cppu/source/LogBridge/LogBridge.cxx

   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
  21 #include "osl/mutex.hxx"
  22 #include "osl/thread.h"
  23 #include "uno/dispatcher.h"
  24 #include "typelib/typedescription.hxx"
  25 #include "cppu/helper/purpenv/Environment.hxx"
  26 #include "cppu/helper/purpenv/Mapping.hxx"
  27 #include "cppu/EnvDcp.hxx"
  28 #include "rtl/logfile.hxx"
  29 #include "uno/environment.hxx"
  30 #include <com/sun/star/uno/Type.hxx>
  31 #include <boost/unordered_map.hpp>
  32 #include <memory>
  33
  34 namespace
  35 {
  36 class LogBridge : public cppu::Enterable
  37 {
  38     osl::Mutex          m_mutex;
  39     sal_Int32           m_count;
  40     oslThreadIdentifier m_threadId;
  41
  42     virtual  ~LogBridge(void);
  43
  44 public:
  45     explicit LogBridge(void);
  46
  47     virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam);
  48     virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam);
  49
  50     virtual void v_enter(void);
  51     virtual void v_leave(void);
  52
  53     virtual int  v_isValid(rtl::OUString * pReason);
  54 };
  55
  56 LogBridge::LogBridge(void)
  57     : m_count   (0)
  58       ,m_threadId(0)
  59 {
  60 }
  61
  62 LogBridge::~LogBridge(void)
  63 {
  64     OSL_ASSERT(m_count >= 0);
  65 }
  66
  67 void LogBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam)
  68 {
  69     enter();
  70     pCallee(pParam);
  71     leave();
  72 }
  73
  74 void LogBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
  75 {
  76     OSL_ASSERT(m_count > 0);
  77
  78     -- m_count;
  79     pCallee(pParam);
  80     ++ m_count;
  81
  82     if (!m_threadId)
  83         m_threadId = osl_getThreadIdentifier(NULL);
  84 }
  85
  86 void LogBridge::v_enter(void)
  87 {
  88     m_mutex.acquire();
  89
  90     OSL_ASSERT(m_count >= 0);
  91
  92     if (m_count == 0)
  93         m_threadId = osl_getThreadIdentifier(NULL);
  94
  95     ++ m_count;
  96 }
  97
  98 void LogBridge::v_leave(void)
  99 {
 100     OSL_ASSERT(m_count > 0);
 101
 102     -- m_count;
 103     if (!m_count)
 104         m_threadId = 0;
 105
 106
 107     m_mutex.release();
 108 }
 109
 110 int LogBridge::v_isValid(rtl::OUString * pReason)
 111 {
 112     int result = 1;
 113
 114     result = m_count > 0;
 115     if (!result)
 116         *pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("not entered"));
 117
 118     else
 119     {
 120         result = m_threadId == osl_getThreadIdentifier(NULL);
 121
 122         if (!result)
 123             *pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("wrong thread"));
 124     }
 125
 126     if (result)
 127         *pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("OK"));
 128
 129     return result;
 130 }
 131
 132     void traceValue(typelib_TypeDescriptionReference* _pTypeRef,void* pArg)
 133     {
 134         switch(_pTypeRef->eTypeClass)
 135         {
 136             case typelib_TypeClass_STRING:
 137                 {
 138                     const ::rtl::OString sValue( ::rtl::OUStringToOString(*static_cast< ::rtl::OUString*>(pArg),osl_getThreadTextEncoding()));
 139                     rtl_logfile_trace( "%s", sValue.getStr());
 140                 }
 141                 break;
 142             case typelib_TypeClass_BOOLEAN:
 143                 rtl_logfile_trace( "%d", *static_cast<sal_Bool*>(pArg));
 144                 break;
 145             case typelib_TypeClass_BYTE:
 146                 rtl_logfile_trace( "%d", *static_cast<sal_Int8*>(pArg));
 147                 break;
 148             case typelib_TypeClass_CHAR:
 149                 rtl_logfile_trace( "%c", *static_cast<sal_Char*>(pArg));
 150                 break;
 151             case typelib_TypeClass_SHORT:
 152             case typelib_TypeClass_UNSIGNED_SHORT:
 153                 rtl_logfile_trace( "%d", *static_cast<sal_Int16*>(pArg));
 154                 break;
 155             case typelib_TypeClass_LONG:
 156             case typelib_TypeClass_UNSIGNED_LONG:
 157             case typelib_TypeClass_ENUM:
 158                 rtl_logfile_trace( "%d", *static_cast<sal_Int32*>(pArg));
 159                 break;
 160             case typelib_TypeClass_HYPER:
 161             case typelib_TypeClass_UNSIGNED_HYPER:
 162                 rtl_logfile_trace( "%d", *static_cast<sal_Int64*>(pArg));
 163                 break;
 164             case typelib_TypeClass_FLOAT:
 165                 rtl_logfile_trace( "%f", *static_cast<float*>(pArg));
 166                 break;
 167             case typelib_TypeClass_DOUBLE:
 168                 rtl_logfile_trace( "%f", *static_cast<double*>(pArg));
 169                 break;
 170             case typelib_TypeClass_TYPE:
 171                 {
 172                     const ::rtl::OString sValue( ::rtl::OUStringToOString(((com::sun::star::uno::Type*)pArg)->getTypeName(),osl_getThreadTextEncoding()));
 173                     rtl_logfile_trace( "%s", sValue.getStr());
 174                 }
 175                 break;
 176             case typelib_TypeClass_ANY:
 177                 if ( static_cast<uno_Any*>(pArg)->pData )
 178                     traceValue(static_cast<uno_Any*>(pArg)->pType,static_cast<uno_Any*>(pArg)->pData);
 179                 else
 180                     rtl_logfile_trace( "void");
 181                 break;
 182             case typelib_TypeClass_EXCEPTION:
 183                 rtl_logfile_trace( "exception");
 184                 break;
 185             case typelib_TypeClass_INTERFACE:
 186                 {
 187                     const ::rtl::OString sValue( ::rtl::OUStringToOString(_pTypeRef->pTypeName,osl_getThreadTextEncoding()));
 188                     rtl_logfile_trace( "%s 0x%p", sValue.getStr(),pArg);
 189                 }
 190                 break;
 191             case typelib_TypeClass_VOID:
 192                 rtl_logfile_trace( "void");
 193                 break;
 194             default:
 195                 rtl_logfile_trace( "0x%p", pArg);
 196                 break;
 197         } // switch(pParams[i].pTypeRef->eTypeClass)
 198     }
 199 }
 200
 201 void LogProbe(
 202     bool                                pre,
 203     SAL_UNUSED_PARAMETER void         * /*pThis*/,
 204     SAL_UNUSED_PARAMETER void         * /*pContext*/,
 205     typelib_TypeDescriptionReference  * pReturnTypeRef,
 206     typelib_MethodParameter           * pParams,
 207     sal_Int32                           nParams,
 208     typelib_TypeDescription     const * pMemberType,
 209     void                              * pReturn,
 210     void                              * pArgs[],
 211     uno_Any                          ** ppException )
 212 {
 213     static ::std::auto_ptr< ::rtl::Logfile> pLogger;
 214     ::rtl::OString sTemp;
 215     if ( pMemberType && pMemberType->pTypeName )
 216         sTemp = ::rtl::OUStringToOString(pMemberType->pTypeName,RTL_TEXTENCODING_ASCII_US);
 217     if ( pre  )
 218     {
 219         rtl_logfile_longTrace( "{ LogBridge () %s", sTemp.getStr() );
 220         if ( nParams )
 221         {
 222             rtl_logfile_trace( "\n| : ( LogBridge ");
 223             for(sal_Int32 i = 0;i < nParams;++i)
 224             {
 225                 if ( i > 0 )
 226                     rtl_logfile_trace( ",");
 227                 traceValue(pParams[i].pTypeRef,pArgs[i]);
 228
 229             }
 230             rtl_logfile_trace( ")");
 231         } // if ( nParams )
 232         rtl_logfile_trace( "\n");
 233     }
 234     else if ( !pre )
 235     {
 236         rtl_logfile_longTrace( "} LogBridge () %s",sTemp.getStr());
 237         if ( ppException && *ppException )
 238         {
 239             rtl_logfile_trace( " excption occurred : ");
 240             typelib_TypeDescription * pElementTypeDescr = 0;
 241             TYPELIB_DANGER_GET( &pElementTypeDescr, (*ppException)->pType );
 242             const ::rtl::OString sValue( ::rtl::OUStringToOString(pElementTypeDescr->pTypeName,osl_getThreadTextEncoding()));
 243             rtl_logfile_trace( "%s", sValue.getStr());
 244             TYPELIB_DANGER_RELEASE( pElementTypeDescr );
 245         }
 246         else if ( pReturnTypeRef )
 247         {
 248             rtl_logfile_trace( " return : ");
 249             traceValue(pReturnTypeRef,pReturn);
 250         } // if ( pReturn && pReturnTypeRef )
 251
 252         rtl_logfile_trace( "\n");
 253     }
 254 }
 255
 256 #ifdef DISABLE_DYNLOADING
 257
 258 #define uno_initEnvironment log_uno_uno_initEnvironment
 259 #define uno_ext_getMapping log_uno_uno_ext_getMapping
 260
 261 #endif
 262
 263 extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_initEnvironment(uno_Environment * pEnv)
 264     SAL_THROW_EXTERN_C()
 265 {
 266     cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new LogBridge());
 267 }
 268
 269 extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_ext_getMapping(uno_Mapping     ** ppMapping,
 270                                    uno_Environment  * pFrom,
 271                                    uno_Environment  * pTo )
 272 {
 273     cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo,LogProbe);
 274 }
 275
 276 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */