add ports

netsim/src/Device.cpp

@@ -3,7 +3,10 @@
 #include <sstream>
 #include <iostream>
 
+#include "Port.hpp"
+
 Device::Device(const std::string& macAddress) {
+    port = std::make_shared<Port>();
     parseAndSetMac(macAddress);
 }
 

netsim/src/Port.cpp

@@ -0,0 +1,23 @@
+#include "Port.hpp"
+
+Port::Port()
+{
+   
+}
+
+void Port::Connect(std::shared_ptr<Port> port) {
+    this->connection = std::weak_ptr<Port>(port);
+}
+
+void Port::Send(const std::vector<uint8_t>& data) {
+    this->data = data;
+}
+
+std::vector<uint8_t> Port::Receive() {
+    if (this->connection.expired()) {
+        return {};
+    }
+
+    std::shared_ptr<Port> other_port = connection.lock();
+    return other_port->data;
+}