hedgewars: rust/hedgewars-server/src/server/io.rs@65861ba8b4e8 (annotated)

14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	1	use std::{
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	2	fs::{File, OpenOptions},
14457 98ef2913ec73 Apply rustfmt to all files unc0rr parents: 14415 diff changeset	3	io::{Error, ErrorKind, Read, Result, Write},
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	4	sync::mpsc,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	5	thread,
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	6	};
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	7
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	8	use crate::server::{
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	9	database::Database,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	10	handlers::{IoResult, IoTask},
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	11	};
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	12	use mio::{Evented, Poll, PollOpt};
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	13	use mio_extras::channel;
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	14	use log::*;
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	15
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	16	pub type RequestId = u32;
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	17
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	18	pub struct IOThread {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	19	core_tx: mpsc::Sender<(RequestId, IoTask)>,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	20	core_rx: channel::Receiver<(RequestId, IoResult)>,
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	21	}
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	22
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	23	impl IOThread {
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	24	pub fn new() -> Self {
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	25	let (core_tx, io_rx) = mpsc::channel();
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	26	let (io_tx, core_rx) = channel::channel();
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	27
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	28	let mut db = Database::new();
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	29	db.connect("localhost");
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	30
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	31	thread::spawn(move \|\| {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	32	while let Ok((request_id, task)) = io_rx.try_recv() {
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	33	let response = match task {
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	34	IoTask::GetAccount {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	35	nick,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	36	protocol,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	37	password_hash,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	38	client_salt,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	39	server_salt,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	40	} => {
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	41	match db.get_account(
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	42	&nick,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	43	protocol,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	44	&password_hash,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	45	&client_salt,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	46	&server_salt,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	47	) {
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	48	Ok(account) => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	49	IoResult::Account(account)
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	50	}
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	51	Err(..) => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	52	warn!("Unable to get account data: {}", 0);
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	53	IoResult::Account(None)
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	54	}
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	55	}
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	56	},
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	57
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	58	IoTask::SaveRoom { room_id, filename, contents} => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	59	let result = match save_file(&filename, &contents) {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	60	Ok(()) => true,
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	61	Err(e) => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	62	warn!(
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	63	"Error while writing the room config file \"{}\": {}",
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	64	filename, e
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	65	);
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	66	false
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	67	}
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	68	};
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	69	IoResult::SaveRoom(room_id, result)
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	70	},
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	71
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	72	IoTask::LoadRoom {room_id, filename} => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	73	let result = match load_file(&filename) {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	74	Ok(contents) => Some(contents),
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	75	Err(e) => {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	76	warn!(
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	77	"Error while writing the room config file \"{}\": {}",
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	78	filename, e
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	79	);
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	80	None
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	81	}
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	82	};
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	83	IoResult::LoadRoom(room_id, result)
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	84	}
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	85	};
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	86	io_tx.send((request_id, response));
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	87	}
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	88	});
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	89
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	90	Self { core_rx, core_tx }
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	91	}
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	92
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	93	pub fn send(&self, request_id: RequestId, task: IoTask) {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	94	self.core_tx.send((request_id, task)).unwrap();
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	95	}
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	96
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	97	pub fn try_recv(&self) -> Option<(RequestId, IoResult)> {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	98	match self.core_rx.try_recv() {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	99	Ok(result) => Some(result),
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	100	Err(mpsc::TryRecvError::Empty) => None,
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	101	Err(mpsc::TryRecvError::Disconnected) => unreachable!(),
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	102	}
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	103	}
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	104
14779 f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	105	pub fn register_rx(&self, poll: &mio::Poll, token: mio::Token) -> Result<()> {
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	106	self.core_rx
f43ab2bd76ae add a thread for internal server IO and implement account checking with it alfadur parents: 14457 diff changeset	107	.register(poll, token, mio::Ready::readable(), PollOpt::edge())
14392 e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	108	}
e335b3120f59 pull file io out of server handler alfadur parents: diff changeset	109	}
14780 65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	110
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	111	fn save_file(filename: &str, contents: &str) -> Result<()> {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	112	let mut writer = OpenOptions::new().create(true).write(true).open(filename)?;
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	113	writer.write_all(contents.as_bytes())
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	114	}
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	115
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	116	fn load_file(filename: &str) -> Result<String> {
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	117	let mut reader = File::open(filename)?;
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	118	let mut result = String::new();
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	119	reader.read_to_string(&mut result)?;
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	120	Ok(result)
65861ba8b4e8 move room saves to IO thread alfadur parents: 14779 diff changeset	121	}

author	alfadur
	Tue, 09 Apr 2019 23:03:12 +0300
changeset 14780	65861ba8b4e8
parent 14779	f43ab2bd76ae
child 14781	01f8ab45f806
permissions	-rw-r--r--