Add basic sender function for sending data in frames in communication system

Author: jElhamm

Stop-and-Wait Protocol (Noisy Channel)/Sender.c

@@ -0,0 +1,44 @@
+// This code snippet implements a basic sender function for a communication system that sends data in frames. 
+
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "Frame.h"
+
+
+// Determine if the frame is corrupted based on the error probability
+bool isCorrupted(double errorProb) {
+ return ((double) rand() / RAND_MAX) < errorProb;
+}
+
+// Function to send a frame over a noisy channel
+void sendFrame(Frame frame, double errorProb) {
+ printf("Sending Frame with SeqNum: %d\n", frame.seqNum);
+ 
+ if (isCorrupted(errorProb)) {
+ printf("Frame with SeqNum: %d got corrupted\n", frame.seqNum);
+ } else {
+ printf("Frame with SeqNum: %d successfully received\n", frame.seqNum);
+ }
+}
+
+void sender(char message[], int messageSize, double errorProb) {
+ int nextSeqNum = 0;
+ Frame sendingFrame;
+ for (int i = 0; i < messageSize; i += FRAME_SIZE) {
+ strncpy(sendingFrame.data, message + i, FRAME_SIZE); // Copy a portion of the message to the frame's data field
+ sendingFrame.seqNum = nextSeqNum; // Assign the sequence number to the frame
+ sendFrame(sendingFrame, errorProb); // Call the sendFrame function to send the frame
+ nextSeqNum = nextSeqNum == 0 ? 1 : 0; // Update the next sequence number
+ }
+}
+
+
+
+
+/**
+ * The 'sender' function takes a message, breaks it into frames, assigns sequence numbers to each frame,
+ * and 'sends' these frames using the sendFrame function. The sender alternates between sequence numbers 0 and 1 for each frame.
+**/