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| - | ====== Online CometQL command line ====== | + | <rst>EN::005-Troubleshooting::001-Checking the hosting for possible connect to the comet server</rst> |
| + | <rst>Header: Checking the hosting for possible connect to the comet server</rst> | ||
| - | Located in the lower right corner of the screen on all pages of this site. | + | ====== Checking the hosting for possible connect to the comet server ====== |
| - | The source code for the backend of the command line part, see [[https://github.com/CppComet/CometQL-cli|on github]]. It is not very complex and quite suitable as an example of using CometQL in PHP | + | |
| + | Some hosting providers have a ban on external connections, this is often found on free or very cheap hosting. Many hosters warn about restrictions at once but not everywhere. | ||
| + | |||
| + | To work with the CppComet service, your hoster needs support for working with sockets and there is no ban on external connections. These features are found in most paid hosting providers. | ||
| + | |||
| + | |||
| + | To check the hosting for prohibiting external connections, download this script and run it on your hosting. | ||
| + | <file php testHosting.php> | ||
| + | <?php | ||
| + | header('Content-Type: text/html; charset=utf-8'); | ||
| + | |||
| + | ini_set('display_errors','on'); | ||
| + | error_reporting(E_ALL); | ||
| + | |||
| + | $resTest = Array(); | ||
| + | $f = fsockopen("app.comet-server.ru", 80,$e1,$e2); | ||
| + | if(!$f) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "Could not create connection to app.comet-server.ru: error code:".$e1."(".$e2.")", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $str1 = "GET / HTTP/1.1\r\nHost: app.comet-server.ru\r\n\r\n"; | ||
| + | if( fputs($f, $str1, strlen($str1) ) === false) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "fputs error on app.comet-server.ru", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $tmp = fgets($f); | ||
| + | $resTest[] = Array("info" => "OK", "error" => false); | ||
| + | } | ||
| + | } | ||
| + | |||
| + | $f = fsockopen("googl.com", 80,$e1,$e2); | ||
| + | if(!$f) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "Could not create a connection to googl.com: error code:".$e1."(".$e2.")", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $str1 = "GET / HTTP/1.1\r\nHost: googl.com\r\n\r\n"; | ||
| + | if( fputs($f, $str1, strlen($str1) ) === false) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "fputs error on googl.com", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $tmp = fgets($f); | ||
| + | $resTest[] = Array("info" => "OK", "error" => false); | ||
| + | } | ||
| + | } | ||
| + | |||
| + | $f = fsockopen("yandex.ru", 80,$e1,$e2); | ||
| + | if(!$f) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "Failed to create connection to yandex.ru: error code:".$e1."(".$e2.")", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $str1 = "GET / HTTP/1.1\r\nHost: yandex.ru\r\n\r\n"; | ||
| + | if( fputs($f, $str1, strlen($str1) ) === false) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "fputs error on yandex.ru", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $tmp = fgets($f); | ||
| + | $resTest[] = Array("info" => "OK", "error" => false); | ||
| + | } | ||
| + | } | ||
| + | |||
| + | $link = mysqli_connect("app.comet-server.ru", "15", "lPXBFPqNg3f661JcegBY0N0dPXqUBdHXqj2cHf04PZgLHxT6z55e20ozojvMRvB8", "CometQL_v1"); | ||
| + | if(!$link) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "Could not create a connection with CometQL (Using CometQL is not possible)", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | |||
| + | $result = mysqli_query ( $link, "show status" ); | ||
| + | if(mysqli_errno($link) != 0 && @mysqli_num_rows($result)) | ||
| + | { | ||
| + | $resTest[] = Array("info" => "<b>Error code:<a href='https://comet-server.ru/wiki/doku.php/en:comet:cometql:error' target='_blank' >".mysqli_errno($link)."</a>  Error text:<a href='https://comet-server.ru/wiki/doku.php/en:comet:cometql:error' target='_blank' >".mysqli_error($link)."</a></b>", "error" => true); | ||
| + | } | ||
| + | else | ||
| + | { | ||
| + | $resTest[] = Array("info" => "OK", "error" => false); | ||
| + | } | ||
| + | } | ||
| + | |||
| + | ?> | ||
| + | |||
| + | <!DOCTYPE HTML> | ||
| + | <html> | ||
| + | <head> | ||
| + | </head> | ||
| + | <body> | ||
| + | |||
| + | <h1>Hosting check</h1> | ||
| + | |||
| + | <?php | ||
| + | if($resTest[0]["error"]){ echo "<b style='color:#F77;' >";}else{echo "<b style='color:#494;' >";} | ||
| + | echo $resTest[0]["info"]."</b><br>\n"; | ||
| + | |||
| + | if($resTest[1]["error"]){ echo "<b style='color:#F77;' >";}else{echo "<b style='color:#494;' >";} | ||
| + | echo $resTest[1]["info"]."</b><br>\n"; | ||
| + | |||
| + | if($resTest[2]["error"]){ echo "<b style='color:#F77;' >";}else{echo "<b style='color:#494;' >";} | ||
| + | echo $resTest[2]["info"]."</b><br>\n"; | ||
| + | |||
| + | if($resTest[4]["error"]){ echo "<b style='color:#F77;' >";}else{echo "<b style='color:#494;' >";} | ||
| + | echo $resTest[3]["info"]."</b><br>\n"; | ||
| + | ?> | ||
| + | |||
| + | </body> | ||
| + | </html> | ||
| + | </file> | ||