1 files changed, 132 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/client/Demux.cpp b/qpid/cpp/src/qpid/client/Demux.cpp
new file mode 100644
index 0000000000..abc23c75df
--- /dev/null
+++ b/qpid/cpp/src/qpid/client/Demux.cpp
@@ -0,0 +1,132 @@
+/*
+ *
+ * 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/client/Demux.h"
+#include "qpid/Exception.h"
+#include "qpid/framing/MessageTransferBody.h"
+
+#include <iostream>
+
+namespace qpid {
+namespace client {
+
+ByTransferDest::ByTransferDest(const std::string& d) : dest(d) {}
+bool ByTransferDest::operator()(const framing::FrameSet& frameset) const
+{
+    return frameset.isA<framing::MessageTransferBody>() &&
+        frameset.as<framing::MessageTransferBody>()->getDestination() == dest;
+}
+
+ScopedDivert::ScopedDivert(const std::string& _dest, Demux& _demuxer) : dest(_dest), demuxer(_demuxer) 
+{
+    queue = demuxer.add(dest, ByTransferDest(dest));
+}
+
+ScopedDivert::~ScopedDivert() 
+{ 
+    demuxer.remove(dest); 
+}
+
+Demux::Demux() : defaultQueue(new Queue()) {}
+
+Demux::~Demux() { close(sys::ExceptionHolder(new ClosedException())); }
+
+Demux::QueuePtr ScopedDivert::getQueue()
+{
+    return queue;
+}
+
+void Demux::handle(framing::FrameSet::shared_ptr frameset)
+{
+    sys::Mutex::ScopedLock l(lock);
+    bool matched = false;
+    for (iterator i = records.begin(); i != records.end() && !matched; i++) {
+        if (i->condition && i->condition(*frameset)) {
+            matched = true;
+            i->queue->push(frameset);
+        }
+    }
+    if (!matched) {
+        defaultQueue->push(frameset);
+    }
+}
+
+void Demux::close(const sys::ExceptionHolder& ex)
+{
+    sys::Mutex::ScopedLock l(lock);
+    for (iterator i = records.begin(); i != records.end(); i++) {
+        i->queue->close(ex);
+    }
+    defaultQueue->close(ex);
+}
+
+void Demux::open()
+{
+    sys::Mutex::ScopedLock l(lock);
+    for (iterator i = records.begin(); i != records.end(); i++) {
+        i->queue->open();
+    }
+    defaultQueue->open();
+}
+
+Demux::QueuePtr Demux::add(const std::string& name, Condition condition)
+{
+    sys::Mutex::ScopedLock l(lock);
+    iterator i = std::find_if(records.begin(), records.end(), Find(name));
+    if (i == records.end()) {        
+        Record r(name, condition);
+        records.push_back(r);
+        return r.queue;
+    } else {
+        throw Exception("Queue already exists for " + name);
+    }
+}
+
+void Demux::remove(const std::string& name)
+{
+    sys::Mutex::ScopedLock l(lock);
+    records.remove_if(Find(name));
+}
+
+Demux::QueuePtr Demux::get(const std::string& name)
+{
+    sys::Mutex::ScopedLock l(lock);
+    iterator i = std::find_if(records.begin(), records.end(), Find(name));
+    if (i == records.end()) {
+        throw Exception("No queue for " + name);
+    }
+    return i->queue;
+}
+
+Demux::QueuePtr Demux::getDefault()
+{
+    return defaultQueue;
+}
+
+Demux::Find::Find(const std::string& n) : name(n) {}
+
+bool Demux::Find::operator()(const Record& record) const
+{
+    return record.name == name;
+}
+
+}}
+