summaryrefslogtreecommitdiffstats
path: root/database/rrdvar.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:19:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:20:17 +0000
commita64a253794ac64cb40befee54db53bde17dd0d49 (patch)
treec1024acc5f6e508814b944d99f112259bb28b1be /database/rrdvar.h
parentNew upstream version 1.10.0+dfsg (diff)
downloadnetdata-a64a253794ac64cb40befee54db53bde17dd0d49.tar.xz
netdata-a64a253794ac64cb40befee54db53bde17dd0d49.zip
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--database/rrdvar.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/database/rrdvar.h b/database/rrdvar.h
new file mode 100644
index 000000000..6d1461b2a
--- /dev/null
+++ b/database/rrdvar.h
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDVAR_H
+#define NETDATA_RRDVAR_H 1
+
+#include "libnetdata/libnetdata.h"
+
+extern int rrdvar_compare(void *a, void *b);
+
+typedef enum rrdvar_type {
+ RRDVAR_TYPE_CALCULATED = 1,
+ RRDVAR_TYPE_TIME_T = 2,
+ RRDVAR_TYPE_COLLECTED = 3,
+ RRDVAR_TYPE_TOTAL = 4,
+ RRDVAR_TYPE_INT = 5
+} RRDVAR_TYPE;
+
+typedef enum rrdvar_options {
+ RRDVAR_OPTION_DEFAULT = 0,
+ RRDVAR_OPTION_ALLOCATED = (1 << 0), // the value ptr is allocated (not a reference)
+ RRDVAR_OPTION_CUSTOM_HOST_VAR = (1 << 1), // this is a custom host variable, not associated with a dimension
+ RRDVAR_OPTION_CUSTOM_CHART_VAR = (1 << 2), // this is a custom chart variable, not associated with a dimension
+ RRDVAR_OPTION_RRDCALC_LOCAL_VAR = (1 << 3), // this is a an alarm variable, attached to a chart
+ RRDVAR_OPTION_RRDCALC_FAMILY_VAR = (1 << 4), // this is a an alarm variable, attached to a family
+ RRDVAR_OPTION_RRDCALC_HOST_CHARTID_VAR = (1 << 5), // this is a an alarm variable, attached to the host, using the chart id
+ RRDVAR_OPTION_RRDCALC_HOST_CHARTNAME_VAR = (1 << 6), // this is a an alarm variable, attached to the host, using the chart name
+} RRDVAR_OPTIONS;
+
+// the variables as stored in the variables indexes
+// there are 3 indexes:
+// 1. at each chart (RRDSET.rrdvar_root_index)
+// 2. at each context (RRDFAMILY.rrdvar_root_index)
+// 3. at each host (RRDHOST.rrdvar_root_index)
+struct rrdvar {
+ avl avl;
+
+ char *name;
+ uint32_t hash;
+
+ RRDVAR_TYPE type;
+ RRDVAR_OPTIONS options;
+
+ void *value;
+
+ time_t last_updated;
+};
+
+#define RRDVAR_MAX_LENGTH 1024
+
+extern int rrdvar_fix_name(char *variable);
+
+#include "rrd.h"
+
+extern RRDVAR *rrdvar_custom_host_variable_create(RRDHOST *host, const char *name);
+extern void rrdvar_custom_host_variable_set(RRDHOST *host, RRDVAR *rv, calculated_number value);
+extern int foreach_host_variable_callback(RRDHOST *host, int (*callback)(RRDVAR *rv, void *data), void *data);
+extern void rrdvar_free_remaining_variables(RRDHOST *host, avl_tree_lock *tree_lock);
+
+extern int rrdvar_callback_for_all_host_variables(RRDHOST *host, int (*callback)(void *rrdvar, void *data), void *data);
+
+extern calculated_number rrdvar2number(RRDVAR *rv);
+
+extern RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, RRDVAR_TYPE type, RRDVAR_OPTIONS options, void *value);
+extern void rrdvar_free(RRDHOST *host, avl_tree_lock *tree, RRDVAR *rv);
+
+#endif //NETDATA_RRDVAR_H