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bacnet-stack/demo/server/main.c

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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 "filename.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) */
#if defined(BAC_UCI)
#include "ucix.h"
#endif /* defined(BAC_UCI) */
/** @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);
#if 0
/* BACnet Testing Observed Incident oi00107
Server only devices should not indicate that they EXECUTE I-Am
Revealed by BACnet Test Client v1.8.16 ( www.bac-test.com/bacnet-test-client-download )
BITS: BIT00040
Any discussions can be directed to edward@bac-test.com
Please feel free to remove this comment when my changes accepted after suitable time for
review by all interested parties. Say 6 months -> September 2016 */
/* In this demo, we are the server only ( BACnet "B" device ) so we do not indicate
that we can execute the I-Am message */
/* handle i-am to support binding to other devices */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM, handler_i_am_bind);
#endif
/* 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) */
#if defined(BACNET_TIME_MASTER)
handler_timesync_init();
#endif
}
static void print_usage(const char *filename)
{
printf("Usage: %s [device-instance [device-name]]\n", filename);
printf(" [--version][--help]\n");
}
static void print_help(const char *filename)
{
printf("Simulate a BACnet server device\n"
"device-instance:\n"
"BACnet Device Object Instance number that you are\n"
"trying simulate.\n"
"device-name:\n"
"The Device object-name is the text name for the device.\n"
"\nExample:\n");
printf("To simulate Device 123, use the following command:\n"
"%s 123\n", filename);
printf("To simulate Device 123 named Fred, use following command:\n"
"%s 123 Fred\n", filename);
}
/** 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;
#if defined(BACNET_TIME_MASTER)
BACNET_DATE_TIME bdatetime;
#endif
#if defined(BAC_UCI)
int uciId = 0;
struct uci_context *ctx;
#endif
int argi = 0;
const char *filename = NULL;
filename = filename_remove_path(argv[0]);
for (argi = 1; argi < argc; argi++) {
if (strcmp(argv[argi], "--help") == 0) {
print_usage(filename);
print_help(filename);
return 0;
}
if (strcmp(argv[argi], "--version") == 0) {
printf("%s %s\n", filename, BACNET_VERSION_TEXT);
printf("Copyright (C) 2014 by Steve Karg and others.\n"
"This is free software; see the source for copying conditions.\n"
"There is NO warranty; not even for MERCHANTABILITY or\n"
"FITNESS FOR A PARTICULAR PURPOSE.\n");
return 0;
}
}
#if defined(BAC_UCI)
ctx = ucix_init("bacnet_dev");
if (!ctx)
fprintf(stderr, "Failed to load config file bacnet_dev\n");
uciId = ucix_get_option_int(ctx, "bacnet_dev", "0", "Id", 0);
printf("ID: %i", uciId);
if (uciId != 0) {
Device_Set_Object_Instance_Number(uciId);
} else {
#endif /* defined(BAC_UCI) */
/* allow the device ID to be set */
if (argc > 1) {
Device_Set_Object_Instance_Number(strtol(argv[1], NULL, 0));
}
if (argc > 2) {
Device_Object_Name_ANSI_Init(argv[2]);
}
#if defined(BAC_UCI)
}
ucix_cleanup(ctx);
#endif /* defined(BAC_UCI) */
printf("BACnet Server Demo\n" "BACnet Stack Version %s\n"
"BACnet Device ID: %u\n" "Max APDU: %d\n", BACnet_Version,
Device_Object_Instance_Number(), MAX_APDU);
/* 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
#if defined(BACNET_TIME_MASTER)
Device_getCurrentDateTime(&bdatetime);
handler_timesync_task(&bdatetime);
#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
/* output */
/* blink LEDs, Turn on or off outputs, etc */
}
return 0;
}
/* @} */
/* End group ServerDemo */
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