summaryrefslogtreecommitdiff
path: root/cpp/src/qpid/sys/Poller.h
diff options
context:
space:
mode:
Diffstat (limited to 'cpp/src/qpid/sys/Poller.h')
-rw-r--r--cpp/src/qpid/sys/Poller.h135
1 files changed, 0 insertions, 135 deletions
diff --git a/cpp/src/qpid/sys/Poller.h b/cpp/src/qpid/sys/Poller.h
deleted file mode 100644
index 01ee139ee6..0000000000
--- a/cpp/src/qpid/sys/Poller.h
+++ /dev/null
@@ -1,135 +0,0 @@
-#ifndef _sys_Poller_h
-#define _sys_Poller_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 "qpid/sys/Time.h"
-#include "qpid/sys/Runnable.h"
-#include "qpid/CommonImportExport.h"
-#include <boost/shared_ptr.hpp>
-
-namespace qpid {
-namespace sys {
-
-/**
- * Poller is an abstract base class that registers callbacks to be
- * called when there is IO activity. Concrete derived classes
- * implement polling APIs such as epoll or equivalents on other
- * operating systems.
- *
- * On the broker, Connection::received() is called with incoming
- * frames from clients, and Connection::doOutput() is called when a
- * connection is writeable.
- *
- * @see DispatchHandler for more details of normal use.
- */
-class PollerHandle;
-class PollerPrivate;
-class Poller : public Runnable {
- PollerPrivate* const impl;
-
-public:
- typedef boost::shared_ptr<Poller> shared_ptr;
-
- enum Direction {
- NONE = 0,
- INPUT,
- OUTPUT,
- INOUT
- };
-
- enum EventType {
- INVALID = 0,
- READABLE,
- WRITABLE,
- READ_WRITABLE,
- DISCONNECTED,
- SHUTDOWN,
- TIMEOUT,
- INTERRUPTED
- };
-
- struct Event {
- PollerHandle* handle;
- EventType type;
-
- Event(PollerHandle* handle0, EventType type0) :
- handle(handle0),
- type(type0) {
- }
-
- void process();
- };
-
- QPID_COMMON_EXTERN Poller();
- QPID_COMMON_EXTERN ~Poller();
- /** Note: this function is async-signal safe */
- QPID_COMMON_EXTERN void shutdown();
-
- // Interrupt waiting for a specific poller handle
- // returns true if we could interrupt the handle
- // - in this case on return the handle is no longer being monitored,
- // but we will receive an event from some invocation of poller::wait
- // with the handle and the INTERRUPTED event type
- // if it returns false then the handle is not being monitored by the poller
- // - This can either be because it has just received an event which has been
- // reported and has not been reenabled since.
- // - Because it was removed from the monitoring set
- // - Or because it is already being interrupted
- QPID_COMMON_EXTERN bool interrupt(PollerHandle& handle);
-
- // Poller run loop
- QPID_COMMON_EXTERN void run();
-
- QPID_COMMON_EXTERN void registerHandle(PollerHandle& handle);
- QPID_COMMON_EXTERN void unregisterHandle(PollerHandle& handle);
- QPID_COMMON_EXTERN void monitorHandle(PollerHandle& handle, Direction dir);
- QPID_COMMON_EXTERN void unmonitorHandle(PollerHandle& handle, Direction dir);
- QPID_COMMON_EXTERN Event wait(Duration timeout = TIME_INFINITE);
-
- QPID_COMMON_EXTERN bool hasShutdown();
-};
-
-/**
- * Handle class to use for polling
- */
-class IOHandle;
-class PollerHandlePrivate;
-class PollerHandle {
- friend class Poller;
- friend class PollerPrivate;
- friend struct Poller::Event;
-
- PollerHandlePrivate* const impl;
- QPID_COMMON_INLINE_EXTERN virtual void processEvent(Poller::EventType) {};
-
-public:
- QPID_COMMON_EXTERN PollerHandle(const IOHandle& h);
- QPID_COMMON_EXTERN virtual ~PollerHandle();
-};
-
-inline void Poller::Event::process() {
- handle->processEvent(type);
-}
-
-}}
-#endif // _sys_Poller_h