Add a write_log output plugin which logs values.

[collectd.git] / src / write_log.c

diff --git a/src/write_log.c b/src/write_log.c
new file mode 100644 (file)
index 0000000..eba9105
--- /dev/null
+++ b/src/write_log.c
@@ -0,0 +1,76 @@
+/**
+ * collectd - src/write_log.c
+ * Copyright (C) 2015       Pierre-Yves Ritschard
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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
+ *
+ * Authors:
+ *   Pierre-Yves Ritschard <pyr at spootnik.org>
+ *
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+#include "configfile.h"
+
+#include "utils_format_graphite.h"
+
+/* Folks without pthread will need to disable this plugin. */
+#include <pthread.h>
+
+#include <sys/socket.h>
+#include <netdb.h>
+
+#define WL_BUF_SIZE 8192
+
+static int wl_write_messages (const data_set_t *ds, const value_list_t *vl)
+{
+    char buffer[WL_BUF_SIZE];
+    int status;
+
+    if (0 != strcmp (ds->type, vl->type))
+    {
+        ERROR ("write_log plugin: DS type does not match "
+                "value list type");
+        return -1;
+    }
+
+    memset (buffer, 0, sizeof (buffer));
+    status = format_graphite (buffer, sizeof (buffer), ds, vl,
+                              NULL, NULL, '_', 0);
+    if (status != 0) /* error message has been printed already. */
+        return (status);
+
+    INFO ("write_log values:\n%s", buffer);
+
+    return (0);
+} /* int wl_write_messages */
+
+static int wl_write (const data_set_t *ds, const value_list_t *vl,
+        user_data_t *user_data)
+{
+    int status;
+
+    status = wl_write_messages (ds, vl);
+
+    return (status);
+}
+
+void module_register (void)
+{
+    plugin_register_write ("write_log", wl_write, NULL);
+}
+
+/* vim: set sw=4 ts=4 sts=4 tw=78 et : */