cfg_hosts.h

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// Copyright (C) 2014-2018 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
#ifndef CFG_HOSTS_H
#define CFG_HOSTS_H
 
#include <asiolink/io_address.h>
#include <cc/cfg_to_element.h>
#include <dhcpsrv/base_host_data_source.h>
#include <dhcpsrv/host.h>
#include <dhcpsrv/host_container.h>
#include <dhcpsrv/subnet_id.h>
#include <dhcpsrv/writable_host_data_source.h>
#include <boost/shared_ptr.hpp>
#include <vector>
 
namespace isc {
namespace dhcp {
 
class CfgHosts : public BaseHostDataSource, public WritableHostDataSource,
                 public isc::data::CfgToElement {
public:
 
    virtual ~CfgHosts() { }
 
    virtual ConstHostCollection
    getAll(const Host::IdentifierType& identifier_type,
           const uint8_t* identifier_begin, const size_t identifier_len) const;
 
    virtual HostCollection
    getAll(const Host::IdentifierType& identifier_type,
           const uint8_t* identifier_begin,
           const size_t identifier_len);
 
    virtual ConstHostCollection
    getAll4(const asiolink::IOAddress& address) const;
 
    virtual HostCollection
    getAll4(const asiolink::IOAddress& address);
 
    virtual ConstHostCollection
    getAll6(const asiolink::IOAddress& address) const;
 
    virtual HostCollection
    getAll6(const asiolink::IOAddress& address);
 
    virtual ConstHostPtr
    get4(const SubnetID& subnet_id, const Host::IdentifierType& identifier_type,
         const uint8_t* identifier_begin, const size_t identifier_len) const;
 
    virtual HostPtr
    get4(const SubnetID& subnet_id, const Host::IdentifierType& identifier_type,
         const uint8_t* identifier_begin, const size_t identifier_len);
 
    virtual ConstHostPtr
    get4(const SubnetID& subnet_id, const asiolink::IOAddress& address) const;
 
    virtual ConstHostPtr
    get6(const SubnetID& subnet_id, const Host::IdentifierType& identifier_type,
         const uint8_t* identifier_begin, const size_t identifier_len) const;
 
    virtual HostPtr
    get6(const SubnetID& subnet_id, const Host::IdentifierType& identifier_type,
         const uint8_t* identifier_begin, const size_t identifier_len);
 
    virtual ConstHostPtr
    get6(const asiolink::IOAddress& prefix, const uint8_t prefix_len) const;
 
    virtual HostPtr
    get6(const asiolink::IOAddress& prefix, const uint8_t prefix_len);
 
    virtual ConstHostPtr
    get6(const SubnetID& subnet_id, const asiolink::IOAddress& address) const;
 
    virtual HostPtr
    get6(const SubnetID& subnet_id, const asiolink::IOAddress& address);
 
    virtual void add(const HostPtr& host);
 
    virtual bool del(const SubnetID& subnet_id, const asiolink::IOAddress& addr);
 
    virtual size_t delAll4(const SubnetID& subnet_id);
 
    virtual bool del4(const SubnetID& subnet_id,
                      const Host::IdentifierType& identifier_type,
                      const uint8_t* identifier_begin, const size_t identifier_len);
 
    virtual size_t delAll6(const SubnetID& subnet_id);
 
    virtual bool del6(const SubnetID& subnet_id,
                      const Host::IdentifierType& identifier_type,
                      const uint8_t* identifier_begin, const size_t identifier_len);
 
    virtual std::string getType() const {
        return (std::string("configuration file"));
    }
 
    isc::data::ElementPtr toElement() const;
 
private:
 
    template<typename Storage>
    void getAllInternal(const Host::IdentifierType& identifier_type,
                        const uint8_t* identifier,
                        const size_t identifier_len,
                        Storage& storage) const;
 
    template<typename Storage>
    void getAllInternal4(const asiolink::IOAddress& address,
                         Storage& storage) const;
 
    template<typename Storage>
    void getAllInternal6(const asiolink::IOAddress& address,
                         Storage& storage) const;
 
 
    template<typename Storage>
    void
    getAllInternal6(const SubnetID& subnet_id,
                    const asiolink::IOAddress& address,
                    Storage& storage) const;
 
    HostPtr
    getHostInternal(const SubnetID& subnet_id, const bool subnet6,
                    const Host::IdentifierType& identifier_type,
                    const uint8_t* identifier,
                    const size_t identifier_len) const;
 
    template<typename ReturnType, typename Storage>
    ReturnType getHostInternal6(const SubnetID& subnet_id,
                                const asiolink::IOAddress& address) const;
 
    template<typename ReturnType>
    ReturnType getHostInternal6(const asiolink::IOAddress& prefix,
                                const uint8_t prefix_len) const;
 
    virtual void add4(const HostPtr& host);
 
    virtual void add6(const HostPtr& host);
 
    HostContainer hosts_;
 
    HostContainer6 hosts6_;
 
    isc::data::ElementPtr toElement4() const;
 
    isc::data::ElementPtr toElement6() const;
};
 
 
typedef boost::shared_ptr<CfgHosts> CfgHostsPtr;
 
typedef boost::shared_ptr<const CfgHosts> ConstCfgHostsPtr;
 
 
}
}
 
#endif // CFG_HOSTS_H