85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
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/*
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* Copyright (c) 2021 The ZLToolKit project authors. All Rights Reserved.
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*
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* This file is part of ZLToolKit(https://github.com/ZLMediaKit/ZLToolKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLTOOLKIT_SESSION_H
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#define ZLTOOLKIT_SESSION_H
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#include <memory>
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#include "Socket.h"
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#include "Util/util.h"
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#include "Util/SSLBox.h"
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namespace toolkit {
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// 会话, 用于存储一对客户端与服务端间的关系
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class Server;
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class TcpSession;
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class UdpSession;
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class Session : public SocketHelper {
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public:
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using Ptr = std::shared_ptr<Session>;
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Session(const Socket::Ptr &sock);
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~Session() override = default;
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/**
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* 在创建 Session 后, Server 会把自身的配置参数通过该函数传递给 Session
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* @param server, 服务器对象
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*/
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virtual void attachServer(const Server &server) {}
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/**
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* 作为该 Session 的唯一标识符
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* @return 唯一标识符
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*/
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std::string getIdentifier() const override;
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private:
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mutable std::string _id;
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std::unique_ptr<toolkit::ObjectStatistic<toolkit::TcpSession> > _statistic_tcp;
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std::unique_ptr<toolkit::ObjectStatistic<toolkit::UdpSession> > _statistic_udp;
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};
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// 通过该模板可以让TCP服务器快速支持TLS
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template <typename SessionType>
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class SessionWithSSL : public SessionType {
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public:
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template <typename... ArgsType>
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SessionWithSSL(ArgsType &&...args)
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: SessionType(std::forward<ArgsType>(args)...) {
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_ssl_box.setOnEncData([&](const Buffer::Ptr &buf) { public_send(buf); });
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_ssl_box.setOnDecData([&](const Buffer::Ptr &buf) { public_onRecv(buf); });
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}
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~SessionWithSSL() override { _ssl_box.flush(); }
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void onRecv(const Buffer::Ptr &buf) override { _ssl_box.onRecv(buf); }
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// 添加public_onRecv和public_send函数是解决较低版本gcc一个lambad中不能访问protected或private方法的bug
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inline void public_onRecv(const Buffer::Ptr &buf) { SessionType::onRecv(buf); }
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inline void public_send(const Buffer::Ptr &buf) { SessionType::send(buf); }
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bool overSsl() const override { return true; }
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protected:
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ssize_t send(Buffer::Ptr buf) override {
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auto size = buf->size();
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_ssl_box.onSend(std::move(buf));
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return size;
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}
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private:
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SSL_Box _ssl_box;
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};
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} // namespace toolkit
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#endif // ZLTOOLKIT_SESSION_H
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