/// <summary>
/// Initializes a new instance of the <see cref="RouterOption" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The buffer.</param>
/// <param name="optionLength">The offset.</param>
public RouterOption(byte[] buffer, int offset, int optionLength) : base(DhcpV4OptionType.Router)
{
Routers = new List <IPAddress>();
for (int i = 0; i < optionLength; i += 4)
{
if (offset + i + 4 < buffer.Length)
{
Routers.Add(IPPacket.GetIPAddress(AddressFamily.InterNetwork, offset + i, buffer));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ServerIdOption" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The buffer.</param>
public ServerIdOption(byte[] buffer, int offset) : base(DhcpV4OptionType.DHCPServerId)
{
ServerId = offset + IPv4Fields.AddressLength < buffer.Length ? IPPacket.GetIPAddress(AddressFamily.InterNetwork, offset, buffer) : IPAddress.Any;
}
/// <summary>
/// Initializes a new instance of the <see cref="SubnetMaskOption" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The offset.</param>
public SubnetMaskOption(byte[] buffer, int offset) : base(DhcpV4OptionType.SubnetMask)
{
SubnetMask = offset + IPv4Fields.AddressLength < buffer.Length ? IPPacket.GetIPAddress(AddressFamily.InterNetwork, offset, buffer) : IPAddress.Any;
}
/// <summary>
/// Initializes a new instance of the <see cref="BroadcastAddressOption" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The offset.</param>
public BroadcastAddressOption(byte[] buffer, int offset) : base(DhcpV4OptionType.BroadcastAddress)
{
BroadcastAddress = offset + IPv4Fields.AddressLength < buffer.Length ? IPPacket.GetIPAddress(AddressFamily.InterNetwork, offset, buffer) : IPAddress.Any;
}
/// <summary>
/// Initializes a new instance of the <see cref="AddressRequestOption" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The offset.</param>
public AddressRequestOption(byte[] buffer, int offset) : base(DhcpV4OptionType.AddressRequest)
{
RequestedIP = offset + IPv4Fields.AddressLength < buffer.Length ? IPPacket.GetIPAddress(AddressFamily.InterNetwork, offset, buffer) : IPAddress.Any;
}