5f209e6980
Note that this version does not have Widevine Provisioning 4.0 support. It is only suitable for device upgrades. A new patch with provisioning 4.0 support will be made later.
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine Master
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// License Agreement.
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#ifndef WIDEVINE_CAS_SESSION_MAP_H
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#define WIDEVINE_CAS_SESSION_MAP_H
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#include <map>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <utility>
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#include "cas_types.h"
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#include "widevine_cas_session.h"
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namespace wvcas {
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typedef std::map<WvCasSessionId, CasSessionPtr> CasSessionMap;
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// WidevineCasSessionMap is a singleton. It used as a shared resource used by
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// both cas and descrambler plugins. Cas sessions are created by the cas plugin,
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// and can be *discovered* by descrambler plugins.
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class WidevineCasSessionMap {
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public:
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virtual ~WidevineCasSessionMap() {}
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// Adds a new Widevine cas session to the map.
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// Returns true if the session is successfully added to the map, false
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// otherwise.
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bool AddSession(const WvCasSessionId& cas_session_id, CasSessionPtr session);
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// Obtain a shared pointer to a cas session. If the session does not exist in
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// the map, the returned pointer == nullptr.
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CasSessionPtr GetSession(const WvCasSessionId& cas_session_id) const;
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// Remove an entry in the map.
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void RemoveSession(const WvCasSessionId& cas_session_id);
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// Retrieves all the session ids.
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std::vector<CasSessionPtr> GetAllSessions() const;
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// Returns a reference to the map.
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static WidevineCasSessionMap& instance();
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WidevineCasSessionMap(const WidevineCasSessionMap&) = delete;
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WidevineCasSessionMap& operator=(const WidevineCasSessionMap&) = delete;
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private:
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WidevineCasSessionMap() {}
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CasSessionMap map_;
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mutable std::mutex lock_;
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};
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} // namespace wvcas
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#endif // WIDEVINE_CAS_SESSION_MAP_H
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