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352 lines (255 loc) · 11.8 KB
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<?php
highlight_file("scan.php");
die();
$KeywordArray = array(
array( "keywords" => "voted mccain -not", "callbacks" => array("red" => "keyTen", "blue" => "keyZero") ),
array( "keywords" => "voted obama -not", "callbacks" => array("red" => "keyZero", "blue" => "keyTen") ),
array( "keywords" => "vote mccain -not", "callbacks" => array("red" => "keyTen", "blue" => "keyZero") ),
array( "keywords" => "vote obama -not", "callbacks" => array("red" => "keyZero", "blue" => "keyTen") ),
array( "keywords" => "go obama", "callbacks" => array("red" => "keyZero", "blue" => "keyOne") ),
array( "keywords" => "go mccain", "callbacks" => array("red" => "keyOne", "blue" => "keyZero") )
);
function keyOne($item){
return 1;
}
function keyZero($item){
return 0;
}
function keyTen($item){
return 10;
}
class TwitterScan{
private $userFile;
private $userList;
function main(){
global $KeywordArray;
$this->userFile = time() . ".users";
$pid = pcntl_fork();
if(!$pid){
$link = mysql_connect('MYSQL_SERVER', 'MYSQL_DBUSER', 'MYSQL_PASSWORD');
if(!mysql_selectdb('MYSQL_DBUSER'))
die( mysql_error() );
$sql = "SELECT * FROM user WHERE 1;";
$res = mysql_query($sql);
$users = array();
while( $row = mysql_fetch_assoc($res) ){
$users[] = $row["user_id"];
}
file_put_contents($this->userFile, serialize($users));
mysql_close();
die();
}else{
$status = null;
pcntl_waitpid($pid, $status);
}
$this->userList = unserialize( file_get_contents($this->userFile) );
$syncFiles = array();
$pids = array();
for($i=0; $i < count($KeywordArray); $i++){
$syncTo = time() . "." . $i . ".sync";
$syncFiles[] = $syncTo;
$pid = pcntl_fork();
if(!$pid){
$this->scan($i, -1, $syncTo);
}else{
$pids[] = $pid;
}
}
$status = null;
while( count($pids) ){
pcntl_waitpid(array_pop($pids), $status);
}
$link = mysql_connect('MYSQL_SERVER', 'MYSQL_DBUSER', 'MYSQL_PASSWORD');
if(!mysql_selectdb('MYSQL_DBUSER'))
die( mysql_error() );
$bigArr = array();
$bigArr["red"] = array();
$bigArr["blue"] = array();
foreach($syncFiles as $s){
$arr = unserialize(file_get_contents($s));
unlink($s);
foreach($arr["red"] as $key => $val){
if(!array_key_exists($key, $bigArr["red"])){
$bigArr["red"][$key] = array("score" => 0, "count" => 0);
}
$bigArr["red"][$key]["count"] += $val["count"];
$bigArr["red"][$key]["score"] += $val["score"];
}
foreach($arr["blue"] as $key => $val){
if(!array_key_exists($key, $bigArr["blue"])){
$bigArr["blue"][$key] = array("score" => 0, "count" => 0);
}
$bigArr["blue"][$key]["count"] += $val["count"];
$bigArr["blue"][$key]["score"] += $val["score"];
}
}
echo "Blue:" . count($bigArr["blue"]) . "\t" . "Red:" . count($bigArr["red"]) . "\n";
$link = mysql_connect('MYSQL_SERVER', 'MYSQL_DBUSER', 'MYSQL_PASSWORD');
if(!mysql_selectdb('MYSQL_DBUSER'))
die( mysql_error() );
while( file_exists("dblock.pid") && ( time() - filemtime("dblock.pid") ) < 900 ){
sleep(1);
}
touch("dblock.pid");
$sql = "SELECT * FROM red WHERE 1;";
$res = mysql_query($sql);
$insertSql = "INSERT INTO red (state, score, count) VALUES ";
$redInsert = array();
while( $row = mysql_fetch_assoc($res) ){
$count = (int) $row["count"];
$score = (int) $row["score"];
if( array_key_exists( $row["state"], $bigArr["red"] ) ){
$count += $bigArr["red"][ $row["state"] ]["count"];
$score += $bigArr["red"][ $row["state"] ]["score"];
}
$redInsert[] = "('" . $row["state"] . "'," . $score . "," . $count . ")";
}
$sql = "DELETE FROM red WHERE 1";
mysql_query($sql);
$sql = $insertSql . implode(", ", $redInsert);
mysql_query($sql);
$sql = "SELECT * FROM blue WHERE 1;";
$res = mysql_query($sql);
$insertSql = "INSERT INTO blue (state, score, count) VALUES ";
$redInsert = array();
while( $row = mysql_fetch_assoc($res) ){
$count = (int) $row["count"];
$score = (int) $row["score"];
if( array_key_exists( $row["state"], $bigArr["red"] ) ){
$count += $bigArr["blue"][ $row["state"] ]["count"];
$score += $bigArr["blue"][ $row["state"] ]["score"];
}
$redInsert[] = "('" . $row["state"] . "'," . $score . "," . $count . ")";
}
$sql = "DELETE FROM blue WHERE 1";
mysql_query($sql);
$sql = $insertSql . implode(", ", $redInsert);
mysql_query($sql);
unlink( "dblock.pid" );
unlink( $this->userFile );
mysql_close();
}
function processTweet($arr, $callbackArray, $syncFile){
$link = mysql_connect('MYSQL_SERVER', 'MYSQL_DBUSER', 'MYSQL_PASSWORD');
if(!mysql_selectdb('MYSQL_DBUSER'))
die( mysql_error() );
$redStateHash = array();
$blueStateHash = array();
foreach($arr as $res){
if(strlen($res["from_user"]) == 0)
continue;
$userid = $res["from_user_id"];
if( in_array($userid, $this->userList) )
continue;
$sql = "INSERT INTO user (user_id) VALUES (" . $userid . ");";
if(!mysql_query($sql))
echo mysql_error();
$url = "http://twittervision.com/user/current_status/" . urlencode($res["from_user"]) . ".json";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$data = json_decode( curl_exec($ch), true );
curl_close($ch);
if(is_array($data)){
$loc = explode( "," , $data["location"]["address"] );
$state = null;
if( trim($loc[ 2 ]) == "US" || trim($loc[ 2 ]) == "USA" ){
$state = trim(strtoupper( $loc[ 1 ] ));
}
if( trim($loc[ 1 ]) == "US" || trim($loc[ 1 ]) == "USA" ){
$state = trim(strtoupper( $loc[ 0 ] ));
}
if(!is_null($state)){
if(!array_key_exists($state, $redStateHash))
$redStateHash[$state] = array("score" => 0, "count" => 0);
if(!array_key_exists($state, $blueStateHash))
$blueStateHash[$state] = array("score" => 0, "count" => 0);
$redScore = call_user_func( $callbackArray["red"], $res["text"] );
$blueScore = call_user_func( $callbackArray["blue"], $res["text"] );
$redStateHash[$state]["count"] += ($redScore > 0) ? 1 : 0;
$blueStateHash[$state]["count"] += ($blueScore > 0) ? 1 : 0;
$redStateHash[$state]["score"] += (int) $redScore;
$blueStateHash[$state]["score"] += (int) $blueScore;
}
}
}
$sync = array();
$sync["red"] = $redStateHash;
$sync["blue"] = $blueStateHash;
file_put_contents($syncFile, serialize($sync));
mysql_close();
die();
}
function scan($lineId, $sinceId, $syncTo){
global $KeywordArray;
$keyword = $KeywordArray[$lineId]["keywords"];
$fileSince = -1;
if( file_exists($lineId . ".since") )
$fileSince = file_get_contents( $lineId . ".since" );
if( $sinceId < 0 ){
$sinceId = $fileSince;
}
if($sinceId > 0){
$url = "http://search.twitter.com/search.json?lang=en&q=" . urlencode($keyword) . "&rpp=100&since_id=" . $sinceId;
}else{
$url = "http://search.twitter.com/search.json?lang=en&q=" . urlencode($keyword) . "&rpp=10";
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($ch);
curl_close($ch);
$json = json_decode($data, true);
$res = $json["results"];
$lastSince = $res[ count($res) ]["id"];
// if( $fileSince > 0 && count($res) == 100 )
// echo exec("/usr/bin/php5 scan.php " . $lineId . " " . $lastSince) . "\n";
echo "Found " . count($res) . " tweets \n";
$syncFiles = array();
$pids = array();
for($i=0; $i < count($res); $i+= 25){
$tmp = array_slice($res, $i, 25);
$syncFile = trim(time()) . "." . $i . "." . $lineId . ".sync";
$syncFiles[] = $syncFile;
$pid = pcntl_fork();
if(!$pid){
$this->processTweet($tmp, $KeywordArray[$lineId]["callbacks"], $syncFile);
}else{
$pids[] = $pid;
}
}
$status = null;
while( count($pids) ){
pcntl_waitpid(array_pop($pids), $status);
}
$bigArr = array();
$bigArr["red"] = array();
$bigArr["blue"] = array();
foreach($syncFiles as $s){
$arr = unserialize(file_get_contents($s));
foreach($arr["red"] as $key => $val){
if( !array_key_exists($key, $bigArr["red"]) ){
$bigArr["red"][$key] = array("score" => 0, "count" => 0);
}
$bigArr["red"][$key]["count"] += $val["count"];
$bigArr["red"][$key]["score"] += $val["score"];
}
foreach($arr["blue"] as $key => $val){
if(!array_key_exists($key, $bigArr["blue"])){
$bigArr["blue"][$key] = array("score" => 0, "count" => 0);
}
$bigArr["blue"][$key]["count"] += $val["count"];
$bigArr["blue"][$key]["score"] += $val["score"];
}
unlink($s);
}
file_put_contents( $lineId . ".since", $res[0]["id"] );
file_put_contents( $syncTo, serialize($bigArr) );
die();
}
}
$twitter = new TwitterScan();
$twitter->main();
?>
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