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+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * 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 __VOM_GBP_RULE_H__
+#define __VOM_GBP_RULE_H__
+
+#include <set>
+
+#include "vom/types.hpp"
+#include <vapi/gbp.api.vapi.h>
+namespace VOM {
+class gbp_rule
+{
+public:
+ /**
+ * Representation of next hop
+ */
+ struct next_hop_t
+ {
+ /**
+ * Constructor for next_hop_t
+ */
+ next_hop_t(const boost::asio::ip::address& ip,
+ const mac_address_t& mac,
+ uint32_t bd_id,
+ uint32_t rd_id);
+
+ /**
+ * default destructor
+ */
+ ~next_hop_t() = default;
+
+ /**
+ * convert to string
+ */
+ std::string to_string() const;
+
+ /**
+ * less-than operator
+ */
+ bool operator<(const next_hop_t& nh) const;
+
+ /**
+ * comparison operator (for testing)
+ */
+ bool operator==(const next_hop_t& nh) const;
+
+ /**
+ * get the IP address
+ */
+ const boost::asio::ip::address& getIp(void) const;
+
+ /**
+ * get the mac address
+ */
+ const mac_address_t& getMac(void) const;
+
+ /**
+ * get the bridge domain Id
+ */
+ const uint32_t getBdId(void) const;
+
+ /**
+ * get the route domain Id
+ */
+ const uint32_t getRdId(void) const;
+
+ private:
+ /**
+ * IP address for next hop
+ */
+ const boost::asio::ip::address m_ip;
+
+ /**
+ * mac address for interface lookup
+ */
+ const mac_address_t m_mac;
+
+ /**
+ * bridge domain in which redirected endpoints exist
+ */
+ const uint32_t m_bd_id;
+
+ /**
+ * route domain in which redirected endpoints exist
+ */
+ const uint32_t m_rd_id;
+ };
+
+ /**
+ * hash mode enum
+ */
+ struct hash_mode_t : public enum_base<hash_mode_t>
+ {
+ /**
+ * Flow Hash is calculated based on SRC IP
+ * in case of load balancing
+ */
+ const static hash_mode_t SRC_IP;
+
+ /**
+ * Flow hash is calculated based on DST IP
+ */
+ const static hash_mode_t DST_IP;
+
+ /**
+ * Flow hash is calculated based on SRC IP,
+ * DST IP and Protocol. SRC IP and DST IP
+ * addresses are sorted before hash such that
+ * a same hash is generated in both directions.
+ */
+ const static hash_mode_t SYMMETRIC;
+
+ /**
+ * create the hash mode from int value
+ */
+ static const hash_mode_t& from_int(vapi_enum_gbp_hash_mode i);
+
+ private:
+ hash_mode_t(int v, const std::string s);
+ };
+
+ /**
+ * unordered set of next hops
+ */
+ typedef std::set<next_hop_t> next_hops_t;
+
+ /**
+ * Representation of set of next hops and
+ * associated hash mode profile
+ */
+ struct next_hop_set_t
+ {
+ /**
+ * Constructor for next_hop_set_t
+ */
+ next_hop_set_t(const hash_mode_t& hm, next_hops_t& nhs);
+ next_hop_set_t(const hash_mode_t& hm = hash_mode_t::SYMMETRIC);
+
+ /**
+ * Destructor for next_hop_set_t
+ */
+ ~next_hop_set_t() = default;
+
+ /**
+ * convert to string
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator
+ */
+ bool operator==(const next_hop_set_t& nhs) const;
+
+ /**
+ * get the hash mode
+ */
+ const hash_mode_t& hash_mode(void) const;
+
+ /**
+ * get the set of next hops
+ */
+ const next_hops_t& next_hops(void) const;
+
+ private:
+ /**
+ * hash mode for this rule
+ */
+ const hash_mode_t m_hm;
+
+ /**
+ * set of next hops
+ */
+ const next_hops_t m_nhs;
+ };
+
+ /**
+ * ACL rule action enum
+ */
+ struct action_t : public enum_base<action_t>
+ {
+ /**
+ * Permit action
+ */
+ const static action_t PERMIT;
+
+ /**
+ * Deny action
+ */
+ const static action_t DENY;
+
+ /**
+ * Redirect action
+ */
+ const static action_t REDIRECT;
+
+ /**
+ * create the action from int value
+ */
+ static const action_t& from_int(vapi_enum_gbp_rule_action i);
+
+ private:
+ action_t(int v, const std::string s);
+ };
+
+ /**
+ * Construct a new object matching the desried state
+ */
+ gbp_rule(uint32_t priority, const next_hop_set_t& nhs, const action_t& a);
+ gbp_rule(uint32_t priority, const action_t& a);
+
+ /**
+ * Copy Constructor
+ */
+ gbp_rule(const gbp_rule& o) = default;
+
+ /**
+ * Destructor
+ */
+ ~gbp_rule() = default;
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * less-than operator
+ */
+ bool operator<(const gbp_rule& rule) const;
+
+ /**
+ * comparison operator (for testing)
+ */
+ bool operator==(const gbp_rule& rule) const;
+
+ /**
+ * Getters
+ */
+ const next_hop_set_t& nhs() const;
+ const action_t& action() const;
+
+private:
+ /**
+ * Priority. Used to sort the rules in a list in the order
+ * in which they are applied
+ */
+ uint32_t m_priority;
+
+ /**
+ * set of next hops along with hash mode profile
+ */
+ const next_hop_set_t m_nhs;
+
+ /**
+ * Action on match
+ */
+ const action_t m_action;
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: OFF
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif