2017-10-06 32 views
0

我正在製作一個PHP套接字服務器,但無法讓我的服務器讀取套接字。你如何讓你的PHP服務器讀取你剛創建的套接字?

$this->log("Creating socket (please wait)..."); 

    $this->socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); 
    if(socket_bind($this->socket, "127.0.0.1", 8080) === false){ 
     $this->log("Failed to bind socket to port (8080)"); 
     exit(); 
    } 
    socket_listen($this->socket, 5); 

    if(!is_resource($this->socket)){ 
     $this->log("Socket isn't a resource. Something went wrong, exiting."); 
     exit(); 
    } 

    $this->log("Socket created, creating socket reader..."); 
    $this->socketReader = new SocketReader($this); 

    $this->log("server started"); 

    //socket should be non-blocking 
    socket_set_nonblock($this->getSocket()); 

    //called every 10000 microseconds to read socket (error line here) 
    public function process(){ 
     $buffer = socket_read($this->getSocket(), 128); 
     var_dump($buffer);, 
    } 

我得到的錯誤是:

`Warning: socket_read(): unable to read from socket [57]: Socket is not connected` when calling proccess(). 

這是爲什麼?套接字已成功創建,但在嘗試讀取潛在傳入數據時發生錯誤。

+0

您必須調用'socket_accept()'返回連接到傳入連接的新套接字。 – Barmar

+0

@Barmar如果我打電話,服務器會凍結。如果我調用set_non_block,它將返回false。我不希望服務器等待連接,只是被動地在tick上檢測到它們。 – captincrunch

+0

使其非阻塞,並定期調用'socket_accept'。如果它返回false,則沒有連接要處理。當它返回一個資源時,你可以從中讀取。 – Barmar

回答

0

您需要撥打socket_accept()以獲取傳入連接的新套接字,然後從中讀取。

//called every 10000 microseconds to read socket 
public function process(){ 
    $connection = socket_accept($this->getSocket()); 
    if ($connection) { 
     socket_set_nonblock($connection); 
     $buffer = socket_read($connection, 128); 
     var_dump($buffer); 
     socket_close($connection); 
    } 
} 
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