bool bacfile_read_ack_stream_data(
uint32_t instance,
BACNET_ATOMIC_READ_FILE_DATA * data)
{
bool found = false;
FILE *pFile = NULL;
char *pFilename = NULL;
pFilename = bacfile_name(instance);
if (pFilename) {
found = true;
pFile = fopen(pFilename, "rb");
if (pFile) {
(void) fseek(pFile, data->type.stream.fileStartPosition, SEEK_SET);
if (fwrite(octetstring_value(&data->fileData),
octetstring_length(&data->fileData), 1, pFile) != 1) {
#if PRINT_ENABLED
fprintf(stderr, "Failed to write to %s (%lu)!\n", pFilename,
(unsigned long) instance);
#endif
}
fclose(pFile);
}
}
return found;
}
static void AtomicReadFileAckHandler(
uint8_t * service_request,
uint16_t service_len,
BACNET_ADDRESS * src,
BACNET_CONFIRMED_SERVICE_ACK_DATA * service_data)
{
int len = 0;
BACNET_ATOMIC_READ_FILE_DATA data;
FILE *pFile = NULL; /* stream pointer */
size_t octets_written = 0;
(void) src; /* FIXME: validate the source address matches */
len = arf_ack_decode_service_request(service_request, service_len, &data);
if (len > 0) {
/* validate the parameters before storing data */
if ((data.access == FILE_STREAM_ACCESS) &&
(service_data->invoke_id == Current_Invoke_ID)) {
if (data.type.stream.fileStartPosition == 0)
pFile = fopen(Local_File_Name, "wb");
else
pFile = fopen(Local_File_Name, "rb+");
if (pFile) {
/* is there anything to do with this? data.stream.requestedOctetCount */
(void) fseek(pFile, data.type.stream.fileStartPosition,
SEEK_SET);
octets_written = fwrite(octetstring_value(&data.fileData), 1, /* unit to write in bytes - in our case, an octet is one byte */
octetstring_length(&data.fileData), pFile);
if (octets_written != octetstring_length(&data.fileData)) {
fprintf(stderr, "Unable to write data to file \"%s\".\n",
Local_File_Name);
} else if (octets_written == 0) {
fprintf(stderr, "Received 0 byte octet string!.\n");
} else {
printf("\r%d bytes",
(data.type.stream.fileStartPosition + octets_written));
}
fflush(pFile);
fclose(pFile);
}
if (data.endOfFile) {
End_Of_File_Detected = true;
printf("\r\n");
}
}
}
}
void testAtomicWriteFileAccess(
Test * pTest,
BACNET_ATOMIC_WRITE_FILE_DATA * data)
{
BACNET_ATOMIC_WRITE_FILE_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.access == data->access);
if (test_data.access == FILE_STREAM_ACCESS) {
ct_test(pTest,
test_data.type.stream.fileStartPosition ==
data->type.stream.fileStartPosition);
} else if (test_data.access == FILE_RECORD_ACCESS) {
ct_test(pTest,
test_data.type.record.fileStartRecord ==
data->type.record.fileStartRecord);
ct_test(pTest,
test_data.type.record.returnedRecordCount ==
data->type.record.returnedRecordCount);
}
ct_test(pTest,
octetstring_length(&test_data.fileData) ==
octetstring_length(&data->fileData));
ct_test(pTest, memcmp(octetstring_value(&test_data.fileData),
octetstring_value(&data->fileData),
octetstring_length(&test_data.fileData)) == 0);
}
void testAtomicReadFileAckAccess(
Test * pTest,
BACNET_ATOMIC_READ_FILE_DATA * data)
{
BACNET_ATOMIC_READ_FILE_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;
unsigned int i = 0;
len = arf_ack_encode_apdu(&apdu[0], invoke_id, data);
ct_test(pTest, len != 0);
apdu_len = len;
len = arf_ack_decode_apdu(&apdu[0], apdu_len, &test_invoke_id, &test_data);
ct_test(pTest, len != -1);
ct_test(pTest, test_data.endOfFile == data->endOfFile);
ct_test(pTest, test_data.access == data->access);
if (test_data.access == FILE_STREAM_ACCESS) {
ct_test(pTest,
test_data.type.stream.fileStartPosition ==
data->type.stream.fileStartPosition);
ct_test(pTest,
octetstring_length(&test_data.fileData[0]) ==
octetstring_length(&data->fileData[0]));
ct_test(pTest, memcmp(octetstring_value(&test_data.fileData[0]),
octetstring_value(&data->fileData[0]),
octetstring_length(&test_data.fileData[0])) == 0);
} else if (test_data.access == FILE_RECORD_ACCESS) {
ct_test(pTest,
test_data.type.record.fileStartRecord ==
data->type.record.fileStartRecord);
ct_test(pTest,
test_data.type.record.RecordCount ==
data->type.record.RecordCount);
for (i = 0; i < data->type.record.RecordCount; i++) {
ct_test(pTest,
octetstring_length(&test_data.fileData[i]) ==
octetstring_length(&data->fileData[i]));
ct_test(pTest, memcmp(octetstring_value(&test_data.fileData[i]),
octetstring_value(&data->fileData[i]),
octetstring_length(&test_data.fileData[i])) == 0);
}
}
}
static void AtomicReadFileAckHandler(
uint8_t * service_request,
uint16_t service_len,
BACNET_ADDRESS * src,
BACNET_CONFIRMED_SERVICE_ACK_DATA * service_data)
{
int len = 0;
BACNET_ATOMIC_READ_FILE_DATA data;
if (address_match(&Target_Address, src) &&
(service_data->invoke_id == Request_Invoke_ID)) {
len =
arf_ack_decode_service_request(service_request, service_len,
&data);
if (len > 0) {
/* validate the parameters before storing data */
if ((data.access == FILE_STREAM_ACCESS) &&
(service_data->invoke_id == Request_Invoke_ID)) {
char msg[32];
uint8_t *pFileData;
int i;
sprintf(msg, "EOF=%d,start=%d,", data.endOfFile,
data.type.stream.fileStartPosition);
__LogAnswer(msg, 0);
pFileData = octetstring_value(&data.fileData);
for (i = 0; i < octetstring_length(&data.fileData); i++) {
sprintf(msg, "%02x ", *pFileData);
__LogAnswer(msg, 1);
pFileData++;
}
} else {
LogError("Bad stream access reported");
}
}
}
}
bool bacfile_write_stream_data(
BACNET_ATOMIC_WRITE_FILE_DATA * data)
{
char *pFilename = NULL;
bool found = false;
FILE *pFile = NULL;
pFilename = bacfile_name(data->object_instance);
if (pFilename) {
found = true;
if (data->type.stream.fileStartPosition == 0) {
/* open the file as a clean slate when starting at 0 */
pFile = fopen(pFilename, "wb");
} else if (data->type.stream.fileStartPosition == -1) {
/* If 'File Start Position' parameter has the special
value -1, then the write operation shall be treated
as an append to the current end of file. */
pFile = fopen(pFilename, "ab+");
} else {
/* open for update */
pFile = fopen(pFilename, "rb+");
}
if (pFile) {
if (data->type.stream.fileStartPosition != -1) {
(void) fseek(pFile, data->type.stream.fileStartPosition,
SEEK_SET);
}
if (fwrite(octetstring_value(&data->fileData),
octetstring_length(&data->fileData), 1, pFile) != 1) {
/* do something if it fails? */
}
fclose(pFile);
}
}
return found;
}