/************************************************************************** * * Copyright (C) 2005 Steve Karg * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * *********************************************************************/ #include #include #include #include #include #include "config.h" #include "txbuf.h" #include "bacdef.h" #include "bacdcode.h" #include "bacerror.h" #include "apdu.h" #include "npdu.h" #include "abort.h" #include "wp.h" /* demo objects */ #include "device.h" #include "av.h" #include "bv.h" /* too big to reside on stack frame for PIC */ static BACNET_WRITE_PROPERTY_DATA wp_data; void handler_write_property( uint8_t * service_request, uint16_t service_len, BACNET_ADDRESS * src, BACNET_CONFIRMED_SERVICE_DATA * service_data) { int len = 0; int pdu_len = 0; BACNET_NPDU_DATA npdu_data; BACNET_ERROR_CLASS error_class = ERROR_CLASS_OBJECT; BACNET_ERROR_CODE error_code = ERROR_CODE_UNKNOWN_OBJECT; int bytes_sent = 0; BACNET_ADDRESS my_address; /* decode the service request only */ len = wp_decode_service_request(service_request, service_len, &wp_data); /* encode the NPDU portion of the packet */ datalink_get_my_address(&my_address); npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL); pdu_len = npdu_encode_pdu(&Handler_Transmit_Buffer[0], src, &my_address, &npdu_data); /* bad decoding or something we didn't understand - send an abort */ if (len <= 0) { len = abort_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, ABORT_REASON_OTHER, true); } else if (service_data->segmented_message) { len = abort_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true); } else { switch (wp_data.object_type) { case OBJECT_DEVICE: if (Device_Write_Property(&wp_data, &error_class, &error_code)) { len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY); } else { len = bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY, error_class, error_code); } break; case OBJECT_ANALOG_VALUE: if (Analog_Value_Write_Property(&wp_data, &error_class, &error_code)) { len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY); } else { len = bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY, error_class, error_code); } break; case OBJECT_BINARY_VALUE: if (Binary_Value_Write_Property(&wp_data, &error_class, &error_code)) { len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY); } else { len = bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY, error_class, error_code); } break; default: len = bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len], service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY, error_class, error_code); break; } } pdu_len += len; bytes_sent = datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0], pdu_len); return; }