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-rw-r--r-- | lib/db_ido_mysql/idomysqlconnection.hpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/db_ido_mysql/idomysqlconnection.hpp b/lib/db_ido_mysql/idomysqlconnection.hpp new file mode 100644 index 0000000..5a5c120 --- /dev/null +++ b/lib/db_ido_mysql/idomysqlconnection.hpp @@ -0,0 +1,114 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#ifndef IDOMYSQLCONNECTION_H +#define IDOMYSQLCONNECTION_H + +#include "db_ido_mysql/idomysqlconnection-ti.hpp" +#include "mysql_shim/mysqlinterface.hpp" +#include "base/array.hpp" +#include "base/timer.hpp" +#include "base/workqueue.hpp" +#include "base/library.hpp" +#include <cstdint> + +namespace icinga +{ + +typedef std::shared_ptr<MYSQL_RES> IdoMysqlResult; + +typedef std::function<void (const IdoMysqlResult&)> IdoAsyncCallback; + +struct IdoAsyncQuery +{ + String Query; + IdoAsyncCallback Callback; +}; + +/** + * An IDO MySQL database connection. + * + * @ingroup ido + */ +class IdoMysqlConnection final : public ObjectImpl<IdoMysqlConnection> +{ +public: + DECLARE_OBJECT(IdoMysqlConnection); + DECLARE_OBJECTNAME(IdoMysqlConnection); + + static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata); + + const char * GetLatestSchemaVersion() const noexcept override; + const char * GetCompatSchemaVersion() const noexcept override; + + int GetPendingQueryCount() const override; + +protected: + void OnConfigLoaded() override; + void Resume() override; + void Pause() override; + + void ActivateObject(const DbObject::Ptr& dbobj) override; + void DeactivateObject(const DbObject::Ptr& dbobj) override; + void ExecuteQuery(const DbQuery& query) override; + void ExecuteMultipleQueries(const std::vector<DbQuery>& queries) override; + void CleanUpExecuteQuery(const String& table, const String& time_key, double time_value) override; + void FillIDCache(const DbType::Ptr& type) override; + void NewTransaction() override; + void Disconnect() override; + +private: + DbReference m_InstanceID; + + Library m_Library; + std::unique_ptr<MysqlInterface, MysqlInterfaceDeleter> m_Mysql; + + MYSQL m_Connection; + int m_AffectedRows; + unsigned int m_MaxPacketSize; + + std::vector<IdoAsyncQuery> m_AsyncQueries; + uint_fast32_t m_UncommittedAsyncQueries = 0; + + Timer::Ptr m_ReconnectTimer; + Timer::Ptr m_TxTimer; + + IdoMysqlResult Query(const String& query); + DbReference GetLastInsertID(); + int GetAffectedRows(); + String Escape(const String& s); + Dictionary::Ptr FetchRow(const IdoMysqlResult& result); + void DiscardRows(const IdoMysqlResult& result); + + void AsyncQuery(const String& query, const IdoAsyncCallback& callback = IdoAsyncCallback()); + void FinishAsyncQueries(); + + bool FieldToEscapedString(const String& key, const Value& value, Value *result); + void InternalActivateObject(const DbObject::Ptr& dbobj); + void InternalDeactivateObject(const DbObject::Ptr& dbobj); + + void Reconnect(); + + void AssertOnWorkQueue(); + + void ReconnectTimerHandler(); + + bool CanExecuteQuery(const DbQuery& query); + + void InternalExecuteQuery(const DbQuery& query, int typeOverride = -1); + void InternalExecuteMultipleQueries(const std::vector<DbQuery>& queries); + + void FinishExecuteQuery(const DbQuery& query, int type, bool upsert); + void InternalCleanUpExecuteQuery(const String& table, const String& time_key, double time_value); + void InternalNewTransaction(); + + void ClearTableBySession(const String& table); + void ClearTablesBySession(); + + void ExceptionHandler(boost::exception_ptr exp); + + void FinishConnect(double startTime); +}; + +} + +#endif /* IDOMYSQLCONNECTION_H */ |