Add inline markers; simplify ip address conversion in request_from_bytes

aquatic/src/lib/common.rs

@@ -36,6 +36,7 @@ impl PeerStatus {
     /// Determine peer status from announce event and number of bytes left.
     /// 
     /// Likely, the last branch will be taken most of the time.
+    #[inline]
     pub fn from_event_and_bytes_left(
         event:      AnnounceEvent,
         bytes_left: NumberOfBytes
@@ -62,12 +63,14 @@ pub struct Peer {
 
 
 impl Peer {
+    #[inline(always)]
     pub fn to_response_peer(&self) -> ResponsePeer {
         ResponsePeer {
             ip_address: self.ip_address,
             port: self.port
         }
     }
+    #[inline]
     pub fn from_announce_and_ip(
         announce_request: &AnnounceRequest,
         ip_address: IpAddr

aquatic/src/lib/handlers.rs

@@ -214,6 +214,7 @@ pub fn extract_response_peers(
 }
 
 
+#[inline(always)]
 pub fn create_torrent_scrape_statistics(
     seeders: i32,
     leechers: i32

aquatic_bench/src/bin/bench_handlers/main.rs

@@ -4,9 +4,9 @@
 //! ```
 //! ## Average results over 50 rounds
 //! 
-//! Connect handler:   2 514 978 requests/second,   397.87 ns/request
-//! Announce handler:    246 744 requests/second,  4054.58 ns/request
-//! Scrape handler:      499 385 requests/second,  2007.23 ns/request
+//! Connect handler:   2 519 969 requests/second,   397.36 ns/request
+//! Announce handler:    270 880 requests/second,  3691.91 ns/request
+//! Scrape handler:      510 028 requests/second,  1961.18 ns/request
 //! ```
 
 use std::time::{Duration, Instant};

bittorrent_udp/src/converters/common.rs

@@ -1,6 +1,7 @@
 use crate::types;
 
 
+#[inline]
 pub fn event_from_i32(i: i32) -> types::AnnounceEvent {
     match i {
         1 => types::AnnounceEvent::Completed,
@@ -11,6 +12,7 @@ pub fn event_from_i32(i: i32) -> types::AnnounceEvent {
 }
 
 
+#[inline]
 pub fn event_to_i32(event: types::AnnounceEvent) -> i32 {
     match event {
         types::AnnounceEvent::None => 0,

bittorrent_udp/src/converters/requests.rs

@@ -12,6 +12,7 @@ use super::common::*;
 const MAGIC_NUMBER: i64 = 4_497_486_125_440;
 
 
+#[inline]
 pub fn request_to_bytes(
     bytes: &mut impl Write,
     request: types::Request
@@ -60,6 +61,7 @@ pub fn request_to_bytes(
 }
 
 
+#[inline]
 pub fn request_from_bytes(
     bytes: &[u8],
     max_scrape_torrents: u8,
@@ -110,9 +112,8 @@ pub fn request_from_bytes(
 
             let opt_ip = if ip == [0; 4] {
                 None
-            }
-            else {
-                Some(Ipv4Addr::new(ip[0], ip[1], ip[2], ip[3]))
+            } else {
+                Some(Ipv4Addr::from(ip))
             };
 
             Ok(types::Request::Announce(types::AnnounceRequest {

bittorrent_udp/src/converters/responses.rs

@@ -7,6 +7,7 @@ use std::net::{IpAddr, Ipv6Addr, Ipv4Addr};
 use crate::types;
 
 
+#[inline]
 pub fn response_to_bytes(
     bytes: &mut impl Write,
     response: types::Response,
@@ -78,6 +79,7 @@ pub fn response_to_bytes(
 }
 
 
+#[inline]
 pub fn response_from_bytes(
     bytes: &[u8],
     ip_version: types::IpVersion,