//The below methods contain the actual client-server message-passing code.
//They are written to line up with the messaging code in Server.cs.
private void TalkToServer_FirstContact(TcpClient client, NetworkStream serverStream,
BinaryWriter serverWriter, BinaryReader serverReader)
{
//Ask the server to find a game for me.
var msg_findGame = new Networking.Messages.FindGame(clientUI.MyName,
GameID);
if (!Try(() => GameMessageBase.Write(msg_findGame, serverWriter)))
{
clientUI.SetErrorMsg("Couldn't send 'FindGame' to server");
return;
}
//Check the response.
var queueResult = TryReadMsg <Networking.Messages.SuccessfullyInQueue>(
serverReader,
"getting 'FindGame' response");
if (queueResult == null)
{
return;
}
//Store the result.
var outData = new ClientMatchmakingData((IPEndPoint)client.Client.RemoteEndPoint,
queueResult.PlayerID);
SetMatchmakingData(outData);
}
private void SetMatchmakingData(ClientMatchmakingData data)
{
try
{
using (var stream = File.OpenWrite(matchmakingDataFilePath))
using (var writer = new BinaryWriter(stream))
data.Serialize(writer);
}
catch (Exception e)
{
clientUI.SetErrorMsg("Failure writing " + matchmakingDataFilePath +
": " + e.Message);
}
}
/// <summary>
/// Reads from disk the data structure containing the current status
/// of finding a match on the server.
/// </summary>
private ClientMatchmakingData GetMatchmakingData()
{
try
{
var data = new ClientMatchmakingData();
using (var stream = File.OpenRead(matchmakingDataFilePath))
using (var reader = new BinaryReader(stream))
data.Deserialize(reader);
return(data);
}
catch (Exception e)
{
clientUI.SetErrorMsg("Failure reading " + matchmakingDataFilePath +
": " + e.Message);
return(new ClientMatchmakingData());
}
}