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