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skarg
2005-06-02 11:22:36 +00:00
parent 68f7e4bc8a
commit fea7e7f171
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bacnet-stack/awf.c
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/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 Steve Karg
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
#include <stdint.h>
#include "bacenum.h"
#include "bacdcode.h"
#include "bacdef.h"
#include "device.h"
#include "wp.h"
// Atomic Write File
// encode service
int awf_encode_apdu(
uint8_t *apdu,
uint8_t invoke_id,
BACNET_WRITE_PROPERTY_DATA *data)
{
int apdu_len = 0; // total length of the apdu, return value
if (apdu)
{
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, Device_Max_APDU_Length_Accepted());
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_WRITE_PROPERTY; // service choice
apdu_len = 4;
apdu_len += encode_context_object_id(&apdu[apdu_len], 0,
data->object_type, data->object_instance);
apdu_len += encode_context_enumerated(&apdu[apdu_len], 1,
data->access);
apdu_len += encode_opening_tag(&apdu[apdu_len], 2);
switch (data->access)
{
case FILE_RECORD_ACCESS:
apdu_len += encode_tagged_signed(&apdu[apdu_len],
data->fileStartRecord);
apdu_len += encode_tagged_unsigned(&apdu[apdu_len],
data->returnedRecordCount);
apdu_len += encode_tagged_octet_string(&apdu[apdu_len],
data->fileData, data->fileDataLength);
break;
case FILE_STREAM_ACCESS:
default:
apdu_len += encode_tagged_signed(&apdu[apdu_len],
data->fileStartPosition);
apdu_len += encode_tagged_octet_string(&apdu[apdu_len],
data->fileData, data->fileDataLength);
break;
}
apdu_len += encode_closing_tag(&apdu[apdu_len], 2);
}
return apdu_len;
}
// decode the service request only
int awf_decode_service_request(
uint8_t *apdu,
unsigned apdu_len,
BACNET_WRITE_PROPERTY_DATA *data)
{
int len = 0;
int tag_len = 0;
uint8_t tag_number = 0;
uint32_t len_value_type = 0;
int type = 0; // for decoding
int property = 0; // for decoding
unsigned unsigned_value = 0;
int hour, min, sec, hundredths;
int year, month, day, wday;
int object_type = 0;
uint32_t instance = 0;
// check for value pointers
if (apdu_len && data)
{
// Tag 0: Object ID
if (!decode_is_context_tag(&apdu[len++], 0))
return -1;
len += decode_object_id(&apdu[len], &type, &data->object_instance);
data->object_type = type;
// Tag 1: Property ID
len += decode_tag_number_and_value(&apdu[len],
&tag_number, &len_value_type);
if (tag_number != 1)
return -1;
len += decode_enumerated(&apdu[len], len_value_type, &property);
data->object_property = property;
// Tag 2: Optional Array Index
// note: decode without incrementing len so we can check for opening tag
tag_len = decode_tag_number_and_value(&apdu[len],
&tag_number, &len_value_type);
if (tag_number == 2)
{
len += tag_len;
len += decode_unsigned(&apdu[len], len_value_type,
&unsigned_value);
data->array_index = unsigned_value;
}
else
data->array_index = BACNET_ARRAY_ALL;
// Tag 3: opening context tag */
if (!decode_is_opening_tag_number(&apdu[len], 3))
return -1;
// a tag number of 3 is not extended so only one octet
len++;
tag_len = decode_tag_number_and_value(&apdu[len],
&tag_number, &len_value_type);
if (tag_len)
{
len += tag_len;
if (tag_number == BACNET_APPLICATION_TAG_NULL)
{
data->value.tag = tag_number;
}
else if (tag_number == BACNET_APPLICATION_TAG_BOOLEAN)
{
data->value.tag = tag_number;
data->value.type.Boolean = decode_boolean(len_value_type);
}
else if (tag_number == BACNET_APPLICATION_TAG_UNSIGNED_INT)
{
data->value.tag = tag_number;
len += decode_unsigned(&apdu[len],
len_value_type,
&data->value.type.Unsigned_Int);
}
else if (tag_number == BACNET_APPLICATION_TAG_SIGNED_INT)
{
data->value.tag = tag_number;
len += decode_signed(&apdu[len],
len_value_type,
&data->value.type.Signed_Int);
}
else if (tag_number == BACNET_APPLICATION_TAG_REAL)
{
data->value.tag = tag_number;
len += decode_real(&apdu[len],&(data->value.type.Real));
}
else if (tag_number == BACNET_APPLICATION_TAG_ENUMERATED)
{
data->value.tag = tag_number;
len += decode_enumerated(&apdu[len],
len_value_type,
&data->value.type.Enumerated);
}
else if (tag_number == BACNET_APPLICATION_TAG_DATE)
{
data->value.tag = tag_number;
len += decode_date(&apdu[len], &year, &month, &day, &wday);
data->value.type.Date.year = year;
data->value.type.Date.month = month;
data->value.type.Date.day = day;
data->value.type.Date.wday = wday;
}
else if (tag_number == BACNET_APPLICATION_TAG_TIME)
{
data->value.tag = tag_number;
len += decode_bacnet_time(&apdu[len], &hour, &min, &sec, &hundredths);
data->value.type.Time.hour = hour;
data->value.type.Time.min = min;
data->value.type.Time.sec = sec;
data->value.type.Time.hundredths = hundredths;
}
else if (tag_number == BACNET_APPLICATION_TAG_OBJECT_ID)
{
data->value.tag = tag_number;
len += decode_object_id(&apdu[len],
&object_type,
&instance);
data->value.type.Object_ID.type = object_type;
data->value.type.Object_ID.instance = instance;
}
else
return -1;
}
else
return -1;
if (!decode_is_closing_tag_number(&apdu[len], 3))
return -1;
// a tag number of 3 is not extended so only one octet
len++;
// Tag 4: optional Priority
data->priority = BACNET_MAX_PRIORITIES;
if ((unsigned)len < apdu_len)
{
tag_len = decode_tag_number_and_value(&apdu[len],
&tag_number, &len_value_type);
if (tag_number == 4)
{
len += tag_len;
len = decode_unsigned(&apdu[len], len_value_type, &unsigned_value);
data->priority = unsigned_value;
}
}
}
return len;
}
int awf_decode_apdu(
uint8_t *apdu,
unsigned apdu_len,
uint8_t *invoke_id,
BACNET_WRITE_PROPERTY_DATA *data)
{
int len = 0;
unsigned offset = 0;
if (!apdu)
return -1;
// optional checking - most likely was already done prior to this call
if (apdu[0] != PDU_TYPE_CONFIRMED_SERVICE_REQUEST)
return -1;
// apdu[1] = encode_max_segs_max_apdu(0, Device_Max_APDU_Length_Accepted());
*invoke_id = apdu[2]; /* invoke id - filled in by net layer */
if (apdu[3] != SERVICE_CONFIRMED_WRITE_PROPERTY)
return -1;
offset = 4;
if (apdu_len > offset)
{
len = awf_decode_service_request(
&apdu[offset],
apdu_len - offset,
data);
}
return len;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
#include "ctest.h"
void testWritePropertyTag(Test * pTest,
BACNET_WRITE_PROPERTY_DATA *data)
{
BACNET_WRITE_PROPERTY_DATA test_data = {0};
uint8_t apdu[480] = {0};
int len = 0;
int apdu_len = 0;
uint8_t invoke_id = 128;
uint8_t test_invoke_id = 0;
len = awf_encode_apdu(
&apdu[0],
invoke_id,
data);
ct_test(pTest, len != 0);
apdu_len = len;
len = awf_decode_apdu(
&apdu[0],
apdu_len,
&test_invoke_id,
&test_data);
ct_test(pTest, len != -1);
ct_test(pTest, test_data.object_type == data->object_type);
ct_test(pTest, test_data.object_instance == data->object_instance);
ct_test(pTest, test_data.object_property == data->object_property);
ct_test(pTest, test_data.array_index == data->array_index);
ct_test(pTest, test_data.value.tag == data->value.tag);
switch (test_data.value.tag)
{
case BACNET_APPLICATION_TAG_NULL:
break;
case BACNET_APPLICATION_TAG_BOOLEAN:
ct_test(pTest, test_data.value.type.Boolean ==
data->value.type.Boolean);
break;
case BACNET_APPLICATION_TAG_UNSIGNED_INT:
ct_test(pTest, test_data.value.type.Unsigned_Int ==
data->value.type.Unsigned_Int);
break;
case BACNET_APPLICATION_TAG_SIGNED_INT:
ct_test(pTest, test_data.value.type.Signed_Int ==
data->value.type.Signed_Int);
break;
case BACNET_APPLICATION_TAG_REAL:
ct_test(pTest, test_data.value.type.Real ==
data->value.type.Real);
break;
case BACNET_APPLICATION_TAG_ENUMERATED:
ct_test(pTest, test_data.value.type.Enumerated ==
data->value.type.Enumerated);
break;
case BACNET_APPLICATION_TAG_DATE:
ct_test(pTest, test_data.value.type.Date.year ==
data->value.type.Date.year);
ct_test(pTest, test_data.value.type.Date.month ==
data->value.type.Date.month);
ct_test(pTest, test_data.value.type.Date.day ==
data->value.type.Date.day);
ct_test(pTest, test_data.value.type.Date.wday ==
data->value.type.Date.wday);
break;
case BACNET_APPLICATION_TAG_TIME:
ct_test(pTest, test_data.value.type.Time.hour ==
data->value.type.Time.hour);
ct_test(pTest, test_data.value.type.Time.min ==
data->value.type.Time.min);
ct_test(pTest, test_data.value.type.Time.sec ==
data->value.type.Time.sec);
ct_test(pTest, test_data.value.type.Time.hundredths ==
data->value.type.Time.hundredths);
break;
case BACNET_APPLICATION_TAG_OBJECT_ID:
ct_test(pTest, test_data.value.type.Object_ID.type ==
data->value.type.Object_ID.type);
ct_test(pTest, test_data.value.type.Object_ID.instance ==
data->value.type.Object_ID.instance);
break;
default:
break;
}
}
void testWriteProperty(Test * pTest)
{
BACNET_WRITE_PROPERTY_DATA data = {0};
data.value.tag = BACNET_APPLICATION_TAG_NULL;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_BOOLEAN;
data.value.type.Boolean = true;
testWritePropertyTag(pTest, &data);
data.value.type.Boolean = false;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_UNSIGNED_INT;
data.value.type.Unsigned_Int = 0;
testWritePropertyTag(pTest, &data);
data.value.type.Unsigned_Int = 0xFFFF;
testWritePropertyTag(pTest, &data);
data.value.type.Unsigned_Int = 0xFFFFFFFF;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_SIGNED_INT;
data.value.type.Signed_Int = 0;
testWritePropertyTag(pTest, &data);
data.value.type.Signed_Int = -1;
testWritePropertyTag(pTest, &data);
data.value.type.Signed_Int = 32768;
testWritePropertyTag(pTest, &data);
data.value.type.Signed_Int = -32768;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_REAL;
data.value.type.Real = 0.0;
testWritePropertyTag(pTest, &data);
data.value.type.Real = -1.0;
testWritePropertyTag(pTest, &data);
data.value.type.Real = 1.0;
testWritePropertyTag(pTest, &data);
data.value.type.Real = 3.14159;
testWritePropertyTag(pTest, &data);
data.value.type.Real = -3.14159;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_ENUMERATED;
data.value.type.Enumerated = 0;
testWritePropertyTag(pTest, &data);
data.value.type.Enumerated = 0xFFFF;
testWritePropertyTag(pTest, &data);
data.value.type.Enumerated = 0xFFFFFFFF;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_DATE;
data.value.type.Date.year = 5;
data.value.type.Date.month = 5;
data.value.type.Date.day = 22;
data.value.type.Date.wday = 1;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_TIME;
data.value.type.Time.hour = 23;
data.value.type.Time.min = 59;
data.value.type.Time.sec = 59;
data.value.type.Time.hundredths = 12;
testWritePropertyTag(pTest, &data);
data.value.tag = BACNET_APPLICATION_TAG_OBJECT_ID;
data.value.type.Object_ID.type = OBJECT_ANALOG_INPUT;
data.value.type.Object_ID.instance = 0;
testWritePropertyTag(pTest, &data);
data.value.type.Object_ID.type = OBJECT_LIFE_SAFETY_ZONE;
data.value.type.Object_ID.instance = BACNET_MAX_INSTANCE;
testWritePropertyTag(pTest, &data);
return;
}
#ifdef TEST_WRITE_PROPERTY
uint16_t Device_Max_APDU_Length_Accepted(void)
{
return MAX_APDU;
}
int main(void)
{
Test *pTest;
bool rc;
pTest = ct_create("BACnet WriteProperty", NULL);
/* individual tests */
rc = ct_addTestFunction(pTest, testWriteProperty);
assert(rc);
ct_setStream(pTest, stdout);
ct_run(pTest);
(void) ct_report(pTest);
ct_destroy(pTest);
return 0;
}
#endif /* TEST_WRITE_PROPERTY */
#endif /* TEST */
bacnet-stack/awf.h
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/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 Steve Karg
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
#ifndef ATOMIC_WRITE_FILE_H
#define ATOMIC_WRITE_FILE_H
#include <stdint.h>
#include <stdbool.h>
#include "bacdcode.h"
typedef struct BACnet_Atomic_Write_File_Data
{
BACNET_OBJECT_TYPE object_type;
uint32_t object_instance;
BACNET_FILE_ACCESS_METHOD access;
union
{
struct
{
int fileStartPosition;
uint8_t *fileData;
unsigned fileDataLength;
} stream;
struct
{
int fileStartRecord;
uint8_t *fileData;
unsigned fileDataLength;
unsigned returnedRecordCount;
} record;
}
} BACNET_WRITE_PROPERTY_DATA;
// encode service
int awf_encode_apdu(
uint8_t *apdu,
uint8_t invoke_id,
BACNET_WRITE_PROPERTY_DATA *data);
// decode the service request only
int awf_decode_service_request(
uint8_t *apdu,
unsigned apdu_len,
BACNET_WRITE_PROPERTY_DATA *data);
int awf_decode_apdu(
uint8_t *apdu,
unsigned apdu_len,
uint8_t *invoke_id,
BACNET_WRITE_PROPERTY_DATA *data);
#ifdef TEST
#include "ctest.h"
void test_AtomicWriteFile(Test * pTest);
void test_AtomicWriteFileAck(Test * pTest);
#endif
#endif
bacnet-stack/awf.mak
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#Makefile to build test case
CC = gcc
BASEDIR = .
#CFLAGS = -Wall -I.
# -g for debugging with gdb
#CFLAGS = -Wall -I. -g
CFLAGS = -Wall -I. -Itest -DTEST -DTEST_ATOMIC_WRITE_FILE -DBACDL_BIP=1 -g
SRCS = bacdcode.c \
bigend.c \
awf.c \
test/ctest.c
OBJS = ${SRCS:.c=.o}
TARGET = atomicwritefile
all: ${TARGET}
${TARGET}: ${OBJS}
${CC} -o $@ ${OBJS}
.c.o:
${CC} -c ${CFLAGS} $*.c -o $@
depend:
rm -f .depend
${CC} -MM ${CFLAGS} *.c >> .depend
clean:
rm -rf core ${TARGET} $(OBJS) *.bak *.1 *.ini
include: .depend