以下のコードを含むphp cliソケットサーバーがあります。クライアントが接続してリクエストを送信する
<?php
// PHP SOCKET SERVER
error_reporting(E_ERROR);
// Configuration variables
$host = "127.0.0.1";
$port = 5600;
$max = 500;
$client = array();
// No timeouts, flush content immediatly
set_time_limit(0);
ob_implicit_flush();
// Server functions
function rLog($msg){
$msg = "[".date('Y-m-d H:i:s')."] ".$msg;
echo($msg."\n");
}
// Create socket
$sock = socket_create(AF_INET,SOCK_STREAM,0) or die("[".date('Y-m-d H:i:s')."] Could not create socket\n");
// Bind to socket
socket_bind($sock,$host,$port) or die("[".date('Y-m-d H:i:s')."] Could not bind to socket\n");
// Start listening
socket_listen($sock) or die("[".date('Y-m-d H:i:s')."] Could not set up socket listener\n");
rLog("Server started at ".$host.":".$port);
// Server loop
while(true){
socket_set_block($sock);
// Setup clients listen socket for reading
$read[0] = $sock;
for($i = 0;$i<$max;$i++){
if($client[$i]['sock'] != null)
$read[$i+1] = $client[$i]['sock'];
}
// Set up a blocking call to socket_select()
$ready = socket_select($read,$write = NULL, $except = NULL, $tv_sec = NULL);
// If a new connection is being made add it to the clients array
if(in_array($sock,$read)){
for($i = 0;$i<$max;$i++){
if($client[$i]['sock']==null){
if(($client[$i]['sock'] = socket_accept($sock))<0){
rLog("socket_accept() failed: ".socket_strerror($client[$i]['sock']));
}else{
rLog("Client #".$i." connected");
}
break;
}elseif($i == $max - 1){
rLog("Too many clients");
}
}
if(--$ready <= 0)
continue;
}
for($i=0;$i<$max;$i++){
if(in_array($client[$i]['sock'],$read)){
$input = socket_read($client[$i]['sock'],1024);
if($input){
rLog("Client ".$i." Call:".$input.")");
## <<<<<<<<<<< Clients Request Show Here >>>>>>>>>>>> ##
## <<<<<<<<<<< Clients Request Show Here >>>>>>>>>>>> ##
## <<<<<<<<<<< Clients Request Show Here >>>>>>>>>>>> ##
## <<<<<<<<<<< Clients Request Show Here >>>>>>>>>>>> ##
## <<<<<<<<<<< Clients Request Show Here >>>>>>>>>>>> ##
}
}
}
}
// Close the master sockets
socket_close($sock);
?>
質問:
- php cli ソケット サーバーに接続されているクライアントの IP アドレスを検出するにはどうすればよいですか?