HotfixHandler.cpp

Go to the documentation of this file.

/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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 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 "WorldSession.h"
#include "Containers.h"
#include "DB2Stores.h"
#include "GameTime.h"
#include "HotfixPackets.h"
#include "Log.h"
#include "Realm.h"
#include "World.h"
 
void WorldSession::HandleDBQueryBulk(WorldPackets::Hotfix::DBQueryBulk& dbQuery)
{
 DB2StorageBase const* store = sDB2Manager.GetStorage(dbQuery.TableHash);
 for (WorldPackets::Hotfix::DBQueryBulk::DBQueryRecord const& record : dbQuery.Queries)
 {
 WorldPackets::Hotfix::DBReply dbReply;
 dbReply.TableHash = dbQuery.TableHash;
 dbReply.RecordID = record.RecordID;
 
 if (store && store->HasRecord(record.RecordID))
 {
 dbReply.Status = DB2Manager::HotfixRecord::Status::Valid;
 dbReply.Timestamp = GameTime::GetGameTime();
 store->WriteRecord(record.RecordID, GetSessionDbcLocale(), dbReply.Data);
 
 if (std::vector<DB2Manager::HotfixOptionalData> const* optionalDataEntries = sDB2Manager.GetHotfixOptionalData(dbQuery.TableHash, record.RecordID, GetSessionDbcLocale()))
 {
 for (DB2Manager::HotfixOptionalData const& optionalData : *optionalDataEntries)
 {
 dbReply.Data << uint32(optionalData.Key);
 dbReply.Data.append(optionalData.Data.data(), optionalData.Data.size());
 }
 }
 }
 else
 {
 TC_LOG_TRACE("network", "CMSG_DB_QUERY_BULK: {} requested non-existing entry {} in datastore: {}", GetPlayerInfo(), record.RecordID, dbQuery.TableHash);
 dbReply.Timestamp = GameTime::GetGameTime();
 }
 
 SendPacket(dbReply.Write());
 }
}
 
void WorldSession::SendAvailableHotfixes()
{
 WorldPackets::Hotfix::AvailableHotfixes availableHotfixes;
 availableHotfixes.VirtualRealmAddress = realm.Id.GetAddress();
 
 for (auto const& [pushId, push] : sDB2Manager.GetHotfixData())
 {
 if (!(push.AvailableLocalesMask & (1 << GetSessionDbcLocale())))
 continue;
 
 availableHotfixes.Hotfixes.insert(push.Records.front().ID);
 }
 
 SendPacket(availableHotfixes.Write());
}
 
void WorldSession::HandleHotfixRequest(WorldPackets::Hotfix::HotfixRequest& hotfixQuery)
{
 DB2Manager::HotfixContainer const& hotfixes = sDB2Manager.GetHotfixData();
 WorldPackets::Hotfix::HotfixConnect hotfixQueryResponse;
 hotfixQueryResponse.Hotfixes.reserve(hotfixQuery.Hotfixes.size());
 for (int32 hotfixId : hotfixQuery.Hotfixes)
 {
 if (DB2Manager::HotfixPush const* hotfixRecords = Trinity::Containers::MapGetValuePtr(hotfixes, hotfixId))
 {
 for (DB2Manager::HotfixRecord const& hotfixRecord : hotfixRecords->Records)
 {
 if (!(hotfixRecord.AvailableLocalesMask & (1 << GetSessionDbcLocale())))
 continue;
 
 WorldPackets::Hotfix::HotfixConnect::HotfixData& hotfixData = hotfixQueryResponse.Hotfixes.emplace_back();
 hotfixData.Record = hotfixRecord;
 if (hotfixRecord.HotfixStatus == DB2Manager::HotfixRecord::Status::Valid)
 {
 DB2StorageBase const* storage = sDB2Manager.GetStorage(hotfixRecord.TableHash);
 if (storage && storage->HasRecord(uint32(hotfixRecord.RecordID)))
 {
 std::size_t pos = hotfixQueryResponse.HotfixContent.size();
 storage->WriteRecord(uint32(hotfixRecord.RecordID), GetSessionDbcLocale(), hotfixQueryResponse.HotfixContent);
 
 if (std::vector<DB2Manager::HotfixOptionalData> const* optionalDataEntries = sDB2Manager.GetHotfixOptionalData(hotfixRecord.TableHash, hotfixRecord.RecordID, GetSessionDbcLocale()))
 {
 for (DB2Manager::HotfixOptionalData const& optionalData : *optionalDataEntries)
 {
 hotfixQueryResponse.HotfixContent << uint32(optionalData.Key);
 hotfixQueryResponse.HotfixContent.append(optionalData.Data.data(), optionalData.Data.size());
 }
 }
 
 hotfixData.Size = hotfixQueryResponse.HotfixContent.size() - pos;
 }
 else if (std::vector<uint8> const* blobData = sDB2Manager.GetHotfixBlobData(hotfixRecord.TableHash, hotfixRecord.RecordID, GetSessionDbcLocale()))
 {
 hotfixData.Size = blobData->size();
 hotfixQueryResponse.HotfixContent.append(blobData->data(), blobData->size());
 }
 else
 // Do not send Status::Valid when we don't have a hotfix blob for current locale
 hotfixData.Record.HotfixStatus = storage ? DB2Manager::HotfixRecord::Status::RecordRemoved : DB2Manager::HotfixRecord::Status::Invalid;
 }
 }
 }
 }
 
 SendPacket(hotfixQueryResponse.Write());
}