/// <summary>
/// Generates an 802.21-encoded message representing a LinkDown Event.
/// </summary>
/// <param name="srcID">The local node ID</param>
/// <param name="dstID">The destination MIHF ID</param>
/// <param name="ssid">The SSID of the disconnected network</param>
/// <param name="PoAMac">The Physical Address for the Point of Access</param>
/// <param name="reason">The reason for the disconnect</param>
/// <returns>A fully encoded, ready to be sent Message representing a LinkDown</returns>
public static Message Link_Down_Indication_802_11_MsgBuilder(ID srcID, ID dstID, String ssid, PhysicalAddress PoAMac, Link_Dn_Reason reason)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.EVENT_SERVICE, MessageID.OperationCode.INDICATION, 3);
m.MIHHeader.VersionValue = 1;
Link_Tuple_Id linkIdentifier = new Link_Tuple_Id(
new Link_Id(Link_Type.Wireless_IEEE80211, new Link_Addr(Link_Addr.Address_Type.OTHER_L2_ADDR, ssid)),
new Link_Addr(Link_Addr.Address_Type.MAC_ADDR, Utilities.PhysicalAddressToString(PoAMac)));
Link_Dn_Reason downReason = reason;
m.Payload = new Payload(srcID, dstID,
TLV_HELPERS.TLVLinkIdentifier(linkIdentifier), TLV_HELPERS.TLVLinkDnReason(downReason));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
public static byte[] TLVLinkDnReason(Link_Dn_Reason linkDnReason)
{
byte[] aux = { IntToByte((int)linkDnReason) };
return Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_DOWN_REASON_CODE, aux);
}
/// <summary>
/// The Link Down Event Class constructor.
/// </summary>
/// <param name="LinkIdentifier">The Link Identifier.</param>
/// <param name="OldAccessRouter">The Old Access Router Address.</param>
/// <param name="ReasonCode">The Reason Code, for the link down event.</param>
public Link_Down(Link_Tuple_Id LinkIdentifier, Link_Addr OldAccessRouter, Link_Dn_Reason ReasonCode)
: base(LinkIdentifier)
{
this.OldAccessRouter = OldAccessRouter;
this.ReasonCode = ReasonCode;
}
