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path: root/cpp/src/qpid/broker/TxPublish.cpp
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/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
#include "qpid/log/Statement.h"
#include "qpid/broker/TxPublish.h"
#include "qpid/broker/Queue.h"

using boost::intrusive_ptr;
using namespace qpid::broker;

TxPublish::TxPublish(intrusive_ptr<Message> _msg) : msg(_msg) {}

bool TxPublish::prepare(TransactionContext* ctxt) throw()
{
    try{
        while (!queues.empty()) {
            prepare(ctxt, queues.front());
            prepared.push_back(queues.front());
            queues.pop_front();
        }
        return true;
    }catch(const std::exception& e){
        QPID_LOG(error, "Failed to prepare: " << e.what());
    }catch(...){
        QPID_LOG(error, "Failed to prepare (unknown error)");
    }
    return false;
}

void TxPublish::commit() throw()
{
    try {
        for_each(prepared.begin(), prepared.end(), Commit(msg));
        if (msg->isContentReleaseRequested()) {
            // NOTE: The log messages in this section are used for flow-to-disk testing (which checks the log for the
            // presence of these messages). Do not change these without also checking these tests.
            if (msg->isContentReleaseBlocked()) {
                QPID_LOG(debug, "Message id=\"" << msg->getProperties<qpid::framing::MessageProperties>()->getMessageId() << "\"; pid=0x" <<
                                std::hex << msg->getPersistenceId() << std::dec << ": Content release blocked on commit");
            } else {
                msg->releaseContent();
                QPID_LOG(debug, "Message id=\"" << msg->getProperties<qpid::framing::MessageProperties>()->getMessageId() << "\"; pid=0x" <<
                                std::hex << msg->getPersistenceId() << std::dec << ": Content released on commit");
            }
        }
    } catch (const std::exception& e) {
        QPID_LOG(error, "Failed to commit: " << e.what());
    } catch(...) {
        QPID_LOG(error, "Failed to commit (unknown error)");
    }
}

void TxPublish::rollback() throw()
{
    try {
        for_each(prepared.begin(), prepared.end(), Rollback(msg));
    } catch (const std::exception& e) {
        QPID_LOG(error, "Failed to complete rollback: " << e.what());
    } catch(...) {
        QPID_LOG(error, "Failed to complete rollback (unknown error)");
    }

}

void TxPublish::deliverTo(const boost::shared_ptr<Queue>& queue){
    if (!queue->isLocal(msg)) {
        queues.push_back(queue);
        delivered = true;
    } else {
        QPID_LOG(debug, "Won't enqueue local message for " << queue->getName());
    }
}

void TxPublish::prepare(TransactionContext* ctxt, const boost::shared_ptr<Queue> queue)
{
    queue->enqueue(ctxt, msg);
}

TxPublish::Commit::Commit(intrusive_ptr<Message>& _msg) : msg(_msg){}

void TxPublish::Commit::operator()(const boost::shared_ptr<Queue>& queue){
    queue->process(msg);
}

TxPublish::Rollback::Rollback(intrusive_ptr<Message>& _msg) : msg(_msg){}

void TxPublish::Rollback::operator()(const boost::shared_ptr<Queue>& queue){
    queue->enqueueAborted(msg);
}

uint64_t TxPublish::contentSize ()
{
    return msg->contentSize ();
}