dali/bacnet_stack
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reverting the iam lib split.

Browse Source
This commit is contained in:
skarg
2007-10-18 11:35:49 +00:00
parent 9b304596c9
commit 7c6ad3b786
3 changed files with 291 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bacnet-stack/src/iam/iam.c
Executable
+281
View File
@@ -0,0 +1,281 @@
/*####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 "bacdef.h"
#include "npdu.h"
#include "dcc.h"
#include "datalink.h"
#include "device.h"
#include "bacdcode.h"
#include "address.h"
/* encode I-Am service */
int iam_encode_apdu(uint8_t * apdu,
uint32_t device_id,
unsigned max_apdu, int segmentation, uint16_t vendor_id)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST;
apdu[1] = SERVICE_UNCONFIRMED_I_AM; /* service choice */
apdu_len = 2;
len = encode_tagged_object_id(&apdu[apdu_len],
OBJECT_DEVICE, device_id);
apdu_len += len;
len = encode_tagged_unsigned(&apdu[apdu_len], max_apdu);
apdu_len += len;
len = encode_tagged_enumerated(&apdu[apdu_len], segmentation);
apdu_len += len;
len = encode_tagged_unsigned(&apdu[apdu_len], vendor_id);
apdu_len += len;
}
return apdu_len;
}
int iam_decode_service_request(uint8_t * apdu,
uint32_t * pDevice_id,
unsigned *pMax_apdu, int *pSegmentation, uint16_t * pVendor_id)
{
int len = 0;
int apdu_len = 0; /* total length of the apdu, return value */
int object_type = 0; /* should be a Device Object */
uint32_t object_instance = 0;
uint8_t tag_number = 0;
uint32_t len_value = 0;
uint32_t decoded_value = 0;
int decoded_integer = 0;
/* OBJECT ID - object id */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_OBJECT_ID)
return -1;
len =
decode_object_id(&apdu[apdu_len], &object_type, &object_instance);
apdu_len += len;
if (object_type != OBJECT_DEVICE)
return -1;
if (pDevice_id)
*pDevice_id = object_instance;
/* MAX APDU - unsigned */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT)
return -1;
len = decode_unsigned(&apdu[apdu_len], len_value, &decoded_value);
apdu_len += len;
if (pMax_apdu)
*pMax_apdu = decoded_value;
/* Segmentation - enumerated */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_ENUMERATED)
return -1;
len = decode_enumerated(&apdu[apdu_len], len_value, &decoded_integer);
apdu_len += len;
if (decoded_integer >= MAX_BACNET_SEGMENTATION)
return -1;
if (pSegmentation)
*pSegmentation = decoded_integer;
/* Vendor ID - unsigned16 */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT)
return -1;
len = decode_unsigned(&apdu[apdu_len], len_value, &decoded_value);
apdu_len += len;
if (decoded_value > 0xFFFF)
return -1;
if (pVendor_id)
*pVendor_id = (uint16_t) decoded_value;
return apdu_len;
}
int iam_send(uint8_t * buffer)
{
int len = 0;
int pdu_len = 0;
BACNET_ADDRESS dest;
int bytes_sent = 0;
BACNET_NPDU_DATA npdu_data;
/* if we are forbidden to send, don't send! */
if (!dcc_communication_enabled())
return 0;
/* I-Am is a global broadcast */
datalink_get_broadcast_address(&dest);
/* encode the NPDU portion of the packet */
npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
pdu_len = npdu_encode_pdu(&buffer[0], &dest, NULL, &npdu_data);
/* encode the APDU portion of the packet */
len = iam_encode_apdu(&buffer[pdu_len],
Device_Object_Instance_Number(),
MAX_APDU, SEGMENTATION_NONE, Device_Vendor_Identifier());
pdu_len += len;
/* send data */
bytes_sent = datalink_send_pdu(&dest, &npdu_data, &buffer[0], pdu_len);
return bytes_sent;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
#include "ctest.h"
int iam_decode_apdu(uint8_t * apdu,
uint32_t * pDevice_id,
unsigned *pMax_apdu, int *pSegmentation, uint16_t * pVendor_id)
{
int apdu_len = 0; /* total length of the apdu, return value */
/* valid data? */
if (!apdu)
return -1;
/* optional checking - most likely was already done prior to this call */
if (apdu[0] != PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST)
return -1;
if (apdu[1] != SERVICE_UNCONFIRMED_I_AM)
return -1;
apdu_len = iam_decode_service_request(&apdu[2],
pDevice_id, pMax_apdu, pSegmentation, pVendor_id);
return apdu_len;
}
void testIAm(Test * pTest)
{
uint8_t apdu[480] = { 0 };
int len = 0;
uint32_t device_id = 42;
unsigned max_apdu = 480;
int segmentation = SEGMENTATION_NONE;
uint16_t vendor_id = 42;
uint32_t test_device_id = 0;
unsigned test_max_apdu = 0;
int test_segmentation = 0;
uint16_t test_vendor_id = 0;
len = iam_encode_apdu(&apdu[0],
device_id, max_apdu, segmentation, vendor_id);
ct_test(pTest, len != 0);
len = iam_decode_apdu(&apdu[0],
&test_device_id,
&test_max_apdu, &test_segmentation, &test_vendor_id);
ct_test(pTest, len != -1);
ct_test(pTest, test_device_id == device_id);
ct_test(pTest, test_vendor_id == vendor_id);
ct_test(pTest, test_max_apdu == max_apdu);
ct_test(pTest, test_segmentation == segmentation);
}
#ifdef TEST_IAM
/* dummy function stubs */
int datalink_send_pdu(BACNET_ADDRESS * dest,
BACNET_NPDU_DATA * npdu_data, uint8_t * pdu, unsigned pdu_len)
{
(void) dest;
(void) npdu_data;
(void) pdu;
(void) pdu_len;
return 0;
}
void datalink_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
(void) dest;
}
uint16_t Device_Vendor_Identifier(void)
{
return 0;
}
uint32_t Device_Object_Instance_Number(void)
{
return 0;
}
void address_add_binding(uint32_t device_id,
unsigned max_apdu, BACNET_ADDRESS * src)
{
(void) device_id;
(void) max_apdu;
(void) src;
}
/* dummy for apdu dependency */
void tsm_free_invoke_id(uint8_t invokeID)
{
/* dummy stub for testing */
(void) invokeID;
}
int main(void)
{
Test *pTest;
bool rc;
pTest = ct_create("BACnet I-Am", NULL);
/* individual tests */
rc = ct_addTestFunction(pTest, testIAm);
assert(rc);
ct_setStream(pTest, stdout);
ct_run(pTest);
(void) ct_report(pTest);
ct_destroy(pTest);
return 0;
}
#endif /* TEST_IAM */
#endif /* TEST */
bacnet-stack/src/iam/Makefile → bacnet-stack/src/iam/iam.mak
+10 -11
View File
@@ -3,19 +3,18 @@ CC = gcc
BASEDIR = . BASEDIR = .
# -g for debugging with gdb # -g for debugging with gdb
DEFINES = -DBACFILE=1 -DTEST -DBIG_ENDIAN=0 -DTEST_IAM -DBACDL_TEST DEFINES = -DBACFILE=1 -DTEST -DBIG_ENDIAN=0 -DTEST_IAM -DBACDL_TEST
INCLUDES = -I. -I../../include -I../../test INCLUDES = -I. -Idemo/object -Itest
CFLAGS = -Wall $(INCLUDES) $(DEFINES) -g CFLAGS = -Wall $(INCLUDES) $(DEFINES) -g
SRCS = ../bacdcode.c \ SRCS = bacdcode.c \
../bacint.c \ bacint.c \
../bacstr.c \ bacstr.c \
../npdu.c \ bigend.c \
../apdu.c \ npdu.c \
../dcc.c \ apdu.c \
../iam_client.c \ dcc.c \
../iam_server.c \ iam.c \
../iam_test.c \ test/ctest.c
../../test/ctest.c
OBJS = ${SRCS:.c=.o} OBJS = ${SRCS:.c=.o}
bacnet-stack/src/iam/iam_client.c
-110
View File
@@ -1,110 +0,0 @@
/*####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 "bacdef.h"
#include "npdu.h"
#include "dcc.h"
#include "datalink.h"
#include "device.h"
#include "bacdcode.h"
#include "address.h"
int iam_decode_service_request(uint8_t * apdu,
uint32_t * pDevice_id,
unsigned *pMax_apdu, int *pSegmentation, uint16_t * pVendor_id)
{
int len = 0;
int apdu_len = 0; /* total length of the apdu, return value */
int object_type = 0; /* should be a Device Object */
uint32_t object_instance = 0;
uint8_t tag_number = 0;
uint32_t len_value = 0;
uint32_t decoded_value = 0;
int decoded_integer = 0;
/* OBJECT ID - object id */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_OBJECT_ID)
return -1;
len =
decode_object_id(&apdu[apdu_len], &object_type, &object_instance);
apdu_len += len;
if (object_type != OBJECT_DEVICE)
return -1;
if (pDevice_id)
*pDevice_id = object_instance;
/* MAX APDU - unsigned */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT)
return -1;
len = decode_unsigned(&apdu[apdu_len], len_value, &decoded_value);
apdu_len += len;
if (pMax_apdu)
*pMax_apdu = decoded_value;
/* Segmentation - enumerated */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_ENUMERATED)
return -1;
len = decode_enumerated(&apdu[apdu_len], len_value, &decoded_integer);
apdu_len += len;
if (decoded_integer >= MAX_BACNET_SEGMENTATION)
return -1;
if (pSegmentation)
*pSegmentation = decoded_integer;
/* Vendor ID - unsigned16 */
len =
decode_tag_number_and_value(&apdu[apdu_len], &tag_number,
&len_value);
apdu_len += len;
if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT)
return -1;
len = decode_unsigned(&apdu[apdu_len], len_value, &decoded_value);
apdu_len += len;
if (decoded_value > 0xFFFF)
return -1;
if (pVendor_id)
*pVendor_id = (uint16_t) decoded_value;
return apdu_len;
}