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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rrdpush.h"
static STREAM_CAPABILITIES globally_disabled_capabilities = STREAM_CAP_NONE;
static struct {
STREAM_CAPABILITIES cap;
const char *str;
} capability_names[] = {
{STREAM_CAP_V1, "V1" },
{STREAM_CAP_V2, "V2" },
{STREAM_CAP_VN, "VN" },
{STREAM_CAP_VCAPS, "VCAPS" },
{STREAM_CAP_HLABELS, "HLABELS" },
{STREAM_CAP_CLAIM, "CLAIM" },
{STREAM_CAP_CLABELS, "CLABELS" },
{STREAM_CAP_LZ4, "LZ4" },
{STREAM_CAP_FUNCTIONS, "FUNCTIONS" },
{STREAM_CAP_REPLICATION, "REPLICATION" },
{STREAM_CAP_BINARY, "BINARY" },
{STREAM_CAP_INTERPOLATED, "INTERPOLATED" },
{STREAM_CAP_IEEE754, "IEEE754" },
{STREAM_CAP_DATA_WITH_ML, "ML" },
{STREAM_CAP_DYNCFG, "DYNCFG" },
{STREAM_CAP_SLOTS, "SLOTS" },
{STREAM_CAP_ZSTD, "ZSTD" },
{STREAM_CAP_GZIP, "GZIP" },
{STREAM_CAP_BROTLI, "BROTLI" },
{STREAM_CAP_PROGRESS, "PROGRESS" },
{STREAM_CAP_NODE_ID, "NODEID" },
{STREAM_CAP_PATHS, "PATHS" },
{0 , NULL },
};
STREAM_CAPABILITIES stream_capabilities_parse_one(const char *str) {
if (!str || !*str)
return STREAM_CAP_NONE;
for (size_t i = 0; capability_names[i].str; i++) {
if (strcmp(capability_names[i].str, str) == 0)
return capability_names[i].cap;
}
return STREAM_CAP_NONE;
}
void stream_capabilities_to_string(BUFFER *wb, STREAM_CAPABILITIES caps) {
for(size_t i = 0; capability_names[i].str ; i++) {
if(caps & capability_names[i].cap) {
buffer_strcat(wb, capability_names[i].str);
buffer_strcat(wb, " ");
}
}
}
void stream_capabilities_to_json_array(BUFFER *wb, STREAM_CAPABILITIES caps, const char *key) {
if(key)
buffer_json_member_add_array(wb, key);
else
buffer_json_add_array_item_array(wb);
for(size_t i = 0; capability_names[i].str ; i++) {
if(caps & capability_names[i].cap)
buffer_json_add_array_item_string(wb, capability_names[i].str);
}
buffer_json_array_close(wb);
}
void log_receiver_capabilities(struct receiver_state *rpt) {
BUFFER *wb = buffer_create(100, NULL);
stream_capabilities_to_string(wb, rpt->capabilities);
nd_log_daemon(NDLP_INFO, "STREAM %s [receive from [%s]:%s]: established link with negotiated capabilities: %s",
rrdhost_hostname(rpt->host), rpt->client_ip, rpt->client_port, buffer_tostring(wb));
buffer_free(wb);
}
void log_sender_capabilities(struct sender_state *s) {
BUFFER *wb = buffer_create(100, NULL);
stream_capabilities_to_string(wb, s->capabilities);
nd_log_daemon(NDLP_INFO, "STREAM %s [send to %s]: established link with negotiated capabilities: %s",
rrdhost_hostname(s->host), s->connected_to, buffer_tostring(wb));
buffer_free(wb);
}
STREAM_CAPABILITIES stream_our_capabilities(RRDHOST *host, bool sender) {
STREAM_CAPABILITIES disabled_capabilities = globally_disabled_capabilities;
if(host && sender) {
// we have DATA_WITH_ML capability
// we should remove the DATA_WITH_ML capability if our database does not have anomaly info
// this can happen under these conditions: 1. we don't run ML, and 2. we don't receive ML
spinlock_lock(&host->receiver_lock);
if(!ml_host_running(host) && !stream_has_capability(host->receiver, STREAM_CAP_DATA_WITH_ML))
disabled_capabilities |= STREAM_CAP_DATA_WITH_ML;
spinlock_unlock(&host->receiver_lock);
if(host->sender)
disabled_capabilities |= host->sender->disabled_capabilities;
}
return (STREAM_CAP_V1 |
STREAM_CAP_V2 |
STREAM_CAP_VN |
STREAM_CAP_VCAPS |
STREAM_CAP_HLABELS |
STREAM_CAP_CLAIM |
STREAM_CAP_CLABELS |
STREAM_CAP_FUNCTIONS |
STREAM_CAP_REPLICATION |
STREAM_CAP_BINARY |
STREAM_CAP_INTERPOLATED |
STREAM_CAP_SLOTS |
STREAM_CAP_PROGRESS |
STREAM_CAP_COMPRESSIONS_AVAILABLE |
STREAM_CAP_DYNCFG |
STREAM_CAP_NODE_ID |
STREAM_CAP_PATHS |
STREAM_CAP_IEEE754 |
STREAM_CAP_DATA_WITH_ML |
0) & ~disabled_capabilities;
}
STREAM_CAPABILITIES convert_stream_version_to_capabilities(int32_t version, RRDHOST *host, bool sender) {
STREAM_CAPABILITIES caps = 0;
if(version <= 1) caps = STREAM_CAP_V1;
else if(version < STREAM_OLD_VERSION_CLAIM) caps = STREAM_CAP_V2 | STREAM_CAP_HLABELS;
else if(version <= STREAM_OLD_VERSION_CLAIM) caps = STREAM_CAP_VN | STREAM_CAP_HLABELS | STREAM_CAP_CLAIM;
else if(version <= STREAM_OLD_VERSION_CLABELS) caps = STREAM_CAP_VN | STREAM_CAP_HLABELS | STREAM_CAP_CLAIM | STREAM_CAP_CLABELS;
else if(version <= STREAM_OLD_VERSION_LZ4) caps = STREAM_CAP_VN | STREAM_CAP_HLABELS | STREAM_CAP_CLAIM | STREAM_CAP_CLABELS | STREAM_CAP_LZ4_AVAILABLE;
else caps = version;
if(caps & STREAM_CAP_VCAPS)
caps &= ~(STREAM_CAP_V1|STREAM_CAP_V2|STREAM_CAP_VN);
if(caps & STREAM_CAP_VN)
caps &= ~(STREAM_CAP_V1|STREAM_CAP_V2);
if(caps & STREAM_CAP_V2)
caps &= ~(STREAM_CAP_V1);
STREAM_CAPABILITIES common_caps = caps & stream_our_capabilities(host, sender);
if(!(common_caps & STREAM_CAP_INTERPOLATED))
// DATA WITH ML requires INTERPOLATED
common_caps &= ~STREAM_CAP_DATA_WITH_ML;
return common_caps;
}
int32_t stream_capabilities_to_vn(uint32_t caps) {
if(caps & STREAM_CAP_LZ4) return STREAM_OLD_VERSION_LZ4;
if(caps & STREAM_CAP_CLABELS) return STREAM_OLD_VERSION_CLABELS;
return STREAM_OLD_VERSION_CLAIM; // if(caps & STREAM_CAP_CLAIM)
}
void check_local_streaming_capabilities(void) {
ieee754_doubles = is_system_ieee754_double();
if(!ieee754_doubles)
globally_disabled_capabilities |= STREAM_CAP_IEEE754;
}
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