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Diffstat (limited to 'ndb/src/kernel/vm/SectionReader.cpp')
-rw-r--r--ndb/src/kernel/vm/SectionReader.cpp143
1 files changed, 0 insertions, 143 deletions
diff --git a/ndb/src/kernel/vm/SectionReader.cpp b/ndb/src/kernel/vm/SectionReader.cpp
deleted file mode 100644
index dd474a49e50..00000000000
--- a/ndb/src/kernel/vm/SectionReader.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/* Copyright (C) 2003 MySQL AB
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
-#include <SectionReader.hpp>
-#include <TransporterDefinitions.hpp>
-#include "LongSignal.hpp"
-
-#if 0
- Uint32 m_len;
- class SectionSegmentPool & m_pool;
- class SectionSegment * m_head;
- class SectionSegment * m_currentPos;
-#endif
-
-SectionReader::SectionReader
-(struct SegmentedSectionPtr & ptr, class SectionSegmentPool & pool)
- : m_pool(pool)
-{
- if(ptr.p == 0){
- m_pos = 0;
- m_len = 0;
- m_head = 0;
- m_currentSegment = 0;
- } else {
- m_pos = 0;
- m_len = ptr.p->m_sz;
- m_head = ptr.p;
- m_currentSegment = ptr.p;
- }
-}
-
-void
-SectionReader::reset(){
- m_pos = 0;
- m_currentSegment = m_head;
-}
-
-bool
-SectionReader::step(Uint32 len){
- if(m_pos + len >= m_len) {
- m_pos++;
- return false;
- }
- while(len > SectionSegment::DataLength){
- m_currentSegment = m_pool.getPtr(m_currentSegment->m_nextSegment);
-
- len -= SectionSegment::DataLength;
- m_pos += SectionSegment::DataLength;
- }
-
- Uint32 ind = m_pos % SectionSegment::DataLength;
- while(len > 0){
- len--;
- m_pos++;
-
- ind++;
- if(ind == SectionSegment::DataLength){
- ind = 0;
- m_currentSegment = m_pool.getPtr(m_currentSegment->m_nextSegment);
- }
- }
- return true;
-}
-
-bool
-SectionReader::getWord(Uint32 * dst){
- if (peekWord(dst)) {
- step(1);
- return true;
- }
- return false;
-}
-
-bool
-SectionReader::peekWord(Uint32 * dst) const {
- if(m_pos < m_len){
- Uint32 ind = m_pos % SectionSegment::DataLength;
- * dst = m_currentSegment->theData[ind];
- return true;
- }
- return false;
-}
-
-bool
-SectionReader::peekWords(Uint32 * dst, Uint32 len) const {
- if(m_pos + len > m_len)
- return false;
-
- Uint32 ind = (m_pos % SectionSegment::DataLength);
- Uint32 left = SectionSegment::DataLength - ind;
- SectionSegment * p = m_currentSegment;
-
- while(len > left){
- memcpy(dst, &p->theData[ind], 4 * left);
- dst += left;
- len -= left;
- ind = 0;
- left = SectionSegment::DataLength;
- p = m_pool.getPtr(p->m_nextSegment);
- }
-
- memcpy(dst, &p->theData[ind], 4 * len);
- return true;
-}
-
-bool
-SectionReader::getWords(Uint32 * dst, Uint32 len){
- if(m_pos + len > m_len)
- return false;
-
- Uint32 ind = (m_pos % SectionSegment::DataLength);
- Uint32 left = SectionSegment::DataLength - ind;
- SectionSegment * p = m_currentSegment;
-
- while(len > left){
- memcpy(dst, &p->theData[ind], 4 * left);
- dst += left;
- len -= left;
- ind = 0;
- left = SectionSegment::DataLength;
- p = m_pool.getPtr(p->m_nextSegment);
- }
-
- memcpy(dst, &p->theData[ind], 4 * len);
-
- m_pos += len;
- m_currentSegment = p;
- return true;
-}
-