (asock != NULL);
+  GNUNET_assert (GNUNET_YES == GNUNET_NETWORK_socket_check (asock));
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test destroys listen socket\n");
+#endif
+  GNUNET_NETWORK_socket_destroy (lsock);
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Test asks to receive on accepted socket\n");
+#endif
+  GNUNET_NETWORK_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");
+  return 12;
+}
+
+static void
+task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  ls = open_listen_socket ();
+  lsock = GNUNET_NETWORK_socket_create_from_existing (tc->sched, ls, 0);
+  GNUNET_assert (lsock != NULL);
+  csock = GNUNET_NETWORK_socket_create_from_connect (tc->sched,
+                                                     "localhost", PORT, 1024);
+  GNUNET_assert (csock != NULL);
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test asks for write notification\n");
+#endif
+  GNUNET_assert (NULL !=
+                 GNUNET_NETWORK_notify_transmit_ready (csock,
+                                                       12,
+                                                       GNUNET_TIME_UNIT_SECONDS,
+                                                       &make_hello, NULL));
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test destroys client socket\n");
+#endif
+  GNUNET_NETWORK_socket_destroy (csock);
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test prepares to accept\n");
+#endif
+  GNUNET_SCHEDULER_add_read (tc->sched,
+                             GNUNET_NO,
+                             GNUNET_SCHEDULER_PRIORITY_HIGH,
+                             GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
+                             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;
+  GNUNET_SCHEDULER_run (&task, &ok);
+  return ok;
+}
+
+
+
+int
+main (int argc, char *argv[])
+{
+  int ret = 0;
+
+  GNUNET_log_setup ("test_network",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ret += check ();
+  return ret;
+}
+
+/* end of test_network.c */