neko/internal/session/session.go

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package session
import (
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"sync"
"github.com/rs/zerolog"
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"github.com/demodesk/neko/pkg/types"
"github.com/demodesk/neko/pkg/types/event"
)
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type SessionCtx struct {
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id string
token string
logger zerolog.Logger
manager *SessionManagerCtx
profile types.MemberProfile
state types.SessionState
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websocketPeer types.WebSocketPeer
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websocketMu sync.Mutex
webrtcPeer types.WebRTCPeer
webrtcMu sync.Mutex
}
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func (session *SessionCtx) ID() string {
return session.id
}
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func (session *SessionCtx) Profile() types.MemberProfile {
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return session.profile
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}
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func (session *SessionCtx) profileChanged() {
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if !session.profile.CanHost && session.IsHost() {
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session.manager.ClearHost()
}
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if (!session.profile.CanConnect || !session.profile.CanLogin || !session.profile.CanWatch) && session.state.IsWatching {
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session.GetWebRTCPeer().Destroy()
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}
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if (!session.profile.CanConnect || !session.profile.CanLogin) && session.state.IsConnected {
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session.GetWebSocketPeer().Destroy("profile changed")
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}
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// update webrtc paused state
if webrtcPeer := session.GetWebRTCPeer(); webrtcPeer != nil {
webrtcPeer.SetPaused(session.PrivateModeEnabled())
}
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}
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func (session *SessionCtx) State() types.SessionState {
return session.state
}
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func (session *SessionCtx) IsHost() bool {
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return session.manager.GetHost() == session
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}
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func (session *SessionCtx) PrivateModeEnabled() bool {
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return session.manager.Settings().PrivateMode && !session.profile.IsAdmin
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}
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func (session *SessionCtx) SetCursor(cursor types.Cursor) {
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if session.manager.Settings().InactiveCursors && session.profile.SendsInactiveCursor {
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session.manager.SetCursor(cursor, session)
}
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}
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// ---
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// websocket
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// ---
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func (session *SessionCtx) SetWebSocketPeer(websocketPeer types.WebSocketPeer) {
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session.websocketMu.Lock()
session.websocketPeer, websocketPeer = websocketPeer, session.websocketPeer
session.websocketMu.Unlock()
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if websocketPeer != nil && websocketPeer != session.websocketPeer {
websocketPeer.Destroy("connection replaced")
}
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}
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func (session *SessionCtx) SetWebSocketConnected(websocketPeer types.WebSocketPeer, connected bool) {
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session.websocketMu.Lock()
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isCurrentPeer := websocketPeer == session.websocketPeer
session.websocketMu.Unlock()
if !isCurrentPeer {
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return
}
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session.logger.Info().
Bool("connected", connected).
Msg("set websocket connected")
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session.state.IsConnected = connected
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if connected {
session.manager.emmiter.Emit("connected", session)
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return
}
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session.manager.emmiter.Emit("disconnected", session)
session.websocketMu.Lock()
if websocketPeer == session.websocketPeer {
session.websocketPeer = nil
}
session.websocketMu.Unlock()
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}
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func (session *SessionCtx) GetWebSocketPeer() types.WebSocketPeer {
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session.websocketMu.Lock()
defer session.websocketMu.Unlock()
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return session.websocketPeer
}
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func (session *SessionCtx) Send(event string, payload interface{}) {
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peer := session.GetWebSocketPeer()
if peer != nil {
peer.Send(event, payload)
}
}
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// ---
// webrtc
// ---
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func (session *SessionCtx) SetWebRTCPeer(webrtcPeer types.WebRTCPeer) {
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session.webrtcMu.Lock()
session.webrtcPeer, webrtcPeer = webrtcPeer, session.webrtcPeer
session.webrtcMu.Unlock()
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if webrtcPeer != nil && webrtcPeer != session.webrtcPeer {
webrtcPeer.Destroy()
}
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}
func (session *SessionCtx) SetWebRTCConnected(webrtcPeer types.WebRTCPeer, connected bool) {
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session.webrtcMu.Lock()
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isCurrentPeer := webrtcPeer == session.webrtcPeer
session.webrtcMu.Unlock()
if !isCurrentPeer {
return
}
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session.logger.Info().
Bool("connected", connected).
Msg("set webrtc connected")
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session.state.IsWatching = connected
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session.manager.emmiter.Emit("state_changed", session)
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if connected {
return
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}
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session.webrtcMu.Lock()
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isCurrentPeer = webrtcPeer == session.webrtcPeer
if isCurrentPeer {
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session.webrtcPeer = nil
}
session.webrtcMu.Unlock()
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if isCurrentPeer {
session.Send(event.SIGNAL_CLOSE, nil)
}
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}
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func (session *SessionCtx) GetWebRTCPeer() types.WebRTCPeer {
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session.webrtcMu.Lock()
defer session.webrtcMu.Unlock()
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return session.webrtcPeer
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}