Receiver function for Go-Back-N Algorithm

Author: jElhamm

Go-Back-N/GoBackN.cpp

@@ -44,4 +44,22 @@ void GoBackN::sender() {
 
  cout << "*** Sender: All frames sent successfully ***\n";
 }
- 
+
+// Receiver function for Go-Back-N algorithm
+void GoBackN::receiver() {
+ while (frame_expected < MAX_SEQUENCE_NUM) {
+ cout << "Waiting for frame " << frame_expected << "...\n";
+
+ bool frame_arrives = rand() % 2;
+
+ if (frame_arrives) {
+ cout << "Frame " << frame_expected << " received\n";
+ cout << "Sending acknowledgment: " << frame_expected << endl;
+ frame_expected++;
+ } else {
+ cout << "*** Timeout occurred, requesting retransmission ***\n";
+ }
+ }
+
+ cout << "*** Receiver: All frames received successfully ***\n";
+}

Go-Back-N/GoBackN.h

@@ -16,6 +16,7 @@ class GoBackN {
 public:
  GoBackN(int window_size);
  void sender();
+ void receiver();
 };
 
 #endif