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6f3d6b9b65
* GB: Refine lazy object GC. 1. Remove gc_set_creator_wrapper, pass by resource constructor. 2. Remove SRS_LAZY_WRAPPER_GENERATOR macro, use template directly. 3. Remove interfaces ISrsGbSipConn and ISrsGbSipConnWrapper. 4. Remove ISrsGbMediaConn and ISrsGbMediaConnWrapper. * GC: Refine wrapper constructor. * GB: Refine lazy object GC. v5.0.114
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
//
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// Copyright (c) 2013-2022 The SRS Authors
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//
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// SPDX-License-Identifier: MIT or MulanPSL-2.0
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//
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#ifndef SRS_PROTOCOL_CONN_HPP
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#define SRS_PROTOCOL_CONN_HPP
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#include <srs_core.hpp>
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#include <string>
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#include <vector>
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// The resource managed by ISrsResourceManager.
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class ISrsResource
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{
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public:
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ISrsResource();
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virtual ~ISrsResource();
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public:
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// Get the context id of connection.
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virtual const SrsContextId& get_id() = 0;
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public:
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// The resource description, optional.
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virtual std::string desc();
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};
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// The manager for resource.
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class ISrsResourceManager
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{
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public:
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ISrsResourceManager();
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virtual ~ISrsResourceManager();
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public:
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// Remove then free the specified connection.
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virtual void remove(ISrsResource* c) = 0;
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};
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// The connection interface for all HTTP/RTMP/RTSP object.
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class ISrsConnection : public ISrsResource
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{
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public:
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ISrsConnection();
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virtual ~ISrsConnection();
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public:
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// Get remote ip address.
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virtual std::string remote_ip() = 0;
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};
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// Lazy-sweep resource, never sweep util all wrappers are freed.
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// See https://github.com/ossrs/srs/issues/3176#lazy-sweep
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class SrsLazyObject
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{
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private:
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// The reference count of resource, 0 is no wrapper and safe to sweep.
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int32_t gc_ref_;
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public:
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SrsLazyObject();
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virtual ~SrsLazyObject();
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public:
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// For wrapper to use this resource.
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virtual void gc_use();
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// For wrapper to dispose this resource.
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virtual void gc_dispose();
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// The current reference count of resource.
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virtual int32_t gc_ref();
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};
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// The lazy-sweep GC, wait for a long time to dispose resource even when resource is disposable.
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// See https://github.com/ossrs/srs/issues/3176#lazy-sweep
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class ISrsLazyGc
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{
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public:
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ISrsLazyGc();
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virtual ~ISrsLazyGc();
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public:
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// Remove then free the specified resource.
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virtual void remove(SrsLazyObject* c) = 0;
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};
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#endif
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