Feature
服务端可自定义方法供客户端远程调用
服务端远程调用函数参数(顺序,数量)变化, 不会导致客户端服务端版本不兼容问题
支持多种传输协议 (protocolbuffer, msgpack, json, serialize)
支持多种通讯方式 (阻塞, 非阻塞, SSL阻塞, SSL非阻塞等)
支持自定义传输协议 (引入Rpc\Protocol\Interface接口)
高冷, 一定要高冷, API设计一定要高冷
API
/**
* 传输相关
*/
// 服务端非阻塞socket
class rpc_transport_server_socket
{
protected $_port; //通讯端口
final public function __construct(int $port){
$this->_port = $port;
}
}
// 客户端阻塞socket
class rpc_transport_client_socket
{
protected $_host; //通讯地址
protected $_port; //通讯端口
final public function __construct(string $host, int $port) {
$this->_host = $host;
$this->_port = $port;
}
}
// 客户端非阻塞socket
class rpc_transport_async_client_socket extends rpc_transport_client_socket
{
// do something
}
// 传输层抽象类
abstract class rpc_transport
{
protected $_timeout; //传输超时, 支持浮点数, 单位:sec
protected $_socket; //传输句柄
abstract public function on(string $event, mixed $callback);
}
// 服务端传输
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);
}
}
// 客户端传输
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;
}
}
// 客户端传输
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);
}
}
/**
* 协议相关
*/
//传输协议工厂类
class rpc_protocol
{
protected $_transport = null; //传输
protected $_protocol = null; //协议(protocolbuffer, msgpack, json, serialize)
private function __construct($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);
}
}
//传输协议接口
interface rpc_protocol_interface
{
public function pack($message);
public function unpack($message);
}
//JSON传输协议(打个样)
class rpc_protocol_json implements rpc_protocol_interface
{
public function pack($message){
...
}
public function unpack($message){
...
}
}
...
/**
* 服务端
*/
// 服务端抽象类
abstract class rpc_server_service
{
public function __call(){
// do something
}
}
// 服务端
class rpc_server
{
final public function __construct(rpc_server_interface $server_interface, rpc_protocol $protocol);
}
/**
* 客户端
*/
// 客户端
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;
}
}
//客户端回调函数抽象类
abstract class rpc_async_client_callback
{
private $_response = null;
public function getResult() {
// 返回结果值
return $this->_response;
}
public function onComplete($response){
$this->_response = $response;
}
public function onError($error){
throw new Exception($error);
}
}
// 非阻塞客户端
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 = $protocol;
}
}
Example
// server
class server_hello extends rpc_server_service {
public function hello($message) {
echo $message;
}
}
$service = server_hello();
$server_transport = new rpc_transport_server(8080, 0.1);
$server_transport->on('connect', function(){
echo "Server:Connect.\n";
});
$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.\n";
});
$client_protocol = new rpc_protocol::factory('json', $client_transport);
$client = new rpc_client($client_protocol);
$client_transport->open();
$client->hello('world');
$client_transport->close();
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