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Workaround for blocks having a huge amount of active objects; add log messages related to active objects for investigation

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This commit is contained in:
Perttu Ahola 2011-10-17 11:52:38 +03:00
parent 3daaff3a42
commit e9888c8e25
1 changed files with 71 additions and 17 deletions
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80
src/environment.cpp
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@ -1345,8 +1345,6 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
assert(object);
if(object->getId() == 0){
u16 new_id = getFreeServerActiveObjectId(m_active_objects);
verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"created new id "<<new_id<<std::endl;
if(new_id == 0)
{
errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
@ -1374,7 +1372,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"Added id="<<object->getId()<<"; there are now "
<<m_active_objects.size()<<" active objects in the list."
<<m_active_objects.size()<<" active objects."
<<std::endl;
// Add static object to active static list of the block
@ -1386,12 +1384,6 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
if(block)
{
verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"found block for storing id="<<object->getId()
<<" statically"
<<" (set_changed="<<(set_changed?"true":"false")<<")"
<<std::endl;
block->m_static_objects.m_active.insert(object->getId(), s_obj);
object->m_static_exists = true;
object->m_static_block = blockpos;
@ -1400,8 +1392,9 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
block->setChangedFlag();
}
else{
errorstream<<"ServerEnv: Could not find a block for "
<<"storing newly added active object statically"<<std::endl;
errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"could not find block for storing id="<<object->getId()
<<" statically"<<std::endl;
}
return object->getId();
@ -1466,6 +1459,40 @@ void ServerEnvironment::removeRemovedObjects()
}
}
static void print_hexdump(std::ostream &o, const std::string &data)
{
const int linelength = 16;
for(int l=0; ; l++){
int i0 = linelength * l;
bool at_end = false;
int thislinelength = linelength;
if(i0 + thislinelength > (int)data.size()){
thislinelength = data.size() - i0;
at_end = true;
}
for(int di=0; di<linelength; di++){
int i = i0 + di;
char buf[4];
if(di<thislinelength)
snprintf(buf, 4, "%.2x ", data[i]);
else
snprintf(buf, 4, " ");
o<<buf;
}
o<<" ";
for(int di=0; di<thislinelength; di++){
int i = i0 + di;
if(data[i] >= 32)
o<<data[i];
else
o<<".";
}
o<<std::endl;
if(at_end)
break;
}
}
/*
Convert stored objects from blocks near the players to active.
*/
@ -1480,6 +1507,14 @@ void ServerEnvironment::activateObjects(MapBlock *block)
<<"activating objects of block "<<PP(block->getPos())
<<" ("<<block->m_static_objects.m_stored.size()
<<" objects)"<<std::endl;
bool large_amount = (block->m_static_objects.m_stored.size() >= 50);
if(large_amount){
errorstream<<"suspiciously large amount of objects detected: "
<<block->m_static_objects.m_stored.size()<<" in "
<<PP(block->getPos())
<<"; not activating."<<std::endl;
return;
}
// A list for objects that couldn't be converted to static for some
// reason. They will be stored back.
core::list<StaticObject> new_stored;
@ -1497,9 +1532,18 @@ void ServerEnvironment::activateObjects(MapBlock *block)
// If couldn't create object, store static data back.
if(obj==NULL)
{
errorstream<<"ServerEnvironment::activateObjects(): "
<<"failed to create active object from static object "
<<"in block "<<PP(s_obj.pos/BS)
<<" type="<<(int)s_obj.type<<" data:"<<std::endl;
print_hexdump(verbosestream, s_obj.data);
new_stored.push_back(s_obj);
continue;
}
verbosestream<<"ServerEnvironment::activateObjects(): "
<<"activated static object pos="<<PP(s_obj.pos/BS)
<<" type="<<(int)s_obj.type<<std::endl;
// This will also add the object to the active static list
addActiveObjectRaw(obj, false);
//u16 id = addActiveObjectRaw(obj, false);
@ -1575,7 +1619,9 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
block->m_static_objects.remove(id);
oldblock = block;
}
obj->m_static_exists = false;
}
// Create new static object
std::string staticdata = obj->getStaticData();
StaticObject s_obj(obj->getType(), objectpos, staticdata);
@ -1597,15 +1643,23 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
if(block)
{
if(block->m_static_objects.m_stored.size() >= 50){
errorstream<<"ServerEnv: Trying to store id="<<obj->getId()
<<" statically but block "<<PP(blockpos)
<<" already contains over 50 objects."
<<" Forcing delete."<<std::endl;
force_delete = true;
} else {
block->m_static_objects.insert(0, s_obj);
block->setChangedFlag();
obj->m_static_exists = true;
obj->m_static_block = block->getPos();
}
}
else{
errorstream<<"ServerEnv: Could not find or generate "
<<"a block for storing static object"<<std::endl;
obj->m_static_exists = false;
<<"a block for storing id="<<obj->getId()
<<" statically"<<std::endl;
continue;
}