与fgets（）超时

Question

我有一个问题与基于笨的应用程序我建设的一部分。

我必须连接到远程服务器，并有一个合理的一整套详细的约如何打开一个套接字，发送一些XML数据和接收响应第三方指令 - 在VB脚本。我已经将它翻译成下面的PHP代码。目前，根据我的日志，数据正在写入服务器（日志输出如下所示）。然而，代码中的fgets（）部分似乎是超时的，没有任何错误或任何东西......使得调试非常困难。

从我读到的关于fsockopen()和fgets()，下面应该工作，但显然它不。问题在于没有错误消息等等，我在如何调试时遇到了一些问题。

我将不胜感激，如果任何人谁拥有一个备用分钟能超过它投了眼睛只是为了看看，如果我犯了一个明显的错误（或确认我在做什么是正确的这个问题）。

下面的代码（我不得不空出它的一些遗憾）。

public function makeBooking($orderId) { 

    // get entire XML file as a string 
    $xmlString = $this->getXmlString(); 

    // replace non-alphanumeric characters 
    $xmlString = $this->replaceChars($xmlString); 

    // get length of xml string 
    $xmlStrCount = mb_strlen($xmlString) + 7; 

    // attempt to open socket 
    $fp = fsockopen('xxx.xx.xxx.xx', '81', $errno, $errstr, 10); 

    if (!$fp) { 

     // couldn't open socket 
     log_message('ERROR', "*** Couldn't open socket: $errno $errstr " . ' | line ' . __LINE__ . ' of ' . __FILE__); 

    } else { 

     log_message('DEBUG', "*** Socket open, connected to remote server "); 

     $lf = chr(13).chr(10); 

     // opened socket, prepare output 
     $output = '"POST xxxxxxxxxxxx.asp HTTP/1.0"' . $lf; 
     $output .= '"Accept: */*"' . $lf;            
     $output .= '"User-Agent: xxxxxxxxxxx_socket/1.0";' . $lf; 
     $output .= '"Content-type: application/x-www-form-urlencoded";' . $lf; 
     $output .= '"Content-length: ' . $xmlStrCount . '";' . $lf; 
     $output .= '""' . $lf; 
     $output .= '"xml_in='.$xmlString.'"'; 

     // attempt to write output 
     $result = fwrite($fp, $output); 
     log_message('DEBUG', "*** Bytes written: $result " . ' | line ' . __LINE__ . ' of ' . __FILE__); 
     if($result) { 
      log_message('DEBUG', "*** Wrote output:$lf$lf$output$lf"); 
     } else { 
      log_message('ERROR', "*** Failed to write output:$lf$lf$output$lf"); 
     } 


     // read data from server until no more responses are sent    
     // while (!feof($fp)) { 
     if(!feof($fp)) { 
      log_message('DEBUG',"*** Requesting line 1 from remote server"); 
      //$line = fgets($fp); 
      $line = fgets($fp); 
      if($line) { 
       log_message('DEBUG',"*** Retreived line 1: " . print_r($line,TRUE)); 
      } else { 
       log_message('ERROR',"*** Could not retreive line 1"); 
      } 
     } 
     fclose($fp); 
     log_message('DEBUG',"*** Closed connection to remote server"); 
    } 

} 

日志。很显然，我已经解释了相关的结果。我截断了URL编码的XML数据：

DEBUG - 2012-09-21 14:50:01 --> *** Socket open, connected to remote server 
DEBUG - 2012-09-21 14:50:01 --> *** Bytes written: 8801 | line 57 
DEBUG - 2012-09-21 14:50:01 --> *** Wrote output: 

"POST xxxxxxxxxxxx.asp HTTP/1.0" 
"Accept: */*" 
"User-Agent: xxxxxxxxxxxxx_socket/1.0"; 
"Content-type: application/x-www-form-urlencoded"; 
"Content-length: 8630"; 
"" 
"xml_in=%26lt%3B%3Fxml+version%3D%26quot%3B1.0%26quot%3B..." 
DEBUG - 2012-09-21 14:50:01 --> *** Requesting line 1 from remote server 
ERROR - 2012-09-21 14:51:01 --> *** Could not retreive line 1 
DEBUG - 2012-09-21 14:51:01 --> *** Closed connection to remote server 

任何有关在哪里寻找的想法将不胜感激。

-------------- --------------编辑

只是柜面任何人碰到这个线程绊倒了类似的问题，这里的我就是这样做到底，根据Robbie的建议：

public function createBooking($orderId) { 

    // http://php.net/manual/en/book.curl.php 

    // get entire XML file as a string 
    $xmlString = $this->getXmlString(); 

    // replace non-alphanumeric characters - can't use htmlentities or htmlspecialchars 
    // because remote server uses different codes 
    $xmlString = $this->replaceChars($xmlString); 

    // get length of xml string 
    $xmlStrCount = mb_strlen($xmlString) + 7; 

    // prepare output 
    $lf = chr(13).chr(10); 
    $output = '"Accept: */*"' . $lf;            
    $output .= '"User-Agent: xxxxx_socket/1.0";' . $lf; 
    $output .= '"Content-type: application/x-www-form-urlencoded";' . $lf; 
    $output .= '"Content-length: ' . $xmlStrCount . '";' . $lf; 
    $output .= '""' . $lf; 
    $output .= '"xml_in='.$xmlString.'"'; 

    // set curl options 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_URL,"http://xxxxx:xx/xxxxx.asp"); 
    curl_setopt($ch, CURLOPT_POST, 1); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $output); 
    // Request the header information in the response. 
    curl_setopt($ch,CURLOPT_HEADER,true); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 

    // Now execute the query 
    $response = curl_exec ($ch); 
    if(!$response) { 
     log_message('ERROR', "*** Curl error: " . curl_error($ch) . ' | line ' . __LINE__ . ' of ' . __FILE__); 
     show_error(DEFAULT_ERR_MSG); 
    } 
    curl_close ($ch); 



    // Response is the data. 
    $aLines = explode("\n", $response); // Splits the resposne into an array so you can process individual lines. 
    // etc 

    print_r($aLines); 

} 

Answer 1

不知道错误的，但你需要while (!$feof($fp))，而不是“如果” - 的同时，将循环，直到你得到所有的答复。这仍然没有解决您的问题，所以......

如果实现使用curl您可能会发现更容易些。更短，更整洁，也更容易调试。 http://php.net/manual/en/book.curl.php

<?php 

$ch = curl_init(); 

// Set the various options. replace the xxxx's 
curl_setopt($ch, CURLOPT_URL,"xxxxxxxxxxxx.asp"); 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt($ch, CURLOPT_POSTFIELDS, 'xml_in=' . $xmlString); 
curl_setopt($ch,CURLOPT_USERAGENT,'xxxxxxxxxxx_socket/1.0'); 

// Request the header information in the response. You're example gets the header, but you may not need it, so change to false if not 
curl_setopt($ch,CURLOPT_HEADER,true); 

// Now execute the query 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
$response = curl_exec ($ch); 
curl_close ($ch); 

// Response is the data. 
$aLines = explode("\n", $response); // Splits the resposne into an array so you can process individual lines. 
// etc 

?>