102 lines
4.6 KiB
Go
102 lines
4.6 KiB
Go
package rpc
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import (
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"context"
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"github.com/iamxvbaba/td/proto"
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"github.com/iamxvbaba/td/tg"
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"go.uber.org/zap"
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"telesrv/internal/domain"
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)
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// 通话信令推送全部走无 pts 直推（pushUserMessage）：信令有效期秒级，离线设备
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// 重连后经 getDifference 补收一条早已失效的来电毫无意义甚至有害。唯一带 pts 的
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// 产物是结束后的 messageActionPhoneCall 服务消息（P2，走 outbox 补偿离线设备）。
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// phoneCallUpdates 把 viewer 视角的 phoneCall 状态包成可直推的 Updates 容器。
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func (r *Router) phoneCallUpdates(ctx context.Context, call domain.PhoneCall, viewerID int64) *tg.Updates {
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return r.phoneCallUpdatesWith(ctx, tgPhoneCallForViewer(call, viewerID), call, viewerID)
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}
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func (r *Router) phoneCallUpdatesWith(ctx context.Context, view tg.PhoneCallClass, call domain.PhoneCall, viewerID int64) *tg.Updates {
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return &tg.Updates{
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Updates: []tg.UpdateClass{&tg.UpdatePhoneCall{PhoneCall: view}},
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Users: r.tgUsersForIDs(ctx, viewerID, []int64{call.AdminID, call.ParticipantID}),
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Chats: []tg.ChatClass{},
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Date: int(r.clock.Now().Unix()),
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Seq: 0,
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}
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}
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// pushPhoneCall 把 call 当前状态按 targetUserID 视角推给其全部在线设备
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// （ctx 携带的发起设备会被 pushUserMessage 的 except 语义排除）。
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func (r *Router) pushPhoneCall(ctx context.Context, targetUserID int64, call domain.PhoneCall, logMessage string) int {
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return r.pushUserMessage(ctx, targetUserID, logMessage, r.phoneCallUpdates(ctx, call, targetUserID))
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}
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// pushPhoneCallToDevice 只把 phoneCall 状态推给一台精确的物理 session。
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//
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// 这是 fail-closed 路径：目标锚点缺失、session 已断开或编码/发送失败时都不得
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// 回退为 user 级广播。呼出通话的 ringing 更新只属于 requestCall 来源设备；
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// 扩大投递范围会在 DrKLO 多账号同机时污染另一账号的全局 pending 来电对象。
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func (r *Router) pushPhoneCallToDevice(ctx context.Context, targetUserID int64, device domain.SessionRef, call domain.PhoneCall, logMessage string) {
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if targetUserID == 0 || device.RawAuthKeyID == ([8]byte{}) || device.SessionID == 0 || r.deps.Sessions == nil {
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if r.log != nil {
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r.log.Debug(logMessage,
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zap.Int64("target_user_id", targetUserID),
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zap.Int64("call_id", call.ID),
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zap.Int64("target_session_id", device.SessionID),
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zap.String("delivery", "skipped_invalid_device_anchor"),
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)
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}
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return
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}
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updates := r.phoneCallUpdates(ctx, call, targetUserID)
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if err := r.deps.Sessions.PushToSessionForAuthKey(ctx, device.RawAuthKeyID, device.SessionID, proto.MessageFromServer, updates); err != nil && r.log != nil {
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r.log.Debug(logMessage,
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zap.Int64("target_user_id", targetUserID),
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zap.Int64("call_id", call.ID),
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zap.Int64("target_session_id", device.SessionID),
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zap.Error(err),
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)
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}
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}
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// pushPhoneCallStopRinging 向被叫其它设备推合成 phoneCallDiscarded 停振铃（P0-1 修正）。
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// ctx 必须是接听设备的请求上下文：except 语义恰好把赢家排除在外。
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func (r *Router) pushPhoneCallStopRinging(ctx context.Context, call domain.PhoneCall) int {
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upd := r.phoneCallUpdatesWith(ctx, tgPhoneCallStopRinging(call), call, call.ParticipantID)
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return r.pushUserMessage(ctx, call.ParticipantID, "phone call stop ringing", upd)
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}
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// pushPhoneCallDiscardedBoth 把终态推给双方全部设备（发起设备由 ctx except 排除，
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// 其结果从 RPC 响应获得）。
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func (r *Router) pushPhoneCallDiscardedBoth(ctx context.Context, call domain.PhoneCall) {
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r.pushPhoneCall(ctx, call.AdminID, call, "phone call discarded")
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r.pushPhoneCall(ctx, call.ParticipantID, call, "phone call discarded")
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}
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// pushPhoneSignalingData 把信令字节透传给对端。优先走设备锚点定向推送
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// （requestCall/acceptCall 受理设备），锚点失效（设备重连换 session）则回退
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// user 级扇出——非参与设备按 phone_call_id 不匹配静默丢弃（TDesktop
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// handleSignalingData 行为），扇出无害。
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func (r *Router) pushPhoneSignalingData(ctx context.Context, targetUserID int64, device domain.SessionRef, callID int64, data []byte) {
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upd := &tg.Updates{
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Updates: []tg.UpdateClass{&tg.UpdatePhoneCallSignalingData{
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PhoneCallID: callID,
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Data: data,
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}},
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Users: []tg.UserClass{},
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Chats: []tg.ChatClass{},
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Date: int(r.clock.Now().Unix()),
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Seq: 0,
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}
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if !device.Zero() && r.deps.Sessions != nil {
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if err := r.deps.Sessions.PushToSessionForAuthKey(ctx, device.RawAuthKeyID, device.SessionID, proto.MessageFromServer, upd); err == nil {
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return
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}
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}
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r.pushUserMessage(ctx, targetUserID, "phone call signaling", upd)
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}
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