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File "index_t.php"

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Charset: utf-8

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<?php


$data_dir = "./data/";

//$fp2 = fopen("test_20170920.txt", "a");
//fwrite($fp2, $_GET[data] ."\n");
//fclose($fp2);

$res = data_decode($_GET[data]);

echo $res ? 'OK' : 'ERROR';

exit;

$DATA_TABLE = "wave_height.data_01_log";
$HOST = "192.168.100.153";
$DB = "arduino";
$USER = "postgres";
$PASS = "postgres";

//================================================
//	データベース接続
//	備考		：	
//	更新		：	2013/03/12 KMK-Yokosuka
//================================================
$conn = pg_connect("
	host	=	". $HOST. "
	dbname	=	". $DB. "
	user	=	". $USER. "
	password=	". $PASS. "
");

// データのデコード
function data_decode($data) {
	// 最初に保存ファイル名を取得しておく（ファイルが存在しなかったらヘッダーを作成）
	$dname = $GLOBALS["data_dir"] . date("Ym") . "/";
	$fname = $dname . date("Ymd") . ".csv";
	
	if (!file_exists($dname)) {
		if (!create_data_directory($dname)) {
			return false;
		}
	}
	if (!file_exists($fname)) {
		if (!create_csv_header($fname)) {
			return false;
		}
	}
	
	// データを日付とデータ部に分割
	$datas = split(',', $data);
	if (count($datas) != 2) {
		return false;
	}
	
	// データ部をBase64URLデコード
	$bytes = base64_url_decode($datas[1]);
	if (!$bytes) {
		return false;
	}
	
	// Base64URLデコード文字列をfloat配列に変換
	$floats = binary_to_floats($bytes);
	if (!$floats) {
		return false;
	}
	
	// CSVファイルに書き出し
	if (!write_csv($fname, date("Y/m/d H:i:s"), $datas[0], $floats)) {
		return false;
	}
	
	return true;
}

// データディレクトリの作成
function create_data_directory($dname) {
	if (!mkdir($dname, 0755, true)) {
		return false;
	}
	
	return true;
}

// CSVファイルとヘッダーの作成
function create_csv_header($fname) {
	$fp = fopen($fname, "w");
	if (!$fp) {
		return false;
	}
	fwrite($fp, "[DataTime],date,time,roll,pitch,yaw,ax,ay,az,lat,lng,meters\n");
	fclose($fp);
	
	return true;
}

// Base64URLデコード
function base64_url_decode($val) {
	$str = str_replace(array('_', '-', '.'), array('+', '/', '='), $val);
	$amari = strlen($str) % 4;
	if ($amari > 0) {
		for ($i = 0; $i < $amari; $i++) {
			$str .= "=";
		}
	}
	
	$bytes = base64_decode($str);

	return $bytes;
}

// バイナリデータのfloat配列化
function binary_to_floats($bytes) {
	// $bytesをfloat単位で分割
	$len = strlen($bytes);
	if ($len % 4 != 0) {
		return false;
	}
	$floats = array();
	for ($i = 0; $i < $len; $i += 4) {
		$str = substr($bytes, $i, 4);
		$float = unpack('f', $str);
		array_push($floats, $float[1]);
	}
	if (count($floats) % 12 != 0) {
		return false;
	}
	return $floats;
}

// floatからdoubleを得る
function float_to_double($float1, $float2) {
	$double = unpack('d', pack('f2', $float1, $float2));
	return $double[1];
}


// CSVファイル書き出し
function write_csv($fname, $now, $datestr, $floats) {
	
$limit = 20;
$alarm_renge = 2;

//■内部文字エンコーディングを設定 
mb_internal_encoding("ISO-2022-JP");

//■警報メールの送信設定
//ヘッダー設定
$header  = "From: " ."Alert" ."<www@penta-02.ptgw.net>" ."\n";
$header .= "Reply-To: " ."Alert" ."<www@penta-02.ptgw.net>" ."\n";
//$header.= "Cc: " .$send_to1 ."," .$send_to2 ."\n";
//$header.= "Bcc: " ."'blue.puny@gmail.com'" ."\n";
$header .= "Content-Type: text/html;charset=ISO-2022-JP" ."\n";
$header .= "X-Mailer: myphpMail ". phpversion(). "\n";

//件名設定
$Subject = mb_convert_encoding("【警報】","ISO-2022-JP","UTF-8");

//本文設定

	
	
	
	// $datestrから対象となる基準日時を得る
	$t = strtotime(substr($datestr, 0, 4) . '-' . substr($datestr, 4, 2) . '-' . substr($datestr, 6, 2) . ' ' . substr($datestr, 8, 2) . ':' . substr($datestr, 10, 2) . ':' . substr($datestr, 12, 2));
	$len = count($floats);
	
	$fp = fopen($fname, "a");
	if (!$fp) {
		return false;
	}
	
	$fname = $dname . date("Ymd")  . "_debug.txt";
	
	$fp2 = fopen($fname, "a");
	fwrite($fp2, "------------------------------------------------------------------------------"."\n");
	
	
	$millisec = 0;
	$a[] = array();
	$b[] = array();
	$act = 0;
	
	
	$fp_t = ""
	
	for ($i = 0; $i < $len; $i += 12) {
		$lat = float_to_double($floats[$i + 6], $floats[$i + 7]);
		$lng = float_to_double($floats[$i + 8], $floats[$i + 9]);
		$meters = float_to_double($floats[$i + 10], $floats[$i + 11]);

		$date_str = date("Y/m/d", $t);
		$time_str = date("H:i:s", $t);
		
		$text = sprintf("[%s],%s,%s.%03d,%6.1F,%6.1F,%6.1F,%11.6F,%11.6F,%11.6F,%11.6F,%11.6F,%11.6F\n", $now, $date_str, $time_str, $millisec, $floats[$i], $floats[$i + 1], $floats[$i + 2], $floats[$i + 3], $floats[$i + 4], $floats[$i + 5], $lat, $lng, $meters);
		fwrite($fp, $text);

		$insert = "INSERT INTO ". $DATA_TABLE. " VALUES (" .$now ."," .$date_str ."," .$time_str ."," .$millisec ."," .$floats[$i] ."," .$floats[$i + 1] ."," .$floats[$i + 2] ."," .$floats[$i + 3] ."," .$floats[$i + 4] ."," .$floats[$i + 5] ."," .$lat ."," .$lng ."," .$meters .");";
		$res = pg_query($conn, $insert);

		$millisec += 200;
		if ($millisec % 1000 == 0) {
			$t += floor($millisec / 1000);
			$millisec -= (floor($millisec / 1000) * 1000);
		}
		

		//■■■Alarm処理
		if( $len > $i + 9)
		{
//			fwrite($fp2, "a1_==" .$floats[$i + 3]  ."\n");
//			fwrite($fp2, "a2_==" .$floats[$i + 9] ."\n");
			
			$a[$act] = number_format(($floats[$i + 3] / 100) * 9.81, 4, '.', '');
			$a[$act+1] =number_format(($floats[$i + 9] /100) * 9.81, 4, '.', '');
//			fwrite($fp2, "a1==" .$a[$act]."\n");
//			fwrite($fp2, "a2==" .$a[$act+1]."\n");
			if((($a[$act+1] - $a[$act]) > $limit) || (($a[$act+1] - $a[$act]) < -$limit)) $a[$act+1] = $a[$act];
			$act += 1;
		}
		
		$b[$act] = $date_str ." " .$time_str ."." .$millisec;
		
		
	}
	fclose($fp);
	
	//■■■Alarm処理
	$ac_data_ct = count($a);
	$sum_ = array_sum($a);
	$avg_ = number_format($sum_ / $ac_data_ct,4,"." ,"");
	
	fwrite($fp2,"count=" .$ac_data_ct."_______");
	fwrite($fp2,"sum_=" .$sum_."_______");
	fwrite($fp2,"avg_=" .$avg_."\n");
	
	
	$send_flag = 0;
	for($ii = 0;$ii < $ac_data_ct;$ii++)
	{
		//fwrite($fp2,$a[$ii] - $avg_."\n");
		$fn = $ii+1;
		fwrite($fp2,"a" .$fn ."=" .$a[$ii]  ."-" .$avg_ ."__");
		
		
		if($alarm_renge < ($a[$ii] - $avg_))
		{
			fwrite($fp2, $a[$ii] - $avg_ ."__________");
			
			//本文設定
			$message = "";
			$message = mb_convert_encoding("<center>" ."警報テスト" ."<BR><BR>","ISO-2022-JP","UTF-8");
			$message .= mb_convert_encoding("<center>" .$b[$ii] ."<BR><BR>","ISO-2022-JP","UTF-8");
			$message .= mb_convert_encoding("<center>" ."Value==" .$a[$ii] ."<BR><BR>","ISO-2022-JP","UTF-8");
			$message .= mb_convert_encoding("<center>" ."Average==" .$avg_ ."<BR><BR>","ISO-2022-JP","UTF-8");
			//$message .= wordwrap($message, 70);
			
			
			if($send_flag == 0)
			{
				//送信する
//				if(mb_send_mail("kikuchi.katsumi@gmail.com", $Subject , $message,$header))
//				{}
				
//				if(mb_send_mail("ansys.pnt543@gmail.com", $Subject , $message,$header))
//				{
//					fwrite($fp2,"send_OK");
//				}
				$send_flag = 1;
			}
		}
		fwrite($fp2,"\n");
	}
	fclose($fp2);
	
	return true;
}


?>

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