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Adding ReadPropertyMultiple handler (thank you to John Stachler for this contribution!). Untested and not finished integrating with the demos.

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This commit is contained in:
skarg
2007-07-17 00:21:31 +00:00
parent 5e68e165f5
commit b952a54966
3 changed files with 547 additions and 0 deletions
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bacnet-stack/demo/handler/h_rpm.c
+400
View File
@@ -0,0 +1,400 @@
/**************************************************************************
*
* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
* Enhanced by John Stachler for ReadPropertyMultiple
*
* 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 <string.h>
#include "config.h"
#include "txbuf.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "apdu.h"
#include "npdu.h"
#include "abort.h"
#include "rpm.h"
#include "handlers.h"
#include "device.h"
#include "ai.h"
#include "ao.h"
#include "bi.h"
static uint8_t Temp_Buf[MAX_APDU] = { 0 };
/* copy encoded apdu data to tx buffer
this is needed to make sure we do not go past our apdu buffer size */
bool copy_apdu_data_buffer(int *apdu_len, uint8 len, uint8 npdu_len)
{
bool copy_status = false;
if ((*apdu_len + len) <= MAX_APDU) {
memcpy(&Handler_Transmit_Buffer[*apdu_len + npdu_len], &Temp_Buf[0], len);
*apdu_len += len;
copy_status = true;
}
return copy_status;
}
void handler_read_property_multiple(uint8_t * service_request, uint16_t service_len, BACNET_ADDRESS * src, BACNET_CONFIRMED_SERVICE_DATA * service_data)
{
int len = 0;
int decode_len = 0;
int pdu_len = 0;
BACNET_NPDU_DATA npdu_data;
bool error = false;
bool done;
bool property_found;
int bytes_sent;
BACNET_ERROR_CLASS error_class = ERROR_CLASS_OBJECT;
BACNET_ERROR_CODE error_code = ERROR_CODE_UNKNOWN_OBJECT;
BACNET_ADDRESS my_address;
BACNET_OBJECT_TYPE object_type;
uint32_t object_instance = 0;
int apdu_len = 0;
int npdu_len;
BACNET_PROPERTY_ID object_property, temp_object_property;
int32_t array_index = 0;
uint8 index;
uint8 num_properties;
/* jps_debug - see if we are utilizing all the buffer */
/* memset(&Handler_Transmit_Buffer[0], 0xff, MAX_MPDU);*/
/* encode the NPDU portion of the packet */
datalink_get_my_address(&my_address);
npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
npdu_len = npdu_encode_pdu(
&Handler_Transmit_Buffer[0],
src, &my_address, &npdu_data);
#if PRINT_ENABLED
if (service_len <= 0)
printf("RPM: Unable to decode request!\r\n");
#endif
/* bad decoding - send an abort */
if (service_len == 0)
{
apdu_len = abort_encode_apdu(&Handler_Transmit_Buffer[npdu_len], service_data->invoke_id, ABORT_REASON_OTHER, true);
#if PRINT_ENABLED
printf("RPM: Sending Abort!\r\n");
#endif
} else if (service_data->segmented_message) {
apdu_len = abort_encode_apdu(&Handler_Transmit_Buffer[npdu_len], service_data->invoke_id, ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true);
#if PRINT_ENABLED
printf("RPM: Sending Abort!\r\n");
#endif
} else {
/* decode apdu request & encode apdu reply
encode complex ack, invoke id, service choice */
apdu_len = rpm_ack_encode_apdu_init(&Handler_Transmit_Buffer[npdu_len], service_data->invoke_id);
do
{
len = rpm_ack_decode_object_id(
&service_request[decode_len],
service_len - decode_len,
&object_type, &object_instance);
if (len < 0) {
break;
} else {
decode_len += len;
}
len = rpm_ack_encode_apdu_object_begin(
&Temp_Buf[0],
object_type, object_instance);
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(
&Handler_Transmit_Buffer[npdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED,
true);
break;
}
/* do each property of this object of the RPM request */
done = true;
num_properties = 0;
property_found = false;
do
{
if (done) {
len = rpm_decode_object_property(
&service_request[decode_len],
service_len - decode_len,
&object_property,
&array_index);
if (len < 0) {
break;
} else {
index = 0;
decode_len += len;
temp_object_property = object_property;
}
}
/* handle the special properties */
if ((object_property == PROP_ALL) ||
(object_property == PROP_REQUIRED) ||
(object_property == PROP_OPTIONAL))
{
done = false;
switch(object_type)
{
case OBJECT_DEVICE:
property_found = Device_Property(
&index, &temp_object_property,
object_property);
break;
case OBJECT_ANALOG_INPUT:
property_found = Analog_Input_Property(
&index, &temp_object_property,
object_property);
break;
case OBJECT_BINARY_INPUT:
property_found = Binary_Input_Property(
&index, &temp_object_property,
object_property);
break;
case OBJECT_ANALOG_OUTPUT:
property_found = Analog_Output_Property(
&index, &temp_object_property,
object_property);
break;
}
if (property_found) {
num_properties++;
} else {
if (num_properties > 0) {
done = true;
/* check for another property */
len = rpm_decode_object_property(
&service_request[decode_len],
service_len - decode_len,
&object_property,
&array_index);
if (len < 0) {
/* check for closing tag */
len = rpm_ack_decode_object_end(
&service_request[decode_len],
service_len - decode_len);
if (len == 1) {
decode_len++;
}
break;
} else {
decode_len += len;
temp_object_property = object_property;
property_found = true;
if ((object_property == PROP_ALL) ||
(object_property == PROP_REQUIRED) ||
(object_property == PROP_OPTIONAL))
{
done = false;
index = 0;
switch(object_type)
{
case OBJECT_DEVICE:
property_found =
Device_Property(&index,
&temp_object_property,
object_property);
break;
case OBJECT_ANALOG_INPUT:
property_found =
Analog_Input_Property(&index,
&temp_object_property,
object_property);
break;
case OBJECT_BINARY_INPUT:
property_found =
Binary_Input_Property(&index,
&temp_object_property,
object_property);
break;
case OBJECT_ANALOG_OUTPUT:
property_found =
Analog_Output_Property(&index,
&temp_object_property,
object_property);
break;
}
}
}
} else {
error = true;
done = true;
}
}
} else {
done = true;
property_found = true;
}
len = rpm_ack_encode_apdu_object_property(
&Temp_Buf[0],
temp_object_property,
array_index);
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(
&Handler_Transmit_Buffer[npdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true);
break;
}
len = encode_opening_tag(&Temp_Buf[0], 4);
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(&Handler_Transmit_Buffer[npdu_len], service_data->invoke_id, ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true);
break;
}
len = -1;
switch(object_type) {
case OBJECT_DEVICE:
if ((object_instance != Device_Object_Instance_Number()) &&
((object_instance != BACNET_MAX_INSTANCE) &&
(temp_object_property != PROP_OBJECT_IDENTIFIER))) {
error_class = ERROR_CLASS_OBJECT;
error_code = ERROR_CODE_UNKNOWN_OBJECT;
} else if (!property_found) {
error_class = ERROR_CLASS_PROPERTY;
error_code = ERROR_CODE_UNKNOWN_PROPERTY;
} else {
len = Device_Encode_Property_APDU(
&Temp_Buf[0],
temp_object_property,
array_index,
&error_class, &error_code);
}
break;
case OBJECT_ANALOG_INPUT:
if (!Analog_Input_Valid_Instance(object_instance)) {
error_class = ERROR_CLASS_OBJECT;
error_code = ERROR_CODE_UNKNOWN_OBJECT;
} else if (!property_found) {
error_class = ERROR_CLASS_PROPERTY;
error_code = ERROR_CODE_UNKNOWN_PROPERTY;
} else {
len = Analog_Input_Encode_Property_APDU(
&Temp_Buf[0],
object_instance,
temp_object_property,
array_index,
&error_class, &error_code);
}
break;
case OBJECT_BINARY_INPUT:
if (!Binary_Input_Valid_Instance(object_instance)) {
error_class = ERROR_CLASS_OBJECT;
error_code = ERROR_CODE_UNKNOWN_OBJECT;
} else if (!property_found) {
error_class = ERROR_CLASS_PROPERTY;
error_code = ERROR_CODE_UNKNOWN_PROPERTY;
} else {
len = Binary_Input_Encode_Property_APDU(
&Temp_Buf[0],
object_instance,
temp_object_property,
array_index,
&error_class, &error_code);
}
break;
case OBJECT_ANALOG_OUTPUT:
if (!Analog_Output_Valid_Instance(object_instance)) {
error_class = ERROR_CLASS_OBJECT;
error_code = ERROR_CODE_UNKNOWN_OBJECT;
} else if (!property_found) {
error_class = ERROR_CLASS_PROPERTY;
error_code = ERROR_CODE_UNKNOWN_PROPERTY;
} else {
len = Analog_Output_Encode_Property_APDU(
&Temp_Buf[0],
object_instance,
temp_object_property,
array_index,
&error_class, &error_code);
}
break;
default:
len = -1;
error_class = ERROR_CLASS_OBJECT;
error_code = ERROR_CODE_UNSUPPORTED_OBJECT_TYPE;
break;
}
if (len < 0) {
len = rpm_ack_encode_apdu_object_property_error(
&Temp_Buf[0],
error_class, error_code);
apdu_len--;
error = true;
}
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(
&Handler_Transmit_Buffer[npdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED,
true);
}
if (!error && property_found) {
len = encode_closing_tag(&Temp_Buf[0], 4);
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(&Handler_Transmit_Buffer[npdu_len], service_data->invoke_id, ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true);
break;
}
} else {
error = false;
}
/* check for closing tag */
if (done) {
len = rpm_ack_decode_object_end(
&service_request[decode_len],
service_len - decode_len);
if (len == 1) {
decode_len++;
break;
}
}
} while(1);
len = encode_closing_tag(&Temp_Buf[0], 1);
if (!copy_apdu_data_buffer(&apdu_len, len, npdu_len)) {
apdu_len = abort_encode_apdu(
&Handler_Transmit_Buffer[npdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED,
true);
break;
}
if (decode_len >= service_len) {
break;
}
} while(1);
}
pdu_len = apdu_len + npdu_len;
bytes_sent = datalink_send_pdu(
src,
&npdu_data,
&Handler_Transmit_Buffer[0],
pdu_len);
}
bacnet-stack/demo/object/device.c
+133
View File
@@ -47,6 +47,45 @@
#include "bacfile.h" /* object list dependency */
#endif
/* These three arrays are used by the ReadPropertyMultiple handler */
static int Device_Properties_Required[] =
{
PROP_OBJECT_IDENTIFIER,
PROP_OBJECT_NAME,
PROP_OBJECT_TYPE,
PROP_SYSTEM_STATUS,
PROP_VENDOR_NAME,
PROP_VENDOR_IDENTIFIER,
PROP_MODEL_NAME,
PROP_FIRMWARE_REVISION,
PROP_APPLICATION_SOFTWARE_VERSION,
PROP_DESCRIPTION,
PROP_PROTOCOL_VERSION,
PROP_PROTOCOL_REVISION,
PROP_PROTOCOL_SERVICES_SUPPORTED,
PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED,
PROP_OBJECT_LIST,
PROP_MAX_APDU_LENGTH_ACCEPTED,
PROP_SEGMENTATION_SUPPORTED,
PROP_APDU_TIMEOUT,
PROP_NUMBER_OF_APDU_RETRIES,
PROP_MAX_MASTER,
PROP_MAX_INFO_FRAMES,
PROP_DEVICE_ADDRESS_BINDING,
PROP_DATABASE_REVISION,
-1
};
static int Device_Properties_Optional[] =
{
-1
};
static int Device_Properties_Proprietary[] =
{
-1
};
/* note: you really only need to define variables for
properties that are writable or that may change.
The properties that are constant can be hard coded
@@ -900,6 +939,100 @@ bool Device_Write_Property(BACNET_WRITE_PROPERTY_DATA * wp_data,
return status;
}
int int_list_count(const int *pList)
{
int property_count = 0;
while (*pList != -1) {
property_count++;
}
return property_count;
}
/* used to count the ALL, REQUIRED and OPTIONAL */
int Device_Special_Property_Count(BACNET_PROPERTY_ID special_property)
{
const int *pList = NULL;
int property_count = 0;
if (special_property == PROP_ALL) {
property_count =
int_list_count(Device_Properties_Required);
property_count +=
int_list_count(Device_Properties_Optional);
property_count +=
int_list_count(Device_Properties_Proprietary);
} else if (special_property == PROP_REQUIRED) {
property_count =
int_list_count(Device_Properties_Required);
} else if (special_property == PROP_OPTIONAL) {
property_count =
int_list_count(Device_Properties_Optional);
}
return property_count;
}
/* returns the property ID given by the index into the list
or MAX_BACNET_PROPERTY_ID if not found or out of bounds */
BACNET_PROPERTY_ID Device_Special_Property_By_Index(
BACNET_PROPERTY_ID special_property, /* ALL, OPTIONAL, REQUIRED */
int index)
{
BACNET_PROPERTY_ID property = MAX_BACNET_PROPERTY_ID;
int required = 0, optional = 0, proprietary = 0;
/* FIXME: we could use static vars to speed up access */
if (special_property == PROP_ALL) {
required =
property_list_count(Device_Properties_Required);
optional =
property_list_count(Device_Properties_Optional);
proprietary =
property_list_count(Device_Properties_Proprietary);
if (index < required) {
property = Device_Properties_Required[index];
} else if (index < (required + optional)) {
property = Device_Properties_Optional[index];
} else if (index < (required + optional + proprietary)) {
property = Device_Properties_Proprietary[index];
}
} else if (special_property == PROP_REQUIRED) {
required =
property_list_count(Device_Properties_Required);
if (index < required) {
property = Device_Properties_Required[index];
}
} else if (special_property == PROP_OPTIONAL) {
optional =
property_list_count(Device_Properties_Optional);
if (index < optional) {
property = Device_Properties_Optional[index];
}
}
return property;
}
/* added for rpm service support when requesting prop_all,
prop_required, or prop_optional */
bool Device_Property(uint8 *pIndex, BACNET_PROPERTY_ID *pProperty, BACNET_PROPERTY_ID special_property)
{
bool result = false;
BACNET_PROPERTY_ID property;
property = Device_Special_Property_By_Index(
special_property, *pIndex);
if (property != MAX_BACNET_PROPERTY_ID) {
(*pIndex)++;
*pProperty = property;
result = true;
}
return result;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
bacnet-stack/demo/object/device.h
+14
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@@ -104,6 +104,20 @@ extern "C" {
bool Device_Write_Property(BACNET_WRITE_PROPERTY_DATA * wp_data,
BACNET_ERROR_CLASS * error_class, BACNET_ERROR_CODE * error_code);
/* support for RPM */
int Device_Special_Property_Count(BACNET_PROPERTY_ID special_property);
/* returns the property ID given by the index into the list
or MAX_BACNET_PROPERTY_ID if not found or out of bounds */
BACNET_PROPERTY_ID Device_Special_Property_By_Index(
BACNET_PROPERTY_ID special_property, /* ALL, OPTIONAL, REQUIRED */
int index);
bool Device_Property(uint8 *pIndex, BACNET_PROPERTY_ID *pProperty,
BACNET_PROPERTY_ID special_property);
#ifdef __cplusplus
}
#endif /* __cplusplus */