--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/prophet/Params.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,122 @@
+/*
+ *    Copyright 2007 Baylor University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#ifndef _PROPHET_PARAMS_H_
+#define _PROPHET_PARAMS_H_
+
+#include <sys/types.h>
+#include "Node.h"
+#include "FwdStrategy.h"
+#include "QueuePolicy.h"
+
+namespace prophet
+{
+
+/**
+ * Tunable parameter struct for setting global default values
+ * for various Prophet algorithms
+ */
+class ProphetParams : public NodeParams
+{
+public:
+    /**
+     * Time between HELLO beacons (in 100ms units)
+     */
+    static const u_int8_t HELLO_INTERVAL = 20; ///< 2 sec (arbitrary)
+
+    /**
+     * Max units of HELLO_INTERVAL before peer is considered unreachable
+     */
+    static const u_int HELLO_DEAD     = 20; ///< 40 sec (arbitrary)
+
+    /**
+     * Max times to forward a bundle for GTMX
+     */
+    static const u_int DEFAULT_NUM_F_MAX = 5; ///< arbitrary
+
+    /**
+     * Min times to forward a bundle for LEPR
+     */
+    static const u_int DEFAULT_NUM_F_MIN = 3; ///< arbitrary
+
+    /**
+     * Seconds between aging of nodes and Prophet ACKs
+     */
+    static const u_int AGE_PERIOD = 180; ///< 3 min (arbitrary)
+
+    /**
+     * Current version of the protocol
+     */
+    static const u_int8_t PROPHET_VERSION = 0x01;
+
+    /**
+     * Maximum number of routes to retain (not specified by I-D)
+     */
+    static const u_int MAX_TABLE_SIZE = 1024;
+
+    /**
+     * Constructor. Default values are defined in Prophet.h
+     */
+    ProphetParams()
+        : NodeParams(),
+          fs_(FwdStrategy::GRTR),
+          qp_(QueuePolicy::FIFO),
+          hello_interval_(HELLO_INTERVAL),
+          hello_dead_(HELLO_DEAD),
+          max_forward_(DEFAULT_NUM_F_MAX),
+          min_forward_(DEFAULT_NUM_F_MIN),
+          age_period_(AGE_PERIOD),
+          max_table_size_(MAX_TABLE_SIZE),
+          epsilon_(0.0039), // min value using 1/255
+          relay_node_(true),
+          internet_gw_(false) // not implemented
+    {}
+
+    ///@{ Accessors
+    FwdStrategy::fwd_strategy_t fs() const { return fs_; }
+    QueuePolicy::q_policy_t     qp() const { return qp_; }
+    u_int8_t hello_interval() const { return hello_interval_; }
+    u_int    hello_dead() const { return hello_dead_; }
+    u_int    max_forward() const { return max_forward_; }
+    u_int    min_forward() const { return min_forward_; }
+    u_int    age_period() const { return age_period_; }
+    double   epsilon() const { return epsilon_; }
+    bool relay_node() const { return relay_node_; }
+    bool internet_gw() const { return internet_gw_; }
+    ///@}
+
+    FwdStrategy::fwd_strategy_t fs_; ///< bundle forwarding strategy
+    QueuePolicy::q_policy_t     qp_; ///< bundle queuing policy
+
+    u_int8_t hello_interval_; ///< delay between HELLO beacons (100ms units)
+    u_int    hello_dead_;     ///< hello_interval's before giving up on peer
+
+    u_int    max_forward_; ///< max times to forward bundle using GTMX
+    u_int    min_forward_; ///< min times to forward bundle before LEPR drops
+
+    u_int    age_period_; ///< seconds between applying age algorithm
+
+    u_int    max_table_size_; ///< max number of routes to retain
+
+    double   epsilon_;    ///< minimum predictability before dropping route
+
+    bool relay_node_; ///< whether this node accepts bundles to relay to peers
+    bool internet_gw_; ///< not implemented; whether node bridges to Internet
+};
+
+}; // namespace prophet
+
+#endif // _PROPHET_PARAMS_H_