Skip to content

fix: 修复 msgid 可能碰撞的问题 #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
oliverwutx-svg wants to merge 3 commits into
base: main
Choose a base branch
from
Open

fix: 修复 msgid 可能碰撞的问题 #4

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8c3ecb8
fix: 修复 msgid 可能碰撞的问题
Mar 6, 2026
ae691bb
Merge branch 'ryanlee-gemini:main' into main
oliverwutx-svg Mar 6, 2026
c161585
feat: seq改为毫秒递增并增加随机数
Mar 6, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 8 additions & 27 deletions src/api.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -144,33 +144,14 @@ export function getTokenStatus(): { status: "valid" | "expired" | "refreshing" |
}

/**
* msg_seq 追踪器 - 用于对同一条消息的多次回复
* key: msg_id, value: 当前 seq 值
* 使用时间戳作为基础值，确保进程重启后不会重复
*/
const msgSeqTracker = new Map<string, number>();
const seqBaseTime = Math.floor(Date.now() / 1000) % 100000000; // 取秒级时间戳的后8位作为基础

/**
* 获取并递增消息序号
* 返回的 seq 会基于时间戳，避免进程重启后重复
*/
export function getNextMsgSeq(msgId: string): number {
const current = msgSeqTracker.get(msgId) ?? 0;
const next = current + 1;
msgSeqTracker.set(msgId, next);

// 清理过期的序号
// 简单策略：保留最近 1000 条
if (msgSeqTracker.size > 1000) {
const keys = Array.from(msgSeqTracker.keys());
for (let i = 0; i < 500; i++) {
msgSeqTracker.delete(keys[i]);
}
}

// 结合时间戳基础值，确保唯一性
return seqBaseTime + next;
* 获取全局唯一的消息序号（范围 0 ~ 65535）
* 使用毫秒级时间戳低位 + 随机数混合，确保唯一性
* @param _msgId - 保留参数，不再用于分桶计数
*/
export function getNextMsgSeq(_msgId: string): number {
const timePart = Date.now() % 100000000; // 毫秒时间戳取模 60000（0~59999）
const random = Math.floor(Math.random() * 65536); // 0~65535
return (timePart ^ random) % 65536; // 异或混合后限制在 0~65535
}

// API 请求超时配置（毫秒）
Expand Down