105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
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/*
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* Copyright (c) 2003 Bernhard Walle <bernhard.walle@gmx.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include <time.h>
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#include <sys/time.h>
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#include <glibtop.h>
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#include <glibtop/close.h>
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#include <glibtop/netload.h>
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#include "net.h"
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static glibtop_netload netload;
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static struct timeval prev_time;
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static guint64 prev_ibytes, cur_ibytes;
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static guint64 prev_obytes, cur_obytes;
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static guint64 prev_tbytes, cur_tbytes;
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void init_netload()
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{
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glibtop_init();
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prev_ibytes = cur_ibytes = 0;
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prev_obytes = cur_obytes = 0;
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prev_tbytes = cur_tbytes = 0;
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gettimeofday(&prev_time, NULL);
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}
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void get_current_netload(const gchar* device, gint64 *in, gint64 *out, gint64 *tot)
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{
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static gboolean first = TRUE;
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struct timeval curr_time;
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gdouble delta_t;
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if (in != NULL && out != NULL && tot != NULL)
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{
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*in = *out = *tot = 0;
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}
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gettimeofday(&curr_time, NULL);
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delta_t = (gdouble) ((curr_time.tv_sec - prev_time.tv_sec) * 1000000L
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+ (curr_time.tv_usec - prev_time.tv_usec)) / 1000000.0;
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glibtop_get_netload (&netload, device);
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cur_ibytes = (gint64) netload.bytes_in;
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cur_obytes = (gint64) netload.bytes_out;
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cur_tbytes = (gint64) netload.bytes_total;
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if (in != NULL && out != NULL && tot != NULL && !first)
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{
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*in = (gint64)((cur_ibytes - prev_ibytes) / delta_t);
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*out = (gint64)((cur_obytes - prev_obytes) / delta_t);
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*tot = (gint64)((cur_tbytes - prev_tbytes) / delta_t);
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}
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else
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{
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*in = *out = *tot = 0;
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first = FALSE;
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}
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prev_time.tv_sec = curr_time.tv_sec;
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prev_time.tv_usec = curr_time.tv_usec;
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prev_ibytes = cur_ibytes;
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prev_obytes = cur_obytes;
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prev_tbytes = cur_tbytes;
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}
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void close_netload()
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{
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glibtop_close();
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}
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