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#ifndef _sys_Dispatcher_h
#define _sys_Dispatcher_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 "Poller.h"
#include "Runnable.h"
#include "Mutex.h"
#include <memory>
#include <queue>
#include <boost/function.hpp>
#include <assert.h>
namespace qpid {
namespace sys {
class Dispatcher;
class DispatchHandle : public PollerHandle {
friend class Dispatcher;
public:
typedef boost::function1<void, DispatchHandle&> Callback;
private:
Callback readableCallback;
Callback writableCallback;
Callback disconnectedCallback;
Poller::shared_ptr poller;
Mutex stateLock;
enum {
IDLE, INACTIVE, ACTIVE_R, ACTIVE_W, ACTIVE_RW,
DELAYED_IDLE, DELAYED_INACTIVE, DELAYED_R, DELAYED_W, DELAYED_RW,
DELAYED_DELETE
} state;
public:
DispatchHandle(const Socket& s, Callback rCb, Callback wCb, Callback dCb) :
PollerHandle(s),
readableCallback(rCb),
writableCallback(wCb),
disconnectedCallback(dCb),
state(IDLE)
{}
~DispatchHandle();
void startWatch(Poller::shared_ptr poller);
void rewatch();
void rewatchRead();
void rewatchWrite();
void unwatch();
void unwatchRead();
void unwatchWrite();
void stopWatch();
protected:
void doDelete();
private:
void dispatchCallbacks(Poller::EventType dir);
};
class Dispatcher : public Runnable {
const Poller::shared_ptr poller;
public:
Dispatcher(Poller::shared_ptr poller);
~Dispatcher();
void run();
};
}}
#endif // _sys_Dispatcher_h
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