adjust root folder
This commit is contained in:
Steve Karg
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/**************************************************************************
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*
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* Copyright (C) 2005 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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#include <stddef.h>
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#include <stdint.h>
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#include <errno.h>
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#include <string.h>
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#include "config.h"
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#include "txbuf.h"
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#include "bacdef.h"
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#include "bacdcode.h"
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#include "address.h"
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#include "tsm.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 "datalink.h"
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#include "dcc.h"
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#include "whois.h"
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#include "bacenum.h"
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/* some demo stuff needed */
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#include "handlers.h"
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#include "txbuf.h"
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#include "client.h"
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/** @file s_whois.c Send a Who-Is request. */
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/** Send a Who-Is request to a remote network for a specific device, a range,
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* or any device.
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* If low_limit and high_limit both are -1, then the range is unlimited.
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* If low_limit and high_limit have the same non-negative value, then only
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* that device will respond.
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* Otherwise, low_limit must be less than high_limit.
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* @param target_address [in] BACnet address of target router
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* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
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* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
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*/
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void Send_WhoIs_To_Network(
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BACNET_ADDRESS * target_address,
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int32_t low_limit,
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int32_t high_limit)
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{
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int len = 0;
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int pdu_len = 0;
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int bytes_sent = 0;
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BACNET_NPDU_DATA npdu_data;
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BACNET_ADDRESS my_address;
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datalink_get_my_address(&my_address);
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/* encode the NPDU portion of the packet */
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npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
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pdu_len =
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npdu_encode_pdu(&Handler_Transmit_Buffer[0], target_address,
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&my_address, &npdu_data);
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/* encode the APDU portion of the packet */
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len =
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whois_encode_apdu(&Handler_Transmit_Buffer[pdu_len], low_limit,
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high_limit);
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pdu_len += len;
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bytes_sent =
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datalink_send_pdu(target_address, &npdu_data,
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&Handler_Transmit_Buffer[0], pdu_len);
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#if PRINT_ENABLED
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if (bytes_sent <= 0)
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fprintf(stderr, "Failed to Send Who-Is Request (%s)!\n",
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strerror(errno));
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#endif
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}
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/** Send a global Who-Is request for a specific device, a range, or any device.
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* If low_limit and high_limit both are -1, then the range is unlimited.
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* If low_limit and high_limit have the same non-negative value, then only
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* that device will respond.
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* Otherwise, low_limit must be less than high_limit.
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* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
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* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
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*/
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void Send_WhoIs_Global(
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int32_t low_limit,
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int32_t high_limit)
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{
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BACNET_ADDRESS dest;
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if (!dcc_communication_enabled())
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return;
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/* Who-Is is a global broadcast */
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datalink_get_broadcast_address(&dest);
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Send_WhoIs_To_Network(&dest, low_limit, high_limit);
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}
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/** Send a local Who-Is request for a specific device, a range, or any device.
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* If low_limit and high_limit both are -1, then the range is unlimited.
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* If low_limit and high_limit have the same non-negative value, then only
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* that device will respond.
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* Otherwise, low_limit must be less than high_limit.
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* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
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* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
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*/
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void Send_WhoIs_Local(
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int32_t low_limit,
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int32_t high_limit)
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{
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BACNET_ADDRESS dest;
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char temp[6];
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int loop;
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if (!dcc_communication_enabled())
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return;
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/* Who-Is is a global broadcast */
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datalink_get_broadcast_address(&dest);
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/* encode the NPDU portion of the packet */
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/* I added this to make it a local broadcast */
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dest.net = 0;
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/* Not sure why this happens but values are backwards so they need to be reversed */
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temp[0] = dest.mac[3];
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temp[1] = dest.mac[2];
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temp[2] = dest.mac[1];
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temp[3] = dest.mac[0];
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temp[4] = dest.mac[5];
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temp[5] = dest.mac[4];
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for (loop = 0; loop < 6; loop++) {
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dest.mac[loop] = temp[loop];
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}
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Send_WhoIs_To_Network(&dest, low_limit, high_limit);
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}
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/** Send a Who-Is request to a remote network for a specific device, a range,
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* or any device.
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* @ingroup DMDDB
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* If low_limit and high_limit both are -1, then the range is unlimited.
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* If low_limit and high_limit have the same non-negative value, then only
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* that device will respond.
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* Otherwise, low_limit must be less than high_limit.
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* @param target_address [in] BACnet address of target router
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* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
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* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
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*/
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void Send_WhoIs_Remote(
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BACNET_ADDRESS * target_address,
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int32_t low_limit,
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int32_t high_limit)
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{
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if (!dcc_communication_enabled())
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return;
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Send_WhoIs_To_Network(target_address, low_limit, high_limit);
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}
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/** Send a global Who-Is request for a specific device, a range, or any device.
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* @ingroup DMDDB
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* This was the original Who-Is broadcast but the code was moved to the more
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* descriptive Send_WhoIs_Global when Send_WhoIs_Local and Send_WhoIsRemote was
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* added.
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* If low_limit and high_limit both are -1, then the range is unlimited.
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* If low_limit and high_limit have the same non-negative value, then only
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* that device will respond.
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* Otherwise, low_limit must be less than high_limit.
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* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
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* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
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*/
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void Send_WhoIs(
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int32_t low_limit,
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int32_t high_limit)
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{
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Send_WhoIs_Global(low_limit, high_limit);
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}
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