1 files changed, 3 insertions, 0 deletions
diff --git a/buffer.h b/buffer.h
index 2e3a75e..fc9d78b 100644
--- a/buffer.h
+++ b/buffer.h
@@ -33,6 +33,8 @@
 
 #include "datatypes.h"
 
+#include <ostream>
+
 class TunDevice;
 class UDPPacketSource;
 
@@ -52,6 +54,7 @@ public:
   u_int8_t* getBuf();
   u_int8_t& operator[](u_int32_t index);
   u_int8_t operator[](u_int32_t index) const;
+  friend std::ostream& operator<<(std::ostream& output, const Buffer &src);
 
 protected:
   operator u_int8_t*(); // just for write/read tun and packetSource