function getActivePrepaidSessions($active_sessions, $current_balance, $BillingPartyId, $exceptSessions=array()) {
$this->parallel_calls=array();
$this->remaining_balance=$current_balance;
$ongoing_rates=array();
foreach (array_keys($active_sessions) as $_session) {
if (in_array($_session,$exceptSessions)) {
/*
$log = sprintf ("Ongoing prepaid session %s for %s updated",
$_session,
$BillingPartyId
);
syslog(LOG_NOTICE, $log);
*/
continue;
}
$Rate_session = new Rate($this->settings, $this->db);
$passed_time=time()-$active_sessions[$_session]['timestamp'];
$active_sessions[$_session]['passed_time']=$passed_time;
$RateDictionary_session=array(
'duration' => $passed_time,
'callId' => $_session,
'timestamp' => $active_sessions[$_session]['timestamp'],
'DestinationId' => $active_sessions[$_session]['DestinationId'],
'region' => $active_sessions[$_session]['region'],
'domain' => $active_sessions[$_session]['domain'],
'BillingPartyId' => $active_sessions[$_session]['BillingPartyId'],
'ENUMtld' => $active_sessions[$_session]['ENUMtld'],
'RatingTables' => $this->CDRS->RatingTables
);
$Rate_session->calculateAudio($RateDictionary_session);
$log = sprintf ("Active sessions %s for %s to %s: duration=%s, price=%s ",
$_session,
$BillingPartyId,
$active_sessions[$_session]['Destination'],
$passed_time,
$Rate_session->price
);
syslog(LOG_NOTICE, $log);
$ongoing_rates[$_session] = array(
'duration' => $passed_time,
'price' => $Rate_session->price
);
}
if (count($ongoing_rates)) {
// calculate the virtual balance of the user at this moment in time
$due_balance=0;
foreach (array_keys($ongoing_rates) as $_o) {
$due_balance = $due_balance + $ongoing_rates[$_o]['price'];
}
$this->remaining_balance = $this->remaining_balance-$due_balance;
$log = sprintf ("Balance for %s having %d active sessions: database=%s, due=%s, real=%s",$BillingPartyId,count($ongoing_rates),sprintf("%0.4f",$current_balance),sprintf("%0.4f",$due_balance),sprintf("%0.4f",$this->remaining_balance));
syslog(LOG_NOTICE, $log);
}
foreach (array_keys($active_sessions) as $_session) {
if (in_array($_session,$exceptSessions)) {
continue;
}
$RateDictionary_session=array(
'callId' => $_session,
'timestamp' => time(),
'Balance' => $this->remaining_balance,
'DestinationId' => $active_sessions[$_session]['DestinationId'],
'region' => $active_sessions[$_session]['region'],
'domain' => $active_sessions[$_session]['domain'],
'BillingPartyId' => $active_sessions[$_session]['BillingPartyId'],
'ENUMtld' => $active_sessions[$_session]['ENUMtld'],
'RatingTables' => $this->CDRS->RatingTables,
'skipConnectCost' => true
);
if ($active_sessions[$_session]['duration']) {
$RateDictionary_session['duration'] = $active_sessions[$_session]['duration']-$active_sessions[$_session]['passed_time'];
}
$Rate = new Rate($this->settings, $this->db);
$_maxduration = round($Rate->MaxSessionTime($RateDictionary_session));
$log = sprintf("Remaining duration for active session %s of %s to destination %s having balance=%s is %s",
$_session,
$BillingPartyId,
$active_sessions[$_session]['DestinationId'],
$this->remaining_balance,
$_maxduration);
syslog(LOG_NOTICE, $log);
if ($_maxduration > 0) {
$this->parallel_calls[$_session]=array('remainingBalancePerSecond' => $this->remaining_balance/$_maxduration);
} else {
/*
$log = sprintf ("Maxduration for session %s of %s will be negative",$_session,$active_sessions[$_session]['BillingPartyId']);
syslog(LOG_NOTICE, $log);
*/
}
}
return 1;
}
