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/******************************************************************************
* Copyright (C) 2011 Michael Hofmann <mh21@piware.de> *
* *
* 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 3 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 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. *
******************************************************************************/
public class NetIconData : IconData {
private uint64[] lastdata;
private uint64 lasttime;
public NetIconData() {
// minimum of 5kb/s
base("netload", 3, 10, 5000);
}
public override void update_traces() {
uint64[] newdata = new uint64[3];
uint64 newtime = get_monotonic_time();
string[] devices;
GTop.NetList netlist;
devices = GTop.get_netlist(out netlist);
for (uint i = 0; i < netlist.number; ++i) {
GTop.NetLoad netload;
GTop.get_netload(out netload, devices[i]);
if ((netload.if_flags & (1L << GTop.IFFlags.UP)) == 0) {
// ignore (counters jumps to zero when shut down)
} else if (FileUtils.test("/sys/class/net/%s/device".printf(devices[i]), FileTest.EXISTS)) {
newdata[0] += netload.bytes_in;
newdata[1] += netload.bytes_out;
} else if ((netload.if_flags & (1L << GTop.IFFlags.LOOPBACK)) > 0) {
newdata[2] += netload.bytes_in;
}
}
if (this.lastdata.length == 0) {
foreach (unowned IconTraceData trace in this.traces)
trace.add_value(0);
} else {
double delta = (newtime - this.lasttime) / 1e6;
for (uint i = 0, isize = this.traces.length; i < isize; ++i)
this.traces[i].add_value((newdata[i] - this.lastdata[i]) / delta);
}
this.lastdata = newdata;
this.lasttime = newtime;
}
}
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