add group param to log expr

nftnl/src/expr/log.rs

@@ -6,26 +6,60 @@ use nftnl_sys::{
 
 /// A log expression.
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]
-pub struct Log {}
+pub enum Log {
+    NoGroup,
+    Group(LogGroup),
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
+pub enum LogGroup {
+    LogGroupZero,
+    LogGroupOne,
+    LogGroupTwo,
+    LogGroupThree,
+    LogGroupFour,
+    LogGroupFive,
+    LogGroupSix,
+    LogGroupSeven,
+}
 
 
-impl Log {}
+impl Log {
+    pub fn new() -> Self {
+        Log::NoGroup
+    }
+    pub fn new_with_group(group: LogGroup) -> Self {
+        Log::Group(group)
+    }
+}
 
 impl Expression for Log {
     fn to_expr(&self, _rule: &Rule) -> *mut sys::nftnl_expr {
         unsafe {
             let expr = try_alloc!(sys::nftnl_expr_alloc(
                 b"log\0" as *const _ as *const c_char
             ));
-
+            match self {
+                Log::NoGroup => (),
+                Log::Group(group) => {
+                    sys::nftnl_expr_set_u32(
+                        expr,
+                        sys::NFTNL_EXPR_LOG_GROUP as u16,
+                        *group as u32,
+                    );
+                }
+            }
             expr
         }
     }
 }
 
 #[macro_export]
 macro_rules! nft_expr_log {
+    (group $group:ident) => {
+        $crate::expr::Log::new_with_group($group)
+    };
     () => {
-        $crate::expr::Log {}
+        $crate::expr::Log::new()
     };
 }

nftnl/src/expr/mod.rs

@@ -74,6 +74,9 @@ macro_rules! nft_expr {
     (cmp $op:tt $data:expr) => {
         nft_expr_cmp!($op $data)
     };
+    (log group $group:ident) => {
+        nft_expr_log!(group $group)
+    };
     (log) => {
         nft_expr_log!()
     };