Support for 0-10 sessions, not yet integrated. Misc minor fixes.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@654913 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 116 insertions, 0 deletions

diff --git a/cpp/src/qpid/amqp_0_10/SessionHandler.h b/cpp/src/qpid/amqp_0_10/SessionHandler.h
new file mode 100644
index 0000000000..85577ebafc
--- /dev/null
+++ b/cpp/src/qpid/amqp_0_10/SessionHandler.h
@@ -0,0 +1,116 @@
+#ifndef QPID_AMQP_0_10_SESSIONHANDLER_H
+#define QPID_AMQP_0_10_SESSIONHANDLER_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/framing/ChannelHandler.h"
+#include "qpid/framing/AMQP_AllProxy.h"
+#include "qpid/framing/AMQP_AllOperations.h"
+
+namespace qpid {
+
+class SessionState;
+
+namespace amqp_0_10 {
+
+/**
+ * Base SessionHandler with logic common to both client and broker.
+ * 
+ * A SessionHandler is associated with a channel and can be attached
+ * to a session state.
+ */
+
+class SessionHandler : public framing::AMQP_AllOperations::SessionHandler,
+                       public framing::FrameHandler::InOutHandler
+{
+  public:
+    typedef framing::AMQP_AllProxy::Session Peer;
+
+    SessionHandler();
+    SessionHandler(framing::FrameHandler& out, uint16_t channel);
+    ~SessionHandler();
+
+    void setChannel(uint16_t ch) { channel = ch; }
+    uint16_t getChannel() const { return channel.get(); }
+
+    void setOutHandler(framing::FrameHandler& h) { channel.next = &h; }
+
+    virtual SessionState* getState() = 0;
+    virtual framing::FrameHandler* getInHandler() = 0;
+
+    // Non-protocol methods, called locally to initiate some action.
+    void sendDetach();
+    void sendCompletion();
+    void sendAttach(bool force);
+    void sendTimeout(uint32_t t);
+    void sendFlush();
+    void sendCommandPoint();
+
+    /** True if the handler is ready to send and receive */
+    bool ready() const;
+
+    // Protocol methods
+    void attach(const std::string& name, bool force);
+    void attached(const std::string& name);
+    void detach(const std::string& name);
+    void detached(const std::string& name, uint8_t code);
+
+    void requestTimeout(uint32_t t);
+    void timeout(uint32_t t);
+
+    void commandPoint(const framing::SequenceNumber& id, uint64_t offset);
+    void expected(const framing::SequenceSet& commands, const framing::Array& fragments);
+    void confirmed(const framing::SequenceSet& commands,const framing::Array& fragments);
+    void completed(const framing::SequenceSet& commands, bool timelyReply);
+    void knownCompleted(const framing::SequenceSet& commands);
+    void flush(bool expected, bool confirmed, bool completed);
+    void gap(const framing::SequenceSet& commands);    
+
+  protected:
+    virtual void invoke(const framing::AMQMethodBody& m);
+
+    virtual void setState(const std::string& sessionName, bool force) = 0;
+    virtual void channelException(uint16_t code, const std::string& msg) = 0;
+    virtual void connectionException(uint16_t code, const std::string& msg) = 0;
+
+
+    // Notification of events
+    virtual void readyToSend() {}
+    virtual void readyToReceive() {}
+    virtual void handleDetach();
+    
+    virtual void handleIn(framing::AMQFrame&);
+    virtual void handleOut(framing::AMQFrame&);
+
+    void checkAttached();
+    void checkName(const std::string& name);
+
+    framing::ChannelHandler channel;
+    Peer peer;
+    bool ignoring;
+    bool sendReady, receiveReady;
+    // FIXME aconway 2008-05-07: move handler-related functions from SessionState.
+
+};
+}} // namespace qpid::amqp_0_10
+
+#endif  /*!QPID_AMQP_0_10_SESSIONHANDLER_H*/