Files
bacnet_stack/apps/timesync/main.c
T
Steve Karg 9c72572692 Feature/bacnet time sync override (#215)
* add --time and --date options to command line time sync for override

* remove PRINT_ENABLED compile overreach

* fix bacstr.c for non-PRINT_ENABLED compile

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
2022-01-20 16:42:47 -06:00

285 lines
10 KiB
C

/**************************************************************************
*
* 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.
*
*********************************************************************/
/* command line tool that sends a BACnet service, and displays the reply */
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include "bacnet/basic/binding/address.h"
#include "bacnet/bactext.h"
#include "bacnet/config.h"
#include "bacnet/bacdef.h"
#include "bacnet/npdu.h"
#include "bacnet/apdu.h"
#include "bacnet/datetime.h"
#include "bacnet/basic/object/device.h"
#include "bacport.h"
#include "bacnet/datalink/datalink.h"
#include "bacnet/timesync.h"
#include "bacnet/version.h"
/* some demo stuff needed */
#include "bacnet/basic/sys/mstimer.h"
#include "bacnet/basic/sys/filename.h"
#include "bacnet/basic/services.h"
#include "bacnet/basic/services.h"
#include "bacnet/basic/tsm/tsm.h"
#include "bacnet/datalink/dlenv.h"
/* buffer used for receive */
static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
/* error flag */
static bool Error_Detected = false;
static void MyAbortHandler(
BACNET_ADDRESS *src, uint8_t invoke_id, uint8_t abort_reason, bool server)
{
/* FIXME: verify src and invoke id */
(void)src;
(void)invoke_id;
(void)server;
printf("BACnet Abort: %s\n", bactext_abort_reason_name(abort_reason));
Error_Detected = true;
}
static 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\n", bactext_reject_reason_name(reject_reason));
Error_Detected = true;
}
static void Init_Service_Handlers(void)
{
Device_Init(NULL);
/* we need to handle who-is
to support dynamic device binding to us */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
/* 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 reply (request) coming in */
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_UTC_TIME_SYNCHRONIZATION, handler_timesync_utc);
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_TIME_SYNCHRONIZATION, handler_timesync);
/* handle any errors coming back */
apdu_set_abort_handler(MyAbortHandler);
apdu_set_reject_handler(MyRejectHandler);
}
static void print_usage(char *filename)
{
printf("Usage: %s [--dnet][--dadr][--mac]\n", filename);
printf(" [--version][--help]\n");
}
static void print_help(char *filename)
{
printf("Send BACnet TimeSynchronization request.\n"
"\n"
"--mac A\n"
"BACnet mac address."
"Valid ranges are from 0 to 255\n"
"or an IP string with optional port number like 10.1.2.3:47808\n"
"or an Ethernet MAC in hex like 00:21:70:7e:32:bb\n"
"\n"
"--dnet N\n"
"BACnet network number N for directed requests.\n"
"Valid range is from 0 to 65535 where 0 is the local connection\n"
"and 65535 is network broadcast.\n"
"\n"
"--dadr A\n"
"BACnet mac address on the destination BACnet network number.\n"
"Valid ranges are from 0 to 255\n"
"or an IP string with optional port number like 10.1.2.3:47808\n"
"or an Ethernet MAC in hex like 00:21:70:7e:32:bb\n"
"\n");
printf("Examples:\n"
"Send a TimeSynchronization request to DNET 123:\n"
"%s --dnet 123\n",
filename);
printf(
"Send a TimeSynchronization request to MAC 10.0.0.1 DNET 123 DADR 5:\n"
"%s --mac 10.0.0.1 --dnet 123 --dadr 5\n",
filename);
printf("Send a TimeSynchronization request to MAC 10.1.2.3:47808:\n"
"%s --mac 10.1.2.3:47808\n",
filename);
#if 0
/* FIXME: it would be nice to be able to send arbitrary time values */
"date format: year/month/day:dayofweek (e.g. 2006/4/1:6)\n"
"year: AD, such as 2006\n" "month: 1=January, 12=December\n"
"day: 1-31\n" "dayofweek: 1=Monday, 7=Sunday\n" "\n"
"time format: hour:minute:second.hundredths (e.g. 23:59:59.12)\n"
"hour: 0-23\n" "minute: 0-59\n" "second: 0-59\n"
"hundredths: 0-99\n" "\n"
"Optional device-instance sends a unicast time sync.\n",
filename);
#endif
}
int main(int argc, char *argv[])
{
BACNET_ADDRESS src = { 0 }; /* address where message came from */
uint16_t pdu_len = 0;
const unsigned timeout = 100; /* milliseconds */
BACNET_DATE bdate;
BACNET_TIME btime;
bool override_date = false;
bool override_time = false;
struct mstimer apdu_timer;
long dnet = -1;
BACNET_MAC_ADDRESS mac = { 0 };
BACNET_MAC_ADDRESS adr = { 0 };
BACNET_ADDRESS dest = { 0 };
bool global_broadcast = true;
int argi = 0;
char *filename = NULL;
/* decode any command line parameters */
filename = filename_remove_path(argv[0]);
for (argi = 1; argi < argc; argi++) {
if (strcmp(argv[argi], "--help") == 0) {
print_usage(filename);
print_help(filename);
return 0;
}
if (strcmp(argv[argi], "--version") == 0) {
printf("%s %s\n", filename, BACNET_VERSION_TEXT);
printf("Copyright (C) 2014 by Steve Karg and others.\n"
"This is free software; see the source for copying "
"conditions.\n"
"There is NO warranty; not even for MERCHANTABILITY or\n"
"FITNESS FOR A PARTICULAR PURPOSE.\n");
return 0;
}
if (strcmp(argv[argi], "--mac") == 0) {
if (++argi < argc) {
if (address_mac_from_ascii(&mac, argv[argi])) {
global_broadcast = false;
}
}
}
if (strcmp(argv[argi], "--dnet") == 0) {
if (++argi < argc) {
dnet = strtol(argv[argi], NULL, 0);
if ((dnet >= 0) && (dnet <= BACNET_BROADCAST_NETWORK)) {
global_broadcast = false;
}
}
}
if (strcmp(argv[argi], "--dadr") == 0) {
if (++argi < argc) {
if (address_mac_from_ascii(&adr, argv[argi])) {
global_broadcast = false;
}
}
}
if (strcmp(argv[argi], "--date") == 0) {
if (++argi < argc) {
if (datetime_date_init_ascii(&bdate, argv[argi])) {
override_date = true;
}
}
}
if (strcmp(argv[argi], "--time") == 0) {
if (++argi < argc) {
if (datetime_time_init_ascii(&btime, argv[argi])) {
override_time = true;
}
}
}
}
if (global_broadcast) {
datalink_get_broadcast_address(&dest);
} else {
if (adr.len && mac.len) {
memcpy(&dest.mac[0], &mac.adr[0], mac.len);
dest.mac_len = mac.len;
memcpy(&dest.adr[0], &adr.adr[0], adr.len);
dest.len = adr.len;
if ((dnet >= 0) && (dnet <= BACNET_BROADCAST_NETWORK)) {
dest.net = dnet;
} else {
dest.net = BACNET_BROADCAST_NETWORK;
}
} else if (mac.len) {
memcpy(&dest.mac[0], &mac.adr[0], mac.len);
dest.mac_len = mac.len;
dest.len = 0;
if ((dnet >= 0) && (dnet <= BACNET_BROADCAST_NETWORK)) {
dest.net = dnet;
} else {
dest.net = 0;
}
} else {
if ((dnet >= 0) && (dnet <= BACNET_BROADCAST_NETWORK)) {
dest.net = dnet;
} else {
dest.net = BACNET_BROADCAST_NETWORK;
}
dest.mac_len = 0;
dest.len = 0;
}
}
/* setup my info */
Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE);
Init_Service_Handlers();
dlenv_init();
atexit(datalink_cleanup);
mstimer_init();
/* send the request */
datetime_local(override_date?NULL:&bdate,override_time?NULL:&btime,
NULL, NULL);
Send_TimeSync_Remote(&dest, &bdate, &btime);
mstimer_set(&apdu_timer, apdu_timeout());
/* loop forever - not necessary for time sync, but we can watch */
for (;;) {
/* returns 0 bytes on timeout */
pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
/* process */
if (pdu_len) {
npdu_handler(&src, &Rx_Buf[0], pdu_len);
}
if (Error_Detected) {
break;
}
if (mstimer_expired(&apdu_timer)) {
break;
}
}
return 0;
}