/// <summary>
/// Method to pull data from an A3 server
/// </summary>
/// <param name="host">Host name/IP of the A3 server</param>
/// <param name="port">Port of the A3 server steam query point (+1 game port)</param>
/// <returns>Filled in <see cref="ServerInfo"/> object</returns>
public ServerInfo GetServerInfo(string host, int port) {
Stopwatch retry = new Stopwatch();
retry.Start();
while (retry.ElapsedMilliseconds < Properties.Settings.Default.retryTimeLimit) {
try {
using (UdpClient client = new UdpClient(56800)) {
IPAddress[] hostEntry = Dns.GetHostAddresses(host);
IPEndPoint remoteIpEndpoint = null;
if (hostEntry.Length > 0) {
remoteIpEndpoint = new IPEndPoint(hostEntry[0], port);
}
else {
remoteIpEndpoint = new IPEndPoint(IPAddress.Parse(host), port);
}
client.Client.ReceiveTimeout = 20000;
client.Connect(remoteIpEndpoint);
//Server Info
//request general info
client.Send(REQUEST_INFO, REQUEST_INFO.Length);
Stopwatch ping = new Stopwatch();
ping.Start();
byte[] response = client.Receive(ref remoteIpEndpoint);
ping.Stop();
ServerInfo serverInfo = new ServerInfo(response);
serverInfo.Ping = ping.ElapsedMilliseconds;
//get player info
serverInfo.AddPlayers(GetChallengeResponse(PLAYER_BYTE, client, remoteIpEndpoint));
return serverInfo;
}
} catch (Exception e) {
_logger.Warn("Trouble connecting to the server: ", e);
if (retry.ElapsedMilliseconds > Properties.Settings.Default.retryTimeLimit) {
throw new NoServerInfoException("Trouble connecting to the server");
} else {
System.Threading.Thread.Sleep(Properties.Settings.Default.pollRate);
}
}
}
return null;
}
/// <summary>
/// Helper method to update <see cref="Player"/> data in the database
/// </summary>
/// <param name="playerDAO">DAO for <see cref="Player"/>s</param>
/// <param name="session">The current game <see cref="Session"/></param>
/// <param name="serverInfo">The current <see cref="ServerInfo"/></param>
/// <param name="missionSession">The current <see cref="MissionSession"/></param>
/// <returns>The current set of <see cref="PlayerSession"/>s</returns>
private ISet<PlayerSession> UpdatePlayerData(PlayerDAO playerDAO, Session session, ServerInfo serverInfo, MissionSession missionSession) {
ISet<PlayerSession> playerSessions = playerDAO.GetOrCreatePlayerSessions(serverInfo.Players, session);
foreach (PlayerSession playerSession in playerSessions) {
playerSession.Updated = true;
playerSession.Length += (Settings.Default.pollRate / 1000);
if (playerSession.Played == false && CheckPlayedThreshold(playerSession.Length)) {
playerSession.Played = true;
}
}
playerDAO.UpdatePlayerSessions(playerSessions);
return playerSessions;
}
/// <summary>
/// Helper method to update <see cref="Mission"/> data in the database
/// </summary>
/// <param name="missionDAO">DAO for <see cref="Mission"/>s</param>
/// <param name="session">The current game <see cref="Session"/></param>
/// <param name="serverInfo">The current <see cref="ServerInfo"/></param>
/// <param name="missionCount">The number of missions played</param>
/// <returns>The current <see cref="MissionSession"/></returns>
private MissionSession UpdateMissionData(MissionDAO missionDAO, Session session, ServerInfo serverInfo, ref int missionCount) {
MissionSession missionSession = missionDAO.GetOrCreateMissionSession(serverInfo.MapName, serverInfo.Mission, session);
missionSession.Updated = true;
missionSession.Length += (Settings.Default.pollRate / 1000);
if (missionSession.Played == false && CheckPlayedThreshold(missionSession.Length)) {
missionSession.Played = true;
missionCount++;
}
missionDAO.UpdateMissionSession(missionSession);
return missionSession;
}
/// <summary>
/// Helper method to update <see cref="Session"/> data in the database
/// </summary>
/// <param name="sessionDAO">DAO for <see cref="Session"/>s</param>
/// <param name="session">The current game <see cref="Session"/></param>
/// <param name="serverInfo">The current <see cref="ServerInfo"/></param>
private void UpdateSessionData(SessionDAO sessionDAO, Session session, ServerInfo serverInfo) {
bool updateSession = false;
if (session.MaxPing < serverInfo.Ping) {
session.MaxPing = serverInfo.Ping;
updateSession = true;
} else if (session.MinPing > serverInfo.Ping) {
session.MinPing = serverInfo.Ping;
updateSession = true;
}
if (session.MaxPlayers < serverInfo.Players.Count) {
session.MaxPlayers = serverInfo.Players.Count;
updateSession = true;
}
if (updateSession) {
sessionDAO.UpdateSession(session);
}
}
