1 files changed, 102 insertions, 0 deletions
diff --git a/cpp/src/sys/posix/EventChannelConnection.h b/cpp/src/sys/posix/EventChannelConnection.h
new file mode 100644
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+++ b/cpp/src/sys/posix/EventChannelConnection.h
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+#ifndef _posix_EventChannelConnection_h
+#define _posix_EventChannelConnection_h
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <boost/ptr_container/ptr_deque.hpp>
+
+#include "EventChannelThreads.h"
+#include "../Monitor.h"
+#include "../ConnectionOutputHandler.h"
+#include "../ConnectionInputHandler.h"
+#include "../AtomicCount.h"
+#include "../../framing/AMQFrame.h"
+
+namespace qpid {
+namespace sys {
+
+class ConnectionInputHandlerFactory;
+
+/**
+ * Implements ConnectionOutputHandler and delegates to a ConnectionInputHandler
+ * 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 ConnectionOutputHandler {
+  public:
+    EventChannelConnection(
+        EventChannelThreads::shared_ptr threads, 
+        ConnectionInputHandlerFactory& factory,
+        int readDescriptor, 
+        int writeDescriptor = 0,
+        bool isTrace = false
+    );
+
+    // TODO aconway 2006-11-30: ConnectionOutputHandler::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<ConnectionInputHandler> handler;
+    qpid::framing::Buffer in, out;
+    FrameQueue writeFrames;
+    bool isTrace;
+    
+  friend struct ScopedBusy;
+};
+    
+
+}} // namespace qpid::sys
+
+
+
+#endif  /*!_posix_EventChannelConnection_h*/