UnixWarePlatformUtils.cpp
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上传日期:2007-01-10
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文件大小:21k
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xml/soap/webservice
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C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: UnixWarePlatformUtils.cpp,v $
- * Revision 1.11 2001/10/25 15:20:31 tng
- * Need to guard with NO_APP_THREADS when destroying the mutex.
- *
- * Revision 1.10 2001/10/23 23:13:09 peiyongz
- * [Bug#880] patch to PlatformUtils:init()/term() and related. from Mark Weaver
- *
- * Revision 1.9 2001/02/09 14:40:02 tng
- * Update support for SCO UnixWare 7 (gcc). Tested under UnixWare 7.1.1 with gcc version 2.95.2 19991024 (release) with gmake 3.79.1. Updated by Martin Kalen.
- *
- * Revision 1.8 2000/07/25 22:30:54 aruna1
- * Char definitions in XMLUni moved to XMLUniDefs
- *
- * Revision 1.7 2000/03/24 00:13:34 aruna1
- * Platform initialization taken care for both threaded and non-threaded environment
- *
- * Revision 1.6 2000/03/02 21:10:39 abagchi
- * Added empty function platformTerm()
- *
- * Revision 1.5 2000/03/02 20:42:42 abagchi
- * Fixed typo in XMLExcepts
- *
- * Revision 1.4 2000/03/02 19:55:33 roddey
- * This checkin includes many changes done while waiting for the
- * 1.1.0 code to be finished. I can't list them all here, but a list is
- * available elsewhere.
- *
- * Revision 1.3 2000/02/06 07:48:31 rahulj
- * Year 2K copyright swat.
- *
- * Revision 1.2 2000/01/25 22:33:13 aruna1
- * Updated panic information
- *
- * Revision 1.1 1999/12/17 22:24:03 rahulj
- * Added missing UnixWare files to the repository.
- *
- * Created by Ron Record (rr@sco.com) based on SolarisPlatformUtils.cpp
- * 13-Nov-1999
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #if !defined (APP_NO_THREADS)
- #include <pthread.h>
- #endif // APP_NO_THREADS
- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <errno.h>
- #include <libgen.h>
- #include <sys/timeb.h>
- #include <limits.h>
- #include <util/PlatformUtils.hpp>
- #include <util/RuntimeException.hpp>
- #include <util/Janitor.hpp>
- #include <util/Mutexes.hpp>
- #include <util/XMLString.hpp>
- #include <util/XMLUniDefs.hpp>
- #include <util/XMLUni.hpp>
- #if defined (XML_USE_ICU_TRANSCODER)
- #include <util/Transcoders/ICU/ICUTransService.hpp>
- #elif defined (XML_USE_NATIVE_TRANSCODER)
- #include <util/Transcoders/Iconv/IconvTransService.hpp>
- #else
- #error Transcoding service unknown by UnixWarePlatformUtils.cpp
- #endif
- #if defined(XML_USE_ICU_MESSAGELOADER)
- #include <util/MsgLoaders/ICU/ICUMsgLoader.hpp>
- #elif defined (XML_USE_ICONV_MESSAGELOADER)
- #include <util/MsgLoaders/MsgCatalog/MsgCatalogLoader.hpp>
- #elif defined (XML_USE_INMEM_MESSAGELOADER)
- #include <util/MsgLoaders/InMemory/InMemMsgLoader.hpp>
- #else
- #error Message loading service unknown by UnixWarePlatformUtils.cpp
- #endif
- #if defined (XML_USE_NETACCESSOR_LIBWWW)
- #include <util/NetAccessors/libWWW/LibWWWNetAccessor.hpp>
- #elif defined (XML_USE_NETACCESSOR_SOCKET)
- #include <util/NetAccessors/Socket/SocketNetAccessor.hpp>
- #endif
- // ---------------------------------------------------------------------------
- // Local Methods
- // ---------------------------------------------------------------------------
- static void WriteCharStr( FILE* stream, const char* const toWrite)
- {
- if (fputs(toWrite, stream) == EOF)
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Strm_StdErrWriteFailure);
- }
- }
- static void WriteUStrStdErr( const XMLCh* const toWrite)
- {
- char* tmpVal = XMLString::transcode(toWrite);
- ArrayJanitor<char> janText(tmpVal);
- if (fputs(tmpVal, stderr) == EOF)
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Strm_StdErrWriteFailure);
- }
- }
- static void WriteUStrStdOut( const XMLCh* const toWrite)
- {
- char* tmpVal = XMLString::transcode(toWrite);
- ArrayJanitor<char> janText(tmpVal);
- if (fputs(tmpVal, stdout) == EOF)
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Strm_StdOutWriteFailure);
- }
- }
- XMLNetAccessor* XMLPlatformUtils::makeNetAccessor()
- {
- #if defined (XML_USE_NETACCESSOR_LIBWWW)
- return new LibWWWNetAccessor();
- #elif defined (XML_USE_NETACCESSOR_SOCKET)
- return new SocketNetAccessor();
- #else
- return 0;
- #endif
- }
- // ---------------------------------------------------------------------------
- // 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;
- 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(...)
- {
- panic(XMLPlatformUtils::Panic_CantLoadMsgDomain);
- }
- return retVal;
- }
- //
- // 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;
- #elif defined (XML_USE_ICONV_TRANSCODER)
- return new IconvTransService;
- #else // Use Native transcoding service
- return new IconvTransService;
- #endif
- }
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: The panic method
- // ---------------------------------------------------------------------------
- void XMLPlatformUtils::panic(const PanicReasons reason)
- {
- const char* reasonStr = "Unknown reason";
- if (reason == Panic_NoTransService)
- reasonStr = "Could not load a transcoding service";
- else if (reason == Panic_NoDefTranscoder)
- reasonStr = "Could not load a local code page transcoder";
- else if (reason == Panic_CantFindLib)
- reasonStr = "Could not find the xerces-c DLL";
- else if (reason == Panic_UnknownMsgDomain)
- reasonStr = "Unknown message domain";
- else if (reason == Panic_CantLoadMsgDomain)
- reasonStr = "Cannot load message domain";
- else if (reason == Panic_SynchronizationErr)
- reasonStr = "Cannot synchronize system or mutex";
- else if (reason == Panic_SystemInit)
- reasonStr = "Cannot initialize the system or mutex";
- fprintf(stderr, "%sn", reasonStr);
- exit(-1);
- }
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: File Methods
- // ---------------------------------------------------------------------------
- unsigned int XMLPlatformUtils::curFilePos(FileHandle theFile)
- {
- // Get the current position
- int curPos = ftell((FILE*) theFile);
- if (curPos == -1)
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotGetSize);
- return (unsigned int)curPos;
- }
- void XMLPlatformUtils::closeFile(FileHandle theFile)
- {
- if (fclose((FILE*) theFile))
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotCloseFile);
- }
- unsigned int XMLPlatformUtils::fileSize(FileHandle theFile)
- {
- // Get the current position
- long int curPos = ftell((FILE*) theFile);
- if (curPos == -1)
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotGetCurPos);
- // Seek to the end and save that value for return
- if (fseek((FILE*) theFile, 0, SEEK_END))
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotSeekToEnd);
- long int retVal = ftell((FILE*) theFile);
- if (retVal == -1)
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotSeekToEnd);
- // And put the pointer back
- if (fseek((FILE*) theFile, curPos, SEEK_SET))
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotSeekToPos);
- return (unsigned int)retVal;
- }
- FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName)
- {
- const char* tmpFileName = XMLString::transcode(fileName);
- ArrayJanitor<char> janText((char*)tmpFileName);
- FileHandle retVal = (FILE*)fopen( tmpFileName , "rb" );
- if (retVal == NULL)
- return 0;
- return retVal;
- }
- FileHandle XMLPlatformUtils::openFile(const char* const fileName)
- {
- FileHandle retVal = (FILE*)fopen( fileName , "rb" );
- if (retVal == NULL)
- return 0;
- return retVal;
- }
- FileHandle XMLPlatformUtils::openStdInHandle()
- {
- return (FileHandle)fdopen(dup(0), "rb");
- }
- unsigned int
- XMLPlatformUtils::readFileBuffer( FileHandle theFile
- , const unsigned int toRead
- , XMLByte* const toFill)
- {
- size_t noOfItemsRead = fread((void*) toFill, 1, toRead, (FILE*) theFile);
- if(ferror((FILE*) theFile))
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotReadFromFile);
- }
- return (unsigned int) noOfItemsRead;
- }
- void XMLPlatformUtils::resetFile(FileHandle theFile)
- {
- // Seek to the start of the file
- if (fseek((FILE*) theFile, 0, SEEK_SET))
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotResetFile);
- }
- XMLCh* XMLPlatformUtils::weavePaths(const XMLCh* const basePath
- , const XMLCh* const relativePath)
- {
- // Create a buffer as large as both parts and empty it
- XMLCh* tmpBuf = new XMLCh[XMLString::stringLen(basePath)
- + XMLString::stringLen(relativePath)
- + 2];
- *tmpBuf = 0;
- //
- // If we have no base path, then just take the relative path as
- // is.
- //
- if (!basePath)
- {
- XMLString::copyString(tmpBuf, relativePath);
- return tmpBuf;
- }
- if (!*basePath)
- {
- XMLString::copyString(tmpBuf, relativePath);
- return tmpBuf;
- }
- const XMLCh* basePtr = basePath + (XMLString::stringLen(basePath) - 1);
- if ((*basePtr != chForwardSlash)
- && (*basePtr != chBackSlash))
- {
- while ((basePtr >= basePath)
- && ((*basePtr != chForwardSlash) && (*basePtr != chBackSlash)))
- {
- basePtr--;
- }
- }
- // There is no relevant base path, so just take the relative part
- if (basePtr < basePath)
- {
- XMLString::copyString(tmpBuf, relativePath);
- return tmpBuf;
- }
- // After this, make sure the buffer gets handled if we exit early
- ArrayJanitor<XMLCh> janBuf(tmpBuf);
- //
- // We have some path part, so we need to check to see if we ahve to
- // weave any of the parts together.
- //
- const XMLCh* pathPtr = relativePath;
- while (true)
- {
- // If it does not start with some period, then we are done
- if (*pathPtr != chPeriod)
- break;
- unsigned int periodCount = 1;
- pathPtr++;
- if (*pathPtr == chPeriod)
- {
- pathPtr++;
- periodCount++;
- }
- // Has to be followed by a or / or the null to mean anything
- if ((*pathPtr != chForwardSlash) && (*pathPtr != chBackSlash)
- && *pathPtr)
- {
- break;
- }
- if (*pathPtr)
- pathPtr++;
- // If its one period, just eat it, else move backwards in the base
- if (periodCount == 2)
- {
- basePtr--;
- while ((basePtr >= basePath)
- && ((*basePtr != chForwardSlash) && (*basePtr != chBackSlash)))
- {
- basePtr--;
- }
- // The base cannot provide enough levels, so its in error/
- if (basePtr < basePath)
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_BasePathUnderflow);
- }
- }
- // Copy the base part up to the base pointer
- XMLCh* bufPtr = tmpBuf;
- const XMLCh* tmpPtr = basePath;
- while (tmpPtr <= basePtr)
- *bufPtr++ = *tmpPtr++;
- // And then copy on the rest of our path
- XMLString::copyString(bufPtr, pathPtr);
- // Orphan the buffer and return it
- janBuf.orphan();
- return tmpBuf;
- }
- XMLCh* XMLPlatformUtils::getFullPath(const XMLCh* const srcPath)
- {
- //
- // NOTE: The path provided has always already been opened successfully,
- // so we know that its not some pathological freaky path. It comes in
- // in native format, and goes out as Unicode always
- //
- char* newSrc = XMLString::transcode(srcPath);
- ArrayJanitor<char> janText(newSrc);
- // Use a local buffer that is big enough for the largest legal path
- char *absPath = new char[PATH_MAX];
- ArrayJanitor<char> janText2(absPath);
- //get the absolute path
- char* retPath = realpath(newSrc, absPath);
- if (!retPath)
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::File_CouldNotGetBasePathName);
- }
- return XMLString::transcode(absPath);
- }
- bool XMLPlatformUtils::isRelative(const XMLCh* const toCheck)
- {
- // Check for pathological case of empty path
- if (!toCheck[0])
- return false;
- //
- // If it starts with a slash, then it cannot be relative. This covers
- // both something like "TestFile.xml" and an NT Lan type remote path
- // that starts with a node like "\MyNodeTestFile.xml".
- //
- if (toCheck[0] == XMLCh('/'))
- return false;
- // Else assume its a relative path
- return true;
- }
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: Timing Methods
- // ---------------------------------------------------------------------------
- unsigned long XMLPlatformUtils::getCurrentMillis()
- {
- timeb aTime;
- ftime(&aTime);
- return (unsigned long)(aTime.time*1000 + aTime.millitm);
- }
- // -----------------------------------------------------------------------
- // Mutex methods
- // -----------------------------------------------------------------------
- #if !defined (APP_NO_THREADS)
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: Platform init method
- // ---------------------------------------------------------------------------
- static pthread_mutex_t* gAtomicOpMutex =0 ;
- void XMLPlatformUtils::platformInit()
- {
- //
- // The gAtomicOpMutex mutex needs to be created
- // because compareAndSwap, atomicIncrement and atomicDecrement
- // does not have the atomic system calls for usage
- // Normally, mutexes are created on first use, but there is a
- // circular dependency between compareAndExchange() and
- // mutex creation that must be broken.
- gAtomicOpMutex = new pthread_mutex_t;
- if (pthread_mutex_init(gAtomicOpMutex, NULL))
- panic( XMLPlatformUtils::Panic_SystemInit );
- }
- class RecursiveMutex
- {
- public:
- pthread_mutex_t mutex;
- int recursionCount;
- pthread_t tid;
- RecursiveMutex() {
- if (pthread_mutex_init(&mutex, NULL))
- ThrowXML(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotCreate);
- recursionCount = 0;
- tid = 0;
- };
- ~RecursiveMutex() {
- if (pthread_mutex_destroy(&mutex))
- ThrowXML(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotDestroy);
- };
- void lock() {
- if (pthread_equal(tid, pthread_self()))
- {
- recursionCount++;
- return;
- }
- if (pthread_mutex_lock(&mutex) != 0)
- ThrowXML(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotLock);
- tid = pthread_self();
- recursionCount = 1;
- };
- void unlock() {
- if (--recursionCount > 0)
- return;
- if (pthread_mutex_unlock(&mutex) != 0)
- ThrowXML(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotUnlock);
- tid = 0;
- };
- };
- void* XMLPlatformUtils::makeMutex()
- {
- return new RecursiveMutex;
- };
- void XMLPlatformUtils::closeMutex(void* const mtxHandle)
- {
- if (mtxHandle == NULL)
- return;
- RecursiveMutex *rm = (RecursiveMutex *)mtxHandle;
- delete rm;
- };
- void XMLPlatformUtils::lockMutex(void* const mtxHandle)
- {
- if (mtxHandle == NULL)
- return;
- RecursiveMutex *rm = (RecursiveMutex *)mtxHandle;
- rm->lock();
- }
- void XMLPlatformUtils::unlockMutex(void* const mtxHandle)
- {
- if (mtxHandle == NULL)
- return;
- RecursiveMutex *rm = (RecursiveMutex *)mtxHandle;
- rm->unlock();
- }
- // -----------------------------------------------------------------------
- // Miscellaneous synchronization methods
- // -----------------------------------------------------------------------
- //atomic system calls in UnixWare is only restricted to kernel libraries
- //So, to make operations thread safe we implement static mutex and lock
- //the atomic operations. It makes the process slow but what's the alternative!
- void* XMLPlatformUtils::compareAndSwap ( void** toFill ,
- const void* const newValue ,
- const void* const toCompare)
- {
- if (pthread_mutex_lock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- void *retVal = *toFill;
- if (*toFill == toCompare)
- *toFill = (void *)newValue;
- if (pthread_mutex_unlock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- return retVal;
- }
- int XMLPlatformUtils::atomicIncrement(int &location)
- {
- if (pthread_mutex_lock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- int tmp = ++location;
- if (pthread_mutex_unlock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- return tmp;
- }
- int XMLPlatformUtils::atomicDecrement(int &location)
- {
- if (pthread_mutex_lock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- int tmp = --location;
- if (pthread_mutex_unlock( gAtomicOpMutex))
- panic(XMLPlatformUtils::Panic_SynchronizationErr);
- return tmp;
- }
- #else // #if !defined (APP_NO_THREADS)
- void XMLPlatformUtils::platformInit()
- {
- }
- void* XMLPlatformUtils::makeMutex()
- {
- return 0;
- }
- void XMLPlatformUtils::closeMutex(void* const mtxHandle)
- {
- }
- void XMLPlatformUtils::lockMutex(void* const mtxHandle)
- {
- }
- void XMLPlatformUtils::unlockMutex(void* const mtxHandle)
- {
- }
- void* XMLPlatformUtils::compareAndSwap ( void** toFill,
- const void* const newValue,
- const void* const toCompare)
- {
- void *retVal = *toFill;
- if (*toFill == toCompare)
- *toFill = (void *)newValue;
- return retVal;
- }
- int XMLPlatformUtils::atomicIncrement(int &location)
- {
- return ++location;
- }
- int XMLPlatformUtils::atomicDecrement(int &location)
- {
- return --location;
- }
- #endif // APP_NO_THREADS
- void XMLPlatformUtils::platformTerm()
- {
- #if !defined (APP_NO_THREADS)
- // delete the mutex we created
- closeMutex(gAtomicOpMutex.fHandle);
- gAtomicOpMutex.fHandle = 0;
- #endif
- }