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127 lines
3.1 KiB
C++
127 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 2008-2019 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 <syslog.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->syslog(LOG_INFO,"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_LOCALMAINT_ID,
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QString(RD_PREFIX)+"/bin/rdmaint",QStringList());
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rda->syslog(LOG_INFO,"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 RDProcess(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->syslog(LOG_WARNING,"%s",(const char *)err_msg.toUtf8());
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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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