pegasus/src/Pegasus/Common/FileSystem.cpp - diff

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Diff for /pegasus/src/Pegasus/Common/FileSystem.cpp between version 1.15 and 1.69

version 1.15, 2001/04/12 09:57:39

version 1.69, 2007/02/12 12:18:53

Line 1

//BEGIN_LICENSE

//%2006////////////////////////////////////////////////////////////////////////

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

// deal in the Software without restriction, including without limitation the

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// sell copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED

// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// Permission is hereby granted, free of charge, to any person obtaining a

//==============================================================================

// copy of this software and associated documentation files (the "Software"),

// to deal in the Software without restriction, including without limitation

// the rights to use, copy, modify, merge, publish, distribute, sublicense,

// and/or sell copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following conditions:

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

//%/////////////////////////////////////////////////////////////////////////////

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

// DEALINGS IN THE SOFTWARE.

//END_LICENSE

//BEGIN_HISTORY

// Author:

// $Log$

// Revision 1.15 2001/04/12 09:57:39 mike

// Post Channel Port to Linux

// Revision 1.13 2001/04/08 21:57:13 karl

// dir hier tested

// Revision 1.12 2001/04/08 20:31:55 mike

// Fixed

// Revision 1.11 2001/04/08 20:29:41 mike

// Added std:: before cout and endl

// Revision 1.10 2001/04/08 20:28:27 karl

// test

// Revision 1.9 2001/04/08 19:56:38 karl

// Test version

// Revision 1.8 2001/04/08 19:20:04 mike

// more TCP work

// Revision 1.7 2001/04/08 01:13:21 mike

// Changed "ConstCIM" to "CIMConst"

// Revision 1.5 2001/03/11 23:35:32 mike

// Ports to Linux

// Revision 1.3 2001/02/13 02:06:40 mike

// Added renameFile() method.

// Revision 1.2 2001/02/11 05:42:33 mike

// new

// Revision 1.1.1.1 2001/01/14 19:51:35 mike

// Pegasus import

//END_HISTORY

#include <iostream>

#include <cstdio>

//#include <cstdio>

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/System.h>

#include "Destroyer.h"

#include <Pegasus/Common/AutoPtr.h>

#include "FileSystem.h"

#include "System.h"

#include "Dir.h"

#ifndef PEGASUS_OS_TYPE_WINDOWS

using namespace std;

#include <pwd.h>

#endif

#include <Pegasus/Common/Tracer.h>

PEGASUS_NAMESPACE_BEGIN

// Clone the path as a C String but discard trailing slash if any:

static char* _clonePath(const String& path)

static CString _clonePath(const String& path)

{

char* p = path.allocateCString();

String clone = path;

if (!*p)

return p;

char* last = p + path.getLength() - 1;

if (clone.size() && clone[clone.size()-1] == '/')

clone.remove(clone.size()-1);

if (*last == '/')

return clone.getCString();

*last = '\0';

return p;

}

Boolean FileSystem::exists(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::exists(_clonePath(path));

return System::exists(p.getPointer());

}

Boolean FileSystem::getCurrentDirectory(String& path)

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return true;

}

Boolean FileSystem::existsIgnoreCase(const String& path, String& realPath)

Boolean FileSystem::existsNoCase(const String& path, String& realPath)

{

#ifdef PEGASUS_OS_OS400

// The OS/400 file system is case insensitive, so just call exists( ).

// This is faster, but the main reason to do this is to

// avoid multi-threading problems with the IFS directory APIs

// (even though they claim to be threadsafe).

realPath = path;

return exists(path);

#else

realPath.clear();

ArrayDestroyer<char> destroyer(_clonePath(path));

CString cpath = _clonePath(path);

char* p = destroyer.getPointer();

const char* p = cpath;

char* dirPath;

const char* dirPath;

char* fileName;

const char* fileName;

char* slash = strrchr(p, '/');

char* slash = (char *) strrchr(p, '/');

if (slash)

{

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dirPath = ".";

}

for (Dir dir(dirPath); dir.more(); dir.next())

{

if (CompareIgnoreCase(fileName, dir.getName()) == 0)

if (System::strcasecmp(fileName, dir.getName()) == 0)

{

if (strcmp(dirPath, ".") == 0)

realPath = dir.getName();

else

{

realPath = dirPath;

realPath += '/';

realPath.append('/');

realPath += dir.getName();

realPath.append(dir.getName());

}

return true;

}

return false;

#endif

}

Boolean FileSystem::canRead(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::canRead(_clonePath(path));

return System::canRead(p.getPointer());

}

Boolean FileSystem::canWrite(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::canWrite(_clonePath(path));

return System::canWrite(p.getPointer());

}

Boolean FileSystem::isDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::isDirectory(p.getPointer());

}

Boolean FileSystem::changeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::changeDirectory(p.getPointer());

}

Boolean FileSystem::makeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::makeDirectory(p.getPointer());

}

Boolean FileSystem::getFileSize(const String& path, Uint32& size)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::getFileSize(_clonePath(path), size);

return System::getFileSize(p.getPointer(), size);

}

Boolean FileSystem::removeDirectory(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::removeDirectory(p.getPointer());

}

Boolean FileSystem::removeDirectoryHier(const String& path)

{

Array<String> fileList;

// Get contents of current directory

if (!FileSystem::getDirectoryContents(path,fileList))

return false;

// for files-in-directory, delete or recall removedir

for (Uint32 i = 0, n = fileList.getSize(); i < n; i++)

{

String newPath = path; // extend path to subdir

newPath.append("/");

newPath.append(fileList[i]);

if (FileSystem::isDirectory(newPath))

{

// Recall ourselves with extended path

if (!FileSystem::removeDirectoryHier(newPath))

return false;

}

else

{

if (!FileSystem::removeFile(newPath))

return false;

}

return removeDirectory(path);

}

Boolean FileSystem::removeFile(const String& path)

{

ArrayDestroyer<char> p(_clonePath(path));

return System::removeFile(_clonePath(path));

return System::removeFile(p.getPointer());

}

void FileSystem::loadFileToMemory(

Array<Sint8>& array,

Buffer& array,

const String& fileName)

{

Uint32 fileSize;

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if (!getFileSize(fileName, fileSize))

throw CannotOpenFile(fileName);

char* tmp = fileName.allocateCString();

FILE* fp = fopen(fileName.getCString(), "rb");

FILE* fp = fopen(tmp, "rb");

delete [] tmp;

if (fp == NULL)

throw CannotOpenFile(fileName);

array.reserve(fileSize);

array.reserveCapacity(fileSize);

char buffer[4096];

size_t n;

while ((n = fread(buffer, 1, sizeof(buffer), fp)) > 0)

array.append(buffer, n);

array.append(buffer, static_cast<Uint32>(n));

fclose(fp);

}

Boolean FileSystem::compare(

Boolean FileSystem::compareFiles(

const String& fileName1,

const String& path1,

const String& fileName2)

const String& path2)

{

Uint32 fileSize1;

if (!getFileSize(fileName1, fileSize1))

if (!getFileSize(path1, fileSize1))

throw CannotOpenFile(fileName1);

throw CannotOpenFile(path1);

Uint32 fileSize2;

if (!getFileSize(fileName2, fileSize2))

if (!getFileSize(path2, fileSize2))

throw CannotOpenFile(fileName2);

throw CannotOpenFile(path2);

if (fileSize1 != fileSize2)

return false;

char* tmp1 = fileName1.allocateCString();

FILE* fp1 = fopen(path1.getCString(), "rb");

FILE* fp1 = fopen(tmp1, "rb");

delete [] tmp1;

if (fp1 == NULL)

throw CannotOpenFile(fileName1);

throw CannotOpenFile(path1);

char* tmp2 = fileName2.allocateCString();

FILE* fp2 = fopen(path2.getCString(), "rb");

FILE* fp2 = fopen(tmp2, "rb");

delete [] tmp2;

if (fp2 == NULL)

{

fclose(fp1);

throw CannotOpenFile(fileName2);

throw CannotOpenFile(path2);

}

int c1;

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return true;

}

Boolean FileSystem::renameFile(

const String& oldPath,

const String& newPath)

{

return System::renameFile(oldPath.getCString(), newPath.getCString());

}

Boolean FileSystem::copyFile(

const String& fromPath,

const String& toPath)

{

return System::copyFile(fromPath.getCString(), toPath.getCString());

}

Boolean FileSystem::openNoCase(PEGASUS_STD(ifstream)& is, const String& path)

{

String realPath;

if (!existsNoCase(path, realPath))

return false;

is.open(_clonePath(realPath) PEGASUS_IOS_BINARY);

return !!is;

}

Boolean FileSystem::openNoCase(

PEGASUS_STD(fstream)& fs,

const String& path,

int mode)

{

String realPath;

if (!existsNoCase(path, realPath))

return false;

#if defined(__GNUC__) && GCC_VERSION >= 30200

fs.open(_clonePath(realPath), PEGASUS_STD(ios_base::openmode)(mode));

#else

#if defined(PEGASUS_OS_OS400)

fs.open(_clonePath(realPath), mode, PEGASUS_STD(_CCSID_T(1208)) );

#else

fs.open(_clonePath(realPath), mode);

#endif

return !!fs;

}

Boolean FileSystem::isDirectory(const String& path)

{

return System::isDirectory(_clonePath(path));

}

Boolean FileSystem::changeDirectory(const String& path)

{

return System::changeDirectory(_clonePath(path));

}

Boolean FileSystem::makeDirectory(const String& path)

{

return System::makeDirectory(_clonePath(path));

}

Boolean FileSystem::removeDirectory(const String& path)

{

return System::removeDirectory(_clonePath(path));

}

Boolean FileSystem::removeDirectoryHier(const String& path)

{

Array<String> fileList;

// Get contents of current directory

if (!FileSystem::getDirectoryContents(path,fileList))

return false;

// for files-in-directory, delete or recall removedir

for (Uint32 i = 0, n = fileList.size(); i < n; i++)

{

String newPath = path; // extend path to subdir

newPath.append("/");

newPath.append(fileList[i]);

if (FileSystem::isDirectory(newPath))

{

// Recall ourselves with extended path

if (!FileSystem::removeDirectoryHier(newPath))

return false;

}

else

{

if (!FileSystem::removeFile(newPath))

return false;

}

return removeDirectory(path);

}

// Get the file list in the directory into the

// array of strings provided

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const String& path,

Array<String>& paths)

{

// This may be just extra fluff but added anyway

if (!FileSystem::isDirectory(path))

return false;

paths.clear();

try

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{

return false;

}

Boolean FileSystem::isDirectoryEmpty(const String& path)

{

for (Dir dir(path); dir.more(); dir.next())

{

const char* name = dir.getName();

if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)

return false;

}

Boolean FileSystem::renameFile(

return true;

const String& oldFileName,

}

const String& newFileName)

void FileSystem::translateSlashes(String& path)

{

for (Uint32 i = 0; i < path.size(); i++)

{

if (path[i] == '\\')

path[i] = '/';

}

// Return the just the base name from the path.

String FileSystem::extractFileName(const String& path)

{

ArrayDestroyer<char> p(oldFileName.allocateCString());

AutoArrayPtr<char> p_path(new char[path.size() + 1]);

ArrayDestroyer<char> q(newFileName.allocateCString());

String basename = System::extract_file_name(

return System::renameFile(p.getPointer(), q.getPointer());

(const char*)path.getCString(), p_path.get());

return basename;

}

// Return just the path to the file or directory into path

String FileSystem::extractFilePath(const String& path)

{

AutoArrayPtr<char> p_path(new char[path.size() + 1]);

String newpath = System::extract_file_path(

(const char*)path.getCString(), p_path.get());

return newpath;

}

// Changes file permissions on the given file.

Boolean FileSystem::changeFilePermissions(const String& path, mode_t mode)

{

#if defined(PEGASUS_OS_OS400)

// ATTN: If getCString() is modified to return UTF8, then handle the

// EBCDIC coversion in SystemUnix.cpp

CString tempPath = path.getCString();

#else

CString tempPath = path.getCString();

#endif

return System::changeFilePermissions(tempPath, mode);

}

String FileSystem::getAbsoluteFileName(

const String& paths,

const String& filename)

{

Uint32 pos = 0;

Uint32 token = 0;

String path;

String root;

String tempPath = paths;

{

if ((pos = tempPath.find(FileSystem::getPathDelimiter())) ==

PEG_NOT_FOUND)

{

pos = tempPath.size();

token = 0;

}

else

{

token = 1;

}

path = tempPath.subString(0, pos);

tempPath.remove(0,pos+token);

if (FileSystem::exists(path + "/" + filename) == true)

{

root = path + "/" + filename;

break;

}

else

{

// cout << "File does not exist.\n";

}

} while (tempPath.size() > 0);

return root;

}

String FileSystem::buildLibraryFileName(const String &libraryName)

{

String fileName;

// Add the necessary prefix and suffix to convert the library name to its

// corresponding file name.

#if defined(PEGASUS_OS_TYPE_WINDOWS)

fileName = libraryName + String(".dll");

#elif defined(PEGASUS_PLATFORM_HPUX_PARISC_ACC)

fileName = String("lib") + libraryName + String(".sl");

#elif defined(PEGASUS_OS_OS400)

fileName = libraryName;

#elif defined(PEGASUS_OS_DARWIN)

fileName = String("lib") + libraryName + String(".dylib");

#elif defined(PEGASUS_OS_VMS)

fileName = String("lib") + libraryName;

#else

fileName = String("lib") + libraryName + String(".so");

#endif

return fileName;

}

Boolean GetLine(PEGASUS_STD(istream)& is, String& line)

{

line.clear();

Boolean gotChar = false;

#ifdef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM

char input[1000];

is.getline(input,1000);

line.assign(input);

gotChar = !(is.rdstate() & PEGASUS_STD(istream)::failbit);

#else

char c;

while (is.get(c))

{

gotChar = true;

if (c == '\n')

break;

line.append(c);

}

#endif

return gotChar;

}

// changes the file owner to one specified

Boolean FileSystem::changeFileOwner(

const String& fileName,

const String& userName)

{

#if defined(PEGASUS_OS_TYPE_WINDOWS)

return true;

#else

PEG_METHOD_ENTER(TRC_AUTHENTICATION, "FileSystem::changeFileOwner()");

struct passwd* userPasswd;

#if defined(PEGASUS_PLATFORM_SOLARIS_SPARC_CC) || \

defined(PEGASUS_OS_HPUX) || \

defined (PEGASUS_OS_LINUX)

const unsigned int PWD_BUFF_SIZE = 1024;

struct passwd pwd;

struct passwd *result;

char pwdBuffer[PWD_BUFF_SIZE];

if (getpwnam_r(userName.getCString(), &pwd, pwdBuffer, PWD_BUFF_SIZE,

&userPasswd) != 0)

{

userPasswd = (struct passwd*)NULL;

}

#elif defined(PEGASUS_OS_OS400)

CString tempName = userName.getCString();

const char* tmp = tempName;

AtoE((char *)tmp);

userPasswd = getpwnam(tmp);

#else

userPasswd = getpwnam(userName.getCString());

#endif

if (userPasswd == NULL)

{

PEG_METHOD_EXIT();

return false;

}

#if defined(PEGASUS_OS_OS400)

CString tempPath = fileName.getCString();

const char * tmp1 = tempPath;

AtoE((char *)tmp1);

Sint32 ret = chown(tmp1, userPasswd->pw_uid, userPasswd->pw_gid);

#else

Sint32 ret = chown(

fileName.getCString(), userPasswd->pw_uid, userPasswd->pw_gid);

#endif

if (ret == -1)

{

PEG_METHOD_EXIT();

return false;

}

PEG_METHOD_EXIT();

return true;

#endif

}

PEGASUS_NAMESPACE_END

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