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Diffstat (limited to 'trunk/qpid/cpp/src/qpid/cluster/ConnectionInterceptor.cpp')
-rw-r--r-- | trunk/qpid/cpp/src/qpid/cluster/ConnectionInterceptor.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/trunk/qpid/cpp/src/qpid/cluster/ConnectionInterceptor.cpp b/trunk/qpid/cpp/src/qpid/cluster/ConnectionInterceptor.cpp deleted file mode 100644 index efcab1b731..0000000000 --- a/trunk/qpid/cpp/src/qpid/cluster/ConnectionInterceptor.cpp +++ /dev/null @@ -1,102 +0,0 @@ -/* - * - * 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 "ConnectionInterceptor.h" -#include "qpid/framing/ClusterConnectionCloseBody.h" -#include "qpid/framing/ClusterConnectionDoOutputBody.h" -#include "qpid/framing/AMQFrame.h" -#include <boost/current_function.hpp> - - -namespace qpid { -namespace cluster { - -using namespace framing; - -template <class T, class U, class V> void shift(T& a, U& b, const V& c) { a = b; b = c; } - -ConnectionInterceptor::ConnectionInterceptor( - broker::Connection& conn, Cluster& clust, Cluster::ShadowConnectionId shadowId_) - : connection(&conn), cluster(clust), isClosed(false), shadowId(shadowId_), output(*this, *conn.getOutput().get()) -{ - connection->addFinalizer(boost::bind(operator delete, this)); - connection->setOutputHandler(&output), - // Attach my functions to Connection extension points. - shift(receivedNext, connection->receivedFn, boost::bind(&ConnectionInterceptor::received, this, _1)); - shift(closedNext, connection->closedFn, boost::bind(&ConnectionInterceptor::closed, this)); - shift(output.doOutputNext, connection->doOutputFn, boost::bind(&OutputInterceptor::doOutput, &output)); -} - -ConnectionInterceptor::~ConnectionInterceptor() { - assert(connection == 0); -} - -// Forward all received frames to the cluster, continue handling on delivery. -void ConnectionInterceptor::received(framing::AMQFrame& f) { - if (isClosed) return; - cluster.send(f, this); -} - -// Continue normal handling of delivered frames. -void ConnectionInterceptor::deliver(framing::AMQFrame& f) { - receivedNext(f); -} - -void ConnectionInterceptor::closed() { - if (isClosed) return; - try { - // Called when the local network connection is closed. We still - // need to process any outstanding cluster frames for this - // connection to ensure our sessions are up-to-date. We defer - // closing the Connection object till deliverClosed(), but replace - // its output handler with a null handler since the network output - // handler will be deleted. - // - connection->setOutputHandler(&discardHandler); - cluster.send(AMQFrame(in_place<ClusterConnectionCloseBody>()), this); - isClosed = true; - } - catch (const std::exception& e) { - QPID_LOG(error, QPID_MSG("While closing connection: " << e.what())); - } -} - -void ConnectionInterceptor::deliverClosed() { - closedNext(); - // Drop reference so connection will be deleted, which in turn - // will delete this via finalizer added in ctor. - connection = 0; -} - -void ConnectionInterceptor::dirtyClose() { - // Not closed via cluster self-delivery but closed locally. Used - // when local broker is shut down without a clean cluster shutdown. - // Release the connection, it will delete this. - connection = 0; -} - -// Delivery of doOutput allows us to run the real connection doOutput() -// which stocks up the write buffers with data. -// -void ConnectionInterceptor::deliverDoOutput(size_t requested) { - output.deliverDoOutput(requested); -} - -}} // namespace qpid::cluster |