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cuberite-2a
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Don't send ping updates one packet at a time 

* Use the batch update feature of the packet.
* Lengthen interval between time and ping update packets (ref. http://github.com/cuberite/cuberite/issues/4082#issuecomment-348675321).
This commit is contained in:
Tiger Wang 2021-03-17 23:18:02 +00:00
parent e3fe9e5e93
commit 55ba39ca0e
12 changed files with 61 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/Blocks/BroadcastInterface.h
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@ -53,7 +53,7 @@ public:
virtual void BroadcastPlayerListRemovePlayer (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) = 0;
virtual void BroadcastPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName, const cClientHandle * a_Exclude = nullptr) = 0;
virtual void BroadcastPlayerListUpdateGameMode (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) = 0;
virtual void BroadcastPlayerListUpdatePing (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) = 0;
virtual void BroadcastPlayerListUpdatePing () = 0;
virtual void BroadcastRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID, const cClientHandle * a_Exclude = nullptr) = 0;
virtual void BroadcastScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) = 0;
virtual void BroadcastScoreUpdate (const AString & a_Objective, const AString & a_PlayerName, cObjective::Score a_Score, Byte a_Mode) = 0;

6
src/Broadcaster.cpp
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@ -488,11 +488,11 @@ void cWorld::BroadcastPlayerListUpdateGameMode(const cPlayer & a_Player, const c
void cWorld::BroadcastPlayerListUpdatePing(const cPlayer & a_Player, const cClientHandle * a_Exclude)
void cWorld::BroadcastPlayerListUpdatePing()
{
ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
ForClientsInWorld(*this, nullptr, [&](cClientHandle & a_Client)
{
a_Client.SendPlayerListUpdatePing(a_Player);
a_Client.SendPlayerListUpdatePing();
}
);
}

2
src/ChunkMap.h
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@ -378,7 +378,7 @@ public:
void ChunkValidated(void); // Called by chunks that have become valid
/** Returns the CS for locking the chunkmap; only cWorld::cLock may use this function! */
cCriticalSection & GetCS(void) { return m_CSChunks; }
cCriticalSection & GetCS(void) const { return m_CSChunks; }
/** Increments (a_AlwaysTicked == true) or decrements (false) the m_AlwaysTicked counter for the specified chunk.
If the m_AlwaysTicked counter is greater than zero, the chunk is ticked in the tick-thread regardless of

4
src/ClientHandle.cpp
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@ -2715,9 +2715,9 @@ void cClientHandle::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
void cClientHandle::SendPlayerListUpdatePing(const cPlayer & a_Player)
void cClientHandle::SendPlayerListUpdatePing()
{
m_Protocol->SendPlayerListUpdatePing(a_Player);
m_Protocol->SendPlayerListUpdatePing();
}

2
src/ClientHandle.h
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@ -193,7 +193,7 @@ public: // tolua_export
void SendPlayerListRemovePlayer (const cPlayer & a_Player);
void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName);
void SendPlayerListUpdateGameMode (const cPlayer & a_Player);
void SendPlayerListUpdatePing (const cPlayer & a_Player);
void SendPlayerListUpdatePing ();
void SendPlayerMaxSpeed (void); ///< Informs the client of the maximum player speed (1.6.1+)
void SendPlayerMoveLook (void);
void SendPlayerPosition (void);

12
src/Entities/Player.cpp
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@ -34,9 +34,6 @@
// 6000 ticks or 5 minutes
#define PLAYER_INVENTORY_SAVE_INTERVAL 6000
// 1000 = once per second
#define PLAYER_LIST_TIME_MS std::chrono::milliseconds(1000)
namespace
{
@ -131,8 +128,6 @@ cPlayer::cPlayer(const cClientHandlePtr & a_Client) :
SetMaxHealth(MAX_HEALTH);
m_Health = MAX_HEALTH;
m_LastPlayerListTime = std::chrono::steady_clock::now();
cWorld * World = nullptr;
if (!LoadFromDisk(World))
{
@ -3205,13 +3200,6 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
// Update items (e.g. Maps)
m_Inventory.UpdateItems();
// Send Player List (Once per m_LastPlayerListTime/1000 ms)
if (m_LastPlayerListTime + PLAYER_LIST_TIME_MS <= std::chrono::steady_clock::now())
{
m_World->BroadcastPlayerListUpdatePing(*this);
m_LastPlayerListTime = std::chrono::steady_clock::now();
}
if (m_TicksUntilNextSave == 0)
{
SaveToDisk();

2
src/Entities/Player.h
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@ -656,8 +656,6 @@ private:
/** The item being dragged by the cursor while in a UI window */
cItem m_DraggingItem;
std::chrono::steady_clock::time_point m_LastPlayerListTime;
cClientHandlePtr m_ClientHandle;
cSlotNums m_InventoryPaintSlots;

2
src/Protocol/Protocol.h
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@ -410,7 +410,7 @@ public:
virtual void SendPlayerListHeaderFooter (const cCompositeChat & a_Header, const cCompositeChat & a_Footer) = 0;
virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdatePing (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdatePing () = 0;
virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) = 0;
virtual void SendPlayerMaxSpeed (void) = 0; ///< Informs the client of the maximum player speed (1.6.1+)
virtual void SendPlayerMoveLook (void) = 0;

14
src/Protocol/Protocol_1_8.cpp
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@ -1111,15 +1111,21 @@ void cProtocol_1_8_0::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
void cProtocol_1_8_0::SendPlayerListUpdatePing(const cPlayer & a_Player)
void cProtocol_1_8_0::SendPlayerListUpdatePing()
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktPlayerList);
Pkt.WriteVarInt32(2);
Pkt.WriteVarInt32(1);
Pkt.WriteUUID(a_Player.GetUUID());
Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing()));
const auto World = m_Client->GetPlayer()->GetWorld();
Pkt.WriteVarInt32(static_cast<UInt32>(World->GetPlayerCount()));
World->ForEachPlayer([&Pkt](cPlayer & a_Player)
{
Pkt.WriteUUID(a_Player.GetUUID());
Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing()));
return false;
});
}

2
src/Protocol/Protocol_1_8.h
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@ -94,7 +94,7 @@ public:
virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) override;
virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) override;
virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) override;
virtual void SendPlayerListUpdatePing (const cPlayer & a_Player) override;
virtual void SendPlayerListUpdatePing () override;
virtual void SendPlayerMaxSpeed (void) override;
virtual void SendPlayerMoveLook (void) override;
virtual void SendPlayerPosition (void) override;

36
src/World.cpp
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@ -91,7 +91,7 @@ namespace World
////////////////////////////////////////////////////////////////////////////////
// cWorld::cLock:
cWorld::cLock::cLock(cWorld & a_World) :
cWorld::cLock::cLock(const cWorld & a_World) :
Super(&(a_World.m_ChunkMap.GetCS()))
{
}
@ -168,7 +168,7 @@ cWorld::cWorld(
m_IsDaylightCycleEnabled(true),
m_WorldAge(0),
m_TimeOfDay(0),
m_LastTimeUpdate(0),
m_WorldTickAge(0),
m_LastChunkCheck(0),
m_LastSave(0),
m_SkyDarkness(0),
@ -959,33 +959,38 @@ void cWorld::Stop(cDeadlockDetect & a_DeadlockDetect)
void cWorld::Tick(std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec)
{
// Call the plugins
// Notify the plugins:
cPluginManager::Get()->CallHookWorldTick(*this, a_Dt, a_LastTickDurationMSec);
m_WorldAge += a_Dt;
m_WorldTickAge += 1;
if (m_IsDaylightCycleEnabled)
{
// We need sub-tick precision here, that's why we store the time in milliseconds and calculate ticks off of it
m_TimeOfDay += a_Dt;
// Wrap time of day each 20 minutes (1200 seconds)
// Wrap time of day every 20 minutes (1200 seconds):
if (m_TimeOfDay > std::chrono::minutes(20))
{
m_TimeOfDay -= std::chrono::minutes(20);
}
// Updates the sky darkness based on current time of day
// Updates the sky darkness based on current time of day:
UpdateSkyDarkness();
// Broadcast time update every 40 ticks (2 seconds)
if (m_LastTimeUpdate < m_WorldAge - cTickTime(40))
// Broadcast time update every 64 ticks (3.2 seconds):
if ((m_WorldTickAge % 64) == 0)
{
BroadcastTimeUpdate();
m_LastTimeUpdate = std::chrono::duration_cast<cTickTimeLong>(m_WorldAge);
}
}
// Broadcast player list pings every 256 ticks (12.8 seconds):
if ((m_WorldTickAge % 256) == 0)
{
BroadcastPlayerListUpdatePing();
}
TickQueuedChunkDataSets();
TickQueuedBlocks();
m_ChunkMap.Tick(a_Dt);
@ -993,11 +998,10 @@ void cWorld::Tick(std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_La
TickQueuedEntityAdditions();
m_MapManager.TickMaps();
TickQueuedTasks();
TickWeather(static_cast<float>(a_Dt.count()));
GetSimulatorManager()->Simulate(static_cast<float>(a_Dt.count()));
TickWeather(static_cast<float>(a_Dt.count()));
if (m_WorldAge - m_LastChunkCheck > std::chrono::seconds(10))
{
// Unload every 10 seconds
@ -2535,6 +2539,16 @@ bool cWorld::ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback a_Ca
size_t cWorld::GetPlayerCount() const
{
cLock Lock(*this);
return m_Players.size();
}
bool cWorld::DoWithEntityByID(UInt32 a_UniqueID, cEntityCallback a_Callback)
{
// First check the entities-to-add:

20
src/World.h
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@ -78,7 +78,7 @@ public:
{
using Super = cCSLock;
public:
cLock(cWorld & a_World);
cLock(const cWorld & a_World);
};
@ -212,7 +212,7 @@ public:
virtual void BroadcastPlayerListRemovePlayer (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) override;
virtual void BroadcastPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName, const cClientHandle * a_Exclude = nullptr) override;
virtual void BroadcastPlayerListUpdateGameMode (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) override;
virtual void BroadcastPlayerListUpdatePing (const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr) override;
virtual void BroadcastPlayerListUpdatePing () override;
virtual void BroadcastRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID, const cClientHandle * a_Exclude = nullptr) override;
virtual void BroadcastScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
virtual void BroadcastScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
@ -303,6 +303,9 @@ public:
If any chunk in the box is missing, ignores the entities in that chunk silently. */
virtual bool ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback a_Callback) override; // Exported in ManualBindings.cpp
/** Returns the number of players currently in this world. */
size_t GetPlayerCount() const;
/** Calls the callback if the entity with the specified ID is found, with the entity object as the callback param.
Returns true if entity found and callback returned false. */
bool DoWithEntityByID(UInt32 a_UniqueID, cEntityCallback a_Callback); // Exported in ManualBindings.cpp
@ -1054,11 +1057,20 @@ private:
bool m_IsDaylightCycleEnabled;
/** The age of the world.
Monotonic, always increasing each game tick, persistent across server restart. */
Monotonic, always increasing each game tick, persistent across server restart.
We need sub-tick precision here, that's why we store the time in milliseconds and calculate ticks off of it. */
std::chrono::milliseconds m_WorldAge;
/** The duration of one Minecraft day that has elapsed.
Wraps every 20 minutes.
We need sub-tick precision here, that's why we store the time in milliseconds and calculate ticks off of it. */
std::chrono::milliseconds m_TimeOfDay;
cTickTimeLong m_LastTimeUpdate; // The tick in which the last time update has been sent.
/** The age of the world, in ticks.
Monotonic, but does not persist across restarts.
Used for less important but heavy tasks that run periodically. These tasks don't need to follow wallclock time, and slowing their rate down if TPS drops is desirable. */
unsigned long long m_WorldTickAge;
cTickTimeLong m_LastChunkCheck; // The last WorldAge (in ticks) in which unloading and possibly saving was triggered
cTickTimeLong m_LastSave; // The last WorldAge (in ticks) in which save-all was triggerred
std::map<cMonster::eFamily, cTickTimeLong> m_LastSpawnMonster; // The last WorldAge (in ticks) in which a monster was spawned (for each megatype of monster) // MG TODO : find a way to optimize without creating unmaintenability (if mob IDs are becoming unrowed)