-skeleton for the fsprofiler daemon

1 files changed, 179 insertions, 0 deletions

diff --git a/src/fs/gnunet-daemon-fsprofiler.c b/src/fs/gnunet-daemon-fsprofiler.c
new file mode 100644
index 000000000..fa9bfd3b2
--- /dev/null
+++ b/src/fs/gnunet-daemon-fsprofiler.c
@@ -0,0 +1,179 @@
+/*
+     This file is part of GNUnet.
+     (C) 2012 Christian Grothoff
+
+     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 fs/gnunet-daemon-fsprofiler.c
+ * @brief daemon that publishes and downloads (random) files
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_fs_service.h"
+#include "gnunet_statistics_service.h"
+
+/**
+ * Return value from 'main'.
+ */
+static int global_ret;
+
+/**
+ * Configuration we use.
+ */
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Handle to the statistics service.
+ */
+static struct GNUNET_STATISTICS_Handle *stats_handle;
+
+/**
+ * Peer's FS handle.
+ */
+static struct GNUNET_FS_Handle *fs_handle;
+
+/**
+ * Unique number for this peer in the testbed.
+ */
+static unsigned long long my_peerid;
+
+
+
+
+
+/**
+ * Task run during shutdown.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (NULL != fs_handle)
+  {
+    GNUNET_FS_stop (fs_handle);
+    fs_handle = NULL;
+  }
+
+  if (NULL != stats_handle)
+  {
+    GNUNET_STATISTICS_destroy (stats_handle, GNUNET_YES);
+    stats_handle = NULL;
+  }
+}
+
+
+/**
+ * Notification of FS to a client about the progress of an
+ * operation.  Callbacks of this type will be used for uploads,
+ * downloads and searches.  Some of the arguments depend a bit
+ * in their meaning on the context in which the callback is used.
+ *
+ * @param cls closure
+ * @param info details about the event, specifying the event type
+ *        and various bits about the event
+ * @return client-context (for the next progress call
+ *         for this operation; should be set to NULL for
+ *         SUSPEND and STOPPED events).  The value returned
+ *         will be passed to future callbacks in the respective
+ *         field in the GNUNET_FS_ProgressInfo struct.
+ */
+static void *
+progress_cb (void *cls,
+             const struct GNUNET_FS_ProgressInfo *info)
+{
+  return NULL;
+}
+
+
+/**
+ * @brief Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param cfg_ configuration
+ */
+static void
+run (void *cls, char *const *args GNUNET_UNUSED,
+     const char *cfgfile GNUNET_UNUSED,
+     const struct GNUNET_CONFIGURATION_Handle *cfg_)
+{
+  cfg = cfg_;
+  /* Scheduled the task to clean up when shutdown is called */
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+                                NULL);
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_number (cfg, 
+                                             "TESTBED", "PEERID",
+                                             &my_peerid))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "TESTBED", "PEERID");
+    global_ret = GNUNET_SYSERR;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+
+  stats_handle = GNUNET_STATISTICS_create ("fsprofiler", cfg);
+  fs_handle =
+    GNUNET_FS_start (cfg,
+                     "fsprofiler",
+                     &progress_cb, NULL,
+                     GNUNET_FS_FLAGS_NONE,
+                     GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM, 1,
+                     GNUNET_FS_OPTIONS_REQUEST_PARALLELISM, 1,
+                     GNUNET_FS_OPTIONS_END);
+
+  if (NULL == fs_handle)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not acquire FS handle. Exiting.\n");
+    global_ret = GNUNET_SYSERR;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+
+}
+
+
+/**
+ * Program that performs various "random" FS activities.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+  return (GNUNET_OK ==
+          GNUNET_PROGRAM_run (argc, argv, "gnunet-daemon-fsprofiler",
+                              gettext_noop
+                              ("Daemon to use file-sharing to measure its performance."),
+                              options, &run, NULL)) ? global_ret : 1;
+}
+
+/* end of gnunet-daemon-fsprofiler.c */