void Update()
{
if (m_Network != null)
{
m_Network.Update();
ReadNetworkEvents();
}
if (m_Network != null)
{
m_Network.Flush();
}
}
void HandleEvents()
{
if (network == null)
{
return;
}
network.Update();
NetworkEvent Event;
while (network != null && network.Dequeue(out Event))
{
if (Event.Type == NetEventType.ServerInitialized)
{
isServer = true;
}
else if (Event.Type == NetEventType.ServerInitFailed)
{
Disconnect();
}
else if (Event.Type == NetEventType.ServerClosed)
{
isServer = false;
}
else if (Event.Type == NetEventType.NewConnection)
{
connections.Add(Event.ConnectionId);
}
else if (Event.Type == NetEventType.ConnectionFailed)
{
Disconnect();
}
else if (Event.Type == NetEventType.Disconnected)
{
connections.Remove(Event.ConnectionId);
if (isServer == false)
{
Disconnect();
}
}
onEvent.OnNext(Event);
}
if (network != null)
{
network.Flush();
}
}
protected override void ReadMessages()
{
if (_webrtcNetwork == null)
{
return;
}
_webrtcNetwork.Update();
NetworkEvent evt;
while (_webrtcNetwork != null && _webrtcNetwork.Dequeue(out evt))
{
switch (evt.Type)
{
case NetEventType.UnreliableMessageReceived:
case NetEventType.ReliableMessageReceived:
var buffer = evt.MessageData;
NetworkReceivedPacket(new PureP2PPeer(evt.ConnectionId), new ArraySegment <byte>(buffer.Buffer, buffer.Offset, buffer.ContentLength));
break;
case NetEventType.FatalError:
case NetEventType.ServerInitFailed:
FatalError(string.Format("WebRTC `{0}`", evt.Type));
break;
case NetEventType.ConnectionFailed:
case NetEventType.Disconnected:
ClientDisconnected(new PureP2PPeer(evt.ConnectionId));
break;
case NetEventType.NewConnection:
case NetEventType.Invalid:
case NetEventType.ServerInitialized:
case NetEventType.Warning:
case NetEventType.Log:
Log.Debug("Ignoring `{0}` message type", evt.Type);
break;
case NetEventType.ServerClosed:
throw Log.CreatePossibleBugException(string.Format("Server received `{0}` event", evt.Type), "9576541B-13E4-432F-A8BF-5FD730AAD2D9");
default:
throw new ArgumentOutOfRangeException();
}
}
}
void Update()
{
if (network != null)
{
network.Update();
network.Flush();
// Dequeue while we have something
do
{
network.Dequeue(out NetworkEvent e);
if (e.Type != NetEventType.Invalid)
{
ProcessNetworkEvent(e);
}
} while (network.Peek(out NetworkEvent e2));
}
}
private void HandleNetwork()
{
//check if the network was created
if (mNetwork != null)
{
//first update it to read the data from the underlaying network system
mNetwork.Update();
//handle all new events that happened since the last update
NetworkEvent evt;
//check for new messages and keep checking if mNetwork is available. it might get destroyed
//due to an event
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
//print to the console for debugging
Debug.Log(evt);
//check every message
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
//server initialized message received
//this is the reaction to StartServer -> switch GUI mode
mIsServer = true;
string address = evt.Info;
Append("Server started. Address: " + address);
uRoomName.text = "" + address;
} break;
case NetEventType.ServerInitFailed:
{
//user tried to start the server but it failed
//maybe the user is offline or signaling server down?
mIsServer = false;
Append("Server start failed.");
Reset();
} break;
case NetEventType.ServerClosed:
{
//server shut down. reaction to "Shutdown" call or
//StopServer or the connection broke down
mIsServer = false;
Append("Server closed. No incoming connections possible until restart.");
} break;
case NetEventType.NewConnection:
{
mConnections.Add(evt.ConnectionId);
//either user runs a client and connected to a server or the
//user runs the server and a new client connected
Append("New local connection! ID: " + evt.ConnectionId);
//if server -> send announcement to everyone and use the local id as username
if (mIsServer)
{
//user runs a server. announce to everyone the new connection
//using the server side connection id as identification
string msg = "New user " + evt.ConnectionId + " joined the room.";
Append(msg);
SendString(msg);
}
} break;
case NetEventType.ConnectionFailed:
{
//Bugfix: The behavior of IBasicNetwork changed a little in past updates.
//It will now report also failed incoming connections
if (this.mIsServer == false)
{
//Outgoing connection failed. Inform the user.
Append("Connection failed");
Reset();
}
else
{
//This happens if another user tries to connect
//but the signaling fails e.g.
//* a firewall blocked the direct connection but allowed
// the signaling to start the connection process
// (could be a local firewall or at the remote users side)
//
//* STUN / TURN server failed or isn't available at all
//
//* other user cut the connection before it could fully establish
Debug.Log("An incoming connection failed.");
}
} break;
case NetEventType.Disconnected:
{
mConnections.Remove(evt.ConnectionId);
//A connection was disconnected
//If this was the client then he was disconnected from the server
//if it was the server this just means that one of the clients left
Append("Local Connection ID " + evt.ConnectionId + " disconnected");
if (mIsServer == false)
{
Reset();
}
else
{
string userLeftMsg = "User " + evt.ConnectionId + " left the room.";
//show the server the message
Append(userLeftMsg);
//other users left? inform them
if (mConnections.Count > 0)
{
SendString(userLeftMsg);
}
}
} break;
case NetEventType.ReliableMessageReceived:
case NetEventType.UnreliableMessageReceived:
{
HandleIncommingMessage(ref evt);
} break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}
private void HandleNetwork()
{
//check if the network was created
if (mNetwork != null)
{
//first update it to read the data from the underlaying network system
mNetwork.Update();
//handle all new events that accured since the last update
NetworkEvent evt;
while (mNetwork.Dequeue(out evt))
{
Debug.Log(evt);
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
mIsServer = true;
string address = evt.Info;
Append("Server started. Address: " + address);
uRoomName.text = "" + address;
SetGuiState(false);
} break;
case NetEventType.ServerInitFailed:
{
mIsServer = false;
Append("Server start failed.");
SetGuiState(true);
} break;
case NetEventType.ServerClosed:
{
mIsServer = false;
Append("Server closed.");
SetGuiState(true);
} break;
case NetEventType.NewConnection:
{
Append("New local connection! ID: " + evt.ConnectionId);
//if server -> send announcement to everyone and use the local id as username
if (mIsServer)
{
string msg = "New user " + evt.ConnectionId + " joined the room.";
Append(msg);
SendString(msg);
}
SetGuiState(false);
} break;
case NetEventType.ConnectionFailed:
{
Append("Connection failed");
SetGuiState(true);
} break;
case NetEventType.Disconnected:
{
Append("Local Connection ID " + evt.ConnectionId + " disconnected");
if (mNetwork.IsServer == false)
{
SetGuiState(true);
}
} break;
case NetEventType.ReliableMessageReceived:
case NetEventType.UnreliableMessageReceived:
{
HandleIncommingMessage(ref evt);
} break;
}
}
//finish this update by flushing the messages out
mNetwork.Flush();
}
}
private void HandleNetwork()
{
//check if the network was created
if (mNetwork != null)
{
//first update it to read the data from the underlaying network system
mNetwork.Update();
//handle all new events that accured since the last update
NetworkEvent evt;
while (mNetwork.Dequeue(out evt))
{
//print to the console for debugging
Debug.Log(evt);
//check every message
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
//server initialized message received
//this is the reaction to StartServer -> switch gui mode
mIsServer = true;
string address = evt.Info;
Append("Server started. Address: " + address);
uRoomName.text = "" + address;
SetGuiState(false);
} break;
case NetEventType.ServerInitFailed:
{
//user tried to start the server but it failed
//maybe the user is offline or signaling server down?
mIsServer = false;
Append("Server start failed.");
SetGuiState(true);
} break;
case NetEventType.ServerClosed:
{
//server shut down. reaction to "Shutdown" call or
//StopServer or the connection broke down
mIsServer = false;
Append("Server closed.");
SetGuiState(true);
} break;
case NetEventType.NewConnection:
{
//either user runs a client and connected to a server or the
//user runs the server and a new client connected
Append("New local connection! ID: " + evt.ConnectionId);
//if server -> send announcement to everyone and use the local id as username
if (mIsServer)
{
//user runs a server. announce to everyone the new connection
//using the server side connection id as idendification
string msg = "New user " + evt.ConnectionId + " joined the room.";
Append(msg);
SendString(msg);
}
SetGuiState(false);
} break;
case NetEventType.ConnectionFailed:
{
//Outgoing connection failed. Inform the user.
Append("Connection failed");
SetGuiState(true);
} break;
case NetEventType.Disconnected:
{
//A connection was disconnected
//If this was the client then he was disconnected from the server
//if it was the server this just means that one of the clients left
Append("Local Connection ID " + evt.ConnectionId + " disconnected");
if (mNetwork.IsServer == false)
{
SetGuiState(true);
}
else
{
string userLeftMsg = "User " + evt.ConnectionId + " left the room.";
//show the server the message
Append(userLeftMsg);
//other users left? inform them
if (mNetwork.Connections.Count > 0)
{
SendString(userLeftMsg);
}
}
} break;
case NetEventType.ReliableMessageReceived:
case NetEventType.UnreliableMessageReceived:
{
HandleIncommingMessage(ref evt);
} break;
}
}
//finish this update by flushing the messages out
mNetwork.Flush();
}
}
void HandleNetwork()
{
//check if the network was created
if (mNetwork != null)
{
//first update it to read the data from the underlaying network system
mNetwork.Update();
//handle all new events that happened since the last update
NetworkEvent evt;
//check for new messages and keep checking if mNetwork is available. it might get destroyed
//due to an event
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
//check every message
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
//server initialized message received
//this is the reaction to StartServer -> switch GUI mode
string address = evt.Info;
PrintDebug("Server started. Address: " + address);
//uRoomName.text = "" + address;
}
break;
case NetEventType.ServerInitFailed:
{
//user tried to start the server but it failed
//maybe the user is offline or signaling server down?
PrintDebug("Server start failed.");
}
break;
case NetEventType.ServerClosed:
{
mNetwork.Connect(roomName);
}
break;
case NetEventType.NewConnection:
{
// mConnections.Add(evt.ConnectionId);
//either user runs a client and connected to a server or the
//user runs the server and a new client connected
PrintDebug("New local connection! ID: " + evt.ConnectionId);
peers[evt.ConnectionId.ToString()] = evt.ConnectionId;
if (OnConnection != null)
{
OnConnection(evt.ConnectionId);
}
}
break;
case NetEventType.ConnectionFailed:
{
//Outgoing connection failed. Inform the user.
PrintDebug("Connection failed");
mNetwork.Connect(roomName);
}
break;
case NetEventType.Disconnected:
{
//mConnections.Remove(evt.ConnectionId);
//A connection was disconnected
//If this was the client then he was disconnected from the server
//if it was the server this just means that one of the clients left
PrintDebug("Local Connection ID " + evt.ConnectionId + " disconnected");
if (peers.ContainsKey(evt.ConnectionId.ToString()))
{
peers.Remove(evt.ConnectionId.ToString());
}
if (OnDisconnection != null)
{
OnDisconnection(evt.ConnectionId);
}
}
break;
case NetEventType.ReliableMessageReceived:
{
if (OnReceivedMessage != null)
{
OnReceivedMessage(evt);
}
// Maybe call
// evt.MessageData.Dispose();
// ? Idk. Same for Unreliable
}
break;
case NetEventType.UnreliableMessageReceived:
{
if (OnReceivedMessage != null)
{
OnReceivedMessage(evt);
}
}
break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}
private void HandleNetwork()
{
//check if the network was created
if (mNetwork != null)
{
//first update it to read the data from the underlaying network system
mNetwork.Update();
//handle all new events that happened since the last update
NetworkEvent evt;
//check for new messages and keep checking if mNetwork is available. it might get destroyed
//due to an event
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
lastTimeGotAnything = DateTime.Now;
//check every message
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
//server initialized message received
mIsServer = true;
string address = evt.Info;
PrintDebug("Server started. Address: " + address);
}
break;
case NetEventType.ServerInitFailed:
{
//user tried to start the server but it failed
//maybe the user is offline or signaling server down?
PrintDebug("Server start failed.");
mIsServer = false;
}
break;
case NetEventType.ServerClosed:
{
PrintDebug("Server closed");
mNetwork.StartServer(roomName);
}
break;
case NetEventType.NewConnection:
{
//user runs a server. announce to everyone the new connection
//using the server side connection id as identification
string msg = "New user " + evt.ConnectionId + " joined the room.";
PrintDebug(msg);
peers[evt.ConnectionId.ToString()] = evt.ConnectionId;
if (OnConnection != null)
{
OnConnection(evt.ConnectionId);
}
}
break;
case NetEventType.ConnectionFailed:
{
//Outgoing connection failed. Inform the user.
PrintDebug("Connection failed");
}
break;
case NetEventType.Disconnected:
{
//mConnections.Remove(evt.ConnectionId);
//A connection was disconnected
//If this was the client then he was disconnected from the server
//if it was the server this just means that one of the clients left
PrintDebug("Local Connection ID " + evt.ConnectionId + " disconnected");
if (peers.ContainsKey(evt.ConnectionId.ToString()))
{
peers.Remove(evt.ConnectionId.ToString());
}
if (OnDisconnection != null)
{
OnDisconnection(evt.ConnectionId);
}
}
break;
case NetEventType.ReliableMessageReceived:
{
if (OnReceivedMessage != null)
{
OnReceivedMessage(evt);
}
}
break;
case NetEventType.UnreliableMessageReceived:
{
if (OnReceivedMessage != null)
{
OnReceivedMessage(evt);
}
}
break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}
void HandleNetwork()
{
if (mNetwork != null)
{
mNetwork.Update();
NetworkEvent evt;
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
//Debug.Log(evt);
switch (evt.Type)
{
case NetEventType.ServerInitialized:
{
//server initialized message received
mIsServer = true;
if (connected != null)
{
connected();
}
}
break;
case NetEventType.ServerInitFailed:
{
//user tried to start the server but it failed
mIsServer = false;
Debug.Log("Server start failed: " + channel);
Reset();
Invoke("CreateChannel", 5.0f);
}
break;
case NetEventType.ServerClosed:
{
mIsServer = false;
Debug.Log("Server closed. No incoming connections possible until restart.");
Reset();
}
break;
case NetEventType.NewConnection:
{
ConnectionStatus status;
status.isReadyForStream = false;
status.isCompressStream = false;
status.isTemporalStop = false;
status.sendQueue = 0;
mConnections.Add(
new KeyValuePair <ConnectionId, ConnectionStatus>(evt.ConnectionId, status)
);
if (mIsServer)
{
if (userConnected != null)
{
userConnected(evt.ConnectionId);
}
}
}
break;
case NetEventType.ConnectionFailed:
{
//Outgoing connection failed. Inform the user.
Debug.Log("Connection failed: " + channel);
Reset();
Invoke("ConnectToChannel", 5.0f);
}
break;
case NetEventType.Disconnected:
{
foreach (KeyValuePair <ConnectionId, ConnectionStatus> p in mConnections)
{
if (evt.ConnectionId.Equals(p.Key))
{
mConnections.Remove(p);
break;
}
}
//A connection was disconnected
Debug.Log("Local Connection ID " + evt.ConnectionId + " disconnected");
if (mIsServer == false)
{
//Reset();
}
else
{
//other users left? inform them
if (mConnections.Count > 0)
{
//SendString(userLeftMsg);
}
}
}
break;
case NetEventType.ReliableMessageReceived:
case NetEventType.UnreliableMessageReceived:
{
HandleIncommingData(ref evt);
}
break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}
protected override void ReadMessages()
{
if (_webrtcNetwork == null)
{
return;
}
_webrtcNetwork.Update();
NetworkEvent evt;
while (_webrtcNetwork != null && _webrtcNetwork.Dequeue(out evt))
{
switch (evt.Type)
{
case NetEventType.UnreliableMessageReceived:
case NetEventType.ReliableMessageReceived:
var id = NetworkReceivedPacket(new ArraySegment <byte>(evt.MessageData.Buffer, evt.MessageData.Offset, evt.MessageData.ContentLength));
if (id.HasValue)
{
ReceiveHandshakeP2P(id.Value, new PureP2PPeer(evt.ConnectionId));
}
break;
case NetEventType.NewConnection:
if (evt.ConnectionId == _serverConnectionId)
{
Connected();
}
else
{
SendHandshakeP2P(evt.ConnectionId);
}
break;
case NetEventType.ServerClosed:
Disconnect();
break;
case NetEventType.Disconnected:
if (evt.ConnectionId == _serverConnectionId)
{
Disconnect();
}
break;
case NetEventType.ConnectionFailed:
if (evt.ConnectionId == _serverConnectionId)
{
FatalError("Failed to connect to server");
}
else
{
Log.Warn("Failed connection: {0}", evt.ConnectionId);
}
break;
case NetEventType.ServerInitFailed:
case NetEventType.FatalError:
FatalError(string.Format("WebRTC Fatal event: `{0}`", evt.Type));
break;
case NetEventType.ServerInitialized:
case NetEventType.Invalid:
case NetEventType.Warning:
case NetEventType.Log:
Log.Debug("Ignoring WebRTC `{0}` message", evt.Type);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
private void FixedUpdate()
{
//check if the network was created
if (mNetwork != null)
{
//sync all units before processing events
if (batch.Count > 0)
{
SendBatch();
}
mNetwork.Update();
NetworkEvent evt;
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
switch (evt.Type)
{
case NetEventType.ServerInitialized:
//server initialized message received
state.isServer = true;
// currently the server is always 0
networkID = 0;
string address = evt.Info;
state.gui.roomID.text = "Room ID: " + address;
Debug.Log("Server started. Address: " + address);
lobbyAddress = address;
state.gui.SetUnitIconPosition(networkID);
state.gui.MapSelectMenu();
state.gui.mapSelect.init(address);
break;
case NetEventType.ServerInitFailed:
state.isServer = false;
Debug.Log("Server start failed.");
Reset();
break;
case NetEventType.ServerClosed:
state.isServer = false;
state.LeaveGame();
Debug.Log("Server closed. No incoming connections possible until restart.");
state.gui.ConnectMenu();
break;
case NetEventType.NewConnection:
ConnectionId connection = evt.ConnectionId;
Debug.Log("new conection: " + connection.id.ToString());
if (!state.isServer && serverID == ConnectionId.INVALID)
{
//clients unconditionally connect to their server and wait for a response.
mConnections.Add(connection);
serverID = connection;
}
else if (state.inGame)
{
mConnections.Add(connection);
SendMessage(new RefuseConnection {
reason = "The game you tried to join has already begun."
}, evt.ConnectionId.id, false);
mConnections.Remove(connection);
}
else if (state.isServer)
{
bool openSlot = false;
//check if there is an open slot in the playerSlots list
for (short i = 0; i < playerSlots.Length; i++)
{
//if there is, occupy that slot with the connectionID of the client who connected
//and add the connection to our connections list.
if (playerSlots[i] == 0)
{
mConnections.Add(connection);
openSlot = true;
playerSlots[i] = evt.ConnectionId.id;
SendMessage(new AssignClient {
playerID = (short)(i + 1),
address = lobbyAddress
}, evt.ConnectionId.id, false);
break;
}
}
//if there was not an open slot, refuse the connection
if (!openSlot)
{
mConnections.Add(connection);
SendMessage(new RefuseConnection {
reason = "The lobby you tried to join was full."
}, evt.ConnectionId.id, false);
mConnections.Remove(connection);
}
}
break;
case NetEventType.ConnectionFailed:
//Outgoing connection failed. Inform the user.
Debug.Log("Connection failed");
Reset();
break;
case NetEventType.Disconnected:
// A connection was disconnected
Debug.Log("Local Connection ID " + evt.ConnectionId + " disconnected");
if (state.isServer)
{
if (state.inGame)
{
for (short i = 0; i < playerSlots.Length; i++)
{
if (playerSlots[i] == evt.ConnectionId.id)
{
Reset();
break;
}
}
}
else
{
for (short i = 0; i < playerSlots.Length; i++)
{
if (playerSlots[i] == evt.ConnectionId.id)
{
mConnections.Remove(evt.ConnectionId);
state.gui.mapSelect.RecieveDisconnected((short)(i + 1));
playerSlots[i] = 0;
break;
}
}
}
}
else
{
if (evt.ConnectionId.id == serverID.id)
{
Reset();
state.gui.Cleanup();
}
}
break;
case NetEventType.ReliableMessageReceived:
case NetEventType.UnreliableMessageReceived:
//Debug.Log ("Recieved message: " + evt);
HandleIncommingMessage(ref evt);
break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}
// Esta función realiza la función de leer que mensajes les llega desde la red...
private void HandleNetwork()
{
if (mNetwork != null)
{
mNetwork.Update();
NetworkEvent evt;
while (mNetwork != null && mNetwork.Dequeue(out evt))
{
switch (evt.Type)
{
// El servidor de señalización informa de que se hace creado la sala de setreaming....
case NetEventType.ServerInitialized:
{
mIsServer = true;
address = evt.Info;
Debug.Log("Server started. Address: " + address);
Debug.Log("ConnectionId: " + evt.ConnectionId);
// Pone a true la variable isSending
GetComponent <PlayerCode>().CmdIsSending();
}
break;
// El servidor de señalización informa de que ha habido un problema al crear la sala....
case NetEventType.ServerInitFailed:
{
mIsServer = false;
Reset();
}
break;
// El servidor de señalización informa de que la sala se ha cerrado....
case NetEventType.ServerClosed:
{
mIsServer = false;
// Pone a false la variable isSending
GetComponent <PlayerCode>().CmdNotSending();
isTransmitter = false;
}
break;
// El servidor de señalización informa de que se ha añadido alguien a la sala...
case NetEventType.NewConnection:
{
mConnections.Add(evt.ConnectionId);
// Pone a true la variable isBusy
GetComponent <PlayerCode>().CmdIsBusy();
if (!mIsServer)
{
Append(DateTime.Now.ToString() + ": Te has unido a una sala.");
isConnectedAsClient = true;
}
else
{
Append(DateTime.Now.ToString() + ": Un jugador se ha unido a tu sala.");
}
}
break;
// El servidor de señalización informa de que no se ha podido el jugador a una sala de streaming...
case NetEventType.ConnectionFailed:
{
Reset();
DesactivateCamera();
}
break;
// El servidor de señalización informa de que se ha abandonado la sala...
case NetEventType.Disconnected:
{
mConnections.Remove(evt.ConnectionId);
if (!mIsServer)
{
Reset();
isConnectedAsClient = false;
}
else
{
Append(DateTime.Now.ToString() + ": Se han desconectado de tu sala.");
}
// Pone a false la variable isBusy
GetComponent <PlayerCode>().CmdNotBusy();
isTransmitter = false;
}
break;
// Canal RELIABLE del asset, aquí se llamará a la función de recepción de audio...
case NetEventType.ReliableMessageReceived:
{
HandleIncommingStreamingAudio(ref evt);
}
break;
// Canal UNRELIABLE del asset, aquí se llamará a la función de recepción de vídeo y mensajes...
case NetEventType.UnreliableMessageReceived:
{
HandleIncommingStreamingVideoAndText(ref evt);
}
break;
}
}
//finish this update by flushing the messages out if the network wasn't destroyed during update
if (mNetwork != null)
{
mNetwork.Flush();
}
}
}