mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-04-09 14:33:28 +02:00
391 lines
8.3 KiB
C++
391 lines
8.3 KiB
C++
// rdapplication.cpp
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//
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// Base Application Class
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//
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// (C) Copyright 2018-2019 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 <qapplication.h>
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#include <qobject.h>
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#include <qprocess.h>
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#include "dbversion.h"
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#include "rdapplication.h"
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#include "rdcmd_switch.h"
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RDApplication *rda=NULL;
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QStringList __rdapplication_temp_files;
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void __RDApplication_ExitCallback()
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{
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for(int i=0;i<__rdapplication_temp_files.size();i++) {
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unlink(__rdapplication_temp_files.at(i).toUtf8());
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}
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}
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RDApplication::RDApplication(const QString &module_name,const QString &cmdname,
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const QString &usage,QObject *parent)
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: QObject(parent)
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{
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app_module_name=module_name;
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app_command_name=cmdname;
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app_usage=usage;
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app_heartbeat=NULL;
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app_airplay_conf=NULL;
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app_cae=NULL;
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app_cmd_switch=NULL;
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app_config=NULL;
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app_library_conf=NULL;
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app_logedit_conf=NULL;
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app_panel_conf=NULL;
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app_ripc=NULL;
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app_station=NULL;
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app_system=NULL;
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app_user=NULL;
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atexit(__RDApplication_ExitCallback);
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}
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RDApplication::~RDApplication()
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{
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if(app_heartbeat!=NULL) {
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delete app_heartbeat;
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}
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if(app_config!=NULL) {
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delete app_config;
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}
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if(app_system!=NULL) {
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delete app_system;
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}
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if(app_station!=NULL) {
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delete app_station;
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}
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if(app_library_conf!=NULL) {
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delete app_library_conf;
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}
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if(app_logedit_conf!=NULL) {
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delete app_logedit_conf;
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}
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if(app_airplay_conf!=NULL) {
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delete app_airplay_conf;
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}
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if(app_panel_conf!=NULL) {
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delete app_panel_conf;
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}
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if(app_user!=NULL) {
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delete app_user;
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}
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if(app_cae!=NULL) {
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delete app_cae;
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}
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if(app_cmd_switch!=NULL) {
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delete app_cmd_switch;
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}
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if(app_ripc!=NULL) {
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delete app_ripc;
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}
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}
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bool RDApplication::open(QString *err_msg,RDApplication::ErrorType *err_type,
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bool check_svc)
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{
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int schema=0;
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QString db_err;
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bool skip_db_check=false;
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int persistent_dropbox_id=-1;
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bool ok=false;
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if(err_type!=NULL) {
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*err_type=RDApplication::ErrorOk;
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}
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//
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// Read command switches
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//
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app_cmd_switch=new RDCmdSwitch(qApp->argc(),qApp->argv(),app_command_name,
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app_usage);
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for(unsigned i=0;i<app_cmd_switch->keys();i++) {
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if(app_cmd_switch->key(i)=="--skip-db-check") {
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skip_db_check=true;
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app_cmd_switch->setProcessed(i,true);
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}
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if(app_cmd_switch->key(i)=="--persistent-dropbox-id") {
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persistent_dropbox_id=app_cmd_switch->value(i).toUInt(&ok);
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if(ok) {
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app_command_name=QString().sprintf("dropbox[%u]",persistent_dropbox_id);
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}
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app_cmd_switch->setProcessed(i,true);
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}
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}
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//
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// Open rd.conf(5)
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//
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app_config=new RDConfig();
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app_config->load();
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app_config->setModuleName(app_module_name);
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//
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// Initialize Logging
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//
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if(app_cmd_switch->debugActive()) {
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openlog(app_command_name,LOG_PERROR,app_config->syslogFacility());
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}
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else {
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openlog(app_command_name,0,app_config->syslogFacility());
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}
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//
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// Check Rivendell Service Status
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//
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if(check_svc) {
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if(!CheckService(err_msg)) {
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if(err_type!=NULL) {
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*err_type=RDApplication::ErrorNoService;
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}
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return false;
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}
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}
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//
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// Open Database
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//
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if(!RDOpenDb(&schema,&db_err,app_config)) {
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*err_msg=QObject::tr("Unable to open database")+" ["+db_err+"]";
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return false;
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}
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if((RD_VERSION_DATABASE!=schema)&&(!skip_db_check)) {
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if(err_type!=NULL) {
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*err_type=RDApplication::ErrorDbVersionSkew;
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}
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*err_msg=QObject::tr("Database version mismatch, should be")+
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QString().sprintf(" %u, ",RD_VERSION_DATABASE)+
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QObject::tr("is")+
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QString().sprintf(" %u",schema);
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return false;
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}
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app_heartbeat=new RDDbHeartbeat(app_config->mysqlHeartbeatInterval(),this);
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//
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// Open Accessors
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//
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app_station=new RDStation(app_config->stationName());
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app_system=new RDSystem();
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app_library_conf=new RDLibraryConf(app_config->stationName());
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app_logedit_conf=new RDLogeditConf(app_config->stationName());
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app_airplay_conf=new RDAirPlayConf(app_config->stationName(),"RDAIRPLAY");
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app_panel_conf=new RDAirPlayConf(app_config->stationName(),"RDPANEL");
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app_user=new RDUser();
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app_cae=new RDCae(app_station,app_config,this);
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app_ripc=new RDRipc(app_station,app_config,this);
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connect(app_ripc,SIGNAL(userChanged()),this,SLOT(userChangedData()));
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if(!app_station->exists()) {
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if(err_type!=NULL) {
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*err_type=RDApplication::ErrorNoHostEntry;
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}
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*err_msg=QObject::tr("This host")+" (\""+app_config->stationName()+"\") "+
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QObject::tr("does not have a Hosts entry in the database.")+"\n"+
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QObject::tr("Open RDAdmin->ManageHosts->Add to create one.");
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return false;
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}
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return true;
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}
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RDAirPlayConf *RDApplication::airplayConf()
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{
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return app_airplay_conf;
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}
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RDCae *RDApplication::cae()
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{
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return app_cae;
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}
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RDCmdSwitch *RDApplication::cmdSwitch()
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{
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return app_cmd_switch;
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}
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RDConfig *RDApplication::config()
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{
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return app_config;
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}
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RDLibraryConf *RDApplication::libraryConf()
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{
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return app_library_conf;
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}
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RDLogeditConf *RDApplication::logeditConf()
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{
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return app_logedit_conf;
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}
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RDAirPlayConf *RDApplication::panelConf()
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{
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return app_panel_conf;
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}
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RDRipc *RDApplication::ripc()
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{
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return app_ripc;
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}
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RDStation *RDApplication::station()
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{
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return app_station;
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}
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RDSystem *RDApplication::system()
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{
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return app_system;
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}
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RDUser *RDApplication::user()
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{
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return app_user;
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}
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bool RDApplication::dropTable(const QString &tbl_name)
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{
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bool ret=false;
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QString sql=QString("show tables where ")+
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"Tables_in_"+config()->mysqlDbname()+"=\""+tbl_name+"\"";
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RDSqlQuery *q=new RDSqlQuery(sql);
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if(q->first()) {
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sql=QString("drop table `")+tbl_name+"`";
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RDSqlQuery *q1=new RDSqlQuery(sql);
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delete q1;
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ret=true;
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}
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delete q;
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return ret;
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}
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void RDApplication::addTempFile(const QString &pathname)
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{
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__rdapplication_temp_files.push_back(pathname);
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}
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void RDApplication::syslog(int priority,const char *fmt,...) const
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{
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va_list args;
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va_start(args,fmt);
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if((priority&248)==0) { // So custom one-off facility numbers still work
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priority=priority|(app_config->syslogFacility()<<3);
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}
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vsyslog(priority,fmt,args);
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va_end(args);
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}
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void RDApplication::syslog(RDConfig *config,int priority,const char *fmt,...)
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{
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va_list args;
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va_start(args,fmt);
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if((priority&248)==0) { // So custom one-off facility numbers still work
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priority=priority|(config->syslogFacility()<<3);
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}
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vsyslog(priority,fmt,args);
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va_end(args);
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}
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void RDApplication::userChangedData()
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{
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app_user->setName(app_ripc->user());
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emit userChanged();
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}
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bool RDApplication::CheckService(QString *err_msg)
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{
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bool ret=false;
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int trial=config()->serviceTimeout();
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if(trial<=0) {
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trial=1;
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}
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while((!ret)&&(trial>0)) {
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QStringList args;
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QProcess *proc=new QProcess(this);
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args.push_back("--property");
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args.push_back("ActiveState");
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args.push_back("show");
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args.push_back("rivendell");
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proc->start("systemctl",args);
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proc->waitForFinished();
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if(proc->exitStatus()!=QProcess::NormalExit) {
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*err_msg=tr("systemctl(1) crashed.");
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}
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else {
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if(proc->exitCode()!=0) {
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*err_msg=tr("systemctl(1) returned exit code")+
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QString().sprintf(" %d:\n",proc->exitCode())+
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proc->readAllStandardError();
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}
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else {
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*err_msg=tr("Rivendell service is not active.");
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QStringList f0=QString(proc->readAllStandardOutput()).
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split("\n",QString::SkipEmptyParts);
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for(int i=0;i<f0.size();i++) {
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QStringList f1=f0.at(i).trimmed().split("=");
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if((f1.size()==2)&&(f1.at(0)=="ActiveState")) {
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ret=f1.at(1).toLower()=="active";
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if(ret) {
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*err_msg=tr("OK");
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}
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}
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}
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}
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}
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delete proc;
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trial--;
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sleep(1);
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}
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return ret;
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}
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