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|
/* -*- C++ -*-
*
* kPPP: A pppd front end for the KDE project
*
* $Id$
*
* Copyright (C) 1997 Bernd Johannes Wuebben
* [email protected]
*
* This file contributed by: Mario Weilguni, <[email protected]>
* Thanks Mario!
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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 Library 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.
*/
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <tqdir.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include <kdebug.h>
#include <time.h>
#include "accounting.h"
#include "pppdata.h"
#include "pppstats.h"
// defines the maximum duration until the current costs
// are saved again (to prevent loss due to "kill")
// specifying -1 disables the features
#define UPDATE_TIME (5*60*1000)
extern PPPData gpppdata;
/////////////////////////////////////////////////////////////////////////////
//
// Helper functions
//
/////////////////////////////////////////////////////////////////////////////
static TQString timet2qstring(time_t t) {
TQString s;
s.sprintf("%lu", t);
return s;
}
/////////////////////////////////////////////////////////////////////////////
//
// The base class for the accounting system provides a base set of usefull
// and common functions, but does not do any accounting by itself. The
// accounting is accomplished withing it's derived classes
//
/////////////////////////////////////////////////////////////////////////////
AccountingBase::AccountingBase(TQObject *parent) :
TQObject(parent),
_total(0),
_session(0)
{
TQDate dt = TQDate::currentDate();
LogFileName = TQString("%1-%2.log")
.arg(TQDate::shortMonthName(dt.month()))
.arg(dt.year(), 4);
LogFileName = KGlobal::dirs()->saveLocation("appdata", "Log")
+ "/" + LogFileName;
kdDebug(5002) << "LogFileName: " << LogFileName << endl;
}
AccountingBase::~AccountingBase() {
if(running())
slotStop();
}
double AccountingBase::total() const {
return _total + _session;
}
double AccountingBase::session() const {
return _session;
}
// set costs back to zero ( typically once per month)
void AccountingBase::resetCosts(const TQString & accountname){
TQString prev_account = gpppdata.accname();
gpppdata.setAccount(accountname);
gpppdata.setTotalCosts("");
gpppdata.setAccount(prev_account);
}
void AccountingBase::resetVolume(const TQString & accountname){
TQString prev_account = gpppdata.accname();
gpppdata.setAccount(accountname);
gpppdata.setTotalBytes(0);
gpppdata.setAccount(prev_account);
}
void AccountingBase::logMessage(TQString s, bool newline) {
int old_umask = umask(0077);
TQFile f(LogFileName);
bool result = f.open(IO_ReadWrite);
if(result) {
// move to eof, and place \n if necessary
if(f.size() > 0) {
if(newline) {
f.at(f.size());
char c = 0;
f.readBlock(&c, 1);
if(c != '\n')
f.writeBlock("\n", 1);
} else
f.at(f.size());
}
TQCString tmp = s.local8Bit();
f.writeBlock(tmp, tmp.length());
f.close();
}
// restore umask
umask(old_umask);
}
TQString AccountingBase::getCosts(const TQString & accountname) {
TQString prev_account = gpppdata.accname();
gpppdata.setAccount(accountname);
TQString val = gpppdata.totalCosts();
// ### currency from rule file
// TQString val = KGlobal::locale()->formatMoney(gpppdata.totalCosts().toDouble(), currency);
gpppdata.setAccount(prev_account);
return val;
}
bool AccountingBase::saveCosts() {
if(!_name.isNull() && _name.length() > 0) {
TQString val;
val.setNum(total());
gpppdata.setTotalCosts(val);
gpppdata.save();
return TRUE;
} else
return FALSE;
}
bool AccountingBase::loadCosts() {
TQString val = gpppdata.totalCosts();
if(val.isNull()) // TQString will segfault if isnull and toDouble called
_total = 0.0;
else {
bool ok;
_total = val.toDouble(&ok);
if(!ok)
_total = 0.0;
}
return TRUE;
}
TQString AccountingBase::getAccountingFile(const TQString &accountname) {
TQString f = "kppp/Rules/";
f += accountname;
TQString d = locate("data", f);
if(d.isNull())
return "";
else
return d;
}
/////////////////////////////////////////////////////////////////////////////
//
// Accounting class for ruleset files
//
/////////////////////////////////////////////////////////////////////////////
Accounting::Accounting(TQObject *parent, PPPStats *st) :
AccountingBase(parent),
acct_timer_id(0),
update_timer_id(0),
stats(st)
{
}
bool Accounting::running() const {
return (bool)(acct_timer_id != 0);
}
void Accounting::timerEvent(TQTimerEvent *t) {
if(t->timerId() == acct_timer_id) {
double newCosts;
double newLen;
double connect_time = difftime(time(0), start_time);
rules.getActiveRule(TQDateTime::currentDateTime(), connect_time, newCosts, newLen);
if(newLen < 1) { // changed to < 1
slotStop();
return; // no default rule found
}
// check if we have a new rule. If yes,
// kill the timer and restart it with new
// duration
if((newCosts != _lastcosts) || (newLen != _lastlen)) {
kdDebug(5002).form("SWITCHING RULES, new costs = %0.2f, new len = %0.2f\n",
newCosts, newLen);
killTimer(acct_timer_id);
if(newLen > 0)
acct_timer_id = startTimer((int)(newLen * 1000.0));
_lastlen = newLen;
_lastcosts = newCosts;
}
// emit changed() signal if necessary
if(newCosts != 0) {
_session += newCosts;
emit changed(rules.currencyString(total()),
rules.currencyString(session()));
}
} // if(t->timerId() == acct_timer_id)...
if(t->timerId() == update_timer_id) {
// just to be sure, save the current costs
// every n seconds (see UPDATE_TIME)
saveCosts();
}
}
void Accounting::slotStart() {
if(!running()) {
loadCosts();
_lastcosts = 0.0;
_lastlen = 0.0;
_session = rules.perConnectionCosts();
rules.setStartTime(TQDateTime::currentDateTime());
acct_timer_id = startTimer(1);
if(UPDATE_TIME > 0)
update_timer_id = startTimer(UPDATE_TIME);
start_time = time(0);
TQString s;
s = timet2qstring(start_time);
s += ":";
s += gpppdata.accname();
s += ":";
s += rules.currencySymbol();
logMessage(s, TRUE);
}
}
void Accounting::slotStop() {
if(running()) {
killTimer(acct_timer_id);
if(update_timer_id != 0)
killTimer(update_timer_id);
acct_timer_id = 0;
update_timer_id = 0;
TQString s;
s.sprintf(":%s:%0.4e:%0.4e:%u:%u\n",
timet2qstring(time(0)).utf8().data(),
session(),
total(),
stats->ibytes,
stats->obytes);
logMessage(s, FALSE);
saveCosts();
}
}
bool Accounting::loadRuleSet(const TQString & name) {
if (name.isEmpty()) {
rules.load(""); // delete old rules
return TRUE;
}
TQString d = AccountingBase::getAccountingFile(name);
TQFileInfo fg(d);
if(fg.exists()) {
int ret = rules.load(d);
_name = rules.name();
return (bool)(ret == 0);
}
return FALSE;
}
double Accounting::total() const {
if(rules.minimumCosts() <= _session)
return _total + _session;
else
return _total + rules.minimumCosts();
}
double Accounting::session() const {
if(rules.minimumCosts() <= _session)
return _session;
else
return rules.minimumCosts();
}
ExecutableAccounting::ExecutableAccounting(PPPStats *st, TQObject *parent) :
AccountingBase(parent),
proc(0),
stats(st)
{
}
bool ExecutableAccounting::running() const {
return (proc != 0) || proc->isRunning();
}
bool ExecutableAccounting::loadRuleSet(const TQString &) {
TQString s = AccountingBase::getAccountingFile(gpppdata.accountingFile());
return (access(TQFile::encodeName(s), X_OK) == 0);
}
void ExecutableAccounting::gotData(KProcess */*proc*/, char *buffer, int /*buflen*/) {
TQString field[8];
int nFields = 0;
int pos, last_pos = 0;
// split string
TQString b(buffer);
pos = b.find(':');
while(pos != -1 && nFields < 8) {
field[nFields++] = b.mid(last_pos, pos-last_pos);
last_pos = pos+1;
pos = b.find(':', last_pos);
}
for(int i = 0; i < nFields;i++)
fprintf(stderr, "FIELD[%d] = %s\n", i, field[i].local8Bit().data());
TQString __total, __session;
TQString s(buffer);
int del1, del2, del3;
del1 = s.find(':');
del2 = s.find(':', del1+1);
del3 = s.find(':', del2+1);
if(del1 == -1 || del2 == -1 || del3 == -1) {
// TODO: do something usefull here
return;
}
provider = s.left(del1);
currency = s.mid(del1, del2-del1);
__total = s.mid(del2, del2-del1);
__session = s.mid(del3, s.length()-del3+1);
bool ok1, ok2;
_total = __total.toDouble(&ok1);
_session = __session.toDouble(&ok2);
if(!ok1 || !ok2) {
// TODO: do something usefull here
return;
}
printf("PROVIDER=%s, CURRENCY=%s, TOTAL=%0.3e, SESSION=%0.3e\n",
provider.local8Bit().data(),
currency.local8Bit().data(),
_total,
_session);
}
void ExecutableAccounting::slotStart() {
if(proc != 0)
slotStop(); // just to make sure
loadCosts();
TQString s = AccountingBase::getAccountingFile(gpppdata.accountingFile());
proc = new KProcess;
TQString s_total;
s_total.sprintf("%0.8f", total());
*proc << s << s_total;
connect(proc, TQT_SIGNAL(receivedStdout(KProcess *, char *, int)),
this, TQT_SLOT(gotData(KProcess *, char *, int)));
proc->start();
time_t start_time = time(0);
s = timet2qstring(start_time);
s += ":";
s += gpppdata.accname();
s += ":";
s += currency;
logMessage(s, TRUE);
}
void ExecutableAccounting::slotStop() {
if(proc != 0) {
proc->kill();
delete proc;
proc = 0;
TQString s;
s.sprintf(":%s:%0.4e:%0.4e:%u:%u\n",
timet2qstring(time(0)).local8Bit().data(),
session(),
total(),
stats->ibytes,
stats->obytes);
logMessage(s, FALSE);
saveCosts();
}
}
#include "accounting.moc"
|