skarg
114 lines
3.6 KiB
C
114 lines
3.6 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.
|
|
*
|
|
*********************************************************************/
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <errno.h>
|
|
#include "config.h"
|
|
#include "config.h"
|
|
#include "txbuf.h"
|
|
#include "bacdef.h"
|
|
#include "bacdcode.h"
|
|
#include "address.h"
|
|
#include "tsm.h"
|
|
#include "npdu.h"
|
|
#include "apdu.h"
|
|
#include "device.h"
|
|
#include "datalink.h"
|
|
#include "dcc.h"
|
|
/* some demo stuff needed */
|
|
#include "handlers.h"
|
|
#include "txbuf.h"
|
|
|
|
uint8_t Send_Device_Communication_Control_Request(
|
|
uint32_t device_id,
|
|
uint16_t timeDuration, /* 0=optional */
|
|
BACNET_COMMUNICATION_ENABLE_DISABLE state,
|
|
char *password) /* NULL=optional */
|
|
{
|
|
BACNET_ADDRESS dest;
|
|
BACNET_ADDRESS my_address;
|
|
unsigned max_apdu = 0;
|
|
uint8_t invoke_id = 0;
|
|
bool status = false;
|
|
int pdu_len = 0;
|
|
int bytes_sent = 0;
|
|
BACNET_CHARACTER_STRING password_string;
|
|
|
|
if (!dcc_communication_enabled())
|
|
return 0;
|
|
|
|
/* is the device bound? */
|
|
status = address_get_by_device(device_id, &max_apdu, &dest);
|
|
/* is there a tsm available? */
|
|
if (status)
|
|
status = tsm_transaction_available();
|
|
if (status)
|
|
{
|
|
datalink_get_my_address(&my_address);
|
|
pdu_len = npdu_encode_apdu(
|
|
&Handler_Transmit_Buffer[0],
|
|
&dest,
|
|
&my_address,
|
|
true, // true for confirmed messages
|
|
MESSAGE_PRIORITY_NORMAL);
|
|
|
|
invoke_id = tsm_next_free_invokeID();
|
|
// load the data for the encoding
|
|
characterstring_init_ansi(&password_string,password);
|
|
pdu_len += dcc_encode_apdu(
|
|
&Handler_Transmit_Buffer[pdu_len],
|
|
invoke_id,
|
|
timeDuration,
|
|
state,
|
|
password?&password_string:NULL);
|
|
/* will it fit in the sender?
|
|
note: if there is a bottleneck router in between
|
|
us and the destination, we won't know unless
|
|
we have a way to check for that and update the
|
|
max_apdu in the address binding table. */
|
|
if ((unsigned)pdu_len < max_apdu)
|
|
{
|
|
tsm_set_confirmed_unsegmented_transaction(
|
|
invoke_id,
|
|
&dest,
|
|
&Handler_Transmit_Buffer[0],
|
|
pdu_len);
|
|
bytes_sent = datalink_send_pdu(
|
|
&dest, // destination address
|
|
&Handler_Transmit_Buffer[0],
|
|
pdu_len); // number of bytes of data
|
|
if (bytes_sent <= 0)
|
|
fprintf(stderr,"Failed to Send DeviceCommunicationControl Request (%s)!\n",
|
|
strerror(errno));
|
|
}
|
|
else
|
|
fprintf(stderr,"Failed to Send DeviceCommunicationControl Request "
|
|
"(exceeds destination maximum APDU)!\n");
|
|
}
|
|
|
|
return invoke_id;
|
|
}
|
|
|