/********************************************************************
* FUNCTION read_txid_file
*
* Read the transaction ID file and return the current ID value found
*
* INPUTS:
* txidfile == full filespec of the transaction ID file
* curid == address of return ID
*
* OUTPUTS:
* *curid == return current ID (if return NO_ERR
*
* RETURNS:
* status
*********************************************************************/
static status_t
read_txid_file (const xmlChar *txidfile,
cfg_transaction_id_t *curid)
{
assert( txidfile && "txidfile is NULL" );
assert( curid && "curid is NULL" );
*curid = 0;
status_t res = NO_ERR;
FILE *fil = fopen((const char *)txidfile, "r");
if (!fil) {
res = errno_to_status();
log_error("\nError: Open txid file for read failed (%s)",
get_error_string(res));
return res;
}
char buffer [128];
if (fgets(buffer, sizeof buffer, fil)) {
/* expecting just 1 line containing the ASCII encoding of
* the transaction ID */
log_debug4("\nRead transaction ID line '%s'", buffer);
uint32 len = xml_strlen((const xmlChar *)buffer);
if (len > 1) {
/* strip ending newline */
buffer[len-1] = 0;
ncx_num_t num;
ncx_init_num(&num);
res = ncx_convert_num((xmlChar *)buffer, NCX_NF_DEC, NCX_BT_UINT64,
&num);
if (res == NO_ERR) {
agt_cfg_txid = num.ul;
*curid = num.ul;
log_debug3("\nGot transaction ID line '%llu'",
(unsigned long long)num.ul);
} else {
log_error("\nError: txid is not valid (%s)",
get_error_string(res));
}
ncx_clean_num(NCX_BT_UINT64, &num);
} else {
res = ERR_NCX_INVALID_NUM;
log_error("\nError: txid is not valid (%s)",
get_error_string(res));
}
} else {
res = errno_to_status();
log_error("\nError: Read txid file failed (%s)",
get_error_string(res));
}
fclose(fil);
return res;
} /* read_txid_file */
/********************************************************************
* FUNCTION send_buff
*
* Send the buffer to the ncxserver
*
* This function is used by applications which do not
* select for write_fds, and may not block (if fnctl used)
*
* INPUTS:
* fd == the socket to write to
* buffer == the buffer to write
* cnt == the number of bytes to write
*
* RETURNS:
* status
*********************************************************************/
status_t
send_buff (int fd,
const char *buffer,
size_t cnt)
{
size_t sent, left;
ssize_t retsiz;
uint32 retry_cnt;
retry_cnt = 1000;
sent = 0;
left = cnt;
while (sent < cnt) {
retsiz = write(fd, buffer, left);
if (retsiz < 0) {
switch (errno) {
case EAGAIN:
case EBUSY:
if (--retry_cnt) {
break;
} /* else fall through */
default:
return errno_to_status();
}
} else {
sent += (size_t)retsiz;
buffer += retsiz;
left -= (size_t)retsiz;
}
}
return NO_ERR;
} /* send_buff */
/********************************************************************
* FUNCTION write_txid_file
*
* Write the transaction ID file with the supplied value
*
* INPUTS:
* txidfile == full filespec of the transaction ID file
* curid == pointer to new txid to write
*
* RETURNS:
* status
*********************************************************************/
static status_t
write_txid_file (const xmlChar *txidfile,
cfg_transaction_id_t *curid)
{
assert( txidfile && "txidfile is NULL" );
assert( curid && "curid is NULL" );
status_t res = NO_ERR;
FILE *fil = fopen((const char *)txidfile, "w");
if (!fil) {
res = errno_to_status();
log_error("\nError: Opening txid file (%s) for write failed (%s)",
(const char *)txidfile, get_error_string(res));
return res;
}
uint32 len = 0;
char buffer [128];
ncx_num_t num;
ncx_init_num(&num);
num.ul = *curid;
res = ncx_sprintf_num((xmlChar *)buffer, &num, NCX_BT_UINT64, &len);
if (res == NO_ERR) {
buffer[len] = '\n';
buffer[len+1] = 0;
int ret = fputs(buffer, fil);
if (ret <= 0) {
res = errno_to_status();
log_error("\nError: write txid ID file failed (%s)",
get_error_string(res));
}
} else {
log_error("\nError: sprintf txid ID failed (%s)",
get_error_string(res));
}
ncx_clean_num(NCX_BT_UINT64, &num);
fclose(fil);
return res;
} /* write_txid_file */
/********************************************************************
* FUNCTION save_aliases
*
* Save the aliases to the specified filespec
*
* INPUT:
* fspec == output filespec to use (NULL == default)
*
* RETURNS:
* status
*********************************************************************/
status_t
save_aliases (const xmlChar *fspec)
{
if (fspec == NULL) {
fspec = get_aliases_file();
}
status_t res = NO_ERR;
xmlChar *fullspec = ncx_get_source(fspec, &res);
if (res != NO_ERR) {
log_error("\nError: Expand source '%s' failed (%s)\n",
fspec, get_error_string(res));
return res;
}
res = check_for_saving_def_yangcli_file (ALIASES_FILE, fullspec);
if (res != NO_ERR) {
m__free(fullspec);
return res;
}
FILE *fp = fopen((const char *)fullspec, "w");
if (fp) {
/* this will truncate the file if there are no aliases */
alias_cb_t *alias;
for (alias = get_first_alias();
alias != NULL;
alias = get_next_alias(alias)) {
write_alias(fp, alias);
}
/* Save mtime of this aliases file */
res = update_def_yangcli_file_mtime (ALIASES_FILE, fullspec);
fclose(fp);
} else {
res = errno_to_status();
log_error("\nError: Open aliases file '%s' failed (%s)\n",
fullspec, get_error_string(res));
}
m__free(fullspec);
return res;
} /* save_aliases */
