[hackers] [slstatus] Add network speed functions || Aaron Marcher

From: <git_AT_suckless.org>
Date: Sat, 19 May 2018 00:32:03 +0200 (CEST)

commit 0d05b3d13d42f8bebc74bb5f6da7e5e10c0e9933
Author: Aaron Marcher <me_AT_drkhsh.at>
AuthorDate: Sat May 19 00:31:33 2018 +0200
Commit: Aaron Marcher <me_AT_drkhsh.at>
CommitDate: Sat May 19 00:31:33 2018 +0200

    Add network speed functions

diff --git a/Makefile b/Makefile
index b9d7695..0e925cc 100644
--- a/Makefile
+++ b/Makefile
_AT_@ -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
index ec6a5a3..c278599 100644
--- a/README
+++ b/README
_AT_@ -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
new file mode 100644
index 0000000..ef8bf93
--- /dev/null
+++ b/components/netspeeds.c
_AT_@ -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
index abe28d3..8bd8bb5 100644
--- a/slstatus.h
+++ b/slstatus.h
_AT_@ -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 *);
 
Received on Sat May 19 2018 - 00:32:03 CEST