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// SPDX-License-Identifier: GPL-3.0-or-later
#include "sqlite_functions.h"
#include "sqlite_aclk_chart.h"
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
#include "../../aclk/aclk_charts_api.h"
#include "../../aclk/aclk.h"
#endif
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
static inline int sql_queue_chart_payload(struct aclk_database_worker_config *wc,
void *data, enum aclk_database_opcode opcode)
{
if (unlikely(!wc))
return 1;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = opcode;
cmd.data = data;
aclk_database_enq_cmd(wc, &cmd);
return 0;
}
static int payload_sent(char *uuid_str, uuid_t *uuid, void *payload, size_t payload_size)
{
static __thread sqlite3_stmt *res = NULL;
int rc;
int send_status = 0;
if (unlikely(!res)) {
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql,"SELECT 1 FROM aclk_chart_latest_%s acl, aclk_chart_payload_%s acp "
"WHERE acl.unique_id = acp.unique_id AND acl.uuid = @uuid AND acp.payload = @payload;",
uuid_str, uuid_str);
rc = prepare_statement(db_meta, (char *) buffer_tostring(sql), &res);
buffer_free(sql);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to check payload data");
return 0;
}
}
rc = sqlite3_bind_blob(res, 1, uuid , sizeof(*uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res, 2, payload , payload_size, SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
while (sqlite3_step(res) == SQLITE_ROW) {
send_status = sqlite3_column_int(res, 0);
}
bind_fail:
if (unlikely(sqlite3_reset(res) != SQLITE_OK))
error_report("Failed to reset statement in check payload, rc = %d", rc);
return send_status;
}
static int aclk_add_chart_payload(char *uuid_str, uuid_t *uuid, char *claim_id, ACLK_PAYLOAD_TYPE payload_type,
void *payload, size_t payload_size)
{
static __thread sqlite3_stmt *res_chart = NULL;
int rc;
rc = payload_sent(uuid_str, uuid, payload, payload_size);
if (rc == 1)
return 0;
if (unlikely(!res_chart)) {
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql,"INSERT INTO aclk_chart_payload_%s (unique_id, uuid, claim_id, date_created, type, payload) " \
"VALUES (@unique_id, @uuid, @claim_id, strftime('%%s','now'), @type, @payload);", uuid_str);
rc = prepare_statement(db_meta, (char *) buffer_tostring(sql), &res_chart);
buffer_free(sql);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to store chart payload data");
return 1;
}
}
uuid_t unique_uuid;
uuid_generate(unique_uuid);
uuid_t claim_uuid;
if (uuid_parse(claim_id, claim_uuid))
return 1;
rc = sqlite3_bind_blob(res_chart, 1, &unique_uuid , sizeof(unique_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 2, uuid , sizeof(*uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 3, &claim_uuid , sizeof(claim_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_int(res_chart, 4, payload_type);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 5, payload, payload_size, SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = execute_insert(res_chart);
if (unlikely(rc != SQLITE_DONE))
error_report("Failed store chart payload event, rc = %d", rc);
bind_fail:
if (unlikely(sqlite3_reset(res_chart) != SQLITE_OK))
error_report("Failed to reset statement in store chart payload, rc = %d", rc);
return (rc != SQLITE_DONE);
}
#endif
int aclk_add_chart_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc = 0;
CHECK_SQLITE_CONNECTION(db_meta);
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
char *claim_id = is_agent_claimed();
RRDSET *st = cmd.data;
if (likely(claim_id)) {
struct chart_instance_updated chart_payload;
memset(&chart_payload, 0, sizeof(chart_payload));
chart_payload.config_hash = get_str_from_uuid(&st->state->hash_id);
chart_payload.update_every = st->update_every;
chart_payload.memory_mode = st->rrd_memory_mode;
chart_payload.name = (char *)st->name;
chart_payload.node_id = wc->node_id;
chart_payload.claim_id = claim_id;
chart_payload.id = strdupz(st->id);
struct label_index *labels = &st->state->labels;
netdata_rwlock_wrlock(&labels->labels_rwlock);
struct label *label_list = labels->head;
struct label *chart_label = NULL;
while (label_list) {
chart_label = add_label_to_list(chart_label, label_list->key, label_list->value, label_list->label_source);
label_list = label_list->next;
}
netdata_rwlock_unlock(&labels->labels_rwlock);
chart_payload.label_head = chart_label;
size_t size;
char *payload = generate_chart_instance_updated(&size, &chart_payload);
if (likely(payload))
rc = aclk_add_chart_payload(wc->uuid_str, st->chart_uuid, claim_id, ACLK_PAYLOAD_CHART, (void *) payload, size);
freez(payload);
chart_instance_updated_destroy(&chart_payload);
}
#else
UNUSED(wc);
UNUSED(cmd);
#endif
return rc;
}
int aclk_add_dimension_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc = 0;
CHECK_SQLITE_CONNECTION(db_meta);
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
char *claim_id = is_agent_claimed();
RRDDIM *rd = cmd.data;
if (likely(claim_id)) {
time_t now = now_realtime_sec();
time_t first_t = rd->state->query_ops.oldest_time(rd);
time_t last_t = rd->state->query_ops.latest_time(rd);
int live = ((now - last_t) < (RRDSET_MINIMUM_LIVE_COUNT * rd->update_every));
struct chart_dimension_updated dim_payload;
size_t size;
memset(&dim_payload, 0, sizeof(dim_payload));
dim_payload.node_id = wc->node_id;
dim_payload.claim_id = claim_id;
dim_payload.name = rd->name;
dim_payload.id = rd->id;
dim_payload.chart_id = rd->rrdset->name;
dim_payload.created_at.tv_sec = first_t;
if (unlikely(!live))
dim_payload.last_timestamp.tv_sec = last_t;
char *payload = generate_chart_dimension_updated(&size, &dim_payload);
if (likely(payload))
rc = aclk_add_chart_payload(wc->uuid_str, &rd->state->metric_uuid, claim_id, ACLK_PAYLOAD_DIMENSION, (void *)payload, size);
freez(payload);
freez(claim_id);
}
rrddim_flag_clear(rd, RRDDIM_FLAG_ACLK);
#else
UNUSED(wc);
UNUSED(cmd);
#endif
return rc;
}
void aclk_send_chart_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
int rc;
wc->chart_pending = 0;
if (unlikely(!wc->chart_updates)) {
debug(D_ACLK_SYNC,"Ignoring chart push event, updates have been turned off for node %s", wc->node_id);
return;
}
char *claim_id = is_agent_claimed();
if (unlikely(!claim_id))
return;
uuid_t claim_uuid;
if (uuid_parse(claim_id, claim_uuid))
return;
int limit = cmd.count > 0 ? cmd.count : 1;
uint64_t first_sequence;
uint64_t last_sequence;
time_t last_timestamp;
BUFFER *sql = buffer_create(1024);
sqlite3_stmt *res = NULL;
buffer_sprintf(sql, "SELECT ac.sequence_id, acp.payload, ac.date_created, ac.type, ac.uuid " \
"FROM aclk_chart_%s ac, aclk_chart_payload_%s acp " \
"WHERE ac.date_submitted IS NULL AND ac.unique_id = acp.unique_id AND ac.update_count > 0 " \
"AND acp.claim_id = @claim_id ORDER BY ac.sequence_id ASC LIMIT %d;", wc->uuid_str, wc->uuid_str, limit);
rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement when trying to send a chart update via ACLK");
buffer_free(sql);
freez(claim_id);
return;
}
rc = sqlite3_bind_blob(res, 1, claim_uuid , sizeof(claim_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
char **payload_list = callocz(limit+1, sizeof(char *));
size_t *payload_list_size = callocz(limit+1, sizeof(size_t));
size_t *payload_list_max_size = callocz(limit+1, sizeof(size_t));
struct aclk_message_position *position_list = callocz(limit+1, sizeof(*position_list));
int *is_dim = callocz(limit+1, sizeof(*is_dim));
int loop = cmd.param1;
while (loop > 0) {
uint64_t previous_sequence_id = wc->chart_sequence_id;
int count = 0;
first_sequence = 0;
last_sequence = 0;
while (count < limit && sqlite3_step(res) == SQLITE_ROW) {
size_t payload_size = sqlite3_column_bytes(res, 1);
if (payload_list_max_size[count] < payload_size) {
freez(payload_list[count]);
payload_list_max_size[count] = payload_size;
payload_list[count] = mallocz(payload_size);
}
payload_list_size[count] = payload_size;
memcpy(payload_list[count], sqlite3_column_blob(res, 1), payload_size);
position_list[count].sequence_id = (uint64_t)sqlite3_column_int64(res, 0);
position_list[count].previous_sequence_id = previous_sequence_id;
position_list[count].seq_id_creation_time.tv_sec = sqlite3_column_int64(res, 2);
position_list[count].seq_id_creation_time.tv_usec = 0;
if (!first_sequence)
first_sequence = position_list[count].sequence_id;
last_sequence = position_list[count].sequence_id;
last_timestamp = position_list[count].seq_id_creation_time.tv_sec;
previous_sequence_id = last_sequence;
is_dim[count] = sqlite3_column_int(res, 3) > 0;
count++;
}
freez(payload_list[count]);
payload_list_max_size[count] = 0;
payload_list[count] = NULL;
rc = sqlite3_reset(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when pushing chart events, rc = %d", rc);
if (likely(first_sequence)) {
buffer_flush(sql);
db_lock();
buffer_sprintf(sql, "UPDATE aclk_chart_%s SET status = NULL, date_submitted=strftime('%%s','now') "
"WHERE date_submitted IS NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64 ";",
wc->uuid_str, first_sequence, last_sequence);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "INSERT OR REPLACE INTO aclk_chart_latest_%s (uuid, unique_id, date_submitted) "
" SELECT uuid, unique_id, date_submitted FROM aclk_chart_%s s "
" WHERE date_submitted IS NOT NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64
" ;",
wc->uuid_str, wc->uuid_str, first_sequence, last_sequence);
db_execute(buffer_tostring(sql));
db_unlock();
aclk_chart_inst_and_dim_update(payload_list, payload_list_size, is_dim, position_list, wc->batch_id);
wc->chart_sequence_id = last_sequence;
wc->chart_timestamp = last_timestamp;
}
--loop;
}
for (int i = 0; i <= limit; ++i)
freez(payload_list[i]);
freez(payload_list);
freez(payload_list_size);
freez(payload_list_max_size);
freez(position_list);
freez(is_dim);
bind_fail:
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to finalize statement when pushing chart events, rc = %d", rc);
buffer_free(sql);
freez(claim_id);
#else
UNUSED(wc);
UNUSED(cmd);
#endif
return;
}
// Push one chart config to the cloud
int aclk_send_chart_config(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
UNUSED(wc);
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
CHECK_SQLITE_CONNECTION(db_meta);
sqlite3_stmt *res = NULL;
int rc = 0;
char *hash_id = (char *) cmd.data_param;
uuid_t hash_uuid;
rc = uuid_parse(hash_id, hash_uuid);
if (unlikely(rc)) {
freez((char *) cmd.data_param);
return 1;
}
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql, "SELECT type, family, context, title, priority, plugin, module, unit, chart_type " \
"FROM chart_hash WHERE hash_id = @hash_id;");
rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement when trying to fetch a chart hash configuration");
goto fail;
}
rc = sqlite3_bind_blob(res, 1, &hash_uuid , sizeof(hash_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
struct chart_config_updated chart_config;
chart_config.config_hash = NULL;
while (sqlite3_step(res) == SQLITE_ROW) {
chart_config.type = strdupz((char *)sqlite3_column_text(res, 0));
chart_config.family = strdupz((char *)sqlite3_column_text(res, 1));
chart_config.context = strdupz((char *)sqlite3_column_text(res, 2));
chart_config.title = strdupz((char *)sqlite3_column_text(res, 3));
chart_config.priority = sqlite3_column_int64(res, 4);
chart_config.plugin = strdupz((char *)sqlite3_column_text(res, 5));
chart_config.module = sqlite3_column_bytes(res, 6) > 0 ? strdupz((char *)sqlite3_column_text(res, 6)) : NULL;
chart_config.chart_type = (RRDSET_TYPE) sqlite3_column_int(res,8);
chart_config.units = strdupz((char *)sqlite3_column_text(res, 7));
chart_config.config_hash = strdupz(hash_id);
}
if (likely(chart_config.config_hash)) {
debug(D_ACLK_SYNC, "Sending chart config for %s", hash_id);
aclk_chart_config_updated(&chart_config, 1);
destroy_chart_config_updated(&chart_config);
}
else
info("Chart config for %s not found", hash_id);
bind_fail:
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when pushing chart config hash, rc = %d", rc);
fail:
freez((char *) cmd.data_param);
buffer_free(sql);
return rc;
#else
UNUSED(cmd);
return 0;
#endif
}
void aclk_receive_chart_ack(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc;
sqlite3_stmt *res = NULL;
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql, "UPDATE aclk_chart_%s SET date_updated=strftime('%%s','now') WHERE sequence_id <= @sequence_id "
"AND date_submitted IS NOT NULL AND date_updated IS NULL;", wc->uuid_str);
rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement count sequence ids in the database");
goto prepare_fail;
}
rc = sqlite3_bind_int64(res, 1, (uint64_t) cmd.param1);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = execute_insert(res);
if (rc != SQLITE_DONE)
error_report("Failed to ACK sequence id, rc = %d", rc);
bind_fail:
if (unlikely(sqlite3_finalize(res) != SQLITE_OK))
error_report("Failed to finalize statement to ACK older sequence ids, rc = %d", rc);
prepare_fail:
buffer_free(sql);
return;
}
void aclk_receive_chart_reset(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql, "UPDATE aclk_chart_%s SET status = NULL, date_submitted = NULL WHERE sequence_id >= %"PRIu64";",
wc->uuid_str, cmd.param1);
db_execute(buffer_tostring(sql));
if (cmd.param1 == 1) {
db_lock();
buffer_flush(sql);
info("Received full resync for %s", wc->uuid_str);
buffer_sprintf(sql, "DELETE FROM aclk_chart_payload_%s; DELETE FROM aclk_chart_%s; " \
"DELETE FROM aclk_chart_latest_%s;", wc->uuid_str, wc->uuid_str, wc->uuid_str);
db_execute("BEGIN TRANSACTION;");
db_execute(buffer_tostring(sql));
db_execute("COMMIT TRANSACTION;");
db_unlock();
wc->chart_sequence_id = 0;
wc->chart_timestamp = 0;
RRDHOST *host = wc->host;
rrdhost_rdlock(host);
RRDSET *st;
rrdset_foreach_read(st, host) {
rrdset_rdlock(st);
RRDDIM *rd;
rrddim_foreach_read(rd, st) {
rd->state->aclk_live_status = (rd->state->aclk_live_status == 0);
}
rrdset_flag_clear(st, RRDSET_FLAG_ACLK);
rrdset_unlock(st);
}
rrdhost_unlock(host);
}
else {
//sql_chart_deduplicate(wc, cmd);
sql_get_last_chart_sequence(wc, cmd);
}
buffer_free(sql);
wc->chart_updates = 1;
#else
UNUSED(wc);
UNUSED(cmd);
#endif
return;
}
//
// Functions called directly from ACLK threads and will queue commands
//
void aclk_get_chart_config(char **hash_id)
{
struct aclk_database_worker_config *wc = (struct aclk_database_worker_config *)localhost->dbsync_worker;
if (unlikely(!wc || !hash_id))
return;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = ACLK_DATABASE_PUSH_CHART_CONFIG;
for (int i = 0; hash_id[i]; ++i) {
// TODO: Verify that we have a valid hash_id
debug(D_ACLK_SYNC,"Request %d for chart config with hash [%s] received", i, hash_id[i]);
cmd.data_param = (void *)strdupz(hash_id[i]);
aclk_database_enq_cmd(wc, &cmd);
}
return;
}
// Send a command to a node_id
// Need to discover the thread that will handle the request
// if thread not in active hosts, then try to find in the queue
static void aclk_submit_param_command(char *node_id, enum aclk_database_opcode aclk_command, uint64_t param)
{
if (unlikely(!node_id))
return;
struct aclk_database_worker_config *wc = NULL;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = aclk_command;
cmd.param1 = param;
rrd_wrlock();
RRDHOST *host = find_host_by_node_id(node_id);
if (likely(host))
wc = (struct aclk_database_worker_config *)host->dbsync_worker;
rrd_unlock();
if (wc)
aclk_database_enq_cmd(wc, &cmd);
else {
if (aclk_worker_enq_cmd(node_id, &cmd))
error_report("ACLK synchronization thread is not active for node id %s", node_id);
}
return;
}
void aclk_ack_chart_sequence_id(char *node_id, uint64_t last_sequence_id)
{
if (unlikely(!node_id))
return;
debug(D_ACLK_SYNC, "NODE %s reports last sequence id received %"PRIu64, node_id, last_sequence_id);
aclk_submit_param_command(node_id, ACLK_DATABASE_CHART_ACK, last_sequence_id);
return;
}
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
void aclk_reset_chart_event(char *node_id, uint64_t last_sequence_id)
{
if (unlikely(!node_id))
return;
debug(D_ACLK_SYNC, "NODE %s wants to resync from %"PRIu64, node_id, last_sequence_id);
aclk_submit_param_command(node_id, ACLK_DATABASE_RESET_CHART, last_sequence_id);
return;
}
#endif
// ST is read locked
int sql_queue_chart_to_aclk(RRDSET *st)
{
#ifdef ENABLE_ACLK
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
if (!aclk_use_new_cloud_arch)
#endif
{
rrdset_flag_clear(st, RRDSET_FLAG_ACLK);
aclk_update_chart(st->rrdhost, st->id, 1);
return 0;
}
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
return sql_queue_chart_payload((struct aclk_database_worker_config *) st->rrdhost->dbsync_worker,
st, ACLK_DATABASE_ADD_CHART);
#else
return 0;
#endif
#else
UNUSED(st);
return 0;
#endif
}
int sql_queue_dimension_to_aclk(RRDDIM *rd)
{
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
if (!aclk_use_new_cloud_arch)
return 0;
int rc = sql_queue_chart_payload((struct aclk_database_worker_config *) rd->rrdset->rrdhost->dbsync_worker,
rd, ACLK_DATABASE_ADD_DIMENSION);
if (likely(!rc))
rrddim_flag_set(rd, RRDDIM_FLAG_ACLK);
return rc;
#else
UNUSED(rd);
return 0;
#endif
}
void sql_chart_deduplicate(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
UNUSED(cmd);
BUFFER *sql = buffer_create(1024);
db_lock();
buffer_sprintf(sql, "DROP TABLE IF EXISTS t_%s;", wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "CREATE TABLE t_%s AS SELECT * FROM aclk_chart_payload_%s WHERE unique_id IN "
"(SELECT unique_id from aclk_chart_%s WHERE date_submitted IS NULL AND update_count > 0);",
wc->uuid_str, wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "DELETE FROM aclk_chart_payload_%s WHERE unique_id IN (SELECT unique_id FROM t_%s); " ,
wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "DELETE FROM aclk_chart_%s WHERE unique_id IN (SELECT unique_id FROM t_%s);",
wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "DELETE FROM aclk_chart_latest_%s WHERE unique_id IN (SELECT unique_id FROM t_%s);",
wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "INSERT INTO aclk_chart_payload_%s SELECT * FROM t_%s ORDER BY DATE_CREATED ASC;",
wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "INSERT OR REPLACE INTO aclk_chart_latest_%s (uuid, unique_id, date_submitted) "
"SELECT uuid, unique_id, date_submitted FROM aclk_chart_%s where sequence_id IN "
"(SELECT sequence_id FROM aclk_chart_%s WHERE date_submitted IS NOT NULL "
"GROUP BY uuid HAVING sequence_id = MAX(sequence_id));"
, wc->uuid_str, wc->uuid_str, wc->uuid_str);
db_execute(buffer_tostring(sql));
buffer_flush(sql);
buffer_sprintf(sql, "DROP TABLE IF EXISTS t_%s;", wc->uuid_str);
db_execute(buffer_tostring(sql));
db_unlock();
sql_get_last_chart_sequence(wc, cmd);
buffer_free(sql);
return;
}
void sql_get_last_chart_sequence(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
UNUSED(cmd);
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql,"SELECT ac.sequence_id, ac.date_created FROM aclk_chart_%s ac " \
"WHERE ac.date_submitted IS NOT NULL ORDER BY ac.sequence_id DESC LIMIT 1;", wc->uuid_str);
int rc;
sqlite3_stmt *res = NULL;
rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to find last chart sequence id");
goto fail;
}
wc->chart_sequence_id = 0;
wc->chart_timestamp = 0;
while (sqlite3_step(res) == SQLITE_ROW) {
wc->chart_sequence_id = (uint64_t) sqlite3_column_int64(res, 0);
wc->chart_timestamp = (time_t) sqlite3_column_int64(res, 1);
}
debug(D_ACLK_SYNC,"Node %s reports last sequence_id=%"PRIu64, wc->node_id, wc->chart_sequence_id);
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when fetching chart sequence info, rc = %d", rc);
fail:
buffer_free(sql);
return;
}
// Start streaming charts / dimensions for node_id
void aclk_start_streaming(char *node_id, uint64_t sequence_id, time_t created_at, uint64_t batch_id)
{
UNUSED(created_at);
#ifdef ENABLE_NEW_CLOUD_PROTOCOL
if (unlikely(!node_id))
return;
debug(D_ACLK_SYNC,"START streaming charts for node %s from sequence %"PRIu64" t=%ld, batch=%"PRIu64, node_id,
sequence_id, created_at, batch_id);
uuid_t node_uuid;
if (uuid_parse(node_id, node_uuid))
return;
struct aclk_database_worker_config *wc = NULL;
rrd_wrlock();
RRDHOST *host = localhost;
while(host) {
if (host->node_id && !(uuid_compare(*host->node_id, node_uuid))) {
rrd_unlock();
wc = (struct aclk_database_worker_config *)host->dbsync_worker;
if (likely(wc)) {
wc->chart_reset_count++;
__sync_synchronize();
wc->chart_updates = 0;
wc->batch_id = batch_id;
__sync_synchronize();
wc->batch_created = now_realtime_sec();
if (sequence_id > wc->chart_sequence_id || wc->chart_reset_count > 10) {
debug(D_ACLK_SYNC,"Requesting full resync from the cloud -- reset_count=%d", wc->chart_reset_count);
chart_reset_t chart_reset;
chart_reset.claim_id = is_agent_claimed();
if (chart_reset.claim_id) {
chart_reset.node_id = node_id;
chart_reset.reason = SEQ_ID_NOT_EXISTS;
aclk_chart_reset(chart_reset);
freez(chart_reset.claim_id);
wc->chart_reset_count = -1;
}
return;
} else {
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
// TODO: handle timestamp
if (sequence_id < wc->chart_sequence_id) { // || created_at != wc->chart_timestamp) {
cmd.opcode = ACLK_DATABASE_RESET_CHART;
cmd.param1 = sequence_id + 1;
cmd.completion = NULL;
aclk_database_enq_cmd(wc, &cmd);
}
else {
debug(D_ACLK_SYNC,"START streaming charts for %s enabled -- last streamed sequence %"PRIu64 \
" t=%ld (reset count=%d)", wc->host_guid, wc->chart_sequence_id,
wc->chart_timestamp, wc->chart_reset_count);
wc->chart_reset_count = 0;
wc->chart_updates = 1;
}
}
}
else
error("ACLK synchronization thread is not active for host %s", host->hostname);
return;
}
host = host->next;
}
rrd_unlock();
#else
UNUSED(node_id);
UNUSED(sequence_id);
UNUSED(batch_id);
#endif
return;
}
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