81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
//
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// ZoneMinder Core Interfaces, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#ifndef ZM_DB_H
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#define ZM_DB_H
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#include <condition_variable>
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#include <mutex>
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#include <mysql/mysql.h>
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#include <mysql/mysqld_error.h>
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#include <queue>
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#include <string>
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#include <thread>
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class zmDbQueue {
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private:
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std::queue<std::string> mQueue;
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std::thread mThread;
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std::mutex mMutex;
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std::condition_variable mCondition;
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bool mTerminate;
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public:
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zmDbQueue();
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~zmDbQueue();
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void push(std::string &&sql);
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void process();
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void stop();
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};
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class zmDbRow {
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private:
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MYSQL_RES *result_set;
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MYSQL_ROW row;
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public:
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zmDbRow() : result_set(nullptr), row(nullptr) { };
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MYSQL_RES *fetch(const std::string &query);
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zmDbRow(MYSQL_RES *, MYSQL_ROW *row);
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~zmDbRow();
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MYSQL_ROW mysql_row() const { return row; };
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char *operator[](unsigned int index) const {
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return row[index];
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}
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};
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extern MYSQL dbconn;
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extern std::mutex db_mutex;
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extern zmDbQueue dbQueue;
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extern bool zmDbConnected;
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bool zmDbConnect();
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void zmDbClose();
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int zmDbDo(const std::string &query);
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int zmDbDoInsert(const std::string &query);
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int zmDbDoUpdate(const std::string &query);
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MYSQL_RES * zmDbFetch(const std::string &query);
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zmDbRow *zmDbFetchOne(const std::string &query);
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std::string zmDbEscapeString(const std::string& to_escape);
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#endif // ZM_DB_H
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