mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
144 lines
4.1 KiB
C++
144 lines
4.1 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2003-2004,2006 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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 Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id: CommPSQLSocket.cpp,v 1.17 2006-10-26 00:48:13 alriddoch Exp $
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#include "CommPSQLSocket.h"
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#include "IdlePSQLConnector.h"
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#include "CommServer.h"
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#include "common/Database.h"
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#include "common/log.h"
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#include "common/debug.h"
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#include "common/globals.h"
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#include <iostream>
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#include <cassert>
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static const bool debug_flag = false;
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/// \brief Constructor for PostgreSQL socket polling object.
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///
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/// @param svr Reference to the object that manages all socket communication.
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/// @param db Reference to the low level database management object.
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CommPSQLSocket::CommPSQLSocket(CommServer & svr, Database & db) :
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Idle(svr), CommSocket(svr), m_db(db),
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m_vacuumTime(0), m_reindexTime(0),
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m_vacuumFull(false)
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{
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// This assumes the database connection is already sorted, which I think
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// is okay
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PGconn * con = m_db.getConnection();
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assert(con != 0);
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if (PQsetnonblocking(con, 1) == -1) {
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log(ERROR, "Unable to put database connection in non-blocking mode.");
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}
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}
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CommPSQLSocket::~CommPSQLSocket()
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{
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if (!exit_flag) {
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m_db.shutdownConnection();
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IdlePSQLConnector * ipsqlc = new IdlePSQLConnector(m_idleManager, m_db);
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m_idleManager.addIdle(ipsqlc);
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}
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}
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int CommPSQLSocket::getFd() const
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{
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debug(std::cout << "CommPSQLSocket::getFd()" << std::endl << std::flush;);
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PGconn * con = m_db.getConnection();
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assert(con != 0);
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return PQsocket(con);
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}
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bool CommPSQLSocket::eof()
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{
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debug(std::cout << "CommPSQLSocket::eof()" << std::endl << std::flush;);
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return PQstatus(m_db.getConnection()) != CONNECTION_OK;
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}
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bool CommPSQLSocket::isOpen() const
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{
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debug(std::cout << "CommPSQLSocket::isOpen()" << std::endl << std::flush;);
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return true;
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}
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int CommPSQLSocket::read()
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{
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debug(std::cout << "CommPSQLSocket::read()" << std::endl << std::flush;);
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PGconn * con = m_db.getConnection();
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assert(con != 0);
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if (PQconsumeInput(con) == 0) {
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log(ERROR, "Error reading from database connection.");
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m_db.reportError();
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log(ERROR, "Connection to RDBMS lost.");
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return 1;
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}
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PGresult * res;
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while (PQisBusy(con) == 0) {
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if ((res = PQgetResult(con)) != 0) {
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m_db.queryResult(PQresultStatus(res));
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PQclear(res);
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} else {
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m_db.queryComplete();
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return 0;
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}
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};
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return 0;
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}
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void CommPSQLSocket::dispatch()
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{
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debug(std::cout << "CommPSQLSocket::dispatch()"
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<< std::endl << std::flush;);
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if (m_db.queryInProgress()) {
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return;
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}
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m_db.launchNewQuery();
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}
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void CommPSQLSocket::idle(time_t t)
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{
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debug(std::cout << "CommPSQLSocket::idle()" << std::endl << std::flush;);
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if (t > m_vacuumTime) {
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if (m_vacuumFull) {
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m_db.runMaintainance(Database::MAINTAIN_VACUUM |
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Database::MAINTAIN_VACUUM_FULL);
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} else {
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m_db.runMaintainance(Database::MAINTAIN_VACUUM |
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Database::MAINTAIN_VACUUM_ANALYZE);
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}
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m_vacuumFull = !m_vacuumFull;
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m_vacuumTime = t + vacFreq;
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}
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if (t > m_reindexTime) {
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m_db.runMaintainance(Database::MAINTAIN_REINDEX);
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m_reindexTime = t + reindexFreq;
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}
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}
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