public static DhcpInfo GetDhcpInfo(Guid networkAdapterId)
{
using (var wrapper = new DhcpWrapper())
{
DHCPCAPI_PARAMS outParameters;
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.ROUTER_ADDRESS, out outParameters) || outParameters.nBytesData != 4u)
{
return null;
}
var gatewayAddress = GetAddress(outParameters.Data);
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.DOMAIN_NAME_SERVERS, out outParameters) || !IsValidAddressByteCount((int)outParameters.nBytesData))
{
return null;
}
var dnsServerAddress = GetAddresses(outParameters.Data, (int)outParameters.nBytesData / 4).First();
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.DOMAIN_NAME, out outParameters))
{
return null;
}
var domainName = GetDomainName(outParameters.Data, (int)outParameters.nBytesData);
var result = new DhcpInfo(gatewayAddress, dnsServerAddress, domainName);
return result;
}
}
public static DhcpInfo GetDhcpInfo(Guid networkAdapterId)
{
using (var wrapper = new DhcpWrapper())
{
DHCPCAPI_PARAMS outParameters;
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.ROUTER_ADDRESS, out outParameters) || outParameters.nBytesData != 4u)
{
return(null);
}
var gatewayAddress = GetAddress(outParameters.Data);
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.DOMAIN_NAME_SERVERS, out outParameters) || !IsValidAddressByteCount((int)outParameters.nBytesData))
{
return(null);
}
var dnsServerAddress = GetAddresses(outParameters.Data, (int)outParameters.nBytesData / 4).First();
if (!wrapper.TryExecuteRequest(networkAdapterId, OPTION.DOMAIN_NAME, out outParameters))
{
return(null);
}
var domainName = GetDomainName(outParameters.Data, (int)outParameters.nBytesData);
var result = new DhcpInfo(gatewayAddress, dnsServerAddress, domainName);
return(result);
}
}
