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src/lua_shell.rs
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597
src/lua_shell.rs
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@ -0,0 +1,597 @@
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// src/lua_shell.rs
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//! Интерактивная Lua оболочка для Futriix
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//!
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//! Предоставляет интерфейс для взаимодействия с базой данных через Lua
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//! и CRUD команды. Использует wait-free доступ к данным через атомарные ссылки.
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#![allow(dead_code)]
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use std::sync::Arc;
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use tokio::io::{AsyncBufReadExt, BufReader};
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use serde_json::Value;
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use crate::common::Result;
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use crate::server::database::Database;
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use crate::server::lua_engine::LuaEngine;
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use crate::server::sharding::ShardingManager;
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use crate::server::csv_import_export::CsvManager;
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use crate::common::protocol;
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use crate::server::database::{Index, IndexType};
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/// Конвертация HEX цвета в ANSI escape code
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fn hex_to_ansi(hex_color: &str) -> String {
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let hex = hex_color.trim_start_matches('#');
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if hex.len() == 6 {
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if let (Ok(r), Ok(g), Ok(b)) = (
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u8::from_str_radix(&hex[0..2], 16),
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u8::from_str_radix(&hex[2..4], 16),
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u8::from_str_radix(&hex[4..6], 16),
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) {
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return format!("\x1b[38;2;{};{};{}m", r, g, b);
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}
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}
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"\x1b[38;2;255;255;255m".to_string()
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}
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/// Вывод текста с красным цветом для ошибок
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fn print_error(text: &str) {
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let red_color = hex_to_ansi("#FF0000");
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println!("{}{}\x1b[0m", red_color, text);
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}
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/// Вывод текста с зеленым цветом для успеха
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fn print_success(text: &str) {
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let green_color = hex_to_ansi("#00FF00");
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println!("{}{}\x1b[0m", green_color, text);
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}
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/// Вывод текста с синим цветом для информации
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fn print_info(text: &str) {
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let blue_color = hex_to_ansi("#00bfff");
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println!("{}{}\x1b[0m", blue_color, text);
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}
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/// Вывод текста с цветом #33d17a для приглашения Lua
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fn print_lua_color(text: &str) {
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let lua_color = hex_to_ansi("#33d17a"); // Новый цвет #33d17a
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println!("{}{}\x1b[0m", lua_color, text);
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}
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/// Интерактивная Lua оболочка
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pub struct LuaShell {
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lua_engine: LuaEngine,
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database: Arc<Database>,
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sharding_manager: Arc<ShardingManager>,
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csv_manager: Arc<CsvManager>,
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inbox_mode: bool,
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}
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impl LuaShell {
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pub fn new(
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lua_engine: LuaEngine,
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database: Arc<Database>,
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sharding_manager: Arc<ShardingManager>,
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csv_manager: Arc<CsvManager>,
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) -> Self {
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Self {
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lua_engine,
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database,
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sharding_manager,
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csv_manager,
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inbox_mode: false,
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}
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}
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/// Запуск интерактивной оболочки
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pub async fn run(&mut self) -> Result<()> {
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let stdin = tokio::io::stdin();
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let mut reader = BufReader::new(stdin).lines();
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// Выводим приветственное сообщение при запуске Lua интерпретатора
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print_lua_color("Lua interpreter started. Type 'inbox.start' for database commands or Lua code.");
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println!();
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loop {
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if self.inbox_mode {
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let inbox_prompt_color = hex_to_ansi("#00bfff");
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print!("{}futriix:~>\x1b[0m ", inbox_prompt_color);
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} else {
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// ПРИГЛАШЕНИЕ LUA ТЕПЕРЬ ЦВЕТА #33d17a
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let lua_color = hex_to_ansi("#33d17a");
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print!("{}lua>\x1b[0m ", lua_color);
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}
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let _ = std::io::Write::flush(&mut std::io::stdout());
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let line = match reader.next_line().await {
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Ok(Some(line)) => line,
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Ok(None) => break,
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Err(e) => {
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eprintln!("Read error: {}", e);
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continue;
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}
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};
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let input = line.trim();
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match input {
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"exit" | "quit" => break,
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"inbox.start" => {
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self.inbox_mode = true;
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// ИЗМЕНЕНИЕ: убрана точка и изменен цвет на #33d17a
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let lua_color = hex_to_ansi("#33d17a");
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println!("{}Entering database mode\x1b[0m", lua_color);
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continue;
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}
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"inbox.stop" if self.inbox_mode => {
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self.inbox_mode = false;
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print_success("Exiting database mode. Back to Lua interpreter.");
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continue;
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}
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"help" if self.inbox_mode => {
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self.show_help().await?;
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continue;
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}
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_ => {}
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}
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if self.inbox_mode {
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self.handle_inbox_command(input).await?;
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} else {
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self.handle_lua_command(input).await?;
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}
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}
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print_info("Shutting down Futriix server...");
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Ok(())
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}
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/// Обработка Lua команд
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async fn handle_lua_command(&self, input: &str) -> Result<()> {
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if input.is_empty() {
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return Ok(());
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}
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match self.lua_engine.execute_script(input) {
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Ok(_) => {}
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Err(e) => {
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let error_msg = e.to_string();
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if error_msg.contains("Lua error: syntax error:") || error_msg.contains("Unknown command:") {
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print_error(&error_msg);
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} else {
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eprintln!("Lua 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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/// Обработка команд inbox (CRUD + новые команды)
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async fn handle_inbox_command(&self, input: &str) -> Result<()> {
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let parts: Vec<&str> = input.split_whitespace().collect();
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if parts.is_empty() {
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return Ok(());
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}
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match parts[0] {
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// Базовые CRUD команды
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"create" => self.handle_create(parts).await,
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"read" => self.handle_read(parts).await,
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"update" => self.handle_update(parts).await,
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"delete" => self.handle_delete(parts).await,
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"list" => self.handle_list(parts).await,
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// Новые команды для управления кластером
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"cluster.status" => self.handle_cluster_status(parts).await,
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"add.node" => self.handle_add_node(parts).await,
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"evict.node" => self.handle_evict_node(parts).await,
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"list.raft.nodes" => self.handle_list_raft_nodes(parts).await,
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"cluster.rebalance" => self.handle_cluster_rebalance(parts).await,
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// Новые команды для CSV операций
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"csv" => self.handle_csv(parts).await,
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"help" => self.show_help().await,
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_ => {
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let error_msg = format!("Unknown command: {}. Type 'help' for available commands.", parts[0]);
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print_error(&error_msg);
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Ok(())
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}
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}
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}
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// Новые методы для управления кластером
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async fn handle_cluster_status(&self, _parts: Vec<&str>) -> Result<()> {
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match self.sharding_manager.get_cluster_status() {
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Ok(status) => {
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println!("Cluster Status:");
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println!(" Formed: {}", status.cluster_formed);
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println!(" Leader Exists: {}", status.leader_exists);
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println!(" Total Capacity: {}", status.total_capacity);
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println!(" Total Used: {}", status.total_used);
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println!(" Nodes: {}", status.nodes.len());
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for node in status.nodes {
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println!(" - {}: {} ({}% used)", node.node_id, node.address, (node.used as f64 / node.capacity as f64) * 100.0);
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}
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println!(" Raft Nodes: {}", status.raft_nodes.len());
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for raft_node in status.raft_nodes {
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println!(" - {}: {} (term: {}, state: {})", raft_node.node_id, raft_node.address, raft_node.term, raft_node.state);
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}
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}
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Err(e) => {
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println!("Error getting cluster status: {}", e);
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}
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}
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Ok(())
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}
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async fn handle_add_node(&self, parts: Vec<&str>) -> Result<()> {
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if parts.len() < 2 {
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println!("Usage: add.node <node_url> or add.node <node_ip>");
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return Ok(());
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}
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let node_address = parts[1].to_string();
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let node_id = format!("node_{}", uuid::Uuid::new_v4().to_string()[..8].to_string());
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match self.sharding_manager.add_node(node_id.clone(), node_address.clone(), 1024 * 1024 * 1024) {
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Ok(_) => {
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println!("Node '{}' added to cluster at address '{}'", node_id, node_address);
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}
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Err(e) => {
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println!("Error adding node: {}", e);
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}
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}
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Ok(())
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}
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async fn handle_evict_node(&self, parts: Vec<&str>) -> Result<()> {
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if parts.len() < 2 {
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println!("Usage: evict.node <node_url> or evict.node <node_ip>");
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return Ok(());
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}
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let node_address = parts[1].to_string();
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// Находим node_id по адресу
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let mut node_id_to_remove = None;
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for entry in self.sharding_manager.get_nodes() {
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if entry.address == node_address {
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node_id_to_remove = Some(entry.node_id.clone());
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break;
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}
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}
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if let Some(node_id) = node_id_to_remove {
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match self.sharding_manager.remove_node(&node_id) {
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Ok(_) => {
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println!("Node '{}' at address '{}' removed from cluster", node_id, node_address);
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}
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Err(e) => {
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println!("Error removing node: {}", e);
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}
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}
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} else {
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println!("Node with address '{}' not found in cluster", node_address);
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}
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Ok(())
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}
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async fn handle_list_raft_nodes(&self, _parts: Vec<&str>) -> Result<()> {
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let raft_nodes = self.sharding_manager.get_raft_nodes();
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println!("Raft Nodes ({}):", raft_nodes.len());
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for node in raft_nodes {
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println!(" - {}: {} (term: {}, state: {:?}, last_heartbeat: {})",
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node.node_id, node.address, node.term, node.state, node.last_heartbeat);
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}
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Ok(())
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}
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async fn handle_cluster_rebalance(&self, _parts: Vec<&str>) -> Result<()> {
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match self.sharding_manager.rebalance_cluster() {
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Ok(_) => {
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println!("Cluster rebalancing completed successfully");
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}
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Err(e) => {
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println!("Error rebalancing cluster: {}", e);
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}
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}
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Ok(())
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}
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// Новый метод для CSV операций
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async fn handle_csv(&self, parts: Vec<&str>) -> Result<()> {
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if parts.len() < 2 {
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println!("Usage: csv import <collection> <file_path>");
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println!(" csv export <collection> <file_path>");
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println!(" csv list");
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println!(" csv progress <collection>");
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return Ok(());
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}
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match parts[1] {
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"import" => {
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if parts.len() < 4 {
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println!("Usage: csv import <collection> <file_path>");
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return Ok(());
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}
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let collection = parts[2].to_string();
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let file_path = parts[3].to_string();
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match self.csv_manager.import_csv(&collection, &file_path) {
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Ok(count) => {
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println!("Successfully imported {} records from '{}'", count, file_path);
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}
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Err(e) => {
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println!("Error importing CSV: {}", e);
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}
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}
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}
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"export" => {
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if parts.len() < 4 {
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println!("Usage: csv export <collection> <file_path>");
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return Ok(());
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}
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let collection = parts[2].to_string();
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let file_path = parts[3].to_string();
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match self.csv_manager.export_csv(&collection, &file_path) {
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Ok(count) => {
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println!("Successfully exported {} records to '{}'", count, file_path);
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}
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Err(e) => {
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println!("Error exporting CSV: {}", e);
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}
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}
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}
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"list" => {
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match self.csv_manager.list_csv_files() {
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Ok(files) => {
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if files.is_empty() {
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println!("No CSV files found");
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} else {
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println!("CSV files:");
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for file in files {
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println!(" - {}", file);
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}
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}
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}
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Err(e) => {
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println!("Error listing CSV files: {}", e);
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}
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}
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}
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"progress" => {
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if parts.len() < 3 {
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println!("Usage: csv progress <collection>");
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return Ok(());
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}
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let collection = parts[2].to_string();
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let progress = self.csv_manager.get_import_progress(&collection);
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println!("Import progress for '{}': {:.2}%", collection, progress);
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}
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_ => {
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println!("Usage: csv import <collection> <file_path>");
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println!(" csv export <collection> <file_path>");
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println!(" csv list");
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println!(" csv progress <collection>");
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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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// Базовые методы CRUD (упрощенные)
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async fn handle_create(&self, parts: Vec<&str>) -> Result<()> {
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if parts.len() < 3 {
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println!("Usage: create <collection> <json_data>");
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return Ok(());
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}
|
||||
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let collection = parts[1].to_string();
|
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let document = parts[2..].join(" ").into_bytes();
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let command = protocol::Command::Create {
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collection,
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document,
|
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};
|
||||
|
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match self.database.execute_command(command) {
|
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Ok(response) => {
|
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if let protocol::Response::Success(data) = response {
|
||||
if let Ok(id) = String::from_utf8(data) {
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println!("Document created with ID: {}", id);
|
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} else {
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println!("Document created successfully");
|
||||
}
|
||||
} else if let protocol::Response::Error(e) = response {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
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async fn handle_read(&self, parts: Vec<&str>) -> Result<()> {
|
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if parts.len() < 3 {
|
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println!("Usage: read <collection> <id>");
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return Ok(());
|
||||
}
|
||||
|
||||
let collection = parts[1].to_string();
|
||||
let id = parts[2].to_string();
|
||||
|
||||
let command = protocol::Command::Read {
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collection,
|
||||
id,
|
||||
};
|
||||
|
||||
match self.database.execute_command(command) {
|
||||
Ok(response) => {
|
||||
if let protocol::Response::Success(data) = response {
|
||||
if let Ok(document) = String::from_utf8(data) {
|
||||
println!("{}", document);
|
||||
} else {
|
||||
println!("Document read successfully (binary data)");
|
||||
}
|
||||
} else if let protocol::Response::Error(e) = response {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_update(&self, parts: Vec<&str>) -> Result<()> {
|
||||
if parts.len() < 4 {
|
||||
println!("Usage: update <collection> <id> <json_data>");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let collection = parts[1].to_string();
|
||||
let id = parts[2].to_string();
|
||||
let document = parts[3..].join(" ").into_bytes();
|
||||
|
||||
let command = protocol::Command::Update {
|
||||
collection,
|
||||
id,
|
||||
document,
|
||||
};
|
||||
|
||||
match self.database.execute_command(command) {
|
||||
Ok(response) => {
|
||||
if let protocol::Response::Success(_) = response {
|
||||
println!("Document updated successfully");
|
||||
} else if let protocol::Response::Error(e) = response {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_delete(&self, parts: Vec<&str>) -> Result<()> {
|
||||
if parts.len() < 3 {
|
||||
println!("Usage: delete <collection> <id>");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let collection = parts[1].to_string();
|
||||
let id = parts[2].to_string();
|
||||
|
||||
let command = protocol::Command::Delete {
|
||||
collection,
|
||||
id,
|
||||
};
|
||||
|
||||
match self.database.execute_command(command) {
|
||||
Ok(response) => {
|
||||
if let protocol::Response::Success(_) = response {
|
||||
println!("Document deleted successfully");
|
||||
} else if let protocol::Response::Error(e) = response {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_list(&self, parts: Vec<&str>) -> Result<()> {
|
||||
if parts.len() < 2 {
|
||||
println!("Usage: list <collection> [filter]");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let collection = parts[1].to_string();
|
||||
let filter = if parts.len() > 2 {
|
||||
parts[2..].join(" ").into_bytes()
|
||||
} else {
|
||||
vec![]
|
||||
};
|
||||
|
||||
let command = protocol::Command::Query {
|
||||
collection,
|
||||
filter,
|
||||
};
|
||||
|
||||
match self.database.execute_command(command) {
|
||||
Ok(response) => {
|
||||
if let protocol::Response::Success(data) = response {
|
||||
if let Ok(documents) = String::from_utf8(data) {
|
||||
// Используем std::result::Result вместо нашего Result
|
||||
let parsed: std::result::Result<Value, _> = serde_json::from_str(&documents);
|
||||
match parsed {
|
||||
Ok(value) => {
|
||||
println!("{}", serde_json::to_string_pretty(&value).unwrap());
|
||||
}
|
||||
Err(_) => {
|
||||
println!("{}", documents);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
println!("Documents read successfully (binary data)");
|
||||
}
|
||||
} else if let protocol::Response::Error(e) = response {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
println!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Показать справку по командам
|
||||
async fn show_help(&self) -> Result<()> {
|
||||
println!("Available commands:");
|
||||
println!(" Basic CRUD:");
|
||||
println!(" create <collection> <json_data> - Create document");
|
||||
println!(" read <collection> <id> - Read document");
|
||||
println!(" update <collection> <id> <json> - Update document");
|
||||
println!(" delete <collection> <id> - Delete document");
|
||||
println!(" list <collection> [filter] - List documents");
|
||||
println!(" Cluster Management:");
|
||||
println!(" cluster.status - Show cluster status");
|
||||
println!(" add.node <node_url> - Add node to cluster");
|
||||
println!(" evict.node <node_url> - Remove node from cluster");
|
||||
println!(" list.raft.nodes - List Raft nodes");
|
||||
println!(" cluster.rebalance - Rebalance cluster (shards and nodes)");
|
||||
println!(" CSV Operations:");
|
||||
println!(" csv import <coll> <file> - Import CSV to collection");
|
||||
println!(" csv export <coll> <file> - Export collection to CSV");
|
||||
println!(" csv list - List CSV files");
|
||||
println!(" csv progress <coll> - Show import progress");
|
||||
println!(" Other:");
|
||||
println!(" inbox.stop - Exit database mode");
|
||||
println!(" help - Show this help");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user