From 319517af6acf49a0ddd5d84db5e8d89c29d68a6f Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Wed, 08 Jul 2026 11:49:37 +0800
Subject: [PATCH] fix(gateApi): 统一返回成功状态的数据格式
---
src/main/java/com/xcong/excoin/modules/gateApi/GateLogBuffer.java | 86 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 86 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/modules/gateApi/GateLogBuffer.java b/src/main/java/com/xcong/excoin/modules/gateApi/GateLogBuffer.java
new file mode 100644
index 0000000..10e14db
--- /dev/null
+++ b/src/main/java/com/xcong/excoin/modules/gateApi/GateLogBuffer.java
@@ -0,0 +1,86 @@
+package com.xcong.excoin.modules.gateApi;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
+
+import java.io.IOException;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * Gate 策略日志环形缓冲区，支持 SSE 推送到前端。
+ * 最多保留 500 条日志，新客户端连接时先推送历史再持续推新日志。
+ */
+@Slf4j
+@Service
+public class GateLogBuffer {
+
+ private static final int MAX_ENTRIES = 500;
+ private static final DateTimeFormatter TF = DateTimeFormatter.ofPattern("HH:mm:ss");
+
+ private final List<String> entries = Collections.synchronizedList(new ArrayList<>(MAX_ENTRIES));
+ private final List<SseEmitter> emitters = new CopyOnWriteArrayList<>();
+
+ /**
+ * 推送一条日志到所有 SSE 客户端。
+ */
+ public void push(String level, String message) {
+ String line = String.format("[%s] %-5s %s", TF.format(LocalTime.now()), level, message);
+
+ synchronized (entries) {
+ if (entries.size() >= MAX_ENTRIES) {
+ entries.remove(0);
+ }
+ entries.add(line);
+ }
+
+ // 推送给所有 SSE 客户端
+ for (SseEmitter emitter : emitters) {
+ try {
+ emitter.send(SseEmitter.event().name("log").data(line));
+ } catch (IOException e) {
+ emitters.remove(emitter);
+ }
+ }
+ }
+
+ /** info 级别日志 */
+ public void info(String message) { push("INFO", message); }
+ /** warn 级别日志 */
+ public void warn(String message) { push("WARN", message); }
+ /** error 级别日志 */
+ public void error(String message) { push("ERROR", message); }
+
+ /**
+ * 创建 SSE 连接，先推送历史再持续推送新日志。
+ */
+ public SseEmitter subscribe() {
+ SseEmitter emitter = new SseEmitter(0L); // 无超时
+ emitters.add(emitter);
+
+ // 推送历史
+ List<String> history;
+ synchronized (entries) {
+ history = new ArrayList<>(entries);
+ }
+ for (String line : history) {
+ try {
+ emitter.send(SseEmitter.event().name("log").data(line));
+ } catch (IOException e) {
+ emitters.remove(emitter);
+ return emitter;
+ }
+ }
+
+ emitter.onCompletion(() -> emitters.remove(emitter));
+ emitter.onTimeout(() -> emitters.remove(emitter));
+ emitter.onError(e -> emitters.remove(emitter));
+
+ return emitter;
+ }
+}
--
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