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/*
* Copyright (c) 2013, Red Hat.
* Copyright (c) 2007 Aconex. All Rights Reserved.
* Copyright (c) 1998-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*/
#ifndef QMC_GROUP_H
#define QMC_GROUP_H
#include "qmc.h"
#include "qmc_context.h"
#include <qlist.h>
#include <qstring.h>
#include <qtextstream.h>
class QmcGroup
{
public:
enum TimeZoneFlag { localTZ, userTZ, groupTZ, unknownTZ };
public:
QmcGroup(bool restrictArchives = false);
~QmcGroup();
int mode() const { return my.mode; }
unsigned int numContexts() const { return my.contexts.size(); }
// Return a handle to the contexts
QmcContext* context() const { return my.contexts[my.use]; }
QmcContext* context(unsigned int index) const { return my.contexts[index]; }
// Index to the active context
unsigned int contextIndex() const { return my.use; }
int use(int type, const QString &source, int flags = 0);
int use(unsigned int index) { my.use = index; return useContext(); }
bool defaultDefined() const { return (numContexts() > 0); }
int useDefault();
void createLocalContext();
// Add a new metric to the group
QmcMetric* addMetric(char const* str, double theScale = 0.0,
bool active = false);
QmcMetric* addMetric(pmMetricSpec* theMetric, double theScale = 0.0,
bool active = false);
// Fetch all the metrics in this group
// By default, do all rate conversions and counter wraps
int fetch(bool update = true);
// Set the archive position and mode
int setArchiveMode(int mode, const struct timeval *when, int interval);
int useTZ(); // Use TZ of current context as default
int useTZ(const QString &tz); // Use this TZ as default
int useLocalTZ(); // Use local TZ as default
void defaultTZ(QString &label, QString &tz);
TimeZoneFlag defaultTZ() const { return my.tzFlag; }
int useDefaultTZ();
struct timeval const& logStart() const { return my.timeStart; }
struct timeval const& logEnd() const { return my.timeEnd; }
void updateBounds(); // Determine the archive start and finish times
void dump(QTextStream &os);
private:
struct {
QList<QmcContext*> contexts; // List of all contexts in this group
bool restrictArchives; // Only one archive per host
int mode; // Default context type
int use; // Context in use
QmcSource *localSource; // Localhost source desc
TimeZoneFlag tzFlag; // default TZ type
int tzDefault; // handle to default TZ
int tzUser; // handle to user defined TZ
QString tzUserString; // user defined TZ;
int tzGroupIndex; // index to group context used for
// current timezone
struct timeval timeStart; // Start of first archive
struct timeval timeEnd; // End of last archive
double timeEndReal; // End of last archive
} my;
// Timezone for localhost from environment
static bool tzLocalInit; // got TZ from environment
static int tzLocal; // handle to environment TZ
static QString tzLocalString; // environment TZ string
static QString localHost; // name of localhost
int useContext();
};
#endif // QMC_GROUP_H
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