Redis Clone.... — Giordani L. Rust Projects. Write A

loop { let n = socket.read(&mut buffer).await?; if n == 0 break; match parser.parse(&buffer[..n]) { Ok(Some(commands)) => for cmd in commands let response = handle_command(&store, &cmd); let serialized = response.serialize(); socket.write_all(&serialized).await?; Ok(None) => // Incomplete frame, continue reading continue; Err(e) => { let error_resp = RespValue::Error(format!("ERR {}", e)); socket.write_all(&error_resp.serialize()).await?; break; } } }

let key = match &args[0] RespValue::BulkString(Some(k)) => String::from_utf8_lossy(k).to_string(), _ => return RespValue::Error("ERR invalid key".to_string()), ;

let mut ttl_ms = None; let mut i = 2; while i < args.len() if let RespValue::BulkString(Some(opt)) = &args[i] let opt_str = String::from_utf8_lossy(opt).to_uppercase(); if opt_str == "EX" && i + 1 < args.len() if let RespValue::BulkString(Some(secs_bytes)) = &args[i + 1] if let Ok(secs) = String::from_utf8_lossy(secs_bytes).parse::<u64>() ttl_ms = Some(secs * 1000); i += 2; continue; else if opt_str == "PX" && i + 1 < args.len() if let RespValue::BulkString(Some(ms_bytes)) = &args[i + 1] if let Ok(ms) = String::from_utf8_lossy(ms_bytes).parse::<u64>() ttl_ms = Some(ms); i += 2; continue; i += 1; Giordani L. Rust Projects. Write a Redis Clone....

let key = match &args[0] RespValue::BulkString(Some(k)) => String::from_utf8_lossy(k).to_string(), _ => return RespValue::Error("ERR invalid key".to_string()), ;

pub fn parse(&mut self, data: &[u8]) -> Result<Option<Vec<RespValue>>, String> self.buffer.extend_from_slice(data); let mut commands = Vec::new(); while let Some(cmd) = self.parse_one()? commands.push(cmd); if commands.is_empty() Ok(None) else Ok(Some(commands)) loop { let n = socket

> EXISTS mykey (integer) 1

fn handle_dbsize(store: &Store, _args: &[RespValue]) -> RespValue RespValue::Integer(store.dbsize() as i64) if n == 0 break

async fn handle_client(mut socket: TcpStream, store: Store) -> Result<(), Box<dyn std::error::Error>> { let mut parser = RespParser::new(); let mut buffer = [0; 1024];