Add bdt-tool to make ping and nc easier to use

src/Cargo.toml

@@ -54,6 +54,7 @@ members = [
     "./tools/cyfs-check",
     "./tools/sn-updater",
     "./tools/cyfs-backup-tool",
+    "./tools/bdt-tool",
 
     "./meta/browser-meta-spv",
     "./meta/cyfs-meta",

src/component/cyfs-bdt/src/debug/command.rs

@@ -8,20 +8,9 @@ use cyfs_base::*;
 use crate::stack::Stack;
 
 pub fn debug_command_line() -> clap::App<'static, 'static> {
-    App::new("bdt-debug")
-        .about("bdt stack debug")
-        .arg(Arg::with_name("host")
-        .short("h")
-        .long("host")
-        .value_name("host")
-        .help("connect remote host")
-        .default_value("127.0.0.1"))
-        .arg(Arg::with_name("port")
-        .short("p")
-        .long("port")
-        .value_name("port")
-        .help("local server port")
-        .default_value("12345"))
+    App::new("bdt-debug").about("bdt stack debug")
+        .arg(Arg::with_name("host").short("h").long("host").value_name("host").help("connect remote host").default_value("127.0.0.1"))
+        .arg(Arg::with_name("port").short("p").long("port").value_name("port").help("local server port").default_value("12345"))
         .subcommand(SubCommand::with_name("test"))
         .subcommand(SubCommand::with_name("ping")
             .arg(Arg::with_name("remote").required(true))

src/component/cyfs-bdt/src/debug/mod.rs

@@ -4,4 +4,4 @@ mod ping;
 
 pub use command::{debug_command_line, DebugCommand};
 pub use stub::{DebugStub, Config};
-pub use ping::PingStub;
+pub use ping::{PingStub, Pinger};

src/component/cyfs-bdt/src/debug/ping.rs

@@ -17,6 +17,7 @@ use async_std::{
     future, 
 };
 use std::time::Duration;
+use std::io::ErrorKind;
 
 struct PingStubImpl {
     stack: WeakStack,
@@ -94,12 +95,18 @@ impl Pinger {
         let ts = cyfs_base::bucky_time_now();
         options.sequence = Some(TempSeq::from(ts as u32));
 
-        if let Err(err)  = self.0.datagram_tunnel.send_to(
+        if let Err(err) = self.0.datagram_tunnel.send_to(
             buf, 
             &mut options, 
             &remote.desc().device_id(), 
             datagram::ReservedVPort::Debug.into()) {
-            return Err(BuckyError::new(BuckyErrorCode::CodeError, format!("ping remote={:?} send err={:?}", remote, err)))
+            match err.kind() {
+                ErrorKind::NotConnected => {
+                },
+                _ => {
+                    return Err(BuckyError::new(BuckyErrorCode::CodeError, format!("ping remote={:?} send err={:?}", remote, err)));
+                }
+            }
         }
 
          match future::timeout(timeout, self.0.datagram_tunnel.recv_v()).await {

src/component/cyfs-bdt/src/debug/stub.rs

@@ -2,7 +2,7 @@ use std::{
     net::{IpAddr, Ipv4Addr, SocketAddr, Shutdown},
     path::Path, 
     str::FromStr, 
-    time::{Duration, Instant}
+    time::{Duration, Instant},
 };
 use async_std::{
     sync::Arc, 

src/tools/bdt-tool/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "bdt-tool"
+version = "0.1.0"
+edition = "2021"
+license = "BSD-2-Clause"
+description = "Rust bdt-tool package"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+cyfs-debug = { path = "../../component/cyfs-debug" }
+cyfs-base = { path = "../../component/cyfs-base" }
+cyfs-bdt = { path = "../../component/cyfs-bdt" }
+cyfs-util = { path = '../../component/cyfs-util', version = '0.6' }
+async-std = { version = "1.11", features = ["unstable", "attributes"] }
+clap = "2.34.0"
+log = "0.4"
+md5 = "0.7.0"