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Show external IP when hosting, if possible

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Fixes: core-developers/forge#396

Signed-off-by: Jamin W. Collins <jamin.collins@gmail.com>
This commit is contained in:
Jamin W. Collins
2018-03-30 08:37:17 -06:00
parent 35d0e73901
commit 2f5a83e171
2 changed files with 44 additions and 11 deletions
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22
forge-gui/src/main/java/forge/net/NetConnectUtil.java
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@@ -106,10 +106,24 @@ public class NetConnectUtil {
} }
public static void copyHostedServerUrl() { public static void copyHostedServerUrl() {
String hostname = FServerManager.getInstance().getLocalAddress(); String internalAddress = FServerManager.getInstance().getLocalAddress();
String url = hostname + ":" + ForgeProfileProperties.getServerPort(); String externalAddress = FServerManager.getInstance().getExternalAddress();
GuiBase.getInterface().copyToClipboard(url); String internalUrl = internalAddress + ":" + ForgeProfileProperties.getServerPort();
SOptionPane.showMessageDialog("Share the following URL with anyone who wishes to join your server. It has been copied to your clipboard for convenience.\n\n" + url, "Server URL", SOptionPane.INFORMATION_ICON); String externalUrl = null;
if (externalAddress != null) {
externalUrl = externalAddress + ":" + ForgeProfileProperties.getServerPort();
GuiBase.getInterface().copyToClipboard(externalUrl);
} else {
GuiBase.getInterface().copyToClipboard(internalAddress);
}
String message = "Share the following URL with anyone who wishes to join your server. It has been copied to your clipboard for convenience.\n\n";
if (externalUrl != null) {
message += externalUrl + "\n\nFor internal games, use the following URL: " + internalUrl;
} else {
message = "Forge was unable to determine your external IP!\n\n" + message + internalUrl;
}
SOptionPane.showMessageDialog(message, "Server URL", SOptionPane.INFORMATION_ICON);
} }
public static ChatMessage join(final String url, final IOnlineLobby onlineLobby, final IOnlineChatInterface chatInterface) { public static ChatMessage join(final String url, final IOnlineLobby onlineLobby, final IOnlineChatInterface chatInterface) {

33
forge-gui/src/main/java/forge/net/server/FServerManager.java
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@@ -30,13 +30,10 @@ import io.netty.handler.codec.serialization.ObjectEncoder;
import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler; import io.netty.handler.logging.LoggingHandler;
import java.net.DatagramSocket; import java.io.BufferedReader;
import java.net.Inet4Address; import java.io.IOException;
import java.net.Inet6Address; import java.io.InputStreamReader;
import java.net.InetAddress; import java.net.*;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Collection; import java.util.Collection;
import java.util.Collections; import java.util.Collections;
import java.util.Enumeration; import java.util.Enumeration;
@@ -253,6 +250,28 @@ public final class FServerManager {
} }
} }
public static String getExternalAddress() {
BufferedReader in = null;
try {
URL whatismyip = new URL("http://checkip.amazonaws.com");
in = new BufferedReader(new InputStreamReader(
whatismyip.openStream()));
String ip = in.readLine();
return ip;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return null;
}
private void mapNatPort(final int port) { private void mapNatPort(final int port) {
final String localAddress = getLocalAddress(); final String localAddress = getLocalAddress();
final PortMapping portMapping = new PortMapping(port, localAddress, PortMapping.Protocol.TCP, "Forge"); final PortMapping portMapping = new PortMapping(port, localAddress, PortMapping.Protocol.TCP, "Forge");