1 files changed, 78 insertions, 0 deletions
diff --git a/src/nse/nse.h b/src/nse/nse.h
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+++ b/src/nse/nse.h
@@ -0,0 +1,78 @@
+/*
+     This file is part of GNUnet.
+     (C) 2001-2011 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.
+*/
+
+/**
+ * @author Nathan Evans
+ * @file nse/nse.h
+ *
+ * @brief Common type definitions for the network size estimation
+ *        service and API.
+ */
+#ifndef NSE_H
+#define NSE_H
+
+#include "gnunet_common.h"
+
+/**
+ * Generate debug-level log messages?
+ */
+#define DEBUG_NSE GNUNET_EXTRA_LOGGING
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * Network size estimate sent from the service
+ * to clients.  Contains the current size estimate
+ * (or 0 if none has been calculated) and the
+ * standard deviation of known estimates.
+ *
+ */
+struct GNUNET_NSE_ClientMessage
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_NSE_ESTIMATE
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * For alignment.
+   */
+  uint32_t reserved GNUNET_PACKED;
+
+  /**
+   * Timestamp at which the server received the message.
+   */
+  struct GNUNET_TIME_AbsoluteNBO timestamp;
+
+  /**
+   * The current estimated network size.
+   */
+  double size_estimate GNUNET_PACKED;
+
+  /**
+   * The standard deviation (rounded down
+   * to the nearest integer) of size
+   * estimations.
+   */
+  double std_deviation GNUNET_PACKED;
+};
+GNUNET_NETWORK_STRUCT_END
+
+#endif