cdrop — 跨 OS 剪贴板与文件传输服务
Commilitia Drop:自托管的跨设备剪贴板同步与点对点文件传输。 - 后端 Go(chi / SQLite WAL / SSE Hub / WebRTC signaling + 状态机 / Relay ring buffer),编译进单个 distroless 镜像(前端 go:embed)。 - 前端 React + TanStack Router + Zustand,自实现 SSE + WebRTC P2P,NAT 受阻时回退服务端中继;聚珍(Juzhen)CJK 综合排版。 - 桌面端 Wails v2(macOS / Windows),瘦客户端复用 web。 - 鉴权 OIDC PKCE(自建 Casdoor 等),refresh_token 信封加密存系统密钥库;iOS Shortcut 用 HS256 scoped token。 架构文档与变更记录见 docs 分支(PROJECT_BRIEF / FRONTEND_DESIGN / CHANGELOG)。 本次为公开发布初始提交:完整开发历史(含部署细节)留存于私有归档,公开仓库自此干净起步。
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package transfer
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import (
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"context"
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"log/slog"
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"time"
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)
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// PendingTTL is the wall-clock window after which a PENDING session
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// is auto-cancelled by the sweeper (plan §4.5 待决策清单 #5).
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const PendingTTL = 120 * time.Second
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// SweepInterval is how often the sweeper goroutine wakes up.
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const SweepInterval = 30 * time.Second
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// RunSweeper blocks until ctx is cancelled, periodically expiring
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// stale PENDING sessions.
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func RunSweeper(ctx context.Context, svc *Service) {
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t := time.NewTicker(SweepInterval)
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defer t.Stop()
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for {
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select {
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case <-ctx.Done():
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return
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case <-t.C:
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n, err := svc.ExpirePending(ctx, PendingTTL)
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if err != nil {
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slog.Error("sweeper: expire pending failed", "err", err)
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continue
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}
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if n > 0 {
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slog.Info("sweeper: expired pending sessions", "count", n)
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}
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}
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}
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}
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