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bacnet-stack/demo/server/main.c
Patrick Grimm e73ae1f05a aktivate uci update
2014-05-18 16:45:59 +02:00

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/**************************************************************************
*
* Copyright (C) 2006 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*********************************************************************/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include "config.h"
#include "server.h"
#include "address.h"
#include "bacdef.h"
#include "handlers.h"
#include "client.h"
#include "dlenv.h"
#include "bacdcode.h"
#include "npdu.h"
#include "apdu.h"
#include "iam.h"
#include "tsm.h"
#include "device.h"
#include "bacfile.h"
#include "datalink.h"
#include "dcc.h"
#include "getevent.h"
#include "net.h"
#include "txbuf.h"
#include "lc.h"
#include "version.h"
/* include the device object */
#include "device.h"
#include "trendlog.h"
#if defined(INTRINSIC_REPORTING)
#include "nc.h"
#endif /* defined(INTRINSIC_REPORTING) */
#if defined(BACFILE)
#include "bacfile.h"
#endif /* defined(BACFILE) */
#include "ucix.h"
#include "av.h"
#include "ao.h"
#include "bi.h"
#include "msv.h"
/** @file server/main.c Example server application using the BACnet Stack. */
/* (Doxygen note: The next two lines pull all the following Javadoc
* into the ServerDemo module.) */
/** @addtogroup ServerDemo */
/*@{*/
/** Buffer used for receiving */
static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
/** Initialize the handlers we will utilize.
* @see Device_Init, apdu_set_unconfirmed_handler, apdu_set_confirmed_handler
*/
static void Init_Service_Handlers(
void)
{
Device_Init(NULL);
/* we need to handle who-is to support dynamic device binding */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_HAS, handler_who_has);
/* handle i-am to support binding to other devices */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM, handler_i_am_bind);
/* set the handler for all the services we don't implement */
/* It is required to send the proper reject message... */
apdu_set_unrecognized_service_handler_handler
(handler_unrecognized_service);
/* Set the handlers for any confirmed services that we support. */
/* We must implement read property - it's required! */
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
handler_read_property);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROP_MULTIPLE,
handler_read_property_multiple);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY,
handler_write_property);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROP_MULTIPLE,
handler_write_property_multiple);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_RANGE,
handler_read_range);
#if defined(BACFILE)
apdu_set_confirmed_handler(SERVICE_CONFIRMED_ATOMIC_READ_FILE,
handler_atomic_read_file);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_ATOMIC_WRITE_FILE,
handler_atomic_write_file);
#endif
apdu_set_confirmed_handler(SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
handler_reinitialize_device);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_UTC_TIME_SYNCHRONIZATION,
handler_timesync_utc);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_TIME_SYNCHRONIZATION,
handler_timesync);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_SUBSCRIBE_COV,
handler_cov_subscribe);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_COV_NOTIFICATION,
handler_ucov_notification);
/* handle communication so we can shutup when asked */
apdu_set_confirmed_handler(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL,
handler_device_communication_control);
/* handle the data coming back from private requests */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_PRIVATE_TRANSFER,
handler_unconfirmed_private_transfer);
#if defined(INTRINSIC_REPORTING)
apdu_set_confirmed_handler(SERVICE_CONFIRMED_ACKNOWLEDGE_ALARM,
handler_alarm_ack);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_GET_EVENT_INFORMATION,
handler_get_event_information);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_GET_ALARM_SUMMARY,
handler_get_alarm_summary);
#endif /* defined(INTRINSIC_REPORTING) */
}
/** Main function of server demo.
*
* @see Device_Set_Object_Instance_Number, dlenv_init, Send_I_Am,
* datalink_receive, npdu_handler,
* dcc_timer_seconds, bvlc_maintenance_timer,
* Load_Control_State_Machine_Handler, handler_cov_task,
* tsm_timer_milliseconds
*
* @param argc [in] Arg count.
* @param argv [in] Takes one argument: the Device Instance #.
* @return 0 on success.
*/
int main(
int argc,
char *argv[])
{
BACNET_ADDRESS src = {
0
}; /* address where message came from */
uint16_t pdu_len = 0;
unsigned timeout = 1; /* milliseconds */
time_t last_seconds = 0;
time_t current_seconds = 0;
uint32_t elapsed_seconds = 0;
uint32_t elapsed_milliseconds = 0;
uint32_t address_binding_tmr = 0;
uint32_t recipient_scan_tmr = 0;
int uci_id = 0;
float val_f, pval_f;
int val_i, pval_i;
struct uci_context *ctx;
time_t chk_mtime = 0;
time_t ucimodtime_bacnet_bi = 0;
time_t ucimodtime_bacnet_av = 0;
time_t ucimodtime_bacnet_ao = 0;
time_t ucimodtime_bacnet_mv = 0;
int uci_idx = 0;
char *section;
char *type;
char *pEnv = NULL;
int rewrite;
pEnv = getenv("UCI_SECTION");
ctx = ucix_init("bacnet_dev");
#if PRINT_ENABLED
if(!ctx)
fprintf(stderr, "Failed to load config file bacnet_dev\n");
#endif
uci_id = ucix_get_option_int(ctx, "bacnet_dev", pEnv, "id", 0);
if (uci_id != 0) {
Device_Set_Object_Instance_Number(uci_id);
} else {
/* allow the device ID to be set */
if (argc > 1)
Device_Set_Object_Instance_Number(strtol(argv[1], NULL, 0));
}
if(ctx)
ucix_cleanup(ctx);
#if PRINT_ENABLED
printf("BACnet Server with uci\n" "BACnet Stack Version %s\n"
"BACnet Device ID: %u\n" "Max APDU: %d\n", BACnet_Version,
Device_Object_Instance_Number(), MAX_APDU);
#endif
/* load any static address bindings to show up
in our device bindings list */
address_init();
Init_Service_Handlers();
dlenv_init();
atexit(datalink_cleanup);
/* configure the timeout values */
last_seconds = time(NULL);
/* broadcast an I-Am on startup */
Send_I_Am(&Handler_Transmit_Buffer[0]);
/* loop forever */
for (;;) {
/* input */
current_seconds = time(NULL);
/* returns 0 bytes on timeout */
pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
/* process */
if (pdu_len) {
npdu_handler(&src, &Rx_Buf[0], pdu_len);
}
/* at least one second has passed */
elapsed_seconds = (uint32_t) (current_seconds - last_seconds);
if (elapsed_seconds) {
last_seconds = current_seconds;
dcc_timer_seconds(elapsed_seconds);
#if defined(BACDL_BIP) && BBMD_ENABLED
bvlc_maintenance_timer(elapsed_seconds);
#endif
dlenv_maintenance_timer(elapsed_seconds);
Load_Control_State_Machine_Handler();
elapsed_milliseconds = elapsed_seconds * 1000;
handler_cov_timer_seconds(elapsed_seconds);
tsm_timer_milliseconds(elapsed_milliseconds);
trend_log_timer(elapsed_seconds);
#if defined(INTRINSIC_REPORTING)
Device_local_reporting();
#endif
}
handler_cov_task();
/* scan cache address */
address_binding_tmr += elapsed_seconds;
if (address_binding_tmr >= 60) {
address_cache_timer(address_binding_tmr);
address_binding_tmr = 0;
}
#if defined(INTRINSIC_REPORTING)
/* try to find addresses of recipients */
recipient_scan_tmr += elapsed_seconds;
if (recipient_scan_tmr >= NC_RESCAN_RECIPIENTS_SECS) {
Notification_Class_find_recipient();
recipient_scan_tmr = 0;
}
#endif
//#if false
/* output */
rewrite++;
if (rewrite>10000) {
rewrite=0;
printf("rewrite %i\n", rewrite);
}
/* update Analog Value from uci */
section = "bacnet_av";
type = "av";
chk_mtime = 0;
chk_mtime = check_uci_update(section, ucimodtime_bacnet_av);
if ( rewrite == 0) {
chk_mtime = ucimodtime_bacnet_av;
#if PRINT_ENABLED
printf("rewrite %i\n", rewrite);
#endif
}
if(chk_mtime != 0) {
sleep(1);
ucimodtime_bacnet_av = chk_mtime;
#if PRINT_ENABLED
printf("Config changed, reloading %s\n",section);
#endif
ctx = ucix_init(section);
struct uci_itr_ctx itr;
value_tuple_t *cur;
itr.list = NULL;
itr.section = section;
itr.ctx = ctx;
ucix_for_each_section_type(ctx, section, type,
(void *)load_value, &itr);
for( cur = itr.list; cur; cur = cur->next ) {
#if PRINT_ENABLED
printf("section %s idx %s \n", section, cur->idx);
#endif
val_f = strtof(cur->value,NULL);
uci_idx = atoi(cur->idx);
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("value %s\n",cur->value);
#endif
pval_f = Analog_Value_Present_Value(uci_idx);
if ( val_f != pval_f ) {
Analog_Value_Present_Value_Set(uci_idx,val_f,16);
}
if (cur->Out_Of_Service == 0) {
if (Analog_Value_Out_Of_Service(uci_idx))
Analog_Value_Out_Of_Service_Set(uci_idx,0);
if (Analog_Value_Reliability(uci_idx))
Analog_Value_Reliability_Set(uci_idx,
RELIABILITY_NO_FAULT_DETECTED);
} else {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("Out_Of_Service\n");
#endif
Analog_Value_Out_Of_Service_Set(uci_idx,1);
Analog_Value_Reliability_Set(uci_idx,
RELIABILITY_COMMUNICATION_FAILURE);
}
}
ucix_cleanup(ctx);
}
/* update end */
/* update Analog Value from uci */
section = "bacnet_ao";
type = "ao";
chk_mtime = 0;
chk_mtime = check_uci_update(section, ucimodtime_bacnet_ao);
if ( rewrite == 0) {
chk_mtime = ucimodtime_bacnet_ao;
}
if(chk_mtime != 0) {
sleep(1);
ucimodtime_bacnet_ao = chk_mtime;
#if PRINT_ENABLED
printf("Config changed, reloading %s\n",section);
#endif
ctx = ucix_init(section);
struct uci_itr_ctx itr;
value_tuple_t *cur;
itr.list = NULL;
itr.section = section;
itr.ctx = ctx;
ucix_for_each_section_type(ctx, section, type,
(void *)load_value, &itr);
for( cur = itr.list; cur; cur = cur->next ) {
#if PRINT_ENABLED
printf("section %s idx %s \n", section, cur->idx);
#endif
val_f = strtof(cur->value,NULL);
uci_idx = atoi(cur->idx);
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("value %s\n",cur->value);
#endif
pval_f = Analog_Output_Present_Value(uci_idx);
if ( val_f != pval_f ) {
Analog_Output_Present_Value_Set(uci_idx,val_f,16);
}
if (cur->Out_Of_Service == 0) {
if (Analog_Output_Out_Of_Service(uci_idx))
Analog_Output_Out_Of_Service_Set(uci_idx,0);
if (Analog_Output_Reliability(uci_idx))
Analog_Output_Reliability_Set(uci_idx,
RELIABILITY_NO_FAULT_DETECTED);
} else {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("Out_Of_Service\n");
#endif
Analog_Output_Out_Of_Service_Set(uci_idx,1);
Analog_Output_Reliability_Set(uci_idx,
RELIABILITY_COMMUNICATION_FAILURE);
}
}
ucix_cleanup(ctx);
}
/* update end */
/* update Multistate Value from uci */
section = "bacnet_mv";
type = "mv";
chk_mtime = 0;
chk_mtime = check_uci_update(section, ucimodtime_bacnet_mv);
if ( rewrite == 0) {
chk_mtime = ucimodtime_bacnet_mv;
}
if(chk_mtime != 1) {
ucimodtime_bacnet_mv = chk_mtime;
#if PRINT_ENABLED
printf("Config changed, reloading %s\n",section);
#endif
ctx = ucix_init(section);
struct uci_itr_ctx itr;
value_tuple_t *cur;
itr.list = NULL;
itr.section = section;
itr.ctx = ctx;
ucix_for_each_section_type(ctx, section, type,
(void *)load_value, &itr);
for( cur = itr.list; cur; cur = cur->next ) {
#if PRINT_ENABLED
printf("section %s idx %s \n", section, cur->idx);
#endif
val_f = strtof(cur->value,NULL);
uci_idx = atoi(cur->idx);
if (val_f || !strcmp(cur->value, "0")) {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("value %s\n",cur->value);
#endif
pval_f = Multistate_Value_Present_Value(uci_idx);
if ( val_f != pval_f ) {
Multistate_Value_Present_Value_Set(uci_idx,val_f,16);
}
if (Multistate_Value_Out_Of_Service(uci_idx))
Multistate_Value_Out_Of_Service_Set(uci_idx,0);
if (Multistate_Value_Reliability(uci_idx))
Multistate_Value_Reliability_Set(uci_idx,
RELIABILITY_NO_FAULT_DETECTED);
} else {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("Out_Of_Service\n");
#endif
Multistate_Value_Out_Of_Service_Set(uci_idx,1);
Multistate_Value_Reliability_Set(uci_idx,
RELIABILITY_COMMUNICATION_FAILURE);
}
if (cur->Out_Of_Service == 0) {
if (Multistate_Value_Out_Of_Service(uci_idx))
Multistate_Value_Out_Of_Service_Set(uci_idx,0);
if (Multistate_Value_Reliability(uci_idx))
Multistate_Value_Reliability_Set(uci_idx,
RELIABILITY_NO_FAULT_DETECTED);
} else {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("Out_Of_Service\n");
#endif
Multistate_Value_Out_Of_Service_Set(uci_idx,1);
Multistate_Value_Reliability_Set(uci_idx,
RELIABILITY_COMMUNICATION_FAILURE);
}
}
ucix_cleanup(ctx);
}
/* update end */
/* update Binary Input from uci */
section = "bacnet_bi";
type = "bi";
chk_mtime = 0;
chk_mtime = check_uci_update(section, ucimodtime_bacnet_bi);
if ( rewrite == 0) {
chk_mtime = ucimodtime_bacnet_bi;
}
if(chk_mtime != 0) {
ucimodtime_bacnet_bi = chk_mtime;
#if PRINT_ENABLED
printf("Config changed, reloading %s\n",section);
#endif
ctx = ucix_init(section);
struct uci_itr_ctx itr;
value_tuple_t *cur;
itr.list = NULL;
itr.section = section;
itr.ctx = ctx;
ucix_for_each_section_type(ctx, section, type,
(void *)load_value, &itr);
for( cur = itr.list; cur; cur = cur->next ) {
#if PRINT_ENABLED
printf("section %s idx %s \n", section, cur->idx);
#endif
if (cur->value) {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("value %s\n",cur->value);
#endif
val_i = atoi(cur->value);
uci_idx = atoi(cur->idx);
pval_i = Binary_Input_Present_Value(uci_idx);
if ( val_i != pval_i ) {
Binary_Input_Present_Value_Set(uci_idx,val_i,16);
}
}
if (cur->Out_Of_Service == 0) {
if (Binary_Input_Out_Of_Service(uci_idx))
Binary_Input_Out_Of_Service_Set(uci_idx,0);
if (Binary_Input_Reliability(uci_idx))
Binary_Input_Reliability_Set(uci_idx,
RELIABILITY_NO_FAULT_DETECTED);
} else {
#if PRINT_ENABLED
printf("idx %s ",cur->idx);
printf("Out_Of_Service\n");
#endif
Binary_Input_Out_Of_Service_Set(uci_idx,1);
Binary_Input_Reliability_Set(uci_idx,
RELIABILITY_COMMUNICATION_FAILURE);
}
}
ucix_cleanup(ctx);
}
/* update end */
//#endif
/* blink LEDs, Turn on or off outputs, etc */
}
return 0;
}
/* @} */
/* End group ServerDemo */
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