/// <summary>
/// Invoked when a new peer disconnects.
/// </summary>
/// <param name="peer">Peers connection.</param>
private void ProcessDisconnectedPeer(Connection peer)
{
GameClientPeer peerMetaData = peer.MetaData as GameClientPeer;
if (peerMetaData == null)
{
return;
}
peerMetaData.Disconnected();
m_disconnectedPeers.Add(peer);
}
/// <summary>
/// Connects to superpeers that are required for the new zone.
/// </summary>
/// <param name="zone">Zone that player is moving to.</param>
private void ConnectToNewSuperPeers(Zone zone)
{
foreach (ZoneSuperPeer peer in zone.SuperPeers)
{
bool connected = false;
// Are we connected to the peer hosting this super peer?
foreach (ClientToSuperPeerConnection c in m_superPeerConnections)
{
if (c.ClientID == peer.ClientID)
{
connected = true;
break;
}
}
if (connected == false)
{
Logger.Info("Connecting to peer hosting SuperPeer #{0} for zone #{1} on {2}:{3}.", LoggerVerboseLevel.High, peer.ID, peer.ZoneID, peer.ClientIPAddress, peer.ClientListenPort);
// Connect to super peer!
Connection connection = new Connection();
connection.ConnectOverTime(peer.ClientIPAddress, (ushort)peer.ClientListenPort);
m_superPeerConnections.Add(new ClientToSuperPeerConnection(this, connection, peer.ClientID));
}
}
}
/// <summary>
/// Processes a packet that has been recieved from the arbitrator.
/// </summary>
/// <param name="peer">The client or peer we recieved the packet from.</param>
/// <param name="packet">Packet that we recieved.</param>
private void ProcessArbitratorIncomingPacket(Connection peer, Packet packet)
{
// -----------------------------------------------------------------
// We've been sent an updated version of the zone grid.
// -----------------------------------------------------------------
if (packet is ZoneGridPacket)
{
ZoneGridPacket specificPacket = packet as ZoneGridPacket;
m_zoneGrid.FromPacket(specificPacket);
// Invoke events for all super peers who have gained control of zones.
foreach (ZoneSuperPeer p in m_zoneGrid.GainedSuperPeers)
{
Zone zone = m_zoneGrid.GetZoneByID(p.ZoneID);
SuperPeerGainedControl(zone, p);
}
// Invoke events for all super peers who have lost control of zones.
foreach (ZoneSuperPeer p in m_zoneGrid.LostSuperPeers)
{
Zone zone = m_zoneGrid.GetZoneByID(p.ZoneID);
SuperPeerLostControl(zone, p);
}
Logger.Info("Recieved updated zone grid from arbitrator.", LoggerVerboseLevel.High);
}
// -----------------------------------------------------------------
// We've been sent our persistent state information.
// -----------------------------------------------------------------
else if (packet is UserAccountStatePacket)
{
UserAccountStatePacket specificPacket = packet as UserAccountStatePacket;
m_account = specificPacket.Account;
m_clientID = specificPacket.ClientID;
if (m_threadNameSet == false)
{
System.Threading.Thread.CurrentThread.Name = "Client #" + m_clientID;
m_threadNameSet = true;
}
Logger.Info("Recieved updated account information from arbitrator.", LoggerVerboseLevel.High);
}
// -----------------------------------------------------------------
// Information sent to one of our super peers about a client?
// -----------------------------------------------------------------
else if ((packet as SuperPeerClientPacket) != null)
{
SuperPeerClientPacket specificPacket = packet as SuperPeerClientPacket;
bool found = false;
foreach (Connection connection in m_listenConnection.Peers)
{
if (connection.MetaData != null)
{
GameClientPeer p = ((GameClientPeer)connection.MetaData);
foreach (SuperPeerToClientConnection conn in p.SuperPeerConnections) // ERROR IS HERE: SuperPeerConnections is filled with inactive ones that are recieving the packets too :(
{
if (conn.SuperPeer.ID == specificPacket.SuperPeerID &&
conn.ClientID == specificPacket.ClientID)
{
conn.RecievedArbitratorPacket(specificPacket);
found = true;
}
}
}
}
if (found == false)
{
throw new InvalidOperationException("Failed to find super peer to direct arbitrator packet to.");
}
}
// -----------------------------------------------------------------
// Information sent to one of our super peers?
// -----------------------------------------------------------------
else if ((packet as SuperPeerPacket) != null)
{
SuperPeerPacket specificPacket = packet as SuperPeerPacket;
SuperPeer superpeer = FindSuperPeerByID(specificPacket.SuperPeerID);
if (superpeer != null)
{
superpeer.ArbitratorRecievedPacket(m_arbitratorConnection, specificPacket);
}
else
{
throw new InvalidOperationException("Failed to find super peer to direct arbitrator packet to.");
}
}
}
/// <summary>
/// Invoked when a new peer connects.
/// </summary>
/// <param name="peer">Peers connection.</param>
private void ProcessConnectedPeer(Connection peer)
{
GameClientPeer peerMetaData = new GameClientPeer(this, peer);
peerMetaData.Connected();
peer.MetaData = peerMetaData;
}
/// <summary>
/// Sets up the connection to an arbitrator to recieve information about the game world.
/// </summary>
/// <returns>Returns true if successful, else false.</returns>
private async Task<bool> SetupArbitratorConnection()
{
bool result = false;
if (m_arbitratorConnection == null)
{
Logger.Info("Attempting to connect to arbitrator on {0}:{1} ...", LoggerVerboseLevel.High, m_arbitratorHost, m_arbitratorPort);
m_arbitratorConnection = new Connection();
result = await m_arbitratorConnection.ConnectAsync(m_arbitratorHost, m_arbitratorPort);
}
else
{
Logger.Error("Lost connection to arbitrator, attempting to setup connection again ...", LoggerVerboseLevel.Normal);
result = await m_arbitratorConnection.ReconnectAsync();
}
if (result == false)
{
Logger.Error("Failed to connect to arbitrator on {0}:{1}", LoggerVerboseLevel.Normal, m_arbitratorHost, m_arbitratorPort);
}
else
{
Logger.Info("Successfully connected to arbitrator.", LoggerVerboseLevel.High);
}
return result;
}
/// <summary>
/// Sets up the listen connection to accept incoming connections from peers.
/// </summary>
/// <returns>Returns true if successful, else false.</returns>
private async Task<bool> SetupListenConnection()
{
bool result = false;
if (m_listenConnection == null)
{
Logger.Info("Attempting to listen on {0}:{1} ...", LoggerVerboseLevel.High, LISTEN_HOST, LISTEN_PORT);
m_listenConnection = new Connection();
result = await m_listenConnection.ListenAsync(LISTEN_PORT, LISTEN_HOST);
}
else
{
Logger.Error("Lost listening connection, attempting to setup connection again ...", LoggerVerboseLevel.Normal);
result = await m_listenConnection.RelistenAsync();
}
if (result == false)
{
Logger.Error("Failed to listen on {0}:{1}", LoggerVerboseLevel.Normal, LISTEN_HOST, LISTEN_PORT);
}
else
{
Logger.Info("Successfully began listening.", LoggerVerboseLevel.High);
}
return result;
}
private int m_zoneID = 0; // Which zone we are currently in.
#endregion Fields
#region Constructors
/// <summary>
/// Constructs a new instance of this class.
/// </summary>
/// <param name="arbitrator">Arbitrator that this peer is connected to.</param>
/// <param name="peer_connection">Connection through which this peer is connected.</param>
public ArbitratorPeer(ArbitratorService arbitrator, Connection peer_connection)
{
m_arbitrator = arbitrator;
m_connection = peer_connection;
}
/// <summary>
/// Initializes this arbitrator, making initial connections to database and getting ready
/// to begin accepting connections.
/// </summary>
/// <returns>True if successful, otherwise false. If false is returned then the Run/Deinit methods are never called.</returns>
public bool Initialize()
{
Logger.Info("Begining setup of game client ...", LoggerVerboseLevel.High);
m_arbitratorConnection = null;
// Setup connection.
SetupArbitratorConnection().Wait();
if (m_arbitratorConnection == null || m_arbitratorConnection.Connected == false)
{
Logger.Error("Failed to setup game client, could not connect to arbitrator.", LoggerVerboseLevel.Normal);
return false;
}
// Setup listen connection.
SetupListenConnection().Wait();
if (m_listenConnection == null || m_listenConnection.Listening == false)
{
Logger.Error("Failed to setup game client, could not setup listen connection.", LoggerVerboseLevel.Normal);
return false;
}
Logger.Info("Setup game client successfully.", LoggerVerboseLevel.High);
return true;
}
/// <summary>
/// Constructs a new instance of this class.
/// </summary>
/// <param name="gameClient">Game client hosting this connection.</param>
/// <param name="service">Superpeer a client is connected to..</param>
/// <param name="connection">Connection used to communicate with the super peer.</param>
public SuperPeerToClientConnection(GameClientService gameClient, SuperPeer superpeer, Connection connection)
{
m_superpeer = superpeer;
m_connection = connection;
m_gameClient = gameClient;
}
/// <summary>
/// Constructs a new instance of this class.
/// </summary>
/// <param name="client">Game client that this peer is connected to.</param>
/// <param name="peer_connection">Connection through which this peer is connected.</param>
public GameClientPeer(GameClientService client, Connection peer_connection)
{
m_gameClient = client;
m_connection = peer_connection;
}
/// <summary>
/// Constructs a new instance of this class.
/// </summary>
/// <param name="service">Game client thats hosting this connection.</param>
/// <param name="connection">Connection used to communicate with the super peer.</param>
/// <param name="id">Client ID of superpeer on the other end of this connection.</param>
public ClientToSuperPeerConnection(GameClientService service, Connection connection, int id)
{
m_service = service;
m_connection = connection;
m_clientID = id;
}
/// <summary>
/// Initializes this arbitrator, making initial connections to database and getting ready
/// to begin accepting connections.
/// </summary>
/// <returns>True if successful, otherwise false. If false is returned then the Run/Deinit methods are never called.</returns>
public bool Initialize()
{
Logger.Info("Begining setup of arbitrator server ...", LoggerVerboseLevel.High);
m_listenConnection = null;
m_databaseConnection = null;
// Setup database connection.
SetupDBConnection().Wait();
if (m_databaseConnection == null || m_databaseConnection.Connected == false)
{
Logger.Error("Failed to setup arbitrator, could not initialize database connection.", LoggerVerboseLevel.Normal);
return false;
}
// Setup listening connection.
SetupConnection().Wait();
if (m_listenConnection == null || m_listenConnection.Listening == false)
{
Logger.Error("Failed to setup arbitrator, could not initialize listen connection.", LoggerVerboseLevel.Normal);
return false;
}
// Register arbitrator in database.
RegisterArbitrator();
Logger.Info("Setup arbitrator server successfully.", LoggerVerboseLevel.High);
return true;
}
/// <summary>
/// Invoked when a new peer disconnects.
/// </summary>
/// <param name="peer">Peers connection.</param>
private void ProcessDisconnectedPeer(Connection peer)
{
ArbitratorPeer peerMetaData = peer.MetaData as ArbitratorPeer;
if (peerMetaData == null)
{
return;
}
peerMetaData.Disconnected();
}
/// <summary>
/// Invoked when a new peer connects.
/// </summary>
/// <param name="peer">Peers connection.</param>
private void ProcessConnectedPeer(Connection peer)
{
ArbitratorPeer peerMetaData = new ArbitratorPeer(this, peer);
peerMetaData.Connected();
peer.MetaData = peerMetaData;
}
/// <summary>
/// Invoked when an arbitrator sends a packet to this super peer.
/// </summary>
public void ArbitratorRecievedPacket(Connection connection, SuperPeerPacket packet)
{
}
