115 lines
2.6 KiB
C++
115 lines
2.6 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2015,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO 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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SECONDO 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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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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1 QueryExecutor for Distributed-SECONDO
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1.1 Includes
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*/
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#ifndef __QUERYEXECUTOR_LOGGER__
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#define __QUERYEXECUTOR_LOGGER__
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#define LOGFILE "/tmp/queryexecutor.log"
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#define LOG_DEBUG(M) do { Logger::instance->lock(); \
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Logger::instance->debug() \
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<< "[Debug] " << M << endl; Logger::instance->unlock(); } while (false)
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#define LOG_INFO(M) do { Logger::instance->lock(); \
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Logger::instance->info() \
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<< "[Info] " << M << endl; Logger::instance->unlock(); } while (false)
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#define LOG_WARN(M) do { Logger::instance->lock(); \
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Logger::instance->warn() \
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<< "[Warn] " << M << endl; Logger::instance->unlock(); } while (false)
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#define LOG_ERROR(M) do { Logger::instance->lock(); \
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Logger::instance->error() \
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<< "[Error] " << M << endl; Logger::instance->unlock(); } while (false)
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class Logger {
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public:
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static void open() {
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if(Logger::instance == NULL) {
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Logger::instance = new Logger();
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}
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}
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static void close() {
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if(Logger::instance != NULL) {
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delete Logger::instance;
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Logger::instance = NULL;
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}
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}
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Logger() {
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pthread_mutex_init(&mutex, NULL);
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logfile.open(LOGFILE);
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}
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virtual ~Logger() {
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logfile.close();
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pthread_mutex_destroy(&mutex);
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}
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void lock() {
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pthread_mutex_lock(&mutex);
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}
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void unlock() {
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logfile.flush();
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pthread_mutex_unlock(&mutex);
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}
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std::ostream& debug() {
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return logfile;
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}
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std::ostream& info() {
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return logfile;
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}
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std::ostream& warn() {
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return cout;
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}
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std::ostream& error() {
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return cout;
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}
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static Logger *instance;
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private:
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std::ofstream logfile;
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pthread_mutex_t mutex;
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};
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Logger* Logger::instance = NULL;
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#endif
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