fix(multiplayer): get ip from hiper log.

HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerManager.java

@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.ui.multiplayer;
 
 import com.google.gson.JsonParseException;
 import com.google.gson.annotations.SerializedName;
+import jdk.nashorn.internal.parser.JSONParser;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.event.EventManager;
@@ -26,6 +27,7 @@ import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
 import org.jackhuang.hmcl.util.io.ChecksumMismatchException;
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.io.HttpRequest;
@@ -50,8 +52,7 @@ import java.util.logging.Level;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Lang.*;
-import static org.jackhuang.hmcl.util.Lang.wrap;
 import static org.jackhuang.hmcl.util.Logging.LOG;
 import static org.jackhuang.hmcl.util.Pair.pair;
 
@@ -188,7 +189,7 @@ public final class MultiplayerManager {
             // 下载 HiPer 配置文件
             String certFileContent;
             try {
-                certFileContent = HttpRequest.GET(String.format("https://cert.mcer.cn/%s.yml", token)).getString();
+                certFileContent = HttpRequest.GET(String.format("https://cert.mcer.cn/%s.yml", token)).getString() + "\nlogging:\n  format: json\n  file_path: ./hiper.log";
             } catch (IOException e) {
                 throw new HiperInvalidTokenException();
             }
@@ -219,6 +220,7 @@ public final class MultiplayerManager {
         private final EventManager<HiperExitEvent> onExit = new EventManager<>();
         private final EventManager<HiperIPEvent> onIPAllocated = new EventManager<>();
         private final BufferedWriter writer;
+        private int error = 0;
 
         HiperSession(Process process, List<String> commands) {
             super(process, commands);
@@ -237,8 +239,30 @@ public final class MultiplayerManager {
         private void onLog(String log) {
             LOG.info("[Hiper] " + log);
 
-            if (log.contains("IP")) {
+            if (log.contains("failed to load config")) {
-                // TODO
+                error = HiperExitEvent.INVALID_CONFIGURATION;
+                return;
+            }
+
+            try {
+                Map<?, ?> logJson = JsonUtils.fromNonNullJson(log, Map.class);
+                String msg = "";
+                if (logJson.containsKey("msg")) {
+                    msg = tryCast(logJson.get("msg"), String.class).orElse("");
+                    if (msg.contains("Failed to get a tun/tap device")) {
+                        error = HiperExitEvent.FAILED_GET_DEVICE;
+                    }
+                }
+
+                if (logJson.containsKey("network")) {
+                    Map<?, ?> network = tryCast(logJson.get("network"), Map.class).orElse(Collections.emptyMap());
+                    if (network.containsKey("IP") && msg.contains("Main HostMap created")) {
+                        Optional<String> ip = tryCast(network.get("IP"), String.class);
+                        ip.ifPresent(s -> onIPAllocated.fireEvent(new HiperIPEvent(this, s)));
+                    }
+                }
+            } catch (JsonParseException e) {
+                LOG.log(Level.WARNING, "Failed to parse hiper log: " + log, e);
             }
         }
 
@@ -246,7 +270,11 @@ public final class MultiplayerManager {
             try {
                 int exitCode = getProcess().waitFor();
                 LOG.info("Hiper exited with exitcode " + exitCode);
+                if (error != 0) {
+                    onExit.fireEvent(new HiperExitEvent(this, error));
+                } else {
                     onExit.fireEvent(new HiperExitEvent(this, exitCode));
+                }
             } catch (InterruptedException e) {
                 onExit.fireEvent(new HiperExitEvent(this, HiperExitEvent.INTERRUPTED));
             } finally {
@@ -283,9 +311,9 @@ public final class MultiplayerManager {
         }
 
         public static final int INTERRUPTED = -1;
-
+        public static final int INVALID_CONFIGURATION = -2;
-        public static final int INVALID_CONFIGURATION = 1;
+        public static final int CERTIFICATE_EXPIRED = -3;
-        public static final int CERTIFICATE_EXPIRED = 11;
+        public static final int FAILED_GET_DEVICE = -4;
     }
 
     public static class HiperIPEvent extends Event {

HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerPage.java

@@ -251,6 +251,9 @@ public class MultiplayerPage extends DecoratorAnimatedPage implements DecoratorP
                 case MultiplayerManager.HiperExitEvent.INTERRUPTED:
                     // do nothing
                     break;
+                case MultiplayerManager.HiperExitEvent.FAILED_GET_DEVICE:
+                    Controllers.dialog(i18n("multiplayer.error.failed_get_device"));
+                    break;
                 default:
                     Controllers.dialog(i18n("multiplayer.exit", event.getExitCode()));
                     break;

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -690,6 +690,7 @@ multiplayer.download=正在下载依赖
 multiplayer.download.failed=初始化失败，部分文件未能完成下载
 multiplayer.download.success=多人联机初始化完成
 multiplayer.download.unsupported=多人联机依赖不支持当前系统或平台
+multiplayer.error.failed_get_device=HiPer 无法创建网络设备，可能是缺少 root 权限。
 multiplayer.error.file_not_found=找不到 HiPer 程序。该程序应该在进入多人联机页面时完成下载。请重启 HMCL 再试。\n请检查你电脑的杀毒软件是否将 HiPer 标记为病毒，如果是，请恢复 HiPer。
 multiplayer.exit=HiPer 意外退出，退出码 %d
 multiplayer.hint=多人联机功能处于实验阶段，如果有问题请前往 mcer.cn 反馈