/// <summary>Someone told us we didn't have a mapping... let's fix that.</summary>
protected override bool MappingMissing(MemBlock ip)
{
if (!base.MappingMissing(ip))
{
return(false);
}
// Easiest approach is to simply update the mapping...
DhcpServer dhcp_server = GetDhcpServer();
try {
dhcp_server.RequestLease(ip, true, AppNode.Node.Address.ToString(),
_ipop_config.AddressData.Hostname);
} catch (Exception e) {
ProtocolLog.WriteIf(IpopLog.DhcpLog, e.Message);
}
return(true);
}
/// <summary> Occassionally nodes will get a true return from a allocation
/// attempt, in order to prevent this, we reissue all dhcp requests after
/// getting "connected" to the overlay.</summary>
protected void StateChangeHandler(Node n, Node.ConnectionState state)
{
List <MemBlock> ips = null;
lock (_sync) {
if (state == Node.ConnectionState.Connected)
{
if (_connected)
{
return;
}
AppNode.Node.StateChangeEvent -= StateChangeHandler;
_connected = true;
}
else
{
return;
}
ips = new List <MemBlock>(_ip_to_ether.Keys.Count);
foreach (MemBlock ip in _ip_to_ether.Keys)
{
ips.Add(ip);
}
}
WaitCallback callback = delegate(object o) {
// Get a new Dhcp server so we get new state!
DhcpServer dhcp_server = GetDhcpServer();
foreach (MemBlock ip in ips)
{
try {
dhcp_server.RequestLease(ip, true, AppNode.Node.Address.ToString(),
_ipop_config.AddressData.Hostname);
} catch (Exception e) {
ProtocolLog.WriteIf(IpopLog.DhcpLog, e.Message);
}
}
};
ThreadPool.QueueUserWorkItem(callback, null);
}
