bacnet/runtime/server.c
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Sat, 29 Sep 2018 15:31:50 +0300
changeset 2384 d7d9f0e60bc9
parent 2187 c6321473fac1
child 2261 37ef7a3c6b8b
permissions -rw-r--r--
clean etherlab: pep8, E122 continuation line missing indentation or outdented
2020
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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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* Copyright (C) 2017 Mario de Sousa <msousa@fe.up.pt>
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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 <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <time.h>
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#include <inttypes.h>  // uint32_t, ..., PRIu32, ...
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#include "config_bacnet_for_beremiz_%(locstr)s.h"     /* the custom configuration for beremiz pluginh  */
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#include "server_%(locstr)s.h"
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#include "address.h"
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#include "bacdef.h"
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#include "handlers.h"
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#include "client.h"
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#include "dlenv.h"
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#include "bacdcode.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "iam.h"
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#include "tsm.h"
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#include "datalink.h"
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#include "dcc.h"
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#include "getevent.h"
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#include "net.h"
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#include "txbuf.h"
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#include "version.h"
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#include "timesync.h"
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/* A utility function used by most (all?) implementations of BACnet Objects */
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/* Adds to Prop_List all entries in Prop_List_XX that are not
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 * PROP_OBJECT_IDENTIFIER, PROP_OBJECT_NAME, PROP_OBJECT_TYPE, PROP_PROPERTY_LIST
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 * and returns the number of elements that were added
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 */
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int BACnet_Init_Properties_List(
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          int *Prop_List, 
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    const int *Prop_List_XX) {
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    unsigned int i = 0;
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    unsigned int j = 0;
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    for (j = 0; Prop_List_XX[j] >= 0; j++)
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        // Add any propety, except for the following 4 which should not be included
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        // in the Property_List property array.
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        //  (see ASHRAE 135-2016, for example section 12.4.34)
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        if ((Prop_List_XX[j] != PROP_OBJECT_IDENTIFIER) &&
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            (Prop_List_XX[j] != PROP_OBJECT_NAME)       &&
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            (Prop_List_XX[j] != PROP_OBJECT_TYPE)       &&
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            (Prop_List_XX[j] != PROP_PROPERTY_LIST)) {
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            Prop_List[i] = Prop_List_XX[j];
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            i++;
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        }
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    Prop_List[i] = -1; // marks the end of the list!
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    return i;
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}
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int BACnet_encode_character_string(uint8_t *apdu, const char *str) {
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    BACNET_CHARACTER_STRING   char_string;
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    characterstring_init_ansi(&char_string, str);
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    /* FIXME: this might go beyond MAX_APDU length! */
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    return encode_application_character_string(apdu, &char_string);
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}
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/* macro that always returns false.
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 * To be used as the 'test_null' parameter to the BACnet_encode_array macro
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 * in situations where we should never encode_null() values.
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 */
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#define retfalse(x) (false)
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#define BACnet_encode_array(array, array_len, test_null, encode_function)                  \
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{                                                                                           \
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    uint8_t *apdu = NULL;                                                                   \
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    apdu = rpdata->application_data;                                                        \
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                                                                                            \
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    switch (rpdata->array_index) {                                                          \
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      case 0: /* Array element zero is the number of elements in the array */               \
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        apdu_len = encode_application_unsigned(&apdu[0], array_len);                        \
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        break;                                                                              \
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      case BACNET_ARRAY_ALL: {                                                              \
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        /* if no index was specified, then try to encode the entire list */                 \
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        unsigned i = 0;                                                                     \
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        apdu_len   = 0;                                                                     \
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        for (i = 0; i < array_len; i++) {                                                   \
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            /* FIXME: this might go beyond MAX_APDU length! */                              \
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            if (!test_null(array[i]))                                                       \
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                  apdu_len += encode_function        (&apdu[apdu_len], array[i]);           \
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            else  apdu_len += encode_application_null(&apdu[apdu_len]);                     \
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            /* return error if it does not fit in the APDU */                               \
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            if (apdu_len >= MAX_APDU) {                                                     \
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                rpdata->error_class = ERROR_CLASS_SERVICES;                                 \
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                rpdata->error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;                        \
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                apdu_len = BACNET_STATUS_ERROR;                                             \
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                break; /* for(;;) */                                                        \
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            }                                                                               \
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        }                                                                                   \
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        break;                                                                              \
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      }                                                                                     \
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      default:                                                                              \
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        if (rpdata->array_index <= array_len) {                                             \
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            if (!test_null(array[rpdata->array_index - 1]))                                 \
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                  apdu_len += encode_function(&apdu[0], array[rpdata->array_index - 1]);    \
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            else  apdu_len += encode_application_null(&apdu[0]);                            \
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        } else {                                                                            \
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            rpdata->error_class = ERROR_CLASS_PROPERTY;                                     \
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            rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;                            \
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            apdu_len = BACNET_STATUS_ERROR;                                                 \
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        }                                                                                   \
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        break;                                                                              \
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    } /* switch() */                                                                        \
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}
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   142
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/* include the device object */
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#include "device_%(locstr)s.c"
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#include "ai_%(locstr)s.c"
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#include "ao_%(locstr)s.c"
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#include "av_%(locstr)s.c"
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#include "bi_%(locstr)s.c"
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#include "bo_%(locstr)s.c"
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#include "bv_%(locstr)s.c"
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#include "msi_%(locstr)s.c"
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#include "mso_%(locstr)s.c"
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#include "msv_%(locstr)s.c"
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/** Buffer used for receiving */
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static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
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/*******************************************************/
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/* BACnet Service Handlers taylored to Beremiz plugin  */ 
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/*******************************************************/
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   165
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static void BACNET_show_date_time(
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    BACNET_DATE * bdate,
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    BACNET_TIME * btime)
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{
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    /* show the date received */
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    fprintf(stderr, "%%u", (unsigned) bdate->year);
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    fprintf(stderr, "/%%u", (unsigned) bdate->month);
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    fprintf(stderr, "/%%u", (unsigned) bdate->day);
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    /* show the time received */
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    fprintf(stderr, " %%02u", (unsigned) btime->hour);
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    fprintf(stderr, ":%%02u", (unsigned) btime->min);
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    fprintf(stderr, ":%%02u", (unsigned) btime->sec);
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    fprintf(stderr, ".%%02u", (unsigned) btime->hundredths);
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    fprintf(stderr, "\r\n");
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}
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   181
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static time_t __timegm(struct tm *new_time) {
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    time_t     sec =  mktime(new_time);  /* assume new_time is in local time */
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   184
    
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    /* sec will be an aproximation of the correct value. 
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     * We must now fix this with the current difference
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     * between UTC and localtime.
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     * 
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     * WARNING: The following algorithm to determine the current
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     *          difference between local time and UTC will not 
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     *          work if each value (lcl and utc) falls on a different
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     *          side of a change to/from DST.
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     *          For example, assume a change to DST is made at 12h00 
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     *          of day X. The following algorithm does not work if:
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     *            - lcl falls before 12h00 of day X
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     *            - utc falls after  12h00 of day X
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     */
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    struct  tm lcl = *localtime(&sec); // lcl will be == new_time
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    struct  tm utc = *gmtime   (&sec);
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   200
    
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    if (lcl.tm_isdst == 1)  utc.tm_isdst = 1;
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   202
    
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    time_t sec_lcl =  mktime(&lcl);
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    time_t sec_utc =  mktime(&utc);
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   205
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    /* difference in seconds between localtime and utc */
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    time_t sec_dif = sec_lcl - sec_utc;
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    return sec + sec_dif;
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   209
}
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   210
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   211
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static void BACNET_set_date_time(
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    BACNET_DATE * bdate,
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    BACNET_TIME * btime,
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    int utc /* set to > 0 if date & time in UTC */)
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{
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    struct tm       brokendown_time;
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    time_t          seconds = 0;
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    struct timespec ts;
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   220
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    brokendown_time.tm_sec   = btime->sec;        /* seconds 0..60    */
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    brokendown_time.tm_min   = btime->min;        /* minutes 0..59    */
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    brokendown_time.tm_hour  = btime->hour;       /* hours   0..23    */
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    brokendown_time.tm_mday  = bdate->day;        /* day of the month 1..31 */
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    brokendown_time.tm_mon   = bdate->month-1;    /* month 0..11      */
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    brokendown_time.tm_year  = bdate->year-1900;  /* years since 1900 */
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//  brokendown_time.tm_wday  = ;                  /* day of the week  */
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//  brokendown_time.tm_yday  = ;                  /* day in the year  */
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    brokendown_time.tm_isdst = -1;                /* daylight saving time (-1 => unknown) */
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   230
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    // Tranform time into format -> 'seconds since epoch'
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    /* WARNING: timegm() is a non standard GNU extension.
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     *          If you do not have it on your build system then consider
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     *          finding the source code for timegm() (it is LGPL) from GNU
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     *          C library and copying it here 
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     *          (e.g. https://code.woboq.org/userspace/glibc/time/timegm.c.html)
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     *          Another alternative is to use the fundion __timegm() above,
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     *          which will mostly work but may have errors when the time being 
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     *          converted is close to the time in the year when changing 
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     *          to/from DST (daylight saving time)
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     */
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    if (utc > 0) seconds = timegm(&brokendown_time);    
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    else         seconds = mktime(&brokendown_time);
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   244
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    ts.tv_sec  = seconds;
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    ts.tv_nsec = btime->hundredths*10*1000*1000;
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   247
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//  fprintf(stderr, "clock_settime() s=%%ul,  ns=%%u\n", ts.tv_sec, ts.tv_nsec);
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    clock_settime(CLOCK_REALTIME, &ts); 
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//  clock_gettime(CLOCK_REALTIME, &ts); 
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//  fprintf(stderr, "clock_gettime() s=%%ul,  ns=%%u\n", ts.tv_sec, ts.tv_nsec);
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}
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void BACnet_handler_timesync(
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    uint8_t * service_request,
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    uint16_t service_len,
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    BACNET_ADDRESS * src)
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{
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    int len = 0;
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    BACNET_DATE bdate;
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    BACNET_TIME btime;
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    (void) src;
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    (void) service_len;
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    len =
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        timesync_decode_service_request(service_request, service_len, &bdate, &btime);
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    if (len > 0) {
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        fprintf(stderr, "BACnet plugin: Received TimeSyncronization Request -> ");
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        BACNET_show_date_time(&bdate, &btime);
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        /* set the time */
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        BACNET_set_date_time(&bdate, &btime, 0 /* time in local time */);
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    }
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    return;
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}
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void BACnet_handler_timesync_utc(
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    uint8_t * service_request,
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    uint16_t service_len,
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    BACNET_ADDRESS * src)
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{
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    int len = 0;
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    BACNET_DATE bdate;
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    BACNET_TIME btime;
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    (void) src;
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    (void) service_len;
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    len =
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        timesync_decode_service_request(service_request, service_len, &bdate, &btime);
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    if (len > 0) {
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        fprintf(stderr, "BACnet plugin: Received TimeSyncronizationUTC Request -> ");
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        BACNET_show_date_time(&bdate, &btime);
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        /* set the time */
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        BACNET_set_date_time(&bdate, &btime, 1 /* time in UTC */);
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    }
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    return;
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}
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/**********************************************/
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/** Initialize the handlers we will utilize. **/
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/**********************************************/
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/*
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 * TLDR: The functions that will create the __Resp.__ messages.
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 * 
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 * The service handlers are the functions that will respond to BACnet requests this device receives.
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 * In essence, the service handlers will create and send the Resp. (Response) messages
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 * of the Req. -> Ind. -> Resp. -> Conf. service sequence defined in OSI
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 * (Request, Indication, Response, Confirmation)
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 * 
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 */
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static int Init_Service_Handlers(
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    void)
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{
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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(handler_unrecognized_service);
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    /* Set the handlers for any unconfirmed services that we support. */
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    apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS,  // DM-DDB-B - Dynamic Device Binding B (Resp.)
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                                   handler_who_is);           //            (see ASHRAE 135-2016, section K5.1 and K5.2)
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//  apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM,    // DM-DDB-A - Dynamic Device Binding A (Resp.)
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//                                 handler_i_am_bind);        //            Responding to I_AM requests is for clients (A)!
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//                                                            //            (see ASHRAE 135-2016, section K5.1 and K5.2)
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    apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_HAS, // DM-DOB-B - Dynamic Object Binding B (Resp.)
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                                   handler_who_has);          //            (see ASHRAE 135-2016, section K5.3 and K5.4)
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//  apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_HAVE,  // DM-DOB-A - Dynamic Object Binding A (Resp.)
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//                                 handler_i_have);           //            Responding to I_HAVE requests is for clients (A)!
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//                                                            //            (see ASHRAE 135-2016, section K5.3 and K5.4)
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    apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_UTC_TIME_SYNCHRONIZATION, // DM-UTC-B -UTCTimeSynchronization-B (Resp.)
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                                 BACnet_handler_timesync_utc);                 //            (see ASHRAE 135-2016, section K5.14)
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    apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_TIME_SYNCHRONIZATION,     // DM-TS-B - TimeSynchronization-B (Resp.)
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                                 BACnet_handler_timesync);                     //            (see ASHRAE 135-2016, section K5.12)
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    /* Set the handlers for any confirmed services that we support. */
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    apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,      // DS-RP-B - Read Property B (Resp.)
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                                 handler_read_property);             //            (see ASHRAE 135-2016, section K1.2)
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//  apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROP_MULTIPLE, // DS-RPM-B -Read Property Multiple-B (Resp.)
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//                               handler_read_property_multiple);    //            (see ASHRAE 135-2016, section K1.4)
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    apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY,     // DS-WP-B - Write Property B (Resp.)
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                                 handler_write_property);            //            (see ASHRAE 135-2016, section K1.8)
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//  apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROP_MULTIPLE,// DS-WPM-B -Write Property Multiple B (Resp.)
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//                               handler_write_property_multiple);   //            (see ASHRAE 135-2016, section K1.10)
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//  apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_RANGE,
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//                               handler_read_range);
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//  apdu_set_confirmed_handler(SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
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//                               handler_reinitialize_device);
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//  apdu_set_confirmed_handler(SERVICE_CONFIRMED_SUBSCRIBE_COV,
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//                               handler_cov_subscribe);
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//  apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_COV_NOTIFICATION,
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//                               handler_ucov_notification);
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    /* handle communication so we can shutup when asked */
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    apdu_set_confirmed_handler(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL, // DM-DCC-B - Device Communication Control B
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                                 handler_device_communication_control);        //            (see ASHRAE 135-2016, section K5.6)
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//  /* handle the data coming back from private requests */
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//  apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_PRIVATE_TRANSFER,
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//                               handler_unconfirmed_private_transfer);
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   363
    
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    // success
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    return 0;
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}
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   367
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   369
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static int Init_Network_Interface(
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    const char *interface,    // for linux:   /dev/eth0, /dev/eth1, /dev/wlan0, ...
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                              // for windows: 192.168.0.1 (IP addr. of interface)
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   373
                              // NULL => use default!
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   374
    const char *port,         // Port the server will listen on. (NULL => use default)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   375
    const char *apdu_timeout, // (NULL => use default)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   376
    const char *apdu_retries  // (NULL => use default)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   377
   )
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   378
{
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   379
    char datalink_layer[4];
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   380
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   381
    strcpy(datalink_layer, "BIP"); // datalink_set() does not accpet const char *, so we copy it...
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   382
//  BIP_Debug = true;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   383
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   384
    if (port != NULL) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   385
        bip_set_port(htons((uint16_t) strtol(port, NULL, 0)));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   386
    } else {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   387
            bip_set_port(htons(0xBAC0));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   388
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   389
    
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   390
    if (apdu_timeout != NULL) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   391
        apdu_timeout_set((uint16_t) strtol(apdu_timeout, NULL, 0));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   392
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   393
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   394
    if (apdu_retries != NULL) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   395
        apdu_retries_set((uint8_t) strtol(apdu_retries, NULL, 0));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   396
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   397
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   398
    // datalink_init is a pointer that will actually call bip_init()
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   399
    // datalink_init pointer is set by the call datalink_set("BIP")
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   400
    /* NOTE: current implementation of BACnet stack uses the interface
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   401
     *       only to determine the server's local IP address and broacast address.
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   402
     *       The local IP addr is later used to discard (broadcast) messages
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   403
     *       it receives that were sent by itself.
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   404
     *       The broadcast IP addr is used for broadcast messages.
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   405
     *       WARNING: The socket itself is created to listen on all 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   406
     *       available interfaces (INADDR_ANY), so this setting may induce
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   407
     *       the user in error as we will accept messages arriving on other
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   408
     *       interfaces (if they exist)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   409
     *       (see bip_init() in ports/linux/bip-init.c)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   410
     *       (see bip_****() in src/bip.c)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   411
     */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   412
    char *tmp = (char *)malloc(strlen(interface) + 1);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   413
    if (tmp == NULL) return -1;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   414
    strncpy(tmp, interface, strlen(interface) + 1);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   415
    if (!datalink_init(tmp)) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   416
        return -1;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   417
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   418
// #if (MAX_TSM_TRANSACTIONS)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   419
//     pEnv = getenv("BACNET_INVOKE_ID");
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   420
//     if (pEnv) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   421
//         tsm_invokeID_set((uint8_t) strtol(pEnv, NULL, 0));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   422
//     }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   423
// #endif
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   424
    dlenv_register_as_foreign_device();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   425
    
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   426
    // success
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   427
    return 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   428
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   429
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   430
2187
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   431
// This mutex blocks execution of __init_%(locstr)s() until initialization is done
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   432
static int init_done = 0;
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   433
static pthread_mutex_t init_done_lock = PTHREAD_MUTEX_INITIALIZER;
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   434
static pthread_cond_t init_done_cond = PTHREAD_COND_INITIALIZER;
2020
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   435
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   436
/** Main function of server demo. **/
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   437
int bn_server_run(server_node_t *server_node) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   438
    int res = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   439
    BACNET_ADDRESS src = {0};  /* address where message came from */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   440
    uint16_t pdu_len = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   441
    unsigned timeout = 1000;       /* milliseconds */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   442
    time_t last_seconds = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   443
    time_t current_seconds = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   444
    uint32_t elapsed_seconds = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   445
    uint32_t elapsed_milliseconds = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   446
    uint32_t address_binding_tmr = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   447
    uint32_t recipient_scan_tmr = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   448
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   449
    /* allow the device ID to be set */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   450
    Device_Set_Object_Instance_Number(server_node->device_id);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   451
    /* load any static address bindings in our device bindings list */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   452
    address_init();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   453
    /* load any entries in the BDT table from backup file */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   454
    bvlc_bdt_restore_local();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   455
    /* Initiliaze the bacnet server 'device' */    
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   456
    Device_Init(server_node->device_name);
2187
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   457
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   458
    pthread_mutex_lock(&init_done_lock);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   459
    init_done = 1;
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   460
    pthread_cond_signal(&init_done_cond);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   461
    pthread_mutex_unlock(&init_done_lock);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   462
2020
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   463
    /* Set the password (max 31 chars) for Device Communication Control request. */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   464
    /* Default in the BACnet stack is hardcoded as "filister" */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   465
    /* (char *) cast is to remove the cast. The function is incorrectly declared/defined in the BACnet stack! */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   466
    /* BACnet stack needs to change demo/handler/h_dcc.c and include/handlers.h                               */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   467
    handler_dcc_password_set((char *)server_node->comm_control_passwd);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   468
    /* Set callbacks and configure network interface */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   469
    res = Init_Service_Handlers();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   470
    if (res < 0) exit(1);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   471
    res = Init_Network_Interface(
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   472
            server_node->network_interface, // interface    (NULL => use default (eth0))
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   473
            server_node->port_number,       // Port number  (NULL => use default (0xBAC0))
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   474
            NULL,              // apdu_timeout (NULL => use default)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   475
            NULL               // apdu_retries (NULL => use default)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   476
           );
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   477
    if (res < 0) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   478
        fprintf(stderr, "BACnet plugin: error initializing bacnet server node %%s!\n", server_node->location);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   479
        exit(1); // kill the server thread!
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   480
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   481
    /* BACnet stack correcly configured. Give user some feedback! */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   482
    struct in_addr my_addr, broadcast_addr;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   483
    my_addr.       s_addr = bip_get_addr();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   484
    broadcast_addr.s_addr = bip_get_broadcast_addr();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   485
    printf("BACnet plugin:"
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   486
                         " Local IP addr: %%s" 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   487
                        ", Broadcast IP addr: %%s" 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   488
                        ", Port number: 0x%%04X [%%hu]" 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   489
                        ", BACnet Device ID: %%d"
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   490
                        ", Max APDU: %%d"
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   491
                        ", BACnet Stack Version %%s\n",
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   492
                        inet_ntoa(my_addr),
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   493
                        inet_ntoa(broadcast_addr),
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   494
                        ntohs(bip_get_port()), ntohs(bip_get_port()),
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   495
                        Device_Object_Instance_Number(), 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   496
                        MAX_APDU,
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   497
                        Device_Firmware_Revision()
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   498
                        );
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   499
    /* configure the timeout values */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   500
    last_seconds = time(NULL);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   501
    /* broadcast an I-Am on startup */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   502
    Send_I_Am(&Handler_Transmit_Buffer[0]);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   503
    /* loop forever */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   504
    for (;;) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   505
        /* input */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   506
        current_seconds = time(NULL);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   507
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   508
        /* returns 0 bytes on timeout */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   509
        pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   510
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   511
        /* process */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   512
        if (pdu_len) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   513
            npdu_handler(&src, &Rx_Buf[0], pdu_len);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   514
        }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   515
        /* at least one second has passed */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   516
        elapsed_seconds = (uint32_t) (current_seconds - last_seconds);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   517
        if (elapsed_seconds) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   518
            last_seconds = current_seconds;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   519
            dcc_timer_seconds(elapsed_seconds);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   520
            bvlc_maintenance_timer(elapsed_seconds);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   521
            dlenv_maintenance_timer(elapsed_seconds);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   522
            elapsed_milliseconds = elapsed_seconds * 1000;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   523
            tsm_timer_milliseconds(elapsed_milliseconds);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   524
        }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   525
        handler_cov_task();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   526
        /* scan cache address */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   527
        address_binding_tmr += elapsed_seconds;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   528
        if (address_binding_tmr >= 60) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   529
            address_cache_timer(address_binding_tmr);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   530
            address_binding_tmr = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   531
        }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   532
    }
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   533
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   534
    /* should never occur!! */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   535
    return 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   536
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   537
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   538
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   539
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   540
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   541
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   542
#include <pthread.h>
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   543
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   544
static void *__bn_server_thread(void *_server_node)  {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   545
	server_node_t *server_node = _server_node;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   546
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   547
	// Enable thread cancelation. Enabled is default, but set it anyway to be safe.
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   548
	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   549
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   550
	// bn_server_run() should never return!
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   551
	bn_server_run(server_node);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   552
	fprintf(stderr, "BACnet plugin: bacnet server for node %%s died unexpectedly!\n", server_node->location); /* should never occur */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   553
	return NULL;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   554
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   555
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   556
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   557
int __cleanup_%(locstr)s ();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   558
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   559
int __init_%(locstr)s (int argc, char **argv){
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   560
	int index;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   561
2187
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   562
    init_done = 0;
2020
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   563
	/* init each local server */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   564
	/* NOTE: All server_nodes[].init_state are initialised to 0 in the code 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   565
	 *       generated by the BACnet plugin 
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   566
	 */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   567
	/* create the BACnet server */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   568
	server_node.init_state = 1; // we have created the node
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   569
	
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   570
	/* launch a thread to handle this server node */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   571
	{
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   572
		int res = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   573
		pthread_attr_t attr;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   574
		res |= pthread_attr_init(&attr);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   575
		res |= pthread_create(&(server_node.thread_id), &attr, &__bn_server_thread, (void *)&(server_node));
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   576
		if (res !=  0) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   577
			fprintf(stderr, "BACnet plugin: Error starting bacnet server thread for node %%s\n", server_node.location);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   578
			goto error_exit;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   579
		}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   580
	}
2187
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   581
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   582
    pthread_mutex_lock(&init_done_lock);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   583
    while (!init_done) {
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   584
        pthread_cond_wait(&init_done_cond, &init_done_lock);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   585
    }
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   586
    pthread_mutex_unlock(&init_done_lock);
c6321473fac1 BACnet : ensure that Init did happen before continuing with PLC startup.
Edouard Tisserant
parents: 2020
diff changeset
   587
2020
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   588
	server_node.init_state = 2; // we have created the node and thread
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   589
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   590
	return 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   591
	
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   592
error_exit:
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   593
	__cleanup_%(locstr)s ();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   594
	return -1;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   595
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   596
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   597
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   598
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   599
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   600
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   601
void __publish_%(locstr)s (){
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   602
       Analog_Value_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   603
       Analog_Input_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   604
      Analog_Output_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   605
       Binary_Value_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   606
       Binary_Input_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   607
      Binary_Output_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   608
   Multistate_Value_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   609
   Multistate_Input_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   610
  Multistate_Output_Copy_Located_Var_to_Present_Value();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   611
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   612
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   613
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   614
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   615
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   616
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   617
void __retrieve_%(locstr)s (){
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   618
       Analog_Value_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   619
       Analog_Input_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   620
      Analog_Output_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   621
       Binary_Value_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   622
       Binary_Input_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   623
      Binary_Output_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   624
   Multistate_Value_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   625
   Multistate_Input_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   626
  Multistate_Output_Copy_Present_Value_to_Located_Var();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   627
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   628
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   629
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   630
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   631
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   632
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   633
int __cleanup_%(locstr)s (){
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   634
	int index, close;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   635
	int res = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   636
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   637
	/* kill thread and close connections of each modbus server node */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   638
	close = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   639
	if (server_node.init_state >= 2) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   640
		// thread was launched, so we try to cancel it!
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   641
		close  = pthread_cancel(server_node.thread_id);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   642
		close |= pthread_join  (server_node.thread_id, NULL);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
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   643
		if (close < 0)
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   644
			fprintf(stderr, "BACnet plugin: Error closing thread for bacnet server %%s\n", server_node.location);
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   645
	}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   646
	res |= close;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   647
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   648
	close = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   649
	if (server_node.init_state >= 1) {
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   650
		// bacnet server node was created, so we try to close it!
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   651
		// datalink_cleanup is a pointer that will actually call bip_cleanup()
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   652
		// datalink_cleanup pointer is set by the call datalink_set("BIP")
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   653
		datalink_cleanup();
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   654
	}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   655
	res |= close;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   656
	server_node.init_state = 0;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   657
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   658
	/* bacnet library close */
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   659
	// Nothing to do ???
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   660
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   661
	return res;
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   662
}
6dddf3070806 Add BACnet extension from Mario de Sousa <msousa@fe.up.pt>
Edouard Tisserant
parents:
diff changeset
   663