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2016-03-28 Fred Gleason <fredg@paravelsystems.com>

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* Added an rdrevert(8) commmand in 'utils/rdrevert/'.
This commit is contained in:
Fred Gleason 2016-03-28 10:40:23 -04:00
parent e656a4bb0a
commit 3aac0356dd
10 changed files with 548 additions and 4 deletions
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1
.gitignore vendored
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@ -96,5 +96,6 @@ utils/rdimport/rdimport
utils/rdcollect/rdcollect
utils/rdmaint/rdmaint
utils/rdgen/rdgen
utils/rdrevert/rdrevert
utils/sas_shim/sas_shim
web/rdfeed/rdfeed.xml

2
ChangeLog
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@ -15031,3 +15031,5 @@
2016-03-25 Fred Gleason <fredg@paravelsystems.com>
* Added a 'Show Only Recent Logs' checkbox in 'rdlogedit/rdlogedit.cpp'
and 'rdlogedit/rdlogedit.h'.
2016-03-28 Fred Gleason <fredg@paravelsystems.com>
* Added an rdrevert(8) commmand in 'utils/rdrevert/'.

1
configure.ac
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@ -466,6 +466,7 @@ AC_CONFIG_FILES([rivendell.spec \
utils/rdmarkerset/Makefile \
utils/rdpopup/Makefile \
utils/rdpurgecasts/Makefile \
utils/rdrevert/Makefile \
utils/rdsoftkeys/Makefile \
utils/rmlsend/Makefile \
utils/sas_shim/Makefile \

6
docs/docbook/Makefile.am
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@ -33,12 +33,18 @@
all-local: cae.html\
cae.pdf\
rdrevert.8\
rdrevert.xml\
web_api.html\
web_api.pdf
man_MANS = rdrevert.8
EXTRA_DIST = cae.html\
cae.pdf\
cae.xml\
rdrevert.8\
rdrevert.xml\
web_api.html\
web_api.pdf\
web_api.xml

84
docs/docbook/rdrevert.xml Normal file
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@ -0,0 +1,84 @@
<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry id="stdin" xmlns="http://docbook.org/ns/docbook" version="5.0">
<!--
Header
-->
<refmeta>
<refentrytitle>rdrevert</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class='source'>March 2016</refmiscinfo>
<refmiscinfo class='manual'>Linux Audio Manual</refmiscinfo>
</refmeta>
<refnamediv>
<refname>rdrevert</refname>
<refpurpose>Revert a Rivendell database to a previous schema version</refpurpose>
</refnamediv>
<info>
<author>
<personname>
<firstname>Fred</firstname>
<surname>Gleason</surname>
<email>fredg@paravelsystems.com</email>
</personname>
<contrib>Application Author</contrib>
</author>
</info>
<!--
Body
-->
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>rdrevert</command>
<arg choice='opt'><replaceable>OPTIONS</replaceable></arg>
<arg choice='opt'><userinput>--set-schema=</userinput><replaceable>schema</replaceable></arg>
<arg choice='opt'><userinput>--set-version=</userinput><replaceable>version</replaceable></arg>
<sbr/>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'><title>Description</title>
<para>
<command>rdrevert</command><manvolnum>8</manvolnum> can be used to revert
the schema of a Rivendell database to an earlier version, specified as
either a Rivendell version string or an absolute schema version number.
If no arguments are given, <command>rdrevert</command><manvolnum>8</manvolnum>
will print the current database schema version to standard output and
then exit.
</para>
</refsect1>
<refsect1 id='options'><title>Options</title>
<variablelist remap='TP'>
<varlistentry>
<term>
<option>--set-schema=</option><replaceable>schema</replaceable>
</term>
<listitem>
<para>
Set the version number of the schema to which to revert.
<command>rdrevert</command><manvolnum>8</manvolnum> can revert back
up to schema version 242 (v2.10.0) inclusive. Attempting to
revert to an earlier schema than 242 will generate an
<computeroutput>unsupported schema</computeroutput> error.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>--set-version=</option><replaceable>version</replaceable>
</term>
<listitem>
<para>
Determine the schema to which to revert on the basis of the
specified Rivendell version --e.g. <userinput>2.10.3</userinput>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

1
rivendell.spec.in
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@ -286,6 +286,7 @@ rm -rf $RPM_BUILD_ROOT
/etc/security/console.apps/rdalsaconfig-root
%{_mandir}/man1/rdimport.1.gz
%{_mandir}/man8/rdmarkerset.8.gz
%{_mandir}/man8/rdrevert.8.gz
%doc AUTHORS
%doc ChangeLog
%doc COPYING

7
utils/Makefile.am
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@ -2,9 +2,7 @@
##
## Automake.am for rivendell/utils
##
## (C) Copyright 2002-2005 Fred Gleason <fredg@paravelsystems.com>
##
## $Id: Makefile.am,v 1.54.8.6 2014/01/16 02:44:59 cvs Exp $
## (C) Copyright 2002-2016 Fred Gleason <fredg@paravelsystems.com>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as
@ -45,8 +43,9 @@ SUBDIRS = $(ALSACONFIG_RD_OPT)\
rdmarkerset\
rdpopup\
rdpurgecasts\
rmlsend\
rdrevert\
rdsoftkeys\
rmlsend\
sas_shim
AM_CPPFLAGS = -Wall -DPREFIX=\"$(prefix)\" -DQTDIR=\"@QT_DIR@\" @QT_CXXFLAGS@ -I$(top_srcdir)/lib

50
utils/rdrevert/Makefile.am Normal file
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@ -0,0 +1,50 @@
## automake.am
##
## Automake.am for rivendell/utils/rdrevert
##
## (C) Copyright 2016 Fred Gleason <fredg@paravelsystems.com>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License version 2 as
## published by the Free Software Foundation.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public
## License along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
##
## Use automake to process this into a Makefile.in
AM_CPPFLAGS = -Wall -DPREFIX=\"$(prefix)\" -DQTDIR=\"@QT_DIR@\" @QT_CXXFLAGS@ -I$(top_srcdir)/lib
LIBS = @QT_LIBS@ -L$(top_srcdir)/lib
MOC = @QT_MOC@
# The dependency for qt's Meta Object Compiler (moc)
moc_%.cpp: %.h
$(MOC) $< -o $@
sbin_PROGRAMS = rdrevert
dist_rdrevert_SOURCES = rdrevert.cpp rdrevert.h
rdrevert_LDADD = @LIB_RDLIBS@ @LIBVORBIS@
CLEANFILES = *~\
*.exe\
*.idb\
*ilk\
*.obj\
*.pdb\
*.qm\
moc_*
MAINTAINERCLEANFILES = *~\
*.tar.gz\
aclocal.m4\
configure\
Makefile.in\
moc_*

339
utils/rdrevert/rdrevert.cpp Normal file
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@ -0,0 +1,339 @@
// rdrevert.cpp
//
// Revert the Rivendell database schema to an earlier version.
//
// (C) Copyright 2016 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <stdio.h>
#include <stdlib.h>
#include <map>
#include <qapplication.h>
#include <qstringlist.h>
#include <rdcmd_switch.h>
#include "rdrevert.h"
MainObject::MainObject(QObject *parent,const char *name)
:QObject(parent,name)
{
bool ok=false;
int set_schema=0;
//
// Read Command Options
//
RDCmdSwitch *cmd=
new RDCmdSwitch(qApp->argc(),qApp->argv(),"rdcollect",RDREVERT_USAGE);
for(unsigned i=0;i<cmd->keys();i++) {
if(cmd->key(i)=="--set-schema") {
set_schema=cmd->value(i).toInt(&ok);
if((!ok)||(set_schema<0)) {
fprintf(stderr,"rdrevert: invalid schema value\n");
exit(256);
}
cmd->setProcessed(i,true);
}
if(cmd->key(i)=="--set-version") {
if((set_schema=MapSchema(cmd->value(i)))==0) {
fprintf(stderr,"rdrevert: invalid/unsupported Rivendell version\n");
exit(256);
}
cmd->setProcessed(i,true);
}
}
if(!cmd->allProcessed()) {
fprintf(stderr,"rdrevert: unknown option\n");
exit(256);
}
//
// Load Local Configs
//
rev_config=new RDConfig();
rev_config->load();
//
// Open Database
//
rev_db=QSqlDatabase::addDatabase(rev_config->mysqlDriver());
if(!rev_db) {
fprintf(stderr,"rdrevert: unable to connect to mysql server\n");
exit(256);
}
rev_db->setDatabaseName(rev_config->mysqlDbname());
rev_db->setUserName(rev_config->mysqlUsername());
rev_db->setPassword(rev_config->mysqlPassword());
rev_db->setHostName(rev_config->mysqlHostname());
if(!rev_db->open()) {
fprintf(stderr,"rdrevert: unable to authenticate with mysql server\n");
rev_db->removeDatabase(rev_config->mysqlDbname());
exit(256);
}
int start_schema=GetVersion();
if(set_schema==0) {
printf("%d\n",start_schema);
exit(0);
}
if((set_schema<RDREVERT_BASE_SCHEMA)||(set_schema>start_schema)) {
fprintf(stderr,"rdrevert: unsupported schema\n");
exit(256);
}
while(start_schema>set_schema) {
Revert(start_schema--);
}
exit(0);
}
void MainObject::Revert(int schema) const
{
switch(schema) {
case 243:
Revert243();
break;
case 244:
Revert244();
break;
case 245:
Revert245();
break;
case 246:
Revert246();
break;
case 247:
Revert247();
break;
case 248:
Revert248();
break;
case 249:
Revert249();
break;
case 250:
Revert250();
break;
case 251:
Revert251();
break;
case 252:
Revert252();
break;
case 253:
Revert253();
break;
case 254:
Revert254();
break;
}
}
void MainObject::Revert243() const
{
QString sql;
QSqlQuery *q;
sql=QString("alter table STATIONS drop column HAVE_MP4_DECODE");
q=new QSqlQuery(sql);
delete q;
SetVersion(242);
}
void MainObject::Revert244() const
{
QString sql;
QSqlQuery *q;
sql=QString("alter table JACK_CLIENTS modify column COMMAND_LINE ")+
"char(255) not null";
q=new QSqlQuery(sql);
delete q;
SetVersion(243);
}
void MainObject::Revert245() const
{
QString sql;
QSqlQuery *q;
sql=QString("alter table RDLIBRARY drop column READ_ISRC");
q=new QSqlQuery(sql);
delete q;
SetVersion(244);
}
void MainObject::Revert246() const
{
SetVersion(245);
}
void MainObject::Revert247() const
{
SetVersion(246);
}
void MainObject::Revert248() const
{
SetVersion(247);
}
void MainObject::Revert249() const
{
SetVersion(248);
}
void MainObject::Revert250() const
{
SetVersion(249);
}
void MainObject::Revert251() const
{
SetVersion(250);
}
void MainObject::Revert252() const
{
SetVersion(251);
}
void MainObject::Revert253() const
{
SetVersion(252);
}
void MainObject::Revert254() const
{
QString sql;
QSqlQuery *q;
sql=QString("alter table CUTS drop column PLAY_ORDER");
q=new QSqlQuery(sql);
delete q;
sql=QString("alter table CART drop column USE_WEIGHTING");
q=new QSqlQuery(sql);
delete q;
SetVersion(253);
}
int MainObject::GetVersion() const
{
QString sql;
QSqlQuery *q;
int ret=0;
sql=QString("select DB from VERSION");
q=new QSqlQuery(sql);
if(q->first()) {
ret=q->value(0).toInt();
}
return ret;
}
void MainObject::SetVersion(int schema) const
{
QString sql;
QSqlQuery *q;
sql=QString().sprintf("update VERSION set DB=%d",schema);
q=new QSqlQuery(sql);
delete q;
}
int MainObject::MapSchema(const QString &ver)
{
QString version=ver;
bool ok=false;
//
// Version -> Schema Map
//
std::map<QString,int> version_map;
version_map["2.10"]=242;
version_map["2.11"]=245;
version_map["2.12"]=254;
//
// Normalize String
//
if(version.left(1).lower()=="v") {
version=version.right(version.length()-1);
}
QStringList f0=f0.split(".",version);
if(f0.size()!=3) {
return 0;
}
for(int i=0;i<3;i++) {
f0[i].toInt(&ok);
if(!ok) {
return 0;
}
}
//
// Lookup Schema
//
if(version_map.count(f0[0]+"."+f0[1])==0) {
return 0;
}
return version_map[f0[0]+"."+f0[1]];
}
int main(int argc,char *argv[])
{
QApplication a(argc,argv,false);
new MainObject(NULL,"main");
return a.exec();
}

61
utils/rdrevert/rdrevert.h Normal file
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@ -0,0 +1,61 @@
// rdrevert.h
//
// Revert the Rivendell database schema to an earlier version.
//
// (C) Copyright 2016 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef RDREVERT_H
#define RDREVERT_H
#include <map>
#include <qobject.h>
#include <rdconfig.h>
#include <rddb.h>
#define RDREVERT_BASE_SCHEMA 242
#define RDREVERT_USAGE "[options]\n"
class MainObject : public QObject
{
public:
MainObject(QObject *parent=0,const char *name=0);
private:
void Revert(int schema) const;
void Revert243() const;
void Revert244() const;
void Revert245() const;
void Revert246() const;
void Revert247() const;
void Revert248() const;
void Revert249() const;
void Revert250() const;
void Revert251() const;
void Revert252() const;
void Revert253() const;
void Revert254() const;
int GetVersion() const;
void SetVersion(int schema) const;
int MapSchema(const QString &ver);
RDConfig *rev_config;
QSqlDatabase *rev_db;
};
#endif // RDREVERT_H