summaryrefslogtreecommitdiff
path: root/Final/cpp/lib/common/sys/posix/EventChannelConnection.h
diff options
context:
space:
mode:
authorRajith Muditha Attapattu <rajith@apache.org>2007-11-20 14:01:22 +0000
committerRajith Muditha Attapattu <rajith@apache.org>2007-11-20 14:01:22 +0000
commite162ae8c89bfc29293ed84d552dbb373dd1c06f3 (patch)
tree4d0737f7a4324dfd93c4b519cce1e6998e46cf77 /Final/cpp/lib/common/sys/posix/EventChannelConnection.h
parentbcd011a10c0db4ffc6f78380c548d673e270e000 (diff)
downloadqpid-python-e162ae8c89bfc29293ed84d552dbb373dd1c06f3.tar.gz
Creating tag for M2 final release
git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/tags/M2@596674 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'Final/cpp/lib/common/sys/posix/EventChannelConnection.h')
-rw-r--r--Final/cpp/lib/common/sys/posix/EventChannelConnection.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/Final/cpp/lib/common/sys/posix/EventChannelConnection.h b/Final/cpp/lib/common/sys/posix/EventChannelConnection.h
new file mode 100644
index 0000000000..da190b0213
--- /dev/null
+++ b/Final/cpp/lib/common/sys/posix/EventChannelConnection.h
@@ -0,0 +1,105 @@
+#ifndef _posix_EventChannelConnection_h
+#define _posix_EventChannelConnection_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 <boost/ptr_container/ptr_deque.hpp>
+
+#include "EventChannelThreads.h"
+#include "sys/Monitor.h"
+#include "sys/SessionContext.h"
+#include "sys/SessionHandler.h"
+#include "sys/AtomicCount.h"
+#include "framing/AMQFrame.h"
+
+namespace qpid {
+namespace sys {
+
+class SessionHandlerFactory;
+
+/**
+ * Implements SessionContext and delegates to a SessionHandler
+ * for a connection via the EventChannel.
+ *@param readDescriptor file descriptor for reading.
+ *@param writeDescriptor file descriptor for writing,
+ * by default same as readDescriptor
+ */
+class EventChannelConnection : public SessionContext {
+ public:
+ EventChannelConnection(
+ EventChannelThreads::shared_ptr threads,
+ SessionHandlerFactory& factory,
+ int readDescriptor,
+ int writeDescriptor = 0,
+ bool isTrace = false
+ );
+
+ // TODO aconway 2006-11-30: SessionContext::send should take auto_ptr
+ virtual void send(qpid::framing::AMQFrame* frame) {
+ send(std::auto_ptr<qpid::framing::AMQFrame>(frame));
+ }
+
+ virtual void send(std::auto_ptr<qpid::framing::AMQFrame> frame);
+
+ virtual void close();
+
+ private:
+ typedef boost::ptr_deque<qpid::framing::AMQFrame> FrameQueue;
+ typedef void (EventChannelConnection::*MemberFnPtr)();
+ struct ScopedBusy;
+
+ void startWrite();
+ void endWrite();
+ void startRead();
+ void endInitRead();
+ void endRead();
+ void closeNoThrow();
+ void closeOnException(MemberFnPtr);
+ bool shouldContinue(bool& flag);
+
+ static const size_t bufferSize;
+
+ Monitor monitor;
+
+ int readFd, writeFd;
+ ReadEvent readEvent;
+ WriteEvent writeEvent;
+ Event::Callback readCallback;
+ bool isWriting;
+ bool isClosed;
+ AtomicCount busyThreads;
+
+ EventChannelThreads::shared_ptr threads;
+ std::auto_ptr<SessionHandler> handler;
+ qpid::framing::Buffer in, out;
+ FrameQueue writeFrames;
+ bool isTrace;
+
+ friend struct ScopedBusy;
+};
+
+
+}} // namespace qpid::sys
+
+
+
+#endif /*!_posix_EventChannelConnection_h*/