/*
* Parse the user's string argument that represents the list of key
* fields or the counter fields to use in the AggBag. Parse the
* string against the specified string map. The final parameter is
* the argument type. On success, set the keys or counters on the
* AggBag and return 0. Return non-zero on error.
*/
static int
parseFields(
const sk_stringmap_t *string_map,
const char *name_list_arg,
appOptionsEnum key_or_counter)
{
sk_stringmap_iter_t *sm_iter = NULL;
sk_stringmap_entry_t *sm_entry = NULL;
sk_aggbag_type_t *fields = NULL;
unsigned int i;
/* error message generated when parsing fields */
char *errmsg;
ssize_t err;
/* return value; assume failure */
int rv = -1;
assert(string_map);
assert(name_list_arg);
assert(OPT_KEYS == key_or_counter
|| OPT_COUNTERS == key_or_counter);
/* parse the argument */
if (skStringMapParse(string_map, name_list_arg, SKSTRINGMAP_DUPES_ERROR,
&sm_iter, &errmsg))
{
skAppPrintErr("Invalid %s: %s",
appOptions[key_or_counter].name, errmsg);
goto END;
}
/* create array to hold field IDs */
fields = (sk_aggbag_type_t *)calloc(skStringMapIterCountMatches(sm_iter),
sizeof(sk_aggbag_type_t));
if (NULL == fields) {
goto END;
}
/* add the field IDs to the array */
i = 0;
while (skStringMapIterNext(sm_iter, &sm_entry, NULL) == SK_ITERATOR_OK) {
assert(i < skStringMapIterCountMatches(sm_iter));
fields[i] = (sk_aggbag_type_t)sm_entry->id;
++i;
}
assert(skStringMapIterCountMatches(sm_iter) == i);
if (OPT_KEYS == key_or_counter) {
err = skAggBagSetKeyFields(ab, i, fields);
} else {
err = skAggBagSetCounterFields(ab, i, fields);
}
if (err) {
skAppPrintErr("Unable to set %s %" SK_PRIdZ,
appOptions[key_or_counter].name, err);
goto END;
}
/* successful */
rv = 0;
END:
skStringMapIterDestroy(sm_iter);
free(fields);
return rv;
}
/*
* status = timestampFormatParse(format_string, out_flags);
*
* Parse the comma-separated list of timestamp format strings
* contained in 'format_string' and set 'out_flags' to the result
* of parsing the string. Return 0 on success, or -1 if parsing of
* the values fails or conflicting values are given.
*/
static int
timestampFormatParse(
const char *format,
uint32_t *out_flags)
{
char buf[256];
char *errmsg;
sk_stringmap_t *str_map = NULL;
sk_stringmap_iter_t *iter = NULL;
sk_stringmap_entry_t *found_entry;
const sk_stringmap_entry_t *entry;
int name_seen = 0;
int zone_seen = 0;
int rv = -1;
/* create a stringmap of the available timestamp formats */
if (SKSTRINGMAP_OK != skStringMapCreate(&str_map)) {
skAppPrintOutOfMemory(NULL);
goto END;
}
if (skStringMapAddEntries(str_map, -1, timestamp_names) != SKSTRINGMAP_OK){
skAppPrintOutOfMemory(NULL);
goto END;
}
if (skStringMapAddEntries(str_map, -1, timestamp_zones) != SKSTRINGMAP_OK){
skAppPrintOutOfMemory(NULL);
goto END;
}
/* attempt to match */
if (skStringMapParse(str_map, format, SKSTRINGMAP_DUPES_ERROR,
&iter, &errmsg))
{
skAppPrintErr("Invalid %s: %s",
appOptions[OPT_TIMESTAMP_FORMAT].name, errmsg);
goto END;
}
*out_flags = 0;
while (skStringMapIterNext(iter, &found_entry, NULL) == SK_ITERATOR_OK) {
*out_flags |= found_entry->id;
switch (found_entry->id) {
#if 0
case SKTIMESTAMP_NOMSEC:
break;
#endif
case 0:
case SKTIMESTAMP_EPOCH:
case SKTIMESTAMP_ISO:
case SKTIMESTAMP_MMDDYYYY:
if (name_seen) {
entry = timestamp_names;
strncpy(buf, entry->name, sizeof(buf));
for (++entry; entry->name; ++entry) {
strncat(buf, ",", sizeof(buf)-strlen(buf)-1);
strncat(buf, entry->name, sizeof(buf)-strlen(buf)-1);
}
skAppPrintErr("Invalid %s: May only specify one of %s",
appOptions[OPT_TIMESTAMP_FORMAT].name, buf);
goto END;
}
name_seen = 1;
break;
case SKTIMESTAMP_UTC:
case SKTIMESTAMP_LOCAL:
if (zone_seen) {
entry = timestamp_zones;
strncpy(buf, entry->name, sizeof(buf));
for (++entry; entry->name; ++entry) {
strncat(buf, ",", sizeof(buf)-strlen(buf)-1);
strncat(buf, entry->name, sizeof(buf)-strlen(buf)-1);
}
skAppPrintErr("Invalid %s: May only specify one of %s",
appOptions[OPT_TIMESTAMP_FORMAT].name, buf);
goto END;
}
zone_seen = 1;
break;
default:
skAbortBadCase(found_entry->id);
}
}
rv = 0;
END:
if (str_map) {
skStringMapDestroy(str_map);
}
if (iter) {
skStringMapIterDestroy(iter);
}
return rv;
}
