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2 /*
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7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
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17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #pragma once
21 
22 #include <ibase.h>
23 
24 #include <connectivity/CommonTools.hxx>
25 #include <cppuhelper/compbase.hxx>
26 #include <cppuhelper/weakref.hxx>
27 #include <memory>
28 #include <OTypeInfo.hxx>
29 #include <unotools/tempfile.hxx>
30 
31 #include <com/sun/star/beans/PropertyValue.hpp>
32 #include <com/sun/star/document/DocumentEvent.hpp>
33 #include <com/sun/star/document/XDocumentEventListener.hpp>
34 #include <com/sun/star/embed/XStorage.hpp>
35 #include <com/sun/star/lang/XServiceInfo.hpp>
36 #include <com/sun/star/lang/XUnoTunnel.hpp>
37 #include <com/sun/star/sdbc/XBlob.hpp>
38 #include <com/sun/star/sdbc/XClob.hpp>
39 #include <com/sun/star/sdbc/XConnection.hpp>
40 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
41 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
42 #include <com/sun/star/util/XModifiable.hpp>
43 
44 namespace connectivity::firebird
45     {
46 
47         typedef ::cppu::WeakComponentImplHelper< css::document::XDocumentEventListener,
48                                                  css::lang::XServiceInfo,
49                                                  css::lang::XUnoTunnel,
50                                                  css::sdbc::XConnection,
51                                                  css::sdbc::XWarningsSupplier
52                                                > Connection_BASE;
53 
54         class OStatementCommonBase;
55         class FirebirdDriver;
56         class ODatabaseMetaData;
57 
58 
59         typedef std::vector< ::connectivity::OTypeInfo>   TTypeInfoVector;
60         typedef std::vector< css::uno::WeakReferenceHelper > OWeakRefArray;
61 
62         class Connection final : public Connection_BASE
63         {
64             ::osl::Mutex        m_aMutex;
65 
66             TTypeInfoVector     m_aTypeInfo;    //  vector containing an entry
67                                                                     //  for each row returned by
68                                                                     //  DatabaseMetaData.getTypeInfo.
69 
70             /** The URL passed to us when opening, i.e. of the form sdbc:* */
71             OUString     m_sConnectionURL;
72             /**
73              * The URL passed to firebird, i.e. either a local file (for a
74              * temporary .fdb extracted from a .odb or a normal local file) or
75              * a remote url.
76              */
77             OUString     m_sFirebirdURL;
78 
79             /* EMBEDDED MODE DATA */
80             /** Denotes that we have a database stored within a .odb file. */
81             bool            m_bIsEmbedded;
82 
83             /**
84              * Handle for the parent DatabaseDocument. We need to notify this
85              * whenever any data is written to our temporary database so that
86              * the user is able to save this back to the .odb file.
87              *
88              * Note that this is ONLY set in embedded mode.
89              */
90             css::uno::Reference< css::util::XModifiable >
91                 m_xParentDocument;
92 
93             /**
94              * Handle for the folder within the .odb where we store our .fbk
95              * (Only used if m_bIsEmbedded is true).
96              */
97             css::uno::Reference< css::embed::XStorage >
98                 m_xEmbeddedStorage;
99             /**
100              * The temporary folder where we extract the .fbk from a .odb,
101              * and also store the temporary .fdb
102              * It is only valid if m_bIsEmbedded is true.
103              *
104              * The extracted .fbk is written in firebird.fbk, the temporary
105              * .fdb is stored as firebird.fdb.
106              */
107             std::unique_ptr< ::utl::TempFile >  m_pDatabaseFileDir;
108             /**
109              * Path for our extracted .fbk file.
110              *
111              * (The temporary .fdb is our m_sFirebirdURL.)
112              */
113             OUString m_sFBKPath;
114 
115             void loadDatabaseFile(const OUString& pSrcLocation, const OUString& pTmpLocation);
116 
117             /**
118              * Run the backup service, use nAction =
119              * isc_action_svc_backup to backup, nAction = isc_action_svc_restore
120              * to restore.
121              */
122             void runBackupService(const short nAction);
123 
124             isc_svc_handle attachServiceManager();
125 
126             void detachServiceManager(isc_svc_handle pServiceHandle);
127 
128             /** We are using an external (local) file */
129             bool                m_bIsFile;
130 
131             /* CONNECTION PROPERTIES */
132             bool                m_bIsAutoCommit;
133             bool                m_bIsReadOnly;
134             sal_Int32           m_aTransactionIsolation;
135 
136             isc_db_handle       m_aDBHandle;
137             isc_tr_handle       m_aTransactionHandle;
138 
139             css::uno::WeakReference< css::sdbcx::XTablesSupplier>
140                                 m_xCatalog;
141             css::uno::WeakReference< css::sdbc::XDatabaseMetaData >
142                                 m_xMetaData;
143             /** Statements owned by this connection. */
144             OWeakRefArray       m_aStatements;
145 
146             /// @throws css::sdbc::SQLException
147             void buildTypeInfo();
148 
149             /**
150              * Creates a new transaction with the desired parameters, if
151              * necessary discarding an existing transaction. This has to be done
152              * anytime we change the transaction isolation, or autocommitting.
153              *
154              * @throws css::sdbc::SQLException
155              */
156             void setupTransaction();
157             void disposeStatements();
158 
159         public:
160             explicit Connection();
161             virtual ~Connection() override;
162 
163             /// @throws css::sdbc::SQLException
164             /// @throws css::uno::RuntimeException
165             void construct( const OUString& url,
166                                     const css::uno::Sequence< css::beans::PropertyValue >& info);
167 
getConnectionURL() const168             const OUString& getConnectionURL()  const   {return m_sConnectionURL;}
isEmbedded() const169             bool            isEmbedded()        const   {return m_bIsEmbedded;}
getDBHandle()170             isc_db_handle&  getDBHandle()               {return m_aDBHandle;}
171             /// @throws css::sdbc::SQLException
172             isc_tr_handle&  getTransaction();
173 
174             /**
175               * Must be called anytime the underlying database is likely to have
176               * changed.
177               *
178               * This is used to notify the database document of any changes, so
179               * that the user is informed of any pending changes needing to be
180               * saved.
181               */
182             void notifyDatabaseModified();
183 
184             /**
185              * Create a new Blob tied to this connection. Blobs are tied to a
186              * transaction and not to a statement, hence the connection should
187              * deal with their management.
188              *
189              * @throws css::sdbc::SQLException
190              * @throws css::uno::RuntimeException
191              */
192             css::uno::Reference< css::sdbc::XBlob>
193                 createBlob(ISC_QUAD const * pBlobID);
194             /// @throws css::sdbc::SQLException
195             /// @throws css::uno::RuntimeException
196             css::uno::Reference< css::sdbc::XClob>
197                 createClob(ISC_QUAD const * pBlobID);
198 
199             /**
200              * Create and/or connect to the sdbcx Catalog. This is completely
201              * unrelated to the SQL "Catalog".
202              */
203             css::uno::Reference< css::sdbcx::XTablesSupplier >
204                 createCatalog();
205 
206             // OComponentHelper
207             virtual void SAL_CALL disposing() override;
208 
209             // XServiceInfo
210             DECLARE_SERVICE_INFO();
211             // XUnoTunnel
212             virtual sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
213             static css::uno::Sequence<sal_Int8> getUnoTunnelId();
214             // XConnection
215             virtual css::uno::Reference< css::sdbc::XStatement > SAL_CALL createStatement(  ) override;
216             virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareStatement( const OUString& sql ) override;
217             virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareCall( const OUString& sql ) override;
218             virtual OUString SAL_CALL nativeSQL( const OUString& sql ) override;
219             virtual void SAL_CALL setAutoCommit( sal_Bool autoCommit ) override;
220             virtual sal_Bool SAL_CALL getAutoCommit(  ) override;
221             virtual void SAL_CALL commit(  ) override;
222             virtual void SAL_CALL rollback(  ) override;
223             virtual sal_Bool SAL_CALL isClosed(  ) override;
224             virtual css::uno::Reference< css::sdbc::XDatabaseMetaData > SAL_CALL getMetaData(  ) override;
225             virtual void SAL_CALL setReadOnly( sal_Bool readOnly ) override;
226             virtual sal_Bool SAL_CALL isReadOnly(  ) override;
227             virtual void SAL_CALL setCatalog( const OUString& catalog ) override;
228             virtual OUString SAL_CALL getCatalog(  ) override;
229             virtual void SAL_CALL setTransactionIsolation( sal_Int32 level ) override;
230             virtual sal_Int32 SAL_CALL getTransactionIsolation(  ) override;
231             virtual css::uno::Reference< css::container::XNameAccess > SAL_CALL getTypeMap(  ) override;
232             virtual void SAL_CALL setTypeMap( const css::uno::Reference< css::container::XNameAccess >& typeMap ) override;
233             // XCloseable
234             virtual void SAL_CALL close(  ) override;
235             // XWarningsSupplier
236             virtual css::uno::Any SAL_CALL getWarnings(  ) override;
237             virtual void SAL_CALL clearWarnings(  ) override;
238             // XDocumentEventListener
239             virtual void SAL_CALL documentEventOccured( const css::document::DocumentEvent& Event ) override;
240             // css.lang.XEventListener
241             virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
242 
243         };
244 
245 }
246 
247 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
248