initalize

2025-07-16 15:00:51 +02:00
commit 8d16baf6f1
40 changed files with 2353 additions and 0 deletions
--- a/sketchybar/bridge/network_load/network_load.h
+++ b/sketchybar/bridge/network_load/network_load.h
@@ -0,0 +1,93 @@
+#include <math.h>
+#include <net/if.h>
+#include <net/if_mib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/sysctl.h>
+
+static char unit_str[3][6] = {
+    {" Bps"},
+    {"KBps"},
+    {"MBps"},
+};
+
+enum unit { UNIT_BPS, UNIT_KBPS, UNIT_MBPS };
+struct network {
+  uint32_t row;
+  struct ifmibdata data;
+  struct timeval tv_nm1, tv_n, tv_delta;
+
+  int up;
+  int down;
+  enum unit up_unit, down_unit;
+};
+
+static inline void ifdata(uint32_t net_row, struct ifmibdata *data) {
+  static size_t size = sizeof(struct ifmibdata);
+  static int32_t data_option[] = {CTL_NET,      PF_LINK, NETLINK_GENERIC,
+                                  IFMIB_IFDATA, 0,       IFDATA_GENERAL};
+  data_option[4] = net_row;
+  sysctl(data_option, 6, data, &size, NULL, 0);
+}
+
+static inline void network_init(struct network *net, char *ifname) {
+  memset(net, 0, sizeof(struct network));
+
+  static int count_option[] = {CTL_NET, PF_LINK, NETLINK_GENERIC, IFMIB_SYSTEM,
+                               IFMIB_IFCOUNT};
+  uint32_t interface_count = 0;
+  size_t size = sizeof(uint32_t);
+  sysctl(count_option, 5, &interface_count, &size, NULL, 0);
+
+  for (int i = 0; i < interface_count; i++) {
+    ifdata(i, &net->data);
+    if (strcmp(net->data.ifmd_name, ifname) == 0) {
+      net->row = i;
+      break;
+    }
+  }
+}
+
+static inline void network_update(struct network *net) {
+  gettimeofday(&net->tv_n, NULL);
+  timersub(&net->tv_n, &net->tv_nm1, &net->tv_delta);
+  net->tv_nm1 = net->tv_n;
+
+  uint64_t ibytes_nm1 = net->data.ifmd_data.ifi_ibytes;
+  uint64_t obytes_nm1 = net->data.ifmd_data.ifi_obytes;
+  ifdata(net->row, &net->data);
+
+  double time_scale = (net->tv_delta.tv_sec + 1e-6 * net->tv_delta.tv_usec);
+  if (time_scale < 1e-6 || time_scale > 1e2)
+    return;
+  double delta_ibytes =
+      (double)(net->data.ifmd_data.ifi_ibytes - ibytes_nm1) / time_scale;
+  double delta_obytes =
+      (double)(net->data.ifmd_data.ifi_obytes - obytes_nm1) / time_scale;
+
+  double exponent_ibytes = log10(delta_ibytes);
+  double exponent_obytes = log10(delta_obytes);
+
+  if (exponent_ibytes < 3) {
+    net->down_unit = UNIT_BPS;
+    net->down = delta_ibytes;
+  } else if (exponent_ibytes < 6) {
+    net->down_unit = UNIT_KBPS;
+    net->down = delta_ibytes / 1000.0;
+  } else if (exponent_ibytes < 9) {
+    net->down_unit = UNIT_MBPS;
+    net->down = delta_ibytes / 1000000.0;
+  }
+
+  if (exponent_obytes < 3) {
+    net->up_unit = UNIT_BPS;
+    net->up = delta_obytes;
+  } else if (exponent_obytes < 6) {
+    net->up_unit = UNIT_KBPS;
+    net->up = delta_obytes / 1000.0;
+  } else if (exponent_obytes < 9) {
+    net->up_unit = UNIT_MBPS;
+    net->up = delta_obytes / 1000000.0;
+  }
+}