From e08cba3799bfdf7cd2b9acede205dc90e9931b1c Mon Sep 17 00:00:00 2001
From: John Baublitz <john.m.baublitz@gmail.com>
Date: Fri, 3 Nov 2023 13:34:22 -0400
Subject: [PATCH] Fix feature flags

---
 .githooks/pre-commit       |  2 ++
 .github/workflows/main.yml |  6 ++++--
 Cargo.toml                 |  2 +-
 src/iter.rs                |  1 +
 src/socket/asynchronous.rs |  2 +-
 src/socket/shared.rs       | 17 ++++++++++++++---
 src/utils.rs               |  2 ++
 7 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/.githooks/pre-commit b/.githooks/pre-commit
index 10752c3b..f7eafe59 100755
--- a/.githooks/pre-commit
+++ b/.githooks/pre-commit
@@ -4,6 +4,8 @@ cargo fmt -- --check \
     && cargo clippy --all-targets --all-features -- -D warnings \
     && RUSTDOCFLAGS="-D warnings" cargo doc \
     && cargo build \
+    && cargo build --no-default-features \
+    && cargo build --no-default-features --features=async \
     && cargo build --all-targets --all-features \
     && cargo build --examples \
     && ./target/debug/examples/getips \
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cf112d4a..a3c492ae 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -37,7 +37,8 @@ jobs:
           - cargo fmt -- --check
           - cargo build
           - RUSTDOCFLAGS="-D warnings" cargo doc 
-          - cargo build --features=async
+          - cargo build --no-default-features
+          - cargo build --no-default-features --features=async
           - cargo build --all-features
           - cargo build --examples
           - cargo build --examples --all-features
@@ -89,7 +90,8 @@ jobs:
       matrix:
         task:
           - cargo build
-          - cargo build --features=async
+          - cargo build --no-default-features
+          - cargo build --no-default-features --features=async
           - cargo build --all-features
           - cargo build --examples
           - cargo build --examples --all-features
diff --git a/Cargo.toml b/Cargo.toml
index ea5d469d..14046f8f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,5 +52,5 @@ features = ["macros", "rt-multi-thread"]
 [features]
 default = ["sync"]
 sync = ["parking_lot"]
-async = ["tokio"]
+async = ["parking_lot", "tokio"]
 netfilter = []
diff --git a/src/iter.rs b/src/iter.rs
index 1b6c61c9..f7514b37 100644
--- a/src/iter.rs
+++ b/src/iter.rs
@@ -20,6 +20,7 @@ impl<T, P, B> NlBufferIter<T, P, B>
 where
     B: AsRef<[u8]>,
 {
+    #[cfg(any(feature = "sync", feature = "async"))]
     pub(crate) fn new(buffer: Cursor<B>) -> Self {
         NlBufferIter {
             buffer,
diff --git a/src/socket/asynchronous.rs b/src/socket/asynchronous.rs
index 0ea55b1c..a4f01b7d 100644
--- a/src/socket/asynchronous.rs
+++ b/src/socket/asynchronous.rs
@@ -23,7 +23,7 @@ use crate::{
 
 /// Tokio-enabled Netlink socket struct
 pub struct NlSocketHandle {
-    socket: AsyncFd<super::NlSocket>,
+    pub(super) socket: AsyncFd<super::NlSocket>,
     pool: BufferPool,
     pid: u32,
 }
diff --git a/src/socket/shared.rs b/src/socket/shared.rs
index 4bcef9d9..2189f97d 100644
--- a/src/socket/shared.rs
+++ b/src/socket/shared.rs
@@ -6,9 +6,12 @@ use std::{
 
 use libc::{c_int, c_void, sockaddr, sockaddr_nl};
 
+#[cfg(feature = "async")]
+use crate::socket::asynchronous;
+#[cfg(feature = "sync")]
+use crate::socket::synchronous;
 use crate::{
     consts::socket::*,
-    socket::synchronous::NlSocketHandle,
     utils::{Groups, NetlinkBitArray},
 };
 
@@ -269,12 +272,20 @@ impl NlSocket {
     }
 }
 
-impl From<NlSocketHandle> for NlSocket {
-    fn from(s: NlSocketHandle) -> Self {
+#[cfg(feature = "sync")]
+impl From<synchronous::NlSocketHandle> for NlSocket {
+    fn from(s: synchronous::NlSocketHandle) -> Self {
         s.socket
     }
 }
 
+#[cfg(feature = "async")]
+impl From<asynchronous::NlSocketHandle> for NlSocket {
+    fn from(s: asynchronous::NlSocketHandle) -> Self {
+        s.socket.into_inner()
+    }
+}
+
 impl AsRawFd for NlSocket {
     fn as_raw_fd(&self) -> RawFd {
         self.fd
diff --git a/src/utils.rs b/src/utils.rs
index 5b9396f8..2e6ce344 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -8,6 +8,7 @@
 
 use std::mem::size_of;
 
+#[cfg(any(feature = "sync", feature = "async"))]
 use crate::consts::MAX_NL_LENGTH;
 
 type BitArrayType = u32;
@@ -184,6 +185,7 @@ impl Groups {
 }
 
 /// Synchronous (blocking) utils.
+#[cfg(feature = "sync")]
 pub mod synchronous {
     use super::*;