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/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2019 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package signaling
import (
"sync"
)
type BuiltinRoomSessions struct {
sessionIdToRoomSession map[string]string
roomSessionToSessionid map[string]string
mu sync.Mutex
}
func NewBuiltinRoomSessions() (RoomSessions, error) {
return &BuiltinRoomSessions{
sessionIdToRoomSession: make(map[string]string),
roomSessionToSessionid: make(map[string]string),
}, nil
}
func (r *BuiltinRoomSessions) SetRoomSession(session Session, roomSessionId string) error {
if roomSessionId == "" {
r.DeleteRoomSession(session)
return nil
}
r.mu.Lock()
defer r.mu.Unlock()
if sid := session.PublicId(); sid != "" {
r.sessionIdToRoomSession[sid] = roomSessionId
r.roomSessionToSessionid[roomSessionId] = sid
}
return nil
}
func (r *BuiltinRoomSessions) DeleteRoomSession(session Session) {
r.mu.Lock()
defer r.mu.Unlock()
if sid := session.PublicId(); sid != "" {
if roomSessionId, found := r.sessionIdToRoomSession[sid]; found {
delete(r.sessionIdToRoomSession, sid)
if r.roomSessionToSessionid[roomSessionId] == sid {
delete(r.roomSessionToSessionid, roomSessionId)
}
}
}
}
func (r *BuiltinRoomSessions) GetSessionId(roomSessionId string) (string, error) {
r.mu.Lock()
defer r.mu.Unlock()
if sid, found := r.roomSessionToSessionid[roomSessionId]; !found {
return "", ErrNoSuchRoomSession
} else {
return sid, nil
}
}