/* * Copyright 1999-2004 The Apache Software Foundation. *  * Licensed 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 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//* * $Log: OpenServerPlatformUtils.cpp,v $ * Revision 1.16  2004/09/08 13:56:42  peiyongz * Apache License Version 2.0 * * Revision 1.15  2004/01/29 11:51:20  cargilld * Code cleanup changes to get rid of various compiler diagnostic messages. * * Revision 1.14  2004/01/13 16:34:21  cargilld * Misc memory management changes. * * Revision 1.13  2003/12/24 15:24:14  cargilld * More updates to memory management so that the static memory manager. * * Revision 1.12  2003/12/17 19:58:05  cargilld * Platform update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.11  2003/12/17 15:16:10  cargilld * Platform update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.10  2003/12/17 13:58:03  cargilld * Platform update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.9  2003/10/01 16:32:40  neilg * improve handling of out of memory conditions, bug #23415.  Thanks to David Cargill. * * Revision 1.8  2003/05/15 18:37:49  knoaman * Partial implementation of the configurable memory manager. * * Revision 1.7  2003/04/25 17:20:11  peiyongz * throw exception if getcwd() fails * * Revision 1.6  2003/04/24 02:55:58  peiyongz * Logical Path Resolution * * Revision 1.5  2003/03/09 16:57:18  peiyongz * PanicHandler * * Revision 1.4  2002/11/19 13:04:32  gareth * Bug# 14661 Caldera implemented openFileToWrite and writeBufferToFile. Patch from Cameron Dorrat. * * Revision 1.3  2002/11/04 15:13:01  tng * C++ Namespace Support. * * Revision 1.2  2002/05/21 20:31:47  tng * Minor update: Remove obsolete code * * Revision 1.1  2002/02/27 22:57:59  peiyongz * Bug# 6445 Caldera (SCO) OpenServer Port : patch from Martin Kalen * */// ---------------------------------------------------------------------------//  Includes// ---------------------------------------------------------------------------#if !defined (APP_NO_THREADS)#include     <pthread.h>#endif#include    <unistd.h>#include    <stdio.h>#include    <stdlib.h>#include    <errno.h>#include    <libgen.h>#include    <sys/time.h>#include    <netinet/in.h>#include    <arpa/inet.h>#include    <xercesc/util/PlatformUtils.hpp>#include    <xercesc/util/RuntimeException.hpp>#include    <xercesc/util/Janitor.hpp>#include    <xercesc/util/Mutexes.hpp>#include    <xercesc/util/XMLString.hpp>#include    <xercesc/util/XMLUniDefs.hpp>#include    <xercesc/util/XMLUni.hpp>#include    <xercesc/util/PanicHandler.hpp>#include    <xercesc/util/OutOfMemoryException.hpp>#if defined (XML_USE_ICU_TRANSCODER)#   include <xercesc/util/Transcoders/ICU/ICUTransService.hpp>#else//  Same as -DXML_USE_NATIVE_TRANSCODER#   include <xercesc/util/Transcoders/Iconv/IconvTransService.hpp>#endif#if defined(XML_USE_ICU_MESSAGELOADER)#   include <xercesc/util/MsgLoaders/ICU/ICUMsgLoader.hpp>#elif defined (XML_USE_ICONV_MESSAGELOADER)#   include <xercesc/util/MsgLoaders/MsgCatalog/MsgCatalogLoader.hpp>#else//  Same as -DXML_USE_INMEM_MESSAGELOADER#   include <xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.hpp>#endif#if defined (XML_USE_NETACCESSOR_LIBWWW)#   include <xercesc/util/NetAccessors/libWWW/LibWWWNetAccessor.hpp>#else//  Same as -DXML_USE_NETACCESSOR_SOCKET#   include <xercesc/util/NetAccessors/Socket/SocketNetAccessor.hpp>#endifXERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------//  XMLPlatformUtils: Private Static Methods// ---------------------------------------------------------------------------////  This method is called by the platform independent part of this class//  when client code asks to have one of the supported message sets loaded.//XMLMsgLoader* XMLPlatformUtils::loadAMsgSet(const XMLCh* const msgDomain){    XMLMsgLoader* retVal = 0;    try    {#if defined (XML_USE_ICU_MESSAGELOADER)        retVal = new ICUMsgLoader(msgDomain);#elif defined (XML_USE_ICONV_MESSAGELOADER)        retVal = new MsgCatalogLoader(msgDomain);#else        retVal = new InMemMsgLoader(msgDomain);#endif    }    catch(const OutOfMemoryException&)    {        throw;    }    catch(...)    {        panic(PanicHandler::Panic_CantLoadMsgDomain);    }    return retVal;}XMLNetAccessor* XMLPlatformUtils::makeNetAccessor(){#if defined (XML_USE_NETACCESSOR_LIBWWW)    return new LibWWWNetAccessor();#else    return new SocketNetAccessor();#endif}////  This method is called very early in the bootstrapping process. This guy//  must create a transcoding service and return it. It cannot use any string//  methods, any transcoding services, throw any exceptions, etc... It just//  makes a transcoding service and returns it, or returns zero on failure.//XMLTransService* XMLPlatformUtils::makeTransService(){#if defined (XML_USE_ICU_TRANSCODER)	return new ICUTransService;#else	return new IconvTransService;#endif}// ---------------------------------------------------------------------------//  XMLPlatformUtils: The panic method// ---------------------------------------------------------------------------void XMLPlatformUtils::panic(const PanicHandler::PanicReasons reason){    fgUserPanicHandler? fgUserPanicHandler->panic(reason) : fgDefaultPanicHandler->panic(reason);	}// ---------------------------------------------------------------------------//  XMLPlatformUtils: File Methods// ---------------------------------------------------------------------------unsigned int XMLPlatformUtils::curFilePos(FileHandle theFile                                          , MemoryManager* const manager){    // Get the current position    int curPos = ftell((FILE*)theFile);    if (curPos == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotGetSize, manager);    return (unsigned int)curPos;}void XMLPlatformUtils::closeFile(FileHandle theFile                                 , MemoryManager* const manager){    if (fclose((FILE*)theFile))        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotCloseFile, manager);}unsigned int XMLPlatformUtils::fileSize(FileHandle theFile                                        , MemoryManager* const manager){    // Get the current position    long int curPos = ftell((FILE*)theFile);    if (curPos == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotGetCurPos, manager);    // Seek to the end and save that value for return	if (fseek((FILE*)theFile, 0, SEEK_END))        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotSeekToEnd, manager);    long int retVal = ftell((FILE*)theFile);    if (retVal == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotSeekToEnd, manager);    // And put the pointer back    if (fseek((FILE*)theFile, curPos, SEEK_SET))        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotSeekToPos, manager);    return (unsigned int)retVal;}FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName                                      , MemoryManager* const manager){    const char* tmpFileName = XMLString::transcode(fileName, manager);    ArrayJanitor<char> janText((char*)tmpFileName, manager);    FileHandle retVal = (FILE*)fopen(tmpFileName , "rb");    if (retVal == NULL)        return 0;    return retVal;}FileHandle XMLPlatformUtils::openFile(const char* const fileName                                      , MemoryManager* const manager){    FileHandle retVal = (FILE*)fopen(fileName, "rb");    if (retVal == NULL)        return 0;    return retVal;}FileHandle XMLPlatformUtils::openFileToWrite(const XMLCh* const fileName                                             , MemoryManager* const manager){    const char* tmpFileName = XMLString::transcode(fileName, manager);    ArrayJanitor<char> janText((char*)tmpFileName, manager);    return fopen( tmpFileName , "wb" );}FileHandle XMLPlatformUtils::openFileToWrite(const char* const fileName                                             , MemoryManager* const manager){    return fopen( fileName , "wb" );}FileHandle XMLPlatformUtils::openStdInHandle(MemoryManager* const manager){	return (FileHandle)fdopen(dup(0), "rb");}unsigned int XMLPlatformUtils::readFileBuffer(FileHandle            theFile,											  const unsigned int    toRead,											  XMLByte* const        toFill                                              , MemoryManager* const manager){    size_t noOfItemsRead = fread((void*)toFill, 1, toRead, (FILE*)theFile);    if(ferror((FILE*)theFile))    {        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotReadFromFile, manager);    }    return (unsigned int)noOfItemsRead;}voidXMLPlatformUtils::writeBufferToFile( FileHandle     const  theFile                                   , long                  toWrite                                   , const XMLByte* const  toFlush                                   , MemoryManager* const  manager)                                   {    if (!theFile        ||        (toWrite <= 0 ) ||        !toFlush         )        return;    const XMLByte* tmpFlush = (const XMLByte*) toFlush;    size_t bytesWritten = 0;    while (true)    {        bytesWritten=fwrite(tmpFlush, sizeof(XMLByte), toWrite, (FILE*)theFile);        if(ferror((FILE*)theFile))        {            ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotWriteToFile, manager);        }        if (bytesWritten < toWrite) //incomplete write        {            tmpFlush+=bytesWritten;            toWrite-=bytesWritten;            bytesWritten=0;        }