squawk/core/components/clientcache.cpp

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// Squawk messenger.
// Copyright (C) 2019 Yury Gubich <blue@macaw.me>
//
// 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 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "clientcache.h"
#include <QDebug>
Core::ClientCache::ClientCache():
db("clients"),
cache(db.addCache<QString, Shared::ClientInfo>("info")),
requested(),
specific()
{
db.open();
}
Core::ClientCache::~ClientCache() {
db.close();
}
void Core::ClientCache::open() {
db.open();}
void Core::ClientCache::close() {
db.close();}
bool Core::ClientCache::checkClient(const QString& node, const QString& ver, const QString& hash) {
QString id = node + "/" + ver;
if (requested.count(id) == 0 && !cache->checkRecord(id)) {
Shared::ClientInfo& info = requested.insert(std::make_pair(id, Shared::ClientInfo())).first->second;
info.node = node;
info.verification = ver;
info.hash = hash;
emit requestClientInfo(id);
return false;
}
return true;
}
bool Core::ClientCache::registerClientInfo (
const QString& sourceFullJid,
const QString& id,
const std::set<Shared::Identity>& identities,
const std::set<QString>& features)
{
std::map<QString, Shared::ClientInfo>::iterator itr = requested.find(id);
if (itr != requested.end()) {
Shared::ClientInfo& info = itr->second;
info.identities = identities;
info.extensions = features;
bool valid = info.valid();
if (valid) {
cache->addRecord(id, info);
} else {
info.specificPresence = sourceFullJid;
specific.insert(std::make_pair(sourceFullJid, info));
}
requested.erase(id);
return valid;
} else {
return false;
}
}