mirror of
https://github.com/OpenNebula/one.git
synced 2024-12-23 17:33:56 +03:00
125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/* -------------------------------------------------------------------------- */
|
|
/* Copyright 2002-2015, OpenNebula Project, OpenNebula Systems */
|
|
/* */
|
|
/* 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 HOOK_MANAGER_H_
|
|
#define HOOK_MANAGER_H_
|
|
|
|
#include "MadManager.h"
|
|
#include "ActionManager.h"
|
|
#include "HookManagerDriver.h"
|
|
#include "VirtualMachinePool.h"
|
|
|
|
using namespace std;
|
|
|
|
extern "C" void * hm_action_loop(void *arg);
|
|
|
|
class HookManager : public MadManager, public ActionListener
|
|
{
|
|
public:
|
|
|
|
HookManager(vector<const Attribute*>& _mads, VirtualMachinePool * _vmpool)
|
|
:MadManager(_mads),vmpool(_vmpool)
|
|
{
|
|
am.addListener(this);
|
|
};
|
|
|
|
~HookManager(){};
|
|
|
|
/**
|
|
* This functions starts the associated listener thread, and creates a
|
|
* new thread for the Hook Manager. This thread will wait in
|
|
* an action loop till it receives ACTION_FINALIZE.
|
|
* @return 0 on success.
|
|
*/
|
|
int start();
|
|
|
|
/**
|
|
* Gets the HookManager thread identification.
|
|
* @return pthread_t for the manager thread (that in the action loop).
|
|
*/
|
|
pthread_t get_thread_id() const
|
|
{
|
|
return hm_thread;
|
|
};
|
|
|
|
/**
|
|
*
|
|
*/
|
|
int load_mads(int uid=0);
|
|
|
|
/**
|
|
*
|
|
*/
|
|
void finalize()
|
|
{
|
|
am.trigger(ACTION_FINALIZE,0);
|
|
};
|
|
|
|
/**
|
|
* Returns a pointer to a Information Manager MAD. The driver is
|
|
* searched by its name and owned by oneadmin with uid=0.
|
|
* @param name of the driver
|
|
* @return the Hook driver owned by uid 0, with attribute "NAME" equal to
|
|
* name or 0 in not found
|
|
*/
|
|
const HookManagerDriver * get()
|
|
{
|
|
string name("NAME");
|
|
|
|
return static_cast<const HookManagerDriver *>
|
|
(MadManager::get(0,name,hook_driver_name));
|
|
};
|
|
|
|
private:
|
|
/**
|
|
* Generic name for the Hook driver
|
|
*/
|
|
static const char * hook_driver_name;
|
|
|
|
/**
|
|
* Pointer to the VirtualMachine Pool
|
|
*/
|
|
VirtualMachinePool * vmpool;
|
|
|
|
/**
|
|
* Thread id for the HookManager
|
|
*/
|
|
pthread_t hm_thread;
|
|
|
|
/**
|
|
* Action engine for the Manager
|
|
*/
|
|
ActionManager am;
|
|
|
|
/**
|
|
* Function to execute the Manager action loop method within a new pthread
|
|
* (requires C linkage)
|
|
*/
|
|
friend void * hm_action_loop(void *arg);
|
|
|
|
/**
|
|
* The action function executed when an action is triggered.
|
|
* @param action the name of the action
|
|
* @param arg arguments for the action function
|
|
*/
|
|
void do_action(
|
|
const string & action,
|
|
void * arg);
|
|
};
|
|
|
|
#endif /*HOOK_MANAGER_H*/
|
|
|