diff options
Diffstat (limited to 'cpp/src/qpid')
-rw-r--r-- | cpp/src/qpid/cluster/ClassifierHandler.cpp | 73 | ||||
-rw-r--r-- | cpp/src/qpid/cluster/ClassifierHandler.h | 48 |
2 files changed, 121 insertions, 0 deletions
diff --git a/cpp/src/qpid/cluster/ClassifierHandler.cpp b/cpp/src/qpid/cluster/ClassifierHandler.cpp new file mode 100644 index 0000000000..0d0465c89e --- /dev/null +++ b/cpp/src/qpid/cluster/ClassifierHandler.cpp @@ -0,0 +1,73 @@ +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * Licensed 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 "ClassifierHandler.h" + +#include "qpid/framing/AMQFrame.h" +#include "qpid/framing/ExchangeDeclareBody.h" +#include "qpid/framing/ExchangeDeleteBody.h" +#include "qpid/framing/QueueBindBody.h" +#include "qpid/framing/QueueDeclareBody.h" +#include "qpid/framing/QueueDeleteBody.h" +#include "qpid/framing/QueueUnbindBody.h" + + +namespace qpid { +namespace cluster { + +using namespace framing; + +typedef uint32_t FullMethodId; // Combind class & method ID. + +FullMethodId fullId(ClassId c, MethodId m) { return c<<16+m; } + +FullMethodId fullId(const shared_ptr<AMQMethodBody>& body) { + return fullId(body->amqpClassId(), body->amqpMethodId()); +} + +template <class M> +FullMethodId fullId() { return fullId(M::CLASS_ID, M::METHOD_ID); } + + +ClassifierHandler::ClassifierHandler(Chain wiring, Chain other) + : FrameHandler(other) +{ + map[fullId<ExchangeDeclareBody>()] = wiring; + map[fullId<ExchangeDeleteBody>()] = wiring; + map[fullId<QueueBindBody>()] = wiring; + map[fullId<QueueDeclareBody>()] = wiring; + map[fullId<QueueDeleteBody>()] = wiring; + map[fullId<QueueUnbindBody>()] = wiring; +} + +void ClassifierHandler::handle(AMQFrame& frame) { + // TODO aconway 2007-07-03: Flatten the frame hierarchy so we + // can do a single lookup to dispatch a frame. + Chain chosen; + shared_ptr<AMQMethodBody> method = + dynamic_pointer_cast<AMQMethodBody>(frame.getBody()); + if (method) + chosen=map[fullId(method)]; + if (chosen) + chosen->handle(frame); + else + next->handle(frame); +} + + +}} // namespace qpid::cluster diff --git a/cpp/src/qpid/cluster/ClassifierHandler.h b/cpp/src/qpid/cluster/ClassifierHandler.h new file mode 100644 index 0000000000..8c2f4ef85f --- /dev/null +++ b/cpp/src/qpid/cluster/ClassifierHandler.h @@ -0,0 +1,48 @@ +#ifndef QPID_CLUSTER_CLASSIFIERHANDLER_H +#define QPID_CLUSTER_CLASSIFIERHANDLER_H + +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * Licensed 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/framing/FrameHandler.h" +#include "qpid/framing/amqp_types.h" + +#include <map> + +namespace qpid { +namespace cluster { + +/** + * Classify frames and forward to the appropriate handler. + */ +class ClassifierHandler : public framing::FrameHandler +{ + public: + ClassifierHandler(Chain wiring, Chain other); + + void handle(framing::AMQFrame& frame); + + private: + std::map<uint32_t, framing::FrameHandler::Chain> map; +}; + +}} // namespace qpid::cluster + + + +#endif /*!QPID_CLUSTER_CLASSIFIERHANDLER_H*/ |