CI

.gitignore

@@ -8,3 +8,4 @@ debian/debhelper-build-stamp
 .vscode
 src/version.rs
 db_v2.sqlite3
+test.*

src/common.rs

@@ -134,7 +134,7 @@ pub fn gen_sk(wait: u64) -> (String, Option<sign::SecretKey>) {
             }
             (pk, sk) = gen_func();
         }
-        let pub_file = format!("{}.pub", sk_file);
+        let pub_file = format!("{sk_file}.pub");
         if let Ok(mut f) = std::fs::File::create(&pub_file) {
             f.write_all(pk.as_bytes()).ok();
             if let Ok(mut f) = std::fs::File::create(sk_file) {

src/hbbr.rs

@@ -13,10 +13,9 @@ fn main() -> ResultType<()> {
         .write_mode(WriteMode::Async)
         .start()?;
     let args = format!(
-        "-p, --port=[NUMBER(default={})] 'Sets the listening port'
+        "-p, --port=[NUMBER(default={RELAY_PORT})] 'Sets the listening port'
         -k, --key=[KEY] 'Only allow the client with the same key'
         ",
-        RELAY_PORT,
     );
     let matches = App::new("hbbr")
         .version(version::VERSION)

src/lib.rs

@@ -3,4 +3,5 @@ pub use rendezvous_server::*;
 pub mod common;
 mod database;
 mod peer;
+#[rustfmt::skip]
 mod version;

src/main.rs

@@ -15,16 +15,14 @@ fn main() -> ResultType<()> {
         .start()?;
     let args = format!(
         "-c --config=[FILE] +takes_value 'Sets a custom config file'
-        -p, --port=[NUMBER(default={})] 'Sets the listening port'
+        -p, --port=[NUMBER(default={RENDEZVOUS_PORT})] 'Sets the listening port'
         -s, --serial=[NUMBER(default=0)] 'Sets configure update serial number'
         -R, --rendezvous-servers=[HOSTS] 'Sets rendezvous servers, seperated by colon'
         -u, --software-url=[URL] 'Sets download url of RustDesk software of newest version'
         -r, --relay-servers=[HOST] 'Sets the default relay servers, seperated by colon'
-        -M, --rmem=[NUMBER(default={})] 'Sets UDP recv buffer size, set system rmem_max first, e.g., sudo sysctl -w net.core.rmem_max=52428800. vi /etc/sysctl.conf, net.core.rmem_max=52428800, sudo sysctl –p'
+        -M, --rmem=[NUMBER(default={RMEM})] 'Sets UDP recv buffer size, set system rmem_max first, e.g., sudo sysctl -w net.core.rmem_max=52428800. vi /etc/sysctl.conf, net.core.rmem_max=52428800, sudo sysctl –p'
         , --mask=[MASK] 'Determine if the connection comes from LAN, e.g. 192.168.0.0/16'
         -k, --key=[KEY] 'Only allow the client with the same key'",
-        RENDEZVOUS_PORT,
-        RMEM,
     );
     init_args(&args, "hbbs", "RustDesk ID/Rendezvous Server");
     let port = get_arg_or("port", RENDEZVOUS_PORT.to_string()).parse::<i32>()?;

src/peer.rs

@@ -77,7 +77,7 @@ impl PeerMap {
             }
             #[cfg(not(windows))]
             {
-                db = format!("./{}", db);
+                db = format!("./{db}");
             }
             db
         });

src/relay_server.rs

@@ -240,7 +240,7 @@ async fn check_cmd(cmd: &str, limiter: Limiter) -> String {
                 }
             } else {
                 unsafe {
-                    res = format!("{}\n", DOWNGRADE_THRESHOLD);
+                    res = format!("{DOWNGRADE_THRESHOLD}\n");
                 }
             }
         }

src/rendezvous_server.rs

@@ -93,7 +93,7 @@ impl RendezvousServer {
     #[tokio::main(flavor = "multi_thread")]
     pub async fn start(port: i32, serial: i32, key: &str, rmem: usize) -> ResultType<()> {
         let (key, sk) = Self::get_server_sk(key);
-        let addr = format!("0.0.0.0:{}", port);
+        let addr = format!("0.0.0.0:{port}");
         let nat_port = port - 1;
         let ws_port = port + 2;
         let pm = PeerMap::new().await?;

src/utils.rs

@@ -20,7 +20,7 @@ Available Commands:
 }
 
 fn error_then_help(msg: &str) {
-    println!("ERROR: {}\n", msg);
+    println!("ERROR: {msg}\n");
     print_help();
 }
 
@@ -74,7 +74,7 @@ fn validate_keypair(pk: &str, sk: &str) -> ResultType<()> {
 
 fn doctor_tcp(address: std::net::IpAddr, port: &str, desc: &str) {
     let start = std::time::Instant::now();
-    let conn = format!("{}:{}", address, port);
+    let conn = format!("{address}:{port}");
     if let Ok(_stream) = TcpStream::connect(conn.as_str()) {
         let elapsed = std::time::Instant::now().duration_since(start);
         println!(
@@ -84,12 +84,12 @@ fn doctor_tcp(address: std::net::IpAddr, port: &str, desc: &str) {
             elapsed.as_millis()
         );
     } else {
-        println!("TCP Port {} ({}): ERROR", port, desc);
+        println!("TCP Port {port} ({desc}): ERROR");
     }
 }
 
 fn doctor_ip(server_ip_address: std::net::IpAddr, server_address: Option<&str>) {
-    println!("\nChecking IP address: {}", server_ip_address);
+    println!("\nChecking IP address: {server_ip_address}");
     println!("Is IPV4: {}", server_ip_address.is_ipv4());
     println!("Is IPV6: {}", server_ip_address.is_ipv6());
 
@@ -98,11 +98,10 @@ fn doctor_ip(server_ip_address: std::net::IpAddr, server_address: Option<&str>)
     let reverse = lookup_addr(&server_ip_address).unwrap();
     if let Some(server_address) = server_address {
         if reverse == server_address {
-            println!("Reverse DNS lookup: '{}' MATCHES server address", reverse);
+            println!("Reverse DNS lookup: '{reverse}' MATCHES server address");
         } else {
             println!(
-                "Reverse DNS lookup: '{}' DOESN'T MATCH server address '{}'",
-                reverse, server_address
+                "Reverse DNS lookup: '{reverse}' DOESN'T MATCH server address '{server_address}'"
             );
         }
     }
@@ -124,7 +123,7 @@ fn doctor(server_address_unclean: &str) {
     let server_address3 = server_address_unclean.trim();
     let server_address2 = server_address3.to_lowercase();
     let server_address = server_address2.as_str();
-    println!("Checking server:  {}\n", server_address);
+    println!("Checking server:  {server_address}\n");
     if let Ok(server_ipaddr) = server_address.parse::<IpAddr>() {
         // user requested an ip address
         doctor_ip(server_ipaddr, None);
@@ -155,7 +154,7 @@ fn main() {
             }
             let res = validate_keypair(args[2].as_str(), args[3].as_str());
             if let Err(e) = res {
-                println!("{}", e);
+                println!("{e}");
                 process::exit(0x0001);
             }
             println!("Key pair is VALID");