syndilights/open-lighting-architecture/ola-0.8.4/olad/OlaDaemon.cpp

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2010-10-31 17:32:25 +01:00
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* OlaDaemon.cpp
* This is the main ola daemon
* Copyright (C) 2005-2008 Simon Newton
*/
#include <stdio.h>
#include <string.h>
#include <vector>
#include "config.h"
#include "ola/ExportMap.h"
#include "olad/DynamicPluginLoader.h"
#include "olad/OlaDaemon.h"
#include "olad/OlaServerServiceImpl.h"
#include "olad/PluginLoader.h"
#include "olad/Preferences.h"
namespace ola {
using ola::network::TcpAcceptingSocket;
using ola::network::AcceptingSocket;
using ola::network::SelectServer;
const char OlaDaemon::K_RPC_PORT_VAR[] = "rpc-port";
/*
* Create a new OlaDaemon
* @param PluginLoader what to use to access the plugins
*/
OlaDaemon::OlaDaemon(const ola_server_options &options,
ExportMap *export_map,
unsigned int rpc_port)
: m_ss(NULL),
m_server(NULL),
m_preferences_factory(NULL),
m_accepting_socket(NULL),
m_service_factory(NULL),
m_options(options),
m_export_map(export_map),
m_rpc_port(rpc_port) {
if (m_export_map) {
IntegerVariable *var = m_export_map->GetIntegerVar(K_RPC_PORT_VAR);
var->Set(rpc_port);
}
}
/*
* Destroy this object
*
*/
OlaDaemon::~OlaDaemon() {
Shutdown();
}
/*
* Initialise this object
* @return true on success, false on failure
*/
bool OlaDaemon::Init() {
if (m_server || m_service_factory || m_preferences_factory ||
m_accepting_socket || m_server)
return false;
m_ss = new SelectServer(m_export_map);
m_service_factory = new OlaServerServiceImplFactory();
// Order is important here as we won't load the same plugin twice.
m_plugin_loaders.push_back(new DynamicPluginLoader());
m_preferences_factory = new FileBackedPreferencesFactory();
m_accepting_socket = new TcpAcceptingSocket("127.0.0.1", m_rpc_port);
m_server = new OlaServer(m_service_factory,
m_plugin_loaders,
m_preferences_factory,
m_ss,
&m_options,
m_accepting_socket,
m_export_map);
return m_server->Init();
}
/*
* Shutdown the daemon
*/
void OlaDaemon::Shutdown() {
if (m_server)
delete m_server;
if (m_service_factory)
delete m_service_factory;
if (m_preferences_factory)
delete m_preferences_factory;
if (m_ss)
delete m_ss;
if (m_accepting_socket)
delete m_accepting_socket;
m_accepting_socket = NULL;
m_preferences_factory = NULL;
m_server = NULL;
m_service_factory = NULL;
m_ss = NULL;
vector<PluginLoader*>::iterator iter;
for (iter = m_plugin_loaders.begin(); iter != m_plugin_loaders.end(); ++iter)
delete *iter;
m_plugin_loaders.clear();
}
/*
* Run the daemon
*/
void OlaDaemon::Run() {
if (m_ss)
m_ss->Run();
}
/*
* Stop the daemon
*/
void OlaDaemon::Terminate() {
if (m_ss)
m_ss->Terminate();
}
/*
* Reload plugins
*/
void OlaDaemon::ReloadPlugins() {
if (m_server)
m_server->ReloadPlugins();
}
} // ola