X-Git-Url: https://git.llucax.com/z.facultad/75.74/practicos.git/blobdiff_plain/918a7b42017533f6f18edc8735d6d82a5494f055..f48d95822c7810a45daf26854de7262ccc20a940:/practicas/pipi/src/dev.h?ds=sidebyside

diff --git a/practicas/pipi/src/dev.h b/practicas/pipi/src/dev.h
index bae7e17..f06e8b1 100644
--- a/practicas/pipi/src/dev.h
+++ b/practicas/pipi/src/dev.h
@@ -3,7 +3,6 @@
 
 #include <stdexcept>
 
-#define DEV_DEFAULT_KEY 0x1abcdef1
 #define DEV_MAX_MTU 1500
 
 /// Dispositivo de red (capa de enlace)
@@ -19,20 +18,25 @@ struct Dev
     /// MTU
     size_t mtu;
 
-    /// Identificador de la cola a usar
-    int que_id;
-
     /// Constructor
-    Dev(mac_type mac, key_t key = DEV_DEFAULT_KEY, size_t mtu = DEV_MAX_MTU)
-        throw (std::runtime_error, std::logic_error);
+    Dev(mac_type mac, size_t mtu = DEV_MAX_MTU)
+        throw (std::runtime_error, std::logic_error):
+            mac(mac), mtu(mtu)
+    {
+        if (mtu > DEV_MAX_MTU)
+            throw std::logic_error("MTU más grande que DEV_MAX_MTU");
+    }
 
     /// Envía un frame
-    void transmit(const std::string& data, const mac_type& mac)
-        throw (std::runtime_error, std::logic_error);
+    virtual void transmit(const std::string& data, const mac_type& mac)
+        throw (std::runtime_error, std::logic_error) = 0;
 
     /// Recibe un frame
-    std::string receive()
-        throw (std::runtime_error);
+    virtual std::string receive()
+        throw (std::runtime_error) = 0;
+
+    /// Destructor virtual por si las moscas
+    virtual ~Dev() {}
 
     // Nada de andar copiando placas...
     private: