Added a demo for RenitializeDevice service.
This commit is contained in:
skarg
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/**************************************************************************
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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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/* WRITEPROP: command line tool that writes a property to a BACnet device. */
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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 "rd.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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// 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 BACNET_ADDRESS Target_Address;
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static BACNET_REINITIALIZED_STATE Reinitialize_State = BACNET_REINIT_COLDSTART;
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static char *Reinitialize_Password = NULL;
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static bool Error_Detected = false;
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static uint8_t Send_Reinitialize_Device_Request(
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uint32_t device_id,
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BACNET_REINITIALIZED_STATE state,
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char *password)
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{
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BACNET_ADDRESS dest;
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BACNET_ADDRESS my_address;
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unsigned max_apdu = 0;
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uint8_t invoke_id = 0;
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bool status = false;
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int pdu_len = 0;
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int bytes_sent = 0;
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BACNET_CHARACTER_STRING password_string;
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/* is the device bound? */
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status = address_get_by_device(device_id, &max_apdu, &dest);
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/* is there a tsm available? */
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if (status)
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status = tsm_transaction_available();
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if (status)
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{
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datalink_get_my_address(&my_address);
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pdu_len = npdu_encode_apdu(
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&Handler_Transmit_Buffer[0],
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&dest,
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&my_address,
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true, // true for confirmed messages
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MESSAGE_PRIORITY_NORMAL);
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invoke_id = tsm_next_free_invokeID();
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// load the data for the encoding
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characterstring_init_ansi(&password_string,password);
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pdu_len += rd_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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invoke_id,
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state,
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password?&password_string:NULL);
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/* will it fit in the sender?
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note: if there is a bottleneck router in between
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us and the destination, we won't know unless
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we have a way to check for that and update the
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max_apdu in the address binding table. */
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if ((unsigned)pdu_len < max_apdu)
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{
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tsm_set_confirmed_unsegmented_transaction(
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invoke_id,
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&dest,
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&Handler_Transmit_Buffer[0],
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pdu_len);
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bytes_sent = datalink_send_pdu(
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&dest, // 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 ReinitializeDevice Request (%s)!\n",
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strerror(errno));
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}
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else
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fprintf(stderr,"Failed to Send ReinitializeDevice Request "
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"(exceeds destination maximum APDU)!\n");
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}
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return invoke_id;
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}
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static void MyErrorHandler(
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BACNET_ADDRESS *src,
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uint8_t invoke_id,
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BACNET_ERROR_CLASS error_class,
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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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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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Error_Detected = true;
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}
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void MyAbortHandler(
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BACNET_ADDRESS *src,
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uint8_t invoke_id,
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uint8_t abort_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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printf("BACnet Abort: %s\r\n",
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bactext_abort_reason_name(abort_reason));
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Error_Detected = true;
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}
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void MyRejectHandler(
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BACNET_ADDRESS *src,
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uint8_t invoke_id,
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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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printf("BACnet Reject: %s\r\n",
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bactext_reject_reason_name(reject_reason));
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Error_Detected = true;
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}
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void MyReinitializeDeviceSimpleAckHandler(
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BACNET_ADDRESS *src,
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uint8_t invoke_id)
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{
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(void)src;
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(void)invoke_id;
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printf("ReinitializeDevice Acknowledged!\r\n");
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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(
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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(
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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(
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SERVICE_CONFIRMED_READ_PROPERTY,
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handler_read_property);
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/* handle the ack coming back */
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apdu_set_confirmed_simple_ack_handler(
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SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
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MyReinitializeDeviceSimpleAckHandler);
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/* handle any errors coming back */
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apdu_set_error_handler(
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SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
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MyErrorHandler);
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apdu_set_abort_handler(
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MyAbortHandler);
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apdu_set_reject_handler(
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MyRejectHandler);
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}
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#ifdef BIP_DEBUG
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static void print_address(
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char *name,
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BACNET_ADDRESS *dest) // destination address
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{
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int i = 0; // counter
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if (dest)
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{
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printf("%s: ",name);
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for (i = 0; i < dest->mac_len; i++)
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{
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printf("%02X",dest->mac[i]);
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}
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printf("\n");
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}
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}
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#endif
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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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char *value_string = NULL;
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bool status = false;
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#ifdef BIP_DEBUG
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BACNET_ADDRESS my_address, broadcast_address;
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#endif
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if (argc < 3)
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{
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/* note: priority 16 and 0 should produce the same end results... */
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printf(
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"Usage: %s device-instance state [password]\r\n"
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"Send BACnet ReinitializeDevice service to device.\r\n"
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"\r\n"
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"The device-instance can be 0 to %d.\r\n"
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"Possible state values:\r\n"
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" 0=coldstart\r\n"
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" 1=warmstart\r\n"
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" 2=startbackup\r\n"
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" 3=endbackup\r\n"
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" 4=startrestore\r\n"
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" 5=endrestore\r\n"
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" 6=abortrestore\r\n"
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"The optional password is a character string of 1 to 20 characters.\r\n",
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filename_remove_path(argv[0]),
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BACNET_MAX_INSTANCE-1);
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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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Reinitialize_State = strtol(argv[2],NULL,0);
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/* optional password */
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if (argc > 3)
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Reinitialize_Password = argv[3];
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if (Target_Device_Object_Instance >= BACNET_MAX_INSTANCE)
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{
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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);
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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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/* configure standard BACnet/IP port */
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bip_set_interface("eth0"); /* for linux */
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bip_set_port(0xBAC0);
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if (!bip_init())
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return 1;
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#ifdef BIP_DEBUG
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datalink_get_broadcast_address(&broadcast_address);
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print_address("Broadcast",&broadcast_address);
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datalink_get_my_address(&my_address);
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print_address("Address",&my_address);
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#endif
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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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/* don't send an I-Am unless asked */
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I_Am_Request = false;
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/* try to bind with the device */
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Send_WhoIs(Target_Device_Object_Instance,Target_Device_Object_Instance);
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/* loop forever */
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for (;;)
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{
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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 = bip_receive(
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&src,
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&Rx_Buf[0],
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MAX_MPDU,
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timeout);
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/* process */
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if (pdu_len)
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{
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npdu_handler(
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&src,
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&Rx_Buf[0],
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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 - last_seconds) * 1000));
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if (Error_Detected)
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break;
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if (I_Am_Request)
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{
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I_Am_Request = false;
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iam_send(&Handler_Transmit_Buffer[0]);
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}
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else
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{
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/* wait until the device is bound, or timeout and quit */
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found = address_bind_request(
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Target_Device_Object_Instance,
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&max_apdu,
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&Target_Address);
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if (found)
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{
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if (invoke_id == 0)
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{
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invoke_id = Send_Reinitialize_Device_Request(
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Target_Device_Object_Instance,
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Reinitialize_State,
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Reinitialize_Password);
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}
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else if (tsm_invoke_id_free(invoke_id))
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break;
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}
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else
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{
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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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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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return 0;
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}
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