packet_interface.h

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/*
 * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
 */

#ifndef vnsw_agent_packet_interface_hpp
#define vnsw_agent_packet_interface_hpp

// Implementation of Pkt Interface. Interface is used to exchange packets
// between vrouter to agent

struct PacketInterfaceData;

class PacketInterface : public Interface {
public:
    PacketInterface(const std::string &name);
    virtual ~PacketInterface();

    virtual bool CmpInterface(const DBEntry &rhs) const { return false; }

    std::string ToString() const { return "PKT <" + name() + ">"; }
    KeyPtr GetDBRequestKey() const;

    // Helper function to enqueue DBRequest to create a Pkt Interface
    static void CreateReq(InterfaceTable *table, const std::string &ifname,
                          Interface::Transport transport);
    static void Create(InterfaceTable *table, const std::string &ifname,
                       Interface::Transport transport);
    // Helper function to enqueue DBRequest to delete a Pkt Interface
    static void DeleteReq(InterfaceTable *table, const std::string &ifname);
    static void Delete(InterfaceTable *table, const std::string &ifname);
    void PostAdd();
    bool Delete(const DBRequest *req);
    bool OnChange(PacketInterfaceData *data);
    virtual void ObtainOsSpecificParams(const std::string &name, Agent *agent);

private:
    DISALLOW_COPY_AND_ASSIGN(PacketInterface);
};

struct PacketInterfaceKey : public InterfaceKey {
    PacketInterfaceKey(const boost::uuids::uuid &uuid,
                       const std::string &name) :
        InterfaceKey(AgentKey::ADD_DEL_CHANGE, Interface::PACKET, uuid, name,
                     false) {
    }

    virtual ~PacketInterfaceKey() {}

    Interface *AllocEntry(const InterfaceTable *table) const {
        return new PacketInterface(name_);
    }
    Interface *AllocEntry(const InterfaceTable *table,
                          const InterfaceData *data) const {
        return new PacketInterface(name_);
    }

    InterfaceKey *Clone() const {
        return new PacketInterfaceKey(*this);
    }
};

struct PacketInterfaceData : public InterfaceData {
    PacketInterfaceData(Interface::Transport transport) :
        InterfaceData(NULL, NULL, transport) {
        PktInit();
    }
};

#endif // vnsw_agent_packet_interface_hpp