connectivity/source/drivers/postgresql/pq_connection.hxx

   1 /*************************************************************************
   2  *
   3  *  $RCSfile: pq_connection.hxx,v $
   4  *
   5  *  $Revision: 1.1.2.4 $
   6  *
   7  *  last change: $Author: jbu $ $Date: 2004/06/10 15:26:55 $
   8  *
   9  *  The Contents of this file are made available subject to the terms of
  10  *  either of the following licenses
  11  *
  12  *         - GNU Lesser General Public License Version 2.1
  13  *         - Sun Industry Standards Source License Version 1.1
  14  *
  15  *  Sun Microsystems Inc., October, 2000
  16  *
  17  *  GNU Lesser General Public License Version 2.1
  18  *  =============================================
  19  *  Copyright 2000 by Sun Microsystems, Inc.
  20  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  21  *
  22  *  This library is free software; you can redistribute it and/or
  23  *  modify it under the terms of the GNU Lesser General Public
  24  *  License version 2.1, as published by the Free Software Foundation.
  25  *
  26  *  This library is distributed in the hope that it will be useful,
  27  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  28  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  29  *  Lesser General Public License for more details.
  30  *
  31  *  You should have received a copy of the GNU Lesser General Public
  32  *  License along with this library; if not, write to the Free Software
  33  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  34  *  MA  02111-1307  USA
  35  *
  36  *
  37  *  Sun Industry Standards Source License Version 1.1
  38  *  =================================================
  39  *  The contents of this file are subject to the Sun Industry Standards
  40  *  Source License Version 1.1 (the "License"); You may not use this file
  41  *  except in compliance with the License. You may obtain a copy of the
  42  *  License at http://www.openoffice.org/license.html.
  43  *
  44  *  Software provided under this License is provided on an "AS IS" basis,
  45  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  46  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  47  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  48  *  See the License for the specific provisions governing your rights and
  49  *  obligations concerning the Software.
  50  *
  51  *  The Initial Developer of the Original Code is: Joerg Budischewski
  52  *
  53  *   Copyright: 2000 by Sun Microsystems, Inc.
  54  *
  55  *   All Rights Reserved.
  56  *
  57  *   Contributor(s): Joerg Budischewski
  58  *
  59  *
  60  ************************************************************************/
  61
  62 #ifndef _PQ_CONNECTION_HXX_
  63 #define _PQ_CONNECTION_HXX_
  64 #include <hash_map>
  65 #include <com/sun/star/uno/XComponentContext.hpp>
  66
  67 #include <com/sun/star/lang/XInitialization.hpp>
  68
  69 #include <com/sun/star/script/XTypeConverter.hpp>
  70
  71 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
  72 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
  73 #include <com/sun/star/sdbcx/XUsersSupplier.hpp>
  74 #include <com/sun/star/sdbcx/XViewsSupplier.hpp>
  75 #include <com/sun/star/sdbc/XConnection.hpp>
  76
  77 #include <com/sun/star/container/XNameAccess.hpp>
  78
  79 #include <rtl/ref.hxx>
  80 #include <rtl/byteseq.hxx>
  81
  82 #include <salhelper/simplereferenceobject.hxx>
  83
  84 #include <cppuhelper/weakref.hxx>
  85 #include <cppuhelper/compbase6.hxx>
  86
  87 #include <libpq-fe.h>
  88 #include "pq_allocator.hxx"
  89
  90 namespace pq_sdbc_driver
  91 {
  92 #ifdef POSTGRE_TRACE
  93 #define POSTGRE_TRACE( x ) printf( "%s\n" , x )
  94 #define POSTGRE_TRACE_1( x ,y) printf( "%s %s\n" , x ,y )
  95 #else
  96 #define POSTGRE_TRACE(x) ((void)0)
  97 #define POSTGRE_TRACE_1(x,y) ((void)0)
  98 #endif
  99
 100 class RefCountedMutex : public salhelper::SimpleReferenceObject
 101 {
 102 public:
 103     osl::Mutex mutex;
 104 };
 105
 106 struct ConnectionSettings;
 107
 108
 109
 110 //--------------------------------------------------
 111 // Logging API
 112 //--------------------------------------------------
 113 namespace LogLevel
 114 {
 115 // when you add a loglevel, extend the log function !
 116 static const sal_Int32 NONE = 0;
 117 static const sal_Int32 ERROR = 1;
 118 static const sal_Int32 SQL = 2;
 119 static const sal_Int32 INFO = 3;
 120 static const sal_Int32 DATA = 4;
 121 }
 122 bool isLog( ConnectionSettings *settings, int loglevel );
 123 void log( ConnectionSettings *settings, sal_Int32 level, const rtl::OUString &logString );
 124 void log( ConnectionSettings *settings, sal_Int32 level, const char *str );
 125 //--------------------------------------------------
 126
 127 class Tables;
 128 class Views;
 129 struct ConnectionSettings
 130 {
 131     ConnectionSettings() :
 132         showSystemColumns( sal_False ),
 133         pConnection(0),
 134         encoding( RTL_TEXTENCODING_UTF8),
 135         logFile( 0 ),
 136         loglevel( LogLevel::INFO )
 137     {}
 138     rtl_TextEncoding encoding;
 139     PGconn *pConnection;
 140     ::com::sun::star::uno::Reference< com::sun::star::script::XTypeConverter > tc;
 141     ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess > tables;
 142     ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess > users;
 143     ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess > views;
 144     Tables *pTablesImpl;  // needed to implement renaming of tables / views
 145     Views *pViewsImpl;   // needed to implement renaming of tables / views
 146     ::rtl::OUString user;
 147     ::rtl::OUString catalog;
 148     sal_Bool showSystemColumns;
 149     FILE *logFile;
 150     sal_Int32 loglevel;
 151 };
 152
 153 //--------------------------------------------------
 154 typedef cppu::WeakComponentImplHelper6<
 155     com::sun::star::sdbc::XConnection,
 156     com::sun::star::sdbc::XWarningsSupplier,
 157     com::sun::star::lang::XInitialization,
 158     com::sun::star::sdbcx::XTablesSupplier,
 159     com::sun::star::sdbcx::XViewsSupplier,
 160     com::sun::star::sdbcx::XUsersSupplier > ConnectionBase;
 161
 162 // some types
 163 struct HashByteSequence
 164 {
 165     sal_Int32 operator () ( const ::rtl::ByteSequence & seq ) const
 166     {
 167         return *(sal_Int32*) seq.getConstArray();
 168     }
 169 };
 170
 171 typedef ::std::hash_map<
 172     ::rtl::ByteSequence,
 173     ::com::sun::star::uno::WeakReference< com::sun::star::sdbc::XCloseable >,
 174     HashByteSequence,
 175     ::std::equal_to< ::rtl::ByteSequence >,
 176     Allocator< std::pair< const ::rtl::ByteSequence,::com::sun::star::uno::WeakReference< com::sun::star::sdbc::XCloseable > > >
 177 > WeakHashMap;
 178 typedef ::std::vector< rtl::OString, Allocator< ::rtl::OString > > OStringVector;
 179
 180
 181
 182 typedef std::hash_map
 183 <
 184     const sal_Int32,
 185     rtl::OUString,
 186     ::std::hash< sal_Int32 >,
 187     ::std::equal_to< sal_Int32 >,
 188     Allocator< ::std::pair< sal_Int32, ::rtl::OUString > >
 189 > Int2StringMap;
 190
 191 class Connection : public ConnectionBase
 192 {
 193     ::com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > m_ctx;
 194     ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess > m_typeMap;
 195     ConnectionSettings m_settings;
 196     ::rtl::Reference< RefCountedMutex > m_refMutex;
 197     ::com::sun::star::uno::Reference< com::sun::star::sdbc::XDatabaseMetaData > m_meta;
 198     WeakHashMap m_myStatements;
 199
 200 private:
 201     void checkClosed()
 202         throw ( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException );
 203
 204 public:
 205     Connection(
 206         const rtl::Reference< RefCountedMutex > &refMutex,
 207         const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > & ctx );
 208
 209     ~Connection( );
 210
 211 public: // XCloseable
 212     virtual void SAL_CALL close()
 213         throw ( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException );
 214
 215 public: // XConnection
 216
 217     virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XStatement > SAL_CALL createStatement(  )
 218         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) ;
 219     virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPreparedStatement > SAL_CALL prepareStatement(
 220         const ::rtl::OUString& sql )
 221         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 222     virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPreparedStatement > SAL_CALL prepareCall(
 223         const ::rtl::OUString& sql )
 224         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 225     virtual ::rtl::OUString SAL_CALL nativeSQL( const ::rtl::OUString& sql )
 226         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 227     virtual void SAL_CALL setAutoCommit( sal_Bool autoCommit )
 228         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 229     virtual sal_Bool SAL_CALL getAutoCommit(  )
 230         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 231     virtual void SAL_CALL commit(  )
 232         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 233     virtual void SAL_CALL rollback(  )
 234         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 235     virtual sal_Bool SAL_CALL isClosed(  )
 236         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 237     virtual ::com::sun::star::uno::Reference< com::sun::star::sdbc::XDatabaseMetaData > SAL_CALL getMetaData(  )
 238         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 239     virtual void SAL_CALL setReadOnly( sal_Bool readOnly )
 240         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 241     virtual sal_Bool SAL_CALL isReadOnly(  )
 242         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 243     virtual void SAL_CALL setCatalog( const ::rtl::OUString& catalog )
 244         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 245     virtual ::rtl::OUString SAL_CALL getCatalog(  )
 246         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 247     virtual void SAL_CALL setTransactionIsolation( sal_Int32 level )
 248         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 249     virtual sal_Int32 SAL_CALL getTransactionIsolation(  )
 250         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 251     virtual ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess > SAL_CALL getTypeMap(  )
 252         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 253     virtual void SAL_CALL setTypeMap(
 254         const ::com::sun::star::uno::Reference< com::sun::star::container::XNameAccess >& typeMap )
 255         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 256
 257 public: // XWarningsSupplier
 258     virtual ::com::sun::star::uno::Any SAL_CALL getWarnings(  )
 259         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 260     virtual void SAL_CALL clearWarnings(  )
 261         throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
 262
 263 public: // XInitialization
 264     virtual void SAL_CALL initialize(
 265         const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments )
 266         throw (com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
 267
 268 public: // XTablesSupplier
 269     virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL getTables(  ) throw (::com::sun::star::uno::RuntimeException);
 270
 271 public: // XUsersSupplier
 272     virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL getUsers(  ) throw (::com::sun::star::uno::RuntimeException);
 273
 274 public: // XViewsSupplier
 275     virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL getViews(  ) throw (::com::sun::star::uno::RuntimeException);
 276
 277 public:
 278     virtual void SAL_CALL disposing();
 279
 280 public: // helper function
 281     void removeFromWeakMap( const ::rtl::ByteSequence & seq );
 282 };
 283
 284 }
 285 #endif