added ReadPropertyMultiple client demo application, bacrpm.

This commit is contained in:
skarg
2008-11-23 22:25:08 +00:00
parent 815d8f8dbb
commit 7921d2f811
22 changed files with 772 additions and 77 deletions
+11 -29
View File
@@ -1,7 +1,7 @@
/**************************************************************************
*
* Copyright (C) 2007 Steve Karg <skarg@users.sourceforge.net>
* Inspired by John Stachler <John.Stachler@lennoxind.com>
* Inspired by John Stachler <John.Stachler@lennoxind.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
@@ -30,6 +30,7 @@
#include <string.h>
#include "config.h"
#include "txbuf.h"
#include "memcopy.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "apdu.h"
@@ -210,27 +211,6 @@ static unsigned RPM_Object_Property_Count(
return count;
}
/* copy len bytes from src to offset of dest if there is enough space. */
int apdu_copy(
uint8_t * dest,
uint8_t * src,
int offset,
int len,
int max)
{
int i;
int copy_len = 0;
if (len <= (max - offset)) {
for (i = 0; i < len; i++) {
dest[offset + i] = src[i];
copy_len++;
}
}
return copy_len;
}
/* Encode the RPM property returning the length of the encoding,
or 0 if there is no room to fit the encoding. */
int RPM_Encode_Property(
@@ -250,9 +230,10 @@ int RPM_Encode_Property(
len =
rpm_ack_encode_apdu_object_property(&Temp_Buf[0], object_property,
array_index);
len = apdu_copy(&apdu[0], &Temp_Buf[0], offset, len, max_apdu);
if (!len)
len = memcopy(&apdu[0], &Temp_Buf[0], offset, len, max_apdu);
if (!len) {
return 0;
}
apdu_len += len;
len =
Encode_Property_APDU(&Temp_Buf[0], object_type, object_instance,
@@ -263,10 +244,11 @@ int RPM_Encode_Property(
rpm_ack_encode_apdu_object_property_error(&Temp_Buf[0],
error_class, error_code);
len =
apdu_copy(&apdu[0], &Temp_Buf[0], offset + apdu_len, len,
memcopy(&apdu[0], &Temp_Buf[0], offset + apdu_len, len,
max_apdu);
if (!len)
if (!len) {
return 0;
}
} else if ((offset + apdu_len + 1 + len + 1) < max_apdu) {
/* enough room to fit the property value and tags */
len =
@@ -339,7 +321,7 @@ void handler_read_property_multiple(
decode_len++;
len = rpm_ack_encode_apdu_object_end(&Temp_Buf[0]);
copy_len =
apdu_copy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0],
memcopy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0],
apdu_len, len, sizeof(Handler_Transmit_Buffer));
if (!copy_len) {
apdu_len =
@@ -362,7 +344,7 @@ void handler_read_property_multiple(
rpm_ack_encode_apdu_object_begin(&Temp_Buf[0], object_type,
object_instance);
copy_len =
apdu_copy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0],
memcopy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0],
apdu_len, len, sizeof(Handler_Transmit_Buffer));
if (!copy_len) {
apdu_len =
@@ -389,7 +371,7 @@ void handler_read_property_multiple(
decode_len++;
len = rpm_ack_encode_apdu_object_end(&Temp_Buf[0]);
copy_len =
apdu_copy(&Handler_Transmit_Buffer[npdu_len],
memcopy(&Handler_Transmit_Buffer[npdu_len],
&Temp_Buf[0], apdu_len, len,
sizeof(Handler_Transmit_Buffer));
if (!copy_len) {
+246
View File
@@ -0,0 +1,246 @@
/**************************************************************************
*
* Copyright (C) 2008 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 "config.h"
#include "config.h"
#include "txbuf.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "address.h"
#include "tsm.h"
#include "npdu.h"
#include "apdu.h"
#include "device.h"
#include "datalink.h"
#include "bactext.h"
#include "rpm.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
/* returns the number of bytes decoded, or -1 on error */
/* note: initial the linked list of read_access_data */
static int rpm_ack_decode_service_request(
uint8_t * apdu,
int apdu_len, /* total length of the apdu */
BACNET_READ_ACCESS_DATA * read_access_data)
{
int decoded_len = 0; /* return value */
int len = 0; /* number of bytes returned from decoding */
BACNET_READ_ACCESS_DATA *rpm_object;
BACNET_READ_ACCESS_DATA *old_rpm_object;
BACNET_PROPERTY_REFERENCE *rpm_property;
BACNET_PROPERTY_REFERENCE *old_rpm_property;
BACNET_APPLICATION_DATA_VALUE *value;
BACNET_APPLICATION_DATA_VALUE *old_value;
rpm_object = read_access_data;
old_rpm_object = rpm_object;
while (rpm_object && apdu_len) {
len = rpm_ack_decode_object_id(
apdu, apdu_len,
&rpm_object->object_type,
&rpm_object->object_instance);
if (len <= 0) {
old_rpm_object->next = NULL;
free(rpm_object);
break;
}
decoded_len += len;
apdu_len -= len;
apdu += len;
rpm_property = calloc(1, sizeof(BACNET_PROPERTY_REFERENCE));
rpm_object->listOfProperties = rpm_property;
old_rpm_property = rpm_property;
while (rpm_property && apdu_len) {
len = rpm_ack_decode_object_property(
apdu,
apdu_len,
&rpm_property->propertyIdentifier,
&rpm_property->propertyArrayIndex);
if (len <= 0) {
old_rpm_property->next = NULL;
free(rpm_property);
break;
}
decoded_len += len;
apdu_len -= len;
apdu += len;
if (apdu_len && decode_is_opening_tag_number(apdu, 4)) {
decoded_len++;
apdu_len--;
apdu++;
/* note: if this is an array, there will be
more than one element to decode */
value = calloc(1, sizeof(BACNET_APPLICATION_DATA_VALUE));
rpm_property->value = value;
old_value = value;
while (value && (apdu_len > 0)) {
len = bacapp_decode_application_data(
apdu,
apdu_len,
value);
decoded_len += len;
apdu_len -= len;
apdu += len;
if (apdu_len && decode_is_closing_tag_number(apdu, 4)) {
decoded_len++;
apdu_len--;
apdu++;
break;
} else {
old_value = value;
value = calloc(1, sizeof(BACNET_APPLICATION_DATA_VALUE));
old_value->next = value;
}
}
}
old_rpm_property = rpm_property;
rpm_property = calloc(1, sizeof(BACNET_PROPERTY_REFERENCE));
old_rpm_property->next = rpm_property;
}
len = rpm_decode_object_end(apdu, apdu_len);
if (len) {
decoded_len += len;
apdu_len -= len;
apdu += len;
}
if (apdu_len) {
old_rpm_object = rpm_object;
rpm_object = calloc(1, sizeof(BACNET_READ_ACCESS_DATA));
old_rpm_object->next = rpm_object;
}
}
return decoded_len;
}
/* for debugging... */
static void PrintReadPropertyMultipleData(
BACNET_READ_ACCESS_DATA * rpm_data)
{
BACNET_PROPERTY_REFERENCE *listOfProperties;
BACNET_APPLICATION_DATA_VALUE *value;
bool array_value = false;
if (rpm_data) {
#if PRINT_ENABLED
fprintf(stdout, "%s #%u\r\n",
bactext_object_type_name(rpm_data->object_type),
rpm_data->object_instance);
fprintf(stdout, "{\r\n");
#endif
listOfProperties = rpm_data->listOfProperties;
while (listOfProperties) {
#if PRINT_ENABLED
fprintf(stdout, " %s: ",
bactext_property_name(listOfProperties->propertyIdentifier));
#endif
if (listOfProperties->propertyArrayIndex != BACNET_ARRAY_ALL) {
#if PRINT_ENABLED
fprintf(stdout, "[%d]", listOfProperties->propertyArrayIndex);
#endif
}
value = listOfProperties->value;
#if PRINT_ENABLED
if (value->next) {
fprintf(stdout, "{");
array_value = true;
} else {
array_value = false;
}
#endif
while (value) {
bacapp_print_value(stdout,
value,
listOfProperties->propertyIdentifier);
#if PRINT_ENABLED
if (value->next) {
fprintf(stdout, ",\r\n ");
} else {
if (array_value) {
fprintf(stdout, "}\r\n");
} else {
fprintf(stdout, "\r\n");
}
}
#endif
value = value->next;
}
listOfProperties = listOfProperties->next;
}
#if PRINT_ENABLED
fprintf(stdout, "}\r\n");
#endif
}
}
void handler_read_property_multiple_ack(
uint8_t * service_request,
uint16_t service_len,
BACNET_ADDRESS * src,
BACNET_CONFIRMED_SERVICE_ACK_DATA * service_data)
{
int len = 0;
BACNET_READ_ACCESS_DATA * rpm_data;
BACNET_READ_ACCESS_DATA * old_rpm_data;
BACNET_PROPERTY_REFERENCE *rpm_property;
BACNET_PROPERTY_REFERENCE *old_rpm_property;
BACNET_APPLICATION_DATA_VALUE *value;
BACNET_APPLICATION_DATA_VALUE *old_value;
(void) src;
(void) service_data; /* we could use these... */
rpm_data = calloc(1, sizeof(BACNET_READ_ACCESS_DATA));
if (rpm_data) {
len = rpm_ack_decode_service_request(service_request, service_len,
rpm_data);
}
#if 1
fprintf(stderr, "Received Read-Property-Multiple Ack!\n");
#endif
if (len > 0) {
while (rpm_data) {
PrintReadPropertyMultipleData(rpm_data);
rpm_property = rpm_data->listOfProperties;
while (rpm_property) {
value = rpm_property->value;
while (value) {
old_value = value;
value = value->next;
free(old_value);
}
old_rpm_property = rpm_property;
rpm_property = rpm_property->next;
free(old_rpm_property);
}
old_rpm_data = rpm_data;
rpm_data = rpm_data->next;
free(old_rpm_data);
}
}
}
+117
View File
@@ -0,0 +1,117 @@
/**************************************************************************
*
* Copyright (C) 2008 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 <errno.h>
#include <string.h>
#include "config.h"
#include "config.h"
#include "txbuf.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "address.h"
#include "tsm.h"
#include "npdu.h"
#include "apdu.h"
#include "device.h"
#include "datalink.h"
#include "dcc.h"
#include "rpm.h"
/* some demo stuff needed */
#include "handlers.h"
#include "sbuf.h"
/* returns invoke id of 0 if device is not bound or no tsm available */
uint8_t Send_Read_Property_Multiple_Request(
uint8_t * pdu,
size_t max_pdu,
uint32_t device_id, /* destination device */
BACNET_READ_ACCESS_DATA *read_access_data)
{
BACNET_ADDRESS dest;
BACNET_ADDRESS my_address;
unsigned max_apdu = 0;
uint8_t invoke_id = 0;
bool status = false;
int len = 0;
int pdu_len = 0;
int bytes_sent = 0;
BACNET_NPDU_DATA npdu_data;
if (!dcc_communication_enabled())
return 0;
/* is the device bound? */
status = address_get_by_device(device_id, &max_apdu, &dest);
/* is there a tsm available? */
if (status)
invoke_id = tsm_next_free_invokeID();
if (invoke_id) {
/* encode the NPDU portion of the packet */
datalink_get_my_address(&my_address);
npdu_encode_npdu_data(&npdu_data, true, MESSAGE_PRIORITY_NORMAL);
pdu_len =
npdu_encode_pdu(&pdu[0], &dest, &my_address,
&npdu_data);
/* encode the APDU portion of the packet */
len = rpm_encode_apdu(
&pdu[pdu_len],
max_pdu - pdu_len,
invoke_id,
read_access_data);
if (len <= 0) {
return 0;
}
pdu_len += len;
/* is it small enough for the the destination to receive?
note: if there is a bottleneck router in between
us and the destination, we won't know unless
we have a way to check for that and update the
max_apdu in the address binding table. */
if ((unsigned) pdu_len < max_apdu) {
tsm_set_confirmed_unsegmented_transaction(invoke_id, &dest,
&npdu_data, &pdu[0], (uint16_t) pdu_len);
bytes_sent =
datalink_send_pdu(&dest, &npdu_data,
&pdu[0], pdu_len);
#if PRINT_ENABLED
if (bytes_sent <= 0)
fprintf(stderr,
"Failed to Send ReadPropertyMultiple Request (%s)!\n",
strerror(errno));
#endif
} else {
tsm_free_invoke_id(invoke_id);
invoke_id = 0;
#if PRINT_ENABLED
fprintf(stderr,
"Failed to Send ReadPropertyMultiple Request "
"(exceeds destination maximum APDU)!\n");
#endif
}
}
return invoke_id;
}