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-rw-r--r--backends/backends.h97
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diff --git a/backends/backends.h b/backends/backends.h
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+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_BACKENDS_H
+#define NETDATA_BACKENDS_H 1
+
+#include "daemon/common.h"
+
+typedef enum backend_options {
+ BACKEND_OPTION_NONE = 0,
+
+ BACKEND_SOURCE_DATA_AS_COLLECTED = (1 << 0),
+ BACKEND_SOURCE_DATA_AVERAGE = (1 << 1),
+ BACKEND_SOURCE_DATA_SUM = (1 << 2),
+
+ BACKEND_OPTION_SEND_NAMES = (1 << 16)
+} BACKEND_OPTIONS;
+
+typedef enum backend_types {
+ BACKEND_TYPE_UNKNOWN, // Invalid type
+ BACKEND_TYPE_GRAPHITE, // Send plain text to Graphite
+ BACKEND_TYPE_OPENTSDB_USING_TELNET, // Send data to OpenTSDB using telnet API
+ BACKEND_TYPE_OPENTSDB_USING_HTTP, // Send data to OpenTSDB using HTTP API
+ BACKEND_TYPE_JSON, // Stores the data using JSON.
+ BACKEND_TYPE_PROMETHEUS_REMOTE_WRITE, // The user selected to use Prometheus backend
+ BACKEND_TYPE_KINESIS, // Send message to AWS Kinesis
+ BACKEND_TYPE_MONGODB, // Send data to MongoDB collection
+ BACKEND_TYPE_NUM // Number of backend types
+} BACKEND_TYPE;
+
+typedef int (**backend_response_checker_t)(BUFFER *);
+typedef int (**backend_request_formatter_t)(BUFFER *, const char *, RRDHOST *, const char *, RRDSET *, RRDDIM *, time_t, time_t, BACKEND_OPTIONS);
+
+#define BACKEND_OPTIONS_SOURCE_BITS (BACKEND_SOURCE_DATA_AS_COLLECTED|BACKEND_SOURCE_DATA_AVERAGE|BACKEND_SOURCE_DATA_SUM)
+#define BACKEND_OPTIONS_DATA_SOURCE(backend_options) (backend_options & BACKEND_OPTIONS_SOURCE_BITS)
+
+extern int global_backend_update_every;
+extern BACKEND_OPTIONS global_backend_options;
+extern const char *global_backend_source;
+extern const char *global_backend_prefix;
+
+extern void *backends_main(void *ptr);
+BACKEND_TYPE backend_select_type(const char *type);
+
+extern BACKEND_OPTIONS backend_parse_data_source(const char *source, BACKEND_OPTIONS backend_options);
+
+#ifdef BACKENDS_INTERNALS
+
+extern int backends_can_send_rrdset(BACKEND_OPTIONS backend_options, RRDSET *st);
+extern calculated_number backend_calculate_value_from_stored_data(
+ RRDSET *st // the chart
+ , RRDDIM *rd // the dimension
+ , time_t after // the start timestamp
+ , time_t before // the end timestamp
+ , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap
+ , time_t *first_timestamp // the timestamp of the first point used in this response
+ , time_t *last_timestamp // the timestamp that should be reported to backend
+);
+
+extern size_t backend_name_copy(char *d, const char *s, size_t usable);
+extern int discard_response(BUFFER *b, const char *backend);
+
+static inline char *strip_quotes(char *str) {
+ if(*str == '"' || *str == '\'') {
+ char *s;
+
+ str++;
+
+ s = str;
+ while(*s) s++;
+ if(s != str) s--;
+
+ if(*s == '"' || *s == '\'') *s = '\0';
+ }
+
+ return str;
+}
+
+#endif // BACKENDS_INTERNALS
+
+#include "backends/prometheus/backend_prometheus.h"
+#include "backends/graphite/graphite.h"
+#include "backends/json/json.h"
+#include "backends/opentsdb/opentsdb.h"
+
+#if HAVE_KINESIS
+#include "backends/aws_kinesis/aws_kinesis.h"
+#endif
+
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+#include "backends/prometheus/remote_write/remote_write.h"
+#endif
+
+#if HAVE_MONGOC
+#include "backends/mongodb/mongodb.h"
+#endif
+
+#endif /* NETDATA_BACKENDS_H */