sppu-te-comp-content/ComputerNetworksAndSecurity
sppu-te-comp-content/ComputerNetworksAndSecurity
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simulating received frames and added user inputs

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This commit is contained in:
K 2024-09-25 22:28:10 +05:30
parent 14d91d3406
commit fc0dba3552
Signed by: notkshitij
GPG Key ID: C5B8BC7530F8F43F
1 changed files with 37 additions and 22 deletions
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59
Codes/sliding-window.cpp
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@ -4,25 +4,30 @@
using namespace std; using namespace std;
const int WINDOW_SIZE = 5; // size of the sliding window
class SlidingWindow { class SlidingWindow {
private: private:
int window_size;
int total_frames;
vector<int> sent_frames; // queue of sent frames vector<int> sent_frames; // queue of sent frames
int next_frame_to_send; // index of the next frame to send int next_frame_to_send; // index of the next frame to send
int next_frame_to_receive; // index of the next frame to receive int next_frame_to_receive; // index of the next frame to receive
public: public:
SlidingWindow() : next_frame_to_send(0), next_frame_to_receive(0) {} SlidingWindow(int window_size, int total_frames) {
this->window_size = window_size;
this->total_frames = total_frames;
this->next_frame_to_send = 0;
this->next_frame_to_receive = 0;
}
// send a frame // send a frame
void send_frame(int frame_number) { void send_frame() {
if (sent_frames.size() < WINDOW_SIZE) { if (sent_frames.size() < window_size && next_frame_to_send < total_frames) {
sent_frames.push_back(frame_number); sent_frames.push_back(next_frame_to_send);
next_frame_to_send++; next_frame_to_send++;
cout << "Sent frame " << frame_number << endl; cout << "Sent frame " << sent_frames.back() << endl;
} else { } else {
cout << "Window is full, cannot send frame " << frame_number << endl; cout << "Window is full. Waiting before sending next frames." << endl;
} }
} }
@ -40,25 +45,35 @@ public:
sent_frames.erase(sent_frames.begin()); sent_frames.erase(sent_frames.begin());
} }
} }
bool all_frames_sent() {
return next_frame_to_send == total_frames;
}
bool all_frames_received() {
return next_frame_to_receive == total_frames;
}
}; };
int main() { int main() {
SlidingWindow window; int window_size, total_frames;
cout << "Enter the window size:\t";
cin >> window_size;
cout << "Enter the total number of frames:\t";
cin >> total_frames;
// send some frames SlidingWindow window(window_size, total_frames);
window.send_frame(0);
window.send_frame(1);
window.send_frame(2);
window.send_frame(3);
window.send_frame(4);
window.send_frame(5);
// receive some frames while (!window.all_frames_sent() || !window.all_frames_received()) {
window.receive_frame(0); window.send_frame();
window.receive_frame(1);
window.receive_frame(2); // simulate receiving frames
window.receive_frame(3); for (int i = 0; i < rand() % 3; i++) {
window.receive_frame(4); int frame_number = rand() % total_frames;
window.receive_frame(frame_number);
}
}
cout << "All frames sent and received successfully!" << endl;
return 0; return 0;
} }