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Diffstat (limited to 'cpp/src/qpid/io/LFProcessor.h')
| -rw-r--r-- | cpp/src/qpid/io/LFProcessor.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/cpp/src/qpid/io/LFProcessor.h b/cpp/src/qpid/io/LFProcessor.h deleted file mode 100644 index 5b61f444af..0000000000 --- a/cpp/src/qpid/io/LFProcessor.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * - * 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. - * - */ -#ifndef _LFProcessor_ -#define _LFProcessor_ - -#include "apr-1/apr_poll.h" -#include <iostream> -#include <vector> -#include "qpid/concurrent/Monitor.h" -#include "qpid/concurrent/ThreadFactory.h" -#include "qpid/concurrent/Runnable.h" - -namespace qpid { -namespace io { - - 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::concurrent::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::concurrent::Thread** const workers; - qpid::concurrent::Monitor leadLock; - qpid::concurrent::Monitor countLock; - qpid::concurrent::ThreadFactory factory; - 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 |
