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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_STREAM_CAPABILITIES_H
#define NETDATA_STREAM_CAPABILITIES_H
#include "libnetdata/libnetdata.h"
// ----------------------------------------------------------------------------
// obsolete versions - do not use anymore
#define STREAM_OLD_VERSION_CLAIM 3
#define STREAM_OLD_VERSION_CLABELS 4
#define STREAM_OLD_VERSION_LZ4 5
// ----------------------------------------------------------------------------
// capabilities negotiation
typedef enum {
STREAM_CAP_NONE = 0,
// do not use the first 3 bits
// they used to be versions 1, 2 and 3
// before we introduce capabilities
STREAM_CAP_V1 = (1 << 3), // v1 = the oldest protocol
STREAM_CAP_V2 = (1 << 4), // v2 = the second version of the protocol (with host labels)
STREAM_CAP_VN = (1 << 5), // version negotiation supported (for versions 3, 4, 5 of the protocol)
// v3 = claiming supported
// v4 = chart labels supported
// v5 = lz4 compression supported
STREAM_CAP_VCAPS = (1 << 6), // capabilities negotiation supported
STREAM_CAP_HLABELS = (1 << 7), // host labels supported
STREAM_CAP_CLAIM = (1 << 8), // claiming supported
STREAM_CAP_CLABELS = (1 << 9), // chart labels supported
STREAM_CAP_LZ4 = (1 << 10), // lz4 compression supported
STREAM_CAP_FUNCTIONS = (1 << 11), // plugin functions supported
STREAM_CAP_REPLICATION = (1 << 12), // replication supported
STREAM_CAP_BINARY = (1 << 13), // streaming supports binary data
STREAM_CAP_INTERPOLATED = (1 << 14), // streaming supports interpolated streaming of values
STREAM_CAP_IEEE754 = (1 << 15), // streaming supports binary/hex transfer of double values
STREAM_CAP_DATA_WITH_ML = (1 << 16), // streaming supports transferring anomaly bit
// STREAM_CAP_DYNCFG = (1 << 17), // leave this unused for as long as possible
STREAM_CAP_SLOTS = (1 << 18), // the sender can appoint a unique slot for each chart
STREAM_CAP_ZSTD = (1 << 19), // ZSTD compression supported
STREAM_CAP_GZIP = (1 << 20), // GZIP compression supported
STREAM_CAP_BROTLI = (1 << 21), // BROTLI compression supported
STREAM_CAP_PROGRESS = (1 << 22), // Functions PROGRESS support
STREAM_CAP_DYNCFG = (1 << 23), // support for DYNCFG
STREAM_CAP_NODE_ID = (1 << 24), // support for sending NODE_ID back to the child
STREAM_CAP_PATHS = (1 << 25), // support for sending PATHS upstream and downstream
STREAM_CAP_INVALID = (1 << 30), // used as an invalid value for capabilities when this is set
// this must be signed int, so don't use the last bit
// needed for negotiating errors between parent and child
} STREAM_CAPABILITIES;
#ifdef ENABLE_LZ4
#define STREAM_CAP_LZ4_AVAILABLE STREAM_CAP_LZ4
#else
#define STREAM_CAP_LZ4_AVAILABLE 0
#endif // ENABLE_LZ4
#ifdef ENABLE_ZSTD
#define STREAM_CAP_ZSTD_AVAILABLE STREAM_CAP_ZSTD
#else
#define STREAM_CAP_ZSTD_AVAILABLE 0
#endif // ENABLE_ZSTD
#ifdef ENABLE_BROTLI
#define STREAM_CAP_BROTLI_AVAILABLE STREAM_CAP_BROTLI
#else
#define STREAM_CAP_BROTLI_AVAILABLE 0
#endif // ENABLE_BROTLI
#define STREAM_CAP_COMPRESSIONS_AVAILABLE (STREAM_CAP_LZ4_AVAILABLE|STREAM_CAP_ZSTD_AVAILABLE|STREAM_CAP_BROTLI_AVAILABLE|STREAM_CAP_GZIP)
#define stream_has_capability(rpt, capability) ((rpt) && ((rpt)->capabilities & (capability)) == (capability))
static inline bool stream_has_more_than_one_capability_of(STREAM_CAPABILITIES caps, STREAM_CAPABILITIES mask) {
STREAM_CAPABILITIES common = (STREAM_CAPABILITIES)(caps & mask);
return (common & (common - 1)) != 0 && common != 0;
}
struct sender_state;
struct receiver_state;
struct rrdhost;
STREAM_CAPABILITIES stream_capabilities_parse_one(const char *str);
void stream_capabilities_to_string(BUFFER *wb, STREAM_CAPABILITIES caps);
void stream_capabilities_to_json_array(BUFFER *wb, STREAM_CAPABILITIES caps, const char *key);
void log_receiver_capabilities(struct receiver_state *rpt);
void log_sender_capabilities(struct sender_state *s);
STREAM_CAPABILITIES convert_stream_version_to_capabilities(int32_t version, struct rrdhost *host, bool sender);
int32_t stream_capabilities_to_vn(uint32_t caps);
STREAM_CAPABILITIES stream_our_capabilities(struct rrdhost *host, bool sender);
void check_local_streaming_capabilities(void);
#endif //NETDATA_STREAM_CAPABILITIES_H
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