Added File Logging (#258)

src/kernel/Cargo.toml

@@ -19,6 +19,7 @@ llvm-sys = { version = "160.0.2", features = ["strict-versioning"] }
 param = { path = "../param" }
 serde = { version = "1.0", features = ["derive"] }
 serde_yaml = "0.9"
+strip-ansi-escapes = "0.1.1"
 termcolor = "1.2.0"
 thiserror = "1.0"
 

src/kernel/src/log/mod.rs

@@ -1,4 +1,8 @@
+use std::cell::RefCell;
+use std::fs::{create_dir_all, OpenOptions};
 use std::io::Write;
+use std::path::PathBuf;
+use strip_ansi_escapes::strip;
 use termcolor::{Buffer, BufferWriter, Color, ColorChoice, ColorSpec, WriteColor};
 
 /// Encapsulate the stdout.
@@ -8,15 +12,36 @@ use termcolor::{Buffer, BufferWriter, Color, ColorChoice, ColorSpec, WriteColor}
 /// the error before the info.
 pub struct Logger {
     writer: BufferWriter,
+    file: Option<RefCell<std::fs::File>>,
 }
 
 impl Logger {
     pub fn new() -> Self {
         Self {
             writer: BufferWriter::stdout(ColorChoice::Auto),
+            file: None,
         }
     }
 
+    // File logging
+    pub fn set_log_file<P: Into<PathBuf>>(&mut self, path: P) -> std::io::Result<()> {
+        let path = path.into();
+
+        if let Some(parent) = path.parent() {
+            create_dir_all(parent)?; // Create parent directories if needed
+        }
+
+        let file = OpenOptions::new()
+            .write(true)
+            .create(true)
+            .truncate(true)
+            .open(&path)?;
+
+        self.file = Some(RefCell::new(file));
+
+        Ok(())
+    }
+
     pub fn info(&self) -> Buffer {
         let mut b = self.writer.buffer();
         let mut c = ColorSpec::new();
@@ -58,6 +83,17 @@ impl Logger {
 
     pub fn write(&self, b: Buffer) {
         self.writer.print(&b).unwrap();
+
+        // Only run when File is set
+        if let Some(file) = &self.file {
+            let ansi_with = String::from_utf8_lossy(b.as_slice());
+            let ansi_without = strip(ansi_with.as_bytes()).unwrap();
+            // Mutable reference to file
+            let mut file = file.borrow_mut();
+            // File writer
+            file.write_all(&ansi_without).unwrap();
+            file.flush().unwrap(); // write immediately\
+        }
     }
 }
 

src/kernel/src/main.rs

@@ -27,7 +27,7 @@ mod sysctl;
 
 fn main() -> ExitCode {
     // Initialize logger.
-    let logger = Logger::new();
+    let mut logger = Logger::new();
 
     // Load arguments.
     let args = if std::env::args().any(|a| a == "--debug") {
@@ -60,6 +60,15 @@ fn main() -> ExitCode {
         }
     }
 
+    // Begin File logging
+    let debug_dump_dir = PathBuf::from(&args.debug_dump);
+    let log_file_path = debug_dump_dir.join("obliteration-kernel.log");
+    if let Ok(_) = logger.set_log_file(&log_file_path) {
+        info!(logger, "File Logging enabled");
+    } else {
+        warn!(logger, "Failed to set log file at: {:?}", log_file_path);
+    }
+
     // Show basic infomation.
     info!(logger, "Starting Obliteration kernel.");
     info!(logger, "System directory    : {}", args.system.display());

src/kernel/src/sysctl/mod.rs

@@ -27,7 +27,7 @@ impl<'a> Sysctl<'a> {
         &self,
         name: &[i32],
         old: Option<&mut [u8]>,
-        new: Option<&[u8]>,
+        _new: Option<&[u8]>,
     ) -> Result<usize, InvokeError> {
         // Check arguments.
         if name.len() < 2 || name.len() > 24 {

src/main.cpp

@@ -11,7 +11,7 @@
 int main(int argc, char *argv[])
 {
     // Setup application.
-    QCoreApplication::setOrganizationName("Obliteration");
+    QCoreApplication::setOrganizationName("OBHQ");
     QCoreApplication::setApplicationName("Obliteration");
 
     // Dark Mode for Windows