73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
#pragma once
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#ifndef PLATFORM_NATIVE
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#include <Arduino.h>
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#endif
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using SessionIdType = uint32_t;
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constexpr size_t MAX_USERS = 64;
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constexpr size_t INITIAL_SESSIONS_PER_USER = 128;
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struct User
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{
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public:
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User() : numSessions_(0), numSessionsAllocated_(0), sessionIds_(nullptr) {}
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void init(const String &name, size_t sessionAllocateSize = INITIAL_SESSIONS_PER_USER);
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void freeResources();
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bool load(const String &name);
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void save();
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void remove();
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bool valid() const { return sessionIds_ != nullptr; }
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void insertSession(SessionIdType sessionId);
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bool removeSession(SessionIdType sessionId);
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bool hasSession(SessionIdType sessionId) const;
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const String &name() const { return name_; }
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// session access
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SessionIdType *sessionBegin() { return sessionIds_; }
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SessionIdType *sessionEnd() { return sessionIds_ + numSessions_; }
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const SessionIdType *sessionBegin() const { return sessionIds_; }
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const SessionIdType *sessionEnd() const { return sessionIds_ + numSessions_; }
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private:
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void growSessionArrayIfNecessary();
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String name_;
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size_t numSessions_;
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size_t numSessionsAllocated_;
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SessionIdType *sessionIds_;
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};
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class UserStorage
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{
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public:
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UserStorage()
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: numUsers_(0)
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{
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fillFromFileSystem();
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}
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User *getUserInfo(const String &userName);
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User *getUnassignedUser();
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User *addNewUser(const String &userName);
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bool deleteUser(const String &userName);
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User *begin() { return &users_[0]; }
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User *end() { return &users_[numUsers_]; }
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const User *begin() const { return &users_[0]; }
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const User *end() const { return &users_[numUsers_]; }
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private:
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void fillFromFileSystem();
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User users_[MAX_USERS];
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size_t numUsers_;
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}; |