From 9e533dcb56f3d34a85b5ba7f279c2870ebcc4034 Mon Sep 17 00:00:00 2001
From: ozpv <39195175+ozpv@users.noreply.github.com>
Date: Fri, 5 May 2023 01:30:18 +0000
Subject: init

---
 components/netspeeds.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 components/netspeeds.c

(limited to 'components/netspeeds.c')

diff --git a/components/netspeeds.c b/components/netspeeds.c
new file mode 100644
index 0000000..b61b4c9
--- /dev/null
+++ b/components/netspeeds.c
@@ -0,0 +1,74 @@
+/* See LICENSE file for copyright and license details. */
+#include <limits.h>
+#include <stdio.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#if defined(__linux__)
+	#include <stdint.h>
+
+	#define NET_RX_BYTES "/sys/class/net/%s/statistics/rx_bytes"
+
+	const char *
+	netspeed_rx(const char *interface)
+	{
+		uintmax_t oldrxbytes;
+		static uintmax_t rxbytes;
+		extern const unsigned int interval;
+		char path[PATH_MAX];
+
+		oldrxbytes = rxbytes;
+
+		if (esnprintf(path, sizeof(path), NET_RX_BYTES, interface) < 0)
+			return NULL;
+		if (pscanf(path, "%ju", &rxbytes) != 1)
+			return NULL;
+		if (oldrxbytes == 0)
+			return NULL;
+
+		return fmt_human((rxbytes - oldrxbytes) * 1000 / interval,
+		                 1024);
+	}
+
+#elif defined(__OpenBSD__) | defined(__FreeBSD__)
+	#include <ifaddrs.h>
+	#include <net/if.h>
+	#include <string.h>
+	#include <sys/types.h>
+	#include <sys/socket.h>
+
+	const char *
+	netspeed_tx(const char *interface)
+	{
+		struct ifaddrs *ifal, *ifa;
+		struct if_data *ifd;
+		uintmax_t oldtxbytes;
+		static uintmax_t txbytes;
+		extern const unsigned int interval;
+		int if_ok = 0;
+
+		oldtxbytes = txbytes;
+
+		if (getifaddrs(&ifal) < 0) {
+			warn("getifaddrs failed");
+			return NULL;
+		}
+		txbytes = 0;
+		for (ifa = ifal; ifa; ifa = ifa->ifa_next)
+			if (!strcmp(ifa->ifa_name, interface) &&
+			   (ifd = (struct if_data *)ifa->ifa_data))
+				txbytes += ifd->ifi_obytes, if_ok = 1;
+
+		freeifaddrs(ifal);
+		if (!if_ok) {
+			warn("reading 'if_data' failed");
+			return NULL;
+		}
+		if (oldtxbytes == 0)
+			return NULL;
+
+		return fmt_human((txbytes - oldtxbytes) * 1000 / interval,
+		                 1024);
+	}
+#endif
-- 
cgit v1.2.3