public void handler(ref BACNET_ADDRESS src, ref byte[] pdu, UInt16 pdu_len) { int apdu_offset = 0;//网络层数据的长度 BACNET_ADDRESS dest = new BACNET_ADDRESS(); BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA(); BvlcProcessor b_pro = new BvlcProcessor(); NpduProcessor p_pro = new NpduProcessor(); ApduProcessor a_pro = new ApduProcessor(); b_pro.Decode(ref src, ref pdu); if (pdu[0] == 1) //1是版本号 { apdu_offset = p_pro.Decode(ref pdu, ref dest, ref src, ref npdu_data); //获得npdu的数据 //获得npdu的数据 } if (npdu_data.network_layer_message) { //尚未定义 } else { if ((dest.net == 0)) { a_pro.Decode(ref src, ref pdu, (UInt16)(pdu_len - apdu_offset), apdu_offset); } } }
public void Acknowledge_Alarm_Handler(ref Byte[] request, UInt16 request_len, ref BACNET_ADDRESS src, ref BACNET_CONFIRMED_SERVICE_DATA request_data) { ACKNOWLEDGE_ALARM_DATA Ack_data = new ACKNOWLEDGE_ALARM_DATA(); Byte[] buffer = new Byte[1024]; BACNET_ADDRESS my_address = new BACNET_ADDRESS(); NpduProcessor n_pro = new NpduProcessor(); BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA(); ApduProcessor a_pro = new ApduProcessor(); BvlcProcessor b_pro = new BvlcProcessor(); int pdu_len = 0; int byte_len = 0; int apdu_len = -1; int npdu_len = -1; int len = 0; len = Decode_Service_Request(ref request, request_len, ref Ack_data); n_pro.Encode_NpduData(ref npdu_data, false, BACNET_MESSAGE_PRIORITY.MESSAGE_PRIORITY_NORMAL); npdu_len = n_pro.Encode(ref buffer, ref src, ref my_address, ref npdu_data); apdu_len = a_pro.Encode_Simple_Ack(ref buffer, request_data.invoke_id, (Byte)BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_SUBSCRIBE_COV, npdu_len); pdu_len = npdu_len + apdu_len; byte_len = b_pro.Encode(ref buffer, ref src, ref npdu_data, pdu_len); }
/********************************************************************************************************************************************************************************/ public void Cov_Subscribe_Handler(ref Byte[] request, UInt16 request_len, ref BACNET_ADDRESS src, ref BACNET_CONFIRMED_SERVICE_DATA request_data) { int pdu_len = 0; int byte_len = 0; Byte[] buffer = new Byte[1024]; BACNET_SUBSCRIBE_COV_DATA cov_data = new BACNET_SUBSCRIBE_COV_DATA(); BACNET_ADDRESS my_address = new BACNET_ADDRESS(); NpduProcessor n_pro = new NpduProcessor(); BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA(); ApduProcessor a_pro = new ApduProcessor(); BvlcProcessor b_pro = new BvlcProcessor(); int apdu_len = -1; int npdu_len = -1; int len = 0; //cov_data.error_code = ABORT_REASON_SEGMENTATION_NOT_SUPPORTED; //datalink_get_my_address(&my_address); n_pro.Encode_NpduData(ref npdu_data, false, BACNET_MESSAGE_PRIORITY.MESSAGE_PRIORITY_NORMAL); npdu_len = n_pro.Encode(ref buffer, ref src, ref my_address, ref npdu_data); // if (service_data.segmented_message) /* we don't support segmentation - send an abort */ len = Decode_Service_Request(ref request, request_len, ref cov_data); // for (int i = 0; i < Form_main.lift_count; i++) { if (cov_data.monitoredObjectIdentifier.instance == Form_main.lift_list[i].Object_Identifier.instance) { Form_main.lift_list[i].cov_subscribe(src, cov_data); } } // apdu_len = a_pro.Encode_Simple_Ack(ref buffer, request_data.invoke_id, (Byte)BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_SUBSCRIBE_COV, npdu_len); pdu_len = npdu_len + apdu_len; byte_len = b_pro.Encode(ref buffer, ref src, ref npdu_data, pdu_len); }