OpenSim/NAT

NATループバック機能つきルータ†[edit]

• バッファロー
  • BBR-4MG
  • BBR-4HG
• Yamaha
  • RT-57i
  • RT-58i

サーバの NAT 越え†[edit]

• UDP でのアドレス通知は無くなった（プロトコルとしては残っているが，使われなくなった）
• InternalAddress の使い方が簡単になった．（というか殆ど使用されていない）

ServerIPAddress†[edit]

• OpenSim/Framework/RegionInfo.cs
• OpenSim/Services/Interfaces/IGridService.cs
  • DB の regions の Token を間借り (InternalIPAddess を入れる)

IGridService.cs†[edit]

• OpenSim.exe
  • public GridRegion(Dictionary<string, object> kvp)
    • 他のリージョンの情報を得る
  • public Dictionary<string, object> ToKeyValuePairs()
    • 自分のリージョンの情報を書き込む

• Robust.exe
  • public GridRegion(Dictionary<string, object> kvp)
    • 他のリージョンの情報を得る
  • public Dictionary<string, object> ToKeyValuePairs()
    • ???

NetworkUtil.cs†[edit]

• OpenSim/Framework/NetworkUtil.cs

sim_ip†[edit]

• OpenSim/Services/LLLoginService/LLLoginResponse.cs

SimIP†[edit]

• OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
  • CrossRegion(ulong newRegionHandle, Vector3 pos, Vector3 lookAt, IPEndPoint externalIPEndPoint, string capsURL)
    • OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
    • OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
  • SendRegionTeleport(ulong regionHandle, byte simAccess, IPEndPoint newRegionEndPoint, uint locationID, uint flags, string capsURL)
    • OpenSim/Region/CoreModules/Framework/Ent​ityTransfer/EntityTransferModule.cs

• OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueHelper.cs
  • CrossRegion() : newRegionExternalEndPoint
  • TeleportFinishEvent() : regionExternalEndPoint

IP†[edit]

• OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueHelper.cs
  • EnableSimulator(ulong handle, IPEndPoint endPoint, UUID avatarID, int regionSizeX, int regionSizeY)
    • OpenSim/Region/CoreModules/Framework/Ent​ityTransfer/EntityTransferModule.cs

Caps†[edit]

• OpenSim/Capabilities/Caps.cs
  • HostName を書き換え可能にする
• OpenSim/Region/CoreModules/Framework/Cap​s/CapabilitiesModule.cs
  • 接続してきた Viewer のアドレスを直接知ることができない．
  • aCircuit (AgentCircuitData) の Channel から Region のプライベートアドレス情報を取り出す
• OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs

• OpenSim/Services/LLLoginService/LLLoginService.cs
  • aCircuit (AgentCircuitData) の Channel に Region のプライベートアドレス情報を載せる

Uploader†[edit]

• OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs
  • 接続してきた Viewer のアドレスを直接知ることができない．
  • aCircuit (AgentCircuitData) の Channel から Region のプライベートアドレス情報を取り出す

Private IP 情報†[edit]

• hash[]
  • OpenSim/Server/Handlers/Hypergrid/HypergridHandlers.cs
  • OpenSim/Server/Handlers/Hypergrid/UserAgentServerConnector.cs
  • OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
  • OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs

Teleport†[edit]

• OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs
• OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
• OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
• OpenSim/Region/Framework/Scenes/Scene.cs
• OpenSim/Region/CoreModules/Avatar/Lure/HGLureModule.cs

通常のTeleport†[edit]

• Scene.cs: RequestTeleportLocation()
• Teleport()
• TeleportAgentToDifferentRegion()
• DoTeleportInternal()

Telepot to Home†[edit]

• OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
• TeleportHome()
• DoTeleport()
• DoTeleportInternal()

-- OLD -- サーバの NAT 越え -- OLD --†[edit]

ExternalHostName†[edit]

• ExternalIPAddress を定義して，ExternalHostName　と明確に役目を分離
• ExternalHostName : CAP用 URL生成に使用
• ExternalIPAddress : UDP通信のためのサーバIP通知に使用．NATの外側のアドレス
• 関連ファイル
  • OpenSim/Framework/RegionInfo.cs
    • ExternalIPAddress を定義
  • OpenSim/Framework/Communications/Clients/GridClient.cs
  • OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
  • OpenSim/Services/Interfaces/IGridService.cs
  • OpenSim/Data/RegionProfileData.cs
    • serverIP -> serverName
    • serverIPadr を新しく定義
  • OpenSim/Data/RegionProfileServiceProxy.cs
  • OpenSim/Data/MySQL/MySQLManager.cs
  • OpenSim/Data/MSSQL/MSSQLGridData.cs
  • OpenSim/Data/SQLite/SQLiteManager.cs
  • OpenSim/Grid/GridServer.Modules/GridXmlRpcModule.cs
  • OpenSim/Grid/GridServer.Modules/GridRestModule.cs
  • OpenSim/Region/Framework/Scenes/Scene.cs
  • OpenSim/Region/Framework/Scenes/Tests/SceneTests.cs
  • OpenSim/Tests/Common/Setup/SceneSetupHelpers.cs

• OpenSim/Framework/NetworkUtil.cs
  • GetIPformString() を追加
  • GetNATIP() を追加
• OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
• OpenSim/Grid/UserServer.Modules/UserLoginService.cs
• OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs
• OpenSim/Client/Linden/LLStandaloneLoginService.cs

NATの外側と内側へのUDPアドレスの通知†[edit]

• 外側へは ExternalIPAddress を通知
• 内側へは InternalEndPoint.IPAddress または ローカルIP（自動取得）を通知
• Opensim/Framework/NetworkUtil.cs
  • GetNATIP() を作成

sim_ip (login)†[edit]

• OpenSim/Framework/Communications/Services/LoginResponse.cs
• OpenSim/Client/Linden/LLStandaloneLoginService.cs
  • SimAddress
  • OpenSim/Grid/UserServer.Modules/UserLoginService.cs
    • PrepareLoginToRegion(RegionProfileData regionInfo, UserProfileData user, LoginResponse response, IPEndPoint remoteClient)
  • OpenSim/Client/Linden/LLStandaloneLoginService.cs
    • PrepareLoginToRegion(RegionInfo regionInfo, UserProfileData user, LoginResponse response, IPEndPoint remoteClient)

sim-ip-and-port†[edit]

• OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueHelper.cs:
  • EstablishAgentCommunication(UUID agentID, string simIpAndPort, string seedcap)
  • OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueGetModule.cs
    • EstablishAgentCommunication(UUID avatarID, IPEndPoint endPoint, string capsPath)
    • OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs

SimIP (CrossRegion, TeleportFinish)†[edit]

• OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueHelper.cs
  • CrossRegion(ulong handle, Vector3 pos, Vector3 lookAt, IPEndPoint newRegionExternalEndPoint, string capsURL, UUID agentID, UUID sessionID)
  • OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
    • ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, bool isFlying)

• TeleportFinishEvent(ulong regionHandle, byte simAccess, IPEndPoint regionExternalEndPoint, uint locationID, uint flags, string capsURL, UUID agentID)
• OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
  • RequestTeleportToLocation(ScenePresence avatar, ulong regionHandle, Vector3 position, Vector3 lookAt, uint teleportFlags)

IP (EnableSimulator)†[edit]

• OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueHelper.cs
  • EnableSimulator(ulong handle, IPEndPoint endPoint)
  • OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
    • InformClientOfNeighbourAsync(ScenePresence avatar, AgentCircuitData a, GridRegion reg, IPEndPoint endPoint, bool newAgent)

注意： NetworkUtil†[edit]

• static NetworkUtil() で address.IPv4Mask は mono では未実装!!

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