Revert all the energy "fixes". Will crash on concurrent modifications.

This commit is contained in:
PrototypeTrousers
2021-09-18 21:48:53 -03:00
parent 188e3a75cc
commit 67bdd885d5
+33 -145
View File
@@ -30,7 +30,6 @@ import java.util.PriorityQueue;
import java.util.Queue; import java.util.Queue;
import java.util.Set; import java.util.Set;
import com.google.common.base.Preconditions;
import com.google.common.collect.HashMultiset; import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset; import com.google.common.collect.Multiset;
import com.google.common.collect.Sets; import com.google.common.collect.Sets;
@@ -64,9 +63,8 @@ import appeng.me.energy.EnergyWatcher;
public class EnergyGridCache implements IEnergyGrid public class EnergyGridCache implements IEnergyGrid
{ {
private static final double MAX_BUFFER_STORAGE = 800; private static final double MAX_BUFFER_STORAGE = 200;
private static final Comparator<IEnergyGridProvider> COMPARATOR_HIGHEST_AMOUNT_STORED_FIRST = ( o1, o2 ) -> Double.compare( o2.getProviderStoredEnergy(), private static final Comparator<IEnergyGridProvider> COMPARATOR_HIGHEST_AMOUNT_STORED_FIRST = ( o1, o2 ) -> Double.compare( o2.getProviderStoredEnergy(), o1.getProviderStoredEnergy() );
o1.getProviderStoredEnergy() );
private static final Comparator<IEnergyGridProvider> COMPARATOR_LOWEST_PERCENTAGE_FIRST = ( o1, o2 ) -> private static final Comparator<IEnergyGridProvider> COMPARATOR_LOWEST_PERCENTAGE_FIRST = ( o1, o2 ) ->
{ {
@@ -77,24 +75,9 @@ public class EnergyGridCache implements IEnergyGrid
}; };
private final NavigableSet<EnergyThreshold> interests = Sets.newTreeSet(); private final NavigableSet<EnergyThreshold> interests = Sets.newTreeSet();
// Should only be modified from the add/remove methods below to guard against
// concurrent modifications
private final double averageLength = 40.0; private final double averageLength = 40.0;
private final Set<IAEPowerStorage> providers = new LinkedHashSet<>(); private final Set<IAEPowerStorage> providers = new LinkedHashSet<>();
// Used to track whether an extraction is currently in progress, to fail fast
// when something externally
// modifies the energy grid.
private boolean ongoingExtractOperation = false;
// Should only be modified from the add/remove methods below to guard against
// concurrent modifications
private final Set<IAEPowerStorage> requesters = new LinkedHashSet<>(); private final Set<IAEPowerStorage> requesters = new LinkedHashSet<>();
// Used to track whether an injection is currently in progress, to fail fast
// when something externally
// modifies the energy grid.
private boolean ongoingInjectOperation = false;
private final Multiset<IEnergyGridProvider> energyGridProviders = HashMultiset.create(); private final Multiset<IEnergyGridProvider> energyGridProviders = HashMultiset.create();
private final IGrid myGrid; private final IGrid myGrid;
private final HashMap<IGridNode, IEnergyWatcher> watchers = new HashMap<>(); private final HashMap<IGridNode, IEnergyWatcher> watchers = new HashMap<>();
@@ -126,10 +109,6 @@ public class EnergyGridCache implements IEnergyGrid
private double lastStoredPower = -1; private double lastStoredPower = -1;
private final GridPowerStorage localStorage = new GridPowerStorage(); private final GridPowerStorage localStorage = new GridPowerStorage();
private Set<IAEPowerStorage> providerToRemove = new HashSet<>();
private Set<IAEPowerStorage> requesterToRemove = new HashSet<>();
private Set<IAEPowerStorage> providersToAdd = new HashSet<>();
private Set<IAEPowerStorage> requesterToAdd = new HashSet<>();
public EnergyGridCache( final IGrid g ) public EnergyGridCache( final IGrid g )
{ {
@@ -168,27 +147,13 @@ public class EnergyGridCache implements IEnergyGrid
case PROVIDE_POWER: case PROVIDE_POWER:
if( ev.storage.getPowerFlow() != AccessRestriction.WRITE ) if( ev.storage.getPowerFlow() != AccessRestriction.WRITE )
{ {
if( !ongoingExtractOperation ) this.providers.add( ev.storage );
{
addProvider( ev.storage );
}
else
{
this.providersToAdd.add( ev.storage );
}
} }
break; break;
case REQUEST_POWER: case REQUEST_POWER:
if( ev.storage.getPowerFlow() != AccessRestriction.READ ) if( ev.storage.getPowerFlow() != AccessRestriction.READ )
{ {
if( !ongoingInjectOperation ) this.requesters.add( ev.storage );
{
addRequester( ev.storage );
}
else
{
this.requesterToAdd.add( ev.storage );
}
} }
break; break;
} }
@@ -231,7 +196,7 @@ public class EnergyGridCache implements IEnergyGrid
if( this.drainPerTick > 0.0001 ) if( this.drainPerTick > 0.0001 )
{ {
final double drained = this.extractAEPower( this.getIdlePowerUsage(), Actionable.MODULATE, PowerMultiplier.CONFIG ); final double drained = this.extractAEPower( this.getIdlePowerUsage(), Actionable.MODULATE, PowerMultiplier.CONFIG );
currentlyHasPower = drained >= this.drainPerTick - 0.001 && this.getStoredPower() > 0; currentlyHasPower = drained >= this.drainPerTick - 0.001;
} }
else else
{ {
@@ -335,32 +300,20 @@ public class EnergyGridCache implements IEnergyGrid
{ {
double extractedPower = 0; double extractedPower = 0;
this.providers.addAll( providersToAdd );
providersToAdd.clear();
final Iterator<IAEPowerStorage> it = this.providers.iterator(); final Iterator<IAEPowerStorage> it = this.providers.iterator();
ongoingExtractOperation = true; while ( extractedPower < amt && it.hasNext() )
try
{ {
while ( extractedPower < amt && it.hasNext() ) final IAEPowerStorage node = it.next();
final double req = amt - extractedPower;
final double newPower = node.extractAEPower( req, mode, PowerMultiplier.ONE );
extractedPower += newPower;
if( newPower < req && mode == Actionable.MODULATE )
{ {
final IAEPowerStorage node = it.next(); it.remove();
final double req = amt - extractedPower;
final double newPower = node.extractAEPower( req, mode, PowerMultiplier.ONE );
extractedPower += newPower;
if( newPower < req && mode == Actionable.MODULATE )
{
it.remove();
}
} }
} finally
{
providers.removeIf( p -> providerToRemove.contains( p ) );
this.providerToRemove.clear();
ongoingExtractOperation = false;
} }
final double result = Math.min( extractedPower, amt ); final double result = Math.min( extractedPower, amt );
@@ -384,30 +337,17 @@ public class EnergyGridCache implements IEnergyGrid
{ {
final double originalAmount = amt; final double originalAmount = amt;
this.requesters.addAll( requesterToAdd );
requesterToAdd.clear();
final Iterator<IAEPowerStorage> it = this.requesters.iterator(); final Iterator<IAEPowerStorage> it = this.requesters.iterator();
ongoingInjectOperation = true; while ( amt > 0 && it.hasNext() )
try
{ {
while ( amt > 0 && it.hasNext() ) final IAEPowerStorage node = it.next();
amt = node.injectAEPower( amt, mode );
if( amt > 0 && mode == Actionable.MODULATE )
{ {
final IAEPowerStorage node = it.next(); it.remove();
amt = node.injectAEPower( amt, mode );
if( amt > 0 && mode == Actionable.MODULATE )
{
it.remove();
}
} }
} finally
{
requesters.removeIf( r -> requesterToRemove.contains( r ) );
this.requesterToRemove.clear();
ongoingInjectOperation = false;
} }
final double overflow = Math.max( 0.0, amt ); final double overflow = Math.max( 0.0, amt );
@@ -487,7 +427,11 @@ public class EnergyGridCache implements IEnergyGrid
@Override @Override
public double getStoredPower() public double getStoredPower()
{ {
this.refreshPower(); if( this.availableTicksSinceUpdate > 90 )
{
this.refreshPower();
}
return Math.max( 0.0, this.globalAvailablePower ); return Math.max( 0.0, this.globalAvailablePower );
} }
@@ -560,22 +504,9 @@ public class EnergyGridCache implements IEnergyGrid
this.globalMaxPower -= ps.getAEMaxPower(); this.globalMaxPower -= ps.getAEMaxPower();
this.globalAvailablePower -= ps.getAECurrentPower(); this.globalAvailablePower -= ps.getAECurrentPower();
} }
if( !ongoingExtractOperation )
{ this.providers.remove( ps );
removeProvider( ps ); this.requesters.remove( ps );
}
else
{
this.providerToRemove.add( ps );
}
if( !ongoingInjectOperation )
{
removeRequester( ps );
}
else
{
this.requesterToRemove.add( ps );
}
} }
} }
@@ -591,31 +522,6 @@ public class EnergyGridCache implements IEnergyGrid
} }
} }
private void addRequester(IAEPowerStorage requester) {
Preconditions.checkState(!ongoingInjectOperation,
"Cannot modify energy requesters while energy is being injected.");
this.requesters.add(requester);
}
private void removeRequester(IAEPowerStorage requester) {
Preconditions.checkState(!ongoingInjectOperation,
"Cannot modify energy requesters while energy is being injected.");
this.requesters.remove(requester);
}
private void addProvider(IAEPowerStorage provider) {
Preconditions.checkState(!ongoingExtractOperation,
"Cannot modify energy providers while energy is being extracted.");
this.providers.add(provider);
}
private void removeProvider(IAEPowerStorage provider) {
Preconditions.checkState(!ongoingExtractOperation,
"Cannot modify energy providers while energy is being extracted.");
this.providers.remove(provider);
}
@Override @Override
public void addNode( final IGridNode node, final IGridHost machine ) public void addNode( final IGridNode node, final IGridHost machine )
{ {
@@ -647,26 +553,12 @@ public class EnergyGridCache implements IEnergyGrid
if( current > 0 && ps.getPowerFlow() != AccessRestriction.WRITE ) if( current > 0 && ps.getPowerFlow() != AccessRestriction.WRITE )
{ {
this.globalAvailablePower += current; this.globalAvailablePower += current;
if( !ongoingExtractOperation ) this.providers.add( ps );
{
addProvider( ps );
}
else
{
this.providersToAdd.add( ps );
}
} }
if( current < max && ps.getPowerFlow() != AccessRestriction.READ ) if( current < max && ps.getPowerFlow() != AccessRestriction.READ )
{ {
if( !ongoingInjectOperation ) this.requesters.add( ps );
{
addRequester( ps );
}
else
{
this.requesterToAdd.add( ps );
}
} }
} }
} }
@@ -788,13 +680,9 @@ public class EnergyGridCache implements IEnergyGrid
if( this.stored < 0.01 ) if( this.stored < 0.01 )
{ {
refreshPower(); EnergyGridCache.this.ticksSinceHasPowerChange = 0;
if (globalAvailablePower < MAX_BUFFER_STORAGE - 0.001) EnergyGridCache.this.publicPowerState( false, EnergyGridCache.this.myGrid );
{
EnergyGridCache.this.ticksSinceHasPowerChange = 0;
EnergyGridCache.this.publicPowerState( false, EnergyGridCache.this.myGrid );
}
} }
} }
} }
} }