xref: /trunk/main/desktop/source/offacc/acceptor.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_desktop.hxx"
30 
31 #include "acceptor.hxx"
32 #include <unotools/bootstrap.hxx>
33 #include <vos/process.hxx>
34 #include <tools/urlobj.hxx>
35 #include <tools/stream.hxx>
36 #include <vcl/svapp.hxx>
37 #include <com/sun/star/beans/XPropertySet.hpp>
38 #ifndef _COM_SUN_STAR_UNO_XNAMEINGSERVICE_HPP_
39 #include <com/sun/star/uno/XNamingService.hpp>
40 #endif
41 
42 #include <cppuhelper/factory.hxx>
43 
44 namespace desktop
45 {
46 
47 extern "C" void workerfunc (void * acc)
48 {
49     ((Acceptor*)acc)->run();
50 }
51 
52 static Reference<XInterface> getComponentContext( const Reference<XMultiServiceFactory>& rFactory)
53 {
54     Reference<XInterface> rContext;
55     Reference< XPropertySet > rPropSet( rFactory, UNO_QUERY );
56     Any a = rPropSet->getPropertyValue(
57         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "DefaultContext" ) ) );
58     a >>= rContext;
59     return rContext;
60 }
61 
62 Mutex Acceptor::m_aMutex;
63 
64 Acceptor::Acceptor( const Reference< XMultiServiceFactory >& rFactory )
65     : m_thread(NULL)
66     , m_aAcceptString()
67     , m_aConnectString()
68     , m_aProtocol()
69     , m_bInit(sal_False)
70     , m_bDying(false)
71 {
72     m_rSMgr = rFactory;
73     m_rAcceptor = Reference< XAcceptor > (m_rSMgr->createInstance(
74         rtl::OUString::createFromAscii( "com.sun.star.connection.Acceptor" )),
75         UNO_QUERY );
76     m_rBridgeFactory = Reference < XBridgeFactory > (m_rSMgr->createInstance(
77         rtl::OUString::createFromAscii( "com.sun.star.bridge.BridgeFactory" )),
78         UNO_QUERY );
79     // get component context
80     m_rContext = getComponentContext(m_rSMgr);
81 }
82 
83 
84 Acceptor::~Acceptor()
85 {
86     m_rAcceptor->stopAccepting();
87     oslThread t;
88     {
89         osl::MutexGuard g(m_aMutex);
90         t = m_thread;
91     }
92     //prevent locking if the thread is still waiting
93     m_bDying = true;
94     m_cEnable.set();
95     osl_joinWithThread(t);
96     {
97         // Make the final state of m_bridges visible to this thread (since
98         // m_thread is joined, the code that follows is the only one left
99         // accessing m_bridges):
100         osl::MutexGuard g(m_aMutex);
101     }
102     for (;;) {
103         com::sun::star::uno::Reference< com::sun::star::bridge::XBridge > b(
104             m_bridges.remove());
105         if (!b.is()) {
106             break;
107         }
108         com::sun::star::uno::Reference< com::sun::star::lang::XComponent >(
109             b, com::sun::star::uno::UNO_QUERY_THROW)->dispose();
110     }
111 }
112 
113 void SAL_CALL Acceptor::run()
114 {
115     while ( m_rAcceptor.is() && m_rBridgeFactory.is()  )
116     {
117         RTL_LOGFILE_CONTEXT( aLog, "desktop (lo119109) Acceptor::run" );
118         try
119         {
120             // wait until we get enabled
121             RTL_LOGFILE_CONTEXT_TRACE( aLog, "desktop (lo119109)"\
122                 "Acceptor::run waiting for office to come up");
123             m_cEnable.wait();
124             if (m_bDying) //see destructor
125                 break;
126             RTL_LOGFILE_CONTEXT_TRACE( aLog, "desktop (lo119109)"\
127                 "Acceptor::run now enabled and continuing");
128 
129             // accept connection
130             Reference< XConnection > rConnection = m_rAcceptor->accept( m_aConnectString );
131             // if we return without a valid connection we mus assume that the acceptor
132             // is destructed so we break out of the run method terminating the thread
133             if (! rConnection.is()) break;
134             OUString aDescription = rConnection->getDescription();
135             RTL_LOGFILE_CONTEXT_TRACE1( aLog, "desktop (lo119109) Acceptor::run connection %s",
136                 OUStringToOString(aDescription, RTL_TEXTENCODING_ASCII_US).getStr());
137 
138             // create instanceprovider for this connection
139             Reference< XInstanceProvider > rInstanceProvider(
140                 (XInstanceProvider*)new AccInstanceProvider(m_rSMgr, rConnection));
141             // create the bridge. The remote end will have a reference to this bridge
142             // thus preventing the bridge from being disposed. When the remote end releases
143             // the bridge, it will be destructed.
144             Reference< XBridge > rBridge = m_rBridgeFactory->createBridge(
145                 rtl::OUString() ,m_aProtocol ,rConnection ,rInstanceProvider );
146             osl::MutexGuard g(m_aMutex);
147             m_bridges.add(rBridge);
148         } catch (Exception&) {
149             // connection failed...
150             // something went wrong during connection setup.
151             // just wait for a new connection to accept
152         }
153     }
154 }
155 
156 // XInitialize
157 void SAL_CALL Acceptor::initialize( const Sequence<Any>& aArguments )
158     throw( Exception )
159 {
160     // prevent multiple initialization
161     ClearableMutexGuard aGuard( m_aMutex );
162     RTL_LOGFILE_CONTEXT( aLog, "destop (lo119109) Acceptor::initialize()" );
163 
164     sal_Bool bOk = sal_False;
165 
166     // arg count
167     int nArgs = aArguments.getLength();
168 
169     // not yet initialized and acceptstring
170     if (!m_bInit && nArgs > 0 && (aArguments[0] >>= m_aAcceptString))
171     {
172         RTL_LOGFILE_CONTEXT_TRACE1( aLog, "desktop (lo119109) Acceptor::initialize string=%s",
173             OUStringToOString(m_aAcceptString, RTL_TEXTENCODING_ASCII_US).getStr());
174 
175         // get connect string and protocol from accept string
176         // "<connectString>;<protocol>"
177         sal_Int32 nIndex1 = m_aAcceptString.indexOf( (sal_Unicode) ';' );
178         if (nIndex1 < 0) throw IllegalArgumentException(
179             OUString::createFromAscii("Invalid accept-string format"), m_rContext, 1);
180         m_aConnectString = m_aAcceptString.copy( 0 , nIndex1 ).trim();
181         nIndex1++;
182         sal_Int32 nIndex2 = m_aAcceptString.indexOf( (sal_Unicode) ';' , nIndex1 );
183         if (nIndex2 < 0) nIndex2 = m_aAcceptString.getLength();
184         m_aProtocol = m_aAcceptString.copy( nIndex1, nIndex2 - nIndex1 );
185 
186         // start accepting in new thread...
187         m_thread = osl_createThread(workerfunc, this);
188         m_bInit = sal_True;
189         bOk = sal_True;
190     }
191 
192     // do we want to enable accepting?
193     sal_Bool bEnable = sal_False;
194     if (((nArgs == 1 && (aArguments[0] >>= bEnable)) ||
195          (nArgs == 2 && (aArguments[1] >>= bEnable))) &&
196         bEnable )
197     {
198         m_cEnable.set();
199         bOk = sal_True;
200     }
201 
202     if (!bOk)
203     {
204         throw IllegalArgumentException(
205             OUString::createFromAscii("invalid initialization"), m_rContext, 1);
206     }
207 }
208 
209 // XServiceInfo
210 const sal_Char *Acceptor::serviceName = "com.sun.star.office.Acceptor";
211 const sal_Char *Acceptor::implementationName = "com.sun.star.office.comp.Acceptor";
212 const sal_Char *Acceptor::supportedServiceNames[] = {"com.sun.star.office.Acceptor", NULL};
213 OUString Acceptor::impl_getImplementationName()
214 {
215     return OUString::createFromAscii( implementationName );
216 }
217 OUString SAL_CALL Acceptor::getImplementationName()
218     throw (RuntimeException)
219 {
220     return Acceptor::impl_getImplementationName();
221 }
222 Sequence<OUString> Acceptor::impl_getSupportedServiceNames()
223 {
224     Sequence<OUString> aSequence;
225     for (int i=0; supportedServiceNames[i]!=NULL; i++) {
226         aSequence.realloc(i+1);
227         aSequence[i]=(OUString::createFromAscii(supportedServiceNames[i]));
228     }
229     return aSequence;
230 }
231 Sequence<OUString> SAL_CALL Acceptor::getSupportedServiceNames()
232     throw (RuntimeException)
233 {
234     return Acceptor::impl_getSupportedServiceNames();
235 }
236 sal_Bool SAL_CALL Acceptor::supportsService( const OUString&)
237     throw (RuntimeException)
238 {
239     return sal_False;
240 }
241 
242 // Factory
243 Reference< XInterface > Acceptor::impl_getInstance( const Reference< XMultiServiceFactory >& aFactory )
244 {
245     try {
246         return (XComponent*) new Acceptor( aFactory );
247     } catch ( Exception& ) {
248         return (XComponent*) NULL;
249     }
250 }
251 
252 // InstanceProvider
253 AccInstanceProvider::AccInstanceProvider(const Reference<XMultiServiceFactory>& aFactory, const Reference<XConnection>& rConnection)
254 {
255     m_rSMgr = aFactory;
256     m_rConnection = rConnection;
257 }
258 
259 AccInstanceProvider::~AccInstanceProvider()
260 {
261 }
262 
263 Reference<XInterface> SAL_CALL AccInstanceProvider::getInstance (const OUString& aName )
264         throw ( NoSuchElementException )
265 {
266 
267     Reference<XInterface> rInstance;
268 
269     if ( aName.compareToAscii( "StarOffice.ServiceManager" ) == 0)
270     {
271         rInstance = Reference< XInterface >( m_rSMgr );
272     }
273     else if(aName.compareToAscii( "StarOffice.ComponentContext" ) == 0 )
274     {
275         rInstance = getComponentContext( m_rSMgr );
276     }
277     else if ( aName.compareToAscii("StarOffice.NamingService" ) == 0 )
278     {
279         Reference< XNamingService > rNamingService(
280             m_rSMgr->createInstance( OUString::createFromAscii( "com.sun.star.uno.NamingService" )),
281             UNO_QUERY );
282         if ( rNamingService.is() )
283         {
284             rNamingService->registerObject(
285                 OUString::createFromAscii( "StarOffice.ServiceManager" ), m_rSMgr );
286             rNamingService->registerObject(
287                 OUString::createFromAscii( "StarOffice.ComponentContext" ), getComponentContext( m_rSMgr ));
288             rInstance = rNamingService;
289         }
290     }
291     /*
292     else if ( aName.compareToAscii("com.sun.star.ucb.RemoteContentProviderAcceptor" ))
293     {
294         Reference< XMultiServiceFactory > rSMgr = ::comphelper::getProcessServiceFactory();
295         if ( rSMgr.is() ) {
296             try {
297                 rInstance = rSMgr->createInstance( sObjectName );
298             }
299             catch (Exception const &) {}
300         }
301     }
302     */
303     return rInstance;
304 }
305 
306 }
307 
308 // component management stuff...
309 // ----------------------------------------------------------------------------
310 extern "C"
311 {
312 using namespace desktop;
313 
314 void SAL_CALL
315 component_getImplementationEnvironment(const sal_Char **ppEnvironmentTypeName, uno_Environment **)
316 {
317     *ppEnvironmentTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME ;
318 }
319 
320 void * SAL_CALL
321 component_getFactory(const sal_Char *pImplementationName, void *pServiceManager, void *)
322 {
323     void* pReturn = NULL ;
324     if  ( pImplementationName && pServiceManager )
325     {
326         // Define variables which are used in following macros.
327         Reference< XSingleServiceFactory > xFactory;
328         Reference< XMultiServiceFactory >  xServiceManager(
329             reinterpret_cast< XMultiServiceFactory* >(pServiceManager));
330 
331         if (Acceptor::impl_getImplementationName().compareToAscii( pImplementationName ) == COMPARE_EQUAL )
332         {
333             xFactory = Reference< XSingleServiceFactory >( cppu::createSingleFactory(
334                 xServiceManager, Acceptor::impl_getImplementationName(),
335                 Acceptor::impl_getInstance, Acceptor::impl_getSupportedServiceNames()) );
336         }
337 
338         // Factory is valid - service was found.
339         if ( xFactory.is() )
340         {
341             xFactory->acquire();
342             pReturn = xFactory.get();
343         }
344     }
345 
346     // Return with result of this operation.
347     return pReturn ;
348 }
349 
350 } // extern "C"
351