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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /cppu/source/uno/lbenv.cxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cppu/source/uno/lbenv.cxx')
-rw-r--r--cppu/source/uno/lbenv.cxx1154
1 files changed, 1154 insertions, 0 deletions
diff --git a/cppu/source/uno/lbenv.cxx b/cppu/source/uno/lbenv.cxx
new file mode 100644
index 000000000..c67d47dc9
--- /dev/null
+++ b/cppu/source/uno/lbenv.cxx
@@ -0,0 +1,1154 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifdef DISABLE_DYNLOADING
+#include <config_java.h>
+#endif
+
+#include <cppu/EnvDcp.hxx>
+
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <osl/interlck.h>
+#include <osl/mutex.hxx>
+#include <osl/module.hxx>
+#include <osl/process.h>
+#include <rtl/process.h>
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/instance.hxx>
+#include <typelib/typedescription.h>
+#include <uno/dispatcher.h>
+#include <uno/environment.h>
+#include <uno/lbnames.h>
+#include "prim.hxx"
+#include "loadmodule.hxx"
+
+#include <unordered_map>
+#include <vector>
+#include <stdio.h>
+
+
+namespace
+{
+
+
+bool td_equals( typelib_InterfaceTypeDescription const * pTD1,
+ typelib_InterfaceTypeDescription const * pTD2 )
+{
+ return (pTD1 == pTD2 ||
+ (pTD1->aBase.pTypeName->length == pTD2->aBase.pTypeName->length &&
+ ::rtl_ustr_compare(
+ pTD1->aBase.pTypeName->buffer,
+ pTD2->aBase.pTypeName->buffer ) == 0));
+}
+
+struct uno_DefaultEnvironment;
+
+
+struct InterfaceEntry
+{
+ sal_Int32 refCount;
+ void * pInterface;
+ uno_freeProxyFunc fpFreeProxy;
+ typelib_InterfaceTypeDescription * pTypeDescr;
+};
+
+struct ObjectEntry
+{
+ OUString oid;
+ sal_Int32 nRef;
+ std::vector< InterfaceEntry > aInterfaces;
+ bool mixedObject;
+
+ explicit ObjectEntry( const OUString & rOId_ );
+
+ void append(
+ uno_DefaultEnvironment * pEnv,
+ void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr,
+ uno_freeProxyFunc fpFreeProxy );
+ InterfaceEntry * find(
+ typelib_InterfaceTypeDescription * pTypeDescr );
+ sal_Int32 find( void const * iface_ptr, std::size_t pos ) const;
+};
+
+
+struct FctPtrHash
+{
+ std::size_t operator () ( const void * pKey ) const
+ { return reinterpret_cast< std::size_t>( pKey ); }
+};
+
+
+// mapping from environment name to environment
+typedef std::unordered_map<
+ OUString, uno_Environment * > OUString2EnvironmentMap;
+
+// mapping from ptr to object entry
+typedef std::unordered_map<
+ void *, ObjectEntry *, FctPtrHash > Ptr2ObjectMap;
+// mapping from oid to object entry
+typedef std::unordered_map<
+ OUString, ObjectEntry * > OId2ObjectMap;
+
+struct EnvironmentsData
+{
+ ::osl::Mutex mutex;
+ OUString2EnvironmentMap aName2EnvMap;
+
+ EnvironmentsData() : isDisposing(false) {}
+ ~EnvironmentsData();
+
+ void getEnvironment(
+ uno_Environment ** ppEnv, const OUString & rEnvDcp, void * pContext );
+ void registerEnvironment( uno_Environment ** ppEnv );
+ void getRegisteredEnvironments(
+ uno_Environment *** pppEnvs, sal_Int32 * pnLen,
+ uno_memAlloc memAlloc, const OUString & rEnvDcp );
+
+ bool isDisposing;
+};
+
+struct theEnvironmentsData : public rtl::Static< EnvironmentsData, theEnvironmentsData > {};
+
+struct uno_DefaultEnvironment : public uno_ExtEnvironment
+{
+ sal_Int32 nRef;
+ sal_Int32 nWeakRef;
+
+ ::osl::Mutex mutex;
+ Ptr2ObjectMap aPtr2ObjectMap;
+ OId2ObjectMap aOId2ObjectMap;
+
+ uno_DefaultEnvironment(
+ const OUString & rEnvDcp_, void * pContext_ );
+ ~uno_DefaultEnvironment();
+};
+
+
+ObjectEntry::ObjectEntry( OUString const & rOId_ )
+ : oid( rOId_ ),
+ nRef( 0 ),
+ mixedObject( false )
+{
+ aInterfaces.reserve( 2 );
+}
+
+
+void ObjectEntry::append(
+ uno_DefaultEnvironment * pEnv,
+ void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr,
+ uno_freeProxyFunc fpFreeProxy )
+{
+ InterfaceEntry aNewEntry;
+ if (! fpFreeProxy)
+ (*pEnv->acquireInterface)( pEnv, pInterface );
+ aNewEntry.refCount = 1;
+ aNewEntry.pInterface = pInterface;
+ aNewEntry.fpFreeProxy = fpFreeProxy;
+ typelib_typedescription_acquire( &pTypeDescr->aBase );
+ aNewEntry.pTypeDescr = pTypeDescr;
+
+ std::pair< Ptr2ObjectMap::iterator, bool > i(
+ pEnv->aPtr2ObjectMap.emplace( pInterface, this ) );
+ SAL_WARN_IF(
+ !i.second && (find(pInterface, 0) == -1 || i.first->second != this),
+ "cppu",
+ "map already contains " << i.first->second << " != " << this << " for "
+ << pInterface);
+ aInterfaces.push_back( aNewEntry );
+}
+
+
+InterfaceEntry * ObjectEntry::find(
+ typelib_InterfaceTypeDescription * pTypeDescr_ )
+{
+ OSL_ASSERT( ! aInterfaces.empty() );
+ if (aInterfaces.empty())
+ return nullptr;
+
+ // shortcut common case:
+ OUString const & type_name =
+ OUString::unacquired( &pTypeDescr_->aBase.pTypeName );
+ if ( type_name == "com.sun.star.uno.XInterface" )
+ {
+ return aInterfaces.data();
+ }
+
+ std::size_t nSize = aInterfaces.size();
+ for ( std::size_t nPos = 0; nPos < nSize; ++nPos )
+ {
+ typelib_InterfaceTypeDescription * pITD =
+ aInterfaces[ nPos ].pTypeDescr;
+ while (pITD)
+ {
+ if (td_equals( pITD, pTypeDescr_ ))
+ return &aInterfaces[ nPos ];
+ pITD = pITD->pBaseTypeDescription;
+ }
+ }
+ return nullptr;
+}
+
+
+sal_Int32 ObjectEntry::find(
+ void const * iface_ptr, std::size_t pos ) const
+{
+ std::size_t size = aInterfaces.size();
+ for ( ; pos < size; ++pos )
+ {
+ if (aInterfaces[ pos ].pInterface == iface_ptr)
+ return pos;
+ }
+ return -1;
+}
+
+extern "C"
+{
+
+
+static void defenv_registerInterface(
+ uno_ExtEnvironment * pEnv, void ** ppInterface,
+ rtl_uString * pOId, typelib_InterfaceTypeDescription * pTypeDescr )
+{
+ OSL_ENSURE( pEnv && ppInterface && pOId && pTypeDescr, "### null ptr!" );
+ OUString const & rOId = OUString::unacquired( &pOId );
+
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::ClearableMutexGuard guard( that->mutex );
+
+ // try to insert dummy 0:
+ std::pair<OId2ObjectMap::iterator, bool> const insertion(
+ that->aOId2ObjectMap.emplace( rOId, nullptr ) );
+ if (insertion.second)
+ {
+ ObjectEntry * pOEntry = new ObjectEntry( rOId );
+ insertion.first->second = pOEntry;
+ ++pOEntry->nRef; // another register call on object
+ pOEntry->append( that, *ppInterface, pTypeDescr, nullptr );
+ }
+ else // object entry exists
+ {
+ ObjectEntry * pOEntry = insertion.first->second;
+ ++pOEntry->nRef; // another register call on object
+ InterfaceEntry * pIEntry = pOEntry->find( pTypeDescr );
+
+ if (pIEntry) // type entry exists
+ {
+ ++pIEntry->refCount;
+ if (pIEntry->pInterface != *ppInterface)
+ {
+ void * pInterface = pIEntry->pInterface;
+ (*pEnv->acquireInterface)( pEnv, pInterface );
+ guard.clear();
+ (*pEnv->releaseInterface)( pEnv, *ppInterface );
+ *ppInterface = pInterface;
+ }
+ }
+ else
+ {
+ pOEntry->append( that, *ppInterface, pTypeDescr, nullptr );
+ }
+ }
+}
+
+
+static void defenv_registerProxyInterface(
+ uno_ExtEnvironment * pEnv, void ** ppInterface, uno_freeProxyFunc freeProxy,
+ rtl_uString * pOId, typelib_InterfaceTypeDescription * pTypeDescr )
+{
+ OSL_ENSURE( pEnv && ppInterface && pOId && pTypeDescr && freeProxy,
+ "### null ptr!" );
+ OUString const & rOId = OUString::unacquired( &pOId );
+
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::ClearableMutexGuard guard( that->mutex );
+
+ // try to insert dummy 0:
+ std::pair<OId2ObjectMap::iterator, bool> const insertion(
+ that->aOId2ObjectMap.emplace( rOId, nullptr ) );
+ if (insertion.second)
+ {
+ ObjectEntry * pOEntry = new ObjectEntry( rOId );
+ insertion.first->second = pOEntry;
+ ++pOEntry->nRef; // another register call on object
+ pOEntry->append( that, *ppInterface, pTypeDescr, freeProxy );
+ }
+ else // object entry exists
+ {
+ ObjectEntry * pOEntry = insertion.first->second;
+
+ // first registration was an original, then registerProxyInterface():
+ pOEntry->mixedObject |=
+ (!pOEntry->aInterfaces.empty() &&
+ pOEntry->aInterfaces[ 0 ].fpFreeProxy == nullptr);
+
+ ++pOEntry->nRef; // another register call on object
+ InterfaceEntry * pIEntry = pOEntry->find( pTypeDescr );
+
+ if (pIEntry) // type entry exists
+ {
+ if (pIEntry->pInterface == *ppInterface)
+ {
+ ++pIEntry->refCount;
+ }
+ else
+ {
+ void * pInterface = pIEntry->pInterface;
+ (*pEnv->acquireInterface)( pEnv, pInterface );
+ --pOEntry->nRef; // manual revoke of proxy to be freed
+ guard.clear();
+ (*freeProxy)( pEnv, *ppInterface );
+ *ppInterface = pInterface;
+ }
+ }
+ else
+ {
+ pOEntry->append( that, *ppInterface, pTypeDescr, freeProxy );
+ }
+ }
+}
+
+
+static void s_stub_defenv_revokeInterface(va_list * pParam)
+{
+ uno_ExtEnvironment * pEnv = va_arg(*pParam, uno_ExtEnvironment *);
+ void * pInterface = va_arg(*pParam, void *);
+
+ OSL_ENSURE( pEnv && pInterface, "### null ptr!" );
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::ClearableMutexGuard guard( that->mutex );
+
+ Ptr2ObjectMap::const_iterator const iFind(
+ that->aPtr2ObjectMap.find( pInterface ) );
+ OSL_ASSERT( iFind != that->aPtr2ObjectMap.end() );
+ ObjectEntry * pOEntry = iFind->second;
+ if (! --pOEntry->nRef)
+ {
+ // cleanup maps
+ that->aOId2ObjectMap.erase( pOEntry->oid );
+ sal_Int32 nPos;
+ for ( nPos = pOEntry->aInterfaces.size(); nPos--; )
+ {
+ that->aPtr2ObjectMap.erase( pOEntry->aInterfaces[nPos].pInterface );
+ }
+
+ // the last proxy interface of the environment might kill this
+ // environment, because of releasing its language binding!!!
+ guard.clear();
+
+ // release interfaces
+ for ( nPos = pOEntry->aInterfaces.size(); nPos--; )
+ {
+ InterfaceEntry const & rEntry = pOEntry->aInterfaces[nPos];
+ typelib_typedescription_release( &rEntry.pTypeDescr->aBase );
+ if (rEntry.fpFreeProxy) // is proxy or used interface?
+ {
+ (*rEntry.fpFreeProxy)( pEnv, rEntry.pInterface );
+ }
+ else
+ {
+ (*pEnv->releaseInterface)( pEnv, rEntry.pInterface );
+ }
+ }
+
+ delete pOEntry;
+ }
+ else if (pOEntry->mixedObject)
+ {
+ OSL_ASSERT( !pOEntry->aInterfaces.empty() &&
+ pOEntry->aInterfaces[ 0 ].fpFreeProxy == nullptr );
+
+ sal_Int32 index = pOEntry->find( pInterface, 1 );
+ OSL_ASSERT( index > 0 );
+ if (index > 0)
+ {
+ InterfaceEntry & entry = pOEntry->aInterfaces[ index ];
+ OSL_ASSERT( entry.pInterface == pInterface );
+ if (entry.fpFreeProxy != nullptr)
+ {
+ --entry.refCount;
+ if (entry.refCount == 0)
+ {
+ uno_freeProxyFunc fpFreeProxy = entry.fpFreeProxy;
+ typelib_TypeDescription * pTypeDescr =
+ reinterpret_cast< typelib_TypeDescription * >(
+ entry.pTypeDescr );
+
+ pOEntry->aInterfaces.erase(
+ pOEntry->aInterfaces.begin() + index );
+ if (pOEntry->find( pInterface, index ) < 0)
+ {
+ // proxy ptr not registered for another interface:
+ // remove from ptr map
+ std::size_t erased =
+ that->aPtr2ObjectMap.erase( pInterface );
+ OSL_ASSERT( erased == 1 );
+ }
+
+ guard.clear();
+
+ typelib_typedescription_release( pTypeDescr );
+ (*fpFreeProxy)( pEnv, pInterface );
+ }
+ }
+ }
+ }
+}
+
+static void defenv_revokeInterface(uno_ExtEnvironment * pEnv, void * pInterface)
+{
+ uno_Environment_invoke(&pEnv->aBase, s_stub_defenv_revokeInterface, pEnv, pInterface);
+}
+
+
+static void defenv_getObjectIdentifier(
+ uno_ExtEnvironment * pEnv, rtl_uString ** ppOId, void * pInterface )
+{
+ OSL_ENSURE( pEnv && ppOId && pInterface, "### null ptr!" );
+ if (*ppOId)
+ {
+ ::rtl_uString_release( *ppOId );
+ *ppOId = nullptr;
+ }
+
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::ClearableMutexGuard guard( that->mutex );
+
+ Ptr2ObjectMap::const_iterator const iFind(
+ that->aPtr2ObjectMap.find( pInterface ) );
+ if (iFind == that->aPtr2ObjectMap.end())
+ {
+ guard.clear();
+ (*pEnv->computeObjectIdentifier)( pEnv, ppOId, pInterface );
+ }
+ else
+ {
+ rtl_uString * hstr = iFind->second->oid.pData;
+ rtl_uString_acquire( hstr );
+ *ppOId = hstr;
+ }
+}
+
+
+static void defenv_getRegisteredInterface(
+ uno_ExtEnvironment * pEnv, void ** ppInterface,
+ rtl_uString * pOId, typelib_InterfaceTypeDescription * pTypeDescr )
+{
+ OSL_ENSURE( pEnv && ppInterface && pOId && pTypeDescr, "### null ptr!" );
+ if (*ppInterface)
+ {
+ (*pEnv->releaseInterface)( pEnv, *ppInterface );
+ *ppInterface = nullptr;
+ }
+
+ OUString const & rOId = OUString::unacquired( &pOId );
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::MutexGuard guard( that->mutex );
+
+ OId2ObjectMap::const_iterator const iFind
+ ( that->aOId2ObjectMap.find( rOId ) );
+ if (iFind != that->aOId2ObjectMap.end())
+ {
+ InterfaceEntry const * pIEntry = iFind->second->find( pTypeDescr );
+ if (pIEntry)
+ {
+ (*pEnv->acquireInterface)( pEnv, pIEntry->pInterface );
+ *ppInterface = pIEntry->pInterface;
+ }
+ }
+}
+
+
+static void defenv_getRegisteredInterfaces(
+ uno_ExtEnvironment * pEnv, void *** pppInterfaces, sal_Int32 * pnLen,
+ uno_memAlloc memAlloc )
+{
+ assert(pEnv && pppInterfaces && pnLen && memAlloc && "### null ptr!");
+ uno_DefaultEnvironment * that =
+ static_cast< uno_DefaultEnvironment * >( pEnv );
+ ::osl::MutexGuard guard( that->mutex );
+
+ sal_Int32 nLen = that->aPtr2ObjectMap.size();
+ sal_Int32 nPos = 0;
+ void ** ppInterfaces = static_cast<void **>((*memAlloc)( nLen * sizeof (void *) ));
+
+ for (const auto& rEntry : that->aPtr2ObjectMap)
+ {
+ ppInterfaces[nPos] = rEntry.first;
+ (*pEnv->acquireInterface)( pEnv, ppInterfaces[nPos] );
+ nPos++;
+ }
+
+ *pppInterfaces = ppInterfaces;
+ *pnLen = nLen;
+}
+
+
+static void defenv_acquire( uno_Environment * pEnv )
+{
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ osl_atomic_increment( &that->nWeakRef );
+ osl_atomic_increment( &that->nRef );
+}
+
+
+static void defenv_release( uno_Environment * pEnv )
+{
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ if (! osl_atomic_decrement( &that->nRef ))
+ {
+ // invoke dispose callback
+ if (pEnv->environmentDisposing)
+ {
+ (*pEnv->environmentDisposing)( pEnv );
+ }
+
+ OSL_ENSURE( that->aOId2ObjectMap.empty(), "### object entries left!" );
+ }
+ // free memory if no weak refs left
+ if (! osl_atomic_decrement( &that->nWeakRef ))
+ {
+ delete that;
+ }
+}
+
+
+static void defenv_acquireWeak( uno_Environment * pEnv )
+{
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ osl_atomic_increment( &that->nWeakRef );
+}
+
+
+static void defenv_releaseWeak( uno_Environment * pEnv )
+{
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ if (! osl_atomic_decrement( &that->nWeakRef ))
+ {
+ delete that;
+ }
+}
+
+
+static void defenv_harden(
+ uno_Environment ** ppHardEnv, uno_Environment * pEnv )
+{
+ if (*ppHardEnv)
+ {
+ (*(*ppHardEnv)->release)( *ppHardEnv );
+ *ppHardEnv = nullptr;
+ }
+
+ EnvironmentsData & rData = theEnvironmentsData::get();
+
+ if (rData.isDisposing)
+ return;
+
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ {
+ ::osl::MutexGuard guard( rData.mutex );
+ if (1 == osl_atomic_increment( &that->nRef )) // is dead
+ {
+ that->nRef = 0;
+ return;
+ }
+ }
+ osl_atomic_increment( &that->nWeakRef );
+ *ppHardEnv = pEnv;
+}
+
+
+static void defenv_dispose( SAL_UNUSED_PARAMETER uno_Environment * )
+{
+}
+}
+
+
+uno_DefaultEnvironment::uno_DefaultEnvironment(
+ const OUString & rEnvDcp_, void * pContext_ )
+ : nRef( 0 ),
+ nWeakRef( 0 )
+{
+ uno_Environment * that = reinterpret_cast< uno_Environment * >(this);
+ that->pReserved = nullptr;
+ // functions
+ that->acquire = defenv_acquire;
+ that->release = defenv_release;
+ that->acquireWeak = defenv_acquireWeak;
+ that->releaseWeak = defenv_releaseWeak;
+ that->harden = defenv_harden;
+ that->dispose = defenv_dispose;
+ that->pExtEnv = this;
+ // identifier
+ ::rtl_uString_acquire( rEnvDcp_.pData );
+ that->pTypeName = rEnvDcp_.pData;
+ that->pContext = pContext_;
+
+ // will be late initialized
+ that->environmentDisposing = nullptr;
+
+ uno_ExtEnvironment::registerInterface = defenv_registerInterface;
+ uno_ExtEnvironment::registerProxyInterface = defenv_registerProxyInterface;
+ uno_ExtEnvironment::revokeInterface = defenv_revokeInterface;
+ uno_ExtEnvironment::getObjectIdentifier = defenv_getObjectIdentifier;
+ uno_ExtEnvironment::getRegisteredInterface = defenv_getRegisteredInterface;
+ uno_ExtEnvironment::getRegisteredInterfaces =
+ defenv_getRegisteredInterfaces;
+
+}
+
+
+uno_DefaultEnvironment::~uno_DefaultEnvironment()
+{
+ ::rtl_uString_release( aBase.pTypeName );
+}
+
+
+void writeLine(
+ void * stream, const char * pLine, const char * pFilter )
+{
+ if (pFilter && *pFilter)
+ {
+ // lookup pFilter in pLine
+ while (*pLine)
+ {
+ if (*pLine == *pFilter)
+ {
+ sal_Int32 nPos = 1;
+ while (pLine[nPos] && pFilter[nPos] == pLine[nPos])
+ {
+ ++nPos;
+ }
+ if (! pFilter[nPos])
+ {
+ if (stream)
+ {
+ fprintf( static_cast<FILE *>(stream), "%s\n", pLine );
+ }
+ else
+ {
+ SAL_WARN("cppu", pLine );
+ }
+ }
+ }
+ ++pLine;
+ }
+ }
+ else
+ {
+ if (stream)
+ {
+ fprintf( static_cast<FILE *>(stream), "%s\n", pLine );
+ }
+ else
+ {
+ fprintf( stderr, "%s\n", pLine );
+ }
+ }
+}
+
+
+void writeLine(
+ void * stream, const OUString & rLine, const char * pFilter )
+{
+ OString aLine( OUStringToOString(
+ rLine, RTL_TEXTENCODING_ASCII_US ) );
+ writeLine( stream, aLine.getStr(), pFilter );
+}
+
+}
+
+extern "C" void SAL_CALL uno_dumpEnvironment(
+ void * stream, uno_Environment * pEnv, const char * pFilter )
+ SAL_THROW_EXTERN_C()
+{
+ OSL_ENSURE( pEnv, "### null ptr!" );
+ OUStringBuffer buf;
+
+ if (! pEnv->pExtEnv)
+ {
+ writeLine( stream, "###################################"
+ "###########################################", pFilter );
+ buf.append( "environment: " );
+ buf.append( pEnv->pTypeName );
+ writeLine( stream, buf.makeStringAndClear(), pFilter );
+ writeLine( stream, "NO INTERFACE INFORMATION AVAILABLE!", pFilter );
+ return;
+ }
+
+ writeLine( stream, "########################################"
+ "######################################", pFilter );
+ buf.append( "environment dump: " );
+ buf.append( pEnv->pTypeName );
+ writeLine( stream, buf.makeStringAndClear(), pFilter );
+
+ uno_DefaultEnvironment * that =
+ reinterpret_cast< uno_DefaultEnvironment * >(pEnv);
+ ::osl::MutexGuard guard( that->mutex );
+
+ Ptr2ObjectMap ptr2obj( that->aPtr2ObjectMap );
+ for (const auto& rEntry : that->aOId2ObjectMap)
+ {
+ ObjectEntry * pOEntry = rEntry.second;
+
+ buf.append( "+ " );
+ if (pOEntry->mixedObject)
+ buf.append( "mixed " );
+ buf.append( "object entry: nRef=" );
+ buf.append( pOEntry->nRef );
+ buf.append( "; oid=\"" );
+ buf.append( pOEntry->oid );
+ buf.append( '\"' );
+ writeLine( stream, buf.makeStringAndClear(), pFilter );
+
+ for ( std::size_t nPos = 0;
+ nPos < pOEntry->aInterfaces.size(); ++nPos )
+ {
+ const InterfaceEntry & rIEntry = pOEntry->aInterfaces[nPos];
+
+ buf.append( " - " );
+ buf.append( rIEntry.pTypeDescr->aBase.pTypeName );
+ if (rIEntry.fpFreeProxy)
+ {
+ buf.append( "; proxy free=0x" );
+ buf.append(
+ reinterpret_cast< sal_IntPtr >(rIEntry.fpFreeProxy), 16 );
+ }
+ else
+ {
+ buf.append( "; original" );
+ }
+ buf.append( "; ptr=0x" );
+ buf.append(
+ reinterpret_cast< sal_IntPtr >(rIEntry.pInterface), 16 );
+
+ if (pOEntry->find( rIEntry.pInterface, nPos + 1 ) < 0)
+ {
+ std::size_t erased = ptr2obj.erase( rIEntry.pInterface );
+ if (erased != 1)
+ {
+ buf.append( " (ptr not found in map!)" );
+ }
+ }
+ writeLine( stream, buf.makeStringAndClear(), pFilter );
+ }
+ }
+ if (! ptr2obj.empty())
+ writeLine( stream, "ptr map inconsistency!!!", pFilter );
+ writeLine( stream, "#####################################"
+ "#########################################", pFilter );
+}
+
+
+extern "C" void SAL_CALL uno_dumpEnvironmentByName(
+ void * stream, rtl_uString * pEnvDcp, const char * pFilter )
+ SAL_THROW_EXTERN_C()
+{
+ uno_Environment * pEnv = nullptr;
+ uno_getEnvironment( &pEnv, pEnvDcp, nullptr );
+ if (pEnv)
+ {
+ ::uno_dumpEnvironment( stream, pEnv, pFilter );
+ (*pEnv->release)( pEnv );
+ }
+ else
+ {
+ writeLine(
+ stream, "environment \"" + OUString::unacquired(&pEnvDcp) + "\" does not exist!",
+ pFilter );
+ }
+}
+
+namespace
+{
+ class makeOIdPart
+ {
+ private:
+ OUString m_sOidPart;
+ public:
+ makeOIdPart()
+ {
+ OUStringBuffer aRet( 64 );
+ aRet.append( "];" );
+ // pid
+ oslProcessInfo info;
+ info.Size = sizeof(oslProcessInfo);
+ if (::osl_getProcessInfo( nullptr, osl_Process_IDENTIFIER, &info ) ==
+ osl_Process_E_None)
+ {
+ aRet.append( static_cast<sal_Int64>(info.Ident), 16 );
+ }
+ else
+ {
+ aRet.append( "unknown process id" );
+ }
+ // good guid
+ sal_uInt8 ar[16];
+ ::rtl_getGlobalProcessId( ar );
+ aRet.append( ';' );
+ for (unsigned char i : ar)
+ aRet.append( static_cast<sal_Int32>(i), 16 );
+
+ m_sOidPart = aRet.makeStringAndClear();
+ }
+ const OUString& getOIdPart() const { return m_sOidPart; }
+ };
+
+ class theStaticOIdPart : public rtl::Static<makeOIdPart, theStaticOIdPart> {};
+
+const OUString & unoenv_getStaticOIdPart()
+{
+ return theStaticOIdPart::get().getOIdPart();
+}
+
+}
+
+extern "C"
+{
+
+
+static void unoenv_computeObjectIdentifier(
+ uno_ExtEnvironment * pEnv, rtl_uString ** ppOId, void * pInterface )
+{
+ assert(pEnv && ppOId && pInterface && "### null ptr!");
+ if (*ppOId)
+ {
+ ::rtl_uString_release( *ppOId );
+ *ppOId = nullptr;
+ }
+
+ uno_Interface * pUnoI = static_cast<uno_Interface *>(
+ ::cppu::binuno_queryInterface(
+ pInterface, *typelib_static_type_getByTypeClass(
+ typelib_TypeClass_INTERFACE ) ));
+ if (nullptr == pUnoI)
+ return;
+
+ (*pUnoI->release)( pUnoI );
+ // interface
+ OUStringBuffer oid( 64 );
+ oid.append( reinterpret_cast< sal_Int64 >(pUnoI), 16 );
+ oid.append( ';' );
+ // environment[context]
+ oid.append( pEnv->aBase.pTypeName );
+ oid.append( '[' );
+ oid.append( reinterpret_cast< sal_Int64 >(
+ reinterpret_cast<
+ uno_Environment * >(pEnv)->pContext ), 16 );
+ // process;good guid
+ oid.append( unoenv_getStaticOIdPart() );
+ OUString aStr( oid.makeStringAndClear() );
+ *ppOId = aStr.pData;
+ ::rtl_uString_acquire( *ppOId );
+}
+
+
+static void unoenv_acquireInterface(
+ SAL_UNUSED_PARAMETER uno_ExtEnvironment *, void * pUnoI_ )
+{
+ uno_Interface * pUnoI = static_cast< uno_Interface * >(pUnoI_);
+ (*pUnoI->acquire)( pUnoI );
+}
+
+
+static void unoenv_releaseInterface(
+ SAL_UNUSED_PARAMETER uno_ExtEnvironment *, void * pUnoI_ )
+{
+ uno_Interface * pUnoI = static_cast< uno_Interface * >(pUnoI_);
+ (*pUnoI->release)( pUnoI );
+}
+}
+
+namespace {
+
+EnvironmentsData::~EnvironmentsData()
+{
+ ::osl::MutexGuard guard( mutex );
+ isDisposing = true;
+
+ for ( const auto& rEntry : aName2EnvMap )
+ {
+ uno_Environment * pWeak = rEntry.second;
+ uno_Environment * pHard = nullptr;
+ (*pWeak->harden)( &pHard, pWeak );
+ (*pWeak->releaseWeak)( pWeak );
+
+ if (pHard)
+ {
+ (*pHard->dispose)( pHard ); // send explicit dispose
+ (*pHard->release)( pHard );
+ }
+ }
+}
+
+
+void EnvironmentsData::getEnvironment(
+ uno_Environment ** ppEnv, const OUString & rEnvDcp, void * pContext )
+{
+ if (*ppEnv)
+ {
+ (*(*ppEnv)->release)( *ppEnv );
+ *ppEnv = nullptr;
+ }
+
+ OUString aKey = OUString::number( reinterpret_cast< sal_IntPtr >(pContext) ) + rEnvDcp;
+
+ // try to find registered mapping
+ OUString2EnvironmentMap::const_iterator const iFind(
+ aName2EnvMap.find( aKey ) );
+ if (iFind != aName2EnvMap.end())
+ {
+ uno_Environment * pWeak = iFind->second;
+ (*pWeak->harden)( ppEnv, pWeak );
+ }
+}
+
+
+void EnvironmentsData::registerEnvironment( uno_Environment ** ppEnv )
+{
+ OSL_ENSURE( ppEnv, "### null ptr!" );
+ uno_Environment * pEnv = *ppEnv;
+
+ OUString aKey =
+ OUString::number( reinterpret_cast< sal_IntPtr >(pEnv->pContext) ) +
+ OUString::unacquired(&pEnv->pTypeName);
+
+ // try to find registered environment
+ OUString2EnvironmentMap::const_iterator const iFind(
+ aName2EnvMap.find( aKey ) );
+ if (iFind == aName2EnvMap.end())
+ {
+ (*pEnv->acquireWeak)( pEnv );
+ std::pair< OUString2EnvironmentMap::iterator, bool > insertion (
+ aName2EnvMap.emplace( aKey, pEnv ) );
+ SAL_WARN_IF( !insertion.second, "cppu", "key " << aKey << " already in env map" );
+ }
+ else
+ {
+ uno_Environment * pHard = nullptr;
+ uno_Environment * pWeak = iFind->second;
+ (*pWeak->harden)( &pHard, pWeak );
+ if (pHard)
+ {
+ (*pEnv->release)( pEnv );
+ *ppEnv = pHard;
+ }
+ else // registered one is dead
+ {
+ (*pWeak->releaseWeak)( pWeak );
+ (*pEnv->acquireWeak)( pEnv );
+ aName2EnvMap[ aKey ] = pEnv;
+ }
+ }
+}
+
+
+void EnvironmentsData::getRegisteredEnvironments(
+ uno_Environment *** pppEnvs, sal_Int32 * pnLen, uno_memAlloc memAlloc,
+ const OUString & rEnvDcp )
+{
+ assert(pppEnvs && pnLen && memAlloc && "### null ptr!");
+
+ // max size
+ std::vector<uno_Environment*> aFounds(aName2EnvMap.size());
+ sal_Int32 nSize = 0;
+
+ // find matching environment
+ for ( const auto& rEntry : aName2EnvMap )
+ {
+ uno_Environment * pWeak = rEntry.second;
+ if (rEnvDcp.isEmpty() ||
+ rEnvDcp == pWeak->pTypeName )
+ {
+ aFounds[nSize] = nullptr;
+ (*pWeak->harden)( &aFounds[nSize], pWeak );
+ if (aFounds[nSize])
+ ++nSize;
+ }
+ }
+
+ *pnLen = nSize;
+ if (nSize)
+ {
+ *pppEnvs = static_cast<uno_Environment **>((*memAlloc)(
+ sizeof (uno_Environment *) * nSize ));
+ OSL_ASSERT( *pppEnvs );
+ while (nSize--)
+ {
+ (*pppEnvs)[nSize] = aFounds[nSize];
+ }
+ }
+ else
+ {
+ *pppEnvs = nullptr;
+ }
+}
+
+bool loadEnv(OUString const & cLibStem,
+ uno_Environment * pEnv)
+{
+#ifdef DISABLE_DYNLOADING
+ uno_initEnvironmentFunc fpInit;
+
+ if ( cLibStem == CPPU_CURRENT_LANGUAGE_BINDING_NAME "_uno" )
+ fpInit = CPPU_ENV_uno_initEnvironment;
+#if HAVE_FEATURE_JAVA
+ else if ( cLibStem == "java_uno" )
+ fpInit = java_uno_initEnvironment;
+#endif
+ else
+ {
+ SAL_INFO("cppu", ": Unhandled env: " << cLibStem);
+ return false;
+ }
+#else
+ // late init with some code from matching uno language binding
+ // will be unloaded by environment
+ osl::Module aMod;
+ try {
+ bool bMod = cppu::detail::loadModule(aMod, cLibStem);
+ if (!bMod)
+ return false;
+ }
+ catch(...) {
+ // Catch everything and convert to return false
+ return false;
+ }
+
+
+ uno_initEnvironmentFunc fpInit = reinterpret_cast<uno_initEnvironmentFunc>(aMod.getSymbol(UNO_INIT_ENVIRONMENT));
+
+ if (!fpInit)
+ return false;
+
+ aMod.release();
+#endif
+
+ (*fpInit)( pEnv ); // init of environment
+ return true;
+}
+
+}
+
+extern "C"
+{
+
+
+static uno_Environment * initDefaultEnvironment(
+ const OUString & rEnvDcp, void * pContext )
+{
+ // coverity[leaked_storage : FALSE] - lifetime is controlled by acquire()/release() calls
+ uno_Environment * pEnv = &(new uno_DefaultEnvironment( rEnvDcp, pContext ))->aBase;
+ (*pEnv->acquire)( pEnv );
+
+ OUString envTypeName = cppu::EnvDcp::getTypeName(rEnvDcp);
+
+ // create default environment
+ if ( envTypeName == UNO_LB_UNO )
+ {
+ uno_DefaultEnvironment * that = reinterpret_cast<uno_DefaultEnvironment *>(pEnv);
+ that->computeObjectIdentifier = unoenv_computeObjectIdentifier;
+ that->acquireInterface = unoenv_acquireInterface;
+ that->releaseInterface = unoenv_releaseInterface;
+
+ OUString envPurpose = cppu::EnvDcp::getPurpose(rEnvDcp);
+ if (!envPurpose.isEmpty())
+ {
+ OUString libStem(
+ envPurpose.copy(envPurpose.lastIndexOf(':') + 1) + "_uno_uno");
+ if(!loadEnv(libStem, pEnv))
+ {
+ pEnv->release(pEnv);
+ return nullptr;
+ }
+ }
+ }
+ else
+ {
+ // late init with some code from matching uno language binding
+ OUString aStr( envTypeName + "_uno" );
+
+ if (!loadEnv(aStr, pEnv))
+ {
+ pEnv->release(pEnv);
+ return nullptr;
+ }
+ }
+
+ return pEnv;
+}
+
+
+void SAL_CALL uno_createEnvironment(
+ uno_Environment ** ppEnv, rtl_uString * pEnvDcp, void * pContext )
+ SAL_THROW_EXTERN_C()
+{
+ assert(ppEnv && "### null ptr!");
+ if (*ppEnv)
+ (*(*ppEnv)->release)( *ppEnv );
+
+ OUString const & rEnvDcp = OUString::unacquired( &pEnvDcp );
+ *ppEnv = initDefaultEnvironment( rEnvDcp, pContext );
+}
+
+void SAL_CALL uno_getEnvironment(
+ uno_Environment ** ppEnv, rtl_uString * pEnvDcp, void * pContext )
+ SAL_THROW_EXTERN_C()
+{
+ assert(ppEnv && "### null ptr!");
+ OUString const & rEnvDcp = OUString::unacquired( &pEnvDcp );
+
+ EnvironmentsData & rData = theEnvironmentsData::get();
+
+ ::osl::MutexGuard guard( rData.mutex );
+ rData.getEnvironment( ppEnv, rEnvDcp, pContext );
+ if (! *ppEnv)
+ {
+ *ppEnv = initDefaultEnvironment( rEnvDcp, pContext );
+ if (*ppEnv)
+ {
+ // register new environment:
+ rData.registerEnvironment( ppEnv );
+ }
+ }
+}
+
+void SAL_CALL uno_getRegisteredEnvironments(
+ uno_Environment *** pppEnvs, sal_Int32 * pnLen, uno_memAlloc memAlloc,
+ rtl_uString * pEnvDcp )
+ SAL_THROW_EXTERN_C()
+{
+ EnvironmentsData & rData = theEnvironmentsData::get();
+
+ ::osl::MutexGuard guard( rData.mutex );
+ rData.getRegisteredEnvironments(
+ pppEnvs, pnLen, memAlloc,
+ (pEnvDcp ? OUString(pEnvDcp) : OUString()) );
+}
+
+} // extern "C"
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */