make sys sensor reading more robust

src/sys.cpp

@@ -2,6 +2,7 @@
 
 #include <chrono>
 #include <format>
+#include <log.hpp>
 #include <string>
 #include <sys.hpp>
 #include <utils.hpp>
@@ -51,10 +52,18 @@ void sys::getNetwork(Network* net, const std::string& device) {
 }
 
 void sys::detectHwmon(sysSensors* s, const std::string& platform) {
-    s->hwmon = getFirstDir("/sys/devices/platform/" + platform + "/hwmon");
+    // we dont really need getFirstDir since its a static folder, but its useful for try/catch
+    try {
+        s->hwmon = getFirstDir("/sys/devices/platform/" + platform + "/hwmon");
+    } catch (...) {
+        log(LOG::ERR, "sys::detectHwmon", "Can't open sys hwmon. Module loaded? Kernel params added?");
+        return;
+    }
 }
 
 void sys::updateSensors(sysSensors* s) {
+    if(s->hwmon.length() < 1)
+        return;
     static char buf[8];
     fastReadNum(s->hwmon + "/fan2_input", s->fan_speed[0]);
     fastReadNum(s->hwmon + "/fan7_input", s->fan_speed[1]);