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File: [Pegasus] / pegasus / src / Pegasus / Repository / AssocClassTable.cpp
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Revision: 1.24, Tue Nov 14 18:34:57 2006 UTC (17 years, 7 months ago) by kumpf Branch: MAIN CVS Tags: TASK-PEP291_IPV6-root, TASK-PEP291_IPV6-branch, TASK-PEP286_PRIVILEGE_SEPARATION-root, TASK-PEP286_PRIVILEGE_SEPARATION-branch, TASK-PEP274_dacim-root, TASK-PEP274_dacim-merged_out_to_branch, TASK-PEP274_dacim-merged_out_from_trunk, TASK-PEP274_dacim-merged_in_to_trunk, TASK-PEP274_dacim-merged_in_from_branch, TASK-PEP274_dacim-branch, TASK-Bug2102_RCMPIWindows-root, TASK-Bug2102_RCMPIWindows-merged_out_to_branch, TASK-Bug2102_RCMPIWindows-merged_out_from_trunk, TASK-Bug2102_RCMPIWindows-merged_in_to_trunk, TASK-Bug2102_RCMPIWindows-merged_in_from_branch, TASK-Bug2102_RCMPIWindows-branch, TASK-Bug2102Final-root, TASK-Bug2102Final-merged_out_to_branch, TASK-Bug2102Final-merged_out_from_trunk, TASK-Bug2102Final-merged_in_to_trunk, TASK-Bug2102Final-merged_in_from_branch, TASK-Bug2102Final-branch, TASK-BUG7240-root, TASK-BUG7240-branch, RELEASE_2_6_3-RC2, RELEASE_2_6_3-RC1, RELEASE_2_6_3, RELEASE_2_6_2-RC1, RELEASE_2_6_2, RELEASE_2_6_1-RC1, RELEASE_2_6_1, RELEASE_2_6_0-RC1, RELEASE_2_6_0, RELEASE_2_6-root, RELEASE_2_6-branch-clean, RELEASE_2_6-branch, PEP286_PRIVILEGE_SEPARATION_ROOT, PEP286_PRIVILEGE_SEPARATION_CODE_FREEZE, PEP286_PRIVILEGE_SEPARATION_BRANCH, PEP286_PRIVILEGE_SEPARATION_1 Changes since 1.23: +102 -105 lines BUG#: 5850 TITLE: Source files do not meet chksrc requirements DESCRIPTION: Remove tab characters and author names and shorten lines that are wider than 80 characters. |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // 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. // //============================================================================== // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/Config.h> #include <Pegasus/Common/InternalException.h> #include <Pegasus/Common/FileSystem.h> #include <Pegasus/Common/Exception.h> #include <Pegasus/Common/ReadWriteSem.h> #include "AssocClassTable.h" PEGASUS_USING_STD; PEGASUS_NAMESPACE_BEGIN #define ASSOC_CLASS_NAME_INDEX 0 #define FROM_CLASS_NAME_INDEX 1 #define FROM_PROPERTY_NAME_INDEX 2 #define TO_CLASS_NAME_INDEX 3 #define TO_PROPERTY_NAME_INDEX 4 #define NUM_FIELDS 5 ReadWriteSem AssocClassTable::_classCacheLock; static inline Boolean _MatchNoCase(const String& x, const String& pattern) { return pattern.size() == 0 || String::equalNoCase(x, pattern); } static inline Boolean _ContainsClass( const Array<CIMName>& classNames, const String& match) { Uint32 n = classNames.size(); for (Uint32 i = 0; i < n; i++) { if (_MatchNoCase(classNames[i].getString(), match)) return true; } return false; } static String _Escape(const String& str) { String result; for (Uint32 i = 0, n = str.size(); i < n; i++) { Char16 c = str[i]; switch (c) { case '\n': result.append("\\n"); break; case '\r': result.append("\\r"); break; case '\t': result.append("\\t"); break; case '\f': result.append("\\f"); break; case '\\': result.append("\\\\"); break; default: result.append(c); } } return result; } static String _Unescape(const String& str) { String result; for (Uint32 i = 0, n = str.size(); i < n; i++) { Char16 c = str[i]; if (c == '\\') { if (i + 1 == n) break; c = str[i + 1]; switch (c) { case 'n': result.append("\n"); break; case 'r': result.append("\r"); break; case 't': result.append("\t"); break; case 'f': result.append("\f"); break; default: result.append(c); } i++; } else result.append(c); } return result; } static Boolean _GetRecord(ifstream& is, Array<String>& fields) { fields.clear(); String line; for (Uint32 i = 0; i < NUM_FIELDS; i++) { if (!GetLine(is, line)) return false; fields.append(line); //Association names are not supposed to contain escapes //fields.append(_Unescape(line)); } // Skip the blank line: if (!GetLine(is, line)) return false; return true; } static void _PutRecord(ofstream& os, Array<String>& fields) { for (Uint32 i = 0, n = fields.size(); i < n; i++) { // Calling getCString to ensure utf-8 goes to the file // Calling write to ensure no data conversion by the stream CString buffer = _Escape(fields[i]).getCString(); os.write((const char *)buffer, static_cast<streamsize>(strlen((const char *)buffer))); os << endl; } os << endl; } void AssocClassTable::append( PEGASUS_STD(ofstream)& os, const String& path, const CIMName& assocClassName, const CIMName& fromClassName, const CIMName& fromPropertyName, const CIMName& toClassName, const CIMName& toPropertyName) { Array<String> fields; fields.reserveCapacity(5); fields.append(assocClassName.getString()); fields.append(fromClassName.getString()); fields.append(fromPropertyName.getString()); fields.append(toClassName.getString()); fields.append(toPropertyName.getString()); _PutRecord(os, fields); // Update cache AssocClassCache* cache = AssocClassCache::getAssocClassCache(path); if (cache != 0) { if (cache->isActive()) { WriteLock lock(_classCacheLock); cache->addRecord(fields[FROM_CLASS_NAME_INDEX], fields); } } } void AssocClassTable::append( const String& path, const CIMName& assocClassName, const CIMName& fromClassName, const CIMName& fromPropertyName, const CIMName& toClassName, const CIMName& toPropertyName) { // Open input file: ofstream os; if (!OpenAppend(os, path)) throw CannotOpenFile(path); // Insert the entry: Array<String> fields; fields.reserveCapacity(5); fields.append(assocClassName.getString()); fields.append(fromClassName.getString()); fields.append(fromPropertyName.getString()); fields.append(toClassName.getString()); fields.append(toPropertyName.getString()); _PutRecord(os, fields); // Update cache AssocClassCache* cache = AssocClassCache::getAssocClassCache(path); if (cache != 0) { if (cache->isActive()) { WriteLock lock(_classCacheLock); cache->addRecord(fields[FROM_CLASS_NAME_INDEX], fields); } } } Boolean AssocClassTable::deleteAssociation( const String& path, const CIMName& assocClassName) { // Open input file: ifstream is; if (!Open(is, path)) return false; // Open output file: String tmpPath = path + ".tmp"; ofstream os; if (!Open(os, tmpPath)) throw CannotOpenFile(tmpPath); // Copy over all lines except ones with the given association instance name: Array<String> fields; Array<String> fieldsToDelete; Boolean found = false; while (_GetRecord(is, fields)) { if (assocClassName.getString() != fields[ASSOC_CLASS_NAME_INDEX]) { _PutRecord(os, fields); found = true; } else { fieldsToDelete = fields; } } // Close both files: is.close(); os.close(); // Remove orginal file: if (!FileSystem::removeFile(path)) throw CannotRemoveFile(path); // Rename back to original name: if (!FileSystem::renameFile(tmpPath, path)) throw CannotRenameFile(path); // Update cache if (found) { AssocClassCache* cache = AssocClassCache::getAssocClassCache(path); if (cache != 0) { if (cache->isActive()) { WriteLock lock(_classCacheLock); cache->removeRecord(fieldsToDelete[FROM_CLASS_NAME_INDEX], fieldsToDelete[ASSOC_CLASS_NAME_INDEX]); } } } return found; } Boolean AssocClassTable::getAssociatorNames( const String& path, const Array<CIMName>& classList, const Array<CIMName>& assocClassList, const Array<CIMName>& resultClassList, const String& role, const String& resultRole, Array<String>& associatorNames) { // Open input file: ifstream is; if (!Open(is, path)) return false; Array<String> fields; Boolean found = false; // For each line in the associations table: while (_GetRecord(is, fields)) { // Process associations from the right end class and with right roles if (_ContainsClass(classList, fields[FROM_CLASS_NAME_INDEX]) && _MatchNoCase(fields[FROM_PROPERTY_NAME_INDEX], role) && _MatchNoCase(fields[TO_PROPERTY_NAME_INDEX], resultRole)) { // Skip classes that do not appear in the association class list if ((assocClassList.size() != 0) && (!_ContainsClass(assocClassList, fields[ASSOC_CLASS_NAME_INDEX]))) { continue; } // Skip classes that do not appear in the result class list if ((resultClassList.size() != 0) && (!_ContainsClass(resultClassList, fields[TO_CLASS_NAME_INDEX]))) { continue; } // This class qualifies; add it to the list (skipping duplicates) if (!Contains(associatorNames, fields[TO_CLASS_NAME_INDEX])) { associatorNames.append(fields[TO_CLASS_NAME_INDEX]); } found = true; } } return found; } Boolean AssocClassTable::_InitializeCache( AssocClassCache* cache, const String& path) { WriteLock lock(_classCacheLock); if (!cache->isActive()) { // Open input file: ifstream is; if (!Open(is, path)) return false; Array<String> fields; // For each line in the associations table: while (_GetRecord(is, fields)) { cache->addRecord(fields[FROM_CLASS_NAME_INDEX], fields); } cache->setActive(true); } return true; } void AssocClassTable::removeCaches() { WriteLock lock(_classCacheLock); AssocClassCache::cleanupAssocClassCaches(); return; } Boolean AssocClassTable::getReferenceNames( const String& path, const Array<CIMName>& classList, const Array<CIMName>& resultClassList, const String& role, Array<String>& referenceNames) { // First see if we can get the information from the association class cache. AssocClassCache* cache = AssocClassCache::getAssocClassCache(path); if (cache == 0) return false; if (!cache->isActive()) { if (!_InitializeCache(cache,path)) return false; } Array< Array<String> > records; Boolean found = false; // For each of the target classes retrieve the list of matching // association classes from the cache. // The cache uses the from class name as an index and returns all // association class records having that from class. ReadLock lock(_classCacheLock); for (Uint16 idx=0; idx < classList.size(); idx++) { String fromClassName = classList[idx].getString(); if (cache->getAssocClassEntry(fromClassName, records)) { for (Uint16 rx=0; rx <records.size(); rx++) { if (_MatchNoCase(records[rx][FROM_PROPERTY_NAME_INDEX], role)) { // Skip classes that do not appear in the result class list if ((resultClassList.size() != 0) && (!_ContainsClass(resultClassList, records[rx][ASSOC_CLASS_NAME_INDEX]))) { continue; } // This class qualifies; add it to the list (skipping // duplicates) if (!Contains(referenceNames, records[rx][ASSOC_CLASS_NAME_INDEX])) { referenceNames.append( records[rx][ASSOC_CLASS_NAME_INDEX]); } found = true; } } } } return found; } PEGASUS_NAMESPACE_END
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