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client and server cli optimizations

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This commit is contained in:
David Westgate 2023-11-26 13:15:43 -08:00
parent bdf70ea8d5
commit 2697653b76
3 changed files with 139 additions and 56 deletions
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112
src/client.rs
View File

@ -58,12 +58,12 @@ fn read_messages(mut stream: TcpStream) {
fn process_message(msg_bytes: &[u8]) {
match msg_bytes[0] {
codes::ERROR => {
codes::ERROR =>
{
#[cfg(debug_assertions)]
println!("err: {:x?}", msg_bytes[1]);
match msg_bytes[1] {
codes::error::INVALID_ROOM => {
println!("Attempted to message or list non-existant room. Try again");
println!("Operation Performed on an invalid room. Try again");
}
codes::error::NICKNAME_COLLISION => {
println!(
@ -98,11 +98,23 @@ fn process_message(msg_bytes: &[u8]) {
fn disconnect() {}
fn show(stream: &mut TcpStream) {}
fn help() {
println!("Available commands:");
println!("/quit <- Disconnect and stop the client");
println!("/rooms <- List all of the rooms on the server");
println!("/users <- List all of the user connected to the server");
println!("/list [room-name] <- List all of the users in the given room");
println!("/join [room-name] <- Join the given room. Create the room if it does not exist");
println!(
"/leave [room-name] <- Leave the given room. Error if the you are not already in the room"
);
println!("/show [room-name] <- Switch your focus to the given room. It is suggested to join the room first");
}
pub fn start() {
println!("Starting the IRC client. No spaces allowed in nicknames or room names");
let mut nick: String;
let mut active_room: String = String::new();
loop {
nick = input!("Enter your nickname : ");
if nick.contains(" ") {
@ -125,49 +137,89 @@ pub fn start() {
});
//try to register the nickname
let mut buf: Vec<u8> = vec![0; nick.capacity()];
buf[0] = codes::client::REGISTER_NICK;
for i in 1..nick.len() + 1 {
buf[i] = *nick.as_bytes().get(i - 1).unwrap();
}
stream.write(&buf).unwrap();
one_param_op(codes::client::REGISTER_NICK, &mut stream, &nick);
loop {
let inp: String = input!(":");
let cmds: Vec<_> = inp.split(" ").collect();
match *cmds.get(0).unwrap() {
let mut args: std::str::SplitWhitespace<'_> = inp.split_whitespace();
let command: Option<&str> = args.next();
match command {
Some(cmd) => {
let param: Option<&str> = args.next();
match cmd {
"/quit" => disconnect(),
"/rooms" => no_param_op(codes::client::LIST_ROOMS, &mut stream),
"/users" => no_param_op(codes::client::LIST_USERS, &mut stream),
"/list" => {
let room = *cmds.get(1).unwrap();
"/list" => match param {
Some(room) => {
one_param_op(codes::client::LIST_USERS_IN_ROOM, &mut stream, room);
}
"/join" => {
let room = *cmds.get(1).unwrap();
None => {
println!("Room name expected, but not provided");
}
},
"/join" => match param {
Some(room) => {
one_param_op(codes::client::JOIN_ROOM, &mut stream, room);
}
"/show" => show(&mut stream),
"/leave" => {
let room: &str = *cmds.get(1).unwrap();
None => {
println!("Room name expected, but not provided");
}
},
"/show" => match param {
Some(room) => {
active_room = room.to_string();
}
None => {
println!("Room name expected, but not provided")
}
},
"/leave" => match param {
Some(room) => {
one_param_op(codes::client::LEAVE_ROOM, &mut stream, room);
}
"/msg" => {
let room: &str = *cmds.get(1).unwrap();
// let message = *cmds.
// two_param_op(
// codes::client::SEND_MESSAGE_TO_ROOM,
// &mut stream,
// param0,
// param1,
// )
None => {
println!("Room name expected, but not provided");
}
},
"/msg" => match inp.split_once(" ") {
Some((room, msg)) => {
two_param_op(
codes::client::SEND_MESSAGE_TO_ROOM,
&mut stream,
room,
msg,
);
}
None => {
println!("Usage: /msg [room] [message]");
}
},
"/help" => {
help();
}
"/" => {
println!("Invalid command");
}
_ => {
println!("Not implemented");
if active_room.is_empty() {
println!("use '/show [room]' to set an active room before sending a message");
} else {
let message: String = inp;
two_param_op(
codes::client::SEND_MESSAGE_TO_ROOM,
&mut stream,
&active_room,
&message,
);
}
}
}
}
None => {}
}
}
} else {
println!("Failed to connect to {} with nickname {} ", host, nick);
}

6
src/lib.rs
View File

@ -23,5 +23,11 @@ pub mod codes {
pub const SERVER_FULL: u8 = 0x12;
pub const ALREADY_REGISTERED: u8 = 0x13;
pub const NOT_YET_REGISTERED: u8 = 0x14;
pub const MALFORMED: u8 = 0x15;
pub const ALREADY_IN_ROOM: u8 = 0x16;
}
}
pub fn clear() {
print!("\x1B[2J");
}

55
src/server.rs
View File

@ -1,6 +1,6 @@
use std::sync::{Arc, Mutex};
use std::{
collections::{HashMap, HashSet},
collections::HashMap,
io::{Read, Write},
net::{TcpListener, TcpStream},
thread,
@ -14,28 +14,28 @@ const MAX_USERS: usize = 20;
#[derive(Debug)]
struct Server {
users: HashSet<String>,
users: HashMap<String, TcpStream>,
rooms: HashMap<String, Vec<String>>,
}
impl Server {
fn new() -> Self {
Server {
users: HashSet::new(),
users: HashMap::new(),
rooms: HashMap::new(),
}
}
}
fn message(room: &str, message: &str) {}
fn send_all(op: u8, listener: TcpListener) {
for tcpstream in listener.incoming() {
match tcpstream {
Ok(mut stream) => {
stream.write_all(&[op]).unwrap();
},
Err(_) => {
}
Err(_) => {}
}
}
}
@ -69,7 +69,7 @@ fn handle_client(
let unlocked_server: std::sync::MutexGuard<'_, Server> = server.lock().unwrap();
let mut buf_out: Vec<u8> = Vec::new();
buf_out.extend_from_slice(&[codes::RESPONSE]);
for user in &unlocked_server.users {
for (user, _) in &unlocked_server.users {
buf_out.extend_from_slice(user.as_bytes());
buf_out.extend_from_slice(&[0x20]);
}
@ -99,22 +99,39 @@ fn handle_client(
codes::client::JOIN_ROOM => {
let p: String = String::from_utf8_lossy(param_bytes).to_string();
let params: Vec<&str> = p.split(' ').collect();
let params: Vec<&str> = p.split_whitespace().collect();
let room = params.get(0).unwrap();
join_room(server, &nickname, room, stream)
join_room(server, &nickname, room, stream);
}
codes::client::LEAVE_ROOM => {
let p: String = String::from_utf8_lossy(param_bytes).to_string();
let params: Vec<&str> = p.split(' ').collect();
let params: Vec<&str> = p.split_whitespace().collect();
let room = params.get(0).unwrap();
leave_room(server, &nickname, room, stream)
leave_room(server, &nickname, room, stream);
}
codes::client::SEND_MESSAGE => {
#[cfg(debug_assertions)]
println!("SEND_MESSAGE");
}
codes::client::SEND_MESSAGE_TO_ROOM => {
let p: String = String::from_utf8_lossy(param_bytes).to_string();
let params: Option<(&str, &str)> = p.split_once(" ");
match params {
Some((room, msg)) => {
message(room, msg);
}
_ => {
stream
.write(&[codes::ERROR, codes::error::MALFORMED])
.unwrap();
}
}
#[cfg(debug_assertions)]
println!("SEND_MESSAGE_TO_ROOM, {} ", p);
}
_ => {
#[cfg(debug_assertions)]
println!("Unspecified client Op, {:x?}", cmd_bytes);
@ -127,15 +144,16 @@ fn handle_client(
fn register_nick(server: &Arc<Mutex<Server>>, nickname: &str, stream: &mut TcpStream) {
// Check for nickname collision
let mut unlocked_server: std::sync::MutexGuard<'_, Server> = server.lock().unwrap();
if unlocked_server.users.contains(nickname) {
if unlocked_server.users.contains_key(nickname) {
#[cfg(debug_assertions)]
println!("Nickname Collision, {}", nickname);
stream
.write_all(&[codes::ERROR, codes::error::NICKNAME_COLLISION])
.unwrap();
} else {
let stream_clone = stream.try_clone().expect("failed to clone");
// Add the user to the user list
unlocked_server.users.insert(nickname.to_string());
unlocked_server.users.insert(nickname.to_string(), stream_clone);
// Send response ok
stream.write_all(&[codes::RESPONSE_OK]).unwrap();
@ -147,6 +165,12 @@ fn join_room(server: &Arc<Mutex<Server>>, user: &str, room: &str, stream: &mut T
match unlocked_server.rooms.get_mut(room) {
Some(l) => {
for ele in l.into_iter() {
if ele == user{
stream.write_all(&[codes::ERROR, codes::error::ALREADY_IN_ROOM]).unwrap();
return;
}
}
l.push(user.to_string());
}
None => {
@ -184,7 +208,6 @@ fn leave_room(server: &Arc<Mutex<Server>>, user: &str, room: &str, stream: &mut
pub fn start() {
let listener: TcpListener = TcpListener::bind(SERVER_ADDRESS).expect("Failed to bind to port");
// let incoming: &std::net::Incoming = &listener.incoming();
let server: Arc<Mutex<Server>> = Arc::new(Mutex::new(Server::new()));
let server_outer: Arc<Mutex<Server>> = Arc::clone(&server);
println!("Server listening on {}", SERVER_ADDRESS);
@ -256,7 +279,9 @@ pub fn start() {
let inp: String = input!(":");
match inp.parse::<u8>() {
Ok(num) => match num {
0 => {println!("Goodbye"); },
0 => {
println!("Goodbye");
}
1 => println!("Users: {:?}", server.lock().unwrap().users),
2 => println!("Rooms: {:?}", server.lock().unwrap().rooms),
_ => println!("Invalid Input"),