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

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Diff for /pegasus/src/Pegasus/Common/FileSystem.cpp between version 1.48 and 1.87

version 1.48, 2004/03/16 23:05:00

version 1.87, 2012/12/13 14:38:55

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//%2003////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// Licensed to The Open Group (TOG) under one or more contributor license

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

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

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

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

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

// License.

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

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

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

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

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

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

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

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

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

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

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

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

// 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

// The above copyright notice and this permission notice shall be included

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

// in all copies or substantial portions of the Software.

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

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

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

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

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

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

// 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.

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

//////////////////////////////////////////////////////////////////////////

// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By:

// Ramnath Ravindran(Ramnath.Ravindran@compaq.com)

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

#include <iostream>

//#include <cstdio>

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/System.h>

#include "Destroyer.h"

#include <Pegasus/Common/AutoPtr.h>

#include <Executor/Match.h>

#include "FileSystem.h"

#include "Dir.h"

#ifndef PEGASUS_OS_TYPE_WINDOWS

#include <pwd.h>

#endif

#include <Pegasus/Common/Tracer.h>

PEGASUS_NAMESPACE_BEGIN

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

{

#ifdef PEGASUS_OS_OS400

#if !defined(PEGASUS_OS_VMS) && \

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

!defined(PEGASUS_OS_TYPE_WINDOWS) && \

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

!defined(PEGASUS_OS_DARWIN)

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

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

// If a file exists that has the same case as the path parmater,

// then we can bypass the expensive directory scanning below.

if (FileSystem::exists(path))

{

realPath = path;

return exists(path);

return true;

#else

}

#endif

realPath.clear();

CString cpath = _clonePath(path);

const char* p = cpath;

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}

return false;

#endif

}

Boolean FileSystem::canRead(const String& path)

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}

void FileSystem::loadFileToMemory(

Array<Sint8>& array,

Buffer& array,

const String& fileName)

{

Uint32 fileSize;

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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);

}

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#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;

}

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

String FileSystem::extractFileName(const String& path)

{

char *p_path = new char[path.size() + 1];

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

String basename = System::extract_file_name((const char *)path.getCString(), p_path);

String basename = System::extract_file_name(

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

delete [] p_path;

return basename;

}

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

String FileSystem::extractFilePath(const String& path)

{

char *p_path = new char[path.size() + 1];

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

String newpath = System::extract_file_path((const char *)path.getCString(), p_path);

String newpath = System::extract_file_path(

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

delete [] p_path;

return newpath;

}

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// 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.getCStringUTF8();

#endif

return System::changeFilePermissions(tempPath, mode);

}

String FileSystem::getAbsoluteFileName(const String &paths, const String &filename) {

String FileSystem::getAbsoluteFileName(

const String& paths,

const String& filename)

{

Uint32 pos =0;

Uint32 token=0;

String path = String::EMPTY;

String path;

String root = String::EMPTY;

String root;

String tempPath = paths;

do {

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

{

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

PEG_NOT_FOUND)

{

pos = tempPath.size();

token = 0;

}

else {

else

{

token = 1;

}

path = tempPath.subString(0, pos);

tempPath.remove(0,pos+token);

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

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

{

root = path + "/" + filename;

break;

} else

}

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");

#else

fileName = String("lib") + libraryName + getDynamicLibraryExtension();

#endif

return fileName;

}

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

String FileSystem::getDynamicLibraryExtension()

{

line.clear();

#if defined(PEGASUS_OS_TYPE_WINDOWS)

return String(".dll");

#elif defined(PEGASUS_PLATFORM_HPUX_PARISC_ACC) || \

defined (PEGASUS_PLATFORM_HPUX_PARISC_GNU)

return String(".sl");

#elif defined(PEGASUS_OS_DARWIN)

return String(".dylib");

#elif defined(PEGASUS_OS_VMS)

return String(".exe");

#elif defined(PEGASUS_PLATFORM_ZOS_ZSERIES64_IBM)

return String("64.so");

#else

return String(".so");

#endif

}

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

{

const Uint32 buffersize = 1024;

Uint32 gcount = 0;

Boolean gotChar = false;

line.clear();

char c;

while (is.get(c))

// Read the input line in chunks. A non-full buffer indicates the end of

// the line has been reached.

{

gotChar = true;

char input[buffersize];

// This reads up to buffersize-1 char, but stops before consuming

// a newline character ('\n').

is.get(input, buffersize);

gcount = (Uint32)is.gcount();

line.append(input, gcount);

if (c == '\n')

if (is.rdstate() & PEGASUS_STD(istream)::failbit)

{

// It is okay if we encounter the newline character without reading

// data.

is.clear();

break;

}

} while (gcount == buffersize-1);

if (!is.eof())

{

// we need to consume the '\n', because get() doesn't

char c = 0;

is.get(c);

}

return !!is;

}

// 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_OS_SOLARIS) || \

defined(PEGASUS_OS_HPUX) || \

defined(PEGASUS_OS_LINUX) || \

defined (PEGASUS_OS_VMS) || \

defined (PEGASUS_OS_AIX)

const unsigned int PWD_BUFF_SIZE = 1024;

struct passwd pwd;

char pwdBuffer[PWD_BUFF_SIZE];

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

&userPasswd) != 0)

{

userPasswd = (struct passwd*)NULL;

}

#else

userPasswd = getpwnam(userName.getCString());

#endif

if (userPasswd == NULL)

{

PEG_METHOD_EXIT();

return false;

}

Sint32 ret = chown(

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

if (ret == -1)

{

PEG_METHOD_EXIT();

return false;

}

PEG_METHOD_EXIT();

return true;

#endif

}

#if defined(PEGASUS_OS_HPUX)

void FileSystem::syncWithDirectoryUpdates(PEGASUS_STD(fstream)& fs)

{

#if defined (PEGASUS_PLATFORM_HPUX_IA64_GNU) || \

defined (PEGASUS_PLATFORM_HPUX_PARISC_GNU)

// Writes the data from the iostream buffers to the OS buffers

fs.flush();

// Writes the data from the OS buffers to the disk

fs.rdbuf()->pubsync();

#else

// Writes the data from the iostream buffers to the OS buffers

fs.flush();

// Writes the data from the OS buffers to the disk

fsync(fs.rdbuf()->fd());

#endif

}

#else

void FileSystem::syncWithDirectoryUpdates(PEGASUS_STD(fstream)&)

{

//Not HP-UX, do nothing (compiler will remove this fct on optimization)

}

#endif

Boolean FileSystem::glob(

const String& path,

const String& pattern_,

Array<String>& filenames)

{

filenames.clear();

try

{

CString pattern(pattern_.getCString());

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

{

const char* name = dir.getName();

if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)

continue;

line.append(c);

if (Match(pattern, name) == 0)

filenames.append(name);

}

catch (CannotOpenDirectory&)

{

return false;

}

return gotChar;

return true;

}

PEGASUS_NAMESPACE_END

Legend:

Removed from v.1.48
changed lines
	Added in v.1.87

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