X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_log.c;h=52ad61044e5c206d86125f1bde0a10f02de9359d;hb=b9b5e5d573d0011c4f3276e9b84b73ba4dd2e870;hp=35c9118e8e558b328a82a50968e5ccbcf43c8c4a;hpb=2079ee1517e34de372f58e7e2267ad5c71a8a41f;p=collectd.git

diff --git a/src/write_log.c b/src/write_log.c
index 35c9118e..52ad6104 100644
--- a/src/write_log.c
+++ b/src/write_log.c
@@ -31,41 +31,108 @@
 #include "plugin.h"
 
 #include "utils_format_graphite.h"
+#include "utils_format_json.h"
 
 #include <netdb.h>
 
-#define WL_BUF_SIZE 8192
+#define WL_BUF_SIZE 16384
 
-static int wl_write_messages(const data_set_t *ds, const value_list_t *vl) {
+#define WL_FORMAT_GRAPHITE 1
+#define WL_FORMAT_JSON 2
+
+/* Plugin:WriteLog has to also operate without a config, so use a global. */
+int wl_format = WL_FORMAT_GRAPHITE;
+
+static int wl_write_graphite(const data_set_t *ds, const value_list_t *vl) {
   char buffer[WL_BUF_SIZE] = {0};
   int status;
 
   if (0 != strcmp(ds->type, vl->type)) {
-    ERROR("write_log plugin: DS type does not match "
-          "value list type");
+    ERROR("write_log plugin: DS type does not match value list type");
     return -1;
   }
 
   status = format_graphite(buffer, sizeof(buffer), ds, vl, NULL, NULL, '_', 0);
   if (status != 0) /* error message has been printed already. */
-    return (status);
+    return status;
+
+  INFO("write_log values:\n%s", buffer);
+
+  return 0;
+} /* int wl_write_graphite */
+
+static int wl_write_json(const data_set_t *ds, const value_list_t *vl) {
+  char buffer[WL_BUF_SIZE] = {0};
+  size_t bfree = sizeof(buffer);
+  size_t bfill = 0;
+
+  if (0 != strcmp(ds->type, vl->type)) {
+    ERROR("write_log plugin: DS type does not match value list type");
+    return -1;
+  }
+
+  format_json_initialize(buffer, &bfill, &bfree);
+  format_json_value_list(buffer, &bfill, &bfree, ds, vl,
+                         /* store rates = */ 0);
+  format_json_finalize(buffer, &bfill, &bfree);
 
   INFO("write_log values:\n%s", buffer);
 
-  return (0);
-} /* int wl_write_messages */
+  return 0;
+} /* int wl_write_json */
 
 static int wl_write(const data_set_t *ds, const value_list_t *vl,
                     __attribute__((unused)) user_data_t *user_data) {
-  int status;
+  int status = 0;
 
-  status = wl_write_messages(ds, vl);
+  if (wl_format == WL_FORMAT_GRAPHITE) {
+    status = wl_write_graphite(ds, vl);
+  } else if (wl_format == WL_FORMAT_JSON) {
+    status = wl_write_json(ds, vl);
+  }
 
-  return (status);
+  return status;
 }
 
+static int wl_config(oconfig_item_t *ci) /* {{{ */
+{
+  bool format_seen = false;
+
+  for (int i = 0; i < ci->children_num; i++) {
+    oconfig_item_t *child = ci->children + i;
+
+    if (strcasecmp("Format", child->key) == 0) {
+      char str[16];
+
+      if (cf_util_get_string_buffer(child, str, sizeof(str)) != 0)
+        continue;
+
+      if (format_seen) {
+        WARNING("write_log plugin: Redefining option `%s'.", child->key);
+      }
+      format_seen = true;
+
+      if (strcasecmp("Graphite", str) == 0)
+        wl_format = WL_FORMAT_GRAPHITE;
+      else if (strcasecmp("JSON", str) == 0)
+        wl_format = WL_FORMAT_JSON;
+      else {
+        ERROR("write_log plugin: Unknown format `%s' for option `%s'.", str,
+              child->key);
+        return -EINVAL;
+      }
+    } else {
+      ERROR("write_log plugin: Invalid configuration option: `%s'.",
+            child->key);
+      return -EINVAL;
+    }
+  }
+
+  return 0;
+} /* }}} int wl_config */
+
 void module_register(void) {
+  plugin_register_complex_config("write_log", wl_config);
+  /* If config is supplied, the global wl_format will be set. */
   plugin_register_write("write_log", wl_write, NULL);
 }
-
-/* vim: set sw=4 ts=4 sts=4 tw=78 et : */