Adding an AtomicReadFille command line demo, and splitting the handlers out of handlers.c.
This commit is contained in:
skarg
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/**************************************************************************
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*
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* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "config.h"
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#include "txbuf.h"
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#include "bacdef.h"
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#include "bacdcode.h"
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#include "apdu.h"
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#include "npdu.h"
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#include "abort.h"
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#include "rp.h"
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/* demo objects */
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#include "device.h"
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#include "ai.h"
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#include "ao.h"
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#if BACFILE
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#include "bacfile.h"
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#endif
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static uint8_t Temp_Buf[MAX_APDU] = {0};
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void handler_read_property(
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uint8_t *service_request,
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uint16_t service_len,
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BACNET_ADDRESS *src,
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BACNET_CONFIRMED_SERVICE_DATA *service_data)
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{
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BACNET_READ_PROPERTY_DATA data;
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int len = 0;
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int pdu_len = 0;
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BACNET_ADDRESS my_address;
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bool send = false;
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bool error = false;
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int bytes_sent = 0;
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BACNET_ERROR_CLASS error_class = ERROR_CLASS_OBJECT;
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BACNET_ERROR_CODE error_code = ERROR_CODE_UNKNOWN_OBJECT;
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len = rp_decode_service_request(
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service_request,
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service_len,
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&data);
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if (len <= 0)
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fprintf(stderr,"Unable to decode Read-Property Request!\n");
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// prepare a reply
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datalink_get_my_address(&my_address);
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// encode the NPDU portion of the packet
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pdu_len = npdu_encode_apdu(
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&Handler_Transmit_Buffer[0],
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src,
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&my_address,
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false, // true for confirmed messages
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MESSAGE_PRIORITY_NORMAL);
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// bad decoding - send an abort
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if (len == -1)
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{
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pdu_len += abort_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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ABORT_REASON_OTHER);
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fprintf(stderr,"Sending Abort!\n");
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send = true;
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}
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else if (service_data->segmented_message)
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{
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pdu_len += abort_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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ABORT_REASON_SEGMENTATION_NOT_SUPPORTED);
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fprintf(stderr,"Sending Abort!\n");
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send = true;
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}
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else
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{
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switch (data.object_type)
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{
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case OBJECT_DEVICE:
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// FIXME: probably need a length limitation sent with encode
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if (data.object_instance == Device_Object_Instance_Number())
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{
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len = Device_Encode_Property_APDU(
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&Temp_Buf[0],
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data.object_property,
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data.array_index,
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&error_class,
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&error_code);
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if (len > 0)
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{
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// encode the APDU portion of the packet
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data.application_data = &Temp_Buf[0];
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data.application_data_len = len;
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// FIXME: probably need a length limitation sent with encode
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pdu_len += rp_ack_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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&data);
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fprintf(stderr,"Sending Read Property Ack!\n");
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send = true;
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}
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else
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error = true;
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}
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else
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error = true;
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break;
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case OBJECT_ANALOG_INPUT:
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if (Analog_Input_Valid_Instance(data.object_instance))
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{
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len = Analog_Input_Encode_Property_APDU(
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&Temp_Buf[0],
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data.object_instance,
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data.object_property,
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data.array_index,
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&error_class,
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&error_code);
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if (len > 0)
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{
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// encode the APDU portion of the packet
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data.application_data = &Temp_Buf[0];
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data.application_data_len = len;
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// FIXME: probably need a length limitation sent with encode
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pdu_len += rp_ack_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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&data);
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fprintf(stderr,"Sending Read Property Ack!\n");
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send = true;
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}
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else
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error = true;
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}
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else
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error = true;
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break;
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case OBJECT_ANALOG_OUTPUT:
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if (Analog_Output_Valid_Instance(data.object_instance))
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{
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len = Analog_Output_Encode_Property_APDU(
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&Temp_Buf[0],
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data.object_instance,
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data.object_property,
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data.array_index,
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&error_class,
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&error_code);
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if (len > 0)
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{
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// encode the APDU portion of the packet
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data.application_data = &Temp_Buf[0];
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data.application_data_len = len;
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// FIXME: probably need a length limitation sent with encode
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pdu_len += rp_ack_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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&data);
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fprintf(stderr,"Sending Read Property Ack!\n");
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send = true;
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}
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else
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error = true;
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}
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else
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error = true;
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break;
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#if BACFILE
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case OBJECT_FILE:
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if (bacfile_valid_instance(data.object_instance))
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{
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len = bacfile_encode_property_apdu(
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&Temp_Buf[0],
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data.object_instance,
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data.object_property,
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data.array_index,
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&error_class,
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&error_code);
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if (len > 0)
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{
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// encode the APDU portion of the packet
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data.application_data = &Temp_Buf[0];
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data.application_data_len = len;
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// FIXME: probably need a length limitation sent with encode
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pdu_len += rp_ack_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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&data);
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fprintf(stderr,"Sending Read Property Ack!\n");
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send = true;
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}
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else
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error = true;
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}
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else
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error = true;
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break;
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#endif
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default:
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error = true;
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break;
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}
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}
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if (error)
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{
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pdu_len += bacerror_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_READ_PROPERTY,
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error_class,
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error_code);
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fprintf(stderr,"Sending Read Property Error!\n");
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send = true;
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}
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if (send)
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{
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bytes_sent = datalink_send_pdu(
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src, // destination address
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&Handler_Transmit_Buffer[0],
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pdu_len); // number of bytes of data
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if (bytes_sent <= 0)
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fprintf(stderr,"Failed to send PDU (%s)!\n", strerror(errno));
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}
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return;
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}
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