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/*
* InformationManager.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "InformationManager.h"
#include "Application.h"
#include "Requests/DaemonListRequest.h"
#include <Common/RequestManager.h>
namespace Mad {
namespace Client {
void InformationManager::DaemonStateUpdateRequestHandler::handleRequest(boost::shared_ptr<const Common::XmlPacket> packet, Common::XmlPacket *ret) {
// TODO Require authentication
InformationManager *informationManager = dynamic_cast<Application&>(*getApplication()).getInformationManager();
{
boost::lock_guard<boost::mutex> lock(informationManager->mutex);
std::map<std::string, Common::HostInfo>::iterator host = informationManager->daemons.find(packet->get<const std::string&>("name"));
if(host != informationManager->daemons.end())
host->second.setState(packet->get<Common::HostInfo::State>("state"));
else
getApplication()->log(Core::LoggerBase::WARNING, "Received a state update for an unknown host.");
}
ret->setType("OK");
}
InformationManager::InformationManager(Application *application0) : application(application0), updating(false) {
application->getRequestManager()->registerPacketType<DaemonStateUpdateRequestHandler>("UpdateHostState");
}
InformationManager::~InformationManager() {
application->getRequestManager()->unregisterPacketType("UpdateHostState");
}
void InformationManager::updateDaemonList(Common::Connection *con) {
boost::lock_guard<boost::mutex> lock(mutex);
if(updating)
return;
updateRequest = boost::shared_ptr<Requests::DaemonListRequest>(new Requests::DaemonListRequest(application));
updateRequest->connectSignalFinished(boost::bind(&InformationManager::daemonListRequestFinished, this, _1, _2));
application->getRequestManager()->sendRequest(con, updateRequest);
updating = true;
}
void InformationManager::daemonListRequestFinished(boost::shared_ptr<const Common::XmlPacket> packet, Core::Exception error) {
boost::lock_guard<boost::mutex> lock(mutex);
if(!packet || error) {
application->logf(Core::LoggerBase::CRITICAL, "Host list request failed: %s", error.strerror().c_str());
}
else {
const Common::XmlPacket::List *list = packet->getList("hosts");
daemons.clear();
if(list) {
for(Common::XmlPacket::List::const_iterator entry = list->begin(); entry != list->end(); ++entry) {
Common::HostInfo info;
info.setName(entry->get<const std::string&>("name"));
info.setIP(entry->get<const std::string&>("address"));
info.setState(entry->get<Common::HostInfo::State>("state"));
daemons.insert(std::make_pair(info.getName(), info));
}
}
}
updating = false;
}
}
}
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