internal void DoSendDiscoveryRequest(
IPEndPoint endPoint,
bool useBroadcast,
NetDiscoveryRequest request,
float interval,
float timeout)
{
if (!m_netBase.m_isBound)
m_netBase.Start();
if (request == null)
{
m_netBase.LogVerbose("Creating discovery request " + m_nextRequestNumber);
request = new NetDiscoveryRequest(endPoint, m_nextRequestNumber++, useBroadcast, interval, timeout);
if (m_requests == null)
m_requests = new List<NetDiscoveryRequest>();
m_requests.Add(request);
}
string appIdent = m_netBase.m_config.ApplicationIdentifier;
NetBuffer data = new NetBuffer(appIdent.Length + 8);
// write app identifier
data.Write(appIdent);
// write netbase identifier to avoid self-discovery
data.Write(m_netBase.m_randomIdentifier);
// write request number
data.Write((ushort)request.Number);
m_netBase.LogWrite("Discovering " + endPoint.ToString() + "...");
m_netBase.QueueSingleUnreliableSystemMessage(NetSystemType.Discovery, data, endPoint, useBroadcast);
}
/// <summary>
/// Returns a NetMessage to return to application; or null if nothing
/// </summary>
internal IncomingNetMessage HandleResponse(
IncomingNetMessage message,
NetworkEndPoint endPoint
)
{
if ((m_netBase.m_enabledMessageTypes & NetMessageType.ServerDiscovered) != NetMessageType.ServerDiscovered)
{
return(null); // disabled
}
if (message.m_data == null || m_requests == null)
{
return(null);
}
ushort number = message.m_data.ReadUInt16();
// find corresponding request
NetDiscoveryRequest found = null;
foreach (NetDiscoveryRequest request in m_requests)
{
if (request.Number == number)
{
found = request;
break;
}
}
if (found == null)
{
m_netBase.LogVerbose("Received discovery response to request " + number + " - unknown/old request!");
return(null); // Timed out request or not found
}
if (found.HasDiscovered(endPoint))
{
m_netBase.LogVerbose("Received discovery response to request " + number + " - previously known response!");
return(null); // Already discovered in this request, else stored it
}
m_netBase.LogVerbose("Received discovery response to request " + number + " - passing on to app...");
IncomingNetMessage resMsg = m_netBase.CreateIncomingMessage();
resMsg.m_msgType = NetMessageType.ServerDiscovered;
// write sender, assume ipv4
resMsg.m_data.Write(endPoint);
return(resMsg);
}
internal void DoSendDiscoveryRequest(
NetworkEndPoint endPoint,
bool useBroadcast,
NetDiscoveryRequest request,
float interval,
float timeout)
{
if (!m_netBase.m_isBound)
{
m_netBase.Start();
}
m_netBase.LogWrite("Discovery request to " + endPoint);
if (request == null)
{
m_netBase.LogVerbose("Creating discovery request " + m_nextRequestNumber);
request = new NetDiscoveryRequest(endPoint, m_nextRequestNumber++, useBroadcast, interval, timeout);
if (m_requests == null)
{
m_requests = new List <NetDiscoveryRequest>();
}
m_requests.Add(request);
}
string appIdent = m_netBase.m_config.ApplicationIdentifier;
NetBuffer data = new NetBuffer(appIdent.Length + 8);
// write app identifier
data.Write(appIdent);
// write netbase identifier to avoid self-discovery
data.Write(m_netBase.m_localRndSignature);
// write request number
data.Write((ushort)request.Number);
m_netBase.LogWrite("Discovering " + endPoint.ToString() + "...");
m_netBase.QueueSingleUnreliableSystemMessage(NetSystemType.Discovery, data, endPoint, useBroadcast);
}
