/**
* collectd - src/utils_format_json.c
- * Copyright (C) 2009 Florian octo Forster
+ * Copyright (C) 2009 Florian octo Forster
*
- * 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; only version 2 of the License is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * 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.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "plugin.h"
#include "common.h"
#include "utils_cache.h"
#include "utils_format_json.h"
-static int escape_string (char *buffer, size_t buffer_size, /* {{{ */
+static int json_escape_string (char *buffer, size_t buffer_size, /* {{{ */
const char *string)
{
- size_t src_pos;
size_t dst_pos;
if ((buffer == NULL) || (string == NULL))
/* Escape special characters */
BUFFER_ADD ('"');
- for (src_pos = 0; string[src_pos] != 0; src_pos++)
+ for (size_t src_pos = 0; string[src_pos] != 0; src_pos++)
{
if ((string[src_pos] == '"')
|| (string[src_pos] == '\\'))
#undef BUFFER_ADD
return (0);
-} /* }}} int escape_string */
+} /* }}} int json_escape_string */
static int values_to_json (char *buffer, size_t buffer_size, /* {{{ */
const data_set_t *ds, const value_list_t *vl, int store_rates)
{
size_t offset = 0;
- int i;
gauge_t *rates = NULL;
memset (buffer, 0, buffer_size);
} while (0)
BUFFER_ADD ("[");
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
{
if (i > 0)
BUFFER_ADD (",");
const data_set_t *ds)
{
size_t offset = 0;
- int i;
memset (buffer, 0, buffer_size);
} while (0)
BUFFER_ADD ("[");
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
{
if (i > 0)
BUFFER_ADD (",");
const data_set_t *ds)
{
size_t offset = 0;
- int i;
memset (buffer, 0, buffer_size);
} while (0)
BUFFER_ADD ("[");
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
{
if (i > 0)
BUFFER_ADD (",");
{
size_t offset = 0;
int status;
- size_t i;
buffer[0] = 0;
offset += ((size_t) status); \
} while (0)
- for (i = 0; i < keys_num; ++i)
+ for (size_t i = 0; i < keys_num; ++i)
{
int type;
char *key = keys[i];
if (meta_data_get_string (meta, key, &value) == 0)
{
char temp[512] = "";
- escape_string (temp, sizeof (temp), value);
+
+ status = json_escape_string (temp, sizeof (temp), value);
sfree (value);
+ if (status != 0)
+ return status;
+
BUFFER_ADD (",\"%s\":%s", key, temp);
}
}
}
} /* for (keys) */
- if (offset <= 0)
+ if (offset == 0)
return (ENOENT);
buffer[0] = '{'; /* replace leading ',' */
char **keys = NULL;
size_t keys_num;
int status;
- size_t i;
if ((buffer == NULL) || (buffer_size == 0) || (meta == NULL))
return (EINVAL);
status = meta_data_keys_to_json (buffer, buffer_size, meta, keys, keys_num);
- for (i = 0; i < keys_num; ++i)
+ for (size_t i = 0; i < keys_num; ++i)
sfree (keys[i]);
sfree (keys);
BUFFER_ADD (",\"interval\":%.3f", CDTIME_T_TO_DOUBLE (vl->interval));
#define BUFFER_ADD_KEYVAL(key, value) do { \
- status = escape_string (temp, sizeof (temp), (value)); \
+ status = json_escape_string (temp, sizeof (temp), (value)); \
if (status != 0) \
return (status); \
BUFFER_ADD (",\"%s\":%s", (key), temp); \
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