Refactored cluster to intercept at ConnectionCode, using sys:: interfaces rather than boost functions.

Use framing::Operations and Invoker to dispatch cluster methods.


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@690358 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 77 insertions, 0 deletions

diff --git a/cpp/src/qpid/cluster/ConnectionCodec.h b/cpp/src/qpid/cluster/ConnectionCodec.h
new file mode 100644
index 0000000000..cbc3dcdfe6
--- /dev/null
+++ b/cpp/src/qpid/cluster/ConnectionCodec.h
@@ -0,0 +1,77 @@
+#ifndef QPID_CLUSTER_CONNCTIONCODEC_H
+#define QPID_CLUSTER_CONNCTIONCODEC_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/amqp_0_10/Connection.h"
+#include "qpid/cluster/Connection.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/intrusive_ptr.hpp>
+
+namespace qpid {
+
+namespace broker {
+class Connection;
+}
+
+namespace cluster {
+class Cluster;
+
+/**
+ * Encapsulates the standard amqp_0_10::ConnectionCodec and sets up
+ * a cluster::Connection for the connection.
+ *
+ * The ConnectionCodec is deleted by the network layer when the
+ * connection closes. The cluster::Connection needs to be kept
+ * around until all cluster business on the connection is complete.
+ *
+ */
+class ConnectionCodec : public sys::ConnectionCodec {
+  public:
+    struct Factory : public sys::ConnectionCodec::Factory {
+        boost::shared_ptr<sys::ConnectionCodec::Factory> next;
+        Cluster& cluster;
+        Factory(boost::shared_ptr<sys::ConnectionCodec::Factory> f, Cluster& c) : next(f), cluster(c) {}
+        sys::ConnectionCodec* create(framing::ProtocolVersion, sys::OutputControl&, const std::string& id);
+        sys::ConnectionCodec* create(sys::OutputControl&, const std::string& id);
+    };
+
+    ConnectionCodec(sys::OutputControl& out, const std::string& id, Cluster& c);
+    ~ConnectionCodec();
+
+    // ConnectionCodec functions delegate to the codecOutput
+    size_t decode(const char* buffer, size_t size);
+    size_t encode(const char* buffer, size_t size);
+    bool canEncode();
+    void closed();
+    bool isClosed() const;
+    framing::ProtocolVersion getVersion() const;
+    
+
+  private:
+    amqp_0_10::Connection codec;
+    boost::intrusive_ptr<cluster::Connection> interceptor;
+};
+
+}} // namespace qpid::cluster
+
+#endif  /*!QPID_CLUSTER_CONNCTIONCODEC_H*/