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bacnet_stack/bacnet-stack/demo/reinit/main.c
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/**************************************************************************
*
* Copyright (C) 2006 Steve Karg <skarg@users.sourceforge.net>
*
* 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.
*
*********************************************************************/
/* WRITEPROP: command line tool that writes a property to a BACnet device. */
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h> /* for time */
#include <errno.h>
#include "bactext.h"
#include "iam.h"
#include "arf.h"
#include "tsm.h"
#include "address.h"
#include "config.h"
#include "bacdef.h"
#include "npdu.h"
#include "apdu.h"
#include "device.h"
#include "net.h"
#include "datalink.h"
#include "whois.h"
#include "rd.h"
/* some demo stuff needed */
#include "filename.h"
#include "handlers.h"
#include "client.h"
#include "txbuf.h"
// buffer used for receive
static uint8_t Rx_Buf[MAX_MPDU] = {0};
/* global variables used in this file */
static uint32_t Target_Device_Object_Instance = BACNET_MAX_INSTANCE;
static BACNET_ADDRESS Target_Address;
static BACNET_REINITIALIZED_STATE Reinitialize_State = BACNET_REINIT_COLDSTART;
static char *Reinitialize_Password = NULL;
static bool Error_Detected = false;
static void MyErrorHandler(
BACNET_ADDRESS *src,
uint8_t invoke_id,
BACNET_ERROR_CLASS error_class,
BACNET_ERROR_CODE error_code)
{
/* FIXME: verify src and invoke id */
(void)src;
(void)invoke_id;
printf("BACnet Error: %s: %s\r\n",
bactext_error_class_name(error_class),
bactext_error_code_name(error_code));
Error_Detected = true;
}
void MyAbortHandler(
BACNET_ADDRESS *src,
uint8_t invoke_id,
uint8_t abort_reason)
{
/* FIXME: verify src and invoke id */
(void)src;
(void)invoke_id;
printf("BACnet Abort: %s\r\n",
bactext_abort_reason_name(abort_reason));
Error_Detected = true;
}
void MyRejectHandler(
BACNET_ADDRESS *src,
uint8_t invoke_id,
uint8_t reject_reason)
{
/* FIXME: verify src and invoke id */
(void)src;
(void)invoke_id;
printf("BACnet Reject: %s\r\n",
bactext_reject_reason_name(reject_reason));
Error_Detected = true;
}
void MyReinitializeDeviceSimpleAckHandler(
BACNET_ADDRESS *src,
uint8_t invoke_id)
{
(void)src;
(void)invoke_id;
printf("ReinitializeDevice Acknowledged!\r\n");
}
static void Init_Service_Handlers(void)
{
/* we need to handle who-is
to support dynamic device binding to us */
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_WHO_IS,
handler_who_is);
/* handle i-am to support binding to other devices */
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_I_AM,
handler_i_am_bind);
/* set the handler for all the services we don't implement
It is required to send the proper reject message... */
apdu_set_unrecognized_service_handler_handler(
handler_unrecognized_service);
/* we must implement read property - it's required! */
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_READ_PROPERTY,
handler_read_property);
/* handle the ack coming back */
apdu_set_confirmed_simple_ack_handler(
SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
MyReinitializeDeviceSimpleAckHandler);
/* handle any errors coming back */
apdu_set_error_handler(
SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
MyErrorHandler);
apdu_set_abort_handler(
MyAbortHandler);
apdu_set_reject_handler(
MyRejectHandler);
}
#ifdef BIP_DEBUG
static void print_address(
char *name,
BACNET_ADDRESS *dest) // destination address
{
int i = 0; // counter
if (dest)
{
printf("%s: ",name);
for (i = 0; i < dest->mac_len; i++)
{
printf("%02X",dest->mac[i]);
}
printf("\n");
}
}
#endif
int main(int argc, char *argv[])
{
BACNET_ADDRESS src = {0}; // address where message came from
uint16_t pdu_len = 0;
unsigned timeout = 100; // milliseconds
unsigned max_apdu = 0;
time_t elapsed_seconds = 0;
time_t last_seconds = 0;
time_t current_seconds = 0;
time_t timeout_seconds = 0;
uint8_t invoke_id = 0;
bool found = false;
#ifdef BIP_DEBUG
BACNET_ADDRESS my_address, broadcast_address;
#endif
if (argc < 3)
{
/* note: priority 16 and 0 should produce the same end results... */
printf(
"Usage: %s device-instance state [password]\r\n"
"Send BACnet ReinitializeDevice service to device.\r\n"
"\r\n"
"The device-instance can be 0 to %d.\r\n"
"Possible state values:\r\n"
" 0=coldstart\r\n"
" 1=warmstart\r\n"
" 2=startbackup\r\n"
" 3=endbackup\r\n"
" 4=startrestore\r\n"
" 5=endrestore\r\n"
" 6=abortrestore\r\n"
"The optional password is a character string of 1 to 20 characters.\r\n",
filename_remove_path(argv[0]),
BACNET_MAX_INSTANCE-1);
return 0;
}
/* decode the command line parameters */
Target_Device_Object_Instance = strtol(argv[1],NULL,0);
Reinitialize_State = strtol(argv[2],NULL,0);
/* optional password */
if (argc > 3)
Reinitialize_Password = argv[3];
if (Target_Device_Object_Instance >= BACNET_MAX_INSTANCE)
{
fprintf(stderr,"device-instance=%u - it must be less than %u\r\n",
Target_Device_Object_Instance,BACNET_MAX_INSTANCE);
return 1;
}
/* setup my info */
Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE);
address_init();
Init_Service_Handlers();
/* configure standard BACnet/IP port */
bip_set_interface("eth0"); /* for linux */
bip_set_port(0xBAC0);
if (!bip_init())
return 1;
#ifdef BIP_DEBUG
datalink_get_broadcast_address(&broadcast_address);
print_address("Broadcast",&broadcast_address);
datalink_get_my_address(&my_address);
print_address("Address",&my_address);
#endif
/* configure the timeout values */
last_seconds = time(NULL);
timeout_seconds = (Device_APDU_Timeout() / 1000) *
Device_Number_Of_APDU_Retries();
/* don't send an I-Am unless asked */
I_Am_Request = false;
/* try to bind with the device */
Send_WhoIs(Target_Device_Object_Instance,Target_Device_Object_Instance);
/* loop forever */
for (;;)
{
/* increment timer - exit if timed out */
current_seconds = time(NULL);
/* returns 0 bytes on timeout */
pdu_len = bip_receive(
&src,
&Rx_Buf[0],
MAX_MPDU,
timeout);
/* process */
if (pdu_len)
{
npdu_handler(
&src,
&Rx_Buf[0],
pdu_len);
}
/* at least one second has passed */
if (current_seconds != last_seconds)
tsm_timer_milliseconds(((current_seconds - last_seconds) * 1000));
if (Error_Detected)
break;
if (I_Am_Request)
{
I_Am_Request = false;
iam_send(&Handler_Transmit_Buffer[0]);
}
else
{
/* wait until the device is bound, or timeout and quit */
found = address_bind_request(
Target_Device_Object_Instance,
&max_apdu,
&Target_Address);
if (found)
{
if (invoke_id == 0)
{
invoke_id = Send_Reinitialize_Device_Request(
Target_Device_Object_Instance,
Reinitialize_State,
Reinitialize_Password);
}
else if (tsm_invoke_id_free(invoke_id))
break;
}
else
{
/* increment timer - exit if timed out */
elapsed_seconds += (current_seconds - last_seconds);
if (elapsed_seconds > timeout_seconds)
break;
}
}
/* keep track of time for next check */
last_seconds = current_seconds;
}
return 0;
}
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