Delete futriix-server/src/server.rs

This commit is contained in:
Григорий Сафронов 2025-06-14 21:12:47 +00:00
parent ce763f3f4b
commit 0579a51262

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@ -1,123 +0,0 @@
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::sync::Arc;
use parking_lot::RwLock;
use crossbeam::queue::SegQueue;
use tokio::net::{TcpListener, TcpStream};
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use log::{info, error};
use colored::Colorize;
#[derive(Debug, Serialize, Deserialize)]
pub enum Command {
Insert { key: String, value: serde_json::Value },
Get { key: String },
Update { key: String, value: serde_json::Value },
Delete { key: String },
}
#[derive(Debug, Serialize, Deserialize)]
pub enum Response {
Success(Option<serde_json::Value>),
Error(String),
}
pub struct FutriixServer {
db: Arc<RwLock<HashMap<String, serde_json::Value>>>,
command_queue: Arc<SegQueue<Command>>,
}
impl FutriixServer {
pub fn new() -> Self {
FutriixServer {
db: Arc::new(RwLock::new(HashMap::new())),
command_queue: Arc::new(SegQueue::new()),
}
}
pub async fn run(&self, addr: &str) -> Result<(), Box<dyn std::error::Error>> {
let listener = TcpListener::bind(addr).await?;
info!("{}", "Futriix Server started successfully!".bright_blue());
info!("Listening on: {}", addr);
loop {
let (socket, _) = listener.accept().await?;
let db = self.db.clone();
let queue = self.command_queue.clone();
tokio::spawn(async move {
if let Err(e) = Self::handle_connection(socket, db, queue).await {
error!("Connection error: {}", e);
}
});
}
}
async fn handle_connection(
mut socket: TcpStream,
db: Arc<RwLock<HashMap<String, serde_json::Value>>>,
queue: Arc<SegQueue<Command>>,
) -> Result<(), Box<dyn std::error::Error>> {
loop {
// Read command length
let mut len_buf = [0u8; 4];
if let Err(e) = socket.read_exact(&mut len_buf).await {
if e.kind() == std::io::ErrorKind::UnexpectedEof {
break; // Client disconnected
}
return Err(e.into());
}
let len = u32::from_be_bytes(len_buf) as usize;
// Read command
let mut buf = vec![0u8; len];
socket.read_exact(&mut buf).await?;
let cmd: Command = rmp_serde::from_slice(&buf)?;
queue.push(cmd);
while let Some(cmd) = queue.pop() {
let response = match cmd {
Command::Insert { key, value } => {
let mut db = db.write();
db.insert(key, value);
Response::Success(None)
}
Command::Get { key } => {
let db = db.read();
match db.get(&key) {
Some(value) => Response::Success(Some(value.clone())),
None => Response::Error("Key not found".to_string()),
}
}
Command::Update { key, value } => {
let mut db = db.write();
if db.contains_key(&key) {
db.insert(key, value);
Response::Success(None)
} else {
Response::Error("Key not found".to_string())
}
}
Command::Delete { key } => {
let mut db = db.write();
if db.remove(&key).is_some() {
Response::Success(None)
} else {
Response::Error("Key not found".to_string())
}
}
};
let response_bytes = rmp_serde::to_vec(&response)?;
// Send response length
let len = response_bytes.len() as u32;
socket.write_all(&len.to_be_bytes()).await?;
// Send response
socket.write_all(&response_bytes).await?;
}
}
Ok(())
}
}