| #ifndef QPID_CLUSTER_OUTPUTINTERCEPTOR_H |
| #define QPID_CLUSTER_OUTPUTINTERCEPTOR_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 "WriteEstimate.h" |
| #include "qpid/sys/ConnectionOutputHandler.h" |
| #include "qpid/broker/ConnectionFactory.h" |
| #include <boost/function.hpp> |
| |
| namespace qpid { |
| namespace framing { class AMQFrame; } |
| namespace cluster { |
| |
| class Connection; |
| |
| /** |
| * Interceptor for connection OutputHandler, manages outgoing message replication. |
| */ |
| class OutputInterceptor : public sys::ConnectionOutputHandler { |
| public: |
| OutputInterceptor(cluster::Connection& p, sys::ConnectionOutputHandler& h); |
| |
| // sys::ConnectionOutputHandler functions |
| void send(framing::AMQFrame& f); |
| void activateOutput(); |
| void giveReadCredit(int32_t); |
| void close(); |
| size_t getBuffered() const; |
| |
| // Delivery point for doOutput requests. |
| void deliverDoOutput(size_t requested); |
| // Intercept doOutput requests on Connection. |
| bool doOutput(); |
| |
| void setOutputHandler(sys::ConnectionOutputHandler& h); |
| |
| cluster::Connection& parent; |
| |
| private: |
| typedef sys::Mutex::ScopedLock Locker; |
| |
| void sendDoOutput(); |
| |
| mutable sys::Mutex lock; |
| sys::ConnectionOutputHandler* next; |
| size_t sent; |
| size_t lastDoOutput; |
| WriteEstimate writeEstimate; |
| bool moreOutput; |
| bool doingOutput; |
| }; |
| |
| }} // namespace qpid::cluster |
| |
| #endif /*!QPID_CLUSTER_OUTPUTINTERCEPTOR_H*/ |