skarg
374 lines
12 KiB
C
374 lines
12 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2006 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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/* command line tool that sends a BACnet service, and displays the reply */
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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 <stdlib.h>
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#include <time.h> /* for time */
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#include <errno.h>
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#include "bactext.h"
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#include "iam.h"
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#include "arf.h"
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#include "tsm.h"
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#include "address.h"
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#include "config.h"
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#include "bacdef.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "device.h"
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#include "net.h"
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#include "datalink.h"
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#include "whois.h"
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#include "rp.h"
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/* some demo stuff needed */
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#include "filename.h"
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#include "handlers.h"
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#include "client.h"
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#include "txbuf.h"
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#include "keylist.h"
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/* buffer used for receive */
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static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
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/* global variables used in this file */
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static uint32_t Target_Device_Object_Instance = BACNET_MAX_INSTANCE;
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static bool Error_Detected = false;
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static BACNET_ADDRESS Target_Address;
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/* use this parameter to set a special interface:
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"eth0" on Linux, or dotted IP address on Windows */
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static char *Network_Interface = NULL;
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typedef struct BACnet_RP_Service_Data_t {
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bool new_data;
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BACNET_CONFIRMED_SERVICE_ACK_DATA service_data;
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BACNET_READ_PROPERTY_DATA data;
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} BACNET_RP_SERVICE_DATA;
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static BACNET_RP_SERVICE_DATA Read_Property_Data;
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/* FIXME: keep the object list in here */
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/* static OS_Keylist Object_List; */
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static void MyErrorHandler(BACNET_ADDRESS * src,
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uint8_t invoke_id,
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BACNET_ERROR_CLASS error_class, BACNET_ERROR_CODE error_code)
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{
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/* FIXME: verify src and invoke id */
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(void) src;
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(void) invoke_id;
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#if 1
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printf("BACnet Error: %s: %s\r\n",
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bactext_error_class_name(error_class),
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bactext_error_code_name(error_code));
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#else
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(void) error_class;
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(void) error_code;
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#endif
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Error_Detected = true;
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}
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void MyAbortHandler(BACNET_ADDRESS * src,
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uint8_t invoke_id, uint8_t abort_reason, bool server)
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{
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/* FIXME: verify src and invoke id */
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(void) src;
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(void) invoke_id;
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(void) server;
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#if 1
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printf("BACnet Abort: %s\r\n",
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bactext_abort_reason_name(abort_reason));
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#else
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(void) abort_reason;
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#endif
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Error_Detected = true;
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}
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void MyRejectHandler(BACNET_ADDRESS * src,
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uint8_t invoke_id, uint8_t reject_reason)
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{
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/* FIXME: verify src and invoke id */
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(void) src;
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(void) invoke_id;
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#if 1
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printf("BACnet Reject: %s\r\n",
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bactext_reject_reason_name(reject_reason));
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#else
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(void) reject_reason;
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#endif
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Error_Detected = true;
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}
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void PrintReadPropertyData(BACNET_READ_PROPERTY_DATA * data)
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{
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BACNET_APPLICATION_DATA_VALUE value; /* for decode value data */
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int len = 0;
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uint8_t *application_data;
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int application_data_len;
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bool first_value = true;
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bool print_brace = false;
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if (data) {
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#if 0
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if (data->array_index == BACNET_ARRAY_ALL)
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fprintf(stderr, "%s #%u %s\n",
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bactext_object_type_name(data->object_type),
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data->object_instance,
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bactext_property_name(data->object_property));
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else
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fprintf(stderr, "%s #%u %s[%d]\n",
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bactext_object_type_name(data->object_type),
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data->object_instance,
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bactext_property_name(data->object_property),
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data->array_index);
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#endif
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application_data = data->application_data;
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application_data_len = data->application_data_len;
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/* value? loop until all of the len is gone... */
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for (;;) {
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len = bacapp_decode_application_data(application_data,
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(uint8_t) application_data_len, &value);
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if (first_value && (len < application_data_len)) {
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first_value = false;
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fprintf(stdout, "{");
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print_brace = true;
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}
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bacapp_print_value(stdout, &value, data->object_property);
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if (len) {
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if (len < application_data_len) {
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application_data += len;
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application_data_len -= len;
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/* there's more! */
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fprintf(stdout, ",");
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} else
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break;
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} else
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break;
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}
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if (print_brace)
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fprintf(stdout, "}");
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fprintf(stdout, "\r\n");
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}
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}
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void MyReadPropertyAckHandler(uint8_t * service_request,
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uint16_t service_len,
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BACNET_ADDRESS * src, BACNET_CONFIRMED_SERVICE_ACK_DATA * service_data)
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{
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int len = 0;
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BACNET_READ_PROPERTY_DATA data;
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(void) src;
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len = rp_ack_decode_service_request(service_request,
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service_len, &data);
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if (len > 0) {
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memmove(&Read_Property_Data.service_data, service_data, sizeof(data));
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memmove(&Read_Property_Data.data, &data, sizeof(data));
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Read_Property_Data.new_data = true;
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}
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}
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static void Init_Service_Handlers(void)
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{
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/* we need to handle who-is
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to support dynamic device binding to us */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS,
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handler_who_is);
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/* handle i-am to support binding to other devices */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM,
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handler_i_am_bind);
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/* set the handler for all the services we don't implement
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It is required to send the proper reject message... */
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apdu_set_unrecognized_service_handler_handler
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(handler_unrecognized_service);
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/* we must implement read property - it's required! */
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
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handler_read_property);
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/* handle the data coming back from confirmed requests */
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apdu_set_confirmed_ack_handler(SERVICE_CONFIRMED_READ_PROPERTY,
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MyReadPropertyAckHandler);
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/* handle any errors coming back */
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apdu_set_error_handler(SERVICE_CONFIRMED_READ_PROPERTY,
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MyErrorHandler);
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apdu_set_abort_handler(MyAbortHandler);
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apdu_set_reject_handler(MyRejectHandler);
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}
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static uint8_t Read_Properties(uint32_t device_instance)
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{
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uint8_t invoke_id = 0;
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static unsigned index = 0;
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/* list of required (and some optional) properties in the
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Device Object
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note: you could just loop through
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all the properties in all the objects. */
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const int object_props[] = {
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PROP_OBJECT_IDENTIFIER,
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PROP_OBJECT_NAME,
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PROP_OBJECT_TYPE,
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PROP_SYSTEM_STATUS,
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PROP_VENDOR_NAME,
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PROP_VENDOR_IDENTIFIER,
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PROP_MODEL_NAME,
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PROP_FIRMWARE_REVISION,
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PROP_APPLICATION_SOFTWARE_VERSION,
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PROP_PROTOCOL_VERSION,
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PROP_PROTOCOL_CONFORMANCE_CLASS,
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PROP_PROTOCOL_SERVICES_SUPPORTED,
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PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED,
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PROP_MAX_APDU_LENGTH_ACCEPTED,
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PROP_SEGMENTATION_SUPPORTED,
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PROP_LOCAL_TIME,
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PROP_LOCAL_DATE,
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PROP_UTC_OFFSET,
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PROP_DAYLIGHT_SAVINGS_STATUS,
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PROP_APDU_SEGMENT_TIMEOUT,
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PROP_APDU_TIMEOUT,
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PROP_NUMBER_OF_APDU_RETRIES,
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PROP_TIME_SYNCHRONIZATION_RECIPIENTS,
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PROP_MAX_MASTER,
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PROP_MAX_INFO_FRAMES,
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PROP_DEVICE_ADDRESS_BINDING,
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/* note: PROP_OBJECT_LIST is missing cause
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we need to get it with an index method since
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the list could be very large */
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/* end of list */
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-1
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};
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if (object_props[index] != -1) {
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printf(" %s: ",bactext_property_name(object_props[index]));
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invoke_id = Send_Read_Property_Request(device_instance,
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OBJECT_DEVICE,
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device_instance,
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object_props[index],
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BACNET_ARRAY_ALL);
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if (invoke_id) {
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index++;
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}
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}
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return invoke_id;
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}
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int main(int argc, char *argv[])
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{
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BACNET_ADDRESS src = { 0 }; /* address where message came from */
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uint16_t pdu_len = 0;
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unsigned timeout = 100; /* milliseconds */
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unsigned max_apdu = 0;
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time_t elapsed_seconds = 0;
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time_t last_seconds = 0;
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time_t current_seconds = 0;
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time_t timeout_seconds = 0;
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uint8_t invoke_id = 0;
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bool found = false;
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/* FIXME: handle multi homed systems - use an argument passed to the datalink_init() */
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/* print help if not enough arguments */
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if (argc < 2) {
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printf
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("%s device-instance\r\n",
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filename_remove_path(argv[0]));
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return 0;
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}
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/* decode the command line parameters */
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Target_Device_Object_Instance = strtol(argv[1], NULL, 0);
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if (Target_Device_Object_Instance > BACNET_MAX_INSTANCE) {
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fprintf(stderr, "device-instance=%u - it must be less than %u\r\n",
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Target_Device_Object_Instance, BACNET_MAX_INSTANCE+1);
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return 1;
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}
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/* setup my info */
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Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE);
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address_init();
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Init_Service_Handlers();
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datalink_init(Network_Interface);
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/* configure the timeout values */
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last_seconds = time(NULL);
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timeout_seconds = (Device_APDU_Timeout() / 1000) *
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Device_Number_Of_APDU_Retries();
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/* try to bind with the device */
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Send_WhoIs(Target_Device_Object_Instance,
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Target_Device_Object_Instance);
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printf("List of Objects in test device:\r\n");
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printf("{\r\n");
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/* loop forever */
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for (;;) {
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/* increment timer - exit if timed out */
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current_seconds = time(NULL);
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/* returns 0 bytes on timeout */
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pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
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/* process */
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if (pdu_len) {
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npdu_handler(&src, &Rx_Buf[0], pdu_len);
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}
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/* at least one second has passed */
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if (current_seconds != last_seconds)
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tsm_timer_milliseconds(((current_seconds -
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last_seconds) * 1000));
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/* wait until the device is bound, or timeout and quit */
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found = address_bind_request(Target_Device_Object_Instance,
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&max_apdu, &Target_Address);
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if (found) {
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if (invoke_id == 0) {
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invoke_id = Read_Properties(Target_Device_Object_Instance);
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if (invoke_id == 0) {
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break;
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}
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} else if ((Read_Property_Data.new_data) &&
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(invoke_id == Read_Property_Data.service_data.invoke_id)) {
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Read_Property_Data.new_data = false;
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PrintReadPropertyData(&Read_Property_Data.data);
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} else if (tsm_invoke_id_free(invoke_id)) {
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invoke_id = 0;
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}
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else if (tsm_invoke_id_failed(invoke_id)) {
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fprintf(stderr, "\rError: TSM Timeout!\r\n");
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tsm_free_invoke_id(invoke_id);
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invoke_id = 0;
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} else if (Error_Detected) {
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invoke_id = 0;
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}
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} else {
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/* increment timer - exit if timed out */
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elapsed_seconds += (current_seconds - last_seconds);
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if (elapsed_seconds > timeout_seconds) {
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printf("\rError: APDU Timeout!\r\n");
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break;
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}
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}
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/* keep track of time for next check */
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last_seconds = current_seconds;
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}
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printf("}\r\n");
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return 0;
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}
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