From 5fc591558a63e7ff592f3e9871dad411284e0cfe Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@rambler-co.ru>
Date: Wed, 12 Dec 2012 19:33:39 +0400
Subject: Add skeleton for rrd files format and basic API for writing data to
 rrd files.

---
 src/rrd.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/rrd.c

(limited to 'src/rrd.c')

diff --git a/src/rrd.c b/src/rrd.c
new file mode 100644
index 000000000..b14369f9a
--- /dev/null
+++ b/src/rrd.c
@@ -0,0 +1,104 @@
+/* Copyright (c) 2010-2012, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "rrd.h"
+
+/**
+ * Open (and mmap) existing RRD file
+ * @param filename path
+ * @param err error pointer
+ * @return rrd file structure
+ */
+struct rspamd_rrd_file*
+rspamd_rrd_open (const gchar *filename, GError **err)
+{
+	return NULL;
+}
+
+/**
+ * Create basic header for rrd file
+ * @param filename file path
+ * @param ds_count number of data sources
+ * @param rra_count number of round robin archives
+ * @param pdp_step step of primary data points
+ * @param err error pointer
+ * @return TRUE if file has been created
+ */
+gboolean
+rspamd_rrd_create (const gchar *filename, gulong ds_count, gulong rra_count, gulong pdp_step, GError **err)
+{
+	return FALSE;
+}
+
+/**
+ * Add data sources to rrd file
+ * @param filename path to file
+ * @param ds array of struct rrd_ds_def
+ * @param err error pointer
+ * @return TRUE if data sources were added
+ */
+gboolean
+rspamd_rrd_add_ds (const gchar *filename, GArray *ds, GError **err)
+{
+	return FALSE;
+}
+
+/**
+ * Add round robin archives to rrd file
+ * @param filename path to file
+ * @param ds array of struct rrd_rra_def
+ * @param err error pointer
+ * @return TRUE if archives were added
+ */
+gboolean
+rspamd_rrd_add_rra (const gchar *filename, GArray *rra, GError **err)
+{
+	return FALSE;
+}
+
+/**
+ * Finalize rrd file header and initialize all RRA in the file
+ * @param filename file path
+ * @param err error pointer
+ * @return TRUE if rrd file is ready for use
+ */
+gboolean
+rspamd_rrd_finalize (const gchar *filename, GError **err)
+{
+	return FALSE;
+}
+
+/**
+ * Add record to rrd file
+ * @param file rrd file object
+ * @param rra_idx index of rra being added
+ * @param points points (must be row suitable for this RRA, depending on ds count)
+ * @param err error pointer
+ * @return TRUE if a row has been added
+ */
+gboolean
+rspamd_rrd_add_record (struct rspamd_rrd_file* file, guint rra_idx, GArray *points, GError **err)
+{
+	return FALSE;
+}
-- 
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