Merge pull request #858 from dave-tucker/ringbuf-doctests

Fix docs build

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Check C formatting
         run: git ls-files -- '*.c' '*.h' | xargs clang-format --dry-run --Werror
-      
+
       - name: Check Markdown
         uses: DavidAnson/markdownlint-cli2-action@v14
 
@@ -111,6 +111,20 @@ jobs:
             --exclude integration-test \
             --workspace
 
+      - name: Doctests
+        env:
+          RUST_BACKTRACE: full
+        run: |
+          set -euxo pipefail
+          cargo hack test --doc --feature-powerset \
+            --exclude aya-bpf \
+            --exclude aya-bpf-bindings \
+            --exclude aya-log-ebpf \
+            --exclude init \
+            --exclude integration-ebpf \
+            --exclude integration-test \
+            --workspace
+
   build-test-aya-bpf:
     strategy:
       fail-fast: false
@@ -149,6 +163,17 @@ jobs:
             --target ${{ matrix.target }} \
             -Z build-std=core
 
+      - name: Test
+        env:
+          CARGO_CFG_BPF_TARGET_ARCH: ${{ matrix.arch }}
+          RUST_BACKTRACE: full
+        run: |
+          set -euxo pipefail
+          cargo hack test --doc \
+            --package aya-bpf \
+            --package aya-log-ebpf \
+            --feature-powerset
+
   run-integration-test:
     strategy:
       fail-fast: false

aya/src/maps/ring_buf.rs

@@ -68,15 +68,15 @@ use crate::{
 /// #     }
 /// #     fn clear_ready(&mut self) {}
 /// # }
-/// # let bpf = aya::Bpf::load(&[])?;
+/// # let mut bpf = aya::Bpf::load(&[])?;
 /// use aya::maps::RingBuf;
 /// use std::convert::TryFrom;
 ///
-/// let ring_buf = RingBuf::try_from(bpf.map_mut("ARRAY")?)?;
-/// let poll = poll_fd(ring_buf);
+/// let ring_buf = RingBuf::try_from(bpf.map_mut("ARRAY").unwrap()).unwrap();
+/// let mut poll = poll_fd(ring_buf);
 /// loop {
-///     let mut guard = poll.readable()?;
-///     let ring_buf = guard.inner_mut()
+///     let mut guard = poll.readable();
+///     let ring_buf = guard.inner_mut();
 ///     while let Some(item) = ring_buf.next() {
 ///         println!("Received: {:?}", item);
 ///     }

bpf/aya-bpf/src/maps/xdp/cpu_map.rs

@@ -25,9 +25,9 @@ use crate::{
 /// static MAP: CpuMap = CpuMap::with_max_entries(8, 0);
 ///
 /// #[xdp]
-/// fn xdp(_ctx: XdpContext) -> i32 {
+/// fn xdp(_ctx: XdpContext) -> u32 {
 ///     // Redirect to CPU 7 or drop packet if no entry found.
-///     MAP.redirect(7, xdp_action::XDP_DROP as u64)
+///     MAP.redirect(7, xdp_action::XDP_DROP as u64).unwrap_or(xdp_action::XDP_DROP)
 /// }
 /// ```
 #[repr(transparent)]

bpf/aya-bpf/src/maps/xdp/dev_map.rs

@@ -27,8 +27,8 @@ use crate::{
 /// static MAP: DevMap = DevMap::with_max_entries(1, 0);
 ///
 /// #[xdp]
-/// fn xdp(_ctx: XdpContext) -> i32 {
-///     MAP.redirect(0, xdp_action::XDP_PASS as u64)
+/// fn xdp(_ctx: XdpContext) -> u32 {
+///     MAP.redirect(0, xdp_action::XDP_PASS as u64).unwrap_or(xdp_action::XDP_DROP)
 /// }
 /// ```
 #[repr(transparent)]
@@ -100,7 +100,7 @@ impl DevMap {
     /// #[map]
     /// static MAP: DevMap = DevMap::with_max_entries(1, 0);
     ///
-    /// let target_if_index = MAP.get(0).target_if_index;
+    /// let target_if_index = MAP.get(0).unwrap().if_index;
     ///
     /// // redirect to if_index
     /// ```

bpf/aya-bpf/src/maps/xdp/dev_map_hash.rs

@@ -29,8 +29,8 @@ use crate::{
 /// static MAP: DevMapHash = DevMapHash::with_max_entries(1, 0);
 ///
 /// #[xdp]
-/// fn xdp(_ctx: XdpContext) -> i32 {
-///     MAP.redirect(42, xdp_action::XDP_PASS as u64)
+/// fn xdp(_ctx: XdpContext) -> u32 {
+///     MAP.redirect(42, xdp_action::XDP_PASS as u64).unwrap_or(xdp_action::XDP_DROP)
 /// }
 /// ```
 #[repr(transparent)]
@@ -102,7 +102,7 @@ impl DevMapHash {
     /// #[map]
     /// static MAP: DevMapHash = DevMapHash::with_max_entries(1, 0);
     ///
-    /// let target_if_index = MAP.get(42).target_if_index;
+    /// let target_if_index = MAP.get(42).unwrap().if_index;
     ///
     /// // redirect to ifindex
     /// ```

bpf/aya-bpf/src/maps/xdp/xsk_map.rs

@@ -28,9 +28,9 @@ use crate::{
 /// static SOCKS: XskMap = XskMap::with_max_entries(8, 0);
 ///
 /// #[xdp]
-/// fn xdp(ctx, XdpContext) -> i32 {
+/// fn xdp(ctx: XdpContext) -> u32 {
 ///     let queue_id = unsafe { (*ctx.ctx).rx_queue_index };
-///     MAP.redirect(queue_id, xdp_action::XDP_DROP as u64)
+///     SOCKS.redirect(queue_id, xdp_action::XDP_DROP as u64).unwrap_or(xdp_action::XDP_DROP)
 /// }
 /// ```
 ///
@@ -68,7 +68,7 @@ impl XskMap {
     /// use aya_bpf::{macros::map, maps::XskMap};
     ///
     /// #[map]
-    /// static SOCKS: XskMap::with_max_entries(8, 0);
+    /// static SOCKS: XskMap =  XskMap::with_max_entries(8, 0);
     /// ```
     pub const fn with_max_entries(max_entries: u32, flags: u32) -> XskMap {
         XskMap {
@@ -93,7 +93,7 @@ impl XskMap {
     /// use aya_bpf::{macros::map, maps::XskMap};
     ///
     /// #[map]
-    /// static SOCKS: XskMap::pinned(8, 0);
+    /// static SOCKS: XskMap = XskMap::pinned(8, 0);
     /// ```
     pub const fn pinned(max_entries: u32, flags: u32) -> XskMap {
         XskMap {
@@ -151,9 +151,9 @@ impl XskMap {
     /// static SOCKS: XskMap = XskMap::with_max_entries(8, 0);
     ///
     /// #[xdp]
-    /// fn xdp(ctx, XdpContext) -> u32 {
+    /// fn xdp(ctx: XdpContext) -> u32 {
     ///     let queue_id = unsafe { (*ctx.ctx).rx_queue_index };
-    ///     MAP.redirect(queue_id, 0).unwrap_or(xdp_action::XDP_DROP)
+    ///     SOCKS.redirect(queue_id, 0).unwrap_or(xdp_action::XDP_DROP)
     /// }
     /// ```
     #[inline(always)]