/// <summary> /// This method is called to handle a message containing a Link_Action_Request, and sets it to be called on a timer according to the delay parameter /// </summary> /// <param name="m">The Link_Action_Request message object</param> public static void HandleCommandLinkActions(Message m) { Payload.TLVIterator it = m.Payload.GetTLVIterator(); it.Next(); //srcID it.Next(); //dstID it.Next(); //eventlist int delay = MIHDeserializer.DeserializeTimeInterval(it.Next()); Timer t = new Timer(LinkActionCallback, m, delay, Timeout.Infinite); }
/// <summary> /// This method is called to handle a message containing a Link_Capability_Discover, returning to the MIHF the appropriate response. /// </summary> /// <param name="m">The received Link_Capability_Discover message object</param> public static void HandleCapabilityDiscover(Message m) { Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); Program.toMihf.Send(ResponseBuilders.Link_Capability_Discover_Response_Builder(dstID, srcID, STATUS.SUCCESS, Capabilities.CapabilitiesHandler.SupportedEventList, Capabilities.CapabilitiesHandler.SupportedCommandsList).ByteValue); }
public static void LinkActionCallback(Object stateInfo) { Message m = (Message)stateInfo; ConnectionHelper ch = Program.toMihf; ushort transactionID = m.MIHHeader.TransactionID; Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); Link_Action_Request lar = new Link_Action_Request(MIHDeserializer.DeserializeLinkAction(it.Next()), MIHDeserializer.DeserializeTimeInterval(it.Next()), MIHDeserializer.DeserializePoA(it.Next())); Link_Action_Response laresp = new Link_Action_Response(); laresp.Status = STATUS.UNSPECIFIED_FAILURE; laresp.Result = Link_Ac_Result.INCAPABLE; NativeWifi.WlanClient.WlanInterface iface = null; try { iface = Information.GenericInfo.WlanInterfaceInstance; } catch (Exception e) { /*nothing*/ } switch (lar.LinkAction.LinkAcType) { case Link_Ac_Type.LINK_DISCONNECT: ActionsInterface.Action_Disconnect(ref laresp, ref iface); break; case Link_Ac_Type.NONE: Console.WriteLine("No action performed."); laresp.Status = STATUS.SUCCESS; laresp.Result = Link_Ac_Result.SUCCESS; break; case Link_Ac_Type.LINK_POWER_DOWN: ActionsInterface.Action_Power_Down(ref laresp, ref iface); break; case Link_Ac_Type.LINK_POWER_UP: ActionsInterface.Action_Power_Up(ref laresp, ref iface); break; default: throw new InvalidOperationException("Unsupported Operation"); } laresp.ScanResults = new List <Link_Scan_Rsp>(); if (lar.LinkAction.LinkAcAttr.Link_Scan) { ActionsInterface.Action_Scan(laresp, iface, m);//Message is sent inside this branch, after the scan is complete. } else { ch.Send(ResponseBuilders.Link_Action_Response_Builder(srcID, dstID, transactionID, laresp).ByteValue); } }
/// <summary> /// This method is called to handle a Threshold configuration request message /// </summary> /// <param name="m">The serialized Config_Thresholds message</param> public static void HandleConfigThresholds(Message m) { ConnectionHelper ch = Program.toMihf; ushort transactionID = m.MIHHeader.TransactionID; Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); List <Link_Cfg_Param> lcparams = MIHDeserializer.DeserializeLinkCfgParamList(it.Next()); List <Link_Cfg_Status> lcstatus = new List <Link_Cfg_Status>(); foreach (Link_Cfg_Param param in lcparams) { if (param.Timer_Interval > 0 && param.Th_Action != TH_Action.CANCEL_THRESHOLD) { Reports.TimedReports.Add(new TimedReport(param.Link_Param_Type.AbsoluteType, param.Timer_Interval)); } switch (param.Th_Action) { case TH_Action.ONE_SHOT_THRESHOLD: foreach (Threshold t in param.ThresholdList) { try { Reports.OneShotThresholds.Add(new ActiveThreshold(t, param.Link_Param_Type.AbsoluteType)); lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, true)); } catch (Exception e) { lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, false)); } } break; case TH_Action.NORMAL_THRESHOLD: foreach (Threshold t in param.ThresholdList) { try { Reports.ActiveThresholds.Add(new ActiveThreshold(t, param.Link_Param_Type.AbsoluteType)); lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, true)); } catch (Exception e) { lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, false)); } } break; case TH_Action.CANCEL_THRESHOLD: Reports.Cancel(param); //TODO MORE break; } } ch.Send(ResponseBuilders.Configure_Thresholds_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID, new Link_Configure_Thresholds_Confirm(STATUS.SUCCESS, lcstatus)).ByteValue); }
/// <summary> /// This method is called to handle an unsubscribe request message /// </summary> /// <param name="m">The serialized unsubscribe request message</param> public static void HandleUnsubscribe(Message m) { ConnectionHelper ch = Program.toMihf; ushort transactionID = m.MIHHeader.TransactionID; Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); Link_Event_Unsubscribe_Request leur = new Link_Event_Unsubscribe_Request(MIHDeserializer.DeserializeLinkEventList(it.Next())); Subscriptions.Unsubscribe(leur.EventList); Link_Event_Unsubscribe_Confirm leuc = new Link_Event_Unsubscribe_Confirm(STATUS.SUCCESS, leur.EventList); ch.Send(ResponseBuilders.Event_Unsubscribe_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID, leuc).ByteValue); }
/// <summary> /// To be called when a requested scan was complete. This method sends all pending Link_Action_Responses that were waiting for a scan result. /// </summary> public static void FinishScanAction() { List <Link_Scan_Rsp> scanResults = new List <Link_Scan_Rsp>(); foreach (NativeWifi.Wlan.WlanBssEntry entry in Information.GenericInfo.WlanInterfaceInstance.Connections) { PhysicalAddress pa = new PhysicalAddress(entry.dot11Bssid); scanResults.Add(new Link_Scan_Rsp(new Link_Addr(Link_Addr.Address_Type.MAC_ADDR, Utilities.PhysicalAddressToString(pa)), new OctetString(new String(Encoding.ASCII.GetChars(entry.dot11Ssid.SSID))), (ushort)entry.linkQuality)); } foreach (Message m in Information.MiscData.PendingLinkActionResponses.Keys) { Link_Action_Response laresp; Information.MiscData.PendingLinkActionResponses.TryGetValue(m, out laresp); laresp.ScanResults = scanResults; Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); Program.toMihf.Send(ResponseBuilders.Link_Action_Response_Builder(srcID, dstID, m.MIHHeader.TransactionID, laresp).ByteValue); } Information.MiscData.PendingLinkActionResponses.Clear(); }
/// <summary> /// This method is called to handle a Get_Parameters request /// </summary> /// <param name="m">The serialized Get_Parameters_Request message.</param> public static void HandleGetParameters(Message m) { ConnectionHelper ch = Program.toMihf; ushort transactionID = m.MIHHeader.TransactionID; Payload.TLVIterator it = m.Payload.GetTLVIterator(); ID srcID = new ID(new OctetString(it.Next().Value)); ID dstID = new ID(new OctetString(it.Next().Value)); Link_Get_Parameters_Request lgpr = new Link_Get_Parameters_Request(MIHDeserializer.DeserializeLinkParamRequest(it.Next()), new System.Collections.BitArray(it.Next().Value.Reverse().ToArray()), new System.Collections.BitArray(it.Next().Value.Reverse().ToArray())); Link_Get_Parameters_Confirm lgpc = new Link_Get_Parameters_Confirm(); try { lgpc.LinkParametersStatusList = new List <Link_Param>(lgpr.LinkParametersRequest.Count); lgpc.LinkStatesRspList = new List <Link_Get_Parameters_Confirm.Link_States_Rsp>(); lgpc.LinkDescRspList = new List <Link_Get_Parameters_Confirm.Link_Desc_Rsp>(); foreach (Link_Param_Type lpt in lgpr.LinkParametersRequest) { switch (lpt.AbsoluteType) { case Link_Param_Abs_Type.P80211_RSSI: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_802_11.GetRSSI_0)); break; case Link_Param_Abs_Type.GEN_Data_Rate: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.DataRate_0)); break; case Link_Param_Abs_Type.GEN_Sig_Strenth: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.SignalStrength_1)); break; case Link_Param_Abs_Type.GEN_Packet_Error_Rate: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.PacketErrorRate_4)); break; } } //-------LinkStates if (lgpr.LinkStatesRequest[0]) //OP_MODE { lgpc.LinkStatesRspList.Add(new Link_Get_Parameters_Confirm.Link_States_Rsp(Link_Get_Parameters_Confirm.Link_States_Rsp.Type.OP_MODE, (ushort)GenericInfo.WlanInterfaceInstance.OP_Mode_802_21)); } if (lgpr.LinkStatesRequest[1]) { lgpc.LinkStatesRspList.Add(new Link_Get_Parameters_Confirm.Link_States_Rsp(Link_Get_Parameters_Confirm.Link_States_Rsp.Type.CHANNEL_ID, (ushort)GenericInfo.WlanInterfaceInstance.Channel)); } //----------- //-------LinkDesc if (lgpr.LinkDescriptorsRequest[0]) { lgpc.LinkDescRspList.Add(new Link_Get_Parameters_Confirm.Link_Desc_Rsp(Link_Get_Parameters_Confirm.Link_Desc_Rsp.Type.NUM_CoS, 0)); //TODO (not supported) } if (lgpr.LinkDescriptorsRequest[1]) { lgpc.LinkDescRspList.Add(new Link_Get_Parameters_Confirm.Link_Desc_Rsp(Link_Get_Parameters_Confirm.Link_Desc_Rsp.Type.NUM_QUEUE, 1)); //TODO (not supported) } //----------- lgpc.Status = STATUS.SUCCESS; } catch (Exception e) { lgpc.Status = STATUS.UNSPECIFIED_FAILURE; } Message toSend = ResponseBuilders.Get_Parameters_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID, lgpc); if (Program.MESSAGE_DETAILS) { Console.WriteLine("Sending message: (" + m.MIHHeader.MID.AID + ")"); Connection.MIHProtocol.PacketReader.PrintMessage(toSend); } ch.Send(toSend.ByteValue); }
/// <summary> /// Prints a serialized message. /// </summary> /// <param name="m">The serialized message to print.</param> public static void PrintMessage(Message m) { Payload.TLVIterator it = m.Payload.GetTLVIterator(); Console.Write("\t("); Console.Write(new ID(new OctetString(it.Next().Value))); Console.Write(" -> " + new ID(new OctetString(it.Next().Value))); Console.Write(")"); Console.WriteLine(); switch (m.MIHHeader.MID.AID) { case AIDGlobal.COMMAND_SERVICE_MIH_LINK_ACTIONS: if (m.MIHHeader.MID.OpCode == MessageID.OperationCode.REQUEST) { //LINK ACTION REQUEST Console.WriteLine(new Link_Action_Request(MIHDeserializer.DeserializeLinkAction(it.Next()), MIHDeserializer.DeserializeTimeInterval(it.Next()), MIHDeserializer.DeserializePoA(it.Next())).ToString()); } else { //LINK ACTION RESPONSE if (it.Count == 5) { Console.WriteLine(new Link_Action_Response(MIHDeserializer.DeserializeStatus(it.Next()), MIHDeserializer.DeserializeLinkScanRspList(it.Next()), MIHDeserializer.DeserializeLinkAcResult(it.Next()))); } else { Console.WriteLine(new Link_Action_Response(MIHDeserializer.DeserializeStatus(it.Next()), new List <byte[]>(), MIHDeserializer.DeserializeLinkAcResult(it.Next()))); } } break; case AIDGlobal.EVENT_SERVICE_MIH_LINK_UP: Console.WriteLine(new Link_Up(MIHDeserializer.DeserializeLinkTupleId(it.Next()), null, null)); break; case AIDGlobal.EVENT_SERVICE_MIH_LINK_DOWN: Console.WriteLine( it.Count < 5? new Link_Down(MIHDeserializer.DeserializeLinkTupleId(it.Next()), null, MIHDeserializer.DeserializeLinkDnReason(it.Next())) : new Link_Down(MIHDeserializer.DeserializeLinkTupleId(it.Next()), MIHDeserializer.DeserializeOldAccessRouter(it.Next()), MIHDeserializer.DeserializeLinkDnReason(it.Next())) ); break; case AIDGlobal.EVENT_SERVICE_MIH_LINK_DETECTED: Console.WriteLine(new Link_Detected(MIHDeserializer.DeserializeLinkDetInfo(it.Next()))); break; case AIDGlobal.COMMAND_SERVICE_MIH_LINK_GET_PARAMETERS: if (m.MIHHeader.MID.OpCode == MessageID.OperationCode.REQUEST) { Console.WriteLine(new Link_Get_Parameters_Request(MIHDeserializer.DeserializeLinkParamRequest(it.Next()), it.Next().Value, it.Next().Value)); } else { Console.WriteLine(new Link_Get_Parameters_Confirm(MIHDeserializer.DeserializeStatus(it.Next()), MIHDeserializer.DeserializeLinkParamStatusList(it.Next()), MIHDeserializer.DeserializeLinkStatesResponse(it.Next()), MIHDeserializer.DeserializeLinkDescriptorsResponse(it.Next()))); } break; default: Console.WriteLine("N/A"); break; } }