From 5e42c45e28ac6a678efd504acec05c6633daf49a Mon Sep 17 00:00:00 2001
From: Drath Vader <drathvader@wp.pl>
Date: Fri, 24 Oct 2025 14:04:27 +0200
Subject: [PATCH] add network monitoring

---
 include/sys.hpp |  9 ++++++++-
 src/sys.cpp     | 26 ++++++++++++++++++++++++--
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/include/sys.hpp b/include/sys.hpp
index d32f579..c93128a 100644
--- a/include/sys.hpp
+++ b/include/sys.hpp
@@ -1,6 +1,7 @@
 #ifndef SYS_HPP
 #define SYS_HPP
 
+#include <string_view>
 #include <sys/statvfs.h>
 
 #include <array>
@@ -30,12 +31,18 @@ struct TimeDate {
     char date[13];
 };
 
+struct Network {
+    uint32_t download = 0;
+    uint32_t upload = 0;
+};
+
 void getTimeDate(TimeDate* td);
 void getDisk(Memory* disk, std::string mount);
 void getRam(Memory* mem);
+void getNetwork(Network* net, std::string_view device);
 void detectHwmon(sysSensors* s, std::string platform);
 void updateSensors(sysSensors* s);
 
 }  // namespace sys
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/sys.cpp b/src/sys.cpp
index 4b110fe..ec889a1 100644
--- a/src/sys.cpp
+++ b/src/sys.cpp
@@ -1,3 +1,5 @@
+#include <chrono>
+#include <string>
 #include <sys.hpp>
 
 void sys::getTimeDate(TimeDate* td) {
@@ -22,12 +24,32 @@ void sys::getDisk(Memory* disk, std::string mount) {
     disk->total = diskData.f_blocks * diskData.f_frsize;
 }
 
+void sys::getNetwork(Network* net, std::string_view device) {
+    struct _net {
+        std::chrono::time_point<std::chrono::steady_clock> ts;
+        uint64_t rx = 0;
+        uint64_t tx = 0;
+    };
+    
+    static _net prev;
+    _net current;
+    
+    current.ts =  std::chrono::steady_clock::now();
+    current.rx = std::stoull(readFile("/sys/class/net/" + std::string(device) + "/statistics/rx_bytes", 32));
+    current.tx = std::stoull(readFile("/sys/class/net/" + std::string(device) + "/statistics/tx_bytes", 32));
+    float ts_diff = std::chrono::duration_cast<std::chrono::microseconds>(current.ts - prev.ts).count() / 1000000.0f;
+    net->download = (current.rx - prev.rx) / ts_diff;
+    net->upload = (current.tx - prev.tx) / ts_diff;
+    prev = current;
+}
+
+
 void sys::detectHwmon(sysSensors* s, std::string platform) {
-    s->hwmon = getFirstDir("/sys/devices/platform/" + platform + "/hwmon"); // we hardcode the chip path, should be sane
+    s->hwmon = getFirstDir("/sys/devices/platform/" + platform + "/hwmon");
 }
 
 void sys::updateSensors(sysSensors* s) {
     s->fan_speed[0] = std::stol(readFile(s->hwmon + "/fan2_input", 4));
     s->fan_speed[1] = std::stol(readFile(s->hwmon + "/fan7_input", 4));;
     s->t_sensor = std::stol(readFile(s->hwmon + "/temp5_input", 2));
-}
\ No newline at end of file
+}