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/home/egg.eemo.co.kr/public_html/super5/test_sock5.php

<?
error_reporting(E_ALL && ~E_NOTICE);

/* Allow the script to hang around waiting for connections. */
set_time_limit(0);

/* Turn on implicit output flushing so we see what we're getting as it comes in. */
ob_implicit_flush();

$address = '0.0.0.0';

$port = 9090;

// create a streaming socket, of type TCP/IP
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);

socket_bind($sock, $address, $port);

socket_listen($sock);

// create a list of all the clients that will be connected to us..
// add the listening socket to this list
$clients = array($sock);

include_once("lib.php");

while (true)
{
    // create a copy, so $clients doesn't get modified by socket_select()
    $read = $clients;
    $write = null;
    $except = null;

// get a list of all the clients that have data to be read from
    // if there are no clients with data, go to next iteration
	
    if (socket_select($read, $write, $except, 1000) < 1)
        continue;

// check if there is a client trying to connect
    if (in_array($sock, $read))
    {
        $clients[] = $newsock = socket_accept($sock);

//socket_write($newsock, "There are ".(count($clients) - 1)." client(s) connected to the server\n");

echo "now ".(count($clients) - 1)." clients connected\n";

socket_getpeername($newsock, $ip, $port);
        echo "New client connected: ip : {$ip} , port : {$port}\n";

$key = array_search($sock, $read);
        unset($read[$key]);
    }

// loop through all the clients that have data to read from
    foreach ($read as $read_sock)
    {
        // read until newline or 1024 bytes
        // socket_read while show errors when the client is disconnected, so silence the error messages
        $data = @socket_read($read_sock, 4096);

// check if the client is disconnected
        if ($data == null)
        {
            // remove client for $clients array
            $key = array_search($read_sock, $clients);
            unset($clients[$key]);
            echo "client disconnected. sock id : {$read_sock}\n";
			socket_close($read_sock);
            continue;
        }

$data = trim($data);

if (!empty($data))
        {
			$db=mysql_connect("localhost","root","web!@#") or die(mysql_error());
			mysql_select_db("egg") or die(mysql_error());

echo " receive data : {$data} , from sock id : $read_sock\n";

$json_dec=json_decode($data);

//echo $json_dec->TRAID."\n";

//$rs_wifi=RS("select * from wifi_device where vcode='{$json_dec->REPID}' ");
			$rs_sens=RS("select * from farm_sensor where vcode='{$json_dec->LOGID}' ");
			$rs_wifi=RS("select * from wifi_device where vcode='{$rs_sens[wifi_code]}' ");
			$rs_dong=RS("select * from farm_dong_info where no='{$rs_sens[dong_no]}' ");
			$rs_farm=RS("select * from farm where no='{$rs_sens[farm_no]}' ");

//echo "farm_code : ".$rs_wifi[farm_code]."\n";

$query="insert into iot_raw 
						set 
							traid='{$json_dec->TRAID}',
							repid='{$json_dec->REPID}',
							logid='{$json_dec->LOGID}',
							tstamp='{$json_dec->TIME}',
							bat='{$json_dec->BAT}',
							rssi='{$json_dec->RSSI}',
							snr='{$json_dec->SNR}',
							power='{$json_dec->POWER}',
							temp='{$json_dec->TEMP}',
							humi='{$json_dec->HUMI}',
							adc_data='{$json_dec->ADC}',
							firm='{$json_dec->FIRM}',
							err_code='{$json_dec->ERR}',
							farm_code='{$rs_farm[farm_code]}',
							farm_no='{$rs_farm[no]}',
							wifi_code='{$rs_sens[wifi_code]}',
							wifi_no='{$rs_wifi[no]}',
							dong_code='{$rs_dong[dong_code]}',
							dong_no='{$rs_dong[no]}',
							sensor_code='{$rs_sens[sensor_code]}',
							sensor_no='{$rs_sens[no]}',
							sensor_type='{$rs_sens[sensor_type]}',
							blackout_data='{$json_dec->POWER}',
							regdate=now() 
					";

//echo $query;

$logfile="/home/nonga.eemo.co.kr/public_html/www/sock_log/".date('Y-m-d_H').".txt";
			$fp=fopen($logfile,"a+");
			$qrystr="\nENCOODE : ".$data. " [".date('Y-m-d H:i:s')."]\nQUERY : \ntraid='{$json_dec->TRAID}',repid='{$json_dec->REPID}',logid='{$json_dec->LOGID}',tstamp='{$json_dec->TIME}',bat='{$json_dec->BAT}',rssi='{$json_dec->RSSI}',snr='{$json_dec->SNR}',power='{$json_dec->POWER}',temp='{$json_dec->TEMP}',humi='{$json_dec->HUMI}',adc_data='{$json_dec->ADC}',firm='{$json_dec->FIRM}',err_code='{$json_dec->ERR}',farm_code='{$rs_farm[farm_code]}',farm_no='{$rs_farm[no]}',wifi_code='{$rs_wifi[wifi_code]}',wifi_no='{$rs_wifi[no]}',dong_code='{$rs_dong[dong_code]}',dong_no='{$rs_dong[no]}',sensor_code='{$rs_sens[sensor_code]}',sensor_no='{$rs_sens[no]}',sensor_type='{$rs_sens[sensor_type]}',blackout_data='{$json_dec->POWER}'\n\n";
			fwrite($fp,$qrystr);
			fclose($fp);

if($json_dec->TRAID) {
				mysql_query($query) or die(mysql_error());
				
				$is_rs=RS("select * from iot_now where farm_no='{$rs_farm[no]}' and dong_no='{$rs_dong[no]}' ");

if($rs_sens[sensor_type]==1) {
				
					$query="update farm_sensor 
							set 
								now_temper_value='{$json_dec->TEMP}',	
								now_humi_value='{$json_dec->HUMI}',
								sens_uptime=now()
							where no='{$rs_sens[no]}'  
						";
					mysql_query($query) or die(mysql_error());

} else {
					$query="update farm_sensor 
							set 
								now_anal_value='{$json_dec->ADC}',	
								sens_uptime=now()
							where no='{$rs_sens[no]}'  
						";
					mysql_query($query) or die(mysql_error());
				}
				
				
	
			}

$rst=array();
			$rst['TRAID']=$json_dec->TRAID;
			$rst['MSG']="OK";
			$enc=json_encode($rst);

// do sth..

// send some message to listening socket
			$response_data=$enc;
			socket_write($read_sock, $response_data, strlen($response_data));

// send this to all the clients in the $clients array (except the first one, which is a listening socket)
            foreach ($clients as $send_sock)
            {
                if ($send_sock == $sock)
                    continue;

/*$response_data2="abcdef";

socket_write($send_sock, $response_data2, strlen($response_data2));
				echo "we send sock id is {$send_sock}, message : {$response_data2} \n";
				*/

} // end of broadcast foreach

mysql_close($db);
			//socket_close($read_sock);
        }

} // end of reading foreach
}

// close the listening socket
socket_close($sock);
?>