alguem pode me judar com este socket, preciso pegar as informações que vem na string 12 deste equipamento, como faço isso?

#!/usr/bin/php -q
<?php
//waiting for system startup
//crontab: @reboot php -q /var/www/server/tracker.php
//sleep (180);

/**
* Listens for requests and forks on each connection
*/

$tipoLog = "arquivo"; // tela //debug log, escreve na tela ou no arquivo de log.

$fh = null;
$remip = null;
$remport = null;
$imei = '';

/*if ($tipoLog == "arquivo") {

//Criando arquivo de log

$fn = $_SERVER['DOCUMENT_ROOT']."/sites/1/logs/" . "Log_". date("dmyhis") .".log";
$fh = fopen($fn, 'w') or die ("Can not create file");
$tempstr = "Log Inicio".chr(13).chr(10);
fwrite($fh, $tempstr);

}*/

function abrirArquivoLog($imeiLog) {
GLOBAL $fh;

//$fn = ".".dirname(__FILE__)."/sites/1/logs/Log_". trim($imeiLog) .".log";
$fn = "./var/www/sites/1/logs/Log_". trim($imeiLog) .".log";
$fn = trim($fn);
$fh = fopen($fn, 'a') or die ("Can not create file");
$tempstr = "Log Inicio".chr(13).chr(10);
fwrite($fh, $tempstr);

}

function fecharArquivoLog() {
GLOBAL $fh;
if ($fh != null)
fclose($fh);
}

function printLog( $fh, $mensagem ) {
GLOBAL $tipoLog;
GLOBAL $fh;

 if ($tipoLog == "arquivo") {

//escreve no arquivo

if ($fh != null)
fwrite($fh, $mensagem.chr(13).chr(10));
 } else {

//escreve na tela

echo $mensagem."<br />";
 }
}

//$cnx = mysql_connect("localhost", "user1", "pass1")

// or die("Could not connect: " . mysql_error());
//mysql_select_db('tracker', $cnx);

//$res = mysql_query("select valor from preferencias where nome = 'host_apn'", $cnx);
//$dataIp = mysql_fetch_assoc($res);
//$res = mysql_query("select valor from preferencias where nome = 'port_apn'", $cnx);
//$dataPorta = mysql_fetch_assoc($res);
//$res = mysql_query("select valor from preferencias where nome = 'email_alertas'", $cnx);
//$dataEmail = mysql_fetch_assoc($res);

// IP Local

//$ip = $dataIp['valor'];
$ip = '23.89.198.254';

// Port

//$port = $dataPorta['valor'];
$port = '7095';

// Path to look for files with commands to send

$command_path = "./var/www/sites/1/";
//$from_email = $dataEmail['valor'];
$from_email = 'josenilsontrindade@gmail.com';

//mysql_close($cnx);

$__server_listening = true;

error_reporting(E_ALL);
set_time_limit(0);
ob_implicit_flush();
declare(ticks = 1);
ini_set('sendmail_from', $from_email);

//printLog($fh, "become_daemon() in");
become_daemon();
//printLog($fh, "become_daemon() out");

/* nobody/nogroup, change to your host's uid/gid of the non-priv user

** Comment by Andrew - I could not get this to work, i commented it out
the code still works fine but mine does not run as a priv user anyway....
uncommented for completeness
*/
//change_identity(65534, 65534);

/ handle signals /

pcntl_signal(SIGTERM, 'sig_handler');
pcntl_signal(SIGINT, 'sig_handler');
pcntl_signal(SIGCHLD, 'sig_handler');

//printLog($fh, "pcntl_signal ok");

/ change this to your own host / port /

//printLog($fh, "server_loop in");
server_loop($ip, $port);

//Finalizando arquivo
//fclose($fh);

/**
* Change the identity to a non-priv user
*/

function change_identity( $uid, $gid ) {
 if( !posix_setgid( $gid ) ) {
 print "Unable to setgid to " . $gid . "!\n";
 exit;
 }

 if( !posix_setuid( $uid ) ) {
 print "Unable to setuid to " . $uid . "!\n";
 exit;
 }
}

/**
* Creates a server socket and listens for incoming client connections
* @param string $address The address to listen on
* @param int $port The port to listen on
*/

function server_loop($address, $port) {
 GLOBAL $fh;
 GLOBAL $__server_listening;

printLog($fh, "server_looping...");

 if(($sock = socket_create(AF_INET, SOCK_STREAM, 0)) < 0) {
printLog($fh, "failed to create socket: ".socket_strerror($sock));
 exit();
 }

if(($ret = socket_bind($sock, $address, $port)) < 0) {

printLog($fh, "failed to bind socket: ".socket_strerror($ret));
exit();
}

if( ( $ret = socket_listen( $sock, 0 ) ) < 0 ) {

printLog($fh, "failed to listen to socket: ".socket_strerror($ret));
exit();
}

socket_set_nonblock($sock);

printLog($fh, "waiting for clients to connect...");

while ($__server_listening) {

$connection = @socket_accept($sock);
if ($connection === false) {
usleep(100);

} elseif ($connection > 0) {
handle_client($sock, $connection);
} else {

printLog($fh, "error: ".socket_strerror($connection));
die;
}
}
}

/**
* Signal handler
*/
function sig_handler($sig) {
switch($sig) {
case SIGTERM:
case SIGINT:

//exit();
break;

case SIGCHLD:

pcntl_waitpid(-1, $status);
break;
}
}

$firstInteraction = false;

/**
* Handle a new client connection
*/

function handle_client($ssock, $csock) {
GLOBAL $__server_listening;
GLOBAL $fh;
GLOBAL $firstInteraction;
GLOBAL $remip;
GLOBAL $remport;

$pid = pcntl_fork();

if ($pid == -1) {

/ fork failed /

//printLog($fh, "fork failure!");
die;

} elseif ($pid == 0) {
/ child process /

$__server_listening = false;
socket_getpeername($csock, $remip, $remport);

//printLog($fh, date("d-m-y h:i:sa") . " Connection from $remip:$remport");

$firstInteraction = true;

socket_close($ssock);
interact($csock);
socket_close($csock);

printLog($fh, date("d-m-y h:i:sa") . " Connection to $remip:$remport closed");

fecharArquivoLog();

} else {

socket_close($csock);
}
}

function interact($socket) {
GLOBAL $fh;
GLOBAL $command_path;
GLOBAL $firstInteraction;
GLOBAL $remip;
GLOBAL $remport;

$loopcount = 0;
$conn_imei = "";

/ TALK TO YOUR CLIENT /
$rec = "";
// Variavel que indica se comando est� em banco ou arquivo.
$tipoComando = "arquivo"; //"arquivo";

//Checando o protocolo

$isGIMEI = false;
$isGPRMC = false;

$send_cmd = "";

Read the socket but don't wait for data..

while (@socket_recv($socket, $rec, 2048, 0x40) !== 0) {

# If we know the imei of the phone and there is a pending command send it.
if ($conn_imei != "") {
if ($tipoComando == "arquivo" and file_exists("$command_path/$conn_imei")) {

$send_cmd = file_get_contents("$command_path/$conn_imei");
socket_send($socket, $send_cmd, strlen($send_cmd), 0);
unlink("$command_path/$conn_imei");
printLog($fh, "Arquivo de comandos apagado: " . $send_cmd . " imei: " . $conn_imei);

} else {
if ($tipoComando == "banco" and file_exists("$command_path/$conn_imei")) {
//Conecta e pega o comando pendente
$cnx = mysql_connect("localhost", "user1", "pass1")

 or die("Could not connect: " . mysql_error());
mysql_select_db('tracker', $cnx);
$res = mysql_query("SELECT c.command FROM command c WHERE c.imei = '$conn_imei' ORDER BY date DESC LIMIT 1", $cnx);

while($data = mysql_fetch_assoc($res)) {

$send_cmd = $data['command'];
echo 'acessou o comando';
}

// Deletando comando

//mysql_query("DELETE FROM command WHERE imei = $conn_imei");
mysql_close($cnx);

socket_send($socket, $send_cmd, strlen($send_cmd), 0);
unlink("$command_path/$conn_imei");
printLog($fh, "Comandos do arquivo apagado: " . $send_cmd . " imei: " . $conn_imei);
}

else
{
//Se nao tiver comando na fila e for a primeira iteracao, obtem o ultimo comando v�lido enviado

if ($firstInteraction == true) {
sleep (1);
$send_cmd = "**,imei:". $conn_imei .",C,02m";

//Obtendo o ultimo comando
$cnx = mysql_connect("localhost", "user1", "pass1")

 or die("Could not connect: " . mysql_error());
mysql_select_db('tracker', $cnx);
$res = mysql_query("SELECT c.command FROM command c WHERE c.command like '**,imei:". $conn_imei .",C,%' and c.imei = $conn_imei ORDER BY date DESC LIMIT 1", $cnx);

while($data = mysql_fetch_assoc($res)) {

$send_cmd = $data['command'];
}
mysql_close($cnx);

socket_send($socket, $send_cmd, strlen($send_cmd), 0);
printLog($fh, "Comando de start: " . $send_cmd . " imei: " . $conn_imei);
$firstInteraction = false;
}
}
}

// Comando enviado

printLog($fh, date("d-m-y h:i:sa") . " Sent: $send_cmd");
}

Some pacing to ensure we don't split any incoming data.

sleep (1);

Timeout the socket if it's not talking...

Prevents duplicate connections, confusing the send commands

$loopcount++;
if ($loopcount > 120) return;

#remove any whitespace from ends of string.

$cnx = mysql_connect("localhost", "user1", "pass1");
mysql_select_db('tracker', $cnx);

if ($rec != "") {
$rec = trim($rec);

if (strpos($rec, "GPRMC") === false) {

/ M�DULO IMEI GEN�RICO /

$isGIMEI = true;

$loopcount = 0;

if ($fh != null)
printLog($fh, date("d-m-y h:i:sa") . " Got : $rec");

$parts = explode(',',$rec);

if (strpos($parts[0], "#") === FALSE) {

/* Andrew's tracker is different....
Array
(

[0] => imei:354779030525274
[1] => tracker
[2] => 0909221022

[3] => +61417801658

[4] => F
[5] => 022234.000
[6] => A
[7] => 3506.5232
[8] => S
[9] => 13829.5988
[10] => E
[11] => 0.00

[12] =>
)
*/

$imei = substr($parts[0],0, -1);

Only worry about the rest if there is data to get

if (count($parts) > 1) {

 $imei = substr($parts[0],5);
 $infotext = mysql_real_escape_string($parts[1]);
 $trackerdate = mysql_real_escape_string($parts[2]);
 $gpsSignalIndicator = mysql_real_escape_string($parts[4]);
 $speed = 0;

 //Se gpsSignalIndicator <> L, pega o outros dados
 if ($gpsSignalIndicator != 'L') {
 $phone = mysql_real_escape_string($parts[3]);
 $satelliteFixStatus = mysql_real_escape_string($parts[6]);

 $latitudeDecimalDegrees = mysql_real_escape_string($parts[7]);
 $latitudeHemisphere = mysql_real_escape_string($parts[8]);
 $longitudeDecimalDegrees = mysql_real_escape_string($parts[9]);
 $longitudeHemisphere = mysql_real_escape_string($parts[10]);
 $speed = mysql_real_escape_string($parts[11]);
 }

 //inicio verifica geofence
 mysql_select_db('tracker', $cnx);

 $texto_sms_localiza = "";
 $texto_sms_alerta_hodometro = "";
 $texto_sms_alerta = "";

$result = mysql_query("select * from preferencias", $cnx);

while ($dataPref = mysql_fetch_assoc($result)){

if($dataPref['nome'] == 'texto_sms_localiza')
$texto_sms_localiza = $dataPref['valor'];

if($dataPref['nome'] == 'texto_sms_alerta_hodometro')
$texto_sms_alerta_hodometro = $dataPref['valor'];

if($dataPref['nome'] == 'texto_sms_alerta')
$texto_sms_alerta = $dataPref['valor'];
}

if ( $imei != "" ) {

$consulta = mysql_query("SELECT * FROM geo_fence WHERE imei = '$imei'", $cnx);

while($data = mysql_fetch_assoc($consulta)) {

$idCerca = $data['id'];
$imeiCerca = $data['imei'];
$nomeCerca = $data['nome'];
$coordenadasCerca = $data['coordenadas'];
$resultCerca = $data['tipo'];
$tipoEnvio = $data['tipoEnvio'];

strlen($latitudeDecimalDegrees) == 9 && $latitudeDecimalDegrees = '0'.$latitudeDecimalDegrees;
$g = substr($latitudeDecimalDegrees,0,3);
$d = substr($latitudeDecimalDegrees,3);
$strLatitudeDecimalDegrees = $g + ($d/60);
$latitudeHemisphere == "S" && $strLatitudeDecimalDegrees = $strLatitudeDecimalDegrees * -1;

strlen($longitudeDecimalDegrees) == 9 && $longitudeDecimalDegrees = '0'.$longitudeDecimalDegrees;
$g = substr($longitudeDecimalDegrees,0,3);
$d = substr($longitudeDecimalDegrees,3);
$strLongitudeDecimalDegrees = $g + ($d/60);
$longitudeHemisphere == "S" && $strLongitudeDecimalDegrees = $strLongitudeDecimalDegrees * -1;

$strLongitudeDecimalDegrees = $strLongitudeDecimalDegrees * -1;

$lat_point = $strLatitudeDecimalDegrees;
$lng_point = $strLongitudeDecimalDegrees;

$exp = explode("|", $coordenadasCerca);

if( ( count($exp) ) < 5 ) {

$strExp = explode(",", $exp[0]);
$strExp1 = explode(",", $exp[2]);

} else {

$int = (count($exp)) / 2;
$strExp = explode(",", $exp[0]);
$strExp1 = explode(",", $exp[$int]);
}

$lat_vertice_1 = $strExp[0];
$lng_vertice_1 = $strExp[1];
$lat_vertice_2 = $strExp1[0];
$lng_vertice_2 = $strExp1[1];

if ( $lat_vertice_1 < $lat_point Or $lat_point < $lat_vertice_2 And $lng_point < $lng_vertice_1 Or $lng_vertice_2 < $lng_point ) {
$result = '0';
$situacao = 'fora';

} else {

$result = '1';
$situacao = 'dentro';
}

if ( $result <> $resultCerca And round($speed * 1.852,0) > 0 ) {

mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Cerca ". $nomeCerca ." Violada!')", $cnx);

if ( $tipoEnvio == 0 ) {

Convert the GPS coordinates to a human readable address

$tempstr = "http://www.systemtracker.com.br\">www.systemtracker.com.br</a></p>";
$msg .= "</body>";
$msg .= "</html>";

$mail = new PHPMailer();
$mail->Mailer = "smtp";
$mail->IsHTML(true);
$mail->CharSet = "utf-8";
$mail->SMTPSecure = "tls";
$mail->Host = "smtp.gmail.com";
$mail->Port = "587";
$mail->SMTPAuth = "true";
$mail->Username = "josenilsontrindade@gmail.com";
$mail->Password = "jnt99971387";
$mail->From = "josenilsontrindade@gmail.com";
$mail->FromName = "System Tracker";
$mail->AddAddress($emailDestino);
$mail->AddReplyTo($mail->From, $mail->FromName);
$mail->Subject = "System Tracker - Alerta de Violacao de Perimetro";
$mail->Body = $msg;

if (!$mail->Send()) {
echo "Erro de envio: ". $mail->ErrorInfo;
} else {

echo "Mensagem enviada com sucesso!";
}
}
}
}
}

} // if imei
//final verifica geofence

$dataBem = null;
$dataCliente = null;

$resBem = mysql_query("select id, cliente, envia_sms, name, alerta_hodometro, alerta_hodometro_saldo from bem where imei = '$imei'", $cnx);

$dataBem = mysql_fetch_assoc($resBem);

$resCliente = mysql_query("select id, celular, dt_ultm_sms, envia_sms, sms_acada, hour(timediff(now(), dt_ultm_sms)) horas, minute(timediff(now(), dt_ultm_sms)) minutos, nome from cliente where id = $dataBem[cliente]", $cnx);
$dataCliente = mysql_fetch_assoc($resCliente);

 # Write it to the database...
 if ($gpsSignalIndicator != 'L') {
$movimento = '';
if($speed > 0)
$movimento = 'S';

else

$movimento = 'N';

$gpsLat = gprsToGps($latitudeDecimalDegrees, $latitudeHemisphere);
$gpsLon = gprsToGps($longitudeDecimalDegrees, $longitudeHemisphere);
$gpsLatAnt = 0;
$gpsLatHemAnt = '';
$gpsLonAnt = 0;
$gpsLonHemAnt = '';
$alertaACadaSaldo = 0;

$resLocAtual = mysql_query("select id, latitudeDecimalDegrees, latitudeHemisphere, longitudeDecimalDegrees, longitudeHemisphere from loc_atual where imei = '$imei' limit 1", $cnx);
$numRows = mysql_num_rows($resLocAtual);

if($numRows == 0){
//mysql_query("insert into logs evento values ('ok') ");
mysql_query("INSERT INTO loc_atual (date, imei, phone, satelliteFixStatus, latitudeDecimalDegrees, latitudeHemisphere, longitudeDecimalDegrees, longitudeHemisphere, speed, infotext, gpsSignalIndicator, converte) VALUES (now(), '$imei', '$phone', '$satelliteFixStatus', '$latitudeDecimalDegrees', '$latitudeHemisphere', '$longitudeDecimalDegrees', '$longitudeHemisphere', '$speed', '$infotext', '$gpsSignalIndicator', 1)", $cnx);

} else {

mysql_query("UPDATE loc_atual set date = now(), phone = '$phone', satelliteFixStatus = '$satelliteFixStatus', latitudeDecimalDegrees = '$latitudeDecimalDegrees', latitudeHemisphere = '$latitudeHemisphere', longitudeDecimalDegrees = '$longitudeDecimalDegrees', longitudeHemisphere = '$longitudeHemisphere', speed = '$speed', infotext = '$infotext', gpsSignalIndicator = '$gpsSignalIndicator' where imei = '$imei'", $cnx);
}

$distance = 0;

try{

$bemId = $dataBem[id];
$countGeoDistance = mysql_query("select bem from geo_distance where bem = $bemId", $cnx);

if($countGeoDistance === false || mysql_num_rows($countGeoDistance) == 0) {

mysql_query("insert into geo_distance (bem, tipo) values($bemId, 'I')", $cnx);
mysql_query("insert into geo_distance (bem, tipo) values($bemId, 'F')", $cnx);
}

/envio de sms/
if($dataCliente['envia_sms'] == 'S' && $dataBem['envia_sms'] == 'S' && !empty($dataCliente['celular']) && !empty($dataCliente['sms_acada'])){
if(empty($dataCliente['dt_ultm_sms'])){

mysql_query("update cliente set dt_ultm_sms = now() where id = $dataCliente[id]",$cnx);

} else {

$horas = $dataCliente['horas'];
$minutos = $dataCliente['minutos'];

if(!empty($horas))

$horas = $horas * 60;
$tempoTotal = $horas+$minutos;
if($tempoTotal > $dataCliente['sms_acada']){
$json = json_decode(file_get_contents("http://www.systemtracker.com.br\">www.systemtracker.com.br</a></p>";
$msg .= "</body>";
$msg .= "</html>";

$mail = new PHPMailer();
$mail->Mailer = "smtp";
$mail->IsHTML(true);
$mail->CharSet = "utf-8";
$mail->SMTPSecure = "tls";
$mail->Host = "smtp.gmail.com";
$mail->Port = "587";
$mail->SMTPAuth = "true";
$mail->Username = "josenilsontrindade@gmail.com";
$mail->Password = "jnt99971387";
$mail->From = "josenilsontrindade@gmail.com";
$mail->FromName = "System Tracker";
$mail->AddAddress($emailDestino);
$mail->AddReplyTo($mail->From, $mail->FromName);
$mail->Subject = "System Tracker - Alerta de Violacao de Perimetro";
$mail->Body = $msg;

if (!$mail->Send()) {
echo "Erro de envio: ". $mail->ErrorInfo;
} else {

echo "Mensagem enviada com sucesso!";
}
}
}
}
}

} // if imei
//final verifica geofence

if($gpsSignalIndicator != 'L') {
$movimento = '';
if($speed > 0)
$movimento = 'S';
 else
$movimento = 'N';

$gpsLat = gprsToGps($latitudeDecimalDegrees, $latitudeHemisphere);
$gpsLon = gprsToGps($longitudeDecimalDegrees, $longitudeHemisphere);
$gpsLatAnt = 0;
$gpsLatHemAnt = '';
$gpsLonAnt = 0;
$gpsLonHemAnt = '';

$resLocAtual = mysql_query("select id from loc_atual where imei = '$imei' limit 1", $cnx);
$numRows = mysql_num_rows($resLocAtual);
if($numRows == 0){
mysql_query("INSERT INTO loc_atual (date, imei, phone, satelliteFixStatus, latitudeDecimalDegrees, latitudeHemisphere, longitudeDecimalDegrees, longitudeHemisphere, speed, infotext, gpsSignalIndicator, converte) VALUES (now(), '$imei', '$phone', '$satelliteFixStatus', '$latitudeDecimalDegrees', '$latitudeHemisphere', '$longitudeDecimalDegrees', '$longitudeHemisphere', '$speed', '$infotext', '$gpsSignalIndicator', 1)", $cnx);

} else {

$dataLocAtual = mysql_fetch_assoc($resLocAtual);
$gpsLatAnt = $dataLocAtual[latitudeDecimalDegrees];
$gpsLatHemAnt = $dataLocAtual[latitudeHemisphere];
$gpsLonAnt = $dataLocAtual[longitudeDecimalDegrees];
$gpsLonHemAnt = $dataLocAtual[longitudeHemisphere];
mysql_query("UPDATE loc_atual set date = now(), phone = '$phone', satelliteFixStatus = '$satelliteFixStatus', latitudeDecimalDegrees = '$latitudeDecimalDegrees', latitudeHemisphere = '$latitudeHemisphere', longitudeDecimalDegrees = '$longitudeDecimalDegrees', longitudeHemisphere = '$longitudeHemisphere', speed = '$speed', infotext = '$infotext', gpsSignalIndicator = '$gpsSignalIndicator' where imei = '$imei'", $cnx);
}
$distance = 0;

try{

$bemId = $dataBem[id];
$countGeoDistance = mysql_query("select bem from geo_distance where bem = $bemId", $cnx);

if($countGeoDistance === false || mysql_num_rows($countGeoDistance) == 0) {

mysql_query("insert into geo_distance (bem, tipo) values($bemId, 'I')", $cnx);
mysql_query("insert into geo_distance (bem, tipo) values($bemId, 'F')", $cnx);
}

/envio de sms/
if($dataCliente['envia_sms'] == 'S' && $dataBem['envia_sms'] == 'S' && !empty($dataCliente['celular']) && !empty($dataCliente['sms_acada'])){
if(empty($dataCliente['dt_ultm_sms'])){

mysql_query("update cliente set dt_ultm_sms = now() where id = $dataCliente[id]",$cnx);

} else {

$horas = $dataCliente['horas'];
$minutos = $dataCliente['minutos'];

if(!empty($horas))

$horas = $horas * 60;
$tempoTotal = $horas+$minutos;
if($tempoTotal > $dataCliente['sms_acada']){

$json = json_decode(file_get_contents("http://maps.google.com/maps/api/geocode/json?sensor=false&latlng=$gpsLat,$gpsLon&language=es-ES"));

if ( isset( $json->status ) && $json->status == 'OK' && isset($json->results[0]->formatted_address)) {

$address = $json->results[0]->formatted_address;
$address = utf8_decode($address);
$aDataCliente = split(' ', $dataCliente['nome']);
$msg = $texto_sms_localiza;
$msg = str_replace("#CLIENTE", $aDataCliente[0], $msg);
$msg = str_replace("#VEICULO", $dataBem['name'], $msg);
$msg = str_replace("#LOCALIZACAO", $address, $msg);
$msg = str_replace(' ', '+', $msg);
sendSMS($dataCliente['celular'], $msg, '');
if($retorno < 0)
mysql_query("insert into controle(texto) values('envio de sms retorno: $retorno')",$cnx);

else

mysql_query("update cliente set dt_ultm_sms = now() where id = $dataCliente[id]",$cnx);
}
}
}
}

if($movimento == 'S'){
$resGeoDistance = mysql_query("select parou from geo_distance where bem = $bemId and tipo = 'I'", $cnx);
$dataGeoDistance = mysql_fetch_assoc($resGeoDistance);

if($dataGeoDistance[parou] == 'S' || empty($dataGeoDistance[parou])){

mysql_query("update geo_distance set latitudeDecimalDegrees = '$latitudeDecimalDegrees', latitudeHemisphere = '$latitudeHemisphere', longitudeDecimalDegrees = '$longitudeDecimalDegrees', longitudeHemisphere = '$longitudeHemisphere', parou = 'N' where bem = $bemId and tipo = 'I'", $cnx);
}

} else {

$resGeoDistance = mysql_query("select latitudeDecimalDegrees, latitudeHemisphere, longitudeDecimalDegrees, longitudeHemisphere from geo_distance where bem = $bemId and tipo = 'I'", $cnx);

if(mysql_num_rows($resGeoDistance) > 0){

$update = mysql_query("update geo_distance set latitudeDecimalDegrees = '$latitudeDecimalDegrees', latitudeHemisphere = '$latitudeHemisphere', longitudeDecimalDegrees = '$longitudeDecimalDegrees', longitudeHemisphere = '$longitudeHemisphere', parou = 'S' where bem = $bemId and tipo = 'I'", $cnx);
$dataGeoDistance = mysql_fetch_assoc($resGeoDistance);
$gpsLatAnt = gprsToGps($dataGeoDistance[latitudeDecimalDegrees], $dataGeoDistance[latitudeHemisphere]);
$gpsLonAnt = gprsToGps($dataGeoDistance[longitudeDecimalDegrees], $dataGeoDistance[longitudeHemisphere]);
if($gpsLatAnt != $gpsLat) {
if($gpsLatAnt != 0 && $gpsLonAnt != 0){

/*
$json = json_decode(file_get_contents('http://dev.virtualearth.net/REST/V1/Routes/Driving?o=xml&wp.0=$gpsLatAnt,$gpsLonAnt&wp.1=$gpsLat,$gpsLon&avoid=minimizeTolls&key=AqMJv19uaRKDbu-wSgUt3paCfXETZjBafVBMDXX9Rc4XyqmM6l4R_A8TgEXuWT6G')););)

if(isset($json->rows[0]->elements[0]->distance)){
}
*/
/*
$json = json_decode(file_get_contents("http://maps.googleapis.com/maps/api/distancematrix/json?sensor=false&origins=$gpsLatAnt,$gpsLonAnt&destinations=$gpsLat,$gpsLon"));

if(isset($json->rows[0]->elements[0]->distance)){

$strDistance = $json->rows[0]->elements[0]->distance->value;
$distance = $strDistance+0;

$alertaACada = $dataBem['alerta_hodometro'];
$alertaACadaSaldo = $dataBem['alerta_hodometro_saldo'];
$alertaACadaSaldo = ($alertaACadaSaldo*1000) - $distance;
if($alertaACadaSaldo <= 0 && $alertaACada > 0){
$msg = $texto_sms_alerta_hodometro;
$msg = str_replace("#CLIENTE", $aDataCliente[0], $msg);
$msg = str_replace("#VEICULO", $dataBem['name'], $msg);
$msg = str_replace("#HODOMETRO", $alertaACada, $msg);
$msg = str_replace(' ', '+', $msg);
sendSMS($dataCliente['celular'], $msg, '');
$alertaACadaSaldo = $alertaACada;
}
$alertaACadaSaldo = (int)$alertaACadaSaldo/1000;
}

*/

$geoDistance = distance($gpsLatAnt, $gpsLonAnt, $gpsLat, $gpsLon,'K');
//$strDistance = $json->rows[0]->elements[0]->distance->value;
$distance = (int)($geoDistance*1000);

$alertaACada = $dataBem['alerta_hodometro'];
$alertaACadaSaldo = $dataBem['alerta_hodometro_saldo'];
$alertaACadaSaldo = ($alertaACadaSaldo*1000) - $distance;
if($alertaACadaSaldo <= 0 && $alertaACada > 0){
$msg = $texto_sms_alerta_hodometro;
$msg = str_replace("#CLIENTE", $aDataCliente[0], $msg);
$msg = str_replace("#VEICULO", $dataBem['name'], $msg);
$msg = str_replace("#HODOMETRO", $alertaACada, $msg);
$msg = str_replace(' ', '+', $msg);
//sendSMS($dataCliente['celular'], $msg, '');
$alertaACadaSaldo = $alertaACada;
}
$alertaACadaSaldo = (int)$alertaACadaSaldo/1000;
}
}
}

}

}catch(Exception $e){

mysql_query("INSERT INTO controle (texto) VALUES ($e->getMessage())", $cnx);
}
mysql_query("UPDATE bem set date = date, status_sinal = 'R', movimento = '$movimento', hodometro=hodometro+$distance WHERE imei = '$imei'", $cnx);
mysql_query("INSERT INTO gprmc (date, imei, phone, satelliteFixStatus, latitudeDecimalDegrees, latitudeHemisphere, longitudeDecimalDegrees, longitudeHemisphere, speed, infotext, gpsSignalIndicator, km_rodado, converte) VALUES (now(), '$imei', '$phone', '$satelliteFixStatus', '$latitudeDecimalDegrees', '$latitudeHemisphere', '$longitudeDecimalDegrees', '$longitudeHemisphere', '$speed', '$infotext', '$gpsSignalIndicator', $distance, 1)", $cnx);

} else {

mysql_query("UPDATE bem set date = date, status_sinal = 'S' WHERE imei = '$imei'", $cnx);
}

Now check to see if we need to send any alerts.

if (trim($infotext) != "gprmc") {

 $res = mysql_query("SELECT responsible FROM bem WHERE imei='$imei'", $cnx);
 while($data = mysql_fetch_assoc($res)) {
 switch ($infotext) {
 case "dt":
$body = "Disable Track OK";
break;
 case "et":
$body = "Stop Alarm OK";
break;
 case "gt";
$body = "Move Alarm set OK";
break;
 case "help me":
$body = "Help!";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'SOS!')", $cnx);
break;
 case "ht":
$body = "Speed alarm set OK";
break;
 case "it":
$body = "Timezone set OK";
break;
 case "low battery":
$body = "Low battery!\nYou have about 2 minutes...";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Bat. Fraca')", $cnx);
break;
 case " bat:":
$body = "Low battery!\nYou have about 2 minutes...";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Bat. Fraca')", $cnx);
break;
 case "Low batt":
$body = "Low battery!\nYou have about 2 minutes...";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Bat. Fraca')", $cnx);
break;
 case "move":
$body = "Move Alarm!";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Movimento')", $cnx);
break;
 case "nt":
$body = "Returned to SMS mode OK";
break;
 case "speed":
$body = "Speed alarm!";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Velocidade')", $cnx);
break;
 case "stockade":
$body = "Geofence Violation!";
mysql_query("INSERT INTO message (imei, message) VALUES ('$imei', 'Cerca')", $cnx);
break;

} //switch

//Enviando e-mail de alerta

$headers = "From: $email_from" . "\r\n" . "Reply-To: $email_from" . "\r\n";
$responsible = $data['responsible'];
$rv = mail($responsible, "Tracker - $imei", $body, $headers);

} //while
}

} else {
//GRPMC nao precisa reter a sessao
}

//No protocolo GPRMC cada nova conex�o � um IP. Enviando comando no fim da conexao, ap�s obter os dados.
if (file_exists("$command_path/$conn_imei")) {

$send_cmd = file_get_contents("$command_path/$conn_imei");
socket_send($socket, $send_cmd, strlen($send_cmd), 0);
mysql_query("DELETE FROM command WHERE imei = $conn_imei");
unlink("$command_path/$conn_imei");
printLog($fh, "Comandos do Banco e Arquivo apagados: " . $send_cmd . " imei: " . $conn_imei);

}

mysql_close($cnx);

break;
}
}

//Checando se utilizou os dois protocolos para uma escuta

if ($isGIMEI == true and $isGPRMC == true) {
//printLog($fh, "ATENCAO: falha na obtencao do protocolo. Kill pid.");
}

$rec = "";

} //while

} //fim interact

/**
* Become a daemon by forking and closing the parent
*/

function become_daemon() {
 GLOBAL $fh;

//printLog($fh, "pcntl_fork() in");
 $pid = pcntl_fork();
//printLog($fh, "pcntl_fork() out");

 if ($pid == -1) {
 /* fork failed */
//printLog($fh, "fork failure!");
 exit();
 } elseif ($pid) {
//printLog($fh, "pid: " . $pid);
 /* close the parent */
 exit();
 } else {
 /* child becomes our daemon */
 posix_setsid();
 chdir('/');
 umask(0);
 return posix_getpid();
 }

//printLog($fh, "become_daemon() fim");
}

function gprsToGps($cord, $hemisphere){
$novaCord = 0;
strlen($cord) == 9 && $cord = '0'.$cord;
$g = substr($cord,0,3);
$d = substr($cord,3);
$novaCord = $g + ($d/60);
if($hemisphere == "S")
$hemisphere == "S" && $novaCord = $novaCord * -1;
if($hemisphere == "W")
$hemisphere == "W" && $novaCord = $novaCord * -1;
return $novaCord;
}

function sendSMS($contato, $mensagem, $remetente){

$cnx = mysql_connect("localhost", "user1", "pass1")

 or die("Could not connect: " . mysql_error());
mysql_select_db('tracker', $cnx);
$res = mysql_query("select valor from preferencias where nome = 'url_sms'", $cnx);
$data = mysql_fetch_assoc($res);
$url = $data['valor'];

$res = mysql_query("select valor from preferencias where nome = 'usuario_sms'", $cnx);
$data = mysql_fetch_assoc($res);
$usuario = $data['valor'];

$res = mysql_query("select valor from preferencias where nome = 'senha_sms'", $cnx);
$data = mysql_fetch_assoc($res);
$senha = $data['valor'];

$res = mysql_query("select valor from preferencias where nome = 'de_sms'", $cnx);
$data = mysql_fetch_assoc($res);
$de = $data['valor'];
file_get_contents($url."usr=".$usuario."&pwd=".$senha."&number=55".$contato."&sender=".$de."&msg=$mensagem");
}

function distance($lat1, $lon1, $lat2, $lon2) {

$center_lat = $lat1;
$center_lng = $lon1;
$lat = $lat2;
$lng = $lon2;

$distance =( 6371 * acos((cos(deg2rad($center_lat)) ) * (cos(deg2rad($lat))) * (cos(deg2rad($lng) - deg2rad($center_lng)) )+ ((sin(deg2rad($center_lat))) * (sin(deg2rad($lat))))) );
return $distance;

/*

 $theta = $lon1 - $lon2;
 $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
 $dist = acos($dist);
 $dist = rad2deg($dist);
 $miles = $dist * 60 * 1.1515;
 $unit = strtoupper($unit);

 if ($unit == "K")
 {
 return ($miles * 1.609344);
 }
 else if ($unit == "N")
 {
 return ($miles * 0.8684);
 }
 else
 {
 return $miles;
 }
 */
}
?>