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120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2019, OpenNebula Project, OpenNebula Systems */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
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/* not use this file except in compliance with the License. You may obtain */
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/* a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* -------------------------------------------------------------------------- */
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#ifndef IPAM_MANAGER_DRIVER_H_
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#define IPAM_MANAGER_DRIVER_H_
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#include <map>
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#include <string>
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#include <sstream>
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#include "Mad.h"
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//Forward definition of the IPAMManager Class
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class IPAMManager;
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/**
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* IPAMManagerDriver provides a base class to implement IPAM
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* Drivers. This class implements the protocol and recover functions
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* from the Mad interface.
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*/
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class IPAMManagerDriver : public Mad
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{
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public:
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IPAMManagerDriver(int uid, const std::map<string,string>& attrs, bool sudo,
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IPAMManager * _ipamm):Mad(uid,attrs,sudo), ipamm(_ipamm){};
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virtual ~IPAMManagerDriver(){};
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/**
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* Implements the IPAM Manager driver protocol.
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* @param message the string read from the driver
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*/
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void protocol(const string& message) const;
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/**
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* Re-starts the driver
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*/
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void recover();
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private:
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friend class IPAMManager;
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/**
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* The IPAMManager to notify results.
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*/
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IPAMManager * ipamm;
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/**
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* Register or requests a new AddressRange (network) into the IPAM
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*/
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void register_address_range(int id, const std::string& arg) const
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{
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send_message("REGISTER_ADDRESS_RANGE", id, arg);
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}
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/**
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* Unregister an AddressRange from the IPAM
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*/
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void unregister_address_range(int id, const std::string& arg) const
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{
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send_message("UNREGISTER_ADDRESS_RANGE", id, arg);
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}
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/**
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* Get a free address (or range)
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*/
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void get_address(int id, const std::string& arg) const
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{
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send_message("GET_ADDRESS", id, arg);
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}
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/**
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* Sets an address (or range) as used
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*/
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void allocate_address(int id, const std::string& arg) const
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{
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send_message("ALLOCATE_ADDRESS", id, arg);
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}
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/**
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* Free a previously requested or allocated address
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*/
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void free_address(int id, const std::string& arg) const
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{
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send_message("FREE_ADDRESS", id, arg);
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}
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/**
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* Sends a generic message to the IPAM driver
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*/
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void send_message(const char * name, int id, const std::string& arg) const
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{
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std::ostringstream os;
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os << name << " " << id << " " << arg << endl;
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write(os);
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}
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};
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/* -------------------------------------------------------------------------- */
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/* -------------------------------------------------------------------------- */
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#endif /*IPAM_MANAGER_DRIVER_H_*/
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