FreeBSDPlatformUtils.cpp
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上传日期:2007-01-10
资源大小:6948k
文件大小:19k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 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) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: FreeBSDPlatformUtils.cpp,v $
- * Revision 1.3 2001/12/03 16:25:00 tng
- * [Bug 5237] PATH_MAX undefined during build without threading support.
- *
- * Revision 1.2 2001/12/03 14:45:11 tng
- * FreeBSD native transcoder (IconvFBSD) added by Max Gotlib.
- *
- * Revision 1.1 2001/11/29 18:25:18 tng
- * FreeBSD support by Michael Huedepohl.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #if !defined(APP_NO_THREADS)
- #include <pthread.h>
- #endif
- #ifndef _GNU_SOURCE
- #error _GNU_SOURCE is not defined in your compile settings
- #endif
- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <errno.h>
- // #include <libgen.h>
- #include <sys/time.h>
- #include <string.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>
- #else
- // Use native transcoder. Same as -DXML_USE_NATIVE_TRANSCODER
- #include <util/Transcoders/IconvFBSD/IconvFBSDTransService.hpp>
- #endif
- #if defined(XML_USE_ICU_MESSAGELOADER)
- #include <util/MsgLoaders/ICU/ICUMsgLoader.hpp>
- #else
- // Same as -DXML_USE_INMEM_MESSAGELOADER
- #include <util/MsgLoaders/InMemory/InMemMsgLoader.hpp>
- #endif
- #if 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_SOCKET)
- return new SocketNetAccessor();
- #else
- return 0;
- #endif
- }
- 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;
- }
- // ---------------------------------------------------------------------------
- // 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);
- #else
- // same as -DXML_USE_INMEM_MESSAGELOADER
- 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)
- // Use ICU transcoding services.
- // same as -DXML_USE_ICU_MESSAGELOADER
- return new ICUTransService;
- #else
- // Use native transcoding services.
- // same as -DXML_USE_INMEM_MESSAGELOADER
- return new IconvFBSDTransService;
- #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)
- {
- 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);
- }
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: Timing Methods
- // ---------------------------------------------------------------------------
- unsigned long XMLPlatformUtils::getCurrentMillis()
- {
- struct timeval aTime;
- gettimeofday(&aTime, NULL);
- return (unsigned long) (aTime.tv_sec * 1000 + aTime.tv_usec / 1000);
- }
- 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];
- // get the absolute path
- char* retPath = realpath(newSrc, absPath);
- ArrayJanitor<char> janText2(retPath);
- 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;
- }
- // -----------------------------------------------------------------------
- // Mutex methods
- // -----------------------------------------------------------------------
- #if !defined(APP_NO_THREADS)
- // ---------------------------------------------------------------------------
- // XMLPlatformUtils: Platform init method
- // ---------------------------------------------------------------------------
- static XMLMutex atomicOpsMutex;
- void XMLPlatformUtils::platformInit()
- {
- //
- // The atomicOps mutex needs to be created early.
- // Normally, mutexes are created on first use, but there is a
- // circular dependency between compareAndExchange() and
- // mutex creation that must be broken.
- atomicOpsMutex.fHandle = XMLPlatformUtils::makeMutex();
- }
- void* XMLPlatformUtils::makeMutex()
- {
- pthread_mutex_t* mutex = new pthread_mutex_t;
- pthread_mutexattr_t* attr = new pthread_mutexattr_t;
- pthread_mutexattr_init(attr);
- pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE);
- if (pthread_mutex_init(mutex, attr))
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Mutex_CouldNotCreate);
- }
- pthread_mutexattr_destroy(attr);
- delete attr;
- return (void*)(mutex);
- }
- void XMLPlatformUtils::closeMutex(void* const mtxHandle)
- {
- if (mtxHandle != NULL)
- {
- if (pthread_mutex_destroy((pthread_mutex_t*) mtxHandle))
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Mutex_CouldNotDestroy);
- }
- delete mtxHandle;
- }
- }
- void XMLPlatformUtils::lockMutex(void* const mtxHandle)
- {
- if (mtxHandle != NULL)
- {
- if (pthread_mutex_lock((pthread_mutex_t*) mtxHandle))
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Mutex_CouldNotLock);
- }
- }
- }
- void XMLPlatformUtils::unlockMutex(void* const mtxHandle)
- {
- if (mtxHandle != NULL)
- {
- if (pthread_mutex_unlock((pthread_mutex_t*) mtxHandle))
- {
- ThrowXML(XMLPlatformUtilsException,
- XMLExcepts::Mutex_CouldNotUnlock);
- }
- }
- }
- // -----------------------------------------------------------------------
- // Miscellaneous synchronization methods
- // -----------------------------------------------------------------------
- void* XMLPlatformUtils::compareAndSwap(void** toFill
- , const void* const newValue
- , const void* const toCompare)
- {
- XMLMutexLock lockMutex(&atomicOpsMutex);
- void *retVal = *toFill;
- if (*toFill == toCompare)
- *toFill = (void *)newValue;
- return retVal;
- }
- int XMLPlatformUtils::atomicIncrement(int &location)
- {
- XMLMutexLock localLock(&atomicOpsMutex);
- return ++location;
- }
- int XMLPlatformUtils::atomicDecrement(int &location)
- {
- XMLMutexLock localLock(&atomicOpsMutex);
- return --location;
- }
- #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(atomicOpsMutex.fHandle);
- atomicOpsMutex.fHandle = 0;
- #endif
- }