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Add proper logging

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timvisee 2021-11-07 23:16:56 +01:00
parent fe9f5dc936
commit 1de68e7335
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7 changed files with 129 additions and 14 deletions
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1
.env.example Normal file
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@ -0,0 +1 @@
RUST_LOG=info

1
.gitignore vendored
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@ -1,3 +1,4 @@
.env
/target
# Test server

102
Cargo.lock generated
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@ -8,6 +8,26 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "aho-corasick"
version = "0.7.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
dependencies = [
"memchr",
]
[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
dependencies = [
"hermit-abi",
"libc",
"winapi",
]
[[package]]
name = "autocfg"
version = "0.1.7"
@ -62,6 +82,25 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "dotenv"
version = "0.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
[[package]]
name = "env_logger"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
dependencies = [
"atty",
"humantime",
"log",
"regex",
"termcolor",
]
[[package]]
name = "flate2"
version = "1.0.22"
@ -162,6 +201,15 @@ dependencies = [
"libc",
]
[[package]]
name = "humantime"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
dependencies = [
"quick-error",
]
[[package]]
name = "itoa"
version = "0.4.8"
@ -173,9 +221,12 @@ name = "lazymc"
version = "0.1.0"
dependencies = [
"bytes",
"dotenv",
"futures",
"libc",
"log",
"minecraft-protocol",
"pretty_env_logger",
"rand 0.8.4",
"tokio",
]
@ -316,6 +367,16 @@ version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
[[package]]
name = "pretty_env_logger"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"
dependencies = [
"env_logger",
"log",
]
[[package]]
name = "proc-macro2"
version = "1.0.32"
@ -325,6 +386,12 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "quick-error"
version = "1.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
[[package]]
name = "quote"
version = "1.0.10"
@ -489,6 +556,23 @@ dependencies = [
"rand_core 0.3.1",
]
[[package]]
name = "regex"
version = "1.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.6.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
[[package]]
name = "ryu"
version = "1.0.5"
@ -546,6 +630,15 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "termcolor"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
dependencies = [
"winapi-util",
]
[[package]]
name = "tokio"
version = "1.13.0"
@ -614,6 +707,15 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
dependencies = [
"winapi",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"

4
Cargo.toml
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@ -25,3 +25,7 @@ libc = "0.2"
minecraft-protocol = { git = "https://github.com/timvisee/minecraft-protocol", rev = "c578492" }
rand = "0.8"
tokio = { version = "1", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "macros", "time", "process", "signal"] }
dotenv = "0.15"
log = "0.4"
pretty_env_logger = "0.4"

27
src/main.rs
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@ -1,3 +1,6 @@
#[macro_use]
extern crate log;
pub(crate) mod config;
pub(crate) mod monitor;
pub(crate) mod protocol;
@ -28,7 +31,11 @@ use server::ServerState;
#[tokio::main]
async fn main() -> Result<(), ()> {
println!(
// Initialize logging
let _ = dotenv::dotenv();
pretty_env_logger::init();
info!(
"Proxying public {} to internal {}",
ADDRESS_PUBLIC, ADDRESS_PROXY,
);
@ -62,7 +69,7 @@ async fn main() -> Result<(), ()> {
// When server is not online, spawn a status server
let transfer = status_server(client, inbound, server_state.clone()).map(|r| {
if let Err(err) = r {
println!("Failed to serve status: {:?}", err);
error!("Failed to serve status: {:?}", err);
}
});
@ -71,7 +78,7 @@ async fn main() -> Result<(), ()> {
// When server is online, proxy all
let transfer = proxy(inbound, ADDRESS_PROXY.to_string()).map(|r| {
if let Err(err) = r {
println!("Failed to proxy: {:?}", err);
error!("Failed to proxy: {:?}", err);
}
});
@ -110,8 +117,8 @@ pub async fn read_packet<'a>(
let (consumed, len) = match types::read_var_int(&buf) {
Ok(result) => result,
Err(err) => {
eprintln!("Failed to read packet length, should retry!");
eprintln!("{:?}", (&buf).as_ref());
error!("Failed to read packet length, should retry!");
error!("{:?}", (&buf).as_ref());
return Err(err);
}
};
@ -161,7 +168,7 @@ async fn status_server(
Ok(Some(packet)) => packet,
Ok(None) => break,
Err(_) => {
eprintln!("Closing connection, error occurred");
error!("Closing connection, error occurred");
break;
}
};
@ -243,10 +250,10 @@ async fn status_server(
continue;
}
// // Show unhandled packet warning
// eprintln!("Received unhandled packet:");
// eprintln!("- State: {:?}", client.state());
// eprintln!("- Packet ID: {}", packet.id);
// Show unhandled packet warning
debug!("Received unhandled packet:");
debug!("- State: {:?}", client.state());
debug!("- Packet ID: {}", packet.id);
}
// Gracefully close connection

2
src/monitor.rs
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@ -35,7 +35,7 @@ pub async fn poll_server(addr: SocketAddr) -> bool {
/// Monitor server.
pub async fn monitor_server(addr: SocketAddr, state: Arc<ServerState>) {
loop {
// TODO: eprintln!("Polling {} ... ", addr);
trace!("Polling {} ... ", addr);
let online = poll_server(addr).await;
state.set_online(online);

6
src/server.rs
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@ -42,7 +42,7 @@ impl ServerState {
/// Kill any running server.
pub fn kill_server(&self) -> bool {
if let Some(pid) = *self.pid.lock().unwrap() {
eprintln!("[lazymc] Sending kill signal to server");
warn!("Sending kill signal to server");
kill_gracefully(pid);
return true;
}
@ -60,13 +60,13 @@ impl ServerState {
pub async fn start(state: Arc<ServerState>) -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::new(SERVER_CMD);
eprintln!("[lazymc] Starting server...");
info!("Starting server...");
let mut child = cmd.spawn()?;
state.set_pid(Some(child.id().expect("unknown server PID")));
let status = child.wait().await?;
eprintln!("[lazymc] Server stopped (status: {})\n", status);
info!("Server stopped (status: {})\n", status);
// Reset online and starting state
// TODO: also set this when returning early due to error