Tomasz Sowa
da2dec447b
add config options: db_startup_connection_max_attempts - default 0 (infinite) db_startup_connection_attempt_delay - delay in seconds between attempts (default 5) BREAKING CHANGE: WINIX_PLUGIN_INIT plugin message requires to set result status, you have to set the result status to true (env.res) if your plugin was initialized correctly, otherwise winix will not start
90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2010-2022, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_winix_db_dbconn
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#define headerfile_winix_db_dbconn
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#include <string>
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#include <libpq-fe.h>
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#include "dbtextstream.h"
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#include "core/winixbase.h"
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namespace Winix
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{
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class DbConn : public WinixBase
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{
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public:
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DbConn();
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~DbConn();
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void SetConnParam(const std::wstring & conn_string);
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void SetConnParam(const std::wstring & host, const std::wstring & hostaddr, const std::wstring & port,
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const std::wstring & database, const std::wstring & user, const std::wstring & pass);
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void Connect();
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bool WaitForConnection(size_t attempts_max, size_t attempt_delay);
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void Close();
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bool AssertConnection(bool put_log = true, bool throw_if_no_connection = true);
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void SetDbParameters();
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PGconn * GetPgConn();
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private:
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void LogNoConnection(size_t attempts);
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void LogConnectionSocket();
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PGconn * pg_conn;
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std::wstring db_conn_string;
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std::wstring db_host, db_hostaddr, db_port, db_database, db_user, db_pass;
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DbTextStream conn_info;
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// a helper method for escaping strings
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template<class RawType>
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DbTextStream::RawText<RawType> R(const RawType & par)
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{
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return DbTextStream::RawText<RawType>(par);
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}
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};
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} // namespace Winix
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#endif
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