/// <summary>
/// shuts down the networking capabilities of netutil
/// </summary>
public void Shutdown()
{
// shut down hosts
m_state = NetUtilState.UNINITIALIZED;
m_isHost = false;
NetworkTransport.RemoveHost(m_host);
}
/// <summary>
/// handles an incoming host info message
/// </summary>
private void HandleHostInfo(int connectionId, byte[] buffer, int size)
{
NetUtilHostState state = ConstructType <NetUtilHostState>(buffer, 1, size - 1);
m_hostTime = state.time;
m_salt = state.salt;
m_state = NetUtilState.CONNECTED;
}
/// <summary>
/// attempts to connect to a similar peer
/// </summary>
/// <param name="t_ip">the address of the peer to connect to</param>
public void Connect(string t_ip, int t_port = -1)
{
byte error = 0;
if (t_port <= 0)
{
t_port = m_hostSocket;
}
m_hostId = NetworkTransport.Connect(m_host, t_ip, t_port, 0, out error);
AddConnection(m_hostId, "host");
m_state = NetUtilState.INITIALIZED;
}
/// <summary>
/// sets up the networking capabilities of netutil
/// </summary>
private void Setup(NetUtilType t_type)
{
// set up network transport
if (!NetworkTransport.IsStarted)
{
NetworkTransport.Init();
}
// set up network topology
ConnectionConfig config = new ConnectionConfig();
config.PacketSize = 1024;
config.FragmentSize = 512 - 128;
m_lowSyncChannel = config.AddChannel(QosType.Unreliable);
m_highSyncChannel = config.AddChannel(QosType.Reliable);
m_messageChannel = config.AddChannel(QosType.ReliableSequenced);
HostTopology topology = new HostTopology(config, 16);
// set up host
switch (t_type)
{
case NetUtilType.LISTENER: {
m_isHost = false;
m_host = NetworkTransport.AddHost(topology, m_clientSocket);
byte error;
NetworkTransport.SetBroadcastCredentials(m_host, m_gameId, m_majorVersion, m_minorVersion, out error);
} break;
case NetUtilType.HOST: {
m_isHost = true;
m_host = NetworkTransport.AddHost(topology, m_hostSocket);
} break;
case NetUtilType.CLIENT: {
m_isHost = false;
m_host = NetworkTransport.AddHost(topology);
} break;
}
m_functionality = t_type;
// set state bools
m_state = NetUtilState.INITIALIZED;
DebugConsole.Log("Socket opened");
}
/// <summary>
/// handles connection messages
/// </summary>
/// <param name="connectionId">connection id the message came from</param>
private void HandleConnect(int connectionId)
{
if (m_isHost)
{
if (!m_connections.ContainsKey(connectionId))
{
AddConnection(connectionId, "");
byte error;
NetUtilHostState state = new NetUtilHostState();
state.time = m_hostTime;
state.salt = ++m_salt;
SendMessage(m_host, connectionId, m_messageChannel, NetUtilMessageType.HOST_INFO, state, out error);
foreach (NetUtilObjectCreator creator in m_activeObjects.Values)
{
SendMessage(m_host, connectionId, m_messageChannel, NetUtilMessageType.CREATE_OBJECT, creator, out error);
}
m_state = NetUtilState.CONNECTED;
}
}
else
{
if (connectionId != m_hostId)
{
DebugConsole.Log("an unknown connection attempt has occured.");
}
else
{
SendMessage(NetUtilMessageType.CONNECTION_INFO, m_name);
}
}
}
