internal static IEnumerable <DhcpServerOption> GetAllOptions(DhcpServer Server)
{
IntPtr optionsPtr;
var result = Api.DhcpGetAllOptions(Server.ipAddress.ToString(), 0, out optionsPtr);
if (result != DhcpErrors.SUCCESS)
{
throw new DhcpServerException("DhcpGetAllOptions", result);
}
try
{
var bytes = new byte[64];
Marshal.Copy(optionsPtr, bytes, 0, 64);
var options = (DHCP_ALL_OPTIONS)Marshal.PtrToStructure(optionsPtr, typeof(DHCP_ALL_OPTIONS));
foreach (var option in options.NonVendorOptions.Options)
{
yield return(DhcpServerOption.FromNative(Server, option, null, null));
}
foreach (var option in options.VendorOptions)
{
yield return(DhcpServerOption.FromNative(Server, option));
}
}
finally
{
Api.DhcpRpcFreeMemory(optionsPtr);
}
}
private static DhcpServerOption GetOptionV0(DhcpServer Server, int OptionId)
{
IntPtr optionPtr;
var result = Api.DhcpGetOptionInfo(Server.ipAddress.ToString(), OptionId, out optionPtr);
if (result != DhcpErrors.SUCCESS)
{
throw new DhcpServerException("DhcpGetOptionInfo", result);
}
try
{
var option = (DHCP_OPTION)Marshal.PtrToStructure(optionPtr, typeof(DHCP_OPTION));
return(DhcpServerOption.FromNative(Server, option, null, null));
}
finally
{
Api.DhcpRpcFreeMemory(optionPtr);
}
}
private static DhcpServerOption GetOptionV5(DhcpServer Server, int OptionId, string ClassName, string VendorName)
{
IntPtr optionPtr;
uint flags = VendorName == null ? 0 : Constants.DHCP_FLAGS_OPTION_IS_VENDOR;
var result = Api.DhcpGetOptionInfoV5(Server.ipAddress.ToString(), flags, OptionId, ClassName, VendorName, out optionPtr);
if (result != DhcpErrors.SUCCESS)
{
throw new DhcpServerException("DhcpGetOptionInfoV5", result);
}
try
{
var option = (DHCP_OPTION)Marshal.PtrToStructure(optionPtr, typeof(DHCP_OPTION));
return(DhcpServerOption.FromNative(Server, option, ClassName, VendorName));
}
finally
{
Api.DhcpRpcFreeMemory(optionPtr);
}
}
private static IEnumerable <DhcpServerOption> EnumOptionsV5(DhcpServer Server, string ClassName, string VendorName)
{
IntPtr enumInfoPtr;
int elementsRead, elementsTotal;
IntPtr resumeHandle = IntPtr.Zero;
uint flags = VendorName == null ? 0 : Constants.DHCP_FLAGS_OPTION_IS_VENDOR;
var result = Api.DhcpEnumOptionsV5(Server.ipAddress.ToString(), flags, ClassName, VendorName, ref resumeHandle, 0xFFFFFFFF, out enumInfoPtr, out elementsRead, out elementsTotal);
if (result == DhcpErrors.ERROR_NO_MORE_ITEMS || result == DhcpErrors.EPT_S_NOT_REGISTERED)
{
yield break;
}
if (result != DhcpErrors.SUCCESS && result != DhcpErrors.ERROR_MORE_DATA)
{
throw new DhcpServerException("DhcpEnumOptions", result);
}
if (elementsRead == 0)
{
yield break;
}
try
{
var enumInfo = (DHCP_OPTION_ARRAY)Marshal.PtrToStructure(enumInfoPtr, typeof(DHCP_OPTION_ARRAY));
foreach (var option in enumInfo.Options)
{
yield return(DhcpServerOption.FromNative(Server, option, VendorName, ClassName));
}
}
finally
{
Api.DhcpRpcFreeMemory(enumInfoPtr);
}
}
/// <summary> /// Queries the DHCP Server for the specified OptionId from the Default options /// </summary> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetDefaultOption(DhcpServerOptionIds optionId) => DhcpServerOption.GetDefaultOption(Server, (int)optionId);
/// <summary> /// Queries the DHCP Server for the specified OptionId from the Default options /// </summary> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetDefaultOption(int optionId) => DhcpServerOption.GetDefaultOption(Server, optionId);
public IEnumerable <IDhcpServerOption> GetVendorOptions(string vendorName) => DhcpServerOption.EnumVendorOptions(Server, vendorName);
public IEnumerable <IDhcpServerOption> GetUserOptions(string className) => DhcpServerOption.EnumUserOptions(Server, className);
/// <summary>
/// Queries the DHCP Server for the specified OptionId from the Default options
/// </summary>
/// <param name="OptionId">The identifier for the option to retrieve</param>
/// <returns>A <see cref="DhcpServerOption"/>.</returns>
public DhcpServerOption GetOption(int OptionId)
{
return(DhcpServerOption.GetDefaultOption(this, OptionId));
}
private DhcpServerOption GetOption()
{
return(DhcpServerOption.GetOption(this.Server, this.OptionId, this.ClassName, this.VendorName));
}
/// <summary> /// Queries the DHCP Server for the specified OptionId within a Vendor Class /// </summary> /// <param name="vendorName">The name of the Vendor Class to retrieve the Option from</param> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetVendorOption(string vendorName, int optionId) => DhcpServerOption.GetVendorOption(Server, vendorName, optionId);
/// <summary>
/// Queries the DHCP Server for the specified OptionId Value from the Default options
/// </summary>
/// <param name="Option">The associated option to retrieve the option value for</param>
/// <returns>A <see cref="DhcpServerOptionValue"/>.</returns>
public DhcpServerOptionValue GetOptionValue(DhcpServerOption Option)
{
return(Option.GetGlobalValue());
}
/// <summary>
/// Queries the DHCP Server for the specified OptionId within a User Class
/// </summary>
/// <param name="ClassName">The name of the User Class to retrieve the Option from</param>
/// <param name="OptionId">The identifier for the option to retrieve</param>
/// <returns>A <see cref="DhcpServerOption"/>.</returns>
public DhcpServerOption GetUserOption(string ClassName, int OptionId)
{
return(DhcpServerOption.GetUserOption(this, OptionId, ClassName));
}
/// <summary>
/// Queries the DHCP Server for the specified OptionId within a Vendor Class
/// </summary>
/// <param name="VendorName">The name of the Vendor Class to retrieve the Option from</param>
/// <param name="OptionId">The identifier for the option to retrieve</param>
/// <returns>A <see cref="DhcpServerOption"/>.</returns>
public DhcpServerOption GetVendorOption(string VendorName, int OptionId)
{
return(DhcpServerOption.GetVendorOption(this, OptionId, VendorName));
}
/// <summary> /// Queries the DHCP Server for the specified OptionId within a User Class /// </summary> /// <param name="className">The name of the User Class to retrieve the Option from</param> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetUserOption(string className, int optionId) => DhcpServerOption.GetUserOption(Server, className, optionId);
/// <summary> /// Queries the DHCP Server for the specified OptionId within a User Class /// </summary> /// <param name="className">The name of the User Class to retrieve the Option from</param> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetUserOption(string className, DhcpServerOptionIds optionId) => DhcpServerOption.GetUserOption(Server, className, (int)optionId);
public IEnumerator <IDhcpServerOption> GetEnumerator() => DhcpServerOption.GetAllOptions(Server).GetEnumerator();
/// <summary> /// Queries the DHCP Server for the specified OptionId within a Vendor Class /// </summary> /// <param name="vendorName">The name of the Vendor Class to retrieve the Option from</param> /// <param name="optionId">The identifier for the option to retrieve</param> /// <returns>A <see cref="IDhcpServerOption"/>.</returns> public IDhcpServerOption GetVendorOption(string vendorName, DhcpServerOptionIds optionId) => DhcpServerOption.GetVendorOption(Server, vendorName, (int)optionId);
public IEnumerable <IDhcpServerOption> GetDefaultOptions() => DhcpServerOption.EnumDefaultOptions(Server);
/// <summary>
/// Retrieves the Option Value assoicated with the Option and Scope
/// </summary>
/// <param name="Option">The associated option to retrieve the option value for</param>
/// <returns>A <see cref="DhcpServerOptionValue"/>.</returns>
public DhcpServerOptionValue GetOptionValue(DhcpServerOption Option)
{
return(Option.GetScopeValue(this));
}
private DhcpServerOption GetOption() => DhcpServerOption.GetOption(Server, OptionId, ClassName, VendorName);