remove unnecessary byteorder dependency in favor of std0.3.2

3 files changed, 8 insertions, 4 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 9b5cfe5..15f903d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -685,7 +685,6 @@ dependencies = [
 name = "rsdsl_dnsd"
 version = "0.3.2"
 dependencies = [
- "byteorder",
  "bytes",
  "dns-message-parser",
  "hickory-proto",
diff --git a/Cargo.toml b/Cargo.toml
index fd8263b..016f164 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-byteorder = "1.4.3"
 bytes = "1.4.0"
 dns-message-parser = "0.7.0"
 hickory-proto = { version = "0.24.0", default-features = false }
diff --git a/src/main.rs b/src/main.rs
index 587c475..2dfadfd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,7 +7,6 @@ use std::sync::{Arc, RwLock};
 use std::thread;
 use std::time::{Duration, SystemTime};
 
-use byteorder::{ByteOrder, NetworkEndian as NE};
 use bytes::Bytes;
 use dns_message_parser::question::{QType, Question};
 use dns_message_parser::rr::{Class, A, PTR, RR};
@@ -356,7 +355,14 @@ fn is_dhcp_known(hostname: &Name, leases: Arc<RwLock<Vec<Lease>>>) -> Result<boo
 fn subnet_id(addr: &IpAddr) -> u8 {
     match addr {
         IpAddr::V4(v4) => v4.octets()[2],
-        IpAddr::V6(v6) => NE::read_u16(&v6.octets()[6..8]) as u8,
+        IpAddr::V6(v6) => {
+            u16::from_be_bytes(
+                v6.octets()[6..8]
+                    .try_into()
+                    .expect("ipv6 address is less than 8 bytes long, should be 16"),
+            ) as u8
+                * 10
+        }
     }
 }