commit 0d05b3d13d42f8bebc74bb5f6da7e5e10c0e9933
parent d0c68989cd9f42f2b79da3a2ebe9d4765b28bfc1
Author: Aaron Marcher <[email protected]>
Date: Sat, 19 May 2018 00:31:33 +0200
Add network speed functions
Diffstat:
4 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -16,6 +16,7 @@ COM =\
components/kernel_release\
components/keyboard_indicators\
components/load_avg\
+ components/netspeeds\
components/num_files\
components/ram\
components/run_command\
diff --git a/README b/README
@@ -19,6 +19,7 @@ Features
- Kernel version
- Keyboard indicators
- Load average
+- Network speeds (RX and TX)
- Number of files in a directory (hint: Maildir)
- Memory status (free memory, percentage, total memory and used memory)
- Swap status (free swap, percentage, total swap and used swap)
diff --git a/components/netspeeds.c b/components/netspeeds.c
@@ -0,0 +1,53 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <limits.h>
+
+#include "../util.h"
+
+#if defined(__linux__)
+ const char *
+ netspeed_rx(const char *interface)
+ {
+ static int valid;
+ static unsigned long long rxbytes;
+ unsigned long oldrxbytes;
+ extern const unsigned int interval;
+ char path[PATH_MAX];
+
+ oldrxbytes = rxbytes;
+ snprintf(path, sizeof(path), "/sys/class/net/%s/statistics/rx_bytes", interface);
+ if (pscanf(path, "%llu", &rxbytes) != 1) {
+ return NULL;
+ }
+ if (!valid) {
+ valid = 1;
+ return NULL;
+ }
+
+ return fmt_scaled((rxbytes - oldrxbytes) / interval * 1000);
+ }
+
+ const char *
+ netspeed_tx(const char *interface)
+ {
+ static int valid;
+ static unsigned long long txbytes;
+ unsigned long oldtxbytes;
+ extern const unsigned int interval;
+ char path[PATH_MAX];
+
+ oldtxbytes = txbytes;
+ snprintf(path, sizeof(path), "/sys/class/net/%s/statistics/tx_bytes", interface);
+ if (pscanf(path, "%llu", &txbytes) != 1) {
+ return NULL;
+ }
+ if (!valid) {
+ valid = 1;
+ return NULL;
+ }
+
+ return fmt_scaled((txbytes - oldtxbytes) / interval * 1000);
+ }
+#elif defined(__OpenBSD__)
+ /* unimplemented */
+#endif
diff --git a/slstatus.h b/slstatus.h
@@ -37,6 +37,10 @@ const char *keyboard_indicators(void);
/* load_avg */
const char *load_avg(const char *);
+/* netspeeds */
+const char *netspeed_rx(const char *);
+const char *netspeed_tx(const char *);
+
/* num_files */
const char *num_files(const char *);
