2020-07-04 10:09:40 +00:00
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#ifndef ENGINE_SERVER_DATABASES_CONNECTION_POOL_H
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#define ENGINE_SERVER_DATABASES_CONNECTION_POOL_H
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#include "connection.h"
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#include <base/tl/threading.h>
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2020-07-04 17:53:27 +00:00
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#include <atomic>
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2020-07-04 10:09:40 +00:00
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#include <memory>
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#include <vector>
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struct ISqlData
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{
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virtual ~ISqlData() {};
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2020-07-04 10:09:40 +00:00
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};
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2020-08-03 14:18:22 +00:00
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class IConsole;
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2020-07-04 10:09:40 +00:00
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class CDbConnectionPool
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{
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public:
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CDbConnectionPool();
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~CDbConnectionPool();
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2020-07-04 17:53:27 +00:00
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CDbConnectionPool& operator=(const CDbConnectionPool&) = delete;
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2020-07-04 10:09:40 +00:00
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2020-07-08 19:31:34 +00:00
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typedef bool (*FRead)(IDbConnection *, const ISqlData *);
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typedef bool (*FWrite)(IDbConnection *, const ISqlData *, bool);
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2020-07-04 10:09:40 +00:00
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enum Mode
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{
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READ,
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WRITE,
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WRITE_BACKUP,
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NUM_MODES,
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};
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2020-08-03 14:18:22 +00:00
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void Print(IConsole *pConsole, Mode DatabaseMode);
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2020-07-04 10:09:40 +00:00
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void RegisterDatabase(std::unique_ptr<IDbConnection> pDatabase, Mode DatabaseMode);
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void Execute(
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FRead pFunc,
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std::unique_ptr<const ISqlData> pSqlRequestData,
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const char *pName);
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2020-07-04 10:09:40 +00:00
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// writes to WRITE_BACKUP server in case of failure
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void ExecuteWrite(
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FWrite pFunc,
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std::unique_ptr<const ISqlData> pSqlRequestData,
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const char *pName);
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2020-07-04 10:09:40 +00:00
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2020-07-04 17:53:27 +00:00
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void OnShutdown();
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2020-07-04 10:09:40 +00:00
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private:
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std::vector<std::unique_ptr<IDbConnection>> m_aapDbConnections[NUM_MODES];
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2020-07-08 19:31:34 +00:00
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static void Worker(void *pUser);
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void Worker();
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bool ExecSqlFunc(IDbConnection *pConnection, struct CSqlExecData *pData, bool Failure);
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2020-07-10 23:28:37 +00:00
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std::atomic_bool m_Shutdown;
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semaphore m_NumElem;
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int FirstElem;
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int LastElem;
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std::unique_ptr<struct CSqlExecData> m_aTasks[512];
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2020-07-04 10:09:40 +00:00
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};
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#endif // ENGINE_SERVER_DATABASES_CONNECTION_POOL_H
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