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-rw-r--r--src/Bindings/ManualBindings.cpp16
-rw-r--r--src/Chunk.cpp17
-rw-r--r--src/Entities/Entity.cpp12
-rw-r--r--src/OSSupport/BlockingTCPLink.cpp11
-rw-r--r--src/OSSupport/Socket.cpp2
-rw-r--r--src/OSSupport/Socket.h12
-rw-r--r--src/Protocol/Protocol17x.cpp40
7 files changed, 89 insertions, 21 deletions
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index b12fa5f03..ebee2d697 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -941,6 +941,10 @@ protected:
}
} ;
+
+
+
+
static int tolua_cWorld_QueueTask(lua_State * tolua_S)
{
// Binding for cWorld::QueueTask
@@ -976,6 +980,10 @@ static int tolua_cWorld_QueueTask(lua_State * tolua_S)
return 0;
}
+
+
+
+
class cLuaScheduledWorldTask :
public cWorld::cScheduledTask
{
@@ -999,6 +1007,9 @@ protected:
};
+
+
+
static int tolua_cWorld_ScheduleTask(lua_State * tolua_S)
{
// Binding for cWorld::ScheduleTask
@@ -1032,12 +1043,14 @@ static int tolua_cWorld_ScheduleTask(lua_State * tolua_S)
int Ticks = (int) tolua_tonumber (tolua_S, 3, 0);
- self->ScheduleTask(new cLuaScheduledWorldTask(*Plugin, FnRef,Ticks));
+ self->ScheduleTask(new cLuaScheduledWorldTask(*Plugin, FnRef, Ticks));
return 0;
}
+
+
static int tolua_cPluginManager_GetAllPlugins(lua_State * tolua_S)
{
cPluginManager * self = (cPluginManager *)tolua_tousertype(tolua_S, 1, 0);
@@ -2272,6 +2285,7 @@ void ManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "GetBlockTypeMeta", tolua_cWorld_GetBlockTypeMeta);
tolua_function(tolua_S, "GetSignLines", tolua_cWorld_GetSignLines);
tolua_function(tolua_S, "QueueTask", tolua_cWorld_QueueTask);
+ tolua_function(tolua_S, "ScheduleTask", tolua_cWorld_ScheduleTask);
tolua_function(tolua_S, "SetSignLines", tolua_cWorld_SetSignLines);
tolua_function(tolua_S, "TryGetHeight", tolua_cWorld_TryGetHeight);
tolua_function(tolua_S, "UpdateSign", tolua_cWorld_SetSignLines);
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index fb26e983d..0735c8144 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -1743,7 +1743,14 @@ bool cChunk::AddClient(cClientHandle* a_Client)
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr )
{
- LOGD("cChunk: Entity #%d (%s) at [%i, %i, %i] spawning for player \"%s\"", (*itr)->GetUniqueID(), (*itr)->GetClass(), m_PosX, m_PosY, m_PosZ, a_Client->GetUsername().c_str());
+ /*
+ // DEBUG:
+ LOGD("cChunk: Entity #%d (%s) at [%i, %i, %i] spawning for player \"%s\"",
+ (*itr)->GetUniqueID(), (*itr)->GetClass(),
+ m_PosX, m_PosY, m_PosZ,
+ a_Client->GetUsername().c_str()
+ );
+ */
(*itr)->SpawnOn(*a_Client);
}
return true;
@@ -1768,7 +1775,13 @@ void cChunk::RemoveClient( cClientHandle* a_Client )
{
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr )
{
- LOGD("chunk [%i, %i] destroying entity #%i for player \"%s\"", m_PosX, m_PosZ, (*itr)->GetUniqueID(), a_Client->GetUsername().c_str() );
+ /*
+ // DEBUG:
+ LOGD("chunk [%i, %i] destroying entity #%i for player \"%s\"",
+ m_PosX, m_PosZ,
+ (*itr)->GetUniqueID(), a_Client->GetUsername().c_str()
+ );
+ */
a_Client->SendDestroyEntity(*(*itr));
}
}
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index e1efe3ccd..565c78dfd 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -75,13 +75,16 @@ cEntity::~cEntity()
{
ASSERT(!m_World->HasEntity(m_UniqueID)); // Before deleting, the entity needs to have been removed from the world
+ /*
+ // DEBUG:
LOGD("Deleting entity %d at pos {%.2f, %.2f, %.2f} ~ [%d, %d]; ptr %p",
m_UniqueID,
m_Pos.x, m_Pos.y, m_Pos.z,
(int)(m_Pos.x / cChunkDef::Width), (int)(m_Pos.z / cChunkDef::Width),
this
);
-
+ */
+
if (m_AttachedTo != NULL)
{
Detach();
@@ -138,9 +141,13 @@ bool cEntity::Initialize(cWorld * a_World)
return false;
}
+ /*
+ // DEBUG:
LOGD("Initializing entity #%d (%s) at {%.02f, %.02f, %.02f}",
m_UniqueID, GetClass(), m_Pos.x, m_Pos.y, m_Pos.z
);
+ */
+
m_IsInitialized = true;
m_World = a_World;
m_World->AddEntity(this);
@@ -617,9 +624,12 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
m_bOnGround = true;
+ /*
+ // DEBUG:
LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
);
+ */
}
if (!m_bOnGround)
diff --git a/src/OSSupport/BlockingTCPLink.cpp b/src/OSSupport/BlockingTCPLink.cpp
index 55454a4b5..08aec0c65 100644
--- a/src/OSSupport/BlockingTCPLink.cpp
+++ b/src/OSSupport/BlockingTCPLink.cpp
@@ -7,17 +7,6 @@
-#ifdef _WIN32
- #define MSG_NOSIGNAL (0)
-#endif
-#ifdef __MACH__
- #define MSG_NOSIGNAL (0)
-#endif
-
-
-
-
-
cBlockingTCPLink::cBlockingTCPLink(void)
{
}
diff --git a/src/OSSupport/Socket.cpp b/src/OSSupport/Socket.cpp
index d511e5487..8ea5d8320 100644
--- a/src/OSSupport/Socket.cpp
+++ b/src/OSSupport/Socket.cpp
@@ -364,7 +364,7 @@ int cSocket::Receive(char* a_Buffer, unsigned int a_Length, unsigned int a_Flags
int cSocket::Send(const char * a_Buffer, unsigned int a_Length)
{
- return send(m_Socket, a_Buffer, a_Length, 0);
+ return send(m_Socket, a_Buffer, a_Length, MSG_NOSIGNAL);
}
diff --git a/src/OSSupport/Socket.h b/src/OSSupport/Socket.h
index 81bfd28fc..b86560de8 100644
--- a/src/OSSupport/Socket.h
+++ b/src/OSSupport/Socket.h
@@ -5,6 +5,18 @@
+// Windows and MacOSX don't have the MSG_NOSIGNAL flag
+#if ( \
+ defined(_WIN32) || \
+ (defined(__APPLE__) && defined(__MACH__)) \
+)
+ #define MSG_NOSIGNAL (0)
+#endif
+
+
+
+
+
class cSocket
{
public:
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 274e59f63..354b2476a 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -121,7 +121,7 @@ void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, cha
void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
{
- cPacketizer Pkt(*this, 0x24); // Block Break Animation packet
+ cPacketizer Pkt(*this, 0x25); // Block Break Animation packet
Pkt.WriteInt(a_EntityID);
Pkt.WriteInt(a_BlockX);
Pkt.WriteInt(a_BlockY);
@@ -1039,15 +1039,28 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
if (!HandlePacket(bb, PacketType))
{
- // Unknown packet, already been reported, just bail out
+ // Unknown packet, already been reported, but without the length. Log the length here:
+ LOGWARNING("Unhandled packet: type 0x%x, state %d, length %u", PacketType, m_State, PacketLen);
+
+ #ifdef _DEBUG
+ // Dump the packet contents into the log:
+ bb.ResetRead();
+ AString Packet;
+ bb.ReadAll(Packet);
+ Packet.resize(Packet.size() - 1); // Drop the final NUL pushed there for over-read detection
+ AString Out;
+ CreateHexDump(Out, Packet.data(), (int)Packet.size(), 24);
+ LOGD("Packet contents:\n%s", Out.c_str());
+ #endif // _DEBUG
+
return;
}
if (bb.GetReadableSpace() != 1)
{
// Read more or less than packet length, report as error
- LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x. Read %u bytes, packet contained %u bytes",
- PacketType, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen
+ LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x, state %d. Read %u bytes, packet contained %u bytes",
+ PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen
);
ASSERT(!"Read wrong number of bytes!");
m_Client->PacketError(PacketType);
@@ -1115,9 +1128,26 @@ bool cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
}
break;
}
+ default:
+ {
+ // Received a packet in an unknown state, report:
+ LOGWARNING("Received a packet in an unknown protocol state %d. Ignoring further packets.", m_State);
+
+ // Cannot kick the client - we don't know this state and thus the packet number for the kick packet
+
+ // Switch to a state when all further packets are silently ignored:
+ m_State = 255;
+ return false;
+ }
+ case 255:
+ {
+ // This is the state used for "not processing packets anymore" when we receive a bad packet from a client.
+ // Do not output anything (the caller will do that for us), just return failure
+ return false;
+ }
} // switch (m_State)
- // Unknown packet type, report to the client:
+ // Unknown packet type, report to the ClientHandle:
m_Client->PacketUnknown(a_PacketType);
return false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 13:12:55 +0200