mirror of
https://github.com/opensim/opensim.git
synced 2026-08-08 18:25:33 +08:00
267 lines
12 KiB
C#
267 lines
12 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
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Reflection;
|
|
|
|
using OpenMetaverse.StructuredData;
|
|
|
|
using log4net;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace osWebRtcVoice
|
|
{
|
|
// Encapsulization of a Session to the Janus server
|
|
public class JanusRoom : IDisposable
|
|
{
|
|
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
private static readonly string LogHeader = "[JANUS ROOM]";
|
|
|
|
public int RoomId { get; private set; }
|
|
|
|
private JanusPlugin _AudioBridge;
|
|
|
|
// Wrapper around the session connection to Janus-gateway
|
|
public JanusRoom(JanusPlugin pAudioBridge, int pRoomId)
|
|
{
|
|
_AudioBridge = pAudioBridge;
|
|
RoomId = pRoomId;
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
// Close the room
|
|
}
|
|
|
|
public async Task<bool> JoinRoom(JanusViewerSession pVSession)
|
|
{
|
|
try
|
|
{
|
|
// m_log.DebugFormat("{0} JoinRoom. New joinReq for room {1}", LogHeader, RoomId);
|
|
|
|
// Discovered that AudioBridge doesn't care if the data portion is present
|
|
// and, if removed, the viewer complains that the "m=" sections are
|
|
// out of order. Not "cleaning" (removing the data section) seems to work.
|
|
// string cleanSdp = CleanupSdp(pSdp);
|
|
AudioBridgeAgentJoinRoomReq joinReq = new(RoomId, pVSession.AgentId);
|
|
// joinReq.SetJsep("offer", cleanSdp);
|
|
joinReq.SetJsep("offer", pVSession.Offer);
|
|
|
|
JanusMessageResp resp = await _AudioBridge.SendPluginMsg(joinReq).ConfigureAwait(false);
|
|
AudioBridgeJoinRoomResp joinResp = new(resp);
|
|
|
|
if (joinResp is not null && joinResp.AudioBridgeReturnCode == "joined" && joinResp.ParticipantId > 0)
|
|
{
|
|
pVSession.ParticipantId = joinResp.ParticipantId;
|
|
pVSession.Answer = joinResp.Jsep;
|
|
m_log.Debug($"{LogHeader} JoinRoom. Joined room {RoomId}. Participant={pVSession.ParticipantId}");
|
|
return true;
|
|
}
|
|
|
|
if (joinResp is not null && (joinResp.AudioBridgeErrorCode == 490 || joinResp.AudioBridgeErrorCode == 491))
|
|
{
|
|
m_log.Warn($"{LogHeader} JoinRoom. Already in a room for agent {pVSession.AgentId}. Attempting recovery.");
|
|
|
|
bool recovered = await RecoverAlreadyInRoomAndLeave(pVSession.AgentId.ToString()).ConfigureAwait(false);
|
|
if (recovered)
|
|
{
|
|
AudioBridgeAgentJoinRoomReq retryJoinReq = new(RoomId, pVSession.AgentId);
|
|
retryJoinReq.SetJsep("offer", pVSession.Offer);
|
|
JanusMessageResp retryResp = await _AudioBridge.SendPluginMsg(retryJoinReq).ConfigureAwait(false);
|
|
AudioBridgeJoinRoomResp retryJoinResp = new(retryResp);
|
|
|
|
if (retryJoinResp is not null && retryJoinResp.AudioBridgeReturnCode == "joined" && retryJoinResp.ParticipantId > 0)
|
|
{
|
|
pVSession.ParticipantId = retryJoinResp.ParticipantId;
|
|
pVSession.Answer = retryJoinResp.Jsep;
|
|
m_log.Info($"{LogHeader} JoinRoom. Recovery succeeded for room {RoomId}. Participant={pVSession.ParticipantId}");
|
|
return true;
|
|
}
|
|
|
|
m_log.Error($"{LogHeader} JoinRoom. Recovery retry failed for room {RoomId}. Resp={retryJoinResp?.ToString() ?? "null"}");
|
|
}
|
|
else
|
|
{
|
|
m_log.Error($"{LogHeader} JoinRoom. Recovery failed: could not clear previous room membership. Resp={joinResp}");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (joinResp is not null && joinResp.AudioBridgeReturnCode == "joined" && joinResp.ParticipantId <= 0)
|
|
{
|
|
m_log.ErrorFormat("{0} JoinRoom. Joined response contains invalid participant id {1} for room {2}",
|
|
LogHeader, joinResp.ParticipantId, RoomId);
|
|
if (m_log.IsDebugEnabled)
|
|
m_log.DebugFormat("{0} JoinRoom. Invalid participant detail: {1}", LogHeader, joinResp.ToString());
|
|
}
|
|
else
|
|
{
|
|
m_log.ErrorFormat("{0} JoinRoom. Failed to join room {1}", LogHeader, RoomId);
|
|
if (m_log.IsDebugEnabled)
|
|
m_log.DebugFormat("{0} JoinRoom. Failure detail: {1}", LogHeader, joinResp?.ToString() ?? "null");
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error($"{LogHeader} JoinRoom. Exception ", e);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private async Task<bool> RecoverAlreadyInRoomAndLeave(string pDisplay)
|
|
{
|
|
try
|
|
{
|
|
JanusMessageResp listRoomsRespRaw = await _AudioBridge.SendPluginMsg(new AudioBridgeListRoomsReq()).ConfigureAwait(false);
|
|
AudioBridgeResp listRoomsResp = new AudioBridgeResp(listRoomsRespRaw);
|
|
if (listRoomsResp?.PluginRespData is null ||
|
|
!listRoomsResp.PluginRespData.TryGetValue("list", out OSD roomListNode) ||
|
|
roomListNode is not OSDArray roomList)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
foreach (OSD roomNode in roomList)
|
|
{
|
|
if (roomNode is not OSDMap roomMap ||
|
|
!roomMap.TryGetValue("room", out OSD roomIdNode))
|
|
continue;
|
|
|
|
int roomId = roomIdNode.AsInteger();
|
|
// if (roomId <= 0)
|
|
// continue;
|
|
|
|
JanusMessageResp listParticipantsRespRaw = await _AudioBridge.SendPluginMsg(new AudioBridgeListParticipantsReq(roomId)).ConfigureAwait(false);
|
|
AudioBridgeResp listParticipantsResp = new AudioBridgeResp(listParticipantsRespRaw);
|
|
if (listParticipantsResp?.PluginRespData is null ||
|
|
!listParticipantsResp.PluginRespData.TryGetValue("participants", out OSD participantsNode) ||
|
|
participantsNode is not OSDArray participants)
|
|
continue;
|
|
|
|
foreach (OSD participantNode in participants)
|
|
{
|
|
if (participantNode is not OSDMap participant)
|
|
continue;
|
|
|
|
string display = participant.TryGetValue("display", out OSD displayNode) ? displayNode.AsString() : string.Empty;
|
|
if (!string.Equals(display, pDisplay, StringComparison.Ordinal))
|
|
continue;
|
|
|
|
long participantId = participant.TryGetValue("id", out OSD idNode) ? idNode.AsLong() : 0L;
|
|
if (participantId <= 0)
|
|
continue;
|
|
|
|
JanusMessageResp leaveRespRaw = await _AudioBridge.SendPluginMsg(new AudioBridgeLeaveRoomReq(roomId, participantId)).ConfigureAwait(false);
|
|
AudioBridgeResp leaveResp = new(leaveRespRaw);
|
|
|
|
if (leaveResp is not null)
|
|
{
|
|
int errorCode = leaveResp.AudioBridgeErrorCode;
|
|
string abCode = leaveResp.AudioBridgeReturnCode;
|
|
string janusCode = leaveRespRaw.ReturnCode;
|
|
|
|
if (errorCode == 0 || abCode == "left" || abCode == "event" || janusCode == "ack")
|
|
{
|
|
m_log.Info($"{LogHeader} RecoverAlreadyInRoomAndLeave. Cleared stale participant {participantId} from room {roomId}");
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error($"{LogHeader} RecoverAlreadyInRoomAndLeave. Exception ", e);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// TODO: this doesn't work.
|
|
// Not sure if it is needed. Janus generates Hangup events when the viewer leaves.
|
|
/*
|
|
public async Task<bool> Hangup(JanusViewerSession pAttendeeSession)
|
|
{
|
|
bool ret = false;
|
|
try
|
|
{
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat("{0} LeaveRoom. Exception {1}", LogHeader, e);
|
|
}
|
|
return ret;
|
|
}
|
|
*/
|
|
|
|
public async Task<bool> LeaveRoom(JanusViewerSession pAttendeeSession)
|
|
{
|
|
try
|
|
{
|
|
JanusMessageResp resp = await _AudioBridge.SendPluginMsg(
|
|
new AudioBridgeLeaveRoomReq(RoomId, pAttendeeSession.ParticipantId)).ConfigureAwait(false);
|
|
|
|
if (resp is null)
|
|
{
|
|
m_log.Error($"{LogHeader} LeaveRoom. Null response for room {RoomId}, participant={pAttendeeSession.ParticipantId}");
|
|
return false;
|
|
}
|
|
|
|
AudioBridgeResp abResp = new(resp);
|
|
string returnCode = abResp.AudioBridgeReturnCode;
|
|
string janusReturnCode = resp.ReturnCode;
|
|
int errorCode = abResp.AudioBridgeErrorCode;
|
|
|
|
if (errorCode == 0 &&
|
|
(abResp.isSuccess || returnCode == "left" || returnCode == "event" || returnCode == "success" || janusReturnCode == "ack"))
|
|
{
|
|
if (janusReturnCode == "ack" && string.IsNullOrEmpty(returnCode))
|
|
{
|
|
m_log.Debug($"{LogHeader} LeaveRoom. Ack for room {RoomId}, participant={pAttendeeSession.ParticipantId}");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (errorCode == 487 &&
|
|
(returnCode == "event" || janusReturnCode == "event" || janusReturnCode == "ack"))
|
|
{
|
|
m_log.Info($"{LogHeader} LeaveRoom. Participant already left room {RoomId}, participant={pAttendeeSession.ParticipantId} (errorCode=487)");
|
|
return true;
|
|
}
|
|
|
|
m_log.Error($"{LogHeader} LeaveRoom. Failed room {RoomId}, participant={pAttendeeSession.ParticipantId}, janus={janusReturnCode}, audiobridge={returnCode}, errorCode={errorCode}");
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error($"{LogHeader} LeaveRoom. Exception ", e);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|