int lcc_flush (lcc_connection_t *c, const char *plugin, /* {{{ */
lcc_identifier_t *ident, int timeout)
{
char command[1024] = "";
lcc_response_t res;
int status;
if (c == NULL)
{
lcc_set_errno (c, EINVAL);
return (-1);
}
SSTRCPY (command, "FLUSH");
if (timeout > 0)
SSTRCATF (command, " timeout=%i", timeout);
if (plugin != NULL)
{
char buffer[2 * LCC_NAME_LEN];
SSTRCATF (command, " plugin=%s",
lcc_strescape (buffer, plugin, sizeof (buffer)));
}
if (ident != NULL)
{
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str), ident);
if (status != 0)
return (status);
SSTRCATF (command, " identifier=%s",
lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
}
status = lcc_sendreceive (c, command, &res);
if (status != 0)
return (status);
if (res.status != 0)
{
LCC_SET_ERRSTR (c, "Server error: %s", res.message);
lcc_response_free (&res);
return (-1);
}
lcc_response_free (&res);
return (0);
} /* }}} int lcc_flush */
int lcc_putval (lcc_connection_t *c, const lcc_value_list_t *vl) /* {{{ */
{
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
char command[1024] = "";
lcc_response_t res;
int status;
size_t i;
if ((c == NULL) || (vl == NULL) || (vl->values_len < 1)
|| (vl->values == NULL) || (vl->values_types == NULL))
{
lcc_set_errno (c, EINVAL);
return (-1);
}
status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str),
&vl->identifier);
if (status != 0)
return (status);
SSTRCATF (command, "PUTVAL %s",
lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
if (vl->interval > 0)
SSTRCATF (command, " interval=%i", vl->interval);
if (vl->time > 0)
SSTRCATF (command, "%u", (unsigned int) vl->time);
else
SSTRCAT (command, "N");
for (i = 0; i < vl->values_len; i++)
{
if (vl->values_types[i] == LCC_TYPE_COUNTER)
SSTRCATF (command, ":%"PRIu64, vl->values[i].counter);
else if (vl->values_types[i] == LCC_TYPE_GAUGE)
{
if (isnan (vl->values[i].gauge))
SSTRCPY (command, ":U");
else
SSTRCATF (command, ":%g", vl->values[i].gauge);
}
} /* for (i = 0; i < vl->values_len; i++) */
status = lcc_sendreceive (c, command, &res);
if (status != 0)
return (status);
if (res.status != 0)
{
LCC_SET_ERRSTR (c, "Server error: %s", res.message);
lcc_response_free (&res);
return (-1);
}
lcc_response_free (&res);
return (0);
} /* }}} int lcc_putval */
int lcc_getval (lcc_connection_t *c, lcc_identifier_t *ident, /* {{{ */
size_t *ret_values_num, gauge_t **ret_values, char ***ret_values_names)
{
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
char command[14 * LCC_NAME_LEN];
lcc_response_t res;
size_t values_num;
gauge_t *values = NULL;
char **values_names = NULL;
size_t i;
int status;
if (c == NULL)
return (-1);
if (ident == NULL)
{
lcc_set_errno (c, EINVAL);
return (-1);
}
/* Build a commend with an escaped version of the identifier string. */
status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str), ident);
if (status != 0)
return (status);
snprintf (command, sizeof (command), "GETVAL %s",
lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
command[sizeof (command) - 1] = 0;
/* Send talk to the daemon.. */
status = lcc_sendreceive (c, command, &res);
if (status != 0)
return (status);
if (res.status != 0)
{
LCC_SET_ERRSTR (c, "Server error: %s", res.message);
lcc_response_free (&res);
return (-1);
}
values_num = res.lines_num;
#define BAIL_OUT(e) do { \
lcc_set_errno (c, (e)); \
free (values); \
if (values_names != NULL) { \
for (i = 0; i < values_num; i++) { \
free (values_names[i]); \
} \
} \
free (values_names); \
lcc_response_free (&res); \
return (-1); \
} while (0)
/* If neither the values nor the names are requested, return here.. */
if ((ret_values == NULL) && (ret_values_names == NULL))
{
if (ret_values_num != NULL)
*ret_values_num = values_num;
lcc_response_free (&res);
return (0);
}
/* Allocate space for the values */
if (ret_values != NULL)
{
values = (gauge_t *) malloc (values_num * sizeof (*values));
if (values == NULL)
BAIL_OUT (ENOMEM);
}
if (ret_values_names != NULL)
{
values_names = (char **) calloc (values_num, sizeof (*values_names));
if (values_names == NULL)
BAIL_OUT (ENOMEM);
}
for (i = 0; i < res.lines_num; i++)
{
char *key;
char *value;
char *endptr;
key = res.lines[i];
value = strchr (key, '=');
if (value == NULL)
BAIL_OUT (EILSEQ);
*value = 0;
value++;
if (values != NULL)
{
endptr = NULL;
errno = 0;
values[i] = strtod (value, &endptr);
if ((endptr == value) || (errno != 0))
BAIL_OUT (errno);
}
if (values_names != NULL)
{
values_names[i] = strdup (key);
if (values_names[i] == NULL)
BAIL_OUT (ENOMEM);
}
} /* for (i = 0; i < res.lines_num; i++) */
if (ret_values_num != NULL)
*ret_values_num = values_num;
if (ret_values != NULL)
*ret_values = values;
if (ret_values_names != NULL)
*ret_values_names = values_names;
lcc_response_free (&res);
return (0);
} /* }}} int lcc_getval */
