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one/include/RequestManager.h

150 lines
4.1 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2011, OpenNebula Project Leads (OpenNebula.org) */
/* */
/* 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 REQUEST_MANAGER_H_
#define REQUEST_MANAGER_H_
#include "ActionManager.h"
#include "VirtualMachinePool.h"
#include "HostPool.h"
#include "UserPool.h"
#include "VirtualNetworkPool.h"
#include "ImagePool.h"
#include "ClusterPool.h"
#include "VMTemplatePool.h"
#include "GroupPool.h"
#include <xmlrpc-c/base.hpp>
#include <xmlrpc-c/registry.hpp>
#include <xmlrpc-c/server_abyss.hpp>
using namespace std;
extern "C" void * rm_action_loop(void *arg);
extern "C" void * rm_xml_server_loop(void *arg);
class RequestManager : public ActionListener
{
public:
RequestManager(int _port, const string _xml_log_file)
:port(_port), socket_fd(-1), xml_log_file(_xml_log_file)
{
am.addListener(this);
};
~RequestManager(){};
/**
* This functions starts the associated listener thread (XML server), and
* creates a new thread for the Request Manager. This thread will wait in
* an action loop till it receives ACTION_FINALIZE.
* @return 0 on success.
*/
int start();
/**
* Gets the thread identification.
* @return pthread_t for the manager thread (that in the action loop).
*/
pthread_t get_thread_id() const
{
return rm_thread;
};
/**
*
*/
void finalize()
{
am.trigger(ACTION_FINALIZE,0);
};
private:
//--------------------------------------------------------------------------
// Friends, thread functions require C-linkage
//--------------------------------------------------------------------------
friend void * rm_xml_server_loop(void *arg);
friend void * rm_action_loop(void *arg);
/**
* Thread id for the RequestManager
*/
pthread_t rm_thread;
/**
* Thread id for the XML Server
*/
pthread_t rm_xml_server_thread;
/**
* Port number where the connection will be open
*/
int port;
/*
* FD for the XML server socket
*/
int socket_fd;
/**
* Filename for the log of the xmlrpc server that listens
*/
string xml_log_file;
/**
* Action engine for the Manager
*/
ActionManager am;
/**
* To register XML-RPC methods
*/
xmlrpc_c::registry RequestManagerRegistry;
/**
* The XML-RPC server
*/
xmlrpc_c::serverAbyss * AbyssServer;
/**
* 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);
/**
* Register the XML-RPC API Calls
*/
void register_xml_methods();
int setup_socket();
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif