Added concat operator to Packet and an overload that takes a PDU*.

include/packet.h

@@ -130,8 +130,19 @@ public:
      * 
      * The PDU* is cloned using PDU::clone.
      */
-    Packet(PDU *apdu, const Timestamp &tstamp) 
-    : pdu_(apdu->clone()), ts(tstamp) {}
+    Packet(const PDU *apdu, const Timestamp &tstamp) 
+    : pdu_(apdu->clone()), ts(tstamp) { }
+    
+    /**
+     * \brief Constructs a Packet from a const PDU&.
+     * 
+     * The timestamp will be set to the current time.
+     * 
+     * This calls PDU::clone on the PDU parameter.
+     * 
+     */
+    Packet(const PDU &rhs) 
+    : pdu_(rhs.clone()), ts(Timestamp::current_time()) { }
     
     /**
      * \brief Constructs a Packet from a RefPacket.
@@ -248,6 +259,19 @@ public:
     operator bool() const {
         return bool(pdu_);
     }
+    
+    /**
+     * 
+     * \brief Concatenation operator.
+     * 
+     * Adds the PDU at the end of the PDU stack. 
+     * 
+     * \param rhs The PDU to be appended.
+     */
+    Packet &operator/=(const PDU &rhs) {
+        pdu_ /= rhs;
+        return *this;
+    }
 private:
     PDU *pdu_;
     Timestamp ts;

include/pdu.h

@@ -362,6 +362,17 @@ namespace Tins {
         lop /= rop;
         return lop;
     }
+    
+    /**
+     * \brief Concatenation operator on PDU pointers.
+     * 
+     * \sa operator/=
+     */
+    template<typename T>
+    T *operator/= (T* lop, const PDU &rop) {
+        *lop /= rop;
+        return lop;
+    }
 };
 
 #endif // TINS_PDU_H

include/timestamp.h

@@ -55,6 +55,20 @@ public:
         typedef suseconds_t microseconds_type;
     #endif
     
+    /**
+     * \brief Constructs a Timestamp which will hold the current time.
+     */
+    static Timestamp current_time() {
+        #ifdef WIN32
+            //fixme
+            return Timestamp();
+        #else
+            timeval tv;
+            gettimeofday(&tv, 0);
+            return tv;
+        #endif
+    }
+    
     /**
      * Default constructs the timestamp.
      */