d2_process.h

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// Copyright (C) 2013-2019 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 D2_PROCESS_H
#define D2_PROCESS_H
 
#include <d2/d2_queue_mgr.h>
#include <d2/d2_update_mgr.h>
#include <process/d_process.h>
 
namespace isc {
namespace d2 {
 
class D2Process : public process::DProcessBase {
public:
 
    enum ShutdownType {
      SD_NORMAL,
      SD_DRAIN_FIRST,
      SD_NOW
    };
 
    static const unsigned int QUEUE_RESTART_PERCENT;
 
    D2Process(const char* name, const asiolink::IOServicePtr& io_service);
 
    virtual void init();
 
    virtual void run();
 
    virtual isc::data::ConstElementPtr shutdown(isc::data::ConstElementPtr args);
 
    virtual isc::data::ConstElementPtr configure(isc::data::ConstElementPtr config_set,
                                                 bool check_only = false);
 
    virtual ~D2Process();
 
protected:
    virtual void checkQueueStatus();
 
    virtual void reconfigureQueueMgr();
 
    virtual size_t runIO();
 
    virtual bool canShutdown() const;
 
    void setReconfQueueFlag(const bool value) {
        reconf_queue_flag_ = value;
    }
 
    void setShutdownType(const ShutdownType& value) {
        shutdown_type_ = value;
    }
 
    void reconfigureCommandChannel();
 
public:
    D2CfgMgrPtr getD2CfgMgr();
 
    const D2QueueMgrPtr& getD2QueueMgr() const {
        return (queue_mgr_);
    }
 
    const D2UpdateMgrPtr& getD2UpdateMgr() const {
        return (update_mgr_);
    }
 
    bool getReconfQueueFlag() const {
        return (reconf_queue_flag_);
    }
 
    ShutdownType getShutdownType() const {
        return (shutdown_type_);
    }
 
    static const char* getShutdownTypeStr(const ShutdownType& type);
 
private:
    D2QueueMgrPtr queue_mgr_;
 
    D2UpdateMgrPtr update_mgr_;
 
    bool reconf_queue_flag_;
 
    ShutdownType shutdown_type_;
 
    isc::data::ConstElementPtr current_control_socket_;
 
};
 
typedef boost::shared_ptr<D2Process> D2ProcessPtr;
 
} // namespace isc::d2
} // namespace isc
 
#endif