C++ UtlHashBag::destroyAll方法代码示例

// Get all bindings expiring before newerThanTime.
void
RegistrationDB::getAllOldBindings(int newerThanTime,
                                  UtlHashBag& rAors) const
{
   // Empty the return value.
   rAors.destroyAll();

   if ( m_pFastDB != NULL )
   {
      SMART_DB_ACCESS;

      // Note: callid set to null indicates provisioned entries and
      //        these should not be removed
      dbQuery query;
      query = "expires <", static_cast<const int&>(newerThanTime), " and (callid != '#')";
      dbCursor< RegistrationRow > cursor;
      int rows = cursor.select( query );
      if (rows > 0)
      {
         // Create UtlString containing the AOR from the "uri" column.
         UtlString* uri = new UtlString(cursor->uri);
         // Add it to the result set.
         rAors.insert(uri);
      } while ( cursor.next() );
   }
   else
   {
      OsSysLog::add(FAC_DB, PRI_CRIT, "RegistrationDB::getAllOldBindings failed - no DB");
   }

   return;
}

    /*!a Test case to test the DestroyAll()
    *    method.
    */
    void testClearAndDestroy()
    {
        const int testCount = 3 ;
        int cCountBefore = UtlContainableTestStub :: getCount() ;
        const char* prefix  = "test the destroyAll() method " ;
        const char* suffix1  = " :- sanity check to double check that the counter was incremented for every new() call" ;
        const char* suffix2 = " :- Verify that all entries are removed and the objects are deleted" ;

        UtlContainableTestStub* uStub ;
        UtlContainableTestStub* uStubPtr ;
        UtlContainableTestStub* uStubPtr2 ;
        uStub = new UtlContainableTestStub(0) ;
        uStubPtr = new UtlContainableTestStub(201) ;
        uStubPtr2 = new UtlContainableTestStub(201) ;
        emptyList.insert(uStub) ;
        emptyList.insert(uStubPtr) ;
        emptyList.insert(uStubPtr2) ;

        cCountBefore = UtlContainableTestStub :: getCount() - cCountBefore ;
        emptyList.destroyAll() ;
        int cCountAfter = UtlContainableTestStub :: getCount() ;

        string msg ;
        // Make sure that static count was incremented for every instance
        // of the TestStub that was created.
        TestUtilities::createMessage(2, &msg, prefix, suffix1) ;
        CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(),  testCount, cCountBefore) ;

        // Verify that the list has no entries left after destroyAll()
        // and also ensure that all the TestStub instances were deleted.
        TestUtilities::createMessage(2, &msg, prefix, suffix2) ;
        CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), 0, cCountAfter) ;
        CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), 0, (int)emptyList.entries()) ;
    } //testClearAndDestroy

OsStatus OsConfigDb::updateFile(const char* filename) const
{
   UtlString originalFileContents;
   long fileLength = OsFile::openAndRead(filename, originalFileContents);
   const char* unparsedBits = originalFileContents;
   int unparsedLength = originalFileContents.length();

   // Loop through and try to preserve comments, space and order
   int lineStart = 0;
   int lineEnd = 0;
   UtlHashBag writtenNames;
   UtlString newFileContents;
   UtlString name;
   UtlString value;
   UtlString newValue;

   while(lineStart < unparsedLength)
   {
      lineEnd = UtlTokenizer::nextDelim(unparsedBits, lineStart, unparsedLength, "\n\r");

      //printf("start: %d end: %d length: %d\n", lineStart, lineEnd, unparsedLength);

      UtlString oneLine(&unparsedBits[lineStart], lineEnd - lineStart);

      //printf("Line: <%s>\n", oneLine.data());

      // If line contains a parameter
      if(parseLine(oneLine, mCapitalizeName, filename, name, value))
      {
         //printf("name<%s> value<%s>\n", name.data(), value.data());
         if(get(name, newValue) == OS_SUCCESS &&
            !writtenNames.contains(&name))
         {
            //printf("Wrote name<%s>\n", name.data());
            // The parameter still exists in the configDb and we have not yet
            // written it out, write the potentially changed value
            newFileContents.appendFormat("%s : %s\n", name.data(), newValue.data());

            // Save names/parameters written so that we can figure out what has not
            // been written out
            writtenNames.insert(new UtlString(name));
         }
         // else the parameter was removed, do nothing
      }
   
      // The line was a comment or blank line, write it back out the same
      else
      {
         newFileContents.appendFormat("%s\n", oneLine.data());
      }

      lineStart = lineEnd + 1;
   }

   int paramIndex;
   int paramCount = numEntries();
   DbEntry* paramEntry;

   for (paramIndex = 0; paramIndex < paramCount; paramIndex++)
   {
      paramEntry = (DbEntry*) mDb.at(paramIndex);

      removeNewlineReturns(paramEntry->key);
      removeNewlineReturns(paramEntry->value);

      // We have not written the value yet
      if(!writtenNames.contains(&(paramEntry->key)))
      {
          newFileContents.appendFormat("%s : %s\n", paramEntry->key.data(), paramEntry->value.data());
          writtenNames.insert(new UtlString(paramEntry->key));
      }
   }

   fileLength = OsFile::openAndWrite(filename, newFileContents);
 
   writtenNames.destroyAll();

   return(fileLength > 0 ? OS_SUCCESS : OS_INVALID_ARGUMENT);
}