From 5b7a0ca8896f20c85f176cd178735554833bcefc Mon Sep 17 00:00:00 2001
From: Rajith Muditha Attapattu <rajith@apache.org>
Date: Mon, 19 Nov 2007 16:55:10 +0000
Subject: Creating the tag for final release

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/tags/M2@596364 13f79535-47bb-0310-9956-ffa450edef68
---
 .../lib/common/sys/posix/EventChannelConnection.h  | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 Final/cpp/lib/common/sys/posix/EventChannelConnection.h

(limited to 'Final/cpp/lib/common/sys/posix/EventChannelConnection.h')

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*/
-- 
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