overloaded std::ostream& operator<< for Buffer

2 files changed, 17 insertions, 0 deletions

diff --git a/buffer.cpp b/buffer.cpp
index 1b194bd..808f639 100644
--- a/buffer.cpp
+++ b/buffer.cpp
@@ -30,6 +30,8 @@
 
 #include <stdexcept>
 #include <string>
+#include <iostream>
+#include <cstdio>
 
 #include "datatypes.h"
 #include "buffer.h"
@@ -163,3 +165,15 @@ Buffer::operator u_int8_t*() // just for write/read tun
   return buf_;
 }
 
+std::ostream& operator<<(std::ostream& output, const Buffer &src)
+{
+  char buf[10];
+
+  for( u_int32_t index = 0; index < src.getLength(); index++ )
+  {
+    std::sprintf(buf, "%#x", src[index]);
+    output << buf << " ";
+  }
+  
+  return output;
+}
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