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Diffstat (limited to 'cpp/src/qpid/apr/LFProcessor.h')
-rw-r--r-- | cpp/src/qpid/apr/LFProcessor.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/cpp/src/qpid/apr/LFProcessor.h b/cpp/src/qpid/apr/LFProcessor.h deleted file mode 100644 index 1d1162d034..0000000000 --- a/cpp/src/qpid/apr/LFProcessor.h +++ /dev/null @@ -1,121 +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. - * - */ -#ifndef _LFProcessor_ -#define _LFProcessor_ - -#include <apr_poll.h> -#include <iostream> -#include <vector> -#include <qpid/sys/Monitor.h> -#include <qpid/sys/Runnable.h> -#include <qpid/sys/Thread.h> - -namespace qpid { -namespace sys { - - class LFSessionContext; - - /** - * This class processes a poll set using the leaders-followers - * pattern for thread synchronization: the leader will poll and on - * the poll returning, it will remove a session, promote a - * follower to leadership, then process the session. - */ - class LFProcessor : private virtual qpid::sys::Runnable - { - typedef std::vector<LFSessionContext*>::iterator iterator; - - const int size; - const apr_interval_time_t timeout; - apr_pollset_t* pollset; - int signalledCount; - int current; - const apr_pollfd_t* signalledFDs; - int count; - const int workerCount; - bool hasLeader; - qpid::sys::Thread* workers; - qpid::sys::Monitor leadLock; - qpid::sys::Mutex countLock; - std::vector<LFSessionContext*> sessions; - volatile bool stopped; - - const apr_pollfd_t* getNextEvent(); - void waitToLead(); - void relinquishLead(); - void poll(); - virtual void run(); - - public: - LFProcessor(apr_pool_t* pool, int workers, int size, int timeout); - /** - * Add the fd to the poll set. Relies on the client_data being - * an instance of LFSessionContext. - */ - void add(const apr_pollfd_t* const fd); - /** - * Remove the fd from the poll set. - */ - void remove(const apr_pollfd_t* const fd); - /** - * Signal that the fd passed in, already part of the pollset, - * has had its flags altered. - */ - void update(const apr_pollfd_t* const fd); - /** - * Add an fd back to the poll set after deactivation. - */ - void reactivate(const apr_pollfd_t* const fd); - /** - * Temporarily remove the fd from the poll set. Called when processing - * is about to begin. - */ - void deactivate(const apr_pollfd_t* const fd); - /** - * Indicates whether the capacity of this processor has been - * reached (or whether it can still handle further fd's). - */ - bool full(); - /** - * Indicates whether there are any fd's registered. - */ - bool empty(); - /** - * Stop processing. - */ - void stop(); - /** - * Start processing. - */ - void start(); - /** - * Is processing stopped? - */ - bool isStopped(); - - ~LFProcessor(); - }; - -} -} - - -#endif |