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/* Copyright (c) 2003-2007 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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#include <ndb_global.h>
#include "Packer.hpp"
#include <TransporterRegistry.hpp>
#include <TransporterCallback.hpp>
#include <RefConvert.hpp>
#ifdef ERROR_INSERT
Uint32 MAX_RECEIVED_SIGNALS = 1024;
#else
#define MAX_RECEIVED_SIGNALS 1024
#endif
Uint32
TransporterRegistry::unpack(Uint32 * readPtr,
Uint32 sizeOfData,
NodeId remoteNodeId,
IOState state) {
SignalHeader signalHeader;
LinearSectionPtr ptr[3];
Uint32 usedData = 0;
Uint32 loop_count = 0;
if(state == NoHalt || state == HaltOutput){
while ((sizeOfData >= 4 + sizeof(Protocol6)) &&
(loop_count < MAX_RECEIVED_SIGNALS)) {
Uint32 word1 = readPtr[0];
Uint32 word2 = readPtr[1];
Uint32 word3 = readPtr[2];
loop_count++;
#if 0
if(Protocol6::getByteOrder(word1) != MY_OWN_BYTE_ORDER){
//Do funky stuff
}
#endif
const Uint16 messageLen32 = Protocol6::getMessageLength(word1);
const Uint32 messageLenBytes = ((Uint32)messageLen32) << 2;
if(messageLen32 == 0 || messageLen32 > MAX_MESSAGE_SIZE){
DEBUG("Message Size = " << messageLenBytes);
reportError(callbackObj, remoteNodeId, TE_INVALID_MESSAGE_LENGTH);
return usedData;
}//if
if (sizeOfData < messageLenBytes) {
break;
}//if
if(Protocol6::getCheckSumIncluded(word1)){
const Uint32 tmpLen = messageLen32 - 1;
const Uint32 checkSumSent = readPtr[tmpLen];
const Uint32 checkSumComputed = computeChecksum(&readPtr[0], tmpLen);
if(checkSumComputed != checkSumSent){
reportError(callbackObj, remoteNodeId, TE_INVALID_CHECKSUM);
return usedData;
}//if
}//if
#if 0
if(Protocol6::getCompressed(word1)){
//Do funky stuff
}//if
#endif
Protocol6::createSignalHeader(&signalHeader, word1, word2, word3);
Uint32 sBlockNum = signalHeader.theSendersBlockRef;
sBlockNum = numberToRef(sBlockNum, remoteNodeId);
signalHeader.theSendersBlockRef = sBlockNum;
Uint8 prio = Protocol6::getPrio(word1);
Uint32 * signalData = &readPtr[3];
if(Protocol6::getSignalIdIncluded(word1) == 0){
signalHeader.theSendersSignalId = ~0;
} else {
signalHeader.theSendersSignalId = * signalData;
signalData ++;
}//if
signalHeader.theSignalId= ~0;
Uint32 * sectionPtr = signalData + signalHeader.theLength;
Uint32 * sectionData = sectionPtr + signalHeader.m_noOfSections;
for(Uint32 i = 0; i<signalHeader.m_noOfSections; i++){
Uint32 sz = * sectionPtr;
ptr[i].sz = sz;
ptr[i].p = sectionData;
sectionPtr ++;
sectionData += sz;
}
execute(callbackObj, &signalHeader, prio, signalData, ptr);
readPtr += messageLen32;
sizeOfData -= messageLenBytes;
usedData += messageLenBytes;
}//while
return usedData;
} else {
/** state = HaltIO || state == HaltInput */
while ((sizeOfData >= 4 + sizeof(Protocol6)) &&
(loop_count < MAX_RECEIVED_SIGNALS)) {
Uint32 word1 = readPtr[0];
Uint32 word2 = readPtr[1];
Uint32 word3 = readPtr[2];
loop_count++;
#if 0
if(Protocol6::getByteOrder(word1) != MY_OWN_BYTE_ORDER){
//Do funky stuff
}//if
#endif
const Uint16 messageLen32 = Protocol6::getMessageLength(word1);
const Uint32 messageLenBytes = ((Uint32)messageLen32) << 2;
if(messageLen32 == 0 || messageLen32 > MAX_MESSAGE_SIZE){
DEBUG("Message Size = " << messageLenBytes);
reportError(callbackObj, remoteNodeId, TE_INVALID_MESSAGE_LENGTH);
return usedData;
}//if
if (sizeOfData < messageLenBytes) {
break;
}//if
if(Protocol6::getCheckSumIncluded(word1)){
const Uint32 tmpLen = messageLen32 - 1;
const Uint32 checkSumSent = readPtr[tmpLen];
const Uint32 checkSumComputed = computeChecksum(&readPtr[0], tmpLen);
if(checkSumComputed != checkSumSent){
//theTransporters[remoteNodeId]->disconnect();
reportError(callbackObj, remoteNodeId, TE_INVALID_CHECKSUM);
return usedData;
}//if
}//if
#if 0
if(Protocol6::getCompressed(word1)){
//Do funky stuff
}//if
#endif
Protocol6::createSignalHeader(&signalHeader, word1, word2, word3);
Uint32 rBlockNum = signalHeader.theReceiversBlockNumber;
if(rBlockNum == 252){
Uint32 sBlockNum = signalHeader.theSendersBlockRef;
sBlockNum = numberToRef(sBlockNum, remoteNodeId);
signalHeader.theSendersBlockRef = sBlockNum;
Uint8 prio = Protocol6::getPrio(word1);
Uint32 * signalData = &readPtr[3];
if(Protocol6::getSignalIdIncluded(word1) == 0){
signalHeader.theSendersSignalId = ~0;
} else {
signalHeader.theSendersSignalId = * signalData;
signalData ++;
}//if
Uint32 * sectionPtr = signalData + signalHeader.theLength;
Uint32 * sectionData = sectionPtr + signalHeader.m_noOfSections;
for(Uint32 i = 0; i<signalHeader.m_noOfSections; i++){
Uint32 sz = * sectionPtr;
ptr[i].sz = sz;
ptr[i].p = sectionData;
sectionPtr ++;
sectionData += sz;
}
execute(callbackObj, &signalHeader, prio, signalData, ptr);
} else {
DEBUG("prepareReceive(...) - Discarding message to block: "
<< rBlockNum << " from Node: " << remoteNodeId);
}//if
readPtr += messageLen32;
sizeOfData -= messageLenBytes;
usedData += messageLenBytes;
}//while
return usedData;
}//if
}
Uint32 *
TransporterRegistry::unpack(Uint32 * readPtr,
Uint32 * eodPtr,
NodeId remoteNodeId,
IOState state) {
SignalHeader signalHeader;
LinearSectionPtr ptr[3];
Uint32 loop_count = 0;
if(state == NoHalt || state == HaltOutput){
while ((readPtr < eodPtr) && (loop_count < MAX_RECEIVED_SIGNALS)) {
Uint32 word1 = readPtr[0];
Uint32 word2 = readPtr[1];
Uint32 word3 = readPtr[2];
loop_count++;
#if 0
if(Protocol6::getByteOrder(word1) != MY_OWN_BYTE_ORDER){
//Do funky stuff
}
#endif
const Uint16 messageLen32 = Protocol6::getMessageLength(word1);
if(messageLen32 == 0 || messageLen32 > MAX_MESSAGE_SIZE){
DEBUG("Message Size(words) = " << messageLen32);
reportError(callbackObj, remoteNodeId, TE_INVALID_MESSAGE_LENGTH);
return readPtr;
}//if
if(Protocol6::getCheckSumIncluded(word1)){
const Uint32 tmpLen = messageLen32 - 1;
const Uint32 checkSumSent = readPtr[tmpLen];
const Uint32 checkSumComputed = computeChecksum(&readPtr[0], tmpLen);
if(checkSumComputed != checkSumSent){
reportError(callbackObj, remoteNodeId, TE_INVALID_CHECKSUM);
return readPtr;
}//if
}//if
#if 0
if(Protocol6::getCompressed(word1)){
//Do funky stuff
}//if
#endif
Protocol6::createSignalHeader(&signalHeader, word1, word2, word3);
Uint32 sBlockNum = signalHeader.theSendersBlockRef;
sBlockNum = numberToRef(sBlockNum, remoteNodeId);
signalHeader.theSendersBlockRef = sBlockNum;
Uint8 prio = Protocol6::getPrio(word1);
Uint32 * signalData = &readPtr[3];
if(Protocol6::getSignalIdIncluded(word1) == 0){
signalHeader.theSendersSignalId = ~0;
} else {
signalHeader.theSendersSignalId = * signalData;
signalData ++;
}//if
Uint32 * sectionPtr = signalData + signalHeader.theLength;
Uint32 * sectionData = sectionPtr + signalHeader.m_noOfSections;
for(Uint32 i = 0; i<signalHeader.m_noOfSections; i++){
Uint32 sz = * sectionPtr;
ptr[i].sz = sz;
ptr[i].p = sectionData;
sectionPtr ++;
sectionData += sz;
}
execute(callbackObj, &signalHeader, prio, signalData, ptr);
readPtr += messageLen32;
}//while
} else {
/** state = HaltIO || state == HaltInput */
while ((readPtr < eodPtr) && (loop_count < MAX_RECEIVED_SIGNALS)) {
Uint32 word1 = readPtr[0];
Uint32 word2 = readPtr[1];
Uint32 word3 = readPtr[2];
loop_count++;
#if 0
if(Protocol6::getByteOrder(word1) != MY_OWN_BYTE_ORDER){
//Do funky stuff
}//if
#endif
const Uint16 messageLen32 = Protocol6::getMessageLength(word1);
if(messageLen32 == 0 || messageLen32 > MAX_MESSAGE_SIZE){
DEBUG("Message Size(words) = " << messageLen32);
reportError(callbackObj, remoteNodeId, TE_INVALID_MESSAGE_LENGTH);
return readPtr;
}//if
if(Protocol6::getCheckSumIncluded(word1)){
const Uint32 tmpLen = messageLen32 - 1;
const Uint32 checkSumSent = readPtr[tmpLen];
const Uint32 checkSumComputed = computeChecksum(&readPtr[0], tmpLen);
if(checkSumComputed != checkSumSent){
//theTransporters[remoteNodeId]->disconnect();
reportError(callbackObj, remoteNodeId, TE_INVALID_CHECKSUM);
return readPtr;
}//if
}//if
#if 0
if(Protocol6::getCompressed(word1)){
//Do funky stuff
}//if
#endif
Protocol6::createSignalHeader(&signalHeader, word1, word2, word3);
Uint32 rBlockNum = signalHeader.theReceiversBlockNumber;
if(rBlockNum == 252){
Uint32 sBlockNum = signalHeader.theSendersBlockRef;
sBlockNum = numberToRef(sBlockNum, remoteNodeId);
signalHeader.theSendersBlockRef = sBlockNum;
Uint8 prio = Protocol6::getPrio(word1);
Uint32 * signalData = &readPtr[3];
if(Protocol6::getSignalIdIncluded(word1) == 0){
signalHeader.theSendersSignalId = ~0;
} else {
signalHeader.theSendersSignalId = * signalData;
signalData ++;
}//if
Uint32 * sectionPtr = signalData + signalHeader.theLength;
Uint32 * sectionData = sectionPtr + signalHeader.m_noOfSections;
for(Uint32 i = 0; i<signalHeader.m_noOfSections; i++){
Uint32 sz = * sectionPtr;
ptr[i].sz = sz;
ptr[i].p = sectionData;
sectionPtr ++;
sectionData += sz;
}
execute(callbackObj, &signalHeader, prio, signalData, ptr);
} else {
DEBUG("prepareReceive(...) - Discarding message to block: "
<< rBlockNum << " from Node: " << remoteNodeId);
}//if
readPtr += messageLen32;
}//while
}//if
return readPtr;
}
Packer::Packer(bool signalId, bool checksum) {
checksumUsed = (checksum ? 1 : 0);
signalIdUsed = (signalId ? 1 : 0);
// Set the priority
preComputedWord1 = 0;
Protocol6::setByteOrder(preComputedWord1, 0);
Protocol6::setSignalIdIncluded(preComputedWord1, signalIdUsed);
Protocol6::setCheckSumIncluded(preComputedWord1, checksumUsed);
Protocol6::setCompressed(preComputedWord1, 0);
}
inline
void
import(Uint32 * & insertPtr, const LinearSectionPtr & ptr){
const Uint32 sz = ptr.sz;
memcpy(insertPtr, ptr.p, 4 * sz);
insertPtr += sz;
}
void copy(Uint32 * & insertPtr,
class SectionSegmentPool &, const SegmentedSectionPtr & ptr);
void
Packer::pack(Uint32 * insertPtr,
Uint32 prio,
const SignalHeader * header,
const Uint32 * theData,
const LinearSectionPtr ptr[3]) const {
Uint32 i;
Uint32 dataLen32 = header->theLength;
Uint32 no_segs = header->m_noOfSections;
Uint32 len32 =
dataLen32 + no_segs +
checksumUsed + signalIdUsed + (sizeof(Protocol6)/4);
for(i = 0; i<no_segs; i++){
len32 += ptr[i].sz;
}
/**
* Do insert of data
*/
Uint32 word1 = preComputedWord1;
Uint32 word2 = 0;
Uint32 word3 = 0;
Protocol6::setPrio(word1, prio);
Protocol6::setMessageLength(word1, len32);
Protocol6::createProtocol6Header(word1, word2, word3, header);
insertPtr[0] = word1;
insertPtr[1] = word2;
insertPtr[2] = word3;
Uint32 * tmpInserPtr = &insertPtr[3];
if(signalIdUsed){
* tmpInserPtr = header->theSignalId;
tmpInserPtr++;
}
memcpy(tmpInserPtr, theData, 4 * dataLen32);
tmpInserPtr += dataLen32;
for(i = 0; i<no_segs; i++){
tmpInserPtr[i] = ptr[i].sz;
}
tmpInserPtr += no_segs;
for(i = 0; i<no_segs; i++){
import(tmpInserPtr, ptr[i]);
}
if(checksumUsed){
* tmpInserPtr = computeChecksum(&insertPtr[0], len32-1);
}
}
void
Packer::pack(Uint32 * insertPtr,
Uint32 prio,
const SignalHeader * header,
const Uint32 * theData,
class SectionSegmentPool & thePool,
const SegmentedSectionPtr ptr[3]) const {
Uint32 i;
Uint32 dataLen32 = header->theLength;
Uint32 no_segs = header->m_noOfSections;
Uint32 len32 =
dataLen32 + no_segs +
checksumUsed + signalIdUsed + (sizeof(Protocol6)/4);
for(i = 0; i<no_segs; i++){
len32 += ptr[i].sz;
}
/**
* Do insert of data
*/
Uint32 word1 = preComputedWord1;
Uint32 word2 = 0;
Uint32 word3 = 0;
Protocol6::setPrio(word1, prio);
Protocol6::setMessageLength(word1, len32);
Protocol6::createProtocol6Header(word1, word2, word3, header);
insertPtr[0] = word1;
insertPtr[1] = word2;
insertPtr[2] = word3;
Uint32 * tmpInserPtr = &insertPtr[3];
if(signalIdUsed){
* tmpInserPtr = header->theSignalId;
tmpInserPtr++;
}
memcpy(tmpInserPtr, theData, 4 * dataLen32);
tmpInserPtr += dataLen32;
for(i = 0; i<no_segs; i++){
tmpInserPtr[i] = ptr[i].sz;
}
tmpInserPtr += no_segs;
for(i = 0; i<no_segs; i++){
copy(tmpInserPtr, thePool, ptr[i]);
}
if(checksumUsed){
* tmpInserPtr = computeChecksum(&insertPtr[0], len32-1);
}
}
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