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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
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:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <sal/config.h>
21 :
22 : #include "acceptor.hxx"
23 : #include <com/sun/star/bridge/BridgeFactory.hpp>
24 : #include <com/sun/star/connection/Acceptor.hpp>
25 : #include <com/sun/star/uno/XNamingService.hpp>
26 : #include <comphelper/processfactory.hxx>
27 : #include <cppuhelper/factory.hxx>
28 : #include <cppuhelper/supportsservice.hxx>
29 :
30 : using namespace css::bridge;
31 : using namespace css::connection;
32 : using namespace css::container;
33 : using namespace css::lang;
34 : using namespace css::uno;
35 :
36 : namespace desktop
37 : {
38 :
39 160 : extern "C" void offacc_workerfunc (void * acc)
40 : {
41 160 : osl_setThreadName("URP Acceptor");
42 :
43 160 : ((Acceptor*)acc)->run();
44 160 : }
45 :
46 160 : Acceptor::Acceptor( const Reference< XComponentContext >& rxContext )
47 : : m_thread(NULL)
48 : , m_rContext(rxContext)
49 : , m_bInit(false)
50 160 : , m_bDying(false)
51 : {
52 160 : m_rAcceptor = css::connection::Acceptor::create(m_rContext);
53 160 : m_rBridgeFactory = BridgeFactory::create(m_rContext);
54 160 : }
55 :
56 :
57 480 : Acceptor::~Acceptor()
58 : {
59 160 : m_rAcceptor->stopAccepting();
60 : oslThread t;
61 : {
62 160 : osl::MutexGuard g(m_aMutex);
63 160 : t = m_thread;
64 : }
65 : //prevent locking if the thread is still waiting
66 160 : m_bDying = true;
67 160 : m_cEnable.set();
68 160 : osl_joinWithThread(t);
69 : {
70 : // Make the final state of m_bridges visible to this thread (since
71 : // m_thread is joined, the code that follows is the only one left
72 : // accessing m_bridges):
73 160 : osl::MutexGuard g(m_aMutex);
74 : }
75 : for (;;) {
76 254 : css::uno::Reference< css::bridge::XBridge > b(m_bridges.remove());
77 254 : if (!b.is()) {
78 160 : break;
79 : }
80 : css::uno::Reference< css::lang::XComponent >(
81 94 : b, css::uno::UNO_QUERY_THROW)->dispose();
82 94 : }
83 320 : }
84 :
85 160 : void Acceptor::run()
86 : {
87 : SAL_INFO( "desktop.offacc", "Acceptor::run" );
88 : for (;;)
89 : {
90 : try
91 : {
92 : // wait until we get enabled
93 : SAL_INFO( "desktop.offacc",
94 : "Acceptor::run waiting for office to come up");
95 256 : m_cEnable.wait();
96 256 : if (m_bDying) //see destructor
97 224 : break;
98 : SAL_INFO( "desktop.offacc",
99 : "Acceptor::run now enabled and continuing");
100 :
101 : // accept connection
102 192 : Reference< XConnection > rConnection = m_rAcceptor->accept( m_aConnectString );
103 : // if we return without a valid connection we mus assume that the acceptor
104 : // is destructed so we break out of the run method terminating the thread
105 192 : if (! rConnection.is()) break;
106 192 : OUString aDescription = rConnection->getDescription();
107 : SAL_INFO( "desktop.offacc", "Acceptor::run connection " << aDescription );
108 :
109 : // create instanceprovider for this connection
110 : Reference< XInstanceProvider > rInstanceProvider(
111 192 : new AccInstanceProvider(m_rContext, rConnection));
112 : // create the bridge. The remote end will have a reference to this bridge
113 : // thus preventing the bridge from being disposed. When the remote end releases
114 : // the bridge, it will be destructed.
115 96 : Reference< XBridge > rBridge = m_rBridgeFactory->createBridge(
116 192 : "", m_aProtocol, rConnection, rInstanceProvider);
117 192 : osl::MutexGuard g(m_aMutex);
118 192 : m_bridges.add(rBridge);
119 0 : } catch (const Exception& e) {
120 : SAL_WARN("desktop.offacc", "caught Exception \"" << e.Message << "\"");
121 : // connection failed...
122 : // something went wrong during connection setup.
123 : // just wait for a new connection to accept
124 : }
125 96 : }
126 160 : }
127 :
128 : // XInitialize
129 256 : void Acceptor::initialize( const Sequence<Any>& aArguments )
130 : throw( Exception, std::exception )
131 : {
132 : // prevent multiple initialization
133 256 : osl::ClearableMutexGuard aGuard( m_aMutex );
134 : SAL_INFO( "desktop.offacc", "Acceptor::initialize()" );
135 :
136 256 : bool bOk = false;
137 :
138 : // arg count
139 256 : int nArgs = aArguments.getLength();
140 :
141 : // not yet initialized and acceptstring
142 256 : if (!m_bInit && nArgs > 0 && (aArguments[0] >>= m_aAcceptString))
143 : {
144 : SAL_INFO( "desktop.offacc", "Acceptor::initialize string=" << m_aAcceptString );
145 :
146 : // get connect string and protocol from accept string
147 : // "<connectString>;<protocol>"
148 160 : sal_Int32 nIndex1 = m_aAcceptString.indexOf( ';' );
149 160 : if (nIndex1 < 0)
150 : throw IllegalArgumentException(
151 0 : "Invalid accept-string format", m_rContext, 1);
152 160 : m_aConnectString = m_aAcceptString.copy( 0 , nIndex1 ).trim();
153 160 : nIndex1++;
154 160 : sal_Int32 nIndex2 = m_aAcceptString.indexOf( ';' , nIndex1 );
155 160 : if (nIndex2 < 0) nIndex2 = m_aAcceptString.getLength();
156 160 : m_aProtocol = m_aAcceptString.copy( nIndex1, nIndex2 - nIndex1 );
157 :
158 : // start accepting in new thread...
159 160 : m_thread = osl_createThread(offacc_workerfunc, this);
160 160 : m_bInit = true;
161 160 : bOk = true;
162 : }
163 :
164 : // do we want to enable accepting?
165 256 : bool bEnable = false;
166 352 : if (((nArgs == 1 && (aArguments[0] >>= bEnable)) ||
167 416 : (nArgs == 2 && (aArguments[1] >>= bEnable))) &&
168 : bEnable )
169 : {
170 96 : m_cEnable.set();
171 96 : bOk = true;
172 : }
173 :
174 256 : if (!bOk)
175 : {
176 0 : throw IllegalArgumentException( "invalid initialization", m_rContext, 1);
177 256 : }
178 256 : }
179 :
180 : // XServiceInfo
181 320 : OUString Acceptor::impl_getImplementationName()
182 : {
183 320 : return OUString("com.sun.star.office.comp.Acceptor");
184 : }
185 0 : OUString Acceptor::getImplementationName()
186 : throw (RuntimeException, std::exception)
187 : {
188 0 : return Acceptor::impl_getImplementationName();
189 : }
190 160 : Sequence<OUString> Acceptor::impl_getSupportedServiceNames()
191 : {
192 160 : Sequence<OUString> aSequence(1);
193 160 : aSequence[0] = "com.sun.star.office.Acceptor";
194 160 : return aSequence;
195 : }
196 0 : Sequence<OUString> Acceptor::getSupportedServiceNames()
197 : throw (RuntimeException, std::exception)
198 : {
199 0 : return Acceptor::impl_getSupportedServiceNames();
200 : }
201 :
202 0 : sal_Bool Acceptor::supportsService(OUString const & ServiceName)
203 : throw (css::uno::RuntimeException, std::exception)
204 : {
205 0 : return cppu::supportsService(this, ServiceName);
206 : }
207 :
208 : // Factory
209 160 : Reference< XInterface > Acceptor::impl_getInstance( const Reference< XMultiServiceFactory >& aFactory )
210 : {
211 : try {
212 160 : return (XComponent*) new Acceptor( comphelper::getComponentContext(aFactory) );
213 0 : } catch ( const Exception& ) {
214 0 : return (XComponent*) NULL;
215 : }
216 : }
217 :
218 : // InstanceProvider
219 96 : AccInstanceProvider::AccInstanceProvider(const Reference<XComponentContext>& rxContext, const Reference<XConnection>& rConnection)
220 : {
221 96 : m_rContext = rxContext;
222 96 : m_rConnection = rConnection;
223 96 : }
224 :
225 184 : AccInstanceProvider::~AccInstanceProvider()
226 : {
227 184 : }
228 :
229 132 : Reference<XInterface> AccInstanceProvider::getInstance (const OUString& aName )
230 : throw ( NoSuchElementException, std::exception )
231 : {
232 :
233 132 : Reference<XInterface> rInstance;
234 :
235 132 : if ( aName.equalsAscii( "StarOffice.ServiceManager" ) )
236 : {
237 36 : rInstance = Reference< XInterface >( m_rContext->getServiceManager() );
238 : }
239 96 : else if(aName.equalsAscii( "StarOffice.ComponentContext" ) )
240 : {
241 96 : rInstance = m_rContext;
242 : }
243 0 : else if ( aName.equalsAscii("StarOffice.NamingService" ) )
244 : {
245 : Reference< XNamingService > rNamingService(
246 0 : m_rContext->getServiceManager()->createInstanceWithContext("com.sun.star.uno.NamingService", m_rContext),
247 0 : UNO_QUERY );
248 0 : if ( rNamingService.is() )
249 : {
250 0 : rNamingService->registerObject(
251 0 : OUString("StarOffice.ServiceManager" ), m_rContext->getServiceManager() );
252 0 : rNamingService->registerObject(
253 0 : OUString("StarOffice.ComponentContext" ), m_rContext );
254 0 : rInstance = rNamingService;
255 0 : }
256 : }
257 132 : return rInstance;
258 : }
259 :
260 : }
261 :
262 : // component management stuff...
263 :
264 : extern "C"
265 : {
266 : using namespace desktop;
267 :
268 160 : SAL_DLLPUBLIC_EXPORT void * SAL_CALL offacc_component_getFactory(char const *pImplementationName, void *pServiceManager, void *)
269 : {
270 160 : void* pReturn = NULL ;
271 160 : if ( pImplementationName && pServiceManager )
272 : {
273 : // Define variables which are used in following macros.
274 160 : Reference< XSingleServiceFactory > xFactory;
275 : Reference< XMultiServiceFactory > xServiceManager(
276 320 : reinterpret_cast< XMultiServiceFactory* >(pServiceManager));
277 :
278 160 : if (desktop::Acceptor::impl_getImplementationName().equalsAscii( pImplementationName ) )
279 : {
280 320 : xFactory = Reference< XSingleServiceFactory >( cppu::createSingleFactory(
281 : xServiceManager, desktop::Acceptor::impl_getImplementationName(),
282 160 : desktop::Acceptor::impl_getInstance, desktop::Acceptor::impl_getSupportedServiceNames()) );
283 : }
284 :
285 : // Factory is valid - service was found.
286 160 : if ( xFactory.is() )
287 : {
288 160 : xFactory->acquire();
289 160 : pReturn = xFactory.get();
290 160 : }
291 : }
292 :
293 : // Return with result of this operation.
294 160 : return pReturn ;
295 : }
296 :
297 : } // extern "C"
298 :
299 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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