skarg
264 lines
9.1 KiB
C
264 lines
9.1 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2006 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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/* command line tool that sends a BACnet service, and displays the reply */
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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 <time.h> /* for time */
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#include <errno.h>
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#include "bactext.h"
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#include "iam.h"
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#include "address.h"
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#include "config.h"
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#include "bacdef.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "device.h"
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#include "datalink.h"
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/* some demo stuff needed */
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#include "filename.h"
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#include "handlers.h"
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#include "client.h"
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#include "txbuf.h"
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#if defined(BACDL_MSTP)
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#include "rs485.h"
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#endif
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#include "dlenv.h"
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/* buffer used for receive */
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static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
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/* global variables used in this file */
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static int32_t Target_Object_Instance_Min = 0;
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static int32_t Target_Object_Instance_Max = BACNET_MAX_INSTANCE;
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static bool Error_Detected = false;
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void MyAbortHandler(
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BACNET_ADDRESS * src,
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uint8_t invoke_id,
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uint8_t abort_reason,
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bool server)
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{
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/* FIXME: verify src and invoke id */
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(void) src;
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(void) invoke_id;
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(void) server;
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fprintf(stderr, "BACnet Abort: %s\r\n",
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bactext_abort_reason_name(abort_reason));
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Error_Detected = true;
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}
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void MyRejectHandler(
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BACNET_ADDRESS * src,
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uint8_t invoke_id,
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uint8_t reject_reason)
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{
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/* FIXME: verify src and invoke id */
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(void) src;
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(void) invoke_id;
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fprintf(stderr, "BACnet Reject: %s\r\n",
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bactext_reject_reason_name(reject_reason));
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Error_Detected = true;
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}
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static void Init_Service_Handlers(
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void)
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{
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Device_Init();
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handler_read_property_object_set(OBJECT_DEVICE,
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Device_Encode_Property_APDU, Device_Valid_Object_Instance_Number);
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/* Note: this applications doesn't need to handle who-is
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it is confusing for the user! */
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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
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(handler_unrecognized_service);
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/* we must implement read property - it's required! */
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
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handler_read_property);
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/* handle the reply (request) coming back */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM, handler_i_am_add);
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/* handle any errors coming back */
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apdu_set_abort_handler(MyAbortHandler);
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apdu_set_reject_handler(MyRejectHandler);
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}
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static void print_address_cache(
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void)
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{
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int i, j;
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BACNET_ADDRESS address;
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uint32_t device_id = 0;
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unsigned max_apdu = 0;
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/* printf("%-7s %-14s %-4s %-5s %-14s\n", "Device", "MAC", "APDU", "SNET", "SADR"); */
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printf(";%-7s %-17s %-5s %-17s %-4s\n", "Device", "MAC", "SNET", "SADR",
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"APDU");
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printf(";------- ----------------- ----- ----------------- ----\n");
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for (i = 0; i < MAX_ADDRESS_CACHE; i++) {
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if (address_get_by_index(i, &device_id, &max_apdu, &address)) {
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printf(" %-7u ", device_id);
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for (j = 0; j < MAX_MAC_LEN; j++) {
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if (j < address.mac_len) {
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if (j > 0)
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printf(":");
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printf("%02X", address.mac[j]);
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} else {
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printf(" ");
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}
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}
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printf("%-5hu ", address.net);
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if (address.net) {
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for (j = 0; j < MAX_MAC_LEN; j++) {
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if (j < address.len) {
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if (j > 0)
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printf(":");
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printf("%02X", address.adr[j]);
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} else {
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printf(" ");
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}
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/*printf(" "); */
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}
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} else {
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printf("0 ");
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for (j = 2; j < MAX_MAC_LEN; j++) {
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printf(" ");
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}
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printf("");
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}
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printf("%-4hu ", max_apdu);
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printf("\n");
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}
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}
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}
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int main(
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int argc,
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char *argv[])
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{
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BACNET_ADDRESS src = {
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0
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}; /* address where message came from */
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uint16_t pdu_len = 0;
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unsigned timeout = 100; /* milliseconds */
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time_t total_seconds = 0;
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time_t elapsed_seconds = 0;
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time_t last_seconds = 0;
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time_t current_seconds = 0;
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time_t timeout_seconds = 0;
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if (argc < 2) {
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printf("Usage: %s device-instance | "
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"device-instance-min device-instance-max\r\n",
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filename_remove_path(argv[0]));
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return 0;
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}
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if ((argc > 1) && (strcmp(argv[1], "--help") == 0)) {
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printf("Send BACnet WhoIs service request to a device or\r\n"
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"multiple devices, and wait for responses. Displays\r\n"
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"any devices found and their network information.\r\n"
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"\r\ndevice-instance:\r\n"
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"BACnet Device Object Instance number that you are trying to\r\n"
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"send a Who-Is service request. The value should be in\r\n"
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"the range of 0 to 4194303. A range of values can also be\r\n"
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"specified by using a minimum value and a maximum value.\r\n"
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"\r\nExample:\r\n" "To send a WhoIs request to Device 123\r\n"
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"use the following command:\r\n" "%s 123\r\n"
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"To send a WhoIs request to Devices from 1000 to 9000:\r\n"
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"%s 1000 9000\r\n" "To send a WhoIs request to all devices\r\n"
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"use the following command:\r\n" "%s -1\r\n",
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filename_remove_path(argv[0]), filename_remove_path(argv[0]),
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filename_remove_path(argv[0]));
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return 0;
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}
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/* decode the command line parameters */
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if (argc < 3) {
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Target_Object_Instance_Min = strtol(argv[1], NULL, 0);
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Target_Object_Instance_Max = Target_Object_Instance_Min;
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if (Target_Object_Instance_Min > BACNET_MAX_INSTANCE) {
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fprintf(stderr,
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"object-instance-min=%u - it must be less than %u\r\n",
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Target_Object_Instance_Min, BACNET_MAX_INSTANCE + 1);
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return 1;
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}
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} else {
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Target_Object_Instance_Min = strtol(argv[1], NULL, 0);
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Target_Object_Instance_Max = strtol(argv[2], NULL, 0);
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if (Target_Object_Instance_Min > BACNET_MAX_INSTANCE) {
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fprintf(stderr,
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"object-instance-min=%u - it must be less than %u\r\n",
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Target_Object_Instance_Min, BACNET_MAX_INSTANCE + 1);
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return 1;
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}
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if (Target_Object_Instance_Max > BACNET_MAX_INSTANCE) {
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fprintf(stderr,
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"object-instance-max=%u - it must be less than %u\r\n",
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Target_Object_Instance_Max, BACNET_MAX_INSTANCE + 1);
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return 1;
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}
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}
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/* setup my info */
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Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE);
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Init_Service_Handlers();
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address_init();
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dlenv_init();
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/* configure the timeout values */
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last_seconds = time(NULL);
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timeout_seconds = apdu_timeout() / 1000;
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/* send the request */
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Send_WhoIs(Target_Object_Instance_Min, Target_Object_Instance_Max);
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/* loop forever */
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for (;;) {
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/* increment timer - exit if timed out */
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current_seconds = time(NULL);
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/* returns 0 bytes on timeout */
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pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
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/* process */
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if (pdu_len) {
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npdu_handler(&src, &Rx_Buf[0], pdu_len);
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}
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if (Error_Detected)
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break;
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/* increment timer - exit if timed out */
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elapsed_seconds = current_seconds - last_seconds;
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if (elapsed_seconds) {
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#if defined(BACDL_BIP) && BBMD_ENABLED
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bvlc_maintenance_timer(elapsed_seconds);
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#endif
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}
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total_seconds += elapsed_seconds;
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if (total_seconds > timeout_seconds)
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break;
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/* keep track of time for next check */
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last_seconds = current_seconds;
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}
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print_address_cache();
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return 0;
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}
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