function detectAttack()
{
/******************************************/
// 基本上 此物件裡面使用到的資訊
// 都會從檔案中讀取 並不會產生http request
// 不需要做synchronization
/******************************************/
$PLANET = $this->PLANET;
//echo "\n";
echo "AttackDetector: [" . $PLANET[0] . ":" . $PLANET[1] . ":" . $PLANET[2] . "](" . $PLANET[3] . ") ";
echo "Start detecting attacks.\n";
$final_arrive_time = "0";
if ($this->hasAttack()) {
//Attacked; get event list
$eList = file_get_contents($this->Config['ADEventList'], true);
//echo "event list result strlen: ". strlen($eList)."\n";
if (strlen($eList) < $this->Config['AskPageLeastStrLen']) {
$LoginManager = new LoginManager();
$eList = GlobalFunc::getEventList();
}
$event_list_dom = GlobalFunc::loadHtml("<?xml encoding='UTF-8'>" . $eList);
//每個tr都是一筆傳對往返的event
$items = $event_list_dom->getElementsByTagName('tr');
if (!is_object($items)) {
echo "Error occur, <tr> tags are not found in event list, return 0.\n";
return 0;
}
$items_num = $items->length;
//items of fleets action report are sorted by arriving time from closest to farest
//逐項檢查event list(items)裡面的每筆event(item)
for ($i = 0; $i < $items_num; $i++) {
//船隊的抵達時間
$arrive_time = 0;
//取得event(item)下的所有td
$item = $items->item($i);
$tds = $item->getElementsByTagName('td');
$tds_num = $tds->length;
//取得船隊的到達時間
echo "Prepare to check arrival time.\n";
for ($tdIdx = 0; $tdIdx < $tds_num; $tdIdx++) {
$tmp_td_item = $tds->item($tdIdx);
$tmp_class_value = $tmp_td_item->attributes->getNamedItem('class')->nodeValue;
if ($tmp_class_value == "arrivalTime") {
$arrive_time_str = $tmp_td_item->textContent;
//trim chinese code after the time string
$arrive_time = GlobalFunc::trimArrivalTime($arrive_time_str);
break;
}
}
if ($arrive_time != "") {
//data-arrival-time不為空值
//剩下多少時間會到達
$left_arrive_time = GlobalFunc::timeFromNowInSecond($arrive_time, true);
echo "AttackDetector: Arrive_time " . $arrive_time . ".\n";
echo "AttackDetector: Reaction time " . $this->ReactionTime . " seconds.\n";
echo "AttackDetector: An Attack arrive after " . $left_arrive_time . " seconds.\n";
if ($left_arrive_time > $this->ReactionTime) {
echo "AttackDetector: Attack over reaction time, do nothing. \n";
//(因為第一個偵測到的攻擊一定是最早到的攻擊)
//所以第一個都還沒到就可以直接結束偵測了
//到達時間超過反應時間 不需理會
break;
}
} else {
echo "AttackDetector: No arrive time , it's not an attack.\n";
//沒有抵達時間 該event應該不是攻擊
break;
}
//紀錄event狀態的flag
$isTDAttackEvent = false;
$isGroupAttackEvent = false;
//是聯合攻擊
$isTDEventOver = true;
$dest_coord = array(0, 0, 0);
$dest_type = 0;
$total_fleets_count = 10000;
$eventFleetStr = "";
//查看該event的所有<td>並取得重要內容
for ($j = 0; $j < $tds_num; $j++) {
$td_dom = $tds->item($j);
$td_class_value = $td_dom->attributes->getNamedItem('class')->nodeValue;
if ($td_class_value == "missionFleet") {
//確認該事件是否為攻擊事件
//被攻擊的會有這個圖示 以圖片網址來判定
//<td class="missionFleet">
//<img src="http://gf1.geo.gfsrv.net/cdn9a/cd360bccfc35b10966323c56ca8aac.gif" class="tooltipHTML" title="">
//</td>
$img = $td_dom->getElementsByTagName('img')->item(0);
$icon_source = $img->attributes->getNamedItem('src')->nodeValue;
if ($icon_source == "http://gf1.geo.gfsrv.net/cdn9a/cd360bccfc35b10966323c56ca8aac.gif") {
$isTDAttackEvent = true;
} else {
if ($icon_source == "http://gf2.geo.gfsrv.net/cdnad/87d615c4fb395b75ec902b66b7757e.gif") {
$isTDAttackEvent = true;
$isGroupAttackEvent = true;
echo "AttackDetector: This is a group attack event. Withdraw fleets whatever.\n";
} else {
echo "AttackDetector: This is not an known attack event. ";
echo "Check if is attack event. Icon Source = " . $icon_source . "\n";
}
}
} else {
if ($td_class_value == "detailsFleet") {
$span_dom = $td_dom->getElementsByTagName('span')->item(0);
$total_fleets_count = $span_dom->textContent;
//一定要拿掉三位撇 否則會錯
//"6,643" <= 20 = true (錯誤結果)
//"6643" <= 20 = false
echo "total_fleets_count before trim: " . $total_fleets_count . "\n";
$total_fleets_count = GlobalFunc::strToIntByTakeCommaOff($total_fleets_count);
echo "total_fleets_count after trim: " . $total_fleets_count . "\n";
/*if($total_fleets_count <= $this->Config['ThreatenCount']){
echo "\n================= Ignore Attack ==================\n";
echo "\nFleets count Total(".$total_fleets_count.") <= Threshold(".$this->Config['ThreatenCount']."), no big deal. Ignore the attack.\n";
echo "AttackDetector: Attack arrive after ". $left_arrive_time . " seconds.\n";
echo "\n==================================================\n";
break;
}else{
echo "AttackDetector: This attack is dangerous, hide fleets.\n";
}*/
} else {
if ($td_class_value == "icon_movement") {
//確認該船隊是否為前往狀態
//icon_movement存在表示艦隊正在前往
$isTDEventOver = false;
//取得eventFleetStr
$eventFleetStr = EscapeFilter::getEventFleetStr($td_dom);
} else {
if ($td_class_value == "destFleet") {
//找出被攻擊的星球type
$dest_type = GlobalFunc::getTargetTypeByTdDom($td_dom);
if ($dest_type != $PLANET[3]) {
//打的不是本Planet(type不一樣)
$isTDAttackEvent = false;
}
} else {
if ($td_class_value == "destCoords") {
//取得目的地星球座標
//<td class="destCoords">
//<a href="http://s113-tw.ogame.gameforge.com/game/index.php?page=galaxy&galaxy=1&system=79" target="_top">
//[1:79:10]
//</a>
//</td>
$a_dom = $td_dom->getElementsByTagName('a')->item(0);
$dest_coord_string = trim($a_dom->textContent);
$dest_coord_string = substr($dest_coord_string, 1, strlen($dest_coord_string) - 2);
// trim notation '[]'
$dest_coord = explode(":", $dest_coord_string);
//echo "dest_coord_string = ".$dest_coord_string;
//var_dump($dest_coord);
//echo PHP_EOL;
}
}
}
}
}
}
//取得目標的type
$dest_coord[3] = $dest_type;
if ($isTDAttackEvent && !$isTDEventOver) {
//確定該星球正在被攻擊 且 攻擊船隊是前往的狀態
if (GlobalFunc::isCoordinateMatch($dest_coord, $PLANET)) {
//判斷威脅性 若此event沒有威脅性 則coninue
$p_coord_text = GlobalFunc::getCoordTextWithType($PLANET);
//是聯合攻擊的話 不管怎樣直接逃
if ($isGroupAttackEvent == false) {
$isThreaten = EscapeFilter::escapeIfThreatenFilter($total_fleets_count, $eventFleetStr, EscapeFilter::getEscapeList(), $p_coord_text);
if ($isThreaten != true) {
//不具威脅性
echo "================================= Ignore Attack =================================\n";
echo iconv("UTF-8", "big5//IGNORE", "\n此攻擊(arrive_time:{$arrive_time})(目標:{$p_coord_text}) 不具威脅性 忽略.\n");
echo "\n================================= Ignore Attack =================================\n";
continue;
}
}
//宣告該星球是被攻擊的星球
echo "AttackDetector: [{$dest_coord['0']}:{$dest_coord['1']}:{$dest_coord['2']}]({$dest_coord['3']}):\n";
echo "final_arrive_time: ";
var_dump($final_arrive_time);
if (strcmp($final_arrive_time, "0") == 0) {
$final_arrive_time = $arrive_time;
echo "Attack arrive time is updated, after," . $left_arrive_time . " s.\n";
} else {
//之前已經有一個攻擊被偵測到了了
//之前被偵測到的攻擊 還剩幾秒鐘會到?
$latest_attack_left_arr_time = GlobalFunc::timeFromNowInSecond($final_arrive_time, true);
//這次攻擊抵達的時間 一定要 比之前檢查到的晚到(因為對方伺服器給的資料有照時間順序排序)
//所以如果 attack_interval < 0 表示有error
$attack_interval = $left_arrive_time - $latest_attack_left_arr_time;
if ($attack_interval < 0) {
echo "\n!!!!!!!!!!!!! error !!!!!!!!!!!!!!\n";
echo "attack_interval = " . $attack_interval . "\n";
echo "There must be some error happened.\n";
echo "\n!!!!!!!!!!!!! error !!!!!!!!!!!!!!\n";
}
//確認attack interval是否太近 會造成危險
//若太接近則視為同一起攻擊事件,
// 取最晚到的攻擊做為final_arrive_time
//但 取最早到的攻擊做為判斷船隻是否需要撤離的條件
//(只要 $final_arrive_time 不為0, 船隻就會被送走)
echo "{$attack_interval}: " . $attack_interval . " CAttackPvtInterval: " . $this->Config['CAttackPvtInterval'] . "\n";
if ($attack_interval < $this->Config['CAttackPvtInterval']) {
$final_arrive_time = $arrive_time;
echo "Second Attack is detected, arrive time is updated, after " . $left_arrive_time . " sec.\n";
} else {
echo "Second Attack is detected, it's too far from the preceding ones.\n";
}
}
}
}
}
} else {
echo "AttackDetector: [" . $PLANET[0] . ":" . $PLANET[1] . ":" . $PLANET[2] . "](" . $PLANET[3] . ") ";
echo " No Attack Detected.\n";
}
echo "AttackDetector: [" . $PLANET[0] . ":" . $PLANET[1] . ":" . $PLANET[2] . "](" . $PLANET[3] . ") ";
echo "Detecting finished.\n";
return $final_arrive_time;
}