10.0.7

common/lib/src/model/server_result.dart

@@ -1,9 +1,12 @@
+import 'dart:io';
+
 class ServerResult {
   final ServerResultType type;
+  final ServerImplementation? implementation;
   final Object? error;
   final StackTrace? stackTrace;
 
-  ServerResult(this.type, {this.error, this.stackTrace});
+  ServerResult(this.type, {this.implementation, this.error, this.stackTrace});
 
   @override
   String toString() {
@@ -11,22 +14,32 @@ class ServerResult {
   }
 }
 
+class ServerImplementation {
+  final Process? process;
+  final HttpServer? server;
+
+  ServerImplementation({this.process, this.server});
+}
+
 enum ServerResultType {
   starting,
+  startMissingHostError,
+  startMissingPortError,
+  startIllegalPortError,
+  startFreeingPort,
+  startFreePortSuccess,
+  startFreePortError,
+  startPingingRemote,
+  startPingingLocal,
+  startPingError,
+  startedImplementation,
   startSuccess,
   startError,
   stopping,
   stopSuccess,
-  stopError,
-  missingHostError,
-  missingPortError,
-  illegalPortError,
-  freeingPort,
-  freePortSuccess,
-  freePortError,
-  pingingRemote,
-  pingingLocal,
-  pingError;
+  stopError;
+
+  bool get isStart => name.contains("start");
 
   bool get isError => name.contains("Error");
 

common/lib/src/util/backend.dart

@@ -15,6 +15,122 @@ final Semaphore _semaphore = Semaphore();
 String? _lastIp;
 String? _lastPort;
 
+Stream<ServerResult> startBackend({required ServerType type, required String host, required String port, required bool detached, required void Function(String) onError}) async* {
+  Process? process;
+  HttpServer? server;
+  try {
+    host = host.trim();
+    port = port.trim();
+    if(type != ServerType.local || port != kDefaultBackendPort.toString()) {
+      yield ServerResult(ServerResultType.starting);
+    }
+
+    if (host.isEmpty) {
+      yield ServerResult(ServerResultType.startMissingHostError);
+      return;
+    }
+
+    if (port.isEmpty) {
+      yield ServerResult(ServerResultType.startMissingPortError);
+      return;
+    }
+
+    final portNumber = int.tryParse(port);
+    if (portNumber == null) {
+      yield ServerResult(ServerResultType.startIllegalPortError);
+      return;
+    }
+
+    if ((type != ServerType.local || port != kDefaultBackendPort.toString()) && !(await isBackendPortFree())) {
+      yield ServerResult(ServerResultType.startFreeingPort);
+      final result = await freeBackendPort();
+      if(!result) {
+        yield ServerResult(ServerResultType.startFreePortError);
+        return;
+      }
+
+      yield ServerResult(ServerResultType.startFreePortSuccess);
+    }
+
+    switch(type){
+      case ServerType.embedded:
+        process = await startEmbeddedBackend(detached, onError: onError);
+        yield ServerResult(ServerResultType.startedImplementation, implementation: ServerImplementation(process: process));
+        break;
+      case ServerType.remote:
+        yield ServerResult(ServerResultType.startPingingRemote);
+        final uriResult = await pingBackend(host, portNumber);
+        if(uriResult == null) {
+          yield ServerResult(ServerResultType.startPingError);
+          return;
+        }
+
+        server = await startRemoteBackendProxy(uriResult);
+        yield ServerResult(ServerResultType.startedImplementation, implementation: ServerImplementation(server: server));
+        break;
+      case ServerType.local:
+        if(portNumber != kDefaultBackendPort) {
+          yield ServerResult(ServerResultType.startPingingLocal);
+          final uriResult = await pingBackend(kDefaultBackendHost, portNumber);
+          if(uriResult == null) {
+            yield ServerResult(ServerResultType.startPingError);
+            return;
+          }
+
+          server = await startRemoteBackendProxy(Uri.parse("http://$kDefaultBackendHost:$port"));
+          yield ServerResult(ServerResultType.startedImplementation, implementation: ServerImplementation(server: server));
+        }
+        break;
+    }
+
+    yield ServerResult(ServerResultType.startPingingLocal);
+    final uriResult = await pingBackend(kDefaultBackendHost, kDefaultBackendPort);
+    if(uriResult == null) {
+      yield ServerResult(ServerResultType.startPingError);
+      process?.kill(ProcessSignal.sigterm);
+      server?.close(force: true);
+      return;
+    }
+
+    yield ServerResult(ServerResultType.startSuccess);
+  }catch(error, stackTrace) {
+    yield ServerResult(
+        ServerResultType.startError,
+        error: error,
+        stackTrace: stackTrace
+    );
+    process?.kill(ProcessSignal.sigterm);
+    server?.close(force: true);
+  }
+}
+
+Stream<ServerResult> stopBackend({required ServerType type, required ServerImplementation? implementation}) async* {
+  yield ServerResult(ServerResultType.stopping);
+  try{
+    switch(type){
+      case ServerType.embedded:
+        final process = implementation?.process;
+        if(process != null) {
+          Process.killPid(process.pid, ProcessSignal.sigterm);
+        }
+        break;
+      case ServerType.remote:
+        await implementation?.server?.close(force: true);
+        break;
+      case ServerType.local:
+        await implementation?.server?.close(force: true);
+        break;
+    }
+    yield ServerResult(ServerResultType.stopSuccess);
+  }catch(error, stackTrace){
+    yield ServerResult(
+        ServerResultType.stopError,
+        error: error,
+        stackTrace: stackTrace
+    );
+  }
+}
+
 Future<Process> startEmbeddedBackend(bool detached, {void Function(String)? onError}) async {
   final process = await startProcess(
     executable: backendStartExecutable,
@@ -25,7 +141,9 @@ Future<Process> startEmbeddedBackend(bool detached, {void Function(String)? onEr
     log("[BACKEND] Error: $error");
     onError?.call(error);
   });
-  process.exitCode.then((exitCode) => log("[BACKEND] Exit code: $exitCode"));
+  if(!detached) {
+    process.exitCode.then((exitCode) => log("[BACKEND] Exit code: $exitCode"));
+  }
   return process;
 }
 

common/lib/src/util/dll.dart

@@ -7,11 +7,17 @@ import 'package:reboot_common/common.dart';
 
 final File rebootBeforeS20DllFile = File("${dllsDirectory.path}\\reboot.dll");
 final File rebootAboveS20DllFile = File("${dllsDirectory.path}\\rebootS20.dll");
+
 const String kRebootBelowS20DownloadUrl =
     "https://nightly.link/Milxnor/Project-Reboot-3.0/workflows/msbuild/master/Reboot.zip";
 const String kRebootAboveS20DownloadUrl =
     "https://nightly.link/Milxnor/Project-Reboot-3.0/workflows/msbuild/master/RebootS20.zip";
 
+const String _kRebootBelowS20FallbackDownloadUrl =
+    "https://github.com/Auties00/reboot_launcher/raw/master/gui/dependencies/dlls/RebootFallback.zip";
+const String _kRebootAboveS20FallbackDownloadUrl =
+    "https://github.com/Auties00/reboot_launcher/raw/master/gui/dependencies/dlls/RebootS20Fallback.zip";
+
 Future<bool> hasRebootDllUpdate(int? lastUpdateMs, {int hours = 24, bool force = false}) async {
     final lastUpdate = await _getLastUpdate(lastUpdateMs);
     final exists = await rebootBeforeS20DllFile.exists() && await rebootAboveS20DllFile.exists();
@@ -45,12 +51,15 @@ Future<void> downloadDependency(InjectableDll dll, String outputPath) async {
     await output.writeAsBytes(response.bodyBytes, flush: true);
 }
 
-Future<void> downloadRebootDll(File file, String url) async {
+Future<void> downloadRebootDll(File file, String url, bool aboveS20) async {
     Directory? outputDir;
     try {
-        final response = await http.get(Uri.parse(url));
+        var response = await http.get(Uri.parse(url));
         if(response.statusCode != 200) {
-            throw Exception("Cannot download reboot.zip: status code ${response.statusCode}");
+            response = await http.get(Uri.parse(aboveS20 ? _kRebootAboveS20FallbackDownloadUrl : _kRebootBelowS20FallbackDownloadUrl));
+            if(response.statusCode != 200) {
+                throw Exception("status code ${response.statusCode}");
+            }
         }
 
         outputDir = await installationDirectory.createTemp("reboot_out");

common/lib/src/util/process.dart

@@ -168,20 +168,6 @@ bool resume(int pid) {
   }
 }
 
-
-Future<void> watchProcess(int pid) => Isolate.run(() {
-  final processHandle = OpenProcess(FILE_ACCESS_RIGHTS.SYNCHRONIZE, FALSE, pid);
-  if (processHandle == 0) {
-    return;
-  }
-
-  try {
-    WaitForSingleObject(processHandle, INFINITE);
-  }finally {
-    CloseHandle(processHandle);
-  }
-});
-
 List<String> createRebootArgs(String username, String password, bool host, GameServerType hostType, bool logging, String additionalArgs) {
   log("[PROCESS] Generating reboot args");
   if(password.isEmpty) {
@@ -292,16 +278,8 @@ final class _ExtendedProcess implements Process {
         _stdout = attached ? delegate.stdout.asBroadcastStream() : null,
         _stderr = attached ? delegate.stderr.asBroadcastStream() : null;
 
-
   @override
-  Future<int> get exitCode {
-    try {
-      return _delegate.exitCode;
-    }catch(_) {
-      return watchProcess(_delegate.pid)
-          .then((_) => -1);
-    }
-  }
+  Future<int> get exitCode => _delegate.exitCode;
 
   @override
   bool kill([ProcessSignal signal = ProcessSignal.sigterm]) => _delegate.kill(signal);