Author: aconway Date: Fri Jan 16 13:34:01 2009 New Revision: 735150 URL: http://svn.apache.org/viewvc?rev=735150&view=rev Log: cluster refactor: separate out dispatch strategy, implement poller and thread dispatch.
Added: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp (with props) qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h (with props) qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp (with props) qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h (with props) Added: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp?rev=735150&view=auto ============================================================================== --- qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp (added) +++ qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp Fri Jan 16 13:34:01 2009 @@ -0,0 +1,60 @@ +/* + * + * 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 "PollerDispatch.h" + +#include "qpid/log/Statement.h" +#include <boost/bind.hpp> + +namespace qpid { +namespace cluster { + +PollerDispatch::PollerDispatch(Cpg& c, boost::shared_ptr<sys::Poller> p, + boost::function<void()> e) + : cpg(c), poller(p), onError(e), + dispatchHandle(cpg, + boost::bind(&PollerDispatch::dispatch, this, _1), // read + 0, // write + boost::bind(&PollerDispatch::disconnect, this, _1) // disconnect + ) +{} + +void PollerDispatch::start() { + dispatchHandle.startWatch(poller); +} + +// Entry point: called by IO to dispatch CPG events. +void PollerDispatch::dispatch(sys::DispatchHandle& h) { + try { + cpg.dispatchAll(); + h.rewatch(); + } catch (const std::exception& e) { + QPID_LOG(critical, "Error in cluster dispatch: " << e.what()); + onError(); + } +} + +// Entry point: called if disconnected from CPG. +void PollerDispatch::disconnect(sys::DispatchHandle& ) { + QPID_LOG(critical, "Disconnected from cluster"); + onError(); +} + +}} // namespace qpid::cluster Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp ------------------------------------------------------------------------------ svn:eol-style = native Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.cpp ------------------------------------------------------------------------------ svn:keywords = Rev Date Added: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h?rev=735150&view=auto ============================================================================== --- qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h (added) +++ qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h Fri Jan 16 13:34:01 2009 @@ -0,0 +1,56 @@ +#ifndef QPID_CLUSTER_POLLERDISPATCH_H +#define QPID_CLUSTER_POLLERDISPATCH_H + +/* + * + * 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 "Cpg.h" +#include "qpid/sys/Poller.h" +#include "qpid/sys/DispatchHandle.h" +#include <boost/function.hpp> + +namespace qpid { +namespace cluster { + +/** + * Dispatch CPG events via the poller. + */ +class PollerDispatch { + public: + PollerDispatch(Cpg&, boost::shared_ptr<sys::Poller> poller, + boost::function<void()> onError) ; + void start(); + + private: + // Poller callbacks + void dispatch(sys::DispatchHandle&); // Dispatch CPG events. + void disconnect(sys::DispatchHandle&); // CPG was disconnected + + Cpg& cpg; + boost::shared_ptr<sys::Poller> poller; + boost::function<void()> onError; + sys::DispatchHandle dispatchHandle; + + +}; +}} // namespace qpid::cluster + +#endif /*!QPID_CLUSTER_POLLERDISPATCH_H*/ Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h ------------------------------------------------------------------------------ svn:eol-style = native Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/PollerDispatch.h ------------------------------------------------------------------------------ svn:keywords = Rev Date Added: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp?rev=735150&view=auto ============================================================================== --- qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp (added) +++ qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp Fri Jan 16 13:34:01 2009 @@ -0,0 +1,53 @@ +/* + * + * 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 "ThreadDispatch.h" + +#include "qpid/log/Statement.h" +#include <boost/bind.hpp> + +namespace qpid { +namespace cluster { + +ThreadDispatch::ThreadDispatch(Cpg& c, boost::shared_ptr<sys::Poller>, + boost::function<void()> e) + : cpg(c), onError(e) +{} + +ThreadDispatch::~ThreadDispatch() { + // FIXME aconway 2009-01-16: leaking thread. problems with Shutdown. + // thread.join(); +} + +void ThreadDispatch::start() { + thread = sys::Thread(static_cast<Runnable*>(this)); +} + +// Entry point: called by IO to dispatch CPG events. +void ThreadDispatch::run() { + try { + cpg.dispatchBlocking(); + } catch (const std::exception& e) { + QPID_LOG(critical, "Error in cluster dispatch: " << e.what()); + onError(); + } +} + +}} // namespace qpid::cluster Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp ------------------------------------------------------------------------------ svn:eol-style = native Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.cpp ------------------------------------------------------------------------------ svn:keywords = Rev Date Added: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h?rev=735150&view=auto ============================================================================== --- qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h (added) +++ qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h Fri Jan 16 13:34:01 2009 @@ -0,0 +1,53 @@ +#ifndef QPID_CLUSTER_THREADDISPATCH_H +#define QPID_CLUSTER_THREADDISPATCH_H + +/* + * + * 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 "Cpg.h" +#include "qpid/sys/Thread.h" +#include "qpid/sys/Runnable.h" +#include "qpid/sys/Poller.h" +#include <boost/function.hpp> + +namespace qpid { +namespace cluster { + +/** + * Dispatch CPG events in a dedicated thread. + */ +class ThreadDispatch : private sys::Runnable { + public: + ThreadDispatch(Cpg&, boost::shared_ptr<sys::Poller>, boost::function<void()> onError) ; + ~ThreadDispatch(); + + void start(); + + private: + + Cpg& cpg; + sys::Thread thread; + boost::function<void()> onError; + void run(); +}; +}} // namespace qpid::cluster + +#endif /*!QPID_CLUSTER_THREADDISPATCH_H*/ Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h ------------------------------------------------------------------------------ svn:eol-style = native Propchange: qpid/trunk/qpid/cpp/src/qpid/cluster/ThreadDispatch.h ------------------------------------------------------------------------------ svn:keywords = Rev Date