clean etherlab: pylint, W0104 # (pointless-statement) Statement seems to have no effect
/**************************************************************************
*
* Copyright (C) 2005,2006,2009 Steve Karg <skarg@users.sourceforge.net>
* Copyright (C) 2017 Mario de Sousa <msousa@fe.up.pt>
*
* 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.
*
*********************************************************************/
/** Base "class" for handling all BACnet objects belonging
* to a BACnet device, as well as Device-specific properties. */
#include <stdbool.h>
#include <stdint.h>
#include <string.h> /* for memmove */
#include <time.h> /* for timezone, localtime */
#include "config_bacnet_for_beremiz_%(locstr)s.h" /* the custom configuration for beremiz plugin */
#include "bacdef.h"
#include "bacdcode.h"
#include "bacenum.h"
#include "bacapp.h"
#include "apdu.h"
#include "wp.h" /* WriteProperty handling */
#include "rp.h" /* ReadProperty handling */
#include "dcc.h" /* DeviceCommunicationControl handling */
#include "version.h"
#include "device_%(locstr)s.h" /* me */
#include "handlers.h"
#include "datalink.h"
#include "address.h"
/* os specfic includes */
#include "timer.h"
/* include the device object */
#include "device_%(locstr)s.h"
#include "ai_%(locstr)s.h"
#include "ao_%(locstr)s.h"
#include "av_%(locstr)s.h"
#include "bi_%(locstr)s.h"
#include "bo_%(locstr)s.h"
#include "bv_%(locstr)s.h"
#include "msi_%(locstr)s.h"
#include "mso_%(locstr)s.h"
#include "msv_%(locstr)s.h"
#if defined(__BORLANDC__) || defined(_WIN32)
/* Not included in time.h as specified by The Open Group */
/* Difference from UTC and local standard time */
long int timezone;
#endif
/* local forward (semi-private) and external prototypes */
int Device_Read_Property_Local(
BACNET_READ_PROPERTY_DATA * rpdata);
bool Device_Write_Property_Local(
BACNET_WRITE_PROPERTY_DATA * wp_data);
extern int Routed_Device_Read_Property_Local(
BACNET_READ_PROPERTY_DATA * rpdata);
extern bool Routed_Device_Write_Property_Local(
BACNET_WRITE_PROPERTY_DATA * wp_data);
/* may be overridden by outside table */
static object_functions_t *Object_Table;
static object_functions_t My_Object_Table[] = {
{OBJECT_DEVICE,
NULL /* Init - don't init Device or it will recurse! */ ,
Device_Count,
Device_Index_To_Instance,
Device_Valid_Object_Instance_Number,
Device_Object_Name,
Device_Read_Property_Local,
Device_Write_Property_Local,
Device_Property_Lists,
DeviceGetRRInfo,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_ANALOG_INPUT,
Analog_Input_Init,
Analog_Input_Count,
Analog_Input_Index_To_Instance,
Analog_Input_Valid_Instance,
Analog_Input_Object_Name,
Analog_Input_Read_Property,
Analog_Input_Write_Property,
Analog_Input_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_ANALOG_OUTPUT,
Analog_Output_Init,
Analog_Output_Count,
Analog_Output_Index_To_Instance,
Analog_Output_Valid_Instance,
Analog_Output_Object_Name,
Analog_Output_Read_Property,
Analog_Output_Write_Property,
Analog_Output_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_ANALOG_VALUE,
Analog_Value_Init,
Analog_Value_Count,
Analog_Value_Index_To_Instance,
Analog_Value_Valid_Instance,
Analog_Value_Object_Name,
Analog_Value_Read_Property,
Analog_Value_Write_Property,
Analog_Value_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_BINARY_INPUT,
Binary_Input_Init,
Binary_Input_Count,
Binary_Input_Index_To_Instance,
Binary_Input_Valid_Instance,
Binary_Input_Object_Name,
Binary_Input_Read_Property,
Binary_Input_Write_Property,
Binary_Input_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_BINARY_OUTPUT,
Binary_Output_Init,
Binary_Output_Count,
Binary_Output_Index_To_Instance,
Binary_Output_Valid_Instance,
Binary_Output_Object_Name,
Binary_Output_Read_Property,
Binary_Output_Write_Property,
Binary_Output_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_BINARY_VALUE,
Binary_Value_Init,
Binary_Value_Count,
Binary_Value_Index_To_Instance,
Binary_Value_Valid_Instance,
Binary_Value_Object_Name,
Binary_Value_Read_Property,
Binary_Value_Write_Property,
Binary_Value_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_MULTI_STATE_INPUT,
Multistate_Input_Init,
Multistate_Input_Count,
Multistate_Input_Index_To_Instance,
Multistate_Input_Valid_Instance,
Multistate_Input_Object_Name,
Multistate_Input_Read_Property,
Multistate_Input_Write_Property,
Multistate_Input_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_MULTI_STATE_OUTPUT,
Multistate_Output_Init,
Multistate_Output_Count,
Multistate_Output_Index_To_Instance,
Multistate_Output_Valid_Instance,
Multistate_Output_Object_Name,
Multistate_Output_Read_Property,
Multistate_Output_Write_Property,
Multistate_Output_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{OBJECT_MULTI_STATE_VALUE,
Multistate_Value_Init,
Multistate_Value_Count,
Multistate_Value_Index_To_Instance,
Multistate_Value_Valid_Instance,
Multistate_Value_Object_Name,
Multistate_Value_Read_Property,
Multistate_Value_Write_Property,
Multistate_Value_Property_Lists,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ },
{MAX_BACNET_OBJECT_TYPE,
NULL /* Init */ ,
NULL /* Count */ ,
NULL /* Index_To_Instance */ ,
NULL /* Valid_Instance */ ,
NULL /* Object_Name */ ,
NULL /* Read_Property */ ,
NULL /* Write_Property */ ,
NULL /* Property_Lists */ ,
NULL /* ReadRangeInfo */ ,
NULL /* Iterator */ ,
NULL /* Value_Lists */ ,
NULL /* COV */ ,
NULL /* COV Clear */ ,
NULL /* Intrinsic Reporting */ }
};
/** Glue function to let the Device object, when called by a handler,
* lookup which Object type needs to be invoked.
* param: Object_Type [in] The type of BACnet Object the handler wants to access.
* return: Pointer to the group of object helper functions that implement this
* type of Object.
*/
static struct object_functions *Device_Objects_Find_Functions(
BACNET_OBJECT_TYPE Object_Type)
{
struct object_functions *pObject = NULL;
pObject = Object_Table;
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
/* handle each object type */
if (pObject->Object_Type == Object_Type) {
return (pObject);
}
pObject++;
}
return (NULL);
}
/** Try to find a rr_info_function helper function for the requested object type.
*
* param: object_type [in] The type of BACnet Object the handler wants to access.
* return: Pointer to the object helper function that implements the
* ReadRangeInfo function, Object_RR_Info, for this type of Object on
* success, else a NULL pointer if the type of Object isn't supported
* or doesn't have a ReadRangeInfo function.
*/
rr_info_function Device_Objects_RR_Info(
BACNET_OBJECT_TYPE object_type)
{
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
return (pObject != NULL ? pObject->Object_RR_Info : NULL);
}
/** For a given object type, returns the special property list.
* This function is used for ReadPropertyMultiple calls which want
* just Required, just Optional, or All properties.
*
* param: object_type [in] The desired BACNET_OBJECT_TYPE whose properties
* are to be listed.
* param: pPropertyList [out] Reference to the structure which will, on return,
* list, separately, the Required, Optional, and Proprietary object
* properties with their counts.
*/
void Device_Objects_Property_List(
BACNET_OBJECT_TYPE object_type,
struct special_property_list_t *pPropertyList)
{
struct object_functions *pObject = NULL;
pPropertyList->Required.pList = NULL;
pPropertyList->Optional.pList = NULL;
pPropertyList->Proprietary.pList = NULL;
/* If we can find an entry for the required object type
* and there is an Object_List_RPM fn ptr then call it
* to populate the pointers to the individual list counters.
*/
pObject = Device_Objects_Find_Functions(object_type);
if ((pObject != NULL) && (pObject->Object_RPM_List != NULL)) {
pObject->Object_RPM_List(&pPropertyList->Required.pList,
&pPropertyList->Optional.pList, &pPropertyList->Proprietary.pList);
}
/* Fetch the counts if available otherwise zero them */
pPropertyList->Required.count =
pPropertyList->Required.pList ==
NULL ? 0 : property_list_count(pPropertyList->Required.pList);
pPropertyList->Optional.count =
pPropertyList->Optional.pList ==
NULL ? 0 : property_list_count(pPropertyList->Optional.pList);
pPropertyList->Proprietary.count =
pPropertyList->Proprietary.pList ==
NULL ? 0 : property_list_count(pPropertyList->Proprietary.pList);
return;
}
/** Commands a Device re-initialization, to a given state.
* The request's password must match for the operation to succeed.
* This implementation provides a framework, but doesn't
* actually *DO* anything.
* @note You could use a mix of states and passwords to multiple outcomes.
* @note You probably want to restart *after* the simple ack has been sent
* from the return handler, so just set a local flag here.
*
* param: rd_data [in,out] The information from the RD request.
* On failure, the error class and code will be set.
* return: True if succeeds (password is correct), else False.
*/
bool Device_Reinitialize(
BACNET_REINITIALIZE_DEVICE_DATA * rd_data)
{
bool status = false;
if (characterstring_ansi_same(&rd_data->password, "Jesus")) {
switch (rd_data->state) {
case BACNET_REINIT_COLDSTART:
case BACNET_REINIT_WARMSTART:
dcc_set_status_duration(COMMUNICATION_ENABLE, 0);
break;
case BACNET_REINIT_STARTBACKUP:
break;
case BACNET_REINIT_ENDBACKUP:
break;
case BACNET_REINIT_STARTRESTORE:
break;
case BACNET_REINIT_ENDRESTORE:
break;
case BACNET_REINIT_ABORTRESTORE:
break;
default:
break;
}
/* Note: you could use a mix of state
and password to multiple things */
/* note: you probably want to restart *after* the
simple ack has been sent from the return handler
so just set a flag from here */
status = true;
} else {
rd_data->error_class = ERROR_CLASS_SECURITY;
rd_data->error_code = ERROR_CODE_PASSWORD_FAILURE;
}
return status;
}
/* These three arrays are used by the ReadPropertyMultiple handler,
* as well as to initialize the XXX_Property_List used by the
* Property List (PROP_PROPERTY_LIST) property.
*/
static const int Device_Properties_Required[] = {
/* (1) Currently Supported */
/* (2) Required by standard ASHRAE 135-2016 */
/*(1)(2) */
PROP_OBJECT_IDENTIFIER, /* W R ( 75) */
PROP_OBJECT_NAME, /* W R ( 77) */
PROP_OBJECT_TYPE, /* R R ( 79) */
PROP_SYSTEM_STATUS, /* R R (112) */
PROP_VENDOR_NAME, /* R R (121) */
PROP_VENDOR_IDENTIFIER, /* W R (120) */
PROP_MODEL_NAME, /* W R ( 70) */
PROP_FIRMWARE_REVISION, /* R R ( 44) */
PROP_APPLICATION_SOFTWARE_VERSION, /* R R ( 12) */
PROP_PROTOCOL_VERSION, /* R R ( 98) */
PROP_PROTOCOL_REVISION, /* R R (139) */
PROP_PROTOCOL_SERVICES_SUPPORTED, /* R R ( 97) */
PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED, /* R R ( 96) */
PROP_OBJECT_LIST, /* R R ( 76) */
PROP_MAX_APDU_LENGTH_ACCEPTED, /* R R ( 62) */
PROP_SEGMENTATION_SUPPORTED, /* R R (107) */
PROP_APDU_TIMEOUT, /* W R ( 11) */
PROP_NUMBER_OF_APDU_RETRIES, /* W R ( 73) */
PROP_DEVICE_ADDRESS_BINDING, /* R R ( 30) */
PROP_DATABASE_REVISION, /* R R (155) */
// PROP_PROPERTY_LIST, /* R R (371) */
-1
};
static const int Device_Properties_Optional[] = {
PROP_DESCRIPTION, /* W O ( 28) */
PROP_LOCAL_TIME, /* R O ( 57) */
PROP_UTC_OFFSET, /* R O (119) */
PROP_LOCAL_DATE, /* R O ( 56) */
PROP_DAYLIGHT_SAVINGS_STATUS, /* R O ( 24) */
PROP_LOCATION, /* W O ( 58) */
-1
};
static const int Device_Properties_Proprietary[] = {
-1
};
/* This array stores the PROPERTY_LIST which may be read by clients.
* End of list is marked by following the last element with the value '-1'
*
* It is initialized by Binary_Value_Init() based off the values
* stored in Binary_Value_Properties_Required
* Binary_Value_Properties_Optional
* Binary_Value_Properties_Proprietary
*/
/* TODO: Allocate memory for this array with malloc() at startup */
static int Device_Properties_List[64];
void Device_Property_Lists(
const int **pRequired,
const int **pOptional,
const int **pProprietary)
{
if (pRequired)
*pRequired = Device_Properties_Required;
if (pOptional)
*pOptional = Device_Properties_Optional;
if (pProprietary)
*pProprietary = Device_Properties_Proprietary;
return;
}
static BACNET_DEVICE_STATUS System_Status = STATUS_OPERATIONAL;
static BACNET_CHARACTER_STRING My_Object_Name;
static uint32_t Object_Instance_Number = 260001;
static uint16_t Vendor_Identifier = BACNET_VENDOR_ID;
static char *Vendor_Name = BACNET_VENDOR_NAME;
static char *Firmware_Revision = BACNET_FIRMWARE_REVISION;
static char Model_Name [MAX_DEV_MOD_LEN + 1] = BACNET_DEVICE_MODEL_NAME;
static char Application_Software_Version[MAX_DEV_VER_LEN + 1] = BACNET_DEVICE_APPSOFT_VER;
static char Location [MAX_DEV_LOC_LEN + 1] = BACNET_DEVICE_LOCATION;
static char Description [MAX_DEV_DESC_LEN + 1] = BACNET_DEVICE_DESCRIPTION;
/* static uint8_t Protocol_Version = 1; - constant, not settable */
/* static uint8_t Protocol_Revision = 4; - constant, not settable */
/* Protocol_Services_Supported - dynamically generated */
/* Protocol_Object_Types_Supported - in RP encoding */
/* Object_List - dynamically generated */
/* static BACNET_SEGMENTATION Segmentation_Supported = SEGMENTATION_NONE; */
/* static uint8_t Max_Segments_Accepted = 0; */
/* VT_Classes_Supported */
/* Active_VT_Sessions */
static BACNET_TIME Local_Time; /* rely on OS, if there is one */
static BACNET_DATE Local_Date; /* rely on OS, if there is one */
/* NOTE: BACnet UTC Offset is inverse of common practice.
If your UTC offset is -5hours of GMT,
then BACnet UTC offset is +5hours.
BACnet UTC offset is expressed in minutes. */
static int32_t UTC_Offset = 5 * 60;
static bool Daylight_Savings_Status = false; /* rely on OS */
/* List_Of_Session_Keys */
/* Time_Synchronization_Recipients */
/* Max_Master - rely on MS/TP subsystem, if there is one */
/* Max_Info_Frames - rely on MS/TP subsystem, if there is one */
/* Device_Address_Binding - required, but relies on binding cache */
static uint32_t Database_Revision = 0;
/* Configuration_Files */
/* Last_Restore_Time */
/* Backup_Failure_Timeout */
/* Active_COV_Subscriptions */
/* Slave_Proxy_Enable */
/* Manual_Slave_Address_Binding */
/* Auto_Slave_Discovery */
/* Slave_Address_Binding */
/* Profile_Name */
unsigned Device_Count(
void)
{
return 1;
}
uint32_t Device_Index_To_Instance(
unsigned index)
{
index = index;
return Object_Instance_Number;
}
/* methods to manipulate the data */
/** Return the Object Instance number for our (single) Device Object.
* This is a key function, widely invoked by the handler code, since
* it provides "our" (ie, local) address.
* return: The Instance number used in the BACNET_OBJECT_ID for the Device.
*/
uint32_t Device_Object_Instance_Number(
void)
{
return Object_Instance_Number;
}
bool Device_Set_Object_Instance_Number(
uint32_t object_id)
{
bool status = true; /* return value */
if (object_id <= BACNET_MAX_INSTANCE) {
/* Make the change and update the database revision */
Object_Instance_Number = object_id;
Device_Inc_Database_Revision();
} else
status = false;
return status;
}
bool Device_Valid_Object_Instance_Number(
uint32_t object_id)
{
return (Object_Instance_Number == object_id);
}
bool Device_Object_Name(
uint32_t object_instance,
BACNET_CHARACTER_STRING * object_name)
{
bool status = false;
if (object_instance == Object_Instance_Number) {
status = characterstring_copy(object_name, &My_Object_Name);
}
return status;
}
bool Device_Set_Object_Name(
BACNET_CHARACTER_STRING * object_name)
{
bool status = false; /*return value */
if (!characterstring_same(&My_Object_Name, object_name)) {
/* Make the change and update the database revision */
status = characterstring_copy(&My_Object_Name, object_name);
Device_Inc_Database_Revision();
}
return status;
}
BACNET_DEVICE_STATUS Device_System_Status(
void)
{
return System_Status;
}
int Device_Set_System_Status(
BACNET_DEVICE_STATUS status,
bool local)
{
int result = 0; /*return value - 0 = ok, -1 = bad value, -2 = not allowed */
/* We limit the options available depending on whether the source is
* internal or external. */
if (local) {
switch (status) {
case STATUS_OPERATIONAL:
case STATUS_OPERATIONAL_READ_ONLY:
case STATUS_DOWNLOAD_REQUIRED:
case STATUS_DOWNLOAD_IN_PROGRESS:
case STATUS_NON_OPERATIONAL:
System_Status = status;
break;
/* Don't support backup at present so don't allow setting */
case STATUS_BACKUP_IN_PROGRESS:
result = -2;
break;
default:
result = -1;
break;
}
} else {
switch (status) {
/* Allow these for the moment as a way to easily alter
* overall device operation. The lack of password protection
* or other authentication makes allowing writes to this
* property a risky facility to provide.
*/
case STATUS_OPERATIONAL:
case STATUS_OPERATIONAL_READ_ONLY:
case STATUS_NON_OPERATIONAL:
System_Status = status;
break;
/* Don't allow outsider set this - it should probably
* be set if the device config is incomplete or
* corrupted or perhaps after some sort of operator
* wipe operation.
*/
case STATUS_DOWNLOAD_REQUIRED:
/* Don't allow outsider set this - it should be set
* internally at the start of a multi packet download
* perhaps indirectly via PT or WF to a config file.
*/
case STATUS_DOWNLOAD_IN_PROGRESS:
/* Don't support backup at present so don't allow setting */
case STATUS_BACKUP_IN_PROGRESS:
result = -2;
break;
default:
result = -1;
break;
}
}
return (result);
}
const char *Device_Vendor_Name(
void)
{
return Vendor_Name;
}
/** Returns the Vendor ID for this Device.
* See the assignments at http://www.bacnet.org/VendorID/BACnet%%20Vendor%%20IDs.htm
* return: The Vendor ID of this Device.
*/
uint16_t Device_Vendor_Identifier(
void)
{
return Vendor_Identifier;
}
void Device_Set_Vendor_Identifier(
uint16_t vendor_id)
{
Vendor_Identifier = vendor_id;
}
const char *Device_Model_Name(
void)
{
return Model_Name;
}
bool Device_Set_Model_Name(
const char *name,
size_t length)
{
bool status = false; /*return value */
if (length < sizeof(Model_Name)) {
memmove(Model_Name, name, length);
Model_Name[length] = 0;
status = true;
}
return status;
}
const char *Device_Firmware_Revision(
void)
{
return Firmware_Revision;
}
const char *Device_Application_Software_Version(
void)
{
return Application_Software_Version;
}
bool Device_Set_Application_Software_Version(
const char *name,
size_t length)
{
bool status = false; /*return value */
if (length < sizeof(Application_Software_Version)) {
memmove(Application_Software_Version, name, length);
Application_Software_Version[length] = 0;
status = true;
}
return status;
}
const char *Device_Description(
void)
{
return Description;
}
bool Device_Set_Description(
const char *name,
size_t length)
{
bool status = false; /*return value */
if (length < sizeof(Description)) {
memmove(Description, name, length);
Description[length] = 0;
status = true;
}
return status;
}
const char *Device_Location(
void)
{
return Location;
}
bool Device_Set_Location(
const char *name,
size_t length)
{
bool status = false; /*return value */
if (length < sizeof(Location)) {
memmove(Location, name, length);
Location[length] = 0;
status = true;
}
return status;
}
uint8_t Device_Protocol_Version(
void)
{
return BACNET_PROTOCOL_VERSION;
}
uint8_t Device_Protocol_Revision(
void)
{
return BACNET_PROTOCOL_REVISION;
}
BACNET_SEGMENTATION Device_Segmentation_Supported(
void)
{
return SEGMENTATION_NONE;
}
uint32_t Device_Database_Revision(
void)
{
return Database_Revision;
}
void Device_Set_Database_Revision(
uint32_t revision)
{
Database_Revision = revision;
}
/*
* Shortcut for incrementing database revision as this is potentially
* the most common operation if changing object names and ids is
* implemented.
*/
void Device_Inc_Database_Revision(
void)
{
Database_Revision++;
}
/** Get the total count of objects supported by this Device Object.
* @note Since many network clients depend on the object list
* for discovery, it must be consistent!
* return: The count of objects, for all supported Object types.
*/
unsigned Device_Object_List_Count(
void)
{
unsigned count = 0; /* number of objects */
struct object_functions *pObject = NULL;
/* initialize the default return values */
pObject = Object_Table;
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
if (pObject->Object_Count) {
count += pObject->Object_Count();
}
pObject++;
}
return count;
}
/** Lookup the Object at the given array index in the Device's Object List.
* Even though we don't keep a single linear array of objects in the Device,
* this method acts as though we do and works through a virtual, concatenated
* array of all of our object type arrays.
*
* param: array_index [in] The desired array index (1 to N)
* param: object_type [out] The object's type, if found.
* param: instance [out] The object's instance number, if found.
* return: True if found, else false.
*/
bool Device_Object_List_Identifier(
unsigned array_index,
int *object_type,
uint32_t * instance)
{
bool status = false;
unsigned count = 0;
unsigned object_index = 0;
unsigned temp_index = 0;
struct object_functions *pObject = NULL;
/* array index zero is length - so invalid */
if (array_index == 0) {
return status;
}
object_index = array_index - 1;
/* initialize the default return values */
pObject = Object_Table;
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
if (pObject->Object_Count) {
object_index -= count;
count = pObject->Object_Count();
if (object_index < count) {
/* Use the iterator function if available otherwise
* look for the index to instance to get the ID */
if (pObject->Object_Iterator) {
/* First find the first object */
temp_index = pObject->Object_Iterator(~(unsigned) 0);
/* Then step through the objects to find the nth */
while (object_index != 0) {
temp_index = pObject->Object_Iterator(temp_index);
object_index--;
}
/* set the object_index up before falling through to next bit */
object_index = temp_index;
}
if (pObject->Object_Index_To_Instance) {
*object_type = pObject->Object_Type;
*instance =
pObject->Object_Index_To_Instance(object_index);
status = true;
break;
}
}
}
pObject++;
}
return status;
}
/** Determine if we have an object with the given object_name.
* If the object_type and object_instance pointers are not null,
* and the lookup succeeds, they will be given the resulting values.
* param: object_name [in] The desired Object Name to look for.
* param: object_type [out] The BACNET_OBJECT_TYPE of the matching Object.
* param: object_instance [out] The object instance number of the matching Object.
* return: True on success or else False if not found.
*/
bool Device_Valid_Object_Name(
BACNET_CHARACTER_STRING * object_name1,
int *object_type,
uint32_t * object_instance)
{
bool found = false;
int type = 0;
uint32_t instance;
unsigned max_objects = 0, i = 0;
bool check_id = false;
BACNET_CHARACTER_STRING object_name2;
struct object_functions *pObject = NULL;
max_objects = Device_Object_List_Count();
for (i = 1; i <= max_objects; i++) {
check_id = Device_Object_List_Identifier(i, &type, &instance);
if (check_id) {
pObject = Device_Objects_Find_Functions(type);
if ((pObject != NULL) && (pObject->Object_Name != NULL) &&
(pObject->Object_Name(instance, &object_name2) &&
characterstring_same(object_name1, &object_name2))) {
found = true;
if (object_type) {
*object_type = type;
}
if (object_instance) {
*object_instance = instance;
}
break;
}
}
}
return found;
}
/** Determine if we have an object of this type and instance number.
* param: object_type [in] The desired BACNET_OBJECT_TYPE
* param: object_instance [in] The object instance number to be looked up.
* return: True if found, else False if no such Object in this device.
*/
bool Device_Valid_Object_Id(
int object_type,
uint32_t object_instance)
{
bool status = false; /* return value */
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
if ((pObject != NULL) && (pObject->Object_Valid_Instance != NULL)) {
status = pObject->Object_Valid_Instance(object_instance);
}
return status;
}
/** Copy a child object's object_name value, given its ID.
* param: object_type [in] The BACNET_OBJECT_TYPE of the child Object.
* param: object_instance [in] The object instance number of the child Object.
* param: object_name [out] The Object Name found for this child Object.
* return: True on success or else False if not found.
*/
bool Device_Object_Name_Copy(
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_CHARACTER_STRING * object_name)
{
struct object_functions *pObject = NULL;
bool found = false;
pObject = Device_Objects_Find_Functions(object_type);
if ((pObject != NULL) && (pObject->Object_Name != NULL)) {
found = pObject->Object_Name(object_instance, object_name);
}
return found;
}
static void Device_Update_Current_Time(
void)
{
struct tm *tblock = NULL;
#if defined(_MSC_VER)
time_t tTemp;
#else
struct timeval tv;
#endif
/*
struct tm
int tm_sec Seconds [0,60].
int tm_min Minutes [0,59].
int tm_hour Hour [0,23].
int tm_mday Day of month [1,31].
int tm_mon Month of year [0,11].
int tm_year Years since 1900.
int tm_wday Day of week [0,6] (Sunday =0).
int tm_yday Day of year [0,365].
int tm_isdst Daylight Savings flag.
*/
#if defined(_MSC_VER)
time(&tTemp);
tblock = localtime(&tTemp);
#else
if (gettimeofday(&tv, NULL) == 0) {
tblock = localtime(&tv.tv_sec);
}
#endif
if (tblock) {
datetime_set_date(&Local_Date, (uint16_t) tblock->tm_year + 1900,
(uint8_t) tblock->tm_mon + 1, (uint8_t) tblock->tm_mday);
#if !defined(_MSC_VER)
datetime_set_time(&Local_Time, (uint8_t) tblock->tm_hour,
(uint8_t) tblock->tm_min, (uint8_t) tblock->tm_sec,
(uint8_t) (tv.tv_usec / 10000));
#else
datetime_set_time(&Local_Time, (uint8_t) tblock->tm_hour,
(uint8_t) tblock->tm_min, (uint8_t) tblock->tm_sec, 0);
#endif
if (tblock->tm_isdst) {
Daylight_Savings_Status = true;
} else {
Daylight_Savings_Status = false;
}
/* note: timezone is declared in <time.h> stdlib. */
UTC_Offset = timezone / 60;
} else {
datetime_date_wildcard_set(&Local_Date);
datetime_time_wildcard_set(&Local_Time);
Daylight_Savings_Status = false;
}
}
void Device_getCurrentDateTime(
BACNET_DATE_TIME * DateTime)
{
Device_Update_Current_Time();
DateTime->date = Local_Date;
DateTime->time = Local_Time;
}
int32_t Device_UTC_Offset(void)
{
Device_Update_Current_Time();
return UTC_Offset;
}
bool Device_Daylight_Savings_Status(void)
{
return Daylight_Savings_Status;
}
/* return the length of the apdu encoded or BACNET_STATUS_ERROR for error or
BACNET_STATUS_ABORT for abort message */
int Device_Read_Property_Local(
BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = 0; /* return value */
int len = 0; /* apdu len intermediate value */
BACNET_BIT_STRING bit_string = { 0 };
BACNET_CHARACTER_STRING char_string = { 0 };
unsigned i = 0;
int object_type = 0;
uint32_t instance = 0;
unsigned count = 0;
uint8_t *apdu = NULL;
struct object_functions *pObject = NULL;
bool found = false;
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
(rpdata->application_data_len == 0)) {
return 0;
}
apdu = rpdata->application_data;
switch (rpdata->object_property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_DEVICE,
Object_Instance_Number);
break;
case PROP_OBJECT_NAME:
apdu_len =
encode_application_character_string(&apdu[0], &My_Object_Name);
break;
case PROP_OBJECT_TYPE:
apdu_len = encode_application_enumerated(&apdu[0], OBJECT_DEVICE);
break;
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string, Description);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_SYSTEM_STATUS:
apdu_len = encode_application_enumerated(&apdu[0], System_Status);
break;
case PROP_VENDOR_NAME:
characterstring_init_ansi(&char_string, Vendor_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_VENDOR_IDENTIFIER:
apdu_len =
encode_application_unsigned(&apdu[0], Vendor_Identifier);
break;
case PROP_MODEL_NAME:
characterstring_init_ansi(&char_string, Model_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FIRMWARE_REVISION:
characterstring_init_ansi(&char_string, Firmware_Revision);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_APPLICATION_SOFTWARE_VERSION:
characterstring_init_ansi(&char_string,
Application_Software_Version);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_LOCATION:
characterstring_init_ansi(&char_string, Location);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_LOCAL_TIME:
Device_Update_Current_Time();
apdu_len = encode_application_time(&apdu[0], &Local_Time);
break;
case PROP_UTC_OFFSET:
Device_Update_Current_Time();
apdu_len = encode_application_signed(&apdu[0], UTC_Offset);
break;
case PROP_LOCAL_DATE:
Device_Update_Current_Time();
apdu_len = encode_application_date(&apdu[0], &Local_Date);
break;
case PROP_DAYLIGHT_SAVINGS_STATUS:
Device_Update_Current_Time();
apdu_len =
encode_application_boolean(&apdu[0], Daylight_Savings_Status);
break;
case PROP_PROTOCOL_VERSION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Version());
break;
case PROP_PROTOCOL_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Revision());
break;
case PROP_PROTOCOL_SERVICES_SUPPORTED:
/* Note: list of services that are executed, not initiated. */
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
/* automatic lookup based on handlers set */
bitstring_set_bit(&bit_string, (uint8_t) i,
apdu_service_supported((BACNET_SERVICES_SUPPORTED) i));
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
/* Note: this is the list of objects that can be in this device,
not a list of objects that this device can access */
bitstring_init(&bit_string);
for (i = 0; i < MAX_ASHRAE_OBJECT_TYPE; i++) {
/* initialize all the object types to not-supported */
bitstring_set_bit(&bit_string, (uint8_t) i, false);
}
/* set the object types with objects to supported */
pObject = Object_Table;
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
if ((pObject->Object_Count) && (pObject->Object_Count() > 0)) {
bitstring_set_bit(&bit_string, pObject->Object_Type, true);
}
pObject++;
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_OBJECT_LIST:
count = Device_Object_List_Count();
/* Array element zero is the number of objects in the list */
if (rpdata->array_index == 0)
apdu_len = encode_application_unsigned(&apdu[0], count);
/* if no index was specified, then try to encode the entire list */
/* into one packet. Note that more than likely you will have */
/* to return an error if the number of encoded objects exceeds */
/* your maximum APDU size. */
else if (rpdata->array_index == BACNET_ARRAY_ALL) {
for (i = 1; i <= count; i++) {
found =
Device_Object_List_Identifier(i, &object_type,
&instance);
if (found) {
len =
encode_application_object_id(&apdu[apdu_len],
object_type, instance);
apdu_len += len;
/* assume next one is the same size as this one */
/* can we all fit into the APDU? Don't check for last entry */
if ((i != count) && (apdu_len + len) >= MAX_APDU) {
/* Abort response */
rpdata->error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
apdu_len = BACNET_STATUS_ABORT;
break;
}
} else {
/* error: internal error? */
rpdata->error_class = ERROR_CLASS_SERVICES;
rpdata->error_code = ERROR_CODE_OTHER;
apdu_len = BACNET_STATUS_ERROR;
break;
}
}
} else {
found =
Device_Object_List_Identifier(rpdata->array_index,
&object_type, &instance);
if (found) {
apdu_len =
encode_application_object_id(&apdu[0], object_type,
instance);
} else {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
}
break;
case PROP_MAX_APDU_LENGTH_ACCEPTED:
apdu_len = encode_application_unsigned(&apdu[0], MAX_APDU);
break;
case PROP_SEGMENTATION_SUPPORTED:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_Segmentation_Supported());
break;
case PROP_APDU_TIMEOUT:
apdu_len = encode_application_unsigned(&apdu[0], apdu_timeout());
break;
case PROP_NUMBER_OF_APDU_RETRIES:
apdu_len = encode_application_unsigned(&apdu[0], apdu_retries());
break;
case PROP_DEVICE_ADDRESS_BINDING:
/* FIXME: the real max apdu remaining should be passed into function */
apdu_len = address_list_encode(&apdu[0], MAX_APDU);
break;
case PROP_DATABASE_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0], Database_Revision);
break;
// case PROP_PROPERTY_LIST:
// BACnet_encode_array(Device_Properties_List,
// property_list_count(Device_Properties_List),
// retfalse, encode_application_enumerated);
// break;
default:
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
apdu_len = BACNET_STATUS_ERROR;
break;
}
/* only array properties can have array options */
if ((apdu_len >= 0) && (rpdata->object_property != PROP_OBJECT_LIST) &&
// (rpdata->object_property != PROP_PROPERTY_LIST) &&
(rpdata->array_index != BACNET_ARRAY_ALL)) {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
apdu_len = BACNET_STATUS_ERROR;
}
return apdu_len;
}
/** Looks up the requested Object and Property, and encodes its Value in an APDU.
* If the Object or Property can't be found, sets the error class and code.
*
* param: rpdata [in,out] Structure with the desired Object and Property info
* on entry, and APDU message on return.
* return: The length of the APDU on success, else BACNET_STATUS_ERROR
*/
int Device_Read_Property(
BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = BACNET_STATUS_ERROR;
struct object_functions *pObject = NULL;
/* initialize the default return values */
rpdata->error_class = ERROR_CLASS_OBJECT;
rpdata->error_code = ERROR_CODE_UNKNOWN_OBJECT;
pObject = Device_Objects_Find_Functions(rpdata->object_type);
if (pObject != NULL) {
if (pObject->Object_Valid_Instance &&
pObject->Object_Valid_Instance(rpdata->object_instance)) {
if (pObject->Object_Read_Property) {
apdu_len = pObject->Object_Read_Property(rpdata);
}
}
}
return apdu_len;
}
/* returns true if successful */
bool Device_Write_Property_Local(
BACNET_WRITE_PROPERTY_DATA * wp_data)
{
bool status = false; /* return value */
int len = 0;
BACNET_APPLICATION_DATA_VALUE value;
int object_type = 0;
uint32_t object_instance = 0;
int temp;
/* decode the some of the request */
len =
bacapp_decode_application_data(wp_data->application_data,
wp_data->application_data_len, &value);
if (len < 0) {
/* error while decoding - a value larger than we can handle */
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
return false;
}
if ((wp_data->object_property != PROP_OBJECT_LIST) &&
(wp_data->array_index != BACNET_ARRAY_ALL)) {
/* only array properties can have array options */
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
return false;
}
/* FIXME: len < application_data_len: more data? */
switch (wp_data->object_property) {
case PROP_OBJECT_IDENTIFIER:
status =
WPValidateArgType(&value, BACNET_APPLICATION_TAG_OBJECT_ID,
&wp_data->error_class, &wp_data->error_code);
if (status) {
if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
(Device_Set_Object_Instance_Number(value.type.
Object_Id.instance))) {
/* FIXME: we could send an I-Am broadcast to let the world know */
} else {
status = false;
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
}
break;
case PROP_NUMBER_OF_APDU_RETRIES:
status =
WPValidateArgType(&value, BACNET_APPLICATION_TAG_UNSIGNED_INT,
&wp_data->error_class, &wp_data->error_code);
if (status) {
/* FIXME: bounds check? */
apdu_retries_set((uint8_t) value.type.Unsigned_Int);
}
break;
case PROP_APDU_TIMEOUT:
status =
WPValidateArgType(&value, BACNET_APPLICATION_TAG_UNSIGNED_INT,
&wp_data->error_class, &wp_data->error_code);
if (status) {
/* FIXME: bounds check? */
apdu_timeout_set((uint16_t) value.type.Unsigned_Int);
}
break;
case PROP_VENDOR_IDENTIFIER:
status =
WPValidateArgType(&value, BACNET_APPLICATION_TAG_UNSIGNED_INT,
&wp_data->error_class, &wp_data->error_code);
if (status) {
/* FIXME: bounds check? */
Device_Set_Vendor_Identifier((uint16_t) value.
type.Unsigned_Int);
}
break;
// case PROP_SYSTEM_STATUS:
// status =
// WPValidateArgType(&value, BACNET_APPLICATION_TAG_ENUMERATED,
// &wp_data->error_class, &wp_data->error_code);
// if (status) {
// temp = Device_Set_System_Status((BACNET_DEVICE_STATUS)
// value.type.Enumerated, false);
// if (temp != 0) {
// status = false;
// wp_data->error_class = ERROR_CLASS_PROPERTY;
// if (temp == -1) {
// wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
// } else {
// wp_data->error_code =
// ERROR_CODE_OPTIONAL_FUNCTIONALITY_NOT_SUPPORTED;
// }
// }
// }
// break;
case PROP_OBJECT_NAME:
status =
WPValidateString(&value,
characterstring_capacity(&My_Object_Name), false,
&wp_data->error_class, &wp_data->error_code);
if (status) {
/* All the object names in a device must be unique */
if (Device_Valid_Object_Name(&value.type.Character_String,
&object_type, &object_instance)) {
if ((object_type == wp_data->object_type) &&
(object_instance == wp_data->object_instance)) {
/* writing same name to same object */
status = true;
} else {
status = false;
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_DUPLICATE_NAME;
}
} else {
Device_Set_Object_Name(&value.type.Character_String);
}
}
break;
case PROP_LOCATION:
status =
WPValidateString(&value, MAX_DEV_LOC_LEN, true,
&wp_data->error_class, &wp_data->error_code);
if (status) {
Device_Set_Location(characterstring_value(&value.
type.Character_String),
characterstring_length(&value.type.Character_String));
}
break;
case PROP_DESCRIPTION:
status =
WPValidateString(&value, MAX_DEV_DESC_LEN, true,
&wp_data->error_class, &wp_data->error_code);
if (status) {
Device_Set_Description(characterstring_value(&value.
type.Character_String),
characterstring_length(&value.type.Character_String));
}
break;
case PROP_MODEL_NAME:
status =
WPValidateString(&value, MAX_DEV_MOD_LEN, true,
&wp_data->error_class, &wp_data->error_code);
if (status) {
Device_Set_Model_Name(characterstring_value(&value.
type.Character_String),
characterstring_length(&value.type.Character_String));
}
break;
case PROP_OBJECT_TYPE:
case PROP_SYSTEM_STATUS:
case PROP_VENDOR_NAME:
case PROP_FIRMWARE_REVISION:
case PROP_APPLICATION_SOFTWARE_VERSION:
case PROP_LOCAL_TIME:
case PROP_UTC_OFFSET:
case PROP_LOCAL_DATE:
case PROP_DAYLIGHT_SAVINGS_STATUS:
case PROP_PROTOCOL_VERSION:
case PROP_PROTOCOL_REVISION:
case PROP_PROTOCOL_SERVICES_SUPPORTED:
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
case PROP_OBJECT_LIST:
case PROP_MAX_APDU_LENGTH_ACCEPTED:
case PROP_SEGMENTATION_SUPPORTED:
case PROP_DEVICE_ADDRESS_BINDING:
case PROP_DATABASE_REVISION:
// case PROP_PROPERTY_LIST:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
break;
default:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
break;
}
return status;
}
/** Looks up the requested Object and Property, and set the new Value in it,
* if allowed.
* If the Object or Property can't be found, sets the error class and code.
*
* param: wp_data [in,out] Structure with the desired Object and Property info
* and new Value on entry, and APDU message on return.
* return: True on success, else False if there is an error.
*/
bool Device_Write_Property(
BACNET_WRITE_PROPERTY_DATA * wp_data)
{
bool status = false; /* Ever the pessamist! */
struct object_functions *pObject = NULL;
/* initialize the default return values */
wp_data->error_class = ERROR_CLASS_OBJECT;
wp_data->error_code = ERROR_CODE_UNKNOWN_OBJECT;
pObject = Device_Objects_Find_Functions(wp_data->object_type);
if (pObject != NULL) {
if (pObject->Object_Valid_Instance &&
pObject->Object_Valid_Instance(wp_data->object_instance)) {
if (pObject->Object_Write_Property) {
status = pObject->Object_Write_Property(wp_data);
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
}
} else {
wp_data->error_class = ERROR_CLASS_OBJECT;
wp_data->error_code = ERROR_CODE_UNKNOWN_OBJECT;
}
} else {
wp_data->error_class = ERROR_CLASS_OBJECT;
wp_data->error_code = ERROR_CODE_UNKNOWN_OBJECT;
}
return (status);
}
/** Looks up the requested Object, and fills the Property Value list.
* If the Object or Property can't be found, returns false.
* param: [in] The object type to be looked up.
* param: [in] The object instance number to be looked up.
* param: [out] The value list
* return: True if the object instance supports this feature and value changed.
*/
bool Device_Encode_Value_List(
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_PROPERTY_VALUE * value_list)
{
bool status = false; /* Ever the pessamist! */
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
if (pObject != NULL) {
if (pObject->Object_Valid_Instance &&
pObject->Object_Valid_Instance(object_instance)) {
if (pObject->Object_Value_List) {
status =
pObject->Object_Value_List(object_instance, value_list);
}
}
}
return (status);
}
/** Checks the COV flag in the requested Object
* param: [in] The object type to be looked up.
* param: [in] The object instance to be looked up.
* return: True if the COV flag is set
*/
bool Device_COV(
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance)
{
bool status = false; /* Ever the pessamist! */
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
if (pObject != NULL) {
if (pObject->Object_Valid_Instance &&
pObject->Object_Valid_Instance(object_instance)) {
if (pObject->Object_COV) {
status = pObject->Object_COV(object_instance);
}
}
}
return (status);
}
/** Clears the COV flag in the requested Object
* param: [in] The object type to be looked up.
* param: [in] The object instance to be looked up.
*/
void Device_COV_Clear(
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance)
{
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
if (pObject != NULL) {
if (pObject->Object_Valid_Instance &&
pObject->Object_Valid_Instance(object_instance)) {
if (pObject->Object_COV_Clear) {
pObject->Object_COV_Clear(object_instance);
}
}
}
}
/** Looks up the requested Object to see if the functionality is supported.
* param: [in] The object type to be looked up.
* return: True if the object instance supports this feature.
*/
bool Device_Value_List_Supported(
BACNET_OBJECT_TYPE object_type)
{
bool status = false; /* Ever the pessamist! */
struct object_functions *pObject = NULL;
pObject = Device_Objects_Find_Functions(object_type);
if (pObject != NULL) {
if (pObject->Object_Value_List) {
status = true;
}
}
return (status);
}
/** Initialize the Device Object.
Initialize the group of object helper functions for any supported Object.
Initialize each of the Device Object child Object instances.
* param: The BACnet Object Name of the bacnet server
*/
void Device_Init(
const char * Device_Object_Name)
{
struct object_functions *pObject = NULL;
/* initialize the Device_Properties_List array */
int len = 0;
len += BACnet_Init_Properties_List(Device_Properties_List + len,
Device_Properties_Required);
len += BACnet_Init_Properties_List(Device_Properties_List + len,
Device_Properties_Optional);
len += BACnet_Init_Properties_List(Device_Properties_List + len,
Device_Properties_Proprietary);
characterstring_init_ansi(&My_Object_Name, Device_Object_Name);
Object_Table = &My_Object_Table[0]; // sets glogbal variable!
pObject = Object_Table;
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
if (pObject->Object_Init) {
pObject->Object_Init();
}
pObject++;
}
}
bool DeviceGetRRInfo(
BACNET_READ_RANGE_DATA * pRequest, /* Info on the request */
RR_PROP_INFO * pInfo)
{ /* Where to put the response */
bool status = false; /* return value */
switch (pRequest->object_property) {
case PROP_VT_CLASSES_SUPPORTED:
case PROP_ACTIVE_VT_SESSIONS:
case PROP_LIST_OF_SESSION_KEYS:
case PROP_TIME_SYNCHRONIZATION_RECIPIENTS:
case PROP_MANUAL_SLAVE_ADDRESS_BINDING:
case PROP_SLAVE_ADDRESS_BINDING:
case PROP_RESTART_NOTIFICATION_RECIPIENTS:
case PROP_UTC_TIME_SYNCHRONIZATION_RECIPIENTS:
pInfo->RequestTypes = RR_BY_POSITION;
pRequest->error_class = ERROR_CLASS_PROPERTY;
pRequest->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
break;
case PROP_DEVICE_ADDRESS_BINDING:
pInfo->RequestTypes = RR_BY_POSITION;
pInfo->Handler = rr_address_list_encode;
status = true;
break;
default:
pRequest->error_class = ERROR_CLASS_SERVICES;
pRequest->error_code = ERROR_CODE_PROPERTY_IS_NOT_A_LIST;
break;
}
return status;
}