Add src files

eng/build-native.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+BINDINGS_DIR="$ROOT_DIR/src/LibNftables.Bindings"
+WRAP_FILE="$BINDINGS_DIR/Generated/libnftables_wrap.c"
+OUT_DIR="$BINDINGS_DIR/runtimes/linux-x64/native"
+OUT_FILE="$OUT_DIR/libLibNftablesBindings.so"
+
+if [[ ! -f "$WRAP_FILE" ]]; then
+  echo "Missing SWIG wrapper: $WRAP_FILE" >&2
+  echo "Run ./eng/regen-bindings.sh first." >&2
+  exit 1
+fi
+
+mkdir -p "$OUT_DIR"
+
+CFLAGS="$(pkg-config --cflags libnftables 2>/dev/null || true)"
+LIBS="$(pkg-config --libs libnftables 2>/dev/null || echo '-lnftables')"
+
+gcc -fPIC -shared -O2 \
+  $CFLAGS \
+  -I/usr/include \
+  "$WRAP_FILE" \
+  -o "$OUT_FILE" \
+  $LIBS
+
+echo "Built native wrapper: $OUT_FILE"

eng/regen-bindings.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+BINDINGS_DIR="$ROOT_DIR/src/LibNftables.Bindings"
+SWIG_FILE="$BINDINGS_DIR/swig/libnftables.i"
+OUT_DIR="$BINDINGS_DIR/Generated"
+
+mkdir -p "$OUT_DIR"
+rm -f "$OUT_DIR"/*.cs "$OUT_DIR"/*_wrap.c
+
+swig \
+  -csharp \
+  -I/usr/include \
+  -I/usr/local/include \
+  -namespace LibNftables.Bindings.Native \
+  -dllimport LibNftablesBindings \
+  -outdir "$OUT_DIR" \
+  -o "$OUT_DIR/libnftables_wrap.c" \
+  "$SWIG_FILE"
+
+echo "Generated SWIG bindings in $OUT_DIR"