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99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <unistd.h>
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#include "bytestream.h"
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using namespace messageqcpp;
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#include "we_messages.h"
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#include "we_clients.h"
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#include "resourcemanager.h"
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#include "ddlpkg.h"
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#include "ddlpackageprocessor.h"
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#include "dataconvert.h"
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using namespace dataconvert;
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using namespace ddlpackage;
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using namespace ddlpackageprocessor;
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#include "we_ddlcommandclient.h"
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namespace WriteEngine
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{
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WE_DDLCommandClient::WE_DDLCommandClient()
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{
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fWEClient = new WEClients(WEClients::DDLPROC);
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}
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WE_DDLCommandClient::~WE_DDLCommandClient()
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{
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delete fWEClient;
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fWEClient = NULL;
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}
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uint8_t WE_DDLCommandClient::UpdateSyscolumnNextval(uint32_t columnOid, uint64_t nextVal, uint32_t sessionID)
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{
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ByteStream command, response;
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uint8_t err = 0;
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uint64_t uniqueId = fDbrm.getUnique64();
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fWEClient->addQueue(uniqueId);
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command << (ByteStream::byte)WE_UPDATE_NEXTVAL;
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command << uniqueId;
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command << columnOid;
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command << nextVal;
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command << sessionID;
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uint16_t dbRoot;
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BRM::OID_t oid = 1021;
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fDbrm.getSysCatDBRoot(oid, dbRoot);
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int pmNum = 1;
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boost::shared_ptr<messageqcpp::ByteStream> bsIn;
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try
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{
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fOam.getDbrootPmConfig (dbRoot, pmNum);
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fWEClient->write(command, pmNum);
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while (1)
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{
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bsIn.reset(new ByteStream());
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fWEClient->read(uniqueId, bsIn);
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if ( bsIn->length() == 0 ) //read error
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{
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err = 1;
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break;
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}
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else
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{
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*bsIn >> err;
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break;
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}
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}
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}
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catch (...)
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{
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err = 1;
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}
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fWEClient->removeQueue(uniqueId);
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return err;
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}
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}
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