1 files changed, 330 insertions, 0 deletions
diff --git a/netspeed/src/backend.c b/netspeed/src/backend.c
new file mode 100644
index 00000000..17bbef24
--- /dev/null
+++ b/netspeed/src/backend.c
@@ -0,0 +1,330 @@
+/*  backend.c
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  Netspeed Applet was writen by Jörgen Scheibengruber <[email protected]>
+ *
+ *  Mate Netspeed Applet migrated by Stefano Karapetsas <[email protected]>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(sun) && defined(__SVR4)
+#include <sys/sockio.h>
+#endif
+
+#include <glibtop/netlist.h>
+#include <glibtop/netload.h>
+
+#ifdef HAVE_IW
+ #include <iwlib.h>
+#endif /* HAVE_IW */
+
+#include "backend.h"
+
+gboolean
+is_dummy_device(const char* device)
+{
+	glibtop_netload netload;
+	glibtop_get_netload(&netload, device);
+
+	if (netload.if_flags & (1 << GLIBTOP_IF_FLAGS_LOOPBACK))
+		return TRUE;
+
+	/* Skip interfaces without any IPv4/IPv6 address (or
+	   those with only a LINK ipv6 addr) However we need to
+	   be able to exclude these while still keeping the
+	   value so when they get online (with NetworkManager
+	   for example) we don't get a suddent peak.  Once we're
+	   able to get this, ignoring down interfaces will be
+	   possible too.  */
+	if (!(netload.flags & (1 << GLIBTOP_NETLOAD_ADDRESS6)
+	      && netload.scope6 != GLIBTOP_IF_IN6_SCOPE_LINK)
+	    && !(netload.flags & (1 << GLIBTOP_NETLOAD_ADDRESS)))
+		return TRUE;
+
+	return FALSE;
+}
+
+
+/* Check for all available devices. This really should be
+ * portable for at least all plattforms using the gnu c lib
+ * TODO: drop it, use glibtop_get_netlist directly / gchar**
+ */
+GList*
+get_available_devices(void)
+{
+	glibtop_netlist buf;
+	char **devices, **dev;
+	GList *device_glist = NULL;
+
+	devices = glibtop_get_netlist(&buf);
+
+	for(dev = devices; *dev; ++dev) {
+		device_glist = g_list_prepend(device_glist, g_strdup(*dev));
+	}
+
+	g_strfreev(devices);
+
+	return device_glist;
+}
+
+const gchar*
+get_default_route(void)
+{
+	FILE *fp;
+	static char device[50];
+
+	fp = fopen("/proc/net/route", "r");
+
+	if (fp == NULL) return NULL;
+
+	while (!feof(fp)) {
+		char buffer[1024];
+		unsigned int ip, gw, flags, ref, use, metric, mask, mtu, window, irtt;
+		int retval;
+		char *rv;
+
+		rv = fgets(buffer, 1024, fp);
+		if (!rv) {
+			break;
+		}
+
+		retval = sscanf(buffer, "%49s %x %x %x %u %u %u %x %u %u %u",
+				device, &ip, &gw, &flags, &ref, &use, &metric, &mask, &mtu, &window, &irtt);
+
+		if (retval != 11) continue;
+
+		if (gw == 0 && !is_dummy_device(device)) {
+			fclose(fp);
+			return device;
+		}
+	}
+	fclose(fp);
+	return NULL;
+}
+
+
+void
+free_devices_list(GList *list)
+{
+	g_list_foreach(list, (GFunc)g_free, NULL);
+	g_list_free(list);
+}
+
+
+/* Frees a DevInfo struct and all the stuff it contains
+ */
+void
+free_device_info(DevInfo *devinfo)
+{
+	g_free(devinfo->name);
+	g_free(devinfo->ip);
+	g_free(devinfo->netmask);
+	g_free(devinfo->ptpip);
+	g_free(devinfo->hwaddr);
+	g_free(devinfo->ipv6);
+	g_free(devinfo->essid);
+	g_free(devinfo->tx_rate);
+	g_free(devinfo->rx_rate);
+	g_free(devinfo->sum_rate);
+}
+
+
+
+
+static char*
+format_ipv4(guint32 ip)
+{
+	char *str = g_malloc(INET_ADDRSTRLEN);
+	inet_ntop(AF_INET, &ip, str, INET_ADDRSTRLEN);
+	return str;
+}
+
+
+static char*
+format_ipv6(const guint8 ip[16])
+{
+	char *str = g_malloc(INET6_ADDRSTRLEN);
+	inet_ntop(AF_INET6, ip, str, INET6_ADDRSTRLEN);
+	return str;
+}
+
+
+/* TODO:
+   these stuff are not portable because of ioctl
+*/
+static void
+get_ptp_info(DevInfo *devinfo)
+{
+	int fd = -1;
+	struct ifreq request = {};
+
+	g_strlcpy(request.ifr_name, devinfo->name, sizeof request.ifr_name);
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		return;
+
+	if (ioctl(fd, SIOCGIFDSTADDR, &request) >= 0) {
+		struct sockaddr_in* addr;
+		addr = (struct sockaddr_in*)&request.ifr_dstaddr;
+		devinfo->ptpip = format_ipv4(addr->sin_addr.s_addr);
+	}
+
+	close(fd);
+}
+
+
+
+
+void
+get_device_info(const char *device, DevInfo *devinfo)
+{
+	glibtop_netload netload;
+	guint8 *hw;
+
+	g_assert(device);
+
+	memset(devinfo, 0, sizeof *devinfo);
+
+	devinfo->name = g_strdup(device);
+	devinfo->type = DEV_UNKNOWN;
+
+	glibtop_get_netload(&netload, device);
+	devinfo->tx = netload.bytes_out;
+	devinfo->rx = netload.bytes_in;
+
+	devinfo->up = (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_UP) ? TRUE : FALSE);
+	devinfo->running = (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_RUNNING) ? TRUE : FALSE);
+
+	devinfo->ip = format_ipv4(netload.address);
+	devinfo->netmask = format_ipv4(netload.subnet);
+	devinfo->ipv6 = format_ipv6(netload.address6);
+	devinfo->qual = 0;
+	devinfo->essid = NULL;
+
+	hw = netload.hwaddress;
+	if (hw[6] || hw[7]) {
+		devinfo->hwaddr = g_strdup_printf(
+			"%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",
+			hw[0], hw[1], hw[2], hw[3],
+			hw[4], hw[5], hw[6], hw[7]);
+	} else {
+		devinfo->hwaddr = g_strdup_printf(
+			"%02X:%02X:%02X:%02X:%02X:%02X",
+			hw[0], hw[1], hw[2],
+			hw[3], hw[4], hw[5]);
+	}
+	/* stolen from gnome-applets/multiload/linux-proc.c */
+
+	if(netload.if_flags & (1L << GLIBTOP_IF_FLAGS_LOOPBACK)) {
+		devinfo->type = DEV_LO;
+	}
+
+#ifdef HAVE_IW
+
+	else if (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_WIRELESS)) {
+		devinfo->type = DEV_WIRELESS;
+		get_wireless_info (devinfo);
+	}
+
+#endif /* HAVE_IW */
+
+	else if(netload.if_flags & (1L << GLIBTOP_IF_FLAGS_POINTOPOINT)) {
+		if (g_str_has_prefix(device, "plip")) {
+			devinfo->type = DEV_PLIP;
+		}
+		else if (g_str_has_prefix(device, "sl")) {
+			devinfo->type = DEV_SLIP;
+		}
+		else {
+			devinfo->type = DEV_PPP;
+		}
+
+		get_ptp_info(devinfo);
+	}
+	else {
+		devinfo->type = DEV_ETHERNET;
+	}
+}
+
+gboolean
+compare_device_info(const DevInfo *a, const DevInfo *b)
+{
+	g_assert(a && b);
+	g_assert(a->name && b->name);
+
+	if (!g_str_equal(a->name, b->name)) return TRUE;
+	if (a->ip && b->ip) {
+		if (!g_str_equal(a->ip, b->ip)) return TRUE;
+	} else {
+		if (a->ip || b->ip) return TRUE;
+	}
+	/* Ignore hwaddr, ptpip and netmask... I think this is ok */
+	if (a->up != b->up) return TRUE;
+	if (a->running != b->running) return TRUE;
+
+	return FALSE;
+}
+#ifdef HAVE_IW
+void
+get_wireless_info (DevInfo *devinfo)
+{
+	int fd;
+	int newqual;
+	wireless_info info = {0};
+
+	fd = iw_sockets_open ();
+
+	if (fd < 0)
+		return;
+
+	if (iw_get_basic_config (fd, devinfo->name, &info.b) < 0)
+		goto out;
+
+	if (info.b.has_essid) {
+		if ((!devinfo->essid) || (strcmp (devinfo->essid, info.b.essid) != 0)) {
+			devinfo->essid = g_strdup (info.b.essid);
+		}
+	} else {
+		devinfo->essid = NULL;
+	}
+
+	if (iw_get_stats (fd, devinfo->name, &info.stats, &info.range, info.has_range) >= 0)
+		info.has_stats = 1;
+
+	if (info.has_stats) {
+		if ((iw_get_range_info(fd, devinfo->name, &info.range) >= 0) && (info.range.max_qual.qual > 0)) {
+			newqual = 0.5f + (100.0f * info.stats.qual.qual) / (1.0f * info.range.max_qual.qual);
+		} else {
+			newqual = info.stats.qual.qual;
+		}
+
+		newqual = CLAMP(newqual, 0, 100);
+		if (devinfo->qual != newqual)
+			devinfo->qual = newqual;
+
+	} else {
+		devinfo->qual = 0;
+	}
+
+	goto out;
+out:
+	if (fd != -1)
+		close (fd);
+}
+#endif /* HAVE_IW */