/**
* Waits for particular PDU (with known command id and sequence no) for some period of time ($to).
* All unmatched PDUs go to $this->pdu_inc array
* @access public
* @param int $cmd Command id
* @param int $sqn Sequence no
* @param int $to Timeout (miliseconds)
* @return mixed PDU on success, FALSE on error
*/
public function pdu_wait_for($cmd, $sqn = null, $to = 60000)
{
if ($this->state != CSS_CONNECTED) {
return false;
}
l('Will wait for ' . $this->translate_cmd($cmd) . ' with sqn no ' . $sqn);
list($usec, $sec) = explode(' ', microtime());
$now = $start = $sec + $usec;
while ($now - $start < $to / 1000) {
if (false !== ($pdu = $this->pdu_read())) {
$hdr = $this->sunpack('Nlen/Ncmd/Nstat/Nsqn', substr($pdu, 0, 16));
l('Got ' . $this->translate_cmd($hdr['cmd']) . ' (' . $hdr['cmd'] . ') with sqn no ' . $hdr['sqn']);
if ($hdr['cmd'] == $cmd && ($hdr['sqn'] == $sqn || $sqn == null)) {
l('Thats it. Returned.');
return $pdu;
} elseif ($hdr['cmd'] == 0x15) {
// Got ENQUIRELINK - replying
if (!$this->send(NIMF_esme::form_pdu(ENQUIRELINK | ACK, array('sqn' => $hdr['sqn'])))) {
l('Could not send ENQUIRELINK_ACK');
}
} else {
$this->pdu_inc[] = $pdu;
}
} else {
if ($this->state != CSS_CONNECTED) {
l('Disconnection happened.');
return false;
}
}
list($usec, $sec) = explode(' ', microtime());
$now = $sec + $usec;
}
l('PDU we were waiting for didn\'t arrive.');
return false;
}
$db->put('SET NAMES "' . $conf['DB']['charset'] . '"');
$db->autocommit(false);
}
}
// checking for outgoing messages
$db->commit();
// <-- This is required to see non cached outbox result
if (false === ($send = $db->get_array('SELECT * FROM outbox WHERE (src IN (' . $conf['SMPP']['nums'] . ') OR src LIKE \'77%\') AND try_ts<' . (time() - 3600) . ' ORDER BY id LIMIT ' . $conf['ESME']['txlimit']))) {
l('Could not read from db', L_CRIT);
unset($db);
continue;
}
if (isset($send['id'])) {
// check for SMPP connect
if (!isset($esme)) {
$esme = new NIMF_esme($conf['SMPP']['host'], $conf['SMPP']['port'], $conf['SMPP']['login'], $conf['SMPP']['pass']);
$esme->dir = 'TX';
$esme->address_range = $conf['SMPP']['addrange'];
$esme->addr_ton = $conf['SMPP']['at'];
$esme->addr_npi = $conf['SMPP']['an'];
$esme->dbcoding = $conf['ESME']['dbcoding'];
$esme->sbcoding = $conf['ESME']['sbcoding'];
$esme->mbcoding = $conf['ESME']['mbcoding'];
}
if ($esme->state > ESS_CONNECTED && $esme->last_enquire < time() - $conf['ESME']['enquire']) {
if (!$esme->enquirelink()) {
$esme->sock->disconnect();
$esme->state = ESS_DISCONNECTED;
} else {
$esme->last_enquire = time();
}
/**
* Forms PDU.
* @access public
* @param int $cmd Command id
* @param array $pars Parameters
* @return string PDU
*/
public function form_pdu($cmd, $pars = array())
{
$pdu = null;
switch ($cmd) {
case BIND_TX:
case BIND_RX:
$pdu = pack('a' . (strlen($this->login) + 1) . 'a' . (strlen($this->pass) + 1) . 'a' . (strlen($this->system_type) + 1) . 'CCCa' . (strlen($this->address_range) + 1), $this->login, $this->pass, $this->system_type, 0x34, $this->addr_ton, $this->addr_npi, $this->address_range);
$this->sqn++;
break;
case SUBMIT_SM:
$pdu = pack('a' . (strlen($pars['stype']) + 1) . 'CCa' . (strlen($pars['src']) + 1) . 'CCa' . (strlen($pars['dst']) + 1) . 'CCCa' . (strlen($pars['sdt']) + 1) . 'a' . (strlen($pars['valid']) + 1) . 'CCCCC', $pars['stype'], $pars['st'], $pars['sn'], $pars['src'], $pars['dt'], $pars['dn'], $pars['dst'], $pars['esm'], $pars['proto'], $pars['prior'], $pars['sdt'], $pars['valid'], $pars['deliv'], $pars['repl'], $pars['dc'], $pars['msgid'], strlen($pars['text'])) . $pars['text'];
break;
case ENQUIRELINK:
case UNBIND:
$this->sqn++;
break;
case DELIVER_SM | ACK:
$pdu = pack('a2', '0');
break;
}
if (isset($pars['sqn'])) {
$sqn = $pars['sqn'];
} else {
$sqn = $this->sqn;
}
return NIMF_esme::form_pdu_header($cmd, strlen($pdu), $sqn) . $pdu;
}
$db = new NIMF_mysqli($conf['DB']['host'], $conf['DB']['login'], $conf['DB']['pass'], $conf['DB']['db']);
if (mysqli_connect_errno()) {
l('Could not connect to DB: ' . mysqli_connect_error(), L_EMRG);
unset($db);
sleep(5);
continue;
} else {
l('Connected to DB successfully: ' . $db->host_info);
$db->put('SET NAMES "' . $conf['DB']['charset'] . '"');
$db->put('SET SESSION query_cache_type = OFF');
$db->autocommit(false);
}
}
// check for SMPP connect
if (!isset($esme)) {
$esme = new NIMF_esme($conf['SMPP']['host'], $conf['SMPP']['port'], $conf['SMPP']['login'], $conf['SMPP']['pass']);
$esme->dir = 'RX';
$esme->address_range = $conf['SMPP']['addrange'];
$esme->addr_ton = $conf['SMPP']['at'];
$esme->addr_npi = $conf['SMPP']['an'];
$esme->dbcoding = $conf['ESME']['dbcoding'];
$esme->sbcoding = $conf['ESME']['sbcoding'];
$esme->mbcoding = $conf['ESME']['mbcoding'];
}
if ($esme->state > ESS_CONNECTED && $esme->last_enquire < time() - $conf['ESME']['enquire']) {
if (!$esme->enquirelink()) {
$esme->sock->disconnect();
$esme->state = ESS_DISCONNECTED;
} else {
$esme->last_enquire = time();
}
