598 lines
22 KiB
Go
598 lines
22 KiB
Go
package rpc
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import (
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"context"
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"errors"
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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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"telesrv/internal/sfu"
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)
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// 超级群语音聊天（group call）核心 RPC。信令真值在 GroupCallStore（version 单调），
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// 媒体面经 deps.SFU（M0 为 Disabled：纯信令，客户端停留在 Connecting 属预期）。
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// groupCallErr 把 domain 群通话错误映射为 RPC_ERROR。
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func groupCallErr(err error) error {
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switch {
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case errors.Is(err, domain.ErrGroupCallInvalid):
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return groupCallInvalidErr()
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case errors.Is(err, domain.ErrGroupCallDiscarded):
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return groupCallAlreadyDiscardedErr()
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case errors.Is(err, domain.ErrGroupCallAlreadyStarted):
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return groupCallAlreadyStartedErr()
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case errors.Is(err, domain.ErrGroupCallSSRCDuplicate):
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return groupCallSSRCDuplicateErr()
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case errors.Is(err, domain.ErrGroupCallNotJoined):
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return groupCallJoinMissingErr()
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case errors.Is(err, domain.ErrConferenceChainInvalid):
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return confWriteChainInvalidErr()
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default:
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return internalErr()
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}
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}
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// groupCallScope 是群通话 handler 的通用前置解析结果。
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type groupCallScope struct {
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userID int64
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call domain.GroupCall
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channel domain.Channel
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member domain.ChannelMember
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}
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func (s *groupCallScope) canManage() bool {
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if s.call.Conference() {
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return s.userID != 0 && s.userID == s.call.CreatorUserID
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}
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return channelMemberIsAdmin(s.member)
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}
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// groupCallScopeFrom 解析 InputGroupCallClass 并校验访问权。普通 group call 继续
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// 走频道成员资格；conference call 走 creator/participant/invite/slug 访问模型。
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func (r *Router) groupCallScopeFrom(ctx context.Context, in tg.InputGroupCallClass) (*groupCallScope, error) {
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if r.deps.GroupCalls == nil {
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return nil, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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var call domain.GroupCall
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var found bool
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allowBySlug := false
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switch v := in.(type) {
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case *tg.InputGroupCall:
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call, found, err = r.deps.GroupCalls.Get(ctx, v.ID)
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if err != nil {
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return nil, internalErr()
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}
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if !found || call.AccessHash != v.AccessHash {
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return nil, groupCallInvalidErr()
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}
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case *tg.InputGroupCallSlug:
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call, found, err = r.deps.GroupCalls.GetBySlug(ctx, v.Slug)
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if err != nil {
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return nil, internalErr()
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}
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if !found || !call.Conference() {
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return nil, groupCallInvalidErr()
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}
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allowBySlug = true
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case *tg.InputGroupCallInviteMessage:
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call, _, found, err = r.deps.GroupCalls.GetByInviteMessage(ctx, userID, v.MsgID)
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if err != nil {
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return nil, internalErr()
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}
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if !found || !call.Conference() {
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return nil, groupCallInvalidErr()
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}
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default:
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return nil, groupCallInvalidErr()
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}
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if call.Conference() {
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if !allowBySlug {
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allowed, err := r.conferenceCallCanAccess(ctx, call.ID, userID)
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if err != nil {
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return nil, internalErr()
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}
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if !allowed {
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return nil, groupCallForbiddenErr()
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}
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}
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return &groupCallScope{userID: userID, call: call}, nil
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}
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if r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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view, err := r.deps.Channels.GetChannel(ctx, userID, call.ChannelID)
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if err != nil {
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return nil, groupCallForbiddenErr()
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}
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if view.Self.Status != domain.ChannelMemberActive {
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return nil, groupCallForbiddenErr()
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}
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return &groupCallScope{userID: userID, call: call, channel: view.Channel, member: view.Self}, nil
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}
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// groupCallJoinAsChannelID 解析 joinGroupCall.join_as：self（缺省/自己）→0；
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// 本频道本身且 viewer 是 admin（匿名管理员/创建者语义，TDesktop RTMP createBox
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// 对 creator 硬编码 joinAs=peer）→ channelID；其余身份返回 JOIN_AS_PEER_INVALID。
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func (r *Router) groupCallJoinAsChannelID(scope *groupCallScope, joinAs tg.InputPeerClass) (int64, error) {
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switch v := joinAs.(type) {
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case nil, *tg.InputPeerSelf, *tg.InputPeerEmpty:
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return 0, nil
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case *tg.InputPeerUser:
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if v.UserID == scope.userID {
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return 0, nil
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}
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case *tg.InputPeerChannel:
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if !scope.call.Conference() && v.ChannelID == scope.channel.ID && channelMemberIsAdmin(scope.member) {
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return v.ChannelID, nil
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}
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}
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return 0, tgerr400("JOIN_AS_PEER_INVALID")
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}
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// onPhoneGetGroupCallJoinAs 返回入会可选身份：所有人可用自己；频道 admin 额外
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// 可用频道本身（匿名身份）。TDesktop 在候选 >1 时显示 "join as" 选择框。
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func (r *Router) onPhoneGetGroupCallJoinAs(ctx context.Context, peer tg.InputPeerClass) (*tg.PhoneJoinAsPeers, error) {
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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out := &tg.PhoneJoinAsPeers{
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Peers: []tg.PeerClass{&tg.PeerUser{UserID: userID}},
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Chats: []tg.ChatClass{},
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Users: r.tgUsersForIDs(ctx, userID, []int64{userID}),
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}
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if r.deps.Channels == nil {
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return out, nil
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}
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dp, err := r.checkedDomainPeerFromInputPeer(ctx, userID, peer)
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if err != nil || dp.Type != domain.PeerTypeChannel || dp.ID == 0 {
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return out, nil
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}
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view, err := r.deps.Channels.GetChannel(ctx, userID, dp.ID)
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if err != nil || view.Self.Status != domain.ChannelMemberActive || !channelMemberIsAdmin(view.Self) {
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return out, nil
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}
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out.Peers = append(out.Peers, &tg.PeerChannel{ChannelID: view.Channel.ID})
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out.Chats = append(out.Chats, tgChannel(userID, view.Channel, &view.Self))
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return out, nil
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}
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func (r *Router) conferenceCallCanAccess(ctx context.Context, callID, userID int64) (bool, error) {
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recipients, err := r.deps.GroupCalls.ConferenceRecipients(ctx, callID)
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if err != nil {
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return false, err
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}
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for _, id := range recipients {
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if id == userID {
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return true, nil
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}
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}
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return false, nil
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}
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func (r *Router) onPhoneCreateGroupCall(ctx context.Context, req *tg.PhoneCreateGroupCallRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if r.deps.GroupCalls == nil || r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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now := int(r.clock.Now().Unix())
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scheduleDate, _ := req.GetScheduleDate()
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if scheduleDate < 0 || (scheduleDate > 0 && scheduleDate <= now) {
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// TDesktop 选择器只给未来时间；过去时间直接拒绝（容忍在途秒差由客户端保证）。
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return nil, tgerr400("SCHEDULE_DATE_INVALID")
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}
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peer, err := r.checkedDomainPeerFromInputPeer(ctx, userID, req.Peer)
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if err != nil {
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return nil, err
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}
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if peer.Type != domain.PeerTypeChannel || peer.ID == 0 {
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return nil, peerIDInvalidErr()
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}
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view, err := r.deps.Channels.GetChannel(ctx, userID, peer.ID)
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if err != nil {
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return nil, peerIDInvalidErr()
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}
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if view.Self.Status != domain.ChannelMemberActive || !channelMemberIsAdmin(view.Self) {
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return nil, tgerr400("CHAT_ADMIN_REQUIRED")
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}
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// 广播频道直播、以及任意 RTMP 直播：参与者都是纯观众（listener），入会即
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// 强制静音且不可自解（join_muted）。RTMP 尤其关键——TDesktop 在 stream 模式下
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// 若发现 self 行非 force-muted 会每 3s `Rejoin after unforcemute`，导致死循环。
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joinMuted := !view.Channel.Megagroup || req.RtmpStream
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call, err := r.deps.GroupCalls.Create(ctx, view.Channel.ID, userID, req.Title, req.RtmpStream, joinMuted, scheduleDate, now)
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if err != nil {
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return nil, groupCallErr(err)
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}
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// 服务消息（带频道 pts，离线成员经 channels difference 补收）：
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// 定时通话发 scheduled（"预约了视频聊天"），立即通话发 started。
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serviceAction := domain.ChannelMessageAction{
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Type: domain.ChannelActionGroupCall,
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CallID: call.ID,
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CallAccessHash: call.AccessHash,
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}
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if scheduleDate > 0 {
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serviceAction.Type = domain.ChannelActionGroupCallScheduled
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serviceAction.CallScheduleDate = scheduleDate
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}
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var serviceRes domain.SendChannelMessageResult
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if res, err := r.deps.Channels.AppendCallServiceMessage(ctx, view.Channel.ID, userID, now, serviceAction); err == nil {
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serviceRes = res
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_ = r.deps.GroupCalls.SetStartedMessageID(ctx, call.ID, res.Message.ID)
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} else {
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r.log.Warn("group call started service message", zap.Int64("channel_id", view.Channel.ID), zap.Error(err))
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}
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channel, err := r.deps.Channels.SetActiveCall(ctx, view.Channel.ID, call.ID, call.AccessHash, false)
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if err != nil {
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channel = view.Channel
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channel.ActiveCallID = call.ID
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channel.ActiveCallAccessHash = call.AccessHash
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}
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// 扇出：banner flag 刷新 + updateGroupCall + 服务消息。
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r.pushChannelStateToMembers(ctx, userID, channel)
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r.pushGroupCallUpdate(ctx, channel, call)
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if serviceRes.Event.Pts != 0 {
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r.pushGroupCallServiceMessage(ctx, userID, serviceRes)
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}
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// 响应：updateGroupCall + 服务消息（发起设备视角）。TDesktop 创建后自行 joinGroupCall。
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update := &tg.UpdateGroupCall{Call: tgGroupCall(call, userID, true, r.cfg.PublicBaseURL)}
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update.SetPeer(&tg.PeerChannel{ChannelID: channel.ID})
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out := r.groupCallUpdateContainer(ctx, userID, channel, update, []int64{userID})
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if serviceRes.Event.Pts != 0 {
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if msgUpdate := tgChannelUpdate(userID, serviceRes.Event); msgUpdate != nil {
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out.Updates = append(out.Updates, msgUpdate)
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}
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}
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return out, nil
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}
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func (r *Router) onPhoneJoinGroupCall(ctx context.Context, req *tg.PhoneJoinGroupCallRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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scope, err := r.groupCallScopeFrom(ctx, req.Call)
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if err != nil {
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return nil, err
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}
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if !scope.call.Active() {
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return nil, groupCallAlreadyDiscardedErr()
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}
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if scope.call.RtmpStream {
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return r.joinRtmpGroupCall(ctx, scope, req)
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}
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joinAsChannelID, err := r.groupCallJoinAsChannelID(scope, req.JoinAs)
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if err != nil {
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return nil, err
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}
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// 解析上行 join JSON（容忍 video_stopped 等 flag 与 ssrc-groups——TDesktop join 即带）。
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offer, ssrc, err := parseGroupCallJoinPayload(req.Params.Data)
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if err != nil {
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r.log.Warn("group call join payload", zap.Error(err))
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return nil, groupCallInvalidErr()
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}
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// 房间上限（演示规模）：rejoin（已在会换 ssrc）不受限。
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if max := r.cfg.GroupCallMaxParticipants; max > 0 && scope.call.ParticipantsCount >= max {
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if p, found, _ := r.deps.GroupCalls.Participant(ctx, scope.call.ID, scope.userID); !found || p.Left {
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return nil, groupCallForbiddenErr()
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}
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}
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now := int(r.clock.Now().Unix())
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var publicKey []byte
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if pk, ok := req.GetPublicKey(); ok {
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publicKey = append([]byte(nil), pk[:]...)
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}
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var joinBlock []byte
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if block, ok := req.GetBlock(); ok {
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joinBlock = append([]byte(nil), block...)
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}
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// 视频内部状态：endpoint 服务端铸造（join 响应 video.endpoint 与日后
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// participant.video.endpoint 必须逐字节一致）；ssrc-groups 无论摄像头开关都
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// 存档——video_stopped=false（join flag 或后续 self-edit）时原样回放。
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endpoint := groupCallEndpointID(sfu.EndpointMain, offer.AudioSSRC)
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videoState := participantVideoState{
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Endpoint: endpoint,
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SourceGroups: groupCallSsrcGroupsFromOffer(offer),
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Active: !req.VideoStopped && len(offer.SsrcGroups) > 0,
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}
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mut, err := r.deps.GroupCalls.Join(ctx, domain.JoinGroupCallRequest{
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CallID: scope.call.ID,
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UserID: scope.userID,
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JoinAsChannelID: joinAsChannelID,
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SSRC: ssrc,
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Muted: req.Muted,
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IsAdmin: scope.canManage(),
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PublicKey: publicKey,
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JoinBlock: joinBlock,
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VideoJSON: encodeVideoState(videoState),
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Now: now,
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})
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if err != nil {
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return nil, groupCallErr(err)
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}
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// 媒体面：SFU 分配 endpoint（M0 Disabled：语法完备空 candidates，客户端保持
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// Connecting 并以 4s checkGroupCall 心跳维持保活——M0 sweeper 判据依赖该行为）。
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sfuService := r.deps.SFU
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if sfuService == nil {
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sfuService = sfu.Disabled()
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}
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answer, err := sfuService.Join(ctx, scope.call.ID, scope.userID, sfu.EndpointMain, offer)
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if err != nil {
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// 媒体面失败回滚信令侧（保持两面一致），返回 500。
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_, _ = r.deps.GroupCalls.Leave(ctx, scope.call.ID, scope.userID, now)
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r.log.Warn("group call sfu join", zap.Error(err))
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return nil, internalErr()
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}
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params, err := buildGroupCallConnectionParams(answer, endpoint)
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if err != nil {
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_ = sfuService.Leave(ctx, scope.call.ID, scope.userID, sfu.EndpointMain)
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_, _ = r.deps.GroupCalls.Leave(ctx, scope.call.ID, scope.userID, now)
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return nil, internalErr()
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}
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var conferenceJoinBlock domain.GroupCallChainBlock
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var hasConferenceJoinBlock bool
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if scope.call.Conference() && len(joinBlock) > 0 {
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block, err := r.deps.GroupCalls.AppendChainBlock(ctx, domain.GroupCallChainBlock{
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CallID: scope.call.ID,
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SubChainID: 0,
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Offset: -1,
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AuthorUserID: scope.userID,
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Block: joinBlock,
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CreatedAt: now,
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})
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if err != nil {
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_ = sfuService.Leave(ctx, scope.call.ID, scope.userID, sfu.EndpointMain)
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_, _ = r.deps.GroupCalls.Leave(ctx, scope.call.ID, scope.userID, now)
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return nil, groupCallErr(err)
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}
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conferenceJoinBlock = block
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hasConferenceJoinBlock = true
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}
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// 扇出给房间/在线群成员（操作者其它设备含其中；本设备从 RPC 返回拿）。
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channel := r.groupCallMutationFanout(ctx, scope.channel, mut)
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// 响应（TDesktop 从本 RPC 返回的 Updates 摘取 updateGroupCallConnection，不会等推送）：
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out := r.groupCallUpdateContainer(ctx, scope.userID, channel,
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&tg.UpdateGroupCallParticipants{
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Call: &tg.InputGroupCall{ID: mut.Call.ID, AccessHash: mut.Call.AccessHash},
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Participants: tgGroupCallParticipants([]domain.GroupCallParticipant{mut.Participant}, scope.userID),
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Version: mut.Call.Version,
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}, []int64{scope.userID})
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out.Updates = append(out.Updates, &tg.UpdateGroupCallConnection{Params: tg.DataJSON{Data: params}})
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callUpdate := &tg.UpdateGroupCall{Call: tgGroupCall(mut.Call, scope.userID, scope.canManage(), r.cfg.PublicBaseURL)}
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if channel.ID != 0 {
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callUpdate.SetPeer(&tg.PeerChannel{ChannelID: channel.ID})
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}
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out.Updates = append(out.Updates, callUpdate)
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if hasConferenceJoinBlock {
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nextOffset := conferenceJoinBlock.Offset + 1
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blocks := [][]byte{conferenceJoinBlock.Block}
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r.pushConferenceChainBlocks(ctx, mut.Call, conferenceJoinBlock.SubChainID, blocks, nextOffset)
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out.Updates = append(out.Updates, conferenceChainBlocksUpdate(mut.Call, conferenceJoinBlock.SubChainID, blocks, nextOffset))
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}
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return out, nil
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}
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func (r *Router) onPhoneLeaveGroupCall(ctx context.Context, req *tg.PhoneLeaveGroupCallRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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scope, err := r.groupCallScopeFrom(ctx, req.Call)
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if err != nil {
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return nil, err
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}
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now := int(r.clock.Now().Unix())
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mut, err := r.deps.GroupCalls.Leave(ctx, scope.call.ID, scope.userID, now)
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if errors.Is(err, domain.ErrGroupCallNotJoined) {
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// 幂等：重复 leave / sweeper 已清，返回当前快照。
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return r.groupCallUpdateContainer(ctx, scope.userID, scope.channel,
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groupCallUpdateFor(scope.channel, scope.call, scope.userID, false, r.cfg.PublicBaseURL), nil), nil
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}
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if err != nil {
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return nil, groupCallErr(err)
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}
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if r.deps.SFU != nil {
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_ = r.deps.SFU.Leave(ctx, scope.call.ID, scope.userID, sfu.EndpointMain)
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}
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channel := r.groupCallMutationFanout(ctx, scope.channel, mut)
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out := r.groupCallUpdateContainer(ctx, scope.userID, channel,
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&tg.UpdateGroupCallParticipants{
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Call: &tg.InputGroupCall{ID: mut.Call.ID, AccessHash: mut.Call.AccessHash},
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Participants: tgGroupCallParticipants([]domain.GroupCallParticipant{mut.Participant}, scope.userID),
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Version: mut.Call.Version,
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}, []int64{scope.userID})
|
||
if mut.Call.Conference() && !mut.Call.Active() {
|
||
out.Updates = append(out.Updates, groupCallUpdateFor(domain.Channel{}, mut.Call, scope.userID, scope.userID == mut.Call.CreatorUserID, r.cfg.PublicBaseURL))
|
||
}
|
||
return out, nil
|
||
}
|
||
|
||
func (r *Router) onPhoneDiscardGroupCall(ctx context.Context, in tg.InputGroupCallClass) (tg.UpdatesClass, error) {
|
||
scope, err := r.groupCallScopeFrom(ctx, in)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if !scope.canManage() {
|
||
return nil, tgerr400("CHAT_ADMIN_REQUIRED")
|
||
}
|
||
now := int(r.clock.Now().Unix())
|
||
call, activeBeforeDiscard, err := r.deps.GroupCalls.Discard(ctx, scope.call.ID, now)
|
||
if err != nil {
|
||
return nil, groupCallErr(err)
|
||
}
|
||
if r.deps.SFU != nil {
|
||
_ = r.deps.SFU.CloseRoom(ctx, call.ID)
|
||
}
|
||
if call.Conference() {
|
||
r.pushConferenceGroupCallUpdateTo(ctx, call, groupCallParticipantUserIDs(activeBeforeDiscard))
|
||
return r.groupCallUpdateContainer(ctx, scope.userID, domain.Channel{},
|
||
groupCallUpdateFor(domain.Channel{}, call, scope.userID, true, r.cfg.PublicBaseURL), nil), nil
|
||
}
|
||
// RTMP 直播结束：断开推流并清空缓冲（观众后续拉流转 resync/停止）。
|
||
if call.RtmpStream && r.deps.LiveStreams != nil {
|
||
r.deps.LiveStreams.DropChannel(scope.channel.ID)
|
||
}
|
||
// 清 channel 关联 + ended 服务消息（带 duration）。
|
||
channel := scope.channel
|
||
if updated, err := r.deps.Channels.SetActiveCall(ctx, channel.ID, 0, 0, false); err == nil {
|
||
channel = updated
|
||
}
|
||
var serviceRes domain.SendChannelMessageResult
|
||
if res, err := r.deps.Channels.AppendCallServiceMessage(ctx, channel.ID, scope.userID, now, domain.ChannelMessageAction{
|
||
Type: domain.ChannelActionGroupCall,
|
||
CallID: call.ID,
|
||
CallAccessHash: call.AccessHash,
|
||
CallDuration: call.Duration,
|
||
}); err == nil {
|
||
serviceRes = res
|
||
} else {
|
||
r.log.Warn("group call ended service message", zap.Int64("channel_id", channel.ID), zap.Error(err))
|
||
}
|
||
r.pushChannelStateToMembers(ctx, scope.userID, channel)
|
||
r.pushGroupCallUpdate(ctx, channel, call)
|
||
if serviceRes.Event.Pts != 0 {
|
||
r.pushGroupCallServiceMessage(ctx, scope.userID, serviceRes)
|
||
}
|
||
out := r.groupCallUpdateContainer(ctx, scope.userID, channel,
|
||
groupCallUpdateFor(channel, call, scope.userID, true, r.cfg.PublicBaseURL), nil)
|
||
if serviceRes.Event.Pts != 0 {
|
||
if msgUpdate := tgChannelUpdate(scope.userID, serviceRes.Event); msgUpdate != nil {
|
||
out.Updates = append(out.Updates, msgUpdate)
|
||
}
|
||
}
|
||
return out, nil
|
||
}
|
||
|
||
func (r *Router) onPhoneGetGroupCall(ctx context.Context, req *tg.PhoneGetGroupCallRequest) (*tg.PhoneGroupCall, error) {
|
||
if req == nil {
|
||
return nil, inputRequestInvalidErr()
|
||
}
|
||
scope, err := r.groupCallScopeFrom(ctx, req.Call)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
limit := req.Limit
|
||
if limit <= 0 || limit > 200 {
|
||
limit = 50
|
||
}
|
||
page, err := r.deps.GroupCalls.Participants(ctx, scope.call.ID, "", limit)
|
||
if err != nil {
|
||
return nil, groupCallErr(err)
|
||
}
|
||
userIDs := make([]int64, 0, len(page.Participants))
|
||
for _, p := range page.Participants {
|
||
userIDs = append(userIDs, p.UserID)
|
||
}
|
||
chats := []tg.ChatClass{}
|
||
if !scope.call.Conference() {
|
||
chats = append(chats, tgChannel(scope.userID, scope.channel, &scope.member))
|
||
}
|
||
// 定时通话：回填 viewer 自己的开播提醒订阅（客户端 reload 全量重建本地状态）。
|
||
call := r.applyScheduleSubscription(ctx, scope.call, scope.userID)
|
||
return &tg.PhoneGroupCall{
|
||
Call: tgGroupCall(call, scope.userID, scope.canManage(), r.cfg.PublicBaseURL),
|
||
Participants: tgGroupCallParticipants(page.Participants, scope.userID),
|
||
ParticipantsNextOffset: page.NextOffset,
|
||
Chats: chats,
|
||
Users: r.tgUsersForIDs(ctx, scope.userID, userIDs),
|
||
}, nil
|
||
}
|
||
|
||
func (r *Router) onPhoneGetGroupParticipants(ctx context.Context, req *tg.PhoneGetGroupParticipantsRequest) (*tg.PhoneGroupParticipants, error) {
|
||
if req == nil {
|
||
return nil, inputRequestInvalidErr()
|
||
}
|
||
scope, err := r.groupCallScopeFrom(ctx, req.Call)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
limit := req.Limit
|
||
if limit <= 0 || limit > 200 {
|
||
limit = 50
|
||
}
|
||
page, err := r.deps.GroupCalls.Participants(ctx, scope.call.ID, req.Offset, limit)
|
||
if err != nil {
|
||
return nil, groupCallErr(err)
|
||
}
|
||
userIDs := make([]int64, 0, len(page.Participants))
|
||
for _, p := range page.Participants {
|
||
userIDs = append(userIDs, p.UserID)
|
||
}
|
||
// 响应 version=当前值：客户端 version 跳号后据此重建本地状态并恢复增量应用。
|
||
chats := []tg.ChatClass{}
|
||
if !scope.call.Conference() {
|
||
chats = append(chats, tgChannel(scope.userID, scope.channel, &scope.member))
|
||
}
|
||
return &tg.PhoneGroupParticipants{
|
||
Count: page.Count,
|
||
Participants: tgGroupCallParticipants(page.Participants, scope.userID),
|
||
NextOffset: page.NextOffset,
|
||
Chats: chats,
|
||
Users: r.tgUsersForIDs(ctx, scope.userID, userIDs),
|
||
Version: page.Version,
|
||
}, nil
|
||
}
|
||
|
||
// onPhoneCheckGroupCall 是保活与「踢人/重启恢复」的统一出口：返回入参 sources 中
|
||
// 仍属于该用户活跃 endpoint 的子集；自己的 ssrc 不在 ⇒ 客户端自动 rejoin。
|
||
// 注意：客户端只在 Connecting 态调它（媒体连通后心跳停止），不可据此单独判死。
|
||
func (r *Router) onPhoneCheckGroupCall(ctx context.Context, req *tg.PhoneCheckGroupCallRequest) ([]int, error) {
|
||
if req == nil {
|
||
return nil, inputRequestInvalidErr()
|
||
}
|
||
scope, err := r.groupCallScopeFrom(ctx, req.Call)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
now := int(r.clock.Now().Unix())
|
||
active, joined, err := r.deps.GroupCalls.Touch(ctx, scope.call.ID, scope.userID, now)
|
||
if err != nil {
|
||
return nil, groupCallErr(err)
|
||
}
|
||
if !joined {
|
||
return []int{}, nil
|
||
}
|
||
activeSet := make(map[int]struct{}, len(active))
|
||
for _, ssrc := range active {
|
||
activeSet[int(int32(uint32(ssrc)))] = struct{}{}
|
||
}
|
||
// presentation 的全部 ssrc（音频+视频层+RTX）也属于活跃 endpoint：TDesktop 把
|
||
// screen ssrc 一并塞进 sources，DrKLO 用 presentation.audio_source（缺省退化
|
||
// 取首个视频 ssrc）——任一不在返回集合都会触发 4s 循环重建屏幕实例。
|
||
if p, found, err := r.deps.GroupCalls.Participant(ctx, scope.call.ID, scope.userID); err == nil && found && !p.Left {
|
||
if st, ok := decodeVideoState(p.PresentationJSON); ok && st.Active {
|
||
if st.AudioSource != 0 {
|
||
activeSet[int(int32(uint32(st.AudioSource)))] = struct{}{}
|
||
}
|
||
for _, g := range st.SourceGroups {
|
||
for _, src := range g.Sources {
|
||
activeSet[int(int32(uint32(src)))] = struct{}{}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
out := make([]int, 0, len(req.Sources))
|
||
for _, src := range req.Sources {
|
||
if _, ok := activeSet[src]; ok {
|
||
out = append(out, src)
|
||
}
|
||
}
|
||
return out, nil
|
||
}
|
||
|
||
func groupCallUpdateFor(channel domain.Channel, call domain.GroupCall, viewerUserID int64, canManage bool, publicBaseURL ...string) *tg.UpdateGroupCall {
|
||
update := &tg.UpdateGroupCall{Call: tgGroupCall(call, viewerUserID, canManage, publicBaseURL...)}
|
||
if channel.ID != 0 {
|
||
update.SetPeer(&tg.PeerChannel{ChannelID: channel.ID})
|
||
}
|
||
return update
|
||
}
|