PHP技术进阶 PHP SOCKET 技术研究

////////////////////////////// File Description //////////////////////////////////////////
//  Class Name            : socket
//  Version               : V1.0
//  Functional Outline    : create socket,and send message to server
//  Revision history      : 2004/12/15 First version created
//  Current               : 2004/12/15 Liu Yongsheng
//////////////////////////////////////////////////////////////////////////////////////////
class socket{
 var $socket; //socket 句柄
 var $sendflag=">>>";
 var $recvflag="<<<";
 var $response;
 var $debug=1;
 function socket($hostname,$port){
  $address=gethostbyname($hostname);
  $this->socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
     $result=  socket_connect($this->socket,$address,$port);
  if($this->debug==1){
   if ($result < 0) {
      echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "<br>";
   } else{
      echo "connect OK.<br>";
   }
  }  
 }
 function sendmsg($msg){
  socket_write($this->socket,$msg,strlen($msg));
  $result =socket_read($this->socket,100);
  $this->response=$result;
  if($this->debug==1){
      printf("<font color=#CCCCCC>%s $msg</fon><br>",$this->sendflag);
      printf("<font color=blue>%s $result</font><br>",$this->recvflag);
  }
        return $result;
 }
 function close(){
  socket_close($this->socket);
 }

}