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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
#pragma once
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#include <Access/EnabledSettings.h>
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#include <Core/UUID.h>
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#include <Core/Types.h>
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#include <ext/scope_guard.h>
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#include <map>
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#include <unordered_map>
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namespace DB
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{
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class AccessControlManager;
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struct SettingsProfile;
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using SettingsProfilePtr = std::shared_ptr<const SettingsProfile>;
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class SettingsProfileElements;
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class EnabledSettings;
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/// Reads and caches all the settings profiles.
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class SettingsProfilesCache
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{
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public:
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SettingsProfilesCache(const AccessControlManager & manager_);
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~SettingsProfilesCache();
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void setDefaultProfileName(const String & default_profile_name);
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std::shared_ptr<const EnabledSettings> getEnabledSettings(
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const UUID & user_id,
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const SettingsProfileElements & settings_from_user_,
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const std::vector<UUID> & enabled_roles,
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const SettingsProfileElements & settings_from_enabled_roles_);
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std::shared_ptr<const SettingsChanges> getProfileSettings(const String & profile_name);
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private:
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void ensureAllProfilesRead();
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void profileAddedOrChanged(const UUID & profile_id, const SettingsProfilePtr & new_profile);
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void profileRemoved(const UUID & profile_id);
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void mergeSettingsAndConstraints();
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void mergeSettingsAndConstraintsFor(EnabledSettings & enabled) const;
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void substituteProfiles(SettingsProfileElements & elements) const;
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const AccessControlManager & manager;
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std::unordered_map<UUID, SettingsProfilePtr> all_profiles;
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std::unordered_map<String, UUID> profiles_by_name;
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bool all_profiles_read = false;
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ext::scope_guard subscription;
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std::map<EnabledSettings::Params, std::weak_ptr<EnabledSettings>> enabled_settings;
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std::optional<UUID> default_profile_id;
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std::unordered_map<UUID, std::shared_ptr<const SettingsChanges>> settings_for_profiles;
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mutable std::mutex mutex;
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};
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}
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