PHP5 下使用IPC 不能用的問題

Error Message:

• PHP Fatal error: Call to undefined function msg_get_queue() in /var/www/html/send.php
• 檢查 /usr/lib/php/modules/ 缺
  
  • sysvmsg.so
  • sysvshm.so
  • sysvsem.so

Version:

• PHP 5.2.9 (cli) (built: Apr 15 2009 09:30:33)

Fix:

• yum install php-process

Recv:

<?php
  $MSGKEY = 519051; // Message

  $msg_id = msg_get_queue ($MSGKEY, 0600);

  while (1) {
      if (msg_receive ($msg_id, 1, $msg_type, 16384, $msg, true, 0, $msg_error)) {
          if ($msg == 'Quit') break;
          echo "$msg\n";
      } else {
          echo "Received $msg_error fetching message\n";
          break;
      }
  }

  msg_remove_queue ($msg_id);
?>

Send:

<?php
if ( sizeof($argv)<2 ) {
      echo "Usage: $argv[0] stat|send|receive|remove msgType MSG [msg] \n\n" ;
      echo "   EX: $argv[0] send 1 \"This is no 1\" \n" ;
      echo "       $argv[0] receive ID \n" ;
      echo "       $argv[0] stat \n" ;
      echo "       $argv[0] remove \n" ;
      exit;
}

$MSGKey = "519051" ;

## Create or attach to a message queue
$seg = msg_get_queue($MSGKey) ;

switch ( $argv[1] ) {
  case "send":
      msg_send($seg, $argv[2], $argv[3]);
      echo "msg_send done...\n" ;
      break;

  case "receive":
      $stat = msg_stat_queue( $seg );
      echo 'Messages in the queue: '.$stat['msg_qnum']."\n";
      if ( $stat['msg_qnum']>0 ) {
          msg_receive($seg, $argv[2], $msgtype, 1024, $data);
          var_dump($msgtype);
          var_dump($data);
          echo "\n";
      }
      else {
          echo "No Msg...\n";
      }
      break;

  case "stat":
    print_r( msg_stat_queue($seg) );
      break;

  case "remove":
      msg_remove_queue($seg);
      break;
}
?>

Reference:

• http://tw.php.net/manual/en/function.msg-receive.php