Handle ygopro message parse errors gracefully

YGOProMessages.js

@@ -6,10 +6,12 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.YGOProMessagesHelper = exports.LegacyStruct = exports.LegacyStructInst = void 0;
 const underscore_1 = __importDefault(require("underscore"));
 const load_constants_1 = __importDefault(require("./load-constants"));
+const bunyan_1 = __importDefault(require("bunyan"));
 const ygopro_msg_encode_1 = require("ygopro-msg-encode");
 const ygopro_msg_struct_compat_1 = require("./ygopro-msg-struct-compat");
 const proto_structs_json_1 = __importDefault(require("./data/proto_structs.json"));
 const utility_1 = require("./utility");
+const log = global.log || bunyan_1.default.createLogger({ name: "mycard" });
 class Handler {
     constructor(handler, synchronous) {
         this.handler = handler;
@@ -235,9 +237,25 @@ class YGOProMessagesHelper {
                         if (proto && handlerCollection.has(bufferProto)) {
                             for (const handler of handlerCollection.get(bufferProto)) {
                                 const protoCls = this.getProtoClass(bufferProto, direction);
-                                const info = protoCls
-                                    ? (0, ygopro_msg_struct_compat_1.applyYGOProMsgStructCompat)(new protoCls().fromPayload(buffer))
-                                    : null;
+                                let info = null;
+                                if (protoCls) {
+                                    try {
+                                        info = (0, ygopro_msg_struct_compat_1.applyYGOProMsgStructCompat)(new protoCls().fromPayload(buffer));
+                                    }
+                                    catch (e) {
+                                        // 解析失败不能卡死服务器：记录 warn，然后把 info 置为 {} 继续走 handler
+                                        log.warn({
+                                            err: e,
+                                            direction,
+                                            proto,
+                                            bufferProto,
+                                            messageLength,
+                                            protoCls: protoCls?.name,
+                                            bufferHex: buffer?.toString("hex")?.slice(0, 256),
+                                        }, "YGOPro message parse failed");
+                                        info = {};
+                                    }
+                                }
                                 cancel = await handler.handle(buffer, info, datas, params);
                                 if (cancel) {
                                     if (Buffer.isBuffer(cancel)) {

YGOProMessages.ts

 import _ from "underscore";
 import loadConstants from "./load-constants";
 import net from "net";
+import bunyan from "bunyan";
 import { YGOProCtos, YGOProCtosBase, YGOProStoc, YGOProStocBase } from "ygopro-msg-encode";
 import { applyYGOProMsgStructCompat, fromPartialCompat } from "./ygopro-msg-struct-compat";
 import legacyProtoStructs from "./data/proto_structs.json";
 import { overwriteBuffer } from "./utility";
 
+const log: bunyan = ((global as any).log as bunyan) || bunyan.createLogger({ name: "mycard" });
+
 
 class Handler {
 	constructor(
@@ -286,9 +289,27 @@ export class YGOProMessagesHelper {
 						if (proto && handlerCollection.has(bufferProto)) {
 							for (const handler of handlerCollection.get(bufferProto)) {
 								const protoCls = this.getProtoClass(bufferProto, direction);
-								const info = protoCls
-									? applyYGOProMsgStructCompat(new protoCls().fromPayload(buffer))
-									: null;
+								let info: any = null;
+								if (protoCls) {
+									try {
+										info = applyYGOProMsgStructCompat(new protoCls().fromPayload(buffer));
+									} catch (e: any) {
+										// 解析失败不能卡死服务器：记录 warn，然后把 info 置为 {} 继续走 handler
+										log.warn(
+											{
+												err: e,
+												direction,
+												proto,
+												bufferProto,
+												messageLength,
+												protoCls: protoCls?.name,
+												bufferHex: buffer?.toString("hex")?.slice(0, 256),
+											},
+											"YGOPro message parse failed"
+										);
+										info = {};
+									}
+								}
 								cancel = await handler.handle(buffer, info, datas, params);
 								if (cancel) {
 									if (Buffer.isBuffer(cancel)) {