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use std::thread::sleep;
use std::time::Duration;
use std::path::Path;
use std::collections::HashMap;
use std::io;
use json;
use json::JsonValue;
pub mod server;
use self::server::Server;
// use self::server::tcpserver::TcpServer;
use self::server::unixserver::UnixServer;
enum Message {
Name(String),
Chat(String),
Input,
Invalid(String)
}
struct GameServer<T: Server> {
players: HashMap<usize, String>,
server: T
}
impl<T: Server> GameServer<T> {
pub fn new(server: T) -> GameServer<T> {
GameServer {
players: HashMap::new(),
server
}
}
fn send_error(&mut self, id: usize, err_text: &str) -> Result<(), io::Error>{
self.server.send(id, err_text)
}
pub fn broadcast_message(&mut self, text: &str){
for (id, _name) in &self.players {
let _ = self.server.send(*id, text);
}
}
pub fn handle_message(&mut self, id: usize, msg: Message) {
match msg {
Message::Name(name) => {
let (firstchar, username) = name.split_at(1);
if firstchar == "~"{
if Some(username.to_string()) != self.server.get_name(id) {
let _ = self.send_error(id, &format!("A tilde name must match your username"));
}
} else {
if let Some(oldname) = self.players.get(&id) {
self.broadcast_message(&format!("{} is now known as {}", oldname, name));
} else {
self.broadcast_message(&format!("{} connected", name));
}
self.players.insert(id, name);
}
}
Message::Chat(text) => {
if let Some(name) = self.players.get(&id) {
self.broadcast_message(&format!("{}: {}", name, text));
} else {
let _ = self.send_error(id, &format!("Set a name before you send other messages"));
}
}
Message::Input => { () }
Message::Invalid(text) => {
let _ = self.send_error(id, &format!("Invalid: {}", text));
}
}
}
pub fn remove_connection(&mut self, id: usize) {
if let Some(name) = self.players.remove(&id){
self.broadcast_message(&format!("{} disconnected", name));
}
}
}
fn main() {
// let addr = "127.0.0.1:1234".parse().unwrap();
let addr = Path::new("\0rustifarm");
let mut socketserver = UnixServer::new(&addr).expect("binding server failed");
let mut gameserver = GameServer::new(socketserver);
println!("listening on {:?}", addr);
// let mut players: HashMap<usize, String> = HashMap::new();
loop {
let _joined = server.accept_pending_connections();
// for id in joined {
// // let name = server.get_name(id).expect("Unable to get name");
// gameserver.broadcast_message(&format!("{} connected", id));
// }
let (messages, left) = server.recv_pending_messages();
for (id, message) in messages {
// let name = server.get_name(id).expect("Unable to get name");
gameserver.handle_message(parse_message(&message[..]));
// match parse_message(&message[..]) {
// Message::Name(name) => {
// let (firstchar, username) = name.split_at(1);
// if firstchar == "~"{
// if Some(username.to_string()) != server.get_name(id) {
// let _ = server.send(id, &format!("A tilde name must match your username"));
// }
// } else {
// if let Some(oldname) = players.get(&id) {
// server.broadcast(&format!("{} is now known as {}", oldname, name));
// } else {
// server.broadcast(&format!("{} connected", name));
// }
// players.insert(id, name);
// }
// }
// Message::Chat(text) => {
// if let Some(name) = players.get(&id) {
// server.broadcast(&format!("{}: {}", name, text));
// } else {
// let _ = server.send(id, &format!("Set a name before you send other messages"));
// }
// }
// Message::Input => { () }
// Message::Invalid(text) => {
// let _ = server.send(id, &format!("Invalid: {}", text));
// }
// };
println!("{}: {}", id, message);
}
for id in left {
gameserver.remove_connection(id);
// if let Some(name) = players.remove(&id){
// server.broadcast(&format!("{} disconnected", name));
// }
}
sleep(Duration::from_millis(100));
}
}
fn parse_message(msg: &str) -> Message {
if let Ok(data) = json::parse(msg) {
if let JsonValue::Array(arr) = data {
if arr.len() < 2 {
return Message::Invalid("array not long enough".to_string());
}
if let Some(msgtype) = arr[0].as_str() {
match msgtype {
"name" => {
if let Some(name) = arr[1].as_str(){
Message::Name(name.to_string())
} else {
Message::Invalid("name is not a string".to_string())
}
}
"chat" => {
if let Some(text) = arr[1].as_str(){
Message::Chat(text.to_string())
} else {
Message::Invalid("chat text is not a string".to_string())
}
}
"input" => {
Message::Input
}
_ => {
Message::Invalid(format!("unknown messsage type {:?}", msgtype).to_string())
}
}
} else { Message::Invalid(format!("first array value not string: {:?}", arr[0].dump()).to_string()) }
} else { Message::Invalid("not json array".to_string()) }
} else { Message::Invalid("not json message".to_string()) }
}
|
