摘要：服務(wù)端可自定義方法供客戶端遠(yuǎn)程調(diào)用服務(wù)端遠(yuǎn)程調(diào)用函數(shù)參數(shù)順序數(shù)量變化不會(huì)導(dǎo)致客戶端服務(wù)端版本不兼容問題支持多種傳輸協(xié)議支持多種通訊方式阻塞非阻塞阻塞非阻塞等支持自定義傳輸協(xié)議引入接口高冷一定要高冷設(shè)計(jì)一定要高冷傳輸相關(guān)服務(wù)端非阻塞通訊端口

服務(wù)端可自定義方法供客戶端遠(yuǎn)程調(diào)用

服務(wù)端遠(yuǎn)程調(diào)用函數(shù)參數(shù)(順序,數(shù)量)變化, 不會(huì)導(dǎo)致客戶端服務(wù)端版本不兼容問題

支持多種傳輸協(xié)議 (protocolbuffer, msgpack, json, serialize)

支持多種通訊方式 (阻塞, 非阻塞, SSL阻塞, SSL非阻塞等)

支持自定義傳輸協(xié)議 (引入RpcProtocolInterface接口)

高冷, 一定要高冷, API設(shè)計(jì)一定要高冷

/**
 * 傳輸相關(guān)
 */
// 服務(wù)端非阻塞socket
class rpc_transport_server_socket
{
    protected $_port; //通訊端口
    final public function __construct(int $port){
        $this->_port = $port;
    }
}
// 客戶端阻塞socket
class rpc_transport_client_socket
{
    protected $_host; //通訊地址
    protected $_port; //通訊端口
    final public function __construct(string $host, int $port) {
        $this->_host = $host;
        $this->_port = $port;
    }
}
// 客戶端非阻塞socket
class rpc_transport_async_client_socket extends rpc_transport_client_socket
{
    // do something
}
// 傳輸層抽象類
abstract class rpc_transport
{
    protected $_timeout; //傳輸超時(shí), 支持浮點(diǎn)數(shù), 單位:sec
    protected $_socket; //傳輸句柄
    abstract public function on(string $event, mixed $callback);
}
// 服務(wù)端傳輸
class rpc_transport_server extends rpc_transport
{
    final public function __construct(rpc_transport_server_socket $socket, float $timeout){
        $this->_socket = $socket;
        $this->_timeout = $timeout;
    }
    public static function factory(int $port, float $timeout){
        $this->_socket = new rpc_transport_server_socket($port);
        $this->_timeout = $timeout;
    }
    public function on(string $event, mixed $callback){
        SERVER->on(string $event, mixed $callback);
    }
}
// 客戶端傳輸
class rpc_transport_client extends rpc_transport
{
    final public function __construct(rpc_transport_client_socket $socket, float $timeout){
        $this->_socket = $socket;
        $this->_timeout = $timeout;
    }
    public static function factory(string $host, int $port, float $timeout){
        $this->_socket = new rpc_transport_client_socket($host, $port);
        $this->_timeout = $timeout;
    }
}
// 客戶端傳輸
class rpc_transport_async_client extends rpc_transport
{
    final public function __construct(rpc_transport_async_client_socket $socket, float $timeout){
        $this->_socket = $socket;
        $this->_timeout = $timeout;
    }
    public static function factory(string $host, int $port, float $timeout){
        $this->_socket = new rpc_transport_async_client_socket($host, $port);
        $this->_timeout = $timeout;
    }
    public function on(string $event, mixed $callback){
        CLIENT->on(string $event, mixed $callback);
    }
}
/**
 *  協(xié)議相關(guān)
 */
//傳輸協(xié)議工廠類
class rpc_protocol
{
    protected $_transport = null; //傳輸
    protected $_protocol = null; //協(xié)議(protocolbuffer, msgpack, json, serialize)
    private function __construct($protocol, rpc_transport $transport = NULL){
        return self::factory($protocol, $transport);
    }
    public static function factory($protocol, rpc_transport $transport = NULL){
        if(!isset($transport)) {
            $this->_transport = $transport;
        }
        if(class_exists("rpc_protocol_" . $protocol)) {
            $this->_protocol = new "rpc_protocol_" . $protocol;
        }
        return $this;
    }
    public function getTransport(){
        return $this->_transport;
    }
    public function setTransport($transport){
        $this->_transport = $transport;
    }
    public function getProtocol(){
        return $this->_protocol;
    }
    public function setProtocol($protocol){
        $this->_protocol = $protocol;
    }
    public function pack($message) {
        return $this->_protocol->pack($message);
    }
    public function unpack($message){
        return $this->_protocol->unpack($message);
    }
}
//傳輸協(xié)議接口
interface rpc_protocol_interface
{
    public function pack($message);
    public function unpack($message);
}
//JSON傳輸協(xié)議(打個(gè)樣)
class rpc_protocol_json implements rpc_protocol_interface
{
    public function pack($message){
        ...
    }
    public function unpack($message){
        ...
    }
}
...
/**
 * 服務(wù)端
 */
// 服務(wù)端抽象類
abstract class rpc_server_service
{
    public function __call(){
        // do something
    }
}
// 服務(wù)端
class rpc_server
{
    final public function __construct(rpc_server_interface $server_interface, rpc_protocol $protocol);
}
/**
 * 客戶端
 */
// 客戶端
class rpc_client
{
    private $_protocol = null;
    public function __call(string $method, array $parameters){
        // call $server_interface
    }
    final public function __construct(rpc_protocol $protocol){
        $this->_protocol = $protocol;
    }
}    
//客戶端回調(diào)函數(shù)抽象類
abstract class rpc_async_client_callback
{
    private $_response = null;
    public function getResult() { 
        // 返回結(jié)果值
        return $this->_response; 
    } 
    public function onComplete($response){
        $this->_response = $response;
    }
    public function onError($error){
        throw new Exception($error);
    }
}
// 非阻塞客戶端
class rpc_async_client
{
    private $_protocol = null;
    private $_callback = null;
    public function __call(string $method, array $parameters){
        $callback = array_pop($parameters);
        $response = $this->_protocol->getTransport()->receive();
        $this->_protocol->getTransport()->on("complete", $callback->onComplete($response));
        $this->_protocol->getTransport()->on("error", $callback->onError($error));
    }
    final public function __construct(rpc_protocol $protocol){
        $this->_protocol = $protocol;
    }
}

// server
class server_hello extends rpc_server_service {
    public function hello($message) {
        echo $message;
    }
}
$service = server_hello();
$server_transport = new rpc_transport_server(8080, 0.1);
$server_transport->on("connect", function(){
    echo "Server:Connect.
";
});
$server_protocol = new rpc_protocol::factory("json", $server_transport);
$server = new rpc_server($server_protocol, $service);

$server->serve();

// client
$client_transport = new rpc_transport_client("127.0.0.1", 8080, 0.1);
$client_transport->on("connect", function(){
    echo "Client:Connect.
";
});
$client_protocol = new rpc_protocol::factory("json", $client_transport);
$client = new rpc_client($client_protocol);

$client_transport->open();
$client->hello("world");
$client_transport->close();