Outsourced command execution to service

src/ShellService.cpp

@@ -0,0 +1,22 @@
+#include "../include/ShellService.h"
+
+std::string ShellService::exec(const std::string& command) {
+  char buffer[128];
+  std::string result = "";
+
+  FILE* pipe = popen(command.c_str(), "r");
+  if (!pipe) {
+	return "popen failed";
+  }
+
+  while (fgets(buffer, sizeof(buffer), pipe) != NULL) {
+	result += buffer;
+  }
+
+  int status = pclose(pipe);
+  if (status == -1) {
+	return "Error closing pipe";
+  }
+
+  return result;
+};