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UPnP Port Forwarding

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Co-authored-by: omega24 <ben@omega24.dev>
This commit is contained in:
William Blake Galbreath
2025-01-12 13:04:46 -08:00
committed by granny
parent 7703bd1fd1
commit 77adc2f882
5 changed files with 57 additions and 85 deletions
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31
purpur-server/minecraft-patches/sources/net/minecraft/server/dedicated/DedicatedServer.java.patch
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@@ -16,6 +16,37 @@
com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
this.setPvpAllowed(properties.pvp);
@@ -271,6 +_,30 @@
if (true) throw new IllegalStateException("Failed to bind to port", var10); // Paper - Propagate failed to bind to port error
return false;
}
+ // Purpur start - UPnP Port Forwarding
+ if (org.purpurmc.purpur.PurpurConfig.useUPnP) {
+ LOGGER.info("[UPnP] Attempting to start UPnP port forwarding service...");
+ if (dev.omega24.upnp4j.UPnP4J.isUPnPAvailable()) {
+ if (dev.omega24.upnp4j.UPnP4J.isOpen(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+ this.upnp = false;
+ LOGGER.info("[UPnP] Port {} is already open", this.getPort());
+ } else if (dev.omega24.upnp4j.UPnP4J.open(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+ this.upnp = true;
+ LOGGER.info("[UPnP] Successfully opened port {}", this.getPort());
+ } else {
+ this.upnp = false;
+ LOGGER.info("[UPnP] Failed to open port {}", this.getPort());
+ }
+
+ if (upnp) {
+ LOGGER.info("[UPnP] {}:{}", dev.omega24.upnp4j.UPnP4J.getExternalIP(), this.getPort());
+ }
+ } else {
+ this.upnp = false;
+ LOGGER.error("[UPnP] Service is unavailable");
+ }
+ }
+ // Purpur end - UPnP Port Forwarding
// CraftBukkit start
// this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage)); // Spigot - moved up
@@ -350,6 +_,7 @@
LOGGER.info("JMX monitoring enabled");
}