139 lines
5.3 KiB
C#
139 lines
5.3 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Reflection;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using OpenSim.Services.Base;
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using OpenMetaverse.StructuredData;
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using OpenMetaverse;
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using Nini.Config;
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using log4net;
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using System.Threading.Tasks;
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using System.Text.RegularExpressions;
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using System.Collections.Generic;
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namespace osWebRtcVoice
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{
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// Encapsulization of a Session to the Janus server
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public class JanusRoom : IDisposable
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static readonly string LogHeader = "[JANUS ROOM]";
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public int RoomId { get; private set; }
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private JanusPlugin _AudioBridge;
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// Wrapper around the session connection to Janus-gateway
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public JanusRoom(JanusPlugin pAudioBridge, int pRoomId)
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{
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_AudioBridge = pAudioBridge;
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RoomId = pRoomId;
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}
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public void Dispose()
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{
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// Close the room
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}
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public async Task<bool> JoinRoom(JanusViewerSession pVSession)
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{
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bool ret = false;
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try
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{
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// m_log.DebugFormat("{0} JoinRoom. New joinReq for room {1}", LogHeader, RoomId);
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// Discovered that AudioBridge doesn't care if the data portion is present
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// and, if removed, the viewer complains that the "m=" sections are
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// out of order. Not "cleaning" (removing the data section) seems to work.
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// string cleanSdp = CleanupSdp(pSdp);
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var joinReq = new AudioBridgeJoinRoomReq(RoomId, pVSession.AgentId.ToString());
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// joinReq.SetJsep("offer", cleanSdp);
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joinReq.SetJsep("offer", pVSession.Offer);
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JanusMessageResp resp = await _AudioBridge.SendPluginMsg(joinReq);
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AudioBridgeJoinRoomResp joinResp = new AudioBridgeJoinRoomResp(resp);
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if (joinResp is not null && joinResp.AudioBridgeReturnCode == "joined")
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{
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pVSession.ParticipantId = joinResp.ParticipantId;
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pVSession.Answer = joinResp.Jsep;
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ret = true;
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m_log.DebugFormat("{0} JoinRoom. Joined room {1}. Participant={2}", LogHeader, RoomId, pVSession.ParticipantId);
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}
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else
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{
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m_log.ErrorFormat("{0} JoinRoom. Failed to join room {1}. Resp={2}", LogHeader, RoomId, joinResp.ToString());
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}
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} JoinRoom. Exception {1}", LogHeader, e);
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}
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return ret;
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}
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// TODO: this doesn't work.
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// Not sure if it is needed. Janus generates Hangup events when the viewer leaves.
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/*
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public async Task<bool> Hangup(JanusViewerSession pAttendeeSession)
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{
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bool ret = false;
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try
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{
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} LeaveRoom. Exception {1}", LogHeader, e);
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}
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return ret;
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}
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*/
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public async Task<bool> LeaveRoom(JanusViewerSession pAttendeeSession)
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{
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bool ret = false;
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try
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{
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JanusMessageResp resp = await _AudioBridge.SendPluginMsg(
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new AudioBridgeLeaveRoomReq(RoomId, pAttendeeSession.ParticipantId));
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} LeaveRoom. Exception {1}", LogHeader, e);
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}
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return ret;
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}
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}
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}
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