Add config options to control autoSync

src/main/java/ru/bclib/api/dataexchange/handler/HelloClient.java

@@ -16,6 +16,7 @@ import ru.bclib.api.dataexchange.DataHandler;
 import ru.bclib.api.dataexchange.DataHandlerDescriptor;
 import ru.bclib.api.dataexchange.handler.DataExchange.AutoSyncID;
 import ru.bclib.api.datafixer.DataFixerAPI;
+import ru.bclib.config.Configs;
 import ru.bclib.gui.screens.SyncFilesScreen;
 import ru.bclib.gui.screens.WarnBCLibVersionMismatch;
 
@@ -61,6 +62,8 @@ public class HelloClient extends DataHandler {
 
 		//write BCLibVersion (=protocol version)
 		buf.writeInt(DataFixerAPI.getModVersion(vbclib));
+
+		if (Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "offerMods", true)) {
 			//write Plugin Versions
 			buf.writeInt(mods.size());
 			for (String modID : mods) {
@@ -69,9 +72,13 @@ public class HelloClient extends DataHandler {
 				buf.writeInt(DataFixerAPI.getModVersion(ver));
 				BCLib.LOGGER.info("    - Listing Mod " + modID + " v" + ver);
 			}
+		} else {
+			buf.writeInt(0);
+		}
 
+		if (Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "offerConfigs", true)) {
 			//do only include files that exist on the server
-		final List<AutoFileSyncEntry> autoSyncFiles = DataExchange
+			final List<AutoFileSyncEntry> existingAutoSyncFiles = DataExchange
 					.getInstance()
 					.autoSyncFiles
 					.stream()
@@ -79,12 +86,14 @@ public class HelloClient extends DataHandler {
 					.collect(Collectors.toList());
 
 			//send config Data
-		buf.writeInt(autoSyncFiles.size());
+			buf.writeInt(existingAutoSyncFiles.size());
-		for (AutoFileSyncEntry entry : autoSyncFiles) {
+			for (AutoFileSyncEntry entry : existingAutoSyncFiles) {
-			//System.out.println("Serializing " + entry.getFileHash());
 				entry.serialize(buf);
 				BCLib.LOGGER.info("    - Offering File " + entry);
 			}
+		} else {
+			buf.writeInt(0);
+		}
 	}
 	
 	String bclibVersion ="0.0.0";
@@ -148,7 +157,7 @@ public class HelloClient extends DataHandler {
 			BCLib.LOGGER.info("    - " + e + ": " + (willRequest ? " (requesting)":""));
 		}
 
-		if (filesToRequest.size()>0) {
+		if (filesToRequest.size()>0 && SendFiles.acceptFiles()) {
 			showDonwloadConfigs(client, filesToRequest);
 			return;
 		}

src/main/java/ru/bclib/api/dataexchange/handler/HelloServer.java

@@ -10,6 +10,7 @@ import ru.bclib.api.dataexchange.DataExchangeAPI;
 import ru.bclib.api.dataexchange.DataHandler;
 import ru.bclib.api.dataexchange.DataHandlerDescriptor;
 import ru.bclib.api.datafixer.DataFixerAPI;
+import ru.bclib.config.Configs;
 
 import java.io.File;
 
@@ -76,6 +77,9 @@ public class HelloServer extends DataHandler {
 	protected void runOnGameThread(Minecraft client, MinecraftServer server, boolean isClient) {
 		String localBclibVersion = HelloClient.getBCLibVersion();
 		BCLib.LOGGER.info("Received Hello from Client. (server="+localBclibVersion+", client="+bclibVersion+")");
+
+		if (Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
 			reply(new HelloClient(), server);
 		}
 	}
+}

src/main/java/ru/bclib/api/dataexchange/handler/SendFiles.java

@@ -11,6 +11,7 @@ import net.minecraft.server.MinecraftServer;
 import ru.bclib.BCLib;
 import ru.bclib.api.dataexchange.DataHandler;
 import ru.bclib.api.dataexchange.DataHandlerDescriptor;
+import ru.bclib.config.Configs;
 import ru.bclib.gui.screens.ConfirmRestartScreen;
 import ru.bclib.util.Pair;
 import ru.bclib.util.Triple;
@@ -37,6 +38,10 @@ public class SendFiles extends DataHandler {
 		this.token = token;
 	}
 
+	public static boolean acceptFiles() {
+		return Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "acceptFiles", true);
+	}
+	
 	@Override
 	protected void serializeData(FriendlyByteBuf buf) {
 		List<AutoFileSyncEntry> existingFiles = files.stream().filter(e -> e.fileName.exists()).collect(Collectors.toList());
@@ -59,6 +64,7 @@ public class SendFiles extends DataHandler {
 	private List<Pair<AutoFileSyncEntry, byte[]>> receivedFiles;
 	@Override
 	protected void deserializeFromIncomingData(FriendlyByteBuf buf, PacketSender responseSender, boolean fromClient) {
+		if (acceptFiles()) {
 			token = readString(buf);
 			if (!token.equals(RequestFiles.currentToken)) {
 				RequestFiles.newToken();
@@ -81,9 +87,11 @@ public class SendFiles extends DataHandler {
 				}
 			}
 		}
+	}
 	
 	@Override
 	protected void runOnGameThread(Minecraft client, MinecraftServer server, boolean isClient) {
+		if (acceptFiles()) {
 			BCLib.LOGGER.info("Writing Files:");
 			for (Pair<AutoFileSyncEntry, byte[]> entry : receivedFiles) {
 				final AutoFileSyncEntry e = entry.first;
@@ -99,6 +107,7 @@ public class SendFiles extends DataHandler {
 
 			showConfirmRestart(client);
 		}
+	}
 
 	@Environment(EnvType.CLIENT)
 	protected void showConfirmRestart(Minecraft client){

src/main/java/ru/bclib/config/Configs.java

@@ -1,15 +1,24 @@
 package ru.bclib.config;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
 import ru.bclib.BCLib;
 
 public class Configs {
 	public static final PathConfig MAIN_CONFIG = new PathConfig(BCLib.MOD_ID, "main");
 	public static final String MAIN_PATCH_CATEGORY = "patches";
+	public static final String MAIN_SYNC_CATEGORY = "client_sync";
 	
 	public static final PathConfig RECIPE_CONFIG = new PathConfig(BCLib.MOD_ID, "recipes");
 
+	@Environment(EnvType.CLIENT)
+	public static final PathConfig CLIENT_CONFIG = new PathConfig(BCLib.MOD_ID, "client");
+	
 	public static void save() {
 		MAIN_CONFIG.saveChanges();
 		RECIPE_CONFIG.saveChanges();
+		if (BCLib.isClient()) {
+			CLIENT_CONFIG.saveChanges();
+		}
 	}
 }