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Re: Actually exit the JVM after stopping the server when /restart is ran

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Shane Freeder 2017-06-09 01:46:54 +01:00
parent 5e40806ee2
commit c829f34e0c
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GPG Key ID: A3F61EA5A085289C
1 changed files with 64 additions and 61 deletions
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125
Spigot-Server-Patches/0208-Properly-handle-async-calls-to-restart-the-server.patch
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@ -1,4 +1,4 @@
From 7b1933c71d02d89958060b7f42de0f5c7c7adf68 Mon Sep 17 00:00:00 2001 From c4d55d1a8975ff584d14bf11ab108105ff349566 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com> From: Zach Brown <zach.brown@destroystokyo.com>
Date: Fri, 12 May 2017 23:34:11 -0500 Date: Fri, 12 May 2017 23:34:11 -0500
Subject: [PATCH] Properly handle async calls to restart the server Subject: [PATCH] Properly handle async calls to restart the server
@ -30,7 +30,7 @@ will have plugins and worlds saving to the disk has a high potential to result
in corruption/dataloss. in corruption/dataloss.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 42769d164..6c5b40f32 100644 index eb5858189..d84f59da1 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java --- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -70,6 +70,7 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IAs @@ -70,6 +70,7 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IAs
@ -78,7 +78,7 @@ index 42769d164..6c5b40f32 100644
return this.serverThread; return this.serverThread;
} }
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 772670a03..34f113ee5 100644 index a988fc8b9..0c3287823 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java --- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java +++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -1361,10 +1361,15 @@ public abstract class PlayerList { @@ -1361,10 +1361,15 @@ public abstract class PlayerList {
@ -107,16 +107,14 @@ index 772670a03..34f113ee5 100644
// CraftBukkit start // CraftBukkit start
public void sendMessage(IChatBaseComponent[] iChatBaseComponents) { public void sendMessage(IChatBaseComponent[] iChatBaseComponents) {
diff --git a/src/main/java/org/spigotmc/RestartCommand.java b/src/main/java/org/spigotmc/RestartCommand.java diff --git a/src/main/java/org/spigotmc/RestartCommand.java b/src/main/java/org/spigotmc/RestartCommand.java
index 49768734d..e1bc3e64e 100644 index 49768734d..d51636c8e 100644
--- a/src/main/java/org/spigotmc/RestartCommand.java --- a/src/main/java/org/spigotmc/RestartCommand.java
+++ b/src/main/java/org/spigotmc/RestartCommand.java +++ b/src/main/java/org/spigotmc/RestartCommand.java
@@ -45,88 +45,119 @@ public class RestartCommand extends Command @@ -45,88 +45,123 @@ public class RestartCommand extends Command
AsyncCatcher.enabled = false; // Disable async catcher incase it interferes with us AsyncCatcher.enabled = false; // Disable async catcher incase it interferes with us
try try
{ {
- if ( script.isFile() ) - if ( script.isFile() )
- {
- System.out.println( "Attempting to restart with " + SpigotConfig.restartScript );
+ // Paper - extract method and cleanup + // Paper - extract method and cleanup
+ boolean isRestarting = addShutdownHook(script); + boolean isRestarting = addShutdownHook(script);
+ if (isRestarting) { + if (isRestarting) {
@ -124,48 +122,17 @@ index 49768734d..e1bc3e64e 100644
+ } else { + } else {
+ System.out.println( "Startup script '" + SpigotConfig.restartScript + "' does not exist! Stopping server." ); + System.out.println( "Startup script '" + SpigotConfig.restartScript + "' does not exist! Stopping server." );
+ } + }
+
- // Disable Watchdog
- WatchdogThread.doStop();
+ // Stop the watchdog + // Stop the watchdog
+ WatchdogThread.doStop(); + WatchdogThread.doStop();
+
- // Kick all players
- for ( EntityPlayer p : (List< EntityPlayer>) MinecraftServer.getServer().getPlayerList().players )
- {
- p.playerConnection.disconnect(SpigotConfig.restartMessage);
- }
- // Give the socket a chance to send the packets
- try
- {
- Thread.sleep( 100 );
- } catch ( InterruptedException ex )
- {
- }
- // Close the socket so we can rebind with the new process
- MinecraftServer.getServer().getServerConnection().b();
-
- // Give time for it to kick in
- try
- {
- Thread.sleep( 100 );
- } catch ( InterruptedException ex )
- {
- }
+ shutdownServer(isRestarting); + shutdownServer(isRestarting);
+ } catch ( Exception ex ) + } catch ( Exception ex )
+ { + {
+ ex.printStackTrace(); + ex.printStackTrace();
+ } + }
+ } + }
+
- // Actually shutdown
- try
- {
- MinecraftServer.getServer().stop();
- } catch ( Throwable t )
- {
- }
+ // Paper start - sync copied from above with minor changes, async added + // Paper start - sync copied from above with minor changes, async added
+ private static void shutdownServer(boolean isRestarting) + private static void shutdownServer(boolean isRestarting)
+ { + {
@ -181,9 +148,58 @@ index 49768734d..e1bc3e64e 100644
+ { + {
+ Thread.sleep( 100 ); + Thread.sleep( 100 );
+ } catch ( InterruptedException ex ) + } catch ( InterruptedException ex )
{
- System.out.println( "Attempting to restart with " + SpigotConfig.restartScript );
+ }
- // Disable Watchdog
- WatchdogThread.doStop();
+ closeSocket();
- // Kick all players
- for ( EntityPlayer p : (List< EntityPlayer>) MinecraftServer.getServer().getPlayerList().players )
- {
- p.playerConnection.disconnect(SpigotConfig.restartMessage);
- }
- // Give the socket a chance to send the packets
- try
- {
- Thread.sleep( 100 );
- } catch ( InterruptedException ex )
- {
- }
- // Close the socket so we can rebind with the new process
- MinecraftServer.getServer().getServerConnection().b();
+ // Actually shutdown
+ try
+ {
+ MinecraftServer.getServer().stop();
+ } catch ( Throwable t )
+ { + {
+ } + }
- // Give time for it to kick in
- try
- {
- Thread.sleep( 100 );
- } catch ( InterruptedException ex )
- {
- }
+ // Actually stop the JVM
+ System.exit(0);
- // Actually shutdown
- try
- {
- MinecraftServer.getServer().stop();
- } catch ( Throwable t )
- {
- }
+ } else
+ {
+ // Mark the server to shutdown at the end of the tick
+ MinecraftServer.getServer().safeShutdown(isRestarting);
- // This will be done AFTER the server has completely halted - // This will be done AFTER the server has completely halted
- Thread shutdownHook = new Thread() - Thread shutdownHook = new Thread()
- { - {
@ -209,24 +225,19 @@ index 49768734d..e1bc3e64e 100644
- } - }
- } - }
- }; - };
+ closeSocket();
- shutdownHook.setDaemon( true ); - shutdownHook.setDaemon( true );
- Runtime.getRuntime().addShutdownHook( shutdownHook ); - Runtime.getRuntime().addShutdownHook( shutdownHook );
- } else - } else
+ // Actually shutdown + // wait 10 seconds to see if we're actually going to try shutdown
+ try + try
+ {
+ Thread.sleep(10000);
+ }
+ catch (InterruptedException ignored)
{ {
- System.out.println( "Startup script '" + SpigotConfig.restartScript + "' does not exist! Stopping server." ); - System.out.println( "Startup script '" + SpigotConfig.restartScript + "' does not exist! Stopping server." );
+ MinecraftServer.getServer().stop(); -
+ } catch ( Throwable t )
+ {
+ }
+ } else
+ {
+ // Mark the server to shutdown at the end of the tick
+ MinecraftServer.getServer().safeShutdown(isRestarting);
- // Actually shutdown - // Actually shutdown
- try - try
- { - {
@ -234,14 +245,6 @@ index 49768734d..e1bc3e64e 100644
- } catch ( Throwable t ) - } catch ( Throwable t )
- { - {
- } - }
+
+ // wait 10 seconds to see if we're actually going to try shutdown
+ try
+ {
+ Thread.sleep(10000);
+ }
+ catch (InterruptedException ignored)
+ {
} }
+ +
+ // Check if we've actually hit a state where the server is going to safely shutdown + // Check if we've actually hit a state where the server is going to safely shutdown
@ -303,5 +306,5 @@ index 49768734d..e1bc3e64e 100644
} }
} }
-- --
2.13.0.windows.1 2.13.1