rust implementation, fast enough it looks

src/lib.rs

@@ -89,7 +89,7 @@ impl PacketsIterator {
 pub struct Header {
     c1: u32,
     c2: u16,
-    part: u16,
+    pub part: u16,
     a: u16,
     ffaa: u16,
     b: u16,
@@ -98,7 +98,7 @@ pub struct Header {
 }
 
 impl Header {
-    fn read(data: &[u8]) -> anyhow::Result<Self> {
+    pub fn read(data: &[u8]) -> anyhow::Result<Self> {
         Ok(Header {
             c1: u32::from_be_bytes([data[0], data[1], data[2], data[3]]),
             c2: u16::from_be_bytes([data[4], data[5]]),
@@ -122,12 +122,12 @@ impl Header {
     }
 }
 
-const HDR_SIZE: usize = std::mem::size_of::<Header>();
+pub const HDR_SIZE: usize = std::mem::size_of::<Header>();
 
 pub struct Frame {
     #[allow(dead_code)]
-    header: Header,
-    raw: Vec<u8>,
+    pub header: Header,
+    pub raw: Vec<u8>,
 }
 
 impl Frame {
@@ -184,7 +184,7 @@ impl Iterator for Decoder {
     }
 }
 
-fn write_raw_frame(name: &str, data: &[u8]) -> anyhow::Result<()> {
+pub fn write_raw_frame(name: &str, data: &[u8]) -> anyhow::Result<()> {
     let path = Path::new(&name);
     let file = File::create(path)?;
     let ref mut w = BufWriter::new(file);