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	* Fixed a bug in rdservice(8) that caused maintenance routines to be attempted only once per invocation.
		
			
				
	
	
		
			126 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// main_routines.cpp
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//
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// Rivendell Maintenance Routines
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//
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//   (C) Copyright 2008-2018 Fred Gleason <fredg@paravelsystems.com>
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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 version 2 as
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//   published by the Free Software Foundation.
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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
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//   License along with this program; if not, write to the Free Software
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//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <stdlib.h>
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#include <rd.h>
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#include <rdapplication.h>
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#include <rdpaths.h>
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#include "rdservice.h"
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void MainObject::checkMaintData()
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{
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  QString sql;
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  RDSqlQuery *q;
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  QDateTime current_datetime=
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    QDateTime(QDate::currentDate(),QTime::currentTime());
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  bool run=false;
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  //
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  // Schedule Next Maintenance Run
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  //
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  svc_maint_timer->start(GetMaintInterval());
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  RunLocalMaintRoutine();
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  //
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  // Should we try to run system maintenance?
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  //
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  if(!rda->station()->systemMaint()) {
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    return;
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  }
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  //
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  // Get the system-wide maintenance timestamp
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  //
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  sql="lock tables VERSION write";
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  q=new RDSqlQuery(sql);
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  delete q;
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  sql="select LAST_MAINT_DATETIME from VERSION";
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  q=new RDSqlQuery(sql);
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  if(q->first()) {
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    run=1000*q->value(0).toDateTime().secsTo(current_datetime)>
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      RD_MAINT_MAX_INTERVAL;
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  }
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  delete q;
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  sql="unlock tables";
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  q=new RDSqlQuery(sql);
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  delete q;
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  //
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  // Run the routines
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  //
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  if(run) {
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    RunSystemMaintRoutine();
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  }
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}
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void MainObject::RunSystemMaintRoutine()
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{
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  QStringList args;
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  args.clear();
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  args.push_back("--system");
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  RunEphemeralProcess(RDSERVICE_SYSTEMMAINT_ID,
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		      QString(RD_PREFIX)+"/bin/rdmaint",args);
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  args.clear();
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  RunEphemeralProcess(RDSERVICE_PURGECASTS_ID,
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		      QString(RD_PREFIX)+"/bin/rdpurgecasts",args);
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  rda->log(RDConfig::LogInfo,"ran system-wide maintenance routines");
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}
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void MainObject::RunLocalMaintRoutine()
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{
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  RunEphemeralProcess(RDSERVICE_SYSTEMMAINT_ID,
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		      QString(RD_PREFIX)+"/bin/rdmaint",QStringList());
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  rda->log(RDConfig::LogInfo,"ran local maintenance routines");
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}
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int MainObject::GetMaintInterval() const
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{
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  return (int)(RD_MAINT_MIN_INTERVAL+
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	       (RD_MAINT_MAX_INTERVAL-RD_MAINT_MIN_INTERVAL)*
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	       (double)random()/(double)RAND_MAX);
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}
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void MainObject::RunEphemeralProcess(int id,const QString &program,
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				     const QStringList &args)
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{
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  svc_processes[id]=new Process(id,this);
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  connect(svc_processes[id],SIGNAL(finished(int)),
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	  this,SLOT(processFinishedData(int)));
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  svc_processes[id]->start(program,args);
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  if(!svc_processes[id]->process()->waitForStarted()) {
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    QString err_msg=tr("unable to start")+"\""+program+"\": "+
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      svc_processes[id]->errorText();
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    rda->log(RDConfig::LogWarning,err_msg);
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    delete svc_processes[id];
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    svc_processes.remove(id);
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  }
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}
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