/// <summary>
/// Got a response to a UDP server query
/// </summary>
/// <param name="data"></param>
protected virtual void QueryResponseSuccess(UDPServerQueryClient.UDPServerQueryType queryType, UDPPacket data)
{
// The packet type should be the first byte
byte packetType = data.PopByte();
// Try to update this server with data from the query response
Update(packetType, data);
// Notify the connection that the query was successful
if (Connection != null)
{
Connection.HandleQueryResponse((UDPServerQueryClient.UDPServerQueryType)packetType);
}
switch ((UDPServerQueryClient.UDPServerQueryType)packetType)
{
case UDPServerQueryClient.UDPServerQueryType.Basic:
queryClient.BeginQuery(Protocol.SERVERQUERY_TIMEOUT, UDPServerQueryClient.UDPServerQueryType.GameInfo, Address, QueryPort);
break;
case UDPServerQueryClient.UDPServerQueryType.GameInfo:
queryClient.BeginQuery(Protocol.SERVERQUERY_TIMEOUT, UDPServerQueryClient.UDPServerQueryType.PlayerInfo, Address, QueryPort);
break;
case UDPServerQueryClient.UDPServerQueryType.PlayerInfo:
break;
}
}
/// <summary>
/// Create a new query state
/// </summary>
/// <param name="queryThreadProc">Query thread procedure to call</param>
/// <param name="queryTimeoutCallback">Query timeout callback procedure</param>
/// <param name="queryType">Type of query to execute</param>
internal UDPServerQueryState(ParameterizedThreadStart queryThreadProc, TimerCallback queryTimeoutCallback, UDPServerQueryClient.UDPServerQueryType queryType)
{
QueryType = queryType;
QueryThread = new Thread(queryThreadProc);
QueryClient = new UdpClient(new IPEndPoint(IPAddress.Any, 0));
QueryTimer = new Timer(queryTimeoutCallback, this, Timeout.Infinite, Timeout.Infinite);
}
/// <summary>
/// The query response timed out, close the connection since non-queryable servers are probably not accessible
/// </summary>
/// <param name="queryType">Query Type which timed out</param>
protected virtual void QueryResponseTimeout(UDPServerQueryClient.UDPServerQueryType queryType)
{
if (queryType == UDPServerQueryClient.UDPServerQueryType.Basic)
{
MasterServer.Log("[{0}] Timeout contacting queryport on {1}. Type={2}", DisplayAddress, QueryPort, queryType);
Shutdown();
OnConnectionError();
}
}
/// <summary>
/// Handler function for when the udp server query returns a response
/// </summary>
/// <param name="sender">Server query object</param>
/// <param name="response">Response type</param>
/// <param name="payload">Response packet (if successful)</param>
void HandleQueryFinished(UDPServerQueryClient sender, UDPServerQueryClient.UDPServerQueryResponse response, UDPServerQueryClient.UDPServerQueryType queryType, UDPPacket payload)
{
switch (response)
{
case UDPServerQueryClient.UDPServerQueryResponse.Success:
QueryResponseSuccess(queryType, payload);
break;
case UDPServerQueryClient.UDPServerQueryResponse.Error:
QueryResponseError(queryType);
break;
case UDPServerQueryClient.UDPServerQueryResponse.Timeout:
QueryResponseTimeout(queryType);
break;
default:
break;
}
}
/// <summary>
/// Callback from the Server object when a query response was received
/// </summary>
/// <param name="queryType">Type of query that was received</param>
public virtual void HandleQueryResponse(UDPServerQueryClient.UDPServerQueryType queryType)
{
State = ConnectionState.Established;
}
