Delete futriix/src/server.rs
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@ -1,866 +0,0 @@
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use serde::{Deserialize, Serialize};
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use std::collections::HashMap;
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use std::path::Path;
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use std::sync::Arc;
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use std::time::Duration;
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use crossbeam::queue::SegQueue;
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use parking_lot::RwLock;
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use tokio::net::{TcpListener, TcpStream};
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use tokio::io::{AsyncReadExt, AsyncWriteExt};
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use tokio::time;
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use log::{info, error, debug, warn};
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use warp::Filter;
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use rlua::Lua;
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// Custom B*-tree implementation for time-series data
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mod bstar_tree {
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use serde::{Serialize, Deserialize};
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const MIN_DEGREE: usize = 2;
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const MAX_KEYS: usize = 2 * MIN_DEGREE - 1;
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct BStarTree<K: Ord + Clone, V: Clone> {
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root: Node<K, V>,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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enum Node<K: Ord + Clone, V: Clone> {
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Internal {
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keys: Vec<K>,
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children: Vec<Node<K, V>>,
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},
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Leaf {
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keys: Vec<K>,
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values: Vec<V>,
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},
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}
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impl<K: Ord + Clone, V: Clone> BStarTree<K, V> {
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pub fn new() -> Self {
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BStarTree {
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root: Node::Leaf {
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keys: Vec::new(),
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values: Vec::new(),
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},
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}
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}
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pub fn insert(&mut self, key: K, value: V) -> Option<V> {
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let (new_root, old_val) = self.root.insert(key, value);
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if let Some(new_root) = new_root {
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self.root = Node::Internal {
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keys: vec![new_root.0],
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children: vec![new_root.1, new_root.2],
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};
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}
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old_val
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}
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pub fn range(&self, start: &K, end: &K) -> Vec<(&K, &V)> {
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self.root.range(start, end)
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}
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pub fn remove(&mut self, key: &K) -> Option<V> {
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let (new_root, old_val) = self.root.remove(key);
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if let Some(new_root) = new_root {
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self.root = new_root;
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}
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old_val
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}
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}
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impl<K: Ord + Clone, V: Clone> Node<K, V> {
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fn insert(&mut self, key: K, value: V) -> (Option<(K, Node<K, V>, Node<K, V>)>, Option<V>) {
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match self {
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Node::Leaf { keys, values } => {
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match keys.binary_search(&key) {
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Ok(idx) => {
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let old_val = values[idx].clone();
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values[idx] = value;
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(None, Some(old_val))
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}
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Err(idx) => {
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keys.insert(idx, key);
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values.insert(idx, value);
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if keys.len() > MAX_KEYS {
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let split_idx = keys.len() / 2;
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let split_key = keys[split_idx].clone();
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let right_keys = keys.split_off(split_idx + 1);
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let right_values = values.split_off(split_idx + 1);
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let right_node = Node::Leaf {
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keys: right_keys,
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values: right_values,
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};
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let left_node = Node::Leaf {
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keys: keys.clone(),
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values: values.clone(),
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};
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(Some((split_key, left_node, right_node)), None)
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} else {
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(None, None)
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}
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}
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}
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}
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Node::Internal { keys, children } => {
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let idx = match keys.binary_search(&key) {
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Ok(idx) => idx + 1,
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Err(idx) => idx,
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};
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let (split, old_val) = children[idx].insert(key, value);
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if let Some((split_key, left, right)) = split {
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keys.insert(idx, split_key);
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children[idx] = left;
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children.insert(idx + 1, right);
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if keys.len() > MAX_KEYS {
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let split_idx = keys.len() / 2;
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let split_key = keys[split_idx].clone();
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let right_keys = keys.split_off(split_idx + 1);
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let right_children = children.split_off(split_idx + 1);
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let right_node = Node::Internal {
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keys: right_keys,
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children: right_children,
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};
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let left_node = Node::Internal {
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keys: keys.clone(),
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children: children.clone(),
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};
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(Some((split_key, left_node, right_node)), old_val)
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} else {
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(None, old_val)
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}
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} else {
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(None, old_val)
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}
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}
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}
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}
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fn range(&self, start: &K, end: &K) -> Vec<(&K, &V)> {
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let mut result = Vec::new();
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self.collect_range(start, end, &mut result);
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result
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}
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fn collect_range<'a>(&'a self, start: &K, end: &K, result: &mut Vec<(&'a K, &'a V)>) {
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match self {
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Node::Leaf { keys, values } => {
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let start_idx = match keys.binary_search(start) {
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Ok(idx) => idx,
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Err(idx) => idx,
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};
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let end_idx = match keys.binary_search(end) {
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Ok(idx) => idx + 1,
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Err(idx) => idx,
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};
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for i in start_idx..end_idx.min(keys.len()) {
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result.push((&keys[i], &values[i]));
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}
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}
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Node::Internal { keys, children } => {
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let mut idx = 0;
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while idx < keys.len() && keys[idx] < *start {
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idx += 1;
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}
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if idx > 0 {
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children[idx - 1].collect_range(start, end, result);
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}
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while idx < keys.len() && keys[idx] <= *end {
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children[idx].collect_range(start, end, result);
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idx += 1;
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}
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if idx == keys.len() {
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children[idx].collect_range(start, end, result);
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}
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}
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}
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}
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fn remove(&mut self, key: &K) -> (Option<Node<K, V>>, Option<V>) {
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match self {
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Node::Leaf { keys, values } => {
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if let Ok(idx) = keys.binary_search(key) {
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let old_val = values.remove(idx);
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keys.remove(idx);
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if keys.len() < MIN_DEGREE - 1 {
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(Some(Node::Leaf {
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keys: keys.clone(),
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values: values.clone(),
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}), Some(old_val))
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} else {
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(None, Some(old_val))
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}
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} else {
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(None, None)
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}
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}
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Node::Internal { keys, children } => {
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let idx = match keys.binary_search(key) {
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Ok(idx) => idx + 1,
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Err(idx) => idx,
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};
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let (new_child, old_val) = children[idx].remove(key);
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if let Some(new_child) = new_child {
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if let Node::Leaf { keys: new_keys, values: new_values } = new_child {
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if idx > 0 {
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// Merge with left sibling
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if let Node::Leaf { keys: left_keys, values: left_values } = &mut children[idx - 1] {
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left_keys.extend(new_keys);
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left_values.extend(new_values);
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keys.remove(idx - 1);
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children.remove(idx);
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}
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} else if idx + 1 < children.len() {
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// Merge with right sibling
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if let Node::Leaf { keys: right_keys, values: right_values } = &mut children[idx + 1] {
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right_keys.splice(0..0, new_keys);
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right_values.splice(0..0, new_values);
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keys.remove(idx);
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children.remove(idx);
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}
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}
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}
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}
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if keys.len() < MIN_DEGREE - 1 {
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if keys.is_empty() {
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(Some(children.remove(0)), old_val)
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} else {
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(Some(Node::Internal {
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keys: keys.clone(),
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children: children.clone(),
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}), old_val)
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}
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} else {
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(None, old_val)
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}
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}
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}
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}
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}
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub enum Command {
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Insert { metric: String, timestamp: u128, value: serde_json::Value },
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GetRange { metric: String, start: u128, end: u128 },
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GetLatest { metric: String },
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DeleteRange { metric: String, start: u128, end: u128 },
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BeginTransaction,
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CommitTransaction(u64),
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RollbackTransaction(u64),
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CreateIndex { field: String },
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DropIndex { field: String },
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SysExec { script_name: String },
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Replicate { commands: Vec<(Command, u128)> },
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ReplicationEnable,
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ReplicationDisable,
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ReplicationAddPeer { addr: String },
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ReplicationRemovePeer { addr: String },
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ReplicationStatus,
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BackupCreate { path: String },
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BackupRestore { path: String },
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LuaExec { code: String },
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Halt,
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}
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#[derive(Debug, Serialize, Deserialize)]
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pub enum Response {
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Success(Option<serde_json::Value>),
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Error(String),
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ReplicationStatus {
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enabled: bool,
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peers: Vec<String>,
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last_sync: u128,
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},
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BackupStatus { success: bool, message: String },
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LuaOutput(String),
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}
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pub struct FutriixServer {
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ts_db: Arc<RwLock<HashMap<String, bstar_tree::BStarTree<u128, serde_json::Value>>>>,
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command_queue: Arc<SegQueue<Command>>,
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transactions: Arc<RwLock<HashMap<u64, HashMap<String, Vec<(u128, serde_json::Value)>>>>>,
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indexes: Arc<RwLock<HashMap<String, HashMap<serde_json::Value, Vec<String>>>>>,
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replication_enabled: bool,
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peer_nodes: Vec<String>,
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sync_interval: u64,
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last_sync_timestamp: Arc<RwLock<u128>>,
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command_history: Arc<RwLock<Vec<(Command, u128)>>>,
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next_tx_id: Arc<RwLock<u64>>,
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shutdown: Arc<RwLock<bool>>,
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}
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impl FutriixServer {
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pub fn new(config: &toml::Value) -> Self {
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debug!("Initializing server with config: {:?}", config);
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let replication_enabled = config.get("replication")
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.and_then(|r| r.get("enabled"))
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.and_then(|v| v.as_bool())
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.unwrap_or(false);
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let peer_nodes = config.get("replication")
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.and_then(|r| r.get("peer_nodes"))
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.and_then(|n| n.as_array())
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.map(|nodes| {
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nodes.iter()
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.filter_map(|n| n.as_str().map(|s| s.to_string()))
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.collect()
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})
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.unwrap_or_default();
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let sync_interval = config.get("replication")
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.and_then(|r| r.get("sync_interval"))
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.and_then(|i| i.as_integer())
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.map(|i| i as u64)
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.unwrap_or(1000);
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FutriixServer {
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ts_db: Arc::new(RwLock::new(HashMap::new())),
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command_queue: Arc::new(SegQueue::new()),
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transactions: Arc::new(RwLock::new(HashMap::new())),
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indexes: Arc::new(RwLock::new(HashMap::new())),
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replication_enabled,
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peer_nodes,
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sync_interval,
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last_sync_timestamp: Arc::new(RwLock::new(0)),
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command_history: Arc::new(RwLock::new(Vec::new())),
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next_tx_id: Arc::new(RwLock::new(1)),
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shutdown: Arc::new(RwLock::new(false)),
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}
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}
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pub async fn run(&self, addr: &str) -> Result<(), Box<dyn std::error::Error>> {
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info!("Starting server on {}", addr);
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let listener = TcpListener::bind(addr).await?;
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let http_port = addr.split(':').last().unwrap_or("8080").parse::<u16>().unwrap_or(8080) + 1;
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let http_addr = format!("0.0.0.0:{}", http_port);
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self.start_http_api(http_addr.clone());
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info!("Futriix Server started successfully!");
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info!("Listening on: {}", addr);
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info!("HTTP API available on: {}", http_addr);
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if self.replication_enabled {
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info!("Replication enabled with peers: {:?}", self.peer_nodes);
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let sync_task = self.start_replication_sync();
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tokio::spawn(sync_task);
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}
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let scripts_dir = Path::new("scripts");
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if !scripts_dir.exists() {
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if let Err(e) = std::fs::create_dir(scripts_dir) {
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warn!("Failed to create scripts directory: {}", e);
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}
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}
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let backups_dir = Path::new("backups");
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if !backups_dir.exists() {
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if let Err(e) = std::fs::create_dir(backups_dir) {
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warn!("Failed to create backups directory: {}", e);
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}
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}
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loop {
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if *self.shutdown.read() {
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info!("Shutdown signal received, stopping server");
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break;
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}
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match listener.accept().await {
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Ok((socket, _)) => {
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let server = self.clone();
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tokio::spawn(async move {
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if let Err(e) = server.handle_connection(socket).await {
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error!("Connection error: {}", e);
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}
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});
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}
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Err(e) => {
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error!("Accept error: {}", e);
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}
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}
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}
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Ok(())
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}
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fn start_http_api(&self, addr: String) {
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let ts_db = self.ts_db.clone();
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let command_queue_insert = self.command_queue.clone();
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let _command_queue_get = self.command_queue.clone();
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let command_queue_delete = self.command_queue.clone();
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let ts_db_clone = ts_db.clone();
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tokio::spawn(async move {
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let get = warp::path!("api" / "get" / String / u128 / u128)
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.and(warp::get())
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.map(move |metric: String, start: u128, end: u128| {
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let db = ts_db.read();
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match db.get(&metric) {
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Some(tree) => {
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let data = tree.range(&start, &end);
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warp::reply::json(&data)
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},
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None => warp::reply::json(&Vec::<(u128, serde_json::Value)>::new()),
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}
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});
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let get_latest = warp::path!("api" / "latest" / String)
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.and(warp::get())
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.map(move |metric: String| {
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let db = ts_db_clone.read();
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match db.get(&metric) {
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Some(tree) => {
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if let Some((ts, val)) = tree.range(&0, &u128::MAX).last() {
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warp::reply::json(&(*ts, (*val).clone()))
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} else {
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warp::reply::json(&(0, serde_json::Value::Null))
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}
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},
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None => warp::reply::json(&(0, serde_json::Value::Null)),
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}
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});
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let insert = warp::path!("api" / "insert")
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.and(warp::post())
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.and(warp::body::json())
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.map(move |data: HashMap<String, (u128, serde_json::Value)>| {
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for (metric, (timestamp, value)) in data {
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command_queue_insert.push(Command::Insert {
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metric,
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timestamp,
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value
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});
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}
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warp::reply::json(&serde_json::json!({"status": "ok"}))
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});
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let delete = warp::path!("api" / "delete" / String / u128 / u128)
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.and(warp::delete())
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.map(move |metric: String, start: u128, end: u128| {
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command_queue_delete.push(Command::DeleteRange {
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metric,
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start,
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end
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});
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warp::reply::json(&serde_json::json!({"status": "ok"}))
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});
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|
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let routes = get.or(get_latest).or(insert).or(delete);
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|
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warp::serve(routes)
|
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.run(addr.parse::<std::net::SocketAddr>().unwrap())
|
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.await;
|
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});
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}
|
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fn start_replication_sync(&self) -> impl std::future::Future<Output = ()> + 'static {
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let peer_nodes = self.peer_nodes.clone();
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let command_history = self.command_history.clone();
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let last_sync_timestamp = self.last_sync_timestamp.clone();
|
||||
let sync_interval = self.sync_interval;
|
||||
|
||||
async move {
|
||||
let mut interval = time::interval(Duration::from_millis(sync_interval));
|
||||
loop {
|
||||
interval.tick().await;
|
||||
|
||||
let commands_to_sync = {
|
||||
let history = command_history.read();
|
||||
let last_sync = *last_sync_timestamp.read();
|
||||
history.iter()
|
||||
.filter(|(_, ts)| *ts > last_sync)
|
||||
.map(|(cmd, ts)| (cmd.clone(), *ts))
|
||||
.collect::<Vec<_>>()
|
||||
};
|
||||
|
||||
if !commands_to_sync.is_empty() {
|
||||
for peer in &peer_nodes {
|
||||
if let Ok(mut stream) = TcpStream::connect(peer).await {
|
||||
let replicate_cmd = Command::Replicate {
|
||||
commands: commands_to_sync.clone(),
|
||||
};
|
||||
|
||||
if let Ok(cmd_bytes) = rmp_serde::to_vec(&replicate_cmd) {
|
||||
let len = cmd_bytes.len() as u32;
|
||||
if let Err(e) = stream.write_all(&len.to_be_bytes()).await {
|
||||
warn!("Failed to write command length to peer {}: {}", peer, e);
|
||||
continue;
|
||||
}
|
||||
if let Err(e) = stream.write_all(&cmd_bytes).await {
|
||||
warn!("Failed to write command to peer {}: {}", peer, e);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async fn handle_connection(
|
||||
&self,
|
||||
mut socket: TcpStream,
|
||||
) -> Result<(), Box<dyn std::error::Error>> {
|
||||
loop {
|
||||
let mut len_buf = [0u8; 4];
|
||||
if let Err(e) = socket.read_exact(&mut len_buf).await {
|
||||
error!("Failed to read command length: {}", e);
|
||||
break;
|
||||
}
|
||||
let len = u32::from_be_bytes(len_buf) as usize;
|
||||
|
||||
let mut buf = vec![0u8; len];
|
||||
if let Err(e) = socket.read_exact(&mut buf).await {
|
||||
error!("Failed to read command: {}", e);
|
||||
break;
|
||||
}
|
||||
|
||||
let cmd: Command = match rmp_serde::from_slice(&buf) {
|
||||
Ok(cmd) => cmd,
|
||||
Err(e) => {
|
||||
error!("Failed to deserialize command: {}", e);
|
||||
break;
|
||||
}
|
||||
};
|
||||
|
||||
self.command_queue.push(cmd.clone());
|
||||
|
||||
while let Some(cmd) = self.command_queue.pop() {
|
||||
if let Command::Replicate { commands } = cmd {
|
||||
for (cmd, ts) in commands {
|
||||
match cmd {
|
||||
Command::Insert { metric, timestamp, value } => {
|
||||
let mut db = self.ts_db.write();
|
||||
let tree = db.entry(metric)
|
||||
.or_insert_with(bstar_tree::BStarTree::new);
|
||||
tree.insert(timestamp, value);
|
||||
}
|
||||
Command::DeleteRange { metric, start, end } => {
|
||||
let mut db = self.ts_db.write();
|
||||
if let Some(tree) = db.get_mut(&metric) {
|
||||
for ts in start..=end {
|
||||
tree.remove(&ts);
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
let _ = Self::process_command(
|
||||
&self.ts_db,
|
||||
&self.transactions,
|
||||
&self.indexes,
|
||||
&self.next_tx_id,
|
||||
&self.shutdown,
|
||||
cmd,
|
||||
);
|
||||
}
|
||||
}
|
||||
*self.last_sync_timestamp.write() = ts;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
let response = Self::process_command(
|
||||
&self.ts_db,
|
||||
&self.transactions,
|
||||
&self.indexes,
|
||||
&self.next_tx_id,
|
||||
&self.shutdown,
|
||||
cmd.clone(),
|
||||
);
|
||||
|
||||
let response_bytes = match rmp_serde::to_vec(&response) {
|
||||
Ok(bytes) => bytes,
|
||||
Err(e) => {
|
||||
error!("Failed to serialize response: {}", e);
|
||||
break;
|
||||
}
|
||||
};
|
||||
let len = response_bytes.len() as u32;
|
||||
if let Err(e) = socket.write_all(&len.to_be_bytes()).await {
|
||||
error!("Failed to write response length: {}", e);
|
||||
break;
|
||||
}
|
||||
if let Err(e) = socket.write_all(&response_bytes).await {
|
||||
error!("Failed to write response: {}", e);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn process_command(
|
||||
ts_db: &Arc<RwLock<HashMap<String, bstar_tree::BStarTree<u128, serde_json::Value>>>>,
|
||||
transactions: &Arc<RwLock<HashMap<u64, HashMap<String, Vec<(u128, serde_json::Value)>>>>>,
|
||||
indexes: &Arc<RwLock<HashMap<String, HashMap<serde_json::Value, Vec<String>>>>>,
|
||||
next_tx_id: &Arc<RwLock<u64>>,
|
||||
shutdown: &Arc<RwLock<bool>>,
|
||||
cmd: Command,
|
||||
) -> Response {
|
||||
match cmd {
|
||||
Command::Insert { metric, timestamp, value } => {
|
||||
let mut db = ts_db.write();
|
||||
let tree = db.entry(metric.clone())
|
||||
.or_insert_with(bstar_tree::BStarTree::new);
|
||||
tree.insert(timestamp, value.clone());
|
||||
|
||||
Self::update_indexes(indexes, metric, &value);
|
||||
Response::Success(None)
|
||||
},
|
||||
Command::GetRange { metric, start, end } => {
|
||||
let db = ts_db.read();
|
||||
match db.get(&metric) {
|
||||
Some(tree) => {
|
||||
let data = tree.range(&start, &end);
|
||||
Response::Success(Some(serde_json::json!(data)))
|
||||
},
|
||||
None => Response::Error("Metric not found".to_string()),
|
||||
}
|
||||
},
|
||||
Command::GetLatest { metric } => {
|
||||
let db = ts_db.read();
|
||||
match db.get(&metric) {
|
||||
Some(tree) => {
|
||||
if let Some((ts, val)) = tree.range(&0, &u128::MAX).last() {
|
||||
Response::Success(Some(serde_json::json!({
|
||||
"timestamp": ts,
|
||||
"value": val
|
||||
})))
|
||||
} else {
|
||||
Response::Error("No data for metric".to_string())
|
||||
}
|
||||
},
|
||||
None => Response::Error("Metric not found".to_string()),
|
||||
}
|
||||
},
|
||||
Command::DeleteRange { metric, start, end } => {
|
||||
let mut db = ts_db.write();
|
||||
if let Some(tree) = db.get_mut(&metric) {
|
||||
for ts in start..=end {
|
||||
tree.remove(&ts);
|
||||
}
|
||||
Response::Success(None)
|
||||
} else {
|
||||
Response::Error("Metric not found".to_string())
|
||||
}
|
||||
},
|
||||
Command::BeginTransaction => {
|
||||
let tx_id = {
|
||||
let mut next_id = next_tx_id.write();
|
||||
let id = *next_id;
|
||||
*next_id += 1;
|
||||
id
|
||||
};
|
||||
|
||||
let mut transactions = transactions.write();
|
||||
transactions.insert(tx_id, HashMap::new());
|
||||
Response::Success(Some(serde_json::json!(tx_id)))
|
||||
},
|
||||
Command::CommitTransaction(tx_id) => {
|
||||
let mut db = ts_db.write();
|
||||
let mut tx_map = transactions.write();
|
||||
|
||||
if let Some(tx_data) = tx_map.remove(&tx_id) {
|
||||
for (metric, data_points) in tx_data {
|
||||
let tree = db.entry(metric.clone())
|
||||
.or_insert_with(bstar_tree::BStarTree::new);
|
||||
for (ts, val) in data_points {
|
||||
tree.insert(ts, val.clone());
|
||||
Self::update_indexes(indexes, metric.clone(), &val);
|
||||
}
|
||||
}
|
||||
Response::Success(None)
|
||||
} else {
|
||||
Response::Error("Transaction not found".to_string())
|
||||
}
|
||||
},
|
||||
Command::RollbackTransaction(tx_id) => {
|
||||
let mut tx_map = transactions.write();
|
||||
if tx_map.remove(&tx_id).is_some() {
|
||||
Response::Success(None)
|
||||
} else {
|
||||
Response::Error("Transaction not found".to_string())
|
||||
}
|
||||
},
|
||||
Command::CreateIndex { field } => {
|
||||
let mut idx = indexes.write();
|
||||
if !idx.contains_key(&field) {
|
||||
idx.insert(field, HashMap::new());
|
||||
Response::Success(None)
|
||||
} else {
|
||||
Response::Error("Index already exists".to_string())
|
||||
}
|
||||
},
|
||||
Command::DropIndex { field } => {
|
||||
let mut idx = indexes.write();
|
||||
if idx.remove(&field).is_some() {
|
||||
Response::Success(None)
|
||||
} else {
|
||||
Response::Error("Index not found".to_string())
|
||||
}
|
||||
},
|
||||
Command::SysExec { script_name } => {
|
||||
match Self::execute_lua_script(&script_name) {
|
||||
Ok(output) => Response::Success(Some(serde_json::json!(output))),
|
||||
Err(e) => Response::Error(format!("Script execution failed: {}", e)),
|
||||
}
|
||||
},
|
||||
Command::LuaExec { code } => {
|
||||
match Self::execute_lua_code(&code) {
|
||||
Ok(output) => Response::LuaOutput(output),
|
||||
Err(e) => Response::Error(format!("Lua execution failed: {}", e)),
|
||||
}
|
||||
},
|
||||
Command::ReplicationEnable => Response::Success(None),
|
||||
Command::ReplicationDisable => Response::Success(None),
|
||||
Command::ReplicationAddPeer { addr: _ } => Response::Success(None),
|
||||
Command::ReplicationRemovePeer { addr: _ } => Response::Success(None),
|
||||
Command::ReplicationStatus => Response::Success(None),
|
||||
Command::Replicate { .. } => Response::Success(None),
|
||||
Command::BackupCreate { path } => {
|
||||
match Self::create_backup(ts_db, &path) {
|
||||
Ok(_) => Response::BackupStatus {
|
||||
success: true,
|
||||
message: format!("Backup created successfully at {}", path),
|
||||
},
|
||||
Err(e) => Response::BackupStatus {
|
||||
success: false,
|
||||
message: format!("Backup failed: {}", e),
|
||||
},
|
||||
}
|
||||
},
|
||||
Command::BackupRestore { path } => {
|
||||
match Self::restore_backup(ts_db, indexes, &path) {
|
||||
Ok(_) => Response::BackupStatus {
|
||||
success: true,
|
||||
message: format!("Backup restored successfully from {}", path),
|
||||
},
|
||||
Err(e) => Response::BackupStatus {
|
||||
success: false,
|
||||
message: format!("Restore failed: {}", e),
|
||||
},
|
||||
}
|
||||
},
|
||||
Command::Halt => {
|
||||
*shutdown.write() = true;
|
||||
Response::Success(None)
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn execute_lua_code(code: &str) -> Result<String, Box<dyn std::error::Error>> {
|
||||
let lua = Lua::new();
|
||||
let result = lua.load(code).eval::<rlua::String>()?;
|
||||
Ok(result.to_str()?.to_string())
|
||||
}
|
||||
|
||||
fn create_backup(
|
||||
ts_db: &Arc<RwLock<HashMap<String, bstar_tree::BStarTree<u128, serde_json::Value>>>>,
|
||||
path: &str,
|
||||
) -> Result<(), Box<dyn std::error::Error>> {
|
||||
let db = ts_db.read();
|
||||
let serialized = serde_json::to_string(&*db)?;
|
||||
std::fs::write(path, serialized)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn restore_backup(
|
||||
ts_db: &Arc<RwLock<HashMap<String, bstar_tree::BStarTree<u128, serde_json::Value>>>>,
|
||||
indexes: &Arc<RwLock<HashMap<String, HashMap<serde_json::Value, Vec<String>>>>>,
|
||||
path: &str,
|
||||
) -> Result<(), Box<dyn std::error::Error>> {
|
||||
let data = std::fs::read_to_string(path)?;
|
||||
let restored: HashMap<String, bstar_tree::BStarTree<u128, serde_json::Value>> = serde_json::from_str(&data)?;
|
||||
|
||||
let mut db = ts_db.write();
|
||||
*db = restored;
|
||||
|
||||
let mut idx = indexes.write();
|
||||
idx.clear();
|
||||
|
||||
for (metric, tree) in db.iter() {
|
||||
for (_, val) in tree.range(&0, &u128::MAX) {
|
||||
for (field, index) in idx.iter_mut() {
|
||||
if let Some(field_value) = val.get(field) {
|
||||
index.entry(field_value.clone())
|
||||
.or_default()
|
||||
.push(metric.clone());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn update_indexes(
|
||||
indexes: &Arc<RwLock<HashMap<String, HashMap<serde_json::Value, Vec<String>>>>>,
|
||||
metric: String,
|
||||
value: &serde_json::Value,
|
||||
) {
|
||||
let mut idx = indexes.write();
|
||||
for (field, index) in idx.iter_mut() {
|
||||
if let Some(field_value) = value.get(field) {
|
||||
index.entry(field_value.clone())
|
||||
.or_default()
|
||||
.push(metric.clone());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn execute_lua_script(script_name: &str) -> Result<String, Box<dyn std::error::Error>> {
|
||||
let script_path = Path::new("scripts").join(script_name).with_extension("lua");
|
||||
let output = std::process::Command::new("lua")
|
||||
.arg(&script_path)
|
||||
.output()?;
|
||||
|
||||
if output.status.success() {
|
||||
Ok(String::from_utf8(output.stdout)?)
|
||||
} else {
|
||||
Err(String::from_utf8(output.stderr)?.into())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Clone for FutriixServer {
|
||||
fn clone(&self) -> Self {
|
||||
FutriixServer {
|
||||
ts_db: self.ts_db.clone(),
|
||||
command_queue: self.command_queue.clone(),
|
||||
transactions: self.transactions.clone(),
|
||||
indexes: self.indexes.clone(),
|
||||
replication_enabled: self.replication_enabled,
|
||||
peer_nodes: self.peer_nodes.clone(),
|
||||
sync_interval: self.sync_interval,
|
||||
last_sync_timestamp: self.last_sync_timestamp.clone(),
|
||||
command_history: self.command_history.clone(),
|
||||
next_tx_id: self.next_tx_id.clone(),
|
||||
shutdown: self.shutdown.clone(),
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user