/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009 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 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ 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.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- 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.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
- * @file include/gnunet_constants.h
- * @brief "global" constants for performance tuning
* @author Christian Grothoff
+ *
+ * @file
+ * Global constants for performance tuning
+ *
+ * @defgroup constants Constant definitions
+ * Global constants for performance tuning
+ * @{
*/
#ifndef GNUNET_CONSTANTS_H
#endif
#endif
-/**
- * Last resort choice for configuration file name.
- */
-#define GNUNET_DEFAULT_USER_CONFIG_FILE "~/.config/gnunet.conf"
+
/**
* Bandwidth (in/out) to assume initially (before either peer has
*/
#define GNUNET_CONSTANTS_MAX_CORK_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
+/**
+ * After what amount of latency for a message do we print a warning?
+ */
+#define GNUNET_CONSTANTS_LATENCY_WARN GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
+
/**
* Until which load do we consider the peer overly idle
* (which means that we would like to use more resources).<p>
/**
- * After how long do we expire an address in a HELLO that we just
- * validated? This value is also used for our own addresses when we
- * create a HELLO.
+ * How long do we cache records at most in the DHT?
*/
#define GNUNET_CONSTANTS_DHT_MAX_EXPIRATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 24)
/**
- * Size of the 'struct EncryptedMessage' of the core (which
+ * Size of the `struct EncryptedMessage` of the core (which
* is the per-message overhead of the core).
*/
#define GNUNET_CONSTANTS_CORE_SIZE_ENCRYPTED_MESSAGE (24 + sizeof (struct GNUNET_HashCode))
* Set to a value close to 64k but not so close that transports will
* have trouble with their headers.
*
- * Could theoretically be 64k minus (GNUNET_CONSTANTS_CORE_SIZE_ENCRYPTED_MESSAGE +
- * GNUNET_CONSTANTS_TRANSPORT_SIZE_OUTBOUND_MESSAGE), but we're going
+ * Could theoretically be 64k minus (#GNUNET_CONSTANTS_CORE_SIZE_ENCRYPTED_MESSAGE +
+ * #GNUNET_CONSTANTS_TRANSPORT_SIZE_OUTBOUND_MESSAGE), but we're going
* to be more conservative for now.
*/
#define GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE (63 * 1024)
+/**
+ * Size of the CADET message overhead:
+ * = sizeof (struct GNUNET_CADET_TunnelEncryptedMessage)
+ * + sizeof (struct GNUNET_CADET_ChannelAppDataMessage)
+ * + sizeof (struct GNUNET_CADET_ConnectionEncryptedAckMessage))
+ *
+ * Checked for correcteness in gnunet-service-cadet_tunnel.c: GCT_init().
+ */
+#define GNUNET_CONSTANTS_CADET_P2P_OVERHEAD 164
+
+/**
+ * Maximum message size that can be sent on CADET.
+ */
+#define GNUNET_CONSTANTS_MAX_CADET_MESSAGE_SIZE \
+(GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE - GNUNET_CONSTANTS_CADET_P2P_OVERHEAD)
+
/**
* Largest block that can be stored in the DHT.
*/
#endif
#endif
+
+/** @} */ /* end of group */