From c16778797b2eeb118aa064aa5b483f90c3989627 Mon Sep 17 00:00:00 2001
From: Marek Kuskowski <50183564+nylonicious@users.noreply.github.com>
Date: Wed, 8 Jan 2025 21:10:42 +0100
Subject: [PATCH] Remove byteorder, use bytes::Buf::get_uint instead (#477)

* Remove byteorder, use bytes::Buf::get_uint instead

* avoid unecessary copy inside bytes::Buf::get_uint

* use assert! to verify length number
---
 Cargo.toml                  |  1 -
 src/protocol/frame/frame.rs | 17 ++++++++---------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 1fe90f09..244c1a06 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,6 @@ __rustls-tls = ["rustls", "rustls-pki-types"]
 
 [dependencies]
 data-encoding = { version = "2", optional = true }
-byteorder = "1.3.2"
 bytes = "1.9.0"
 http = { version = "1.0", optional = true }
 httparse = { version = "1.3.4", optional = true }
diff --git a/src/protocol/frame/frame.rs b/src/protocol/frame/frame.rs
index 31a4c004..baede5bf 100644
--- a/src/protocol/frame/frame.rs
+++ b/src/protocol/frame/frame.rs
@@ -1,4 +1,3 @@
-use byteorder::{NetworkEndian, ReadBytesExt};
 use log::*;
 use std::{
     default::Default,
@@ -161,14 +160,14 @@ impl FrameHeader {
             let length_byte = second & 0x7F;
             let length_length = LengthFormat::for_byte(length_byte).extra_bytes();
             if length_length > 0 {
-                match cursor.read_uint::<NetworkEndian>(length_length) {
-                    Err(ref err) if err.kind() == ErrorKind::UnexpectedEof => {
-                        return Ok(None);
-                    }
-                    Err(err) => {
-                        return Err(err.into());
-                    }
-                    Ok(read) => read,
+                const SIZE: usize = mem::size_of::<u64>();
+                assert!(length_length <= SIZE, "length exceeded size of u64");
+                let start = SIZE - length_length;
+                let mut buffer = [0; SIZE];
+                match cursor.read_exact(&mut buffer[start..]) {
+                    Err(ref err) if err.kind() == ErrorKind::UnexpectedEof => return Ok(None),
+                    Err(err) => return Err(err.into()),
+                    Ok(()) => u64::from_be_bytes(buffer),
                 }
             } else {
                 u64::from(length_byte)