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Separate world expedition source files

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hg 2020-10-17 22:02:13 -04:00
parent 58b3708a47
commit 0f051b68ae
11 changed files with 705 additions and 539 deletions
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6
world/CMakeLists.txt
View File

@ -10,6 +10,9 @@ SET(world_sources
eql_config.cpp eql_config.cpp
eqemu_api_world_data_service.cpp eqemu_api_world_data_service.cpp
expedition.cpp expedition.cpp
expedition_cache.cpp
expedition_database.cpp
expedition_message.cpp
launcher_link.cpp launcher_link.cpp
launcher_list.cpp launcher_list.cpp
lfplist.cpp lfplist.cpp
@ -41,6 +44,9 @@ SET(world_headers
eql_config.h eql_config.h
eqemu_api_world_data_service.h eqemu_api_world_data_service.h
expedition.h expedition.h
expedition_cache.h
expedition_database.h
expedition_message.h
launcher_link.h launcher_link.h
launcher_list.h launcher_list.h
lfplist.h lfplist.h

494
world/expedition.cpp
View File

@ -19,17 +19,11 @@
*/ */
#include "expedition.h" #include "expedition.h"
#include "clientlist.h" #include "expedition_database.h"
#include "cliententry.h"
#include "zonelist.h" #include "zonelist.h"
#include "zoneserver.h" #include "zoneserver.h"
#include "worlddb.h" #include "../common/eqemu_logsys.h"
#include "../common/servertalk.h"
#include "../common/string_util.h"
ExpeditionCache expedition_cache;
extern ClientList client_list;
extern ZSList zoneserver_list; extern ZSList zoneserver_list;
Expedition::Expedition( Expedition::Expedition(
@ -120,487 +114,3 @@ void Expedition::CheckExpireWarning()
} }
} }
} }
void ExpeditionCache::LoadActiveExpeditions()
{
BenchTimer benchmark;
m_expeditions = ExpeditionDatabase::LoadExpeditions();
auto elapsed = benchmark.elapsed();
LogExpeditions("World caching [{}] expeditions took [{}s]", m_expeditions.size(), elapsed);
}
void ExpeditionCache::AddExpedition(uint32_t expedition_id)
{
if (expedition_id == 0)
{
return;
}
auto expedition = ExpeditionDatabase::LoadExpedition(expedition_id);
if (expedition.GetID() == expedition_id)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it == m_expeditions.end())
{
m_expeditions.emplace_back(expedition);
}
}
}
void ExpeditionCache::RemoveExpedition(uint32_t expedition_id)
{
m_expeditions.erase(std::remove_if(m_expeditions.begin(), m_expeditions.end(),
[&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
}
), m_expeditions.end());
}
void ExpeditionCache::MemberChange(uint32_t expedition_id, uint32_t character_id, bool remove)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
if (remove) {
it->RemoveMember(character_id);
} else {
it->AddMember(character_id);
}
}
}
void ExpeditionCache::RemoveAllMembers(uint32_t expedition_id)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
it->RemoveAllMembers();
}
}
void ExpeditionCache::SetSecondsRemaining(uint32_t expedition_id, uint32_t seconds_remaining)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
it->UpdateDzSecondsRemaining(seconds_remaining);
}
}
void ExpeditionCache::Process()
{
if (!m_process_throttle_timer.Check())
{
return;
}
std::vector<uint32_t> expedition_ids;
// check cache for expired or empty expeditions to delete and notify zones.
for (auto it = m_expeditions.begin(); it != m_expeditions.end();)
{
bool is_deleted = false;
if (it->IsEmpty() || it->IsExpired())
{
// don't delete expedition until its dz instance is empty. this prevents
// an exploit where all members leave expedition and complete an event
// before being kicked from removal timer. the lockout could never be
// applied because the zone expedition cache was already invalidated.
auto dz_zoneserver = zoneserver_list.FindByInstanceID(it->GetInstanceID());
if (!dz_zoneserver || dz_zoneserver->NumPlayers() == 0)
{
LogExpeditions("Expedition [{}] expired or empty, notifying zones and deleting", it->GetID());
expedition_ids.emplace_back(it->GetID());
it->SendZonesExpeditionDeleted();
is_deleted = true;
}
if (it->IsEmpty() && !it->IsPendingDelete() && RuleB(Expedition, EmptyDzShutdownEnabled))
{
it->UpdateDzSecondsRemaining(RuleI(Expedition, EmptyDzShutdownDelaySeconds));
}
it->SetPendingDelete(true);
}
else
{
it->CheckExpireWarning();
}
it = is_deleted ? m_expeditions.erase(it) : it + 1;
}
if (!expedition_ids.empty())
{
ExpeditionDatabase::DeleteExpeditions(expedition_ids);
}
}
void ExpeditionDatabase::PurgeExpiredExpeditions()
{
std::string query = SQL(
SELECT
expedition_details.id
FROM expedition_details
LEFT JOIN instance_list ON expedition_details.instance_id = instance_list.id
LEFT JOIN
(
SELECT expedition_id, COUNT(*) member_count
FROM expedition_members
GROUP BY expedition_id
) expedition_members
ON expedition_members.expedition_id = expedition_details.id
WHERE
instance_list.id IS NULL
OR expedition_members.member_count IS NULL
OR (instance_list.start_time + instance_list.duration) <= UNIX_TIMESTAMP();
);
auto results = database.QueryDatabase(query);
if (results.Success())
{
std::vector<uint32_t> expedition_ids;
for (auto row = results.begin(); row != results.end(); ++row)
{
expedition_ids.emplace_back(static_cast<uint32_t>(strtoul(row[0], nullptr, 10)));
}
ExpeditionDatabase::DeleteExpeditions(expedition_ids);
}
}
void ExpeditionDatabase::PurgeExpiredCharacterLockouts()
{
std::string query = SQL(
DELETE FROM character_expedition_lockouts
WHERE expire_time <= NOW();
);
database.QueryDatabase(query);
}
std::vector<Expedition> ExpeditionDatabase::LoadExpeditions()
{
std::vector<Expedition> expeditions;
std::string query = SQL(
SELECT
expedition_details.id,
expedition_details.instance_id,
instance_list.zone,
instance_list.start_time,
instance_list.duration,
expedition_members.character_id
FROM expedition_details
INNER JOIN instance_list ON expedition_details.instance_id = instance_list.id
INNER JOIN expedition_members ON expedition_members.expedition_id = expedition_details.id
ORDER BY expedition_details.id;
);
auto results = database.QueryDatabase(query);
if (results.Success())
{
uint32_t last_expedition_id = 0;
for (auto row = results.begin(); row != results.end(); ++row)
{
uint32_t expedition_id = strtoul(row[0], nullptr, 10);
if (last_expedition_id != expedition_id)
{
expeditions.emplace_back(
static_cast<uint32_t>(strtoul(row[0], nullptr, 10)), // expedition_id
static_cast<uint32_t>(strtoul(row[1], nullptr, 10)), // dz_instance_id
static_cast<uint32_t>(strtoul(row[2], nullptr, 10)), // dz_zone_id
static_cast<uint32_t>(strtoul(row[3], nullptr, 10)), // start_time
static_cast<uint32_t>(strtoul(row[4], nullptr, 10)) // duration
);
}
last_expedition_id = expedition_id;
uint32_t member_id = static_cast<uint32_t>(strtoul(row[5], nullptr, 10));
expeditions.back().AddMember(member_id);
}
}
return expeditions;
}
Expedition ExpeditionDatabase::LoadExpedition(uint32_t expedition_id)
{
LogExpeditions("Loading expedition [{}] for world cache", expedition_id);
Expedition expedition;
std::string query = fmt::format(SQL(
SELECT
expedition_details.id,
expedition_details.instance_id,
instance_list.zone,
instance_list.start_time,
instance_list.duration,
expedition_members.character_id
FROM expedition_details
INNER JOIN instance_list ON expedition_details.instance_id = instance_list.id
INNER JOIN expedition_members ON expedition_members.expedition_id = expedition_details.id
WHERE expedition_details.id = {};
), expedition_id);
auto results = database.QueryDatabase(query);
if (results.Success())
{
bool created = false;
for (auto row = results.begin(); row != results.end(); ++row)
{
if (!created)
{
expedition = Expedition{
static_cast<uint32_t>(strtoul(row[0], nullptr, 10)), // expedition_id
static_cast<uint32_t>(strtoul(row[1], nullptr, 10)), // dz_instance_id
static_cast<uint32_t>(strtoul(row[2], nullptr, 10)), // dz_zone_id
static_cast<uint32_t>(strtoul(row[3], nullptr, 10)), // start_time
static_cast<uint32_t>(strtoul(row[4], nullptr, 10)) // duration
};
created = true;
}
auto member_id = static_cast<uint32_t>(strtoul(row[5], nullptr, 10));
expedition.AddMember(member_id);
}
}
return expedition;
}
void ExpeditionDatabase::DeleteExpeditions(const std::vector<uint32_t>& expedition_ids)
{
LogExpeditionsDetail("Deleting [{}] expedition(s)", expedition_ids.size());
std::string expedition_ids_query;
for (const auto& expedition_id : expedition_ids)
{
fmt::format_to(std::back_inserter(expedition_ids_query), "{},", expedition_id);
}
if (!expedition_ids_query.empty())
{
expedition_ids_query.pop_back(); // trailing comma
std::string query = fmt::format(
"DELETE FROM expedition_details WHERE id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
query = fmt::format(
"DELETE FROM expedition_members WHERE expedition_id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
query = fmt::format(
"DELETE FROM expedition_lockouts WHERE expedition_id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
}
}
void ExpeditionDatabase::UpdateDzDuration(uint16_t instance_id, uint32_t new_duration)
{
std::string query = fmt::format(
"UPDATE instance_list SET duration = {} WHERE id = {};",
new_duration, instance_id
);
database.QueryDatabase(query);
}
void ExpeditionMessage::HandleZoneMessage(ServerPacket* pack)
{
switch (pack->opcode)
{
case ServerOP_ExpeditionCreate:
{
auto buf = reinterpret_cast<ServerExpeditionID_Struct*>(pack->pBuffer);
expedition_cache.AddExpedition(buf->expedition_id);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMemberChange:
{
auto buf = reinterpret_cast<ServerExpeditionMemberChange_Struct*>(pack->pBuffer);
expedition_cache.MemberChange(buf->expedition_id, buf->char_id, buf->removed);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMemberSwap:
{
auto buf = reinterpret_cast<ServerExpeditionMemberSwap_Struct*>(pack->pBuffer);
expedition_cache.MemberChange(buf->expedition_id, buf->remove_char_id, true);
expedition_cache.MemberChange(buf->expedition_id, buf->add_char_id, false);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMembersRemoved:
{
auto buf = reinterpret_cast<ServerExpeditionID_Struct*>(pack->pBuffer);
expedition_cache.RemoveAllMembers(buf->expedition_id);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionGetOnlineMembers:
{
ExpeditionMessage::GetOnlineMembers(pack);
break;
}
case ServerOP_ExpeditionDzAddPlayer:
{
ExpeditionMessage::AddPlayer(pack);
break;
}
case ServerOP_ExpeditionDzMakeLeader:
{
ExpeditionMessage::MakeLeader(pack);
break;
}
case ServerOP_ExpeditionCharacterLockout:
{
auto buf = reinterpret_cast<ServerExpeditionCharacterLockout_Struct*>(pack->pBuffer);
auto cle = client_list.FindCLEByCharacterID(buf->character_id);
if (cle && cle->Server())
{
cle->Server()->SendPacket(pack);
}
break;
}
case ServerOP_ExpeditionSaveInvite:
{
ExpeditionMessage::SaveInvite(pack);
break;
}
case ServerOP_ExpeditionRequestInvite:
{
ExpeditionMessage::RequestInvite(pack);
break;
}
case ServerOP_ExpeditionSecondsRemaining:
{
auto buf = reinterpret_cast<ServerExpeditionUpdateDuration_Struct*>(pack->pBuffer);
expedition_cache.SetSecondsRemaining(buf->expedition_id, buf->new_duration_seconds);
break;
}
}
}
void ExpeditionMessage::AddPlayer(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
ClientListEntry* invited_cle = client_list.FindCharacter(buf->target_name);
if (invited_cle && invited_cle->Server())
{
// continue in the add target's zone
buf->is_char_online = true;
invited_cle->Server()->SendPacket(pack);
}
else
{
// add target not online, return to inviter
ClientListEntry* inviter_cle = client_list.FindCharacter(buf->requester_name);
if (inviter_cle && inviter_cle->Server())
{
inviter_cle->Server()->SendPacket(pack);
}
}
}
void ExpeditionMessage::MakeLeader(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
// notify requester (old leader) and new leader of the result
ZoneServer* new_leader_zs = nullptr;
ClientListEntry* new_leader_cle = client_list.FindCharacter(buf->target_name);
if (new_leader_cle && new_leader_cle->Server())
{
buf->is_char_online = true;
new_leader_zs = new_leader_cle->Server();
new_leader_zs->SendPacket(pack);
}
// if old and new leader are in the same zone only send one message
ClientListEntry* requester_cle = client_list.FindCharacter(buf->requester_name);
if (requester_cle && requester_cle->Server() && requester_cle->Server() != new_leader_zs)
{
requester_cle->Server()->SendPacket(pack);
}
}
void ExpeditionMessage::GetOnlineMembers(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerExpeditionCharacters_Struct*>(pack->pBuffer);
// not efficient but only requested during caching
char zone_name[64] = {0};
std::vector<ClientListEntry*> all_clients;
all_clients.reserve(client_list.GetClientCount());
client_list.GetClients(zone_name, all_clients);
for (uint32_t i = 0; i < buf->count; ++i)
{
auto it = std::find_if(all_clients.begin(), all_clients.end(), [&](const ClientListEntry* cle) {
return (cle && cle->CharID() == buf->entries[i].character_id);
});
if (it != all_clients.end())
{
buf->entries[i].character_zone_id = (*it)->zone();
buf->entries[i].character_instance_id = (*it)->instance();
buf->entries[i].character_online = true;
}
}
zoneserver_list.SendPacket(buf->sender_zone_id, buf->sender_instance_id, pack);
}
void ExpeditionMessage::SaveInvite(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
ClientListEntry* invited_cle = client_list.FindCharacter(buf->target_name);
if (invited_cle)
{
// store packet on cle and re-send it when client requests it
buf->is_char_online = true;
pack->opcode = ServerOP_ExpeditionDzAddPlayer;
invited_cle->SetPendingExpeditionInvite(pack);
}
}
void ExpeditionMessage::RequestInvite(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerExpeditionCharacterID_Struct*>(pack->pBuffer);
ClientListEntry* cle = client_list.FindCLEByCharacterID(buf->character_id);
if (cle)
{
auto invite_pack = cle->GetPendingExpeditionInvite();
if (invite_pack && cle->Server())
{
cle->Server()->SendPacket(invite_pack.get());
}
}
}

47
world/expedition.h
View File

@ -21,59 +21,16 @@
#ifndef WORLD_EXPEDITION_H #ifndef WORLD_EXPEDITION_H
#define WORLD_EXPEDITION_H #define WORLD_EXPEDITION_H
#include "../common/rulesys.h"
#include "../common/timer.h" #include "../common/timer.h"
#include <chrono> #include <chrono>
#include <cstdint>
#include <unordered_set> #include <unordered_set>
#include <vector>
extern class ExpeditionCache expedition_cache;
class Expedition;
class ServerPacket;
namespace ExpeditionDatabase
{
void PurgeExpiredExpeditions();
void PurgeExpiredCharacterLockouts();
std::vector<Expedition> LoadExpeditions();
Expedition LoadExpedition(uint32_t expedition_id);
void DeleteExpeditions(const std::vector<uint32_t>& expedition_ids);
void UpdateDzDuration(uint16_t instance_id, uint32_t new_duration);
};
namespace ExpeditionMessage
{
void HandleZoneMessage(ServerPacket* pack);
void AddPlayer(ServerPacket* pack);
void MakeLeader(ServerPacket* pack);
void GetOnlineMembers(ServerPacket* pack);
void SaveInvite(ServerPacket* pack);
void RequestInvite(ServerPacket* pack);
};
class ExpeditionCache
{
public:
void AddExpedition(uint32_t expedition_id);
void RemoveExpedition(uint32_t expedition_id);
void LoadActiveExpeditions();
void MemberChange(uint32_t expedition_id, uint32_t character_id, bool remove);
void RemoveAllMembers(uint32_t expedition_id);
void SetSecondsRemaining(uint32_t expedition_id, uint32_t seconds_remaining);
void Process();
private:
std::vector<Expedition> m_expeditions;
Timer m_process_throttle_timer{static_cast<uint32_t>(RuleI(Expedition, WorldExpeditionProcessRateMS))};
};
class Expedition class Expedition
{ {
public: public:
Expedition() = default; Expedition() = default;
Expedition( Expedition(uint32_t expedition_id, uint32_t instance_id, uint32_t dz_zone_id,
uint32_t expedition_id, uint32_t instance_id, uint32_t dz_zone_id,
uint32_t expire_time, uint32_t duration); uint32_t expire_time, uint32_t duration);
void AddMember(uint32_t character_id) { m_member_ids.emplace(character_id); } void AddMember(uint32_t character_id) { m_member_ids.emplace(character_id); }

161
world/expedition_cache.cpp Normal file
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@ -0,0 +1,161 @@
/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "expedition_cache.h"
#include "expedition.h"
#include "expedition_database.h"
#include "zonelist.h"
#include "zoneserver.h"
#include "../common/eqemu_logsys.h"
#include <algorithm>
extern ZSList zoneserver_list;
ExpeditionCache expedition_cache;
void ExpeditionCache::LoadActiveExpeditions()
{
BenchTimer benchmark;
m_expeditions = ExpeditionDatabase::LoadExpeditions();
auto elapsed = benchmark.elapsed();
LogExpeditions("World caching [{}] expeditions took [{}s]", m_expeditions.size(), elapsed);
}
void ExpeditionCache::AddExpedition(uint32_t expedition_id)
{
if (expedition_id == 0)
{
return;
}
auto expedition = ExpeditionDatabase::LoadExpedition(expedition_id);
if (expedition.GetID() == expedition_id)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it == m_expeditions.end())
{
m_expeditions.emplace_back(expedition);
}
}
}
void ExpeditionCache::RemoveExpedition(uint32_t expedition_id)
{
m_expeditions.erase(std::remove_if(m_expeditions.begin(), m_expeditions.end(),
[&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
}
), m_expeditions.end());
}
void ExpeditionCache::MemberChange(uint32_t expedition_id, uint32_t character_id, bool remove)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
if (remove) {
it->RemoveMember(character_id);
} else {
it->AddMember(character_id);
}
}
}
void ExpeditionCache::RemoveAllMembers(uint32_t expedition_id)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
it->RemoveAllMembers();
}
}
void ExpeditionCache::SetSecondsRemaining(uint32_t expedition_id, uint32_t seconds_remaining)
{
auto it = std::find_if(m_expeditions.begin(), m_expeditions.end(), [&](const Expedition& expedition) {
return expedition.GetID() == expedition_id;
});
if (it != m_expeditions.end())
{
it->UpdateDzSecondsRemaining(seconds_remaining);
}
}
void ExpeditionCache::Process()
{
if (!m_process_throttle_timer.Check())
{
return;
}
std::vector<uint32_t> expedition_ids;
for (auto it = m_expeditions.begin(); it != m_expeditions.end();)
{
bool is_deleted = false;
if (it->IsEmpty() || it->IsExpired())
{
// don't delete expedition until its dz instance is empty. this prevents
// an exploit where all members leave expedition and complete an event
// before being kicked from removal timer. the lockout could never be
// applied because the zone expedition cache was already invalidated.
auto dz_zoneserver = zoneserver_list.FindByInstanceID(it->GetInstanceID());
if (!dz_zoneserver || dz_zoneserver->NumPlayers() == 0)
{
LogExpeditions("Expedition [{}] expired or empty, notifying zones and deleting", it->GetID());
expedition_ids.emplace_back(it->GetID());
it->SendZonesExpeditionDeleted();
is_deleted = true;
}
if (it->IsEmpty() && !it->IsPendingDelete() && RuleB(Expedition, EmptyDzShutdownEnabled))
{
it->UpdateDzSecondsRemaining(RuleI(Expedition, EmptyDzShutdownDelaySeconds));
}
it->SetPendingDelete(true);
}
else
{
it->CheckExpireWarning();
}
it = is_deleted ? m_expeditions.erase(it) : it + 1;
}
if (!expedition_ids.empty())
{
ExpeditionDatabase::DeleteExpeditions(expedition_ids);
}
}

49
world/expedition_cache.h Normal file
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@ -0,0 +1,49 @@
/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef WORLD_EXPEDITION_CACHE_H
#define WORLD_EXPEDITION_CACHE_H
#include "../common/rulesys.h"
#include "../common/timer.h"
#include <cstdint>
#include <vector>
extern class ExpeditionCache expedition_cache;
class Expedition;
class ExpeditionCache
{
public:
void AddExpedition(uint32_t expedition_id);
void LoadActiveExpeditions();
void MemberChange(uint32_t expedition_id, uint32_t character_id, bool remove);
void Process();
void RemoveAllMembers(uint32_t expedition_id);
void RemoveExpedition(uint32_t expedition_id);
void SetSecondsRemaining(uint32_t expedition_id, uint32_t seconds_remaining);
private:
std::vector<Expedition> m_expeditions;
Timer m_process_throttle_timer{static_cast<uint32_t>(RuleI(Expedition, WorldExpeditionProcessRateMS))};
};
#endif

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/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "expedition_database.h"
#include "expedition.h"
#include "worlddb.h"
void ExpeditionDatabase::PurgeExpiredExpeditions()
{
std::string query = SQL(
SELECT
expedition_details.id
FROM expedition_details
LEFT JOIN instance_list ON expedition_details.instance_id = instance_list.id
LEFT JOIN
(
SELECT expedition_id, COUNT(*) member_count
FROM expedition_members
GROUP BY expedition_id
) expedition_members
ON expedition_members.expedition_id = expedition_details.id
WHERE
instance_list.id IS NULL
OR expedition_members.member_count IS NULL
OR (instance_list.start_time + instance_list.duration) <= UNIX_TIMESTAMP();
);
auto results = database.QueryDatabase(query);
if (results.Success())
{
std::vector<uint32_t> expedition_ids;
for (auto row = results.begin(); row != results.end(); ++row)
{
expedition_ids.emplace_back(static_cast<uint32_t>(strtoul(row[0], nullptr, 10)));
}
ExpeditionDatabase::DeleteExpeditions(expedition_ids);
}
}
void ExpeditionDatabase::PurgeExpiredCharacterLockouts()
{
std::string query = SQL(
DELETE FROM character_expedition_lockouts
WHERE expire_time <= NOW();
);
database.QueryDatabase(query);
}
std::vector<Expedition> ExpeditionDatabase::LoadExpeditions()
{
std::vector<Expedition> expeditions;
std::string query = SQL(
SELECT
expedition_details.id,
expedition_details.instance_id,
instance_list.zone,
instance_list.start_time,
instance_list.duration,
expedition_members.character_id
FROM expedition_details
INNER JOIN instance_list ON expedition_details.instance_id = instance_list.id
INNER JOIN expedition_members ON expedition_members.expedition_id = expedition_details.id
ORDER BY expedition_details.id;
);
auto results = database.QueryDatabase(query);
if (results.Success())
{
uint32_t last_expedition_id = 0;
for (auto row = results.begin(); row != results.end(); ++row)
{
uint32_t expedition_id = strtoul(row[0], nullptr, 10);
if (last_expedition_id != expedition_id)
{
expeditions.emplace_back(
static_cast<uint32_t>(strtoul(row[0], nullptr, 10)), // expedition_id
static_cast<uint32_t>(strtoul(row[1], nullptr, 10)), // dz_instance_id
static_cast<uint32_t>(strtoul(row[2], nullptr, 10)), // dz_zone_id
static_cast<uint32_t>(strtoul(row[3], nullptr, 10)), // start_time
static_cast<uint32_t>(strtoul(row[4], nullptr, 10)) // duration
);
}
last_expedition_id = expedition_id;
uint32_t member_id = static_cast<uint32_t>(strtoul(row[5], nullptr, 10));
expeditions.back().AddMember(member_id);
}
}
return expeditions;
}
Expedition ExpeditionDatabase::LoadExpedition(uint32_t expedition_id)
{
LogExpeditions("Loading expedition [{}] for world cache", expedition_id);
Expedition expedition;
std::string query = fmt::format(SQL(
SELECT
expedition_details.id,
expedition_details.instance_id,
instance_list.zone,
instance_list.start_time,
instance_list.duration,
expedition_members.character_id
FROM expedition_details
INNER JOIN instance_list ON expedition_details.instance_id = instance_list.id
INNER JOIN expedition_members ON expedition_members.expedition_id = expedition_details.id
WHERE expedition_details.id = {};
), expedition_id);
auto results = database.QueryDatabase(query);
if (results.Success())
{
bool created = false;
for (auto row = results.begin(); row != results.end(); ++row)
{
if (!created)
{
expedition = Expedition{
static_cast<uint32_t>(strtoul(row[0], nullptr, 10)), // expedition_id
static_cast<uint32_t>(strtoul(row[1], nullptr, 10)), // dz_instance_id
static_cast<uint32_t>(strtoul(row[2], nullptr, 10)), // dz_zone_id
static_cast<uint32_t>(strtoul(row[3], nullptr, 10)), // start_time
static_cast<uint32_t>(strtoul(row[4], nullptr, 10)) // duration
};
created = true;
}
auto member_id = static_cast<uint32_t>(strtoul(row[5], nullptr, 10));
expedition.AddMember(member_id);
}
}
return expedition;
}
void ExpeditionDatabase::DeleteExpeditions(const std::vector<uint32_t>& expedition_ids)
{
LogExpeditionsDetail("Deleting [{}] expedition(s)", expedition_ids.size());
std::string expedition_ids_query;
for (const auto& expedition_id : expedition_ids)
{
fmt::format_to(std::back_inserter(expedition_ids_query), "{},", expedition_id);
}
if (!expedition_ids_query.empty())
{
expedition_ids_query.pop_back(); // trailing comma
std::string query = fmt::format(
"DELETE FROM expedition_details WHERE id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
query = fmt::format(
"DELETE FROM expedition_members WHERE expedition_id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
query = fmt::format(
"DELETE FROM expedition_lockouts WHERE expedition_id IN ({});", expedition_ids_query
);
database.QueryDatabase(query);
}
}
void ExpeditionDatabase::UpdateDzDuration(uint16_t instance_id, uint32_t new_duration)
{
std::string query = fmt::format(
"UPDATE instance_list SET duration = {} WHERE id = {};",
new_duration, instance_id
);
database.QueryDatabase(query);
}

39
world/expedition_database.h Normal file
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@ -0,0 +1,39 @@
/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef WORLD_EXPEDITION_DATABASE_H
#define WORLD_EXPEDITION_DATABASE_H
#include <cstdint>
#include <vector>
class Expedition;
namespace ExpeditionDatabase
{
void DeleteExpeditions(const std::vector<uint32_t>& expedition_ids);
std::vector<Expedition> LoadExpeditions();
Expedition LoadExpedition(uint32_t expedition_id);
void PurgeExpiredExpeditions();
void PurgeExpiredCharacterLockouts();
void UpdateDzDuration(uint16_t instance_id, uint32_t new_duration);
};
#endif

207
world/expedition_message.cpp Normal file
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@ -0,0 +1,207 @@
/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "expedition_message.h"
#include "expedition_cache.h"
#include "cliententry.h"
#include "clientlist.h"
#include "zonelist.h"
#include "zoneserver.h"
#include "../common/servertalk.h"
#include <algorithm>
extern ClientList client_list;
extern ZSList zoneserver_list;
void ExpeditionMessage::HandleZoneMessage(ServerPacket* pack)
{
switch (pack->opcode)
{
case ServerOP_ExpeditionCreate:
{
auto buf = reinterpret_cast<ServerExpeditionID_Struct*>(pack->pBuffer);
expedition_cache.AddExpedition(buf->expedition_id);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMemberChange:
{
auto buf = reinterpret_cast<ServerExpeditionMemberChange_Struct*>(pack->pBuffer);
expedition_cache.MemberChange(buf->expedition_id, buf->char_id, buf->removed);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMemberSwap:
{
auto buf = reinterpret_cast<ServerExpeditionMemberSwap_Struct*>(pack->pBuffer);
expedition_cache.MemberChange(buf->expedition_id, buf->remove_char_id, true);
expedition_cache.MemberChange(buf->expedition_id, buf->add_char_id, false);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionMembersRemoved:
{
auto buf = reinterpret_cast<ServerExpeditionID_Struct*>(pack->pBuffer);
expedition_cache.RemoveAllMembers(buf->expedition_id);
zoneserver_list.SendPacket(pack);
break;
}
case ServerOP_ExpeditionGetOnlineMembers:
{
ExpeditionMessage::GetOnlineMembers(pack);
break;
}
case ServerOP_ExpeditionDzAddPlayer:
{
ExpeditionMessage::AddPlayer(pack);
break;
}
case ServerOP_ExpeditionDzMakeLeader:
{
ExpeditionMessage::MakeLeader(pack);
break;
}
case ServerOP_ExpeditionCharacterLockout:
{
auto buf = reinterpret_cast<ServerExpeditionCharacterLockout_Struct*>(pack->pBuffer);
auto cle = client_list.FindCLEByCharacterID(buf->character_id);
if (cle && cle->Server())
{
cle->Server()->SendPacket(pack);
}
break;
}
case ServerOP_ExpeditionSaveInvite:
{
ExpeditionMessage::SaveInvite(pack);
break;
}
case ServerOP_ExpeditionRequestInvite:
{
ExpeditionMessage::RequestInvite(pack);
break;
}
case ServerOP_ExpeditionSecondsRemaining:
{
auto buf = reinterpret_cast<ServerExpeditionUpdateDuration_Struct*>(pack->pBuffer);
expedition_cache.SetSecondsRemaining(buf->expedition_id, buf->new_duration_seconds);
break;
}
}
}
void ExpeditionMessage::AddPlayer(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
ClientListEntry* invited_cle = client_list.FindCharacter(buf->target_name);
if (invited_cle && invited_cle->Server())
{
// continue in the add target's zone
buf->is_char_online = true;
invited_cle->Server()->SendPacket(pack);
}
else
{
// add target not online, return to inviter
ClientListEntry* inviter_cle = client_list.FindCharacter(buf->requester_name);
if (inviter_cle && inviter_cle->Server())
{
inviter_cle->Server()->SendPacket(pack);
}
}
}
void ExpeditionMessage::MakeLeader(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
// notify requester (old leader) and new leader of the result
ZoneServer* new_leader_zs = nullptr;
ClientListEntry* new_leader_cle = client_list.FindCharacter(buf->target_name);
if (new_leader_cle && new_leader_cle->Server())
{
buf->is_char_online = true;
new_leader_zs = new_leader_cle->Server();
new_leader_zs->SendPacket(pack);
}
// if old and new leader are in the same zone only send one message
ClientListEntry* requester_cle = client_list.FindCharacter(buf->requester_name);
if (requester_cle && requester_cle->Server() && requester_cle->Server() != new_leader_zs)
{
requester_cle->Server()->SendPacket(pack);
}
}
void ExpeditionMessage::GetOnlineMembers(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerExpeditionCharacters_Struct*>(pack->pBuffer);
// not efficient but only requested during caching
char zone_name[64] = {0};
std::vector<ClientListEntry*> all_clients;
all_clients.reserve(client_list.GetClientCount());
client_list.GetClients(zone_name, all_clients);
for (uint32_t i = 0; i < buf->count; ++i)
{
auto it = std::find_if(all_clients.begin(), all_clients.end(), [&](const ClientListEntry* cle) {
return (cle && cle->CharID() == buf->entries[i].character_id);
});
if (it != all_clients.end())
{
buf->entries[i].character_zone_id = (*it)->zone();
buf->entries[i].character_instance_id = (*it)->instance();
buf->entries[i].character_online = true;
}
}
zoneserver_list.SendPacket(buf->sender_zone_id, buf->sender_instance_id, pack);
}
void ExpeditionMessage::SaveInvite(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerDzCommand_Struct*>(pack->pBuffer);
ClientListEntry* invited_cle = client_list.FindCharacter(buf->target_name);
if (invited_cle)
{
// store packet on cle and re-send it when client requests it
buf->is_char_online = true;
pack->opcode = ServerOP_ExpeditionDzAddPlayer;
invited_cle->SetPendingExpeditionInvite(pack);
}
}
void ExpeditionMessage::RequestInvite(ServerPacket* pack)
{
auto buf = reinterpret_cast<ServerExpeditionCharacterID_Struct*>(pack->pBuffer);
ClientListEntry* cle = client_list.FindCLEByCharacterID(buf->character_id);
if (cle)
{
auto invite_pack = cle->GetPendingExpeditionInvite();
if (invite_pack && cle->Server())
{
cle->Server()->SendPacket(invite_pack.get());
}
}
}

36
world/expedition_message.h Normal file
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@ -0,0 +1,36 @@
/**
* EQEmulator: Everquest Server Emulator
* Copyright (C) 2001-2020 EQEmulator Development Team (https://github.com/EQEmu/Server)
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY except by those people which sell it, which
* are required to give you total support for your newly bought product;
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef WORLD_EXPEDITION_MESSAGE_H
#define WORLD_EXPEDITION_MESSAGE_H
class ServerPacket;
namespace ExpeditionMessage
{
void AddPlayer(ServerPacket* pack);
void GetOnlineMembers(ServerPacket* pack);
void HandleZoneMessage(ServerPacket* pack);
void MakeLeader(ServerPacket* pack);
void RequestInvite(ServerPacket* pack);
void SaveInvite(ServerPacket* pack);
};
#endif

3
world/main.cpp
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@ -88,7 +88,8 @@ union semun {
#include "queryserv.h" #include "queryserv.h"
#include "web_interface.h" #include "web_interface.h"
#include "console.h" #include "console.h"
#include "expedition.h" #include "expedition_cache.h"
#include "expedition_database.h"
#include "../common/net/servertalk_server.h" #include "../common/net/servertalk_server.h"
#include "../zone/data_bucket.h" #include "../zone/data_bucket.h"

2
world/zoneserver.cpp
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@ -36,7 +36,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "ucs.h" #include "ucs.h"
#include "queryserv.h" #include "queryserv.h"
#include "world_store.h" #include "world_store.h"
#include "expedition.h" #include "expedition_message.h"
extern ClientList client_list; extern ClientList client_list;
extern GroupLFPList LFPGroupList; extern GroupLFPList LFPGroupList;