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Viewing changes to netspeed/src/applet-netspeed.c

  • Committer: Bazaar Package Importer
  • Author(s): Didier Roche
  • Date: 2009-08-26 21:07:39 UTC
  • Revision ID: james.westby@ubuntu.com-20090826210739-gyjuuqezrzuluao4
Tags: upstream-2.0.8.1
Import upstream version 2.0.8.1

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netspeed/src/applet-netspeed.c
 
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/**
 
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* This file is a part of the Cairo-Dock project
 
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*
 
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* Copyright : (C) see the 'copyright' file.
 
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* E-mail    : see the 'copyright' file.
 
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*
 
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* This program is free software; you can redistribute it and/or
 
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* modify it under the terms of the GNU General Public License
 
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* as published by the Free Software Foundation; either version 3
 
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* of the License, or (at your option) any later version.
 
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*
 
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* This program is distributed in the hope that it will be useful,
 
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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* GNU General Public License for more details.
 
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* You should have received a copy of the GNU General Public License
 
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* along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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*/
 
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#include <stdlib.h>
 
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#include <stdio.h>
 
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#include <string.h>
 
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#include <glib/gi18n.h>
 
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#include <glib.h>
 
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#include <glib/gprintf.h>
 
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#include "applet-struct.h"
 
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#include "applet-notifications.h"
 
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#include "applet-netspeed.h"
 
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#include "cairo-dock.h"
 
31
 
 
32
 
 
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#define NETSPEED_DATA_PIPE "/proc/net/dev"
 
34
 
 
35
 
 
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// Prend un debit en octet par seconde et le transforme en une chaine de la forme : xxx yB/s
 
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static void cd_netspeed_formatRate (CairoDockModuleInstance *myApplet, unsigned long long rate, gchar* debit) {
 
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        int smallRate;
 
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        if (rate <= 0)
 
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        {
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "0 %s/s", D_("B"));
 
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                else
 
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                        g_sprintf(debit, "0");
 
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        }
 
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        else if (rate < 1024)
 
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        {
 
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                smallRate = rate;
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "%i %s/s", smallRate, D_("B"));
 
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                else
 
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                        g_sprintf(debit, "%iB", smallRate);
 
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        }
 
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        else if (rate < (1<<20))
 
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        {
 
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                smallRate = rate >> 10;
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "%i %s/s", smallRate, D_("KB"));
 
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                else
 
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                        g_sprintf(debit, "%iK", smallRate);
 
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        }
 
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        else if (rate < (1<<30))
 
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        {
 
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                smallRate = rate >> 20;
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "%i %s/s", smallRate, D_("MB"));
 
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                else
 
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                        g_sprintf(debit, "%iM", smallRate);
 
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        }
 
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        else if (rate < ((unsigned long long)1<<40))
 
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        {
 
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                smallRate = rate >> 30;
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "%i %s/s", smallRate, D_("GB"));
 
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                else
 
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                        g_sprintf(debit, "%iG", smallRate);
 
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        }
 
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        else  // c'est vraiment pour dire qu'on est exhaustif :-)
 
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        {
 
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                smallRate = rate >> 40;
 
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                if (myDesklet)
 
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                        g_sprintf(debit, "%i %s/s", smallRate, D_("TB"));
 
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                else
 
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                        g_sprintf(debit, "%iT", smallRate);
 
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        }
 
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}
 
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void cd_netspeed_get_data (CairoDockModuleInstance *myApplet)
 
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{
 
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        g_timer_stop (myData.pClock);
 
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        double fTimeElapsed = g_timer_elapsed (myData.pClock, NULL);
 
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        g_timer_start (myData.pClock);
 
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        g_return_if_fail (fTimeElapsed > 0.1);
 
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        gchar *cContent = NULL;
 
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        gsize length=0;
 
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        GError *erreur = NULL;
 
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        g_file_get_contents (NETSPEED_DATA_PIPE, &cContent, &length, &erreur);
 
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        if (erreur != NULL)
 
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        {
 
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                cd_warning("NetSpeed : %s", erreur->message);
 
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                g_error_free(erreur);
 
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                erreur = NULL;
 
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                myData.bAcquisitionOK = FALSE;
 
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        }
 
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        else
 
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        {
 
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                int iNumLine = 1;
 
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                gchar *tmp = cContent;
 
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                long long int iReceivedBytes, iTransmittedBytes;
 
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                while (TRUE)
 
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                {
 
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                        if (iNumLine > 3)  // les 2 premieres lignes sont les noms des champs, la 3eme est la loopback.
 
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                        {
 
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                                while (*tmp == ' ')  // on saute les espaces.
 
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                                        tmp ++;
 
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                                if (strncmp (tmp, myConfig.cInterface, myConfig.iStringLen) == 0 && *(tmp+myConfig.iStringLen) == ':')  // c'est l'interface qu'on veut.
 
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                                {
 
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                                        tmp += myConfig.iStringLen+1;  // on saute le ':' avec.
 
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                                        iReceivedBytes = atoll (tmp);
 
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                                        int i = 0;
 
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                                        for (i = 0; i < 8; i ++)  // on saute les 8 valeurs suivantes.
 
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                                        {
 
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                                                while (*tmp != ' ')  // saute le chiffre courant.
 
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                                                        tmp ++;
 
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                                                while (*tmp == ' ')  // saute les espaces.
 
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                                                        tmp ++;
 
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                                        }
 
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                                        iTransmittedBytes = atoll (tmp);
 
134
                                        
 
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                                        if (myData.bInitialized)  // la 1ere iteration on ne peut pas calculer le debit.
 
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                                        {
 
137
                                                myData.iDownloadSpeed = (iReceivedBytes - myData.iReceivedBytes) / fTimeElapsed;
 
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                                                myData.iUploadSpeed = (iTransmittedBytes - myData.iTransmittedBytes) / fTimeElapsed;
 
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                                        }
 
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                                        myData.iReceivedBytes = iReceivedBytes;
 
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                                        myData.iTransmittedBytes = iTransmittedBytes;
 
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                                        break ;
 
144
                                }
 
145
                        }
 
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                        tmp = strchr (tmp+1, '\n');
 
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                        if (tmp == NULL)
 
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                                break;
 
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                        tmp ++;
 
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                        iNumLine ++;
 
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                }
 
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                myData.bAcquisitionOK = (tmp != NULL);
 
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                g_free (cContent);
 
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                if (! myData.bInitialized)
 
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                        myData.bInitialized = TRUE;
 
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        }
 
157
}
 
158
 
 
159
gboolean cd_netspeed_update_from_data (CairoDockModuleInstance *myApplet)
 
160
{
 
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        static double s_fValues[CD_NETSPEED_NB_MAX_VALUES];
 
162
        
 
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        if ( ! myData.bAcquisitionOK)
 
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        {
 
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                if (myConfig.iInfoDisplay == CAIRO_DOCK_INFO_ON_LABEL)
 
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                        CD_APPLET_SET_NAME_FOR_MY_ICON (myConfig.defaultTitle);
 
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                else if (myConfig.iInfoDisplay == CAIRO_DOCK_INFO_ON_ICON)
 
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                        CD_APPLET_SET_QUICK_INFO_ON_MY_ICON ("N/A");
 
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                memset (s_fValues, 0, sizeof (s_fValues));
 
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                CD_APPLET_RENDER_NEW_DATA_ON_MY_ICON (s_fValues);
 
172
                
 
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                cairo_dock_downgrade_task_frequency (myData.pPeriodicTask);
 
174
        }
 
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        else
 
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        {
 
177
                cairo_dock_set_normal_task_frequency (myData.pPeriodicTask);
 
178
                
 
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                if (! myData.bInitialized)
 
180
                {
 
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                        if (myConfig.iInfoDisplay == CAIRO_DOCK_INFO_ON_ICON)
 
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                                CD_APPLET_SET_QUICK_INFO_ON_MY_ICON (myDock ? "..." : D_("Loading"));
 
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                        memset (s_fValues, 0, sizeof (s_fValues));
 
184
                        CD_APPLET_RENDER_NEW_DATA_ON_MY_ICON (s_fValues);
 
185
                }
 
186
                else
 
187
                {
 
188
                        if (myConfig.iInfoDisplay != CAIRO_DOCK_INFO_NONE)
 
189
                        {
 
190
                                gchar upRateFormatted[11];
 
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                                gchar downRateFormatted[11];
 
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                                cd_netspeed_formatRate (myApplet, myData.iUploadSpeed, upRateFormatted);
 
193
                                cd_netspeed_formatRate (myApplet, myData.iDownloadSpeed, downRateFormatted);
 
194
                                if (myConfig.iInfoDisplay == CAIRO_DOCK_INFO_ON_ICON)
 
195
                                {
 
196
                                        CD_APPLET_SET_QUICK_INFO_ON_MY_ICON_PRINTF ("↓%s\n↑%s", downRateFormatted, upRateFormatted);
 
197
                                }
 
198
                                else
 
199
                                {
 
200
                                        CD_APPLET_SET_NAME_FOR_MY_ICON_PRINTF ("↓%s\n↑%s", downRateFormatted, upRateFormatted);
 
201
                                }
 
202
                        }
 
203
                        
 
204
                        if(myData.iUploadSpeed > myData.iMaxUpRate) {
 
205
                                myData.iMaxUpRate = myData.iUploadSpeed;
 
206
                        }
 
207
                        if(myData.iDownloadSpeed > myData.iMaxDownRate) {
 
208
                                myData.iMaxDownRate = myData.iDownloadSpeed;
 
209
                        }
 
210
                        
 
211
                        double fUpValue, fDownValue;
 
212
                        if (myData.iMaxUpRate != 0)
 
213
                                fUpValue = (double) myData.iUploadSpeed / myData.iMaxUpRate;
 
214
                        else
 
215
                                fUpValue = 0.;
 
216
                        if (myData.iMaxDownRate != 0)
 
217
                                fDownValue = (double) myData.iDownloadSpeed / myData.iMaxDownRate;
 
218
                        else
 
219
                                fDownValue = 0.;
 
220
                        
 
221
                        int i = 0;
 
222
                        s_fValues[i++] = fUpValue;
 
223
                        s_fValues[i] = fDownValue;
 
224
                        CD_APPLET_RENDER_NEW_DATA_ON_MY_ICON (s_fValues);
 
225
                }
 
226
        }
 
227
        return TRUE;
 
228
}