Update code with for loop

Signed-off-by: Bernardo Carvalho <bernardo.carvalho@tecnico.ulisboa.pt>

DataSources/PSUCommunicator/testSerial/sniffer.cpp

@@ -0,0 +1,50 @@
+#include <csignal>
+#include <cstdlib>
+#include <fcntl.h>
+#include <fstream>
+#include <iostream>
+#include <termios.h>
+#include <unistd.h>
+
+#include "UartLib.hpp"
+
+// #include <pthread.h>
+#include <thread>
+
+bool run;
+void repeatData(int sourceFd, int destFd, const std::string filename) {
+  char buffer[8];
+  std::ofstream outfile(filename); // Open file for writing
+  while (run) {
+    int bytesRead = read(sourceFd, buffer, sizeof(buffer));
+    if (bytesRead > 0) {
+      write(destFd, buffer, bytesRead);
+      outfile.write(buffer, bytesRead); // Write to file
+    }
+  }
+  outfile.close();
+}
+
+void signalHandler(int signum) {
+  std::cout << "Caught signal: " << signum << std::endl;
+  run = false;
+  // exit(signum);
+}
+
+int main() {
+  int fdMarte1 = openSerialPort("/dev/ttyS1");
+  configureSerialPort(fdMarte1, B921600);
+  int fdPSU = openSerialPort("/dev/ttyS2");
+  configureSerialPort(fdPSU, B921600);
+  run = true;
+  signal(SIGINT, signalHandler);
+
+  std::thread t1(repeatData, fdMarte1, fdPSU, "outS1.txt");
+  std::thread t2(repeatData, fdMarte1, fdPSU, "outS2.txt");
+
+  t1.join();
+  t2.join();
+  // pthread_join(thread1, nullptr);
+  // pthread_join(thread2, nullptr);
+  return 0;
+}