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opensim/OpenSim/Addons/os-webrtc-janus/Janus/JanusViewerSession.cs

110 lines
4.5 KiB
C#

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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*/
using System.Reflection;
using System.Threading.Tasks;
using OMV = OpenMetaverse;
using OpenMetaverse.StructuredData;
using log4net;
namespace WebRtcVoice
{
public class JanusViewerSession : IVoiceViewerSession
{
protected static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected static readonly string LogHeader = "[JANUS VIEWER SESSION]";
// 'viewer_session' that is passed to and from the viewer
// IVoiceViewerSession.ViewerSessionID
public string ViewerSessionID { get; set; }
// IVoiceViewerSession.VoiceService
public IWebRtcVoiceService VoiceService { get; set; }
// The Janus server keeps track of the user by this ID
// IVoiceViewerSession.VoiceServiceSessionId
public string VoiceServiceSessionId { get; set; }
// IVoiceViewerSession.RegionId
public OMV.UUID RegionId { get; set; }
// IVoiceViewerSession.AgentId
public OMV.UUID AgentId { get; set; }
// Janus keeps track of the user by this ID
public int ParticipantId { get; set; }
// Connections to the Janus server
public JanusSession Session { get; set; }
public JanusAudioBridge AudioBridge { get; set; }
public JanusRoom Room { get; set; }
// This keeps copies of the offer/answer incase we need to resend
public string OfferOrig { get; set; }
public string Offer { get; set; }
// Contains "type" and "sdp" fields
public OSDMap Answer { get; set; }
public JanusViewerSession(IWebRtcVoiceService pVoiceService)
{
ViewerSessionID = OMV.UUID.Random().ToString();
VoiceService = pVoiceService;
m_log.DebugFormat("{0} JanusViewerSession created {1}", LogHeader, ViewerSessionID);
}
public JanusViewerSession(string pViewerSessionID, IWebRtcVoiceService pVoiceService)
{
ViewerSessionID = pViewerSessionID;
VoiceService = pVoiceService;
m_log.DebugFormat("{0} JanusViewerSession created {1}", LogHeader, ViewerSessionID);
}
// Send the messages to the voice service to try and get rid of the session
// IVoiceViewerSession.Shutdown
public async Task Shutdown()
{
m_log.DebugFormat("{0} JanusViewerSession shutdown {1}", LogHeader, ViewerSessionID);
if (Room is not null)
{
var rm = Room;
Room = null;
await rm.LeaveRoom(this);
}
if (AudioBridge is not null)
{
var ab = AudioBridge;
AudioBridge = null;
await ab.Detach();
}
if (Session is not null)
{
var s = Session;
Session = null;
await s.DestroySession();
s.Dispose();
}
}
}
}