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/* 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; 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 */
#define DBTUP_C
#define DBTUP_BUFFER_CPP
#include "Dbtup.hpp"
#include <RefConvert.hpp>
#include <ndb_limits.h>
#include <pc.hpp>
#include <signaldata/TransIdAI.hpp>
void Dbtup::execSEND_PACKED(Signal* signal)
{
Uint16 hostId;
Uint32 i;
Uint32 TpackedListIndex= cpackedListIndex;
jamEntry();
for (i= 0; i < TpackedListIndex; i++) {
jam();
hostId= cpackedList[i];
ndbrequire((hostId - 1) < (MAX_NODES - 1)); // Also check not zero
Uint32 TpacketTA= hostBuffer[hostId].noOfPacketsTA;
if (TpacketTA != 0) {
jam();
BlockReference TBref= numberToRef(API_PACKED, hostId);
Uint32 TpacketLen= hostBuffer[hostId].packetLenTA;
MEMCOPY_NO_WORDS(&signal->theData[0],
&hostBuffer[hostId].packetBufferTA[0],
TpacketLen);
sendSignal(TBref, GSN_TRANSID_AI, signal, TpacketLen, JBB);
hostBuffer[hostId].noOfPacketsTA= 0;
hostBuffer[hostId].packetLenTA= 0;
}
hostBuffer[hostId].inPackedList= false;
}//for
cpackedListIndex= 0;
}
void Dbtup::bufferTRANSID_AI(Signal* signal, BlockReference aRef,
Uint32 Tlen)
{
if (Tlen == 3)
return;
Uint32 hostId= refToNode(aRef);
Uint32 Theader= ((refToBlock(aRef) << 16)+(Tlen-3));
ndbrequire(hostId < MAX_NODES);
Uint32 TpacketLen= hostBuffer[hostId].packetLenTA;
Uint32 TnoOfPackets= hostBuffer[hostId].noOfPacketsTA;
Uint32 sig0= signal->theData[0];
Uint32 sig1= signal->theData[1];
Uint32 sig2= signal->theData[2];
BlockReference TBref= numberToRef(API_PACKED, hostId);
if ((Tlen + TpacketLen + 1) <= 25) {
// ----------------------------------------------------------------
// There is still space in the buffer. We will copy it into the
// buffer.
// ----------------------------------------------------------------
jam();
updatePackedList(signal, hostId);
} else if (false && TnoOfPackets == 1) {
// ----------------------------------------------------------------
// The buffer is full and there was only one packet buffered. We
// will send this as a normal signal.
// ----------------------------------------------------------------
Uint32 TnewRef= numberToRef((hostBuffer[hostId].packetBufferTA[0] >> 16),
hostId);
MEMCOPY_NO_WORDS(&signal->theData[0],
&hostBuffer[hostId].packetBufferTA[1],
TpacketLen - 1);
sendSignal(TnewRef, GSN_TRANSID_AI, signal, (TpacketLen - 1), JBB);
TpacketLen= 0;
TnoOfPackets= 0;
} else {
// ----------------------------------------------------------------
// The buffer is full but at least two packets. Send those in
// packed form.
// ----------------------------------------------------------------
MEMCOPY_NO_WORDS(&signal->theData[0],
&hostBuffer[hostId].packetBufferTA[0],
TpacketLen);
sendSignal(TBref, GSN_TRANSID_AI, signal, TpacketLen, JBB);
TpacketLen= 0;
TnoOfPackets= 0;
}
// ----------------------------------------------------------------
// Copy the signal into the buffer
// ----------------------------------------------------------------
hostBuffer[hostId].packetBufferTA[TpacketLen + 0]= Theader;
hostBuffer[hostId].packetBufferTA[TpacketLen + 1]= sig0;
hostBuffer[hostId].packetBufferTA[TpacketLen + 2]= sig1;
hostBuffer[hostId].packetBufferTA[TpacketLen + 3]= sig2;
hostBuffer[hostId].noOfPacketsTA= TnoOfPackets + 1;
hostBuffer[hostId].packetLenTA= Tlen + TpacketLen + 1;
MEMCOPY_NO_WORDS(&hostBuffer[hostId].packetBufferTA[TpacketLen + 4],
&signal->theData[25],
Tlen - 3);
}
void Dbtup::updatePackedList(Signal* signal, Uint16 hostId)
{
if (hostBuffer[hostId].inPackedList == false) {
Uint32 TpackedListIndex= cpackedListIndex;
jam();
hostBuffer[hostId].inPackedList= true;
cpackedList[TpackedListIndex]= hostId;
cpackedListIndex= TpackedListIndex + 1;
}
}
/* ---------------------------------------------------------------- */
/* ----------------------- SEND READ ATTRINFO --------------------- */
/* ---------------------------------------------------------------- */
void Dbtup::sendReadAttrinfo(Signal* signal,
KeyReqStruct *req_struct,
Uint32 ToutBufIndex,
const Operationrec *regOperPtr)
{
if(ToutBufIndex == 0)
return;
const BlockReference recBlockref= req_struct->rec_blockref;
const Uint32 block= refToBlock(recBlockref);
const Uint32 nodeId= refToNode(recBlockref);
bool connectedToNode= getNodeInfo(nodeId).m_connected;
const Uint32 type= getNodeInfo(nodeId).m_type;
bool is_api= (type >= NodeInfo::API && type <= NodeInfo::MGM);
bool old_dest= (getNodeInfo(nodeId).m_version < MAKE_VERSION(3,5,0));
Uint32 TpacketLen= hostBuffer[nodeId].packetLenTA;
Uint32 TpacketTA= hostBuffer[nodeId].noOfPacketsTA;
if (ERROR_INSERTED(4006) && (nodeId != getOwnNodeId())){
// Use error insert to turn routing on
jam();
connectedToNode= false;
}
Uint32 sig0= req_struct->tc_operation_ptr;
Uint32 sig1= req_struct->trans_id1;
Uint32 sig2= req_struct->trans_id2;
TransIdAI * transIdAI= (TransIdAI *)signal->getDataPtrSend();
transIdAI->connectPtr= sig0;
transIdAI->transId[0]= sig1;
transIdAI->transId[1]= sig2;
if (connectedToNode){
/**
* Own node -> execute direct
*/
if(nodeId != getOwnNodeId()){
jam();
/**
* Send long sig
*/
if (ToutBufIndex >= 22 && is_api && !old_dest) {
jam();
/**
* Flush buffer so that order is maintained
*/
if (TpacketTA != 0) {
jam();
BlockReference TBref = numberToRef(API_PACKED, nodeId);
MEMCOPY_NO_WORDS(&signal->theData[0],
&hostBuffer[nodeId].packetBufferTA[0],
TpacketLen);
sendSignal(TBref, GSN_TRANSID_AI, signal, TpacketLen, JBB);
hostBuffer[nodeId].noOfPacketsTA = 0;
hostBuffer[nodeId].packetLenTA = 0;
transIdAI->connectPtr = sig0;
transIdAI->transId[0] = sig1;
transIdAI->transId[1] = sig2;
}//if
LinearSectionPtr ptr[3];
ptr[0].p= &signal->theData[25];
ptr[0].sz= ToutBufIndex;
sendSignal(recBlockref, GSN_TRANSID_AI, signal, 3, JBB, ptr, 1);
return;
}
/**
* short sig + api -> buffer
*/
#ifndef NDB_NO_DROPPED_SIGNAL
if (ToutBufIndex < 22 && is_api){
jam();
bufferTRANSID_AI(signal, recBlockref, 3+ToutBufIndex);
return;
}
#endif
/**
* rest -> old send sig
*/
Uint32 * src= signal->theData+25;
if (ToutBufIndex >= 22){
do {
jam();
MEMCOPY_NO_WORDS(&signal->theData[3], src, 22);
sendSignal(recBlockref, GSN_TRANSID_AI, signal, 25, JBB);
ToutBufIndex -= 22;
src += 22;
} while(ToutBufIndex >= 22);
}
if (ToutBufIndex > 0){
jam();
MEMCOPY_NO_WORDS(&signal->theData[3], src, ToutBufIndex);
sendSignal(recBlockref, GSN_TRANSID_AI, signal, 3+ToutBufIndex, JBB);
}
return;
}
EXECUTE_DIRECT(block, GSN_TRANSID_AI, signal, 3 + ToutBufIndex);
jamEntry();
return;
}
/**
* If this node does not have a direct connection
* to the receiving node we want to send the signals
* routed via the node that controls this read
*/
Uint32 routeBlockref= req_struct->TC_ref;
if (true){ // TODO is_api && !old_dest){
jam();
transIdAI->attrData[0]= recBlockref;
LinearSectionPtr ptr[3];
ptr[0].p= &signal->theData[25];
ptr[0].sz= ToutBufIndex;
sendSignal(routeBlockref, GSN_TRANSID_AI_R, signal, 4, JBB, ptr, 1);
return;
}
/**
* Fill in a TRANSID_AI signal, use last word to store
* final destination and send it to route node
* as signal TRANSID_AI_R (R as in Routed)
*/
Uint32 tot= ToutBufIndex;
Uint32 sent= 0;
Uint32 maxLen= TransIdAI::DataLength - 1;
while (sent < tot) {
jam();
Uint32 dataLen= (tot - sent > maxLen) ? maxLen : tot - sent;
Uint32 sigLen= dataLen + TransIdAI::HeaderLength + 1;
MEMCOPY_NO_WORDS(&transIdAI->attrData,
&signal->theData[25+sent],
dataLen);
// Set final destination in last word
transIdAI->attrData[dataLen]= recBlockref;
sendSignal(routeBlockref, GSN_TRANSID_AI_R,
signal, sigLen, JBB);
sent += dataLen;
}
}
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