Starting over

lib/BUILD

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+cc_library(
+  name = "tun_tap_device_lib",
+  hdrs = [
+    "tun_tap_device.h",
+  ],
+  srcs = [
+    "tun_tap_device.cc",
+  ],
+)

lib/tun_tap_device.cc

@@ -0,0 +1 @@
+#include "lib/tun_tap_device.h"

lib/tun_tap_device.h

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+#include <string>
+
+#include <linux/if_tun.h>
+
+class TapTunDevice {
+ public:
+  static const auto kTunFormat = IFF_TUN;
+  static const auto kTapFormat = IFF_TAP;
+  static const auto kNoPacketInfo = IFF_NO_PI;
+
+	TapTunDevice(const std::string& name, uint64_t flags);
+	TapTunDevice(uint64_t flags);
+
+  const std::string& Name() {
+    return name_;
+  }
+
+ private:
+  std::string name_;
+};
+