| #ifndef _PRAGMA_COPYRIGHT_ |
| #define _PRAGMA_COPYRIGHT_ |
| #pragma comment(copyright, "%Z% %I% %W% %D% %T%\0") |
| #endif /* _PRAGMA_COPYRIGHT_ */ |
| /**************************************************************************** |
| |
| * Copyright (c) 2008, 2010 IBM Corporation. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0s |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| |
| Classes: PurifierProcessor |
| |
| Description: Properties of class 'PurifierProcessor': |
| input: a. a stream |
| output: a. a message queue |
| action: purify message, discarded useless messages |
| |
| Author: Nicole Nie |
| |
| History: |
| Date Who ID Description |
| -------- --- --- ----------- |
| 02/25/09 nieyy Initial code (D153875) |
| |
| ****************************************************************************/ |
| |
| #include "purifierproc.hpp" |
| #include <assert.h> |
| |
| #include "log.hpp" |
| #include "exception.hpp" |
| #include "socket.hpp" |
| |
| #include "ctrlblock.hpp" |
| #include "statemachine.hpp" |
| #include "routinglist.hpp" |
| #include "message.hpp" |
| #include "stream.hpp" |
| #include "queue.hpp" |
| #include "observer.hpp" |
| #include "filter.hpp" |
| #include "filterlist.hpp" |
| #include "errevent.hpp" |
| #include "writerproc.hpp" |
| |
| PurifierProcessor::PurifierProcessor(int hndl) |
| : Processor(hndl) |
| { |
| name = "Purifier"; |
| |
| inStream = NULL; |
| outQueue = NULL; |
| |
| outErrorQueue = NULL; |
| peerProcessor = NULL; |
| |
| observer = NULL; |
| } |
| |
| Message * PurifierProcessor::read() |
| { |
| assert(inStream); |
| |
| Message *msg = new Message(); |
| *inStream >> *msg; |
| |
| return msg; |
| } |
| |
| void PurifierProcessor::process(Message * msg) |
| { |
| assert(msg); |
| isCmd = false; |
| isError = false; |
| |
| Filter *filter = NULL; |
| switch(msg->getType()) { |
| case Message::SEGMENT: |
| case Message::COMMAND: |
| isCmd = true; |
| break; |
| case Message::UNCLE: |
| case Message::UNCLE_LIST: |
| case Message::PARENT: |
| case Message::ERROR_EVENT: |
| case Message::SHUTDOWN: |
| case Message::KILLNODE: |
| isError = true; |
| msg->setID(handle); |
| break; |
| case Message::GROUP_CREATE: |
| case Message::GROUP_OPERATE: |
| case Message::GROUP_OPERATE_EXT: |
| gRoutingList->addBE(msg->getGroup(), VALIDBACKENDIDS, gCtrlBlock->getMyHandle()); |
| break; |
| case Message::GROUP_FREE: |
| gRoutingList->removeGroup(msg->getGroup()); |
| break; |
| case Message::FILTER_LOAD: |
| filter = new Filter(); |
| filter->unpackMsg(*msg); |
| gFilterList->loadFilter(filter->getId(), filter, false); |
| break; |
| case Message::FILTER_UNLOAD: |
| gFilterList->unloadFilter(msg->getFilterID(), false); |
| break; |
| case Message::BE_REMOVE: |
| case Message::QUIT: |
| gStateMachine->parse(StateMachine::USER_QUIT); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void PurifierProcessor::write(Message * msg) |
| { |
| assert(outQueue); |
| |
| if (isCmd) { |
| if (observer) { |
| observer->notify(); |
| } |
| outQueue->produce(msg); |
| } else if (isError) { |
| if (outErrorQueue) { |
| outErrorQueue->produce(msg); |
| } else { |
| delete msg; |
| } |
| } else { |
| delete msg; |
| } |
| } |
| |
| void PurifierProcessor::seize() |
| { |
| gStateMachine->parse(StateMachine::PARENT_BROKEN); |
| |
| // exit the peer relay processor thread related to the same socket |
| peerProcessor->stop(); |
| |
| if (outErrorQueue) { |
| // generate an error message and put it into error message queue |
| ErrorEvent event; |
| event.setErrCode(SCI_ERR_PARENT_BROKEN); |
| event.setNodeID(handle); |
| event.setBENum(1); |
| |
| Message *msg = event.packMsg(); |
| outErrorQueue->produce(msg); |
| } else { |
| // do not try to recover |
| gStateMachine->parse(StateMachine::RECOVER_FAILED); |
| } |
| } |
| |
| void PurifierProcessor::clean() |
| { |
| inStream->stopRead(); |
| } |
| |
| bool PurifierProcessor::isActive() |
| { |
| return gCtrlBlock->isEnabled(); |
| } |
| |
| void PurifierProcessor::setInStream(Stream * stream) |
| { |
| inStream = stream; |
| } |
| |
| void PurifierProcessor::setOutQueue(MessageQueue * queue) |
| { |
| outQueue = queue; |
| } |
| |
| void PurifierProcessor::setOutErrorQueue(MessageQueue * queue) |
| { |
| outErrorQueue = queue; |
| } |
| |
| void PurifierProcessor::setPeerProcessor(WriterProcessor * processor) |
| { |
| peerProcessor = processor; |
| } |
| |
| void PurifierProcessor::setObserver(Observer * ob) |
| { |
| observer = ob; |
| } |
| |